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OneOfEleven
2023-09-09 08:03:56 +01:00
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external/CMSIS_5/CMSIS/RTOS/CMSIS_RTOS_Tutorial.pdf vendored Normal file
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external/CMSIS_5/CMSIS/RTOS/RTX/INC/RTX_CM_lib.h vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RTX_CM_LIB.H
* Purpose: RTX Kernel System Configuration
* Rev.: V4.82
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2019 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#if defined (__CC_ARM)
#pragma O3
#define __USED __attribute__((used))
#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
#define __USED __attribute__((used))
#elif defined (__GNUC__)
#pragma GCC optimize ("O3")
#define __USED __attribute__((used))
#elif defined (__ICCARM__)
#define __USED __root
#endif
/*----------------------------------------------------------------------------
* Definitions
*---------------------------------------------------------------------------*/
#define _declare_box(pool,size,cnt) uint32_t pool[(((size)+3)/4)*(cnt) + 3]
#define _declare_box8(pool,size,cnt) uint64_t pool[(((size)+7)/8)*(cnt) + 2]
#define OS_TCB_SIZE 52
#define OS_TMR_SIZE 8
#if (( defined(__CC_ARM) || \
(defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))) && \
!defined(__MICROLIB))
typedef void *OS_ID;
typedef uint32_t OS_TID;
typedef uint32_t OS_MUT[4];
typedef uint32_t OS_RESULT;
#define runtask_id() rt_tsk_self()
#define mutex_init(m) rt_mut_init(m)
#define mutex_wait(m) os_mut_wait(m,0xFFFFU)
#define mutex_rel(m) os_mut_release(m)
extern uint8_t os_running;
extern OS_TID rt_tsk_self (void);
extern void rt_mut_init (OS_ID mutex);
extern OS_RESULT rt_mut_release (OS_ID mutex);
extern OS_RESULT rt_mut_wait (OS_ID mutex, uint16_t timeout);
#if defined(__CC_ARM)
#define os_mut_wait(mutex,timeout) _os_mut_wait((uint32_t)rt_mut_wait,mutex,timeout)
#define os_mut_release(mutex) _os_mut_release((uint32_t)rt_mut_release,mutex)
OS_RESULT _os_mut_release (uint32_t p, OS_ID mutex) __svc_indirect(0);
OS_RESULT _os_mut_wait (uint32_t p, OS_ID mutex, uint16_t timeout) __svc_indirect(0);
#else
__attribute__((always_inline))
static __inline OS_RESULT os_mut_release (OS_ID mutex) {
register uint32_t __rf __asm("r12") = (uint32_t)rt_mut_release;
register uint32_t __r0 __asm("r0") = (uint32_t)mutex;
__asm volatile \
( \
"svc 0" \
: "=r" (__r0) \
: "r" (__rf), "r" (__r0) \
: "r1", "r2" \
);
return (OS_RESULT)__r0;
}
__attribute__((always_inline))
static __inline OS_RESULT os_mut_wait (OS_ID mutex, uint16_t timeout) {
register uint32_t __rf __asm("r12") = (uint32_t)rt_mut_wait;
register uint32_t __r0 __asm("r0") = (uint32_t)mutex;
register uint32_t __r1 __asm("r1") = (uint32_t)timeout;
__asm volatile \
( \
"svc 0" \
: "=r" (__r0) \
: "r" (__rf), "r" (__r0), "r" (__r1) \
: "r2" \
);
return (OS_RESULT)__r0;
}
#endif
#endif
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
#if (OS_TASKCNT == 0)
#error "Invalid number of concurrent running threads!"
#endif
#if (OS_PRIVCNT >= OS_TASKCNT)
#error "Too many threads with user-provided stack size!"
#endif
#if (OS_TIMERS != 0)
#define OS_TASK_CNT (OS_TASKCNT + 1)
#define OS_PRIV_CNT (OS_PRIVCNT + 2)
#define OS_STACK_SZ (4*(OS_PRIVSTKSIZE+OS_MAINSTKSIZE+OS_TIMERSTKSZ))
#else
#define OS_TASK_CNT OS_TASKCNT
#define OS_PRIV_CNT (OS_PRIVCNT + 1)
#define OS_STACK_SZ (4*(OS_PRIVSTKSIZE+OS_MAINSTKSIZE))
#endif
#ifndef OS_STKINIT
#define OS_STKINIT 0
#endif
extern uint16_t const os_maxtaskrun;
extern uint32_t const os_stackinfo;
extern uint32_t const os_rrobin;
extern uint32_t const os_trv;
extern uint8_t const os_flags;
uint16_t const os_maxtaskrun = OS_TASK_CNT;
uint32_t const os_stackinfo = (OS_STKINIT<<28) | (OS_STKCHECK<<24) | (OS_PRIV_CNT<<16) | (OS_STKSIZE*4);
uint32_t const os_rrobin = (OS_ROBIN << 16) | OS_ROBINTOUT;
uint32_t const os_tickfreq = OS_CLOCK;
uint16_t const os_tickus_i = OS_CLOCK/1000000;
uint16_t const os_tickus_f = (((uint64_t)(OS_CLOCK-1000000*(OS_CLOCK/1000000)))<<16)/1000000;
uint32_t const os_trv = OS_TRV;
uint8_t const os_flags = OS_RUNPRIV;
/* Export following defines to uVision debugger. */
extern uint32_t const CMSIS_RTOS_API_Version;
__USED uint32_t const CMSIS_RTOS_API_Version = osCMSIS;
extern uint32_t const CMSIS_RTOS_RTX_Version;
__USED uint32_t const CMSIS_RTOS_RTX_Version = osCMSIS_RTX;
extern uint32_t const os_clockrate;
__USED uint32_t const os_clockrate = OS_TICK;
extern uint32_t const os_timernum;
__USED uint32_t const os_timernum = 0U;
/* Memory pool for TCB allocation */
extern
uint32_t mp_tcb[];
_declare_box (mp_tcb, OS_TCB_SIZE, OS_TASK_CNT);
extern
uint16_t const mp_tcb_size;
uint16_t const mp_tcb_size = sizeof(mp_tcb);
/* Memory pool for System stack allocation (+os_idle_demon). */
extern
uint64_t mp_stk[];
_declare_box8 (mp_stk, OS_STKSIZE*4, OS_TASK_CNT-OS_PRIV_CNT+1);
extern
uint32_t const mp_stk_size;
uint32_t const mp_stk_size = sizeof(mp_stk);
/* Memory pool for user specified stack allocation (+main, +timer) */
extern
uint64_t os_stack_mem[];
uint64_t os_stack_mem[2+OS_PRIV_CNT+(OS_STACK_SZ/8)];
extern
uint32_t const os_stack_sz;
uint32_t const os_stack_sz = sizeof(os_stack_mem);
#ifndef OS_FIFOSZ
#define OS_FIFOSZ 16
#endif
/* Fifo Queue buffer for ISR requests.*/
extern
uint32_t os_fifo[];
uint32_t os_fifo[OS_FIFOSZ*2+1];
extern
uint8_t const os_fifo_size;
uint8_t const os_fifo_size = OS_FIFOSZ;
/* An array of Active task pointers. */
extern
void *os_active_TCB[];
void *os_active_TCB[OS_TASK_CNT];
/* User Timers Resources */
#if (OS_TIMERS != 0)
extern void osTimerThread (void const *argument);
extern const osThreadDef_t os_thread_def_osTimerThread;
osThreadDef(osTimerThread, (osPriority)(OS_TIMERPRIO-3), 1, 4*OS_TIMERSTKSZ);
extern
osThreadId osThreadId_osTimerThread;
osThreadId osThreadId_osTimerThread;
extern uint32_t os_messageQ_q_osTimerMessageQ[];
extern const osMessageQDef_t os_messageQ_def_osTimerMessageQ;
osMessageQDef(osTimerMessageQ, OS_TIMERCBQS, void *);
extern
osMessageQId osMessageQId_osTimerMessageQ;
osMessageQId osMessageQId_osTimerMessageQ;
#else
extern
const osThreadDef_t os_thread_def_osTimerThread;
const osThreadDef_t os_thread_def_osTimerThread = { NULL, osPriorityNormal, 0U, 0U };
extern
osThreadId osThreadId_osTimerThread;
osThreadId osThreadId_osTimerThread;
extern uint32_t os_messageQ_q_osTimerMessageQ[];
extern const osMessageQDef_t os_messageQ_def_osTimerMessageQ;
osMessageQDef(osTimerMessageQ, 0U, void *);
extern
osMessageQId osMessageQId_osTimerMessageQ;
osMessageQId osMessageQId_osTimerMessageQ;
#endif
/* Legacy RTX User Timers not used */
extern
uint32_t os_tmr;
uint32_t os_tmr = 0U;
extern
uint32_t const *m_tmr;
uint32_t const *m_tmr = NULL;
extern
uint16_t const mp_tmr_size;
uint16_t const mp_tmr_size = 0U;
#if (( defined(__CC_ARM) || \
(defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))) && \
!defined(__MICROLIB))
/* A memory space for arm standard library. */
static uint32_t std_libspace[OS_TASK_CNT][96/4];
static OS_MUT std_libmutex[OS_MUTEXCNT];
static uint32_t nr_mutex;
extern void *__libspace_start;
#endif
/*----------------------------------------------------------------------------
* RTX Optimizations (empty functions)
*---------------------------------------------------------------------------*/
#if OS_ROBIN == 0
extern
void rt_init_robin (void);
void rt_init_robin (void) {;}
extern
void rt_chk_robin (void);
void rt_chk_robin (void) {;}
#endif
#if OS_STKCHECK == 0
extern
void rt_stk_check (void);
void rt_stk_check (void) {;}
#endif
/*----------------------------------------------------------------------------
* Standard Library multithreading interface
*---------------------------------------------------------------------------*/
#if (( defined(__CC_ARM) || \
(defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))) && \
!defined(__MICROLIB))
/*--------------------------- __user_perthread_libspace ---------------------*/
void *__user_perthread_libspace (void);
void *__user_perthread_libspace (void) {
/* Provide a separate libspace for each task. */
uint32_t idx;
idx = (os_running != 0U) ? runtask_id () : 0U;
if (idx == 0U) {
/* RTX not running yet. */
return (&__libspace_start);
}
return ((void *)&std_libspace[idx-1]);
}
/*--------------------------- _mutex_initialize -----------------------------*/
int _mutex_initialize (OS_ID *mutex);
int _mutex_initialize (OS_ID *mutex) {
/* Allocate and initialize a system mutex. */
if (nr_mutex >= OS_MUTEXCNT) {
/* If you are here, you need to increase the number OS_MUTEXCNT. */
for (;;);
}
*mutex = &std_libmutex[nr_mutex++];
mutex_init (*mutex);
return (1);
}
/*--------------------------- _mutex_acquire --------------------------------*/
__attribute__((used))
void _mutex_acquire (OS_ID *mutex);
void _mutex_acquire (OS_ID *mutex) {
/* Acquire a system mutex, lock stdlib resources. */
if (os_running) {
/* RTX running, acquire a mutex. */
mutex_wait (*mutex);
}
}
/*--------------------------- _mutex_release --------------------------------*/
__attribute__((used))
void _mutex_release (OS_ID *mutex);
void _mutex_release (OS_ID *mutex) {
/* Release a system mutex, unlock stdlib resources. */
if (os_running) {
/* RTX running, release a mutex. */
mutex_rel (*mutex);
}
}
#endif
/*----------------------------------------------------------------------------
* ARMCC6 Wrappers for ARMCC5 Binary
*---------------------------------------------------------------------------*/
#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
typedef uint32_t __attribute__((vector_size(8))) vect64_t;
#undef osSignalWait
__attribute__((pcs("aapcs")))
vect64_t osSignalWait (int32_t signals, uint32_t millisec);
osEvent __osSignalWait (int32_t signals, uint32_t millisec) {
vect64_t v;
osEvent e;
v = osSignalWait(signals, millisec);
e.status = v[0];
e.value.v = v[1];
return e;
}
#undef osMessageGet
__attribute__((pcs("aapcs")))
vect64_t osMessageGet (osMessageQId queue_id, uint32_t millisec);
osEvent __osMessageGet (osMessageQId queue_id, uint32_t millisec) {
vect64_t v;
osEvent e;
v = osMessageGet(queue_id, millisec);
e.status = v[0];
e.value.v = v[1];
return e;
}
#undef osMailGet
__attribute__((pcs("aapcs")))
vect64_t osMailGet (osMailQId queue_id, uint32_t millisec);
osEvent __osMailGet (osMailQId queue_id, uint32_t millisec) {
vect64_t v;
osEvent e;
v = osMailGet(queue_id, millisec);
e.status = v[0];
e.value.v = v[1];
return e;
}
#endif
/*----------------------------------------------------------------------------
* RTX Startup
*---------------------------------------------------------------------------*/
/* Main Thread definition */
extern int main (void);
extern
const osThreadDef_t os_thread_def_main;
const osThreadDef_t os_thread_def_main = {(os_pthread)main, osPriorityNormal, 1U, 4*OS_MAINSTKSIZE };
#if defined (__CC_ARM)
#ifdef __MICROLIB
__attribute__((section(".ARM.Collect$$$$000000FF")))
void _main_init (void);
void _main_init (void) {
osKernelInitialize();
osThreadCreate(&os_thread_def_main, NULL);
osKernelStart();
for (;;);
}
#else
__asm void _platform_post_lib_init (void) {
IMPORT os_thread_def_main
IMPORT osKernelInitialize
IMPORT osKernelStart
IMPORT osThreadCreate
IMPORT exit
ADD SP,#0x10
BL osKernelInitialize
LDR R0,=os_thread_def_main
MOVS R1,#0
BL osThreadCreate
BL osKernelStart
BL exit
ALIGN
}
#endif
#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
#ifdef __MICROLIB
__attribute__((noreturn, section(".ARM.Collect$$$$000000FF")))
void _main_init (void);
void _main_init (void) {
#else
__asm(" .global __ARM_use_no_argv\n");
__attribute__((noreturn))
void _platform_post_lib_init (void);
void _platform_post_lib_init (void) {
#endif
osKernelInitialize();
osThreadCreate(&os_thread_def_main, NULL);
osKernelStart();
for (;;);
}
#elif defined (__GNUC__)
#ifdef __CS3__
/* CS3 start_c routine.
*
* Copyright (c) 2006, 2007 CodeSourcery Inc
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include "cs3.h"
extern void __libc_init_array (void);
__attribute ((noreturn)) void __cs3_start_c (void){
unsigned regions = __cs3_region_num;
const struct __cs3_region *rptr = __cs3_regions;
/* Initialize memory */
for (regions = __cs3_region_num, rptr = __cs3_regions; regions--; rptr++) {
long long *src = (long long *)rptr->init;
long long *dst = (long long *)rptr->data;
unsigned limit = rptr->init_size;
unsigned count;
if (src != dst)
for (count = 0; count != limit; count += sizeof (long long))
*dst++ = *src++;
else
dst = (long long *)((char *)dst + limit);
limit = rptr->zero_size;
for (count = 0; count != limit; count += sizeof (long long))
*dst++ = 0;
}
/* Run initializers. */
__libc_init_array ();
osKernelInitialize();
osThreadCreate(&os_thread_def_main, NULL);
osKernelStart();
for (;;);
}
#else
__attribute__((naked)) void software_init_hook (void) {
__asm (
".syntax unified\n"
".thumb\n"
"movs r0,#0\n"
"movs r1,#0\n"
"mov r4,r0\n"
"mov r5,r1\n"
"ldr r0,= __libc_fini_array\n"
"bl atexit\n"
"bl __libc_init_array\n"
"mov r0,r4\n"
"mov r1,r5\n"
"bl osKernelInitialize\n"
"ldr r0,=os_thread_def_main\n"
"movs r1,#0\n"
"bl osThreadCreate\n"
"bl osKernelStart\n"
"bl exit\n"
);
}
#endif
#elif defined (__ICCARM__)
extern int __low_level_init(void);
extern void __iar_data_init3(void);
extern void exit(int arg);
__noreturn __stackless void __cmain(void) {
int a;
if (__low_level_init() != 0) {
__iar_data_init3();
}
osKernelInitialize();
osThreadCreate(&os_thread_def_main, NULL);
a = osKernelStart();
exit(a);
}
#endif
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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external/CMSIS_5/CMSIS/RTOS/RTX/INC/cmsis_os.h vendored Normal file
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/* ----------------------------------------------------------------------
* $Date: 5. February 2013
* $Revision: V1.02
*
* Project: CMSIS-RTOS API
* Title: cmsis_os.h RTX header file
*
* Version 0.02
* Initial Proposal Phase
* Version 0.03
* osKernelStart added, optional feature: main started as thread
* osSemaphores have standard behavior
* osTimerCreate does not start the timer, added osTimerStart
* osThreadPass is renamed to osThreadYield
* Version 1.01
* Support for C++ interface
* - const attribute removed from the osXxxxDef_t typedef's
* - const attribute added to the osXxxxDef macros
* Added: osTimerDelete, osMutexDelete, osSemaphoreDelete
* Added: osKernelInitialize
* Version 1.02
* Control functions for short timeouts in microsecond resolution:
* Added: osKernelSysTick, osKernelSysTickFrequency, osKernelSysTickMicroSec
* Removed: osSignalGet
*----------------------------------------------------------------------------
*
* Copyright (c) 2013-2017 ARM LIMITED. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#ifndef _CMSIS_OS_H
#define _CMSIS_OS_H
#define osCMSIS 0x10002U ///< CMSIS-RTOS API version (main [31:16] .sub [15:0])
#define osCMSIS_RTX ((4<<16)|82) ///< RTOS identification and version (main [31:16] .sub [15:0])
#define osKernelSystemId "RTX V4.82" ///< RTOS identification string
#define osFeature_MainThread 1 ///< main can be thread
#define osFeature_Pool 1 ///< Memory Pools available
#define osFeature_MailQ 1 ///< Mail Queues available
#define osFeature_MessageQ 1 ///< Message Queues available
#define osFeature_Signals 16 ///< 16 Signal Flags available per thread
#define osFeature_Semaphore 65535 ///< Maximum count for \ref osSemaphoreCreate function
#define osFeature_Wait 0 ///< osWait not available
#define osFeature_SysTick 1 ///< osKernelSysTick functions available
#if defined(__CC_ARM)
#define os_InRegs __value_in_regs // Compiler specific: force struct in registers
#else
#define os_InRegs
#endif
#if defined(__CC_ARM)
#define __NO_RETURN __declspec(noreturn)
#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
#define __NO_RETURN __attribute__((noreturn))
#elif defined(__GNUC__)
#define __NO_RETURN __attribute__((noreturn))
#elif defined(__ICCARM__)
#define __NO_RETURN __noreturn
#else
#define __NO_RETURN
#endif
#include <stdint.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C"
{
#endif
// ==== Enumeration, structures, defines ====
/// Priority used for thread control.
typedef enum {
osPriorityIdle = -3, ///< priority: idle (lowest)
osPriorityLow = -2, ///< priority: low
osPriorityBelowNormal = -1, ///< priority: below normal
osPriorityNormal = 0, ///< priority: normal (default)
osPriorityAboveNormal = +1, ///< priority: above normal
osPriorityHigh = +2, ///< priority: high
osPriorityRealtime = +3, ///< priority: realtime (highest)
osPriorityError = 0x84, ///< system cannot determine priority or thread has illegal priority
os_priority_reserved = 0x7FFFFFFF ///< prevent from enum down-size compiler optimization.
} osPriority;
/// Timeout value.
#define osWaitForever 0xFFFFFFFFU ///< wait forever timeout value
/// Status code values returned by CMSIS-RTOS functions.
typedef enum {
osOK = 0, ///< function completed; no error or event occurred.
osEventSignal = 0x08, ///< function completed; signal event occurred.
osEventMessage = 0x10, ///< function completed; message event occurred.
osEventMail = 0x20, ///< function completed; mail event occurred.
osEventTimeout = 0x40, ///< function completed; timeout occurred.
osErrorParameter = 0x80, ///< parameter error: a mandatory parameter was missing or specified an incorrect object.
osErrorResource = 0x81, ///< resource not available: a specified resource was not available.
osErrorTimeoutResource = 0xC1, ///< resource not available within given time: a specified resource was not available within the timeout period.
osErrorISR = 0x82, ///< not allowed in ISR context: the function cannot be called from interrupt service routines.
osErrorISRRecursive = 0x83, ///< function called multiple times from ISR with same object.
osErrorPriority = 0x84, ///< system cannot determine priority or thread has illegal priority.
osErrorNoMemory = 0x85, ///< system is out of memory: it was impossible to allocate or reserve memory for the operation.
osErrorValue = 0x86, ///< value of a parameter is out of range.
osErrorOS = 0xFF, ///< unspecified RTOS error: run-time error but no other error message fits.
os_status_reserved = 0x7FFFFFFF ///< prevent from enum down-size compiler optimization.
} osStatus;
/// Timer type value for the timer definition.
typedef enum {
osTimerOnce = 0, ///< one-shot timer
osTimerPeriodic = 1 ///< repeating timer
} os_timer_type;
/// Entry point of a thread.
typedef void (*os_pthread) (void const *argument);
/// Entry point of a timer call back function.
typedef void (*os_ptimer) (void const *argument);
// >>> the following data type definitions may shall adapted towards a specific RTOS
/// Thread ID identifies the thread (pointer to a thread control block).
typedef struct os_thread_cb *osThreadId;
/// Timer ID identifies the timer (pointer to a timer control block).
typedef struct os_timer_cb *osTimerId;
/// Mutex ID identifies the mutex (pointer to a mutex control block).
typedef struct os_mutex_cb *osMutexId;
/// Semaphore ID identifies the semaphore (pointer to a semaphore control block).
typedef struct os_semaphore_cb *osSemaphoreId;
/// Pool ID identifies the memory pool (pointer to a memory pool control block).
typedef struct os_pool_cb *osPoolId;
/// Message ID identifies the message queue (pointer to a message queue control block).
typedef struct os_messageQ_cb *osMessageQId;
/// Mail ID identifies the mail queue (pointer to a mail queue control block).
typedef struct os_mailQ_cb *osMailQId;
/// Thread Definition structure contains startup information of a thread.
typedef struct os_thread_def {
os_pthread pthread; ///< start address of thread function
osPriority tpriority; ///< initial thread priority
uint32_t instances; ///< maximum number of instances of that thread function
uint32_t stacksize; ///< stack size requirements in bytes; 0 is default stack size
} osThreadDef_t;
/// Timer Definition structure contains timer parameters.
typedef struct os_timer_def {
os_ptimer ptimer; ///< start address of a timer function
void *timer; ///< pointer to internal data
} osTimerDef_t;
/// Mutex Definition structure contains setup information for a mutex.
typedef struct os_mutex_def {
void *mutex; ///< pointer to internal data
} osMutexDef_t;
/// Semaphore Definition structure contains setup information for a semaphore.
typedef struct os_semaphore_def {
void *semaphore; ///< pointer to internal data
} osSemaphoreDef_t;
/// Definition structure for memory block allocation.
typedef struct os_pool_def {
uint32_t pool_sz; ///< number of items (elements) in the pool
uint32_t item_sz; ///< size of an item
void *pool; ///< pointer to memory for pool
} osPoolDef_t;
/// Definition structure for message queue.
typedef struct os_messageQ_def {
uint32_t queue_sz; ///< number of elements in the queue
void *pool; ///< memory array for messages
} osMessageQDef_t;
/// Definition structure for mail queue.
typedef struct os_mailQ_def {
uint32_t queue_sz; ///< number of elements in the queue
uint32_t item_sz; ///< size of an item
void *pool; ///< memory array for mail
} osMailQDef_t;
/// Event structure contains detailed information about an event.
typedef struct {
osStatus status; ///< status code: event or error information
union {
uint32_t v; ///< message as 32-bit value
void *p; ///< message or mail as void pointer
int32_t signals; ///< signal flags
} value; ///< event value
union {
osMailQId mail_id; ///< mail id obtained by \ref osMailCreate
osMessageQId message_id; ///< message id obtained by \ref osMessageCreate
} def; ///< event definition
} osEvent;
// ==== Kernel Control Functions ====
/// Initialize the RTOS Kernel for creating objects.
/// \return status code that indicates the execution status of the function.
osStatus osKernelInitialize (void);
/// Start the RTOS Kernel.
/// \return status code that indicates the execution status of the function.
osStatus osKernelStart (void);
/// Check if the RTOS kernel is already started.
/// \return 0 RTOS is not started, 1 RTOS is started.
int32_t osKernelRunning(void);
#if (defined (osFeature_SysTick) && (osFeature_SysTick != 0)) // System Timer available
/// \cond INTERNAL_VARIABLES
extern uint32_t const os_tickfreq;
extern uint16_t const os_tickus_i;
extern uint16_t const os_tickus_f;
/// \endcond
/// Get the RTOS kernel system timer counter.
/// \return RTOS kernel system timer as 32-bit value
uint32_t osKernelSysTick (void);
/// The RTOS kernel system timer frequency in Hz.
/// \note Reflects the system timer setting and is typically defined in a configuration file.
#define osKernelSysTickFrequency os_tickfreq
/// Convert a microseconds value to a RTOS kernel system timer value.
/// \param microsec time value in microseconds.
/// \return time value normalized to the \ref osKernelSysTickFrequency
/*
#define osKernelSysTickMicroSec(microsec) (((uint64_t)microsec * (osKernelSysTickFrequency)) / 1000000)
*/
#define osKernelSysTickMicroSec(microsec) ((microsec * os_tickus_i) + ((microsec * os_tickus_f) >> 16))
#endif // System Timer available
// ==== Thread Management ====
/// Create a Thread Definition with function, priority, and stack requirements.
/// \param name name of the thread function.
/// \param priority initial priority of the thread function.
/// \param instances number of possible thread instances.
/// \param stacksz stack size (in bytes) requirements for the thread function.
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osThreadDef(name, priority, instances, stacksz) \
extern const osThreadDef_t os_thread_def_##name
#else // define the object
#define osThreadDef(name, priority, instances, stacksz) \
const osThreadDef_t os_thread_def_##name = \
{ (name), (priority), (instances), (stacksz) }
#endif
/// Access a Thread definition.
/// \param name name of the thread definition object.
/// macro body is implementation specific in every CMSIS-RTOS.
#define osThread(name) \
&os_thread_def_##name
/// Create a thread and add it to Active Threads and set it to state READY.
/// \param[in] thread_def thread definition referenced with \ref osThread.
/// \param[in] argument pointer that is passed to the thread function as start argument.
/// \return thread ID for reference by other functions or NULL in case of error.
osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument);
/// Return the thread ID of the current running thread.
/// \return thread ID for reference by other functions or NULL in case of error.
osThreadId osThreadGetId (void);
/// Terminate execution of a thread and remove it from Active Threads.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \return status code that indicates the execution status of the function.
osStatus osThreadTerminate (osThreadId thread_id);
/// Pass control to next thread that is in state \b READY.
/// \return status code that indicates the execution status of the function.
osStatus osThreadYield (void);
/// Change priority of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \param[in] priority new priority value for the thread function.
/// \return status code that indicates the execution status of the function.
osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority);
/// Get current priority of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \return current priority value of the thread function.
osPriority osThreadGetPriority (osThreadId thread_id);
// ==== Generic Wait Functions ====
/// Wait for Timeout (Time Delay).
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "Time delay" value
/// \return status code that indicates the execution status of the function.
osStatus osDelay (uint32_t millisec);
#if (defined (osFeature_Wait) && (osFeature_Wait != 0)) // Generic Wait available
/// Wait for Signal, Message, Mail, or Timeout.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return event that contains signal, message, or mail information or error code.
os_InRegs osEvent osWait (uint32_t millisec);
#endif // Generic Wait available
// ==== Timer Management Functions ====
/// Define a Timer object.
/// \param name name of the timer object.
/// \param function name of the timer call back function.
#if defined (osObjectsExternal) // object is external
#define osTimerDef(name, function) \
extern const osTimerDef_t os_timer_def_##name
#else // define the object
#define osTimerDef(name, function) \
uint32_t os_timer_cb_##name[6]; \
const osTimerDef_t os_timer_def_##name = \
{ (function), (os_timer_cb_##name) }
#endif
/// Access a Timer definition.
/// \param name name of the timer object.
#define osTimer(name) \
&os_timer_def_##name
/// Create a timer.
/// \param[in] timer_def timer object referenced with \ref osTimer.
/// \param[in] type osTimerOnce for one-shot or osTimerPeriodic for periodic behavior.
/// \param[in] argument argument to the timer call back function.
/// \return timer ID for reference by other functions or NULL in case of error.
osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument);
/// Start or restart a timer.
/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "Time delay" value of the timer.
/// \return status code that indicates the execution status of the function.
osStatus osTimerStart (osTimerId timer_id, uint32_t millisec);
/// Stop the timer.
/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
/// \return status code that indicates the execution status of the function.
osStatus osTimerStop (osTimerId timer_id);
/// Delete a timer that was created by \ref osTimerCreate.
/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
/// \return status code that indicates the execution status of the function.
osStatus osTimerDelete (osTimerId timer_id);
// ==== Signal Management ====
/// Set the specified Signal Flags of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \param[in] signals specifies the signal flags of the thread that should be set.
/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
int32_t osSignalSet (osThreadId thread_id, int32_t signals);
/// Clear the specified Signal Flags of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \param[in] signals specifies the signal flags of the thread that shall be cleared.
/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters or call from ISR.
int32_t osSignalClear (osThreadId thread_id, int32_t signals);
/// Wait for one or more Signal Flags to become signaled for the current \b RUNNING thread.
/// \param[in] signals wait until all specified signal flags set or 0 for any single signal flag.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return event flag information or error code.
#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
#define osSignalWait __osSignalWait
osEvent __osSignalWait (int32_t signals, uint32_t millisec);
#else
os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec);
#endif
// ==== Mutex Management ====
/// Define a Mutex.
/// \param name name of the mutex object.
#if defined (osObjectsExternal) // object is external
#define osMutexDef(name) \
extern const osMutexDef_t os_mutex_def_##name
#else // define the object
#define osMutexDef(name) \
uint32_t os_mutex_cb_##name[4] = { 0 }; \
const osMutexDef_t os_mutex_def_##name = { (os_mutex_cb_##name) }
#endif
/// Access a Mutex definition.
/// \param name name of the mutex object.
#define osMutex(name) \
&os_mutex_def_##name
/// Create and Initialize a Mutex object.
/// \param[in] mutex_def mutex definition referenced with \ref osMutex.
/// \return mutex ID for reference by other functions or NULL in case of error.
osMutexId osMutexCreate (const osMutexDef_t *mutex_def);
/// Wait until a Mutex becomes available.
/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return status code that indicates the execution status of the function.
osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec);
/// Release a Mutex that was obtained by \ref osMutexWait.
/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
/// \return status code that indicates the execution status of the function.
osStatus osMutexRelease (osMutexId mutex_id);
/// Delete a Mutex that was created by \ref osMutexCreate.
/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
/// \return status code that indicates the execution status of the function.
osStatus osMutexDelete (osMutexId mutex_id);
// ==== Semaphore Management Functions ====
#if (defined (osFeature_Semaphore) && (osFeature_Semaphore != 0)) // Semaphore available
/// Define a Semaphore object.
/// \param name name of the semaphore object.
#if defined (osObjectsExternal) // object is external
#define osSemaphoreDef(name) \
extern const osSemaphoreDef_t os_semaphore_def_##name
#else // define the object
#define osSemaphoreDef(name) \
uint32_t os_semaphore_cb_##name[2] = { 0 }; \
const osSemaphoreDef_t os_semaphore_def_##name = { (os_semaphore_cb_##name) }
#endif
/// Access a Semaphore definition.
/// \param name name of the semaphore object.
#define osSemaphore(name) \
&os_semaphore_def_##name
/// Create and Initialize a Semaphore object used for managing resources.
/// \param[in] semaphore_def semaphore definition referenced with \ref osSemaphore.
/// \param[in] count number of available resources.
/// \return semaphore ID for reference by other functions or NULL in case of error.
osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count);
/// Wait until a Semaphore token becomes available.
/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return number of available tokens, or -1 in case of incorrect parameters.
int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec);
/// Release a Semaphore token.
/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
/// \return status code that indicates the execution status of the function.
osStatus osSemaphoreRelease (osSemaphoreId semaphore_id);
/// Delete a Semaphore that was created by \ref osSemaphoreCreate.
/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
/// \return status code that indicates the execution status of the function.
osStatus osSemaphoreDelete (osSemaphoreId semaphore_id);
#endif // Semaphore available
// ==== Memory Pool Management Functions ====
#if (defined (osFeature_Pool) && (osFeature_Pool != 0)) // Memory Pool Management available
/// \brief Define a Memory Pool.
/// \param name name of the memory pool.
/// \param no maximum number of blocks (objects) in the memory pool.
/// \param type data type of a single block (object).
#if defined (osObjectsExternal) // object is external
#define osPoolDef(name, no, type) \
extern const osPoolDef_t os_pool_def_##name
#else // define the object
#define osPoolDef(name, no, type) \
uint32_t os_pool_m_##name[3+((sizeof(type)+3)/4)*(no)]; \
const osPoolDef_t os_pool_def_##name = \
{ (no), sizeof(type), (os_pool_m_##name) }
#endif
/// \brief Access a Memory Pool definition.
/// \param name name of the memory pool
#define osPool(name) \
&os_pool_def_##name
/// Create and Initialize a memory pool.
/// \param[in] pool_def memory pool definition referenced with \ref osPool.
/// \return memory pool ID for reference by other functions or NULL in case of error.
osPoolId osPoolCreate (const osPoolDef_t *pool_def);
/// Allocate a memory block from a memory pool.
/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
/// \return address of the allocated memory block or NULL in case of no memory available.
void *osPoolAlloc (osPoolId pool_id);
/// Allocate a memory block from a memory pool and set memory block to zero.
/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
/// \return address of the allocated memory block or NULL in case of no memory available.
void *osPoolCAlloc (osPoolId pool_id);
/// Return an allocated memory block back to a specific memory pool.
/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
/// \param[in] block address of the allocated memory block that is returned to the memory pool.
/// \return status code that indicates the execution status of the function.
osStatus osPoolFree (osPoolId pool_id, void *block);
#endif // Memory Pool Management available
// ==== Message Queue Management Functions ====
#if (defined (osFeature_MessageQ) && (osFeature_MessageQ != 0)) // Message Queues available
/// \brief Create a Message Queue Definition.
/// \param name name of the queue.
/// \param queue_sz maximum number of messages in the queue.
/// \param type data type of a single message element (for debugger).
#if defined (osObjectsExternal) // object is external
#define osMessageQDef(name, queue_sz, type) \
extern const osMessageQDef_t os_messageQ_def_##name
#else // define the object
#define osMessageQDef(name, queue_sz, type) \
uint32_t os_messageQ_q_##name[4+(queue_sz)] = { 0 }; \
const osMessageQDef_t os_messageQ_def_##name = \
{ (queue_sz), (os_messageQ_q_##name) }
#endif
/// \brief Access a Message Queue Definition.
/// \param name name of the queue
#define osMessageQ(name) \
&os_messageQ_def_##name
/// Create and Initialize a Message Queue.
/// \param[in] queue_def queue definition referenced with \ref osMessageQ.
/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
/// \return message queue ID for reference by other functions or NULL in case of error.
osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id);
/// Put a Message to a Queue.
/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
/// \param[in] info message information.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return status code that indicates the execution status of the function.
osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
/// Get a Message or Wait for a Message from a Queue.
/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return event information that includes status code.
#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
#define osMessageGet __osMessageGet
osEvent __osMessageGet (osMessageQId queue_id, uint32_t millisec);
#else
os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec);
#endif
#endif // Message Queues available
// ==== Mail Queue Management Functions ====
#if (defined (osFeature_MailQ) && (osFeature_MailQ != 0)) // Mail Queues available
/// \brief Create a Mail Queue Definition.
/// \param name name of the queue
/// \param queue_sz maximum number of messages in queue
/// \param type data type of a single message element
#if defined (osObjectsExternal) // object is external
#define osMailQDef(name, queue_sz, type) \
extern const osMailQDef_t os_mailQ_def_##name
#else // define the object
#define osMailQDef(name, queue_sz, type) \
uint32_t os_mailQ_q_##name[4+(queue_sz)] = { 0 }; \
uint32_t os_mailQ_m_##name[3+((sizeof(type)+3)/4)*(queue_sz)]; \
void * os_mailQ_p_##name[2] = { (os_mailQ_q_##name), os_mailQ_m_##name }; \
const osMailQDef_t os_mailQ_def_##name = \
{ (queue_sz), sizeof(type), (os_mailQ_p_##name) }
#endif
/// \brief Access a Mail Queue Definition.
/// \param name name of the queue
#define osMailQ(name) \
&os_mailQ_def_##name
/// Create and Initialize mail queue.
/// \param[in] queue_def reference to the mail queue definition obtain with \ref osMailQ
/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
/// \return mail queue ID for reference by other functions or NULL in case of error.
osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id);
/// Allocate a memory block from a mail.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return pointer to memory block that can be filled with mail or NULL in case of error.
void *osMailAlloc (osMailQId queue_id, uint32_t millisec);
/// Allocate a memory block from a mail and set memory block to zero.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return pointer to memory block that can be filled with mail or NULL in case of error.
void *osMailCAlloc (osMailQId queue_id, uint32_t millisec);
/// Put a mail to a queue.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] mail memory block previously allocated with \ref osMailAlloc or \ref osMailCAlloc.
/// \return status code that indicates the execution status of the function.
osStatus osMailPut (osMailQId queue_id, void *mail);
/// Get a mail from a queue.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return event that contains mail information or error code.
#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
#define osMailGet __osMailGet
osEvent __osMailGet (osMailQId queue_id, uint32_t millisec);
#else
os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec);
#endif
/// Free a memory block from a mail.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] mail pointer to the memory block that was obtained with \ref osMailGet.
/// \return status code that indicates the execution status of the function.
osStatus osMailFree (osMailQId queue_id, void *mail);
#endif // Mail Queues available
// ==== RTX Extensions ====
/// Suspend the RTX task scheduler.
/// \return number of ticks, for how long the system can sleep or power-down.
uint32_t os_suspend (void);
/// Resume the RTX task scheduler.
/// \param[in] sleep_time specifies how long the system was in sleep or power-down mode.
void os_resume (uint32_t sleep_time);
/// OS idle demon (running when no other thread is ready to run).
__NO_RETURN void os_idle_demon (void);
/// OS error callback (called when a runtime error is detected).
/// \param[in] error_code actual error code that has been detected.
__NO_RETURN void os_error (uint32_t error_code);
#ifdef __cplusplus
}
#endif
#endif // _CMSIS_OS_H

80
external/CMSIS_5/CMSIS/RTOS/RTX/LIB/fetch_libs.sh vendored Normal file
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@@ -0,0 +1,80 @@
#!/bin/bash
VERSION=4.82.0
if [ -z "$JENKINS_FAMILY_ENV" ]; then
ARTIFACTORY_URL=https://artifactory.eu02.arm.com:443/artifactory/mcu.promoted
else
ARTIFACTORY_URL=https://eu-west-1.artifactory.aws.arm.com:443/artifactory/mcu.promoted
fi
if [ -z "$ARTIFACTORY_API_KEY" ]; then
echo "Please set your Artifactory in ARTIFACTORY_API_KEY"
echo ""
echo "1. Browse to $(dirname $(dirname $ARTIFACTORY_URL))/ui/admin/artifactory/user_profile"
echo "2. Copy the API Key"
echo "3. Add 'export ARTIFACTORY_API_KEY=\"<API Key>\"' to ~/.bashrc"
exit 1
fi
set -o pipefail
function usage {
echo "$(basename $0) [-h|--help] [-f|--force]"
echo ""
echo "Arguments:"
echo " -h|--help Print this usage message and exit."
echo " -f|--force Force (re)download."
echo ""
echo "Environment:"
echo " curl"
echo " sha256sum"
echo ""
}
POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
'-h'|'--help')
usage
exit 1
;;
'-f'|'--force')
FORCE=1
;;
*) # unknown option
POSITIONAL+=("$1") # save it in an array for later
;;
esac
shift # past argument
done
set -- "${POSITIONAL[@]}" # restore positional parameters
pushd $(dirname $0) > /dev/null
ARCHIVE_NAME="RTX-${VERSION}.zip"
ARCHIVE_URL="${ARTIFACTORY_URL}/CMSIS_5/Libraries/${ARCHIVE_NAME}"
echo "Fetching ${ARCHIVE_URL}..."
if [[ $FORCE == 1 ]]; then
rm ${ARCHIVE_NAME}
fi
if [[ -f ${ARCHIVE_NAME} ]]; then
sha256sum=$(curl -s -I -H "X-JFrog-Art-Api:${ARTIFACTORY_API_KEY}" "${ARCHIVE_URL}" | grep "X-Checksum-Sha256" | cut -d" " -f2)
if echo "${sha256sum} *${ARCHIVE_NAME}" | sha256sum -c --status; then
echo "Already up-to-date"
else
rm ${ARCHIVE_NAME}
fi
fi
if [[ ! -f ${ARCHIVE_NAME} ]]; then
curl -C - -H "X-JFrog-Art-Api:${ARTIFACTORY_API_KEY}" -O "${ARCHIVE_URL}"
fi
unzip -u ${ARCHIVE_NAME}
exit 0

291
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/ARM/HAL_CM0.c vendored Normal file
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@@ -0,0 +1,291 @@
/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM0.C
* Purpose: Hardware Abstraction Layer for Cortex-M0
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_HAL_CM.h"
#include "rt_Task.h"
#include "rt_MemBox.h"
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_set_PSP ------------------------------------*/
__asm void rt_set_PSP (U32 stack) {
MSR PSP,R0
BX LR
}
/*--------------------------- rt_get_PSP ------------------------------------*/
__asm U32 rt_get_PSP (void) {
MRS R0,PSP
BX LR
}
/*--------------------------- os_set_env ------------------------------------*/
__asm void os_set_env (void) {
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
MOV R0,SP ; PSP = MSP
MSR PSP,R0
LDR R0,=__cpp(&os_flags)
LDRB R0,[R0]
LSLS R0,#31
BNE PrivilegedE
MOVS R0,#0x03 ; Unprivileged Thread mode, use PSP
MSR CONTROL,R0
BX LR
PrivilegedE
MOVS R0,#0x02 ; Privileged Thread mode, use PSP
MSR CONTROL,R0
BX LR
ALIGN
}
/*--------------------------- _alloc_box ------------------------------------*/
__asm void *_alloc_box (void *box_mem) {
/* Function wrapper for Unprivileged/Privileged mode. */
LDR R3,=__cpp(rt_alloc_box)
MOV R12,R3
MRS R3,IPSR
LSLS R3,#24
BNE PrivilegedA
MRS R3,CONTROL
LSLS R3,#31
BEQ PrivilegedA
SVC 0
BX LR
PrivilegedA
BX R12
ALIGN
}
/*--------------------------- _free_box -------------------------------------*/
__asm U32 _free_box (void *box_mem, void *box) {
/* Function wrapper for Unprivileged/Privileged mode. */
LDR R3,=__cpp(rt_free_box)
MOV R12,R3
MRS R3,IPSR
LSLS R3,#24
BNE PrivilegedF
MRS R3,CONTROL
LSLS R3,#31
BEQ PrivilegedF
SVC 0
BX LR
PrivilegedF
BX R12
ALIGN
}
/*-------------------------- SVC_Handler ------------------------------------*/
__asm void SVC_Handler (void) {
PRESERVE8
IMPORT SVC_Count
IMPORT SVC_Table
IMPORT rt_stk_check
MRS R0,PSP ; Read PSP
LDR R1,[R0,#24] ; Read Saved PC from Stack
SUBS R1,R1,#2 ; Point to SVC Instruction
LDRB R1,[R1] ; Load SVC Number
CMP R1,#0
BNE SVC_User ; User SVC Number > 0
MOV LR,R4
LDMIA R0,{R0-R3,R4} ; Read R0-R3,R12 from stack
MOV R12,R4
MOV R4,LR
BLX R12 ; Call SVC Function
MRS R3,PSP ; Read PSP
STMIA R3!,{R0-R2} ; Store return values
LDR R3,=__cpp(&os_tsk)
LDMIA R3!,{R1,R2} ; os_tsk.run, os_tsk.next
CMP R1,R2
BEQ SVC_Exit ; no task switch
SUBS R3,#8
CMP R1,#0 ; Runtask deleted?
BEQ SVC_Next
MRS R0,PSP ; Read PSP
SUBS R0,R0,#32 ; Adjust Start Address
STR R0,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
STMIA R0!,{R4-R7} ; Save old context (R4-R7)
MOV R4,R8
MOV R5,R9
MOV R6,R10
MOV R7,R11
STMIA R0!,{R4-R7} ; Save old context (R8-R11)
PUSH {R2,R3}
BL rt_stk_check ; Check for Stack overflow
POP {R2,R3}
SVC_Next
STR R2,[R3] ; os_tsk.run = os_tsk.next
LDR R0,[R2,#TCB_TSTACK] ; os_tsk.next->tsk_stack
ADDS R0,R0,#16 ; Adjust Start Address
LDMIA R0!,{R4-R7} ; Restore new Context (R8-R11)
MOV R8,R4
MOV R9,R5
MOV R10,R6
MOV R11,R7
MSR PSP,R0 ; Write PSP
SUBS R0,R0,#32 ; Adjust Start Address
LDMIA R0!,{R4-R7} ; Restore new Context (R4-R7)
SVC_Exit
MOVS R0,#:NOT:0xFFFFFFFD ; Set EXC_RETURN value
MVNS R0,R0
BX R0 ; RETI to Thread Mode, use PSP
/*------------------- User SVC ------------------------------*/
SVC_User
PUSH {R4,LR} ; Save Registers
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done ; Overflow
LDR R4,=SVC_Table-4
LSLS R1,R1,#2
LDR R4,[R4,R1] ; Load SVC Function Address
MOV LR,R4
LDMIA R0,{R0-R3,R4} ; Read R0-R3,R12 from stack
MOV R12,R4
BLX LR ; Call SVC Function
MRS R4,PSP ; Read PSP
STMIA R4!,{R0-R3} ; Function return values
SVC_Done
POP {R4,PC} ; RETI
ALIGN
}
/*-------------------------- PendSV_Handler ---------------------------------*/
__asm void PendSV_Handler (void) {
PRESERVE8
BL __cpp(rt_pop_req)
Sys_Switch
LDR R3,=__cpp(&os_tsk)
LDMIA R3!,{R1,R2} ; os_tsk.run, os_tsk.next
CMP R1,R2
BEQ Sys_Exit ; no task switch
SUBS R3,#8
MRS R0,PSP ; Read PSP
SUBS R0,R0,#32 ; Adjust Start Address
STR R0,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
STMIA R0!,{R4-R7} ; Save old context (R4-R7)
MOV R4,R8
MOV R5,R9
MOV R6,R10
MOV R7,R11
STMIA R0!,{R4-R7} ; Save old context (R8-R11)
PUSH {R2,R3}
BL rt_stk_check ; Check for Stack overflow
POP {R2,R3}
STR R2,[R3] ; os_tsk.run = os_tsk.next
LDR R0,[R2,#TCB_TSTACK] ; os_tsk.next->tsk_stack
ADDS R0,R0,#16 ; Adjust Start Address
LDMIA R0!,{R4-R7} ; Restore new Context (R8-R11)
MOV R8,R4
MOV R9,R5
MOV R10,R6
MOV R11,R7
MSR PSP,R0 ; Write PSP
SUBS R0,R0,#32 ; Adjust Start Address
LDMIA R0!,{R4-R7} ; Restore new Context (R4-R7)
Sys_Exit
MOVS R0,#:NOT:0xFFFFFFFD ; Set EXC_RETURN value
MVNS R0,R0
BX R0 ; RETI to Thread Mode, use PSP
ALIGN
}
/*-------------------------- SysTick_Handler --------------------------------*/
__asm void SysTick_Handler (void) {
PRESERVE8
BL __cpp(rt_systick)
B Sys_Switch
ALIGN
}
/*-------------------------- OS_Tick_Handler --------------------------------*/
__asm void OS_Tick_Handler (void) {
PRESERVE8
BL __cpp(os_tick_irqack)
BL __cpp(rt_systick)
B Sys_Switch
ALIGN
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

264
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/ARM/HAL_CM3.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM3.C
* Purpose: Hardware Abstraction Layer for Cortex-M3
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_HAL_CM.h"
#include "rt_Task.h"
#include "rt_MemBox.h"
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_set_PSP ------------------------------------*/
__asm void rt_set_PSP (U32 stack) {
MSR PSP,R0
BX LR
}
/*--------------------------- rt_get_PSP ------------------------------------*/
__asm U32 rt_get_PSP (void) {
MRS R0,PSP
BX LR
}
/*--------------------------- os_set_env ------------------------------------*/
__asm void os_set_env (void) {
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
MOV R0,SP ; PSP = MSP
MSR PSP,R0
LDR R0,=__cpp(&os_flags)
LDRB R0,[R0]
LSLS R0,#31
MOVNE R0,#0x02 ; Privileged Thread mode, use PSP
MOVEQ R0,#0x03 ; Unprivileged Thread mode, use PSP
MSR CONTROL,R0
BX LR
ALIGN
}
/*--------------------------- _alloc_box ------------------------------------*/
__asm void *_alloc_box (void *box_mem) {
/* Function wrapper for Unprivileged/Privileged mode. */
LDR R12,=__cpp(rt_alloc_box)
MRS R3,IPSR
LSLS R3,#24
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
BXEQ R12
SVC 0
BX LR
ALIGN
}
/*--------------------------- _free_box -------------------------------------*/
__asm U32 _free_box (void *box_mem, void *box) {
/* Function wrapper for Unprivileged/Privileged mode. */
LDR R12,=__cpp(rt_free_box)
MRS R3,IPSR
LSLS R3,#24
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
BXEQ R12
SVC 0
BX LR
ALIGN
}
/*-------------------------- SVC_Handler ------------------------------------*/
__asm void SVC_Handler (void) {
PRESERVE8
IMPORT SVC_Count
IMPORT SVC_Table
IMPORT rt_stk_check
#ifdef IFX_XMC4XXX
EXPORT SVC_Handler_Veneer
SVC_Handler_Veneer
#endif
MRS R0,PSP ; Read PSP
LDR R1,[R0,#24] ; Read Saved PC from Stack
LDRB R1,[R1,#-2] ; Load SVC Number
CBNZ R1,SVC_User
LDM R0,{R0-R3,R12} ; Read R0-R3,R12 from stack
BLX R12 ; Call SVC Function
MRS R12,PSP ; Read PSP
STM R12,{R0-R2} ; Store return values
LDR R3,=__cpp(&os_tsk)
LDM R3,{R1,R2} ; os_tsk.run, os_tsk.next
CMP R1,R2
BEQ SVC_Exit ; no task switch
CBZ R1,SVC_Next ; Runtask deleted?
STMDB R12!,{R4-R11} ; Save Old context
STR R12,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
PUSH {R2,R3}
BL rt_stk_check ; Check for Stack overflow
POP {R2,R3}
SVC_Next
STR R2,[R3] ; os_tsk.run = os_tsk.next
LDR R12,[R2,#TCB_TSTACK] ; os_tsk.next->tsk_stack
LDMIA R12!,{R4-R11} ; Restore New Context
MSR PSP,R12 ; Write PSP
SVC_Exit
MVN LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
#ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
#else
BX LR
#endif
/*------------------- User SVC ------------------------------*/
SVC_User
PUSH {R4,LR} ; Save Registers
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done ; Overflow
LDR R4,=SVC_Table-4
LDR R4,[R4,R1,LSL #2] ; Load SVC Function Address
LDM R0,{R0-R3,R12} ; Read R0-R3,R12 from stack
BLX R4 ; Call SVC Function
MRS R12,PSP
STM R12,{R0-R3} ; Function return values
SVC_Done
POP {R4,PC} ; RETI
ALIGN
}
/*-------------------------- PendSV_Handler ---------------------------------*/
__asm void PendSV_Handler (void) {
PRESERVE8
#ifdef IFX_XMC4XXX
EXPORT PendSV_Handler_Veneer
PendSV_Handler_Veneer
#endif
BL __cpp(rt_pop_req)
Sys_Switch
LDR R3,=__cpp(&os_tsk)
LDM R3,{R1,R2} ; os_tsk.run, os_tsk.next
CMP R1,R2
BEQ Sys_Exit
MRS R12,PSP ; Read PSP
STMDB R12!,{R4-R11} ; Save Old context
STR R12,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
PUSH {R2,R3}
BL rt_stk_check ; Check for Stack overflow
POP {R2,R3}
STR R2,[R3] ; os_tsk.run = os_tsk.next
LDR R12,[R2,#TCB_TSTACK] ; os_tsk.next->tsk_stack
LDMIA R12!,{R4-R11} ; Restore New Context
MSR PSP,R12 ; Write PSP
Sys_Exit
MVN LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
#ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
#else
BX LR ; Return to Thread Mode
#endif
ALIGN
}
/*-------------------------- SysTick_Handler --------------------------------*/
__asm void SysTick_Handler (void) {
PRESERVE8
#ifdef IFX_XMC4XXX
EXPORT SysTick_Handler_Veneer
SysTick_Handler_Veneer
#endif
BL __cpp(rt_systick)
B Sys_Switch
ALIGN
}
/*-------------------------- OS_Tick_Handler --------------------------------*/
__asm void OS_Tick_Handler (void) {
PRESERVE8
BL __cpp(os_tick_irqack)
BL __cpp(rt_systick)
B Sys_Switch
ALIGN
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

309
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/ARM/HAL_CM4.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM4.C
* Purpose: Hardware Abstraction Layer for Cortex-M4
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_HAL_CM.h"
#include "rt_Task.h"
#include "rt_MemBox.h"
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_set_PSP ------------------------------------*/
__asm void rt_set_PSP (U32 stack) {
MSR PSP,R0
BX LR
}
/*--------------------------- rt_get_PSP ------------------------------------*/
__asm U32 rt_get_PSP (void) {
MRS R0,PSP
BX LR
}
/*--------------------------- os_set_env ------------------------------------*/
__asm void os_set_env (void) {
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
MOV R0,SP ; PSP = MSP
MSR PSP,R0
LDR R0,=__cpp(&os_flags)
LDRB R0,[R0]
LSLS R0,#31
MOVNE R0,#0x02 ; Privileged Thread mode, use PSP
MOVEQ R0,#0x03 ; Unprivileged Thread mode, use PSP
MSR CONTROL,R0
BX LR
ALIGN
}
/*--------------------------- _alloc_box ------------------------------------*/
__asm void *_alloc_box (void *box_mem) {
/* Function wrapper for Unprivileged/Privileged mode. */
LDR R12,=__cpp(rt_alloc_box)
MRS R3,IPSR
LSLS R3,#24
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
BXEQ R12
SVC 0
BX LR
ALIGN
}
/*--------------------------- _free_box -------------------------------------*/
__asm U32 _free_box (void *box_mem, void *box) {
/* Function wrapper for Unprivileged/Privileged mode. */
LDR R12,=__cpp(rt_free_box)
MRS R3,IPSR
LSLS R3,#24
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
BXEQ R12
SVC 0
BX LR
ALIGN
}
/*-------------------------- SVC_Handler ------------------------------------*/
__asm void SVC_Handler (void) {
PRESERVE8
IMPORT SVC_Count
IMPORT SVC_Table
IMPORT rt_stk_check
#ifdef IFX_XMC4XXX
EXPORT SVC_Handler_Veneer
SVC_Handler_Veneer
#endif
MRS R0,PSP ; Read PSP
LDR R1,[R0,#24] ; Read Saved PC from Stack
LDRB R1,[R1,#-2] ; Load SVC Number
CBNZ R1,SVC_User
LDM R0,{R0-R3,R12} ; Read R0-R3,R12 from stack
PUSH {R4,LR} ; Save EXC_RETURN
BLX R12 ; Call SVC Function
POP {R4,LR} ; Restore EXC_RETURN
MRS R12,PSP ; Read PSP
STM R12,{R0-R2} ; Store return values
LDR R3,=__cpp(&os_tsk)
LDM R3,{R1,R2} ; os_tsk.run, os_tsk.next
CMP R1,R2
#ifdef IFX_XMC4XXX
PUSHEQ {LR}
POPEQ {PC}
#else
BXEQ LR ; RETI, no task switch
#endif
CBNZ R1,SVC_ContextSave ; Runtask not deleted?
TST LR,#0x10 ; is it extended frame?
BNE SVC_ContextRestore
LDR R1,=0xE000EF34
LDR R0,[R1] ; Load FPCCR
BIC R0,#1 ; Clear LSPACT (Lazy state)
STR R0,[R1] ; Store FPCCR
B SVC_ContextRestore
SVC_ContextSave
TST LR,#0x10 ; is it extended frame?
VSTMDBEQ R12!,{S16-S31} ; yes, stack also VFP hi-regs
MOVEQ R0,#0x01 ; os_tsk->stack_frame val
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] ; os_tsk.run->stack_frame = val
STMDB R12!,{R4-R11} ; Save Old context
STR R12,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
PUSH {R2,R3}
BL rt_stk_check ; Check for Stack overflow
POP {R2,R3}
SVC_ContextRestore
STR R2,[R3] ; os_tsk.run = os_tsk.next
LDR R12,[R2,#TCB_TSTACK] ; os_tsk.next->tsk_stack
LDMIA R12!,{R4-R11} ; Restore New Context
LDRB R0,[R2,#TCB_STACKF] ; Stack Frame
CMP R0,#0 ; Basic/Extended Stack Frame
MVNEQ LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
MVNNE LR,#:NOT:0xFFFFFFED
VLDMIANE R12!,{S16-S31} ; restore VFP hi-registers
MSR PSP,R12 ; Write PSP
SVC_Exit
#ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
#else
BX LR
#endif
/*------------------- User SVC ------------------------------*/
SVC_User
PUSH {R4,LR} ; Save Registers
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done ; Overflow
LDR R4,=SVC_Table-4
LDR R4,[R4,R1,LSL #2] ; Load SVC Function Address
LDM R0,{R0-R3,R12} ; Read R0-R3,R12 from stack
BLX R4 ; Call SVC Function
MRS R12,PSP
STM R12,{R0-R3} ; Function return values
SVC_Done
POP {R4,PC} ; RETI
ALIGN
}
/*-------------------------- PendSV_Handler ---------------------------------*/
__asm void PendSV_Handler (void) {
PRESERVE8
#ifdef IFX_XMC4XXX
EXPORT PendSV_Handler_Veneer
PendSV_Handler_Veneer
#endif
PUSH {R4,LR} ; Save EXC_RETURN
BL __cpp(rt_pop_req)
Sys_Switch
POP {R4,LR} ; Restore EXC_RETURN
LDR R3,=__cpp(&os_tsk)
LDM R3,{R1,R2} ; os_tsk.run, os_tsk.next
CMP R1,R2
#ifdef IFX_XMC4XXX
PUSHEQ {LR}
POPEQ {PC}
#else
BXEQ LR ; RETI, no task switch
#endif
MRS R12,PSP ; Read PSP
TST LR,#0x10 ; is it extended frame?
VSTMDBEQ R12!,{S16-S31} ; yes, stack also VFP hi-regs
MOVEQ R0,#0x01 ; os_tsk->stack_frame val
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] ; os_tsk.run->stack_frame = val
STMDB R12!,{R4-R11} ; Save Old context
STR R12,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
PUSH {R2,R3}
BL rt_stk_check ; Check for Stack overflow
POP {R2,R3}
STR R2,[R3] ; os_tsk.run = os_tsk.next
LDR R12,[R2,#TCB_TSTACK] ; os_tsk.next->tsk_stack
LDMIA R12!,{R4-R11} ; Restore New Context
LDRB R0,[R2,#TCB_STACKF] ; Stack Frame
CMP R0,#0 ; Basic/Extended Stack Frame
MVNEQ LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
MVNNE LR,#:NOT:0xFFFFFFED
VLDMIANE R12!,{S16-S31} ; restore VFP hi-regs
MSR PSP,R12 ; Write PSP
Sys_Exit
#ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
#else
BX LR ; Return to Thread Mode
#endif
ALIGN
}
/*-------------------------- SysTick_Handler --------------------------------*/
__asm void SysTick_Handler (void) {
PRESERVE8
#ifdef IFX_XMC4XXX
EXPORT SysTick_Handler_Veneer
SysTick_Handler_Veneer
#endif
PUSH {R4,LR} ; Save EXC_RETURN
BL __cpp(rt_systick)
B Sys_Switch
ALIGN
}
/*-------------------------- OS_Tick_Handler --------------------------------*/
__asm void OS_Tick_Handler (void) {
PRESERVE8
PUSH {R4,LR} ; Save EXC_RETURN
BL __cpp(os_tick_irqack)
BL __cpp(rt_systick)
B Sys_Switch
ALIGN
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

1506
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/ARM/RTX_Lib_CM.uvoptx vendored Normal file
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6107
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/ARM/RTX_Lib_CM.uvprojx vendored Normal file
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48
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/ARM/SVC_Table.s vendored Normal file
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@@ -0,0 +1,48 @@
;/*----------------------------------------------------------------------------
; * CMSIS-RTOS - RTX
; *----------------------------------------------------------------------------
; * Name: SVC_TABLE.S
; * Purpose: Pre-defined SVC Table for Cortex-M
; * Rev.: V4.70
; *----------------------------------------------------------------------------
; *
; * Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
; *
; * SPDX-License-Identifier: Apache-2.0
; *
; * Licensed under the Apache License, Version 2.0 (the License); you may
; * not use this file except in compliance with the License.
; * You may obtain a copy of the License at
; *
; * www.apache.org/licenses/LICENSE-2.0
; *
; * Unless required by applicable law or agreed to in writing, software
; * distributed under the License is distributed on an AS IS BASIS, WITHOUT
; * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; * See the License for the specific language governing permissions and
; * limitations under the License.
; *---------------------------------------------------------------------------*/
AREA SVC_TABLE, CODE, READONLY
EXPORT SVC_Count
SVC_Cnt EQU (SVC_End-SVC_Table)/4
SVC_Count DCD SVC_Cnt
; Import user SVC functions here.
; IMPORT __SVC_1
EXPORT SVC_Table
SVC_Table
; Insert user SVC functions here. SVC 0 used by RTL Kernel.
; DCD __SVC_1 ; user SVC function
SVC_End
END
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

360
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/GCC/HAL_CM0.S vendored Normal file
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@@ -0,0 +1,360 @@
/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM0.S
* Purpose: Hardware Abstraction Layer for Cortex-M0
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
.syntax unified
.equ TCB_TSTACK, 40
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
.thumb
.section ".text"
.align 2
/*--------------------------- rt_set_PSP ------------------------------------*/
# void rt_set_PSP (U32 stack);
.thumb_func
.type rt_set_PSP, %function
.global rt_set_PSP
rt_set_PSP:
.fnstart
.cantunwind
MSR PSP,R0
BX LR
.fnend
.size rt_set_PSP, .-rt_set_PSP
/*--------------------------- rt_get_PSP ------------------------------------*/
# U32 rt_get_PSP (void);
.thumb_func
.type rt_get_PSP, %function
.global rt_get_PSP
rt_get_PSP:
.fnstart
.cantunwind
MRS R0,PSP
BX LR
.fnend
.size rt_get_PSP, .-rt_get_PSP
/*--------------------------- os_set_env ------------------------------------*/
# void os_set_env (void);
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
.thumb_func
.type os_set_env, %function
.global os_set_env
os_set_env:
.fnstart
.cantunwind
MOV R0,SP /* PSP = MSP */
MSR PSP,R0
LDR R0,=os_flags
LDRB R0,[R0]
LSLS R0,#31
BNE PrivilegedE
MOVS R0,#0x03 /* Unprivileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
PrivilegedE:
MOVS R0,#0x02 /* Privileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
.fnend
.size os_set_env, .-os_set_env
/*--------------------------- _alloc_box ------------------------------------*/
# void *_alloc_box (void *box_mem);
/* Function wrapper for Unprivileged/Privileged mode. */
.thumb_func
.type _alloc_box, %function
.global _alloc_box
_alloc_box:
.fnstart
.cantunwind
LDR R3,=rt_alloc_box
MOV R12,R3
MRS R3,IPSR
LSLS R3,#24
BNE PrivilegedA
MRS R3,CONTROL
LSLS R3,#31
BEQ PrivilegedA
SVC 0
BX LR
PrivilegedA:
BX R12
.fnend
.size _alloc_box, .-_alloc_box
/*--------------------------- _free_box -------------------------------------*/
# U32 _free_box (void *box_mem, void *box);
/* Function wrapper for Unprivileged/Privileged mode. */
.thumb_func
.type _free_box, %function
.global _free_box
_free_box:
.fnstart
.cantunwind
LDR R3,=rt_free_box
MOV R12,R3
MRS R3,IPSR
LSLS R3,#24
BNE PrivilegedF
MRS R3,CONTROL
LSLS R3,#31
BEQ PrivilegedF
SVC 0
BX LR
PrivilegedF:
BX R12
.fnend
.size _free_box, .-_free_box
/*-------------------------- SVC_Handler ------------------------------------*/
# void SVC_Handler (void);
.thumb_func
.type SVC_Handler, %function
.global SVC_Handler
SVC_Handler:
.fnstart
.cantunwind
MRS R0,PSP /* Read PSP */
LDR R1,[R0,#24] /* Read Saved PC from Stack */
SUBS R1,R1,#2 /* Point to SVC Instruction */
LDRB R1,[R1] /* Load SVC Number */
CMP R1,#0
BNE SVC_User /* User SVC Number > 0 */
MOV LR,R4
LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */
MOV R12,R4
MOV R4,LR
BLX R12 /* Call SVC Function */
MRS R3,PSP /* Read PSP */
STMIA R3!,{R0-R2} /* Store return values */
LDR R3,=os_tsk
LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ SVC_Exit /* no task switch */
SUBS R3,#8
CMP R1,#0 /* Runtask deleted? */
BEQ SVC_Next
MRS R0,PSP /* Read PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
STMIA R0!,{R4-R7} /* Save old context (R4-R7) */
MOV R4,R8
MOV R5,R9
MOV R6,R10
MOV R7,R11
STMIA R0!,{R4-R7} /* Save old context (R8-R11) */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
SVC_Next:
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R0,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
ADDS R0,R0,#16 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */
MOV R8,R4
MOV R9,R5
MOV R10,R6
MOV R11,R7
MSR PSP,R0 /* Write PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */
SVC_Exit:
MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */
MVNS R0,R0
BX R0 /* RETI to Thread Mode, use PSP */
/*------------------- User SVC ------------------------------*/
SVC_User:
PUSH {R4,LR} /* Save Registers */
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done /* Overflow */
LDR R4,=SVC_Table-4
LSLS R1,R1,#2
LDR R4,[R4,R1] /* Load SVC Function Address */
MOV LR,R4
LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */
MOV R12,R4
BLX LR /* Call SVC Function */
MRS R4,PSP /* Read PSP */
STMIA R4!,{R0-R3} /* Function return values */
SVC_Done:
POP {R4,PC} /* RETI */
.fnend
.size SVC_Handler, .-SVC_Handler
/*-------------------------- PendSV_Handler ---------------------------------*/
# void PendSV_Handler (void);
.thumb_func
.type PendSV_Handler, %function
.global PendSV_Handler
.global Sys_Switch
PendSV_Handler:
.fnstart
.cantunwind
BL rt_pop_req
Sys_Switch:
LDR R3,=os_tsk
LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ Sys_Exit /* no task switch */
SUBS R3,#8
MRS R0,PSP /* Read PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
STMIA R0!,{R4-R7} /* Save old context (R4-R7) */
MOV R4,R8
MOV R5,R9
MOV R6,R10
MOV R7,R11
STMIA R0!,{R4-R7} /* Save old context (R8-R11) */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R0,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
ADDS R0,R0,#16 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */
MOV R8,R4
MOV R9,R5
MOV R10,R6
MOV R11,R7
MSR PSP,R0 /* Write PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */
Sys_Exit:
MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */
MVNS R0,R0
BX R0 /* RETI to Thread Mode, use PSP */
.fnend
.size PendSV_Handler, .-PendSV_Handler
/*-------------------------- SysTick_Handler --------------------------------*/
# void SysTick_Handler (void);
.thumb_func
.type SysTick_Handler, %function
.global SysTick_Handler
SysTick_Handler:
.fnstart
.cantunwind
BL rt_systick
B Sys_Switch
.fnend
.size SysTick_Handler, .-SysTick_Handler
/*-------------------------- OS_Tick_Handler --------------------------------*/
# void OS_Tick_Handler (void);
.thumb_func
.type OS_Tick_Handler, %function
.global OS_Tick_Handler
OS_Tick_Handler:
.fnstart
.cantunwind
BL os_tick_irqack
BL rt_systick
B Sys_Switch
.fnend
.size OS_Tick_Handler, .-OS_Tick_Handler
.end
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

335
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/GCC/HAL_CM3.S vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM3.S
* Purpose: Hardware Abstraction Layer for Cortex-M3
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
.syntax unified
.equ TCB_TSTACK, 40
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
.thumb
.section ".text"
.align 2
/*--------------------------- rt_set_PSP ------------------------------------*/
# void rt_set_PSP (U32 stack);
.thumb_func
.type rt_set_PSP, %function
.global rt_set_PSP
rt_set_PSP:
.fnstart
.cantunwind
MSR PSP,R0
BX LR
.fnend
.size rt_set_PSP, .-rt_set_PSP
/*--------------------------- rt_get_PSP ------------------------------------*/
# U32 rt_get_PSP (void);
.thumb_func
.type rt_get_PSP, %function
.global rt_get_PSP
rt_get_PSP:
.fnstart
.cantunwind
MRS R0,PSP
BX LR
.fnend
.size rt_get_PSP, .-rt_get_PSP
/*--------------------------- os_set_env ------------------------------------*/
# void os_set_env (void);
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
.thumb_func
.type os_set_env, %function
.global os_set_env
os_set_env:
.fnstart
.cantunwind
MOV R0,SP /* PSP = MSP */
MSR PSP,R0
LDR R0,=os_flags
LDRB R0,[R0]
LSLS R0,#31
ITE NE
MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
.fnend
.size os_set_env, .-os_set_env
/*--------------------------- _alloc_box ------------------------------------*/
# void *_alloc_box (void *box_mem);
/* Function wrapper for Unprivileged/Privileged mode. */
.thumb_func
.type _alloc_box, %function
.global _alloc_box
_alloc_box:
.fnstart
.cantunwind
LDR R12,=rt_alloc_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
.fnend
.size _alloc_box, .-_alloc_box
/*--------------------------- _free_box -------------------------------------*/
# U32 _free_box (void *box_mem, void *box);
/* Function wrapper for Unprivileged/Privileged mode. */
.thumb_func
.type _free_box, %function
.global _free_box
_free_box:
.fnstart
.cantunwind
LDR R12,=rt_free_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
.fnend
.size _free_box, .-_free_box
/*-------------------------- SVC_Handler ------------------------------------*/
# void SVC_Handler (void);
.thumb_func
.type SVC_Handler, %function
.global SVC_Handler
SVC_Handler:
.ifdef IFX_XMC4XXX
.global SVC_Handler_Veneer
SVC_Handler_Veneer:
.endif
.fnstart
.cantunwind
MRS R0,PSP /* Read PSP */
LDR R1,[R0,#24] /* Read Saved PC from Stack */
LDRB R1,[R1,#-2] /* Load SVC Number */
CBNZ R1,SVC_User
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
BLX R12 /* Call SVC Function */
MRS R12,PSP /* Read PSP */
STM R12,{R0-R2} /* Store return values */
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ SVC_Exit /* no task switch */
CBZ R1,SVC_Next /* Runtask deleted? */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
SVC_Next:
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
MSR PSP,R12 /* Write PSP */
SVC_Exit:
MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */
.ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
.else
BX LR
.endif
/*------------------- User SVC ------------------------------*/
SVC_User:
PUSH {R4,LR} /* Save Registers */
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done /* Overflow */
LDR R4,=SVC_Table-4
LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
BLX R4 /* Call SVC Function */
MRS R12,PSP
STM R12,{R0-R3} /* Function return values */
SVC_Done:
POP {R4,PC} /* RETI */
.fnend
.size SVC_Handler, .-SVC_Handler
/*-------------------------- PendSV_Handler ---------------------------------*/
# void PendSV_Handler (void);
.thumb_func
.type PendSV_Handler, %function
.global PendSV_Handler
.global Sys_Switch
PendSV_Handler:
.ifdef IFX_XMC4XXX
.global PendSV_Handler_Veneer
PendSV_Handler_Veneer:
.endif
.fnstart
.cantunwind
BL rt_pop_req
Sys_Switch:
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ Sys_Exit
MRS R12,PSP /* Read PSP */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
MSR PSP,R12 /* Write PSP */
Sys_Exit:
MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */
.ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
.else
BX LR /* Return to Thread Mode */
.endif
.fnend
.size PendSV_Handler, .-PendSV_Handler
/*-------------------------- SysTick_Handler --------------------------------*/
# void SysTick_Handler (void);
.thumb_func
.type SysTick_Handler, %function
.global SysTick_Handler
SysTick_Handler:
.ifdef IFX_XMC4XXX
.global SysTick_Handler_Veneer
SysTick_Handler_Veneer:
.endif
.fnstart
.cantunwind
BL rt_systick
B Sys_Switch
.fnend
.size SysTick_Handler, .-SysTick_Handler
/*-------------------------- OS_Tick_Handler --------------------------------*/
# void OS_Tick_Handler (void);
.thumb_func
.type OS_Tick_Handler, %function
.global OS_Tick_Handler
OS_Tick_Handler:
.fnstart
.cantunwind
BL os_tick_irqack
BL rt_systick
B Sys_Switch
.fnend
.size OS_Tick_Handler, .-OS_Tick_Handler
.end
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

389
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/GCC/HAL_CM4.S vendored Normal file
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@@ -0,0 +1,389 @@
/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM4.S
* Purpose: Hardware Abstraction Layer for Cortex-M4
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
.syntax unified
.equ TCB_STACKF, 37
.equ TCB_TSTACK, 40
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
.thumb
.section ".text"
.align 2
/*--------------------------- rt_set_PSP ------------------------------------*/
# void rt_set_PSP (U32 stack);
.thumb_func
.type rt_set_PSP, %function
.global rt_set_PSP
rt_set_PSP:
.fnstart
.cantunwind
MSR PSP,R0
BX LR
.fnend
.size rt_set_PSP, .-rt_set_PSP
/*--------------------------- rt_get_PSP ------------------------------------*/
# U32 rt_get_PSP (void);
.thumb_func
.type rt_get_PSP, %function
.global rt_get_PSP
rt_get_PSP:
.fnstart
.cantunwind
MRS R0,PSP
BX LR
.fnend
.size rt_get_PSP, .-rt_get_PSP
/*--------------------------- os_set_env ------------------------------------*/
# void os_set_env (void);
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
.thumb_func
.type os_set_env, %function
.global os_set_env
os_set_env:
.fnstart
.cantunwind
MOV R0,SP /* PSP = MSP */
MSR PSP,R0
LDR R0,=os_flags
LDRB R0,[R0]
LSLS R0,#31
ITE NE
MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
.fnend
.size os_set_env, .-os_set_env
/*--------------------------- _alloc_box ------------------------------------*/
# void *_alloc_box (void *box_mem);
/* Function wrapper for Unprivileged/Privileged mode. */
.thumb_func
.type _alloc_box, %function
.global _alloc_box
_alloc_box:
.fnstart
.cantunwind
LDR R12,=rt_alloc_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
.fnend
.size _alloc_box, .-_alloc_box
/*--------------------------- _free_box -------------------------------------*/
# U32 _free_box (void *box_mem, void *box);
/* Function wrapper for Unprivileged/Privileged mode. */
.thumb_func
.type _free_box, %function
.global _free_box
_free_box:
.fnstart
.cantunwind
LDR R12,=rt_free_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
.fnend
.size _free_box, .-_free_box
/*-------------------------- SVC_Handler ------------------------------------*/
# void SVC_Handler (void);
.thumb_func
.type SVC_Handler, %function
.global SVC_Handler
SVC_Handler:
.ifdef IFX_XMC4XXX
.global SVC_Handler_Veneer
SVC_Handler_Veneer:
.endif
.fnstart
.cantunwind
MRS R0,PSP /* Read PSP */
LDR R1,[R0,#24] /* Read Saved PC from Stack */
LDRB R1,[R1,#-2] /* Load SVC Number */
CBNZ R1,SVC_User
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
PUSH {R4,LR} /* Save EXC_RETURN */
BLX R12 /* Call SVC Function */
POP {R4,LR} /* Restore EXC_RETURN */
MRS R12,PSP /* Read PSP */
STM R12,{R0-R2} /* Store return values */
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
.ifdef IFX_XMC4XXX
ITT EQ
PUSHEQ {LR}
POPEQ {PC}
.else
IT EQ
BXEQ LR /* RETI, no task switch */
.endif
CBNZ R1,SVC_ContextSave /* Runtask not deleted? */
TST LR,#0x10 /* is it extended frame? */
BNE SVC_ContextRestore
LDR R1,=0xE000EF34
LDR R0,[R1] /* Load FPCCR */
BIC R0,#1 /* Clear LSPACT (Lazy state) */
STR R0,[R1] /* Store FPCCR */
B SVC_ContextRestore
SVC_ContextSave:
TST LR,#0x10 /* is it extended frame? */
ITTE EQ
VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
SVC_ContextRestore:
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
CMP R0,#0 /* Basic/Extended Stack Frame */
ITEE EQ
MVNEQ LR,#~0xFFFFFFFD /* set EXC_RETURN value */
MVNNE LR,#~0xFFFFFFED
VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
MSR PSP,R12 /* Write PSP */
SVC_Exit:
.ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
.else
BX LR
.endif
/*------------------- User SVC ------------------------------*/
SVC_User:
PUSH {R4,LR} /* Save Registers */
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done /* Overflow */
LDR R4,=SVC_Table-4
LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
BLX R4 /* Call SVC Function */
MRS R12,PSP
STM R12,{R0-R3} /* Function return values */
SVC_Done:
POP {R4,PC} /* RETI */
.fnend
.size SVC_Handler, .-SVC_Handler
/*-------------------------- PendSV_Handler ---------------------------------*/
# void PendSV_Handler (void);
.thumb_func
.type PendSV_Handler, %function
.global PendSV_Handler
.global Sys_Switch
PendSV_Handler:
.ifdef IFX_XMC4XXX
.global PendSV_Handler_Veneer
PendSV_Handler_Veneer:
.endif
.fnstart
.cantunwind
PUSH {R4,LR} /* Save EXC_RETURN */
BL rt_pop_req
Sys_Switch:
POP {R4,LR} /* Restore EXC_RETURN */
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
.ifdef IFX_XMC4XXX
ITT EQ
PUSHEQ {LR}
POPEQ {PC}
.else
IT EQ
BXEQ LR /* RETI, no task switch */
.endif
MRS R12,PSP /* Read PSP */
TST LR,#0x10 /* is it extended frame? */
ITTE EQ
VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
CMP R0,#0 /* Basic/Extended Stack Frame */
ITEE EQ
MVNEQ LR,#~0xFFFFFFFD /* set EXC_RETURN value */
MVNNE LR,#~0xFFFFFFED
VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
MSR PSP,R12 /* Write PSP */
Sys_Exit:
.ifdef IFX_XMC4XXX
PUSH {LR}
POP {PC}
.else
BX LR /* Return to Thread Mode */
.endif
.fnend
.size PendSV_Handler, .-PendSV_Handler
/*-------------------------- SysTick_Handler --------------------------------*/
# void SysTick_Handler (void);
.thumb_func
.type SysTick_Handler, %function
.global SysTick_Handler
SysTick_Handler:
.ifdef IFX_XMC4XXX
.global SysTick_Handler_Veneer
SysTick_Handler_Veneer:
.endif
.fnstart
.cantunwind
PUSH {R4,LR} /* Save EXC_RETURN */
BL rt_systick
B Sys_Switch
.fnend
.size SysTick_Handler, .-SysTick_Handler
/*-------------------------- OS_Tick_Handler --------------------------------*/
# void OS_Tick_Handler (void);
.thumb_func
.type OS_Tick_Handler, %function
.global OS_Tick_Handler
OS_Tick_Handler:
.fnstart
.cantunwind
PUSH {R4,LR} /* Save EXC_RETURN */
BL os_tick_irqack
BL rt_systick
B Sys_Switch
.fnend
.size OS_Tick_Handler, .-OS_Tick_Handler
.end
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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44
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/GCC/SVC_Table.S vendored Normal file
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;/*----------------------------------------------------------------------------
; * CMSIS-RTOS - RTX
; *----------------------------------------------------------------------------
; * Name: SVC_TABLE.S
; * Purpose: Pre-defined SVC Table for Cortex-M
; * Rev.: V4.70
; *----------------------------------------------------------------------------
; *
; * Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
; *
; * SPDX-License-Identifier: Apache-2.0
; *
; * Licensed under the Apache License, Version 2.0 (the License); you may
; * not use this file except in compliance with the License.
; * You may obtain a copy of the License at
; *
; * www.apache.org/licenses/LICENSE-2.0
; *
; * Unless required by applicable law or agreed to in writing, software
; * distributed under the License is distributed on an AS IS BASIS, WITHOUT
; * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; * See the License for the specific language governing permissions and
; * limitations under the License.
; *---------------------------------------------------------------------------*/
.section ".svc_table"
.global SVC_Table
SVC_Table:
/* Insert user SVC functions here. SVC 0 used by RTL Kernel. */
# .long __SVC_1 /* user SVC function */
SVC_End:
.global SVC_Count
SVC_Count:
.long (SVC_End-SVC_Table)/4
.end
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

171
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/HAL_CM.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM.C
* Purpose: Hardware Abstraction Layer for Cortex-M
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
#ifdef DBG_MSG
BIT dbg_msg;
#endif
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_init_stack ---------------------------------*/
void rt_init_stack (P_TCB p_TCB, FUNCP task_body) {
/* Prepare TCB and saved context for a first time start of a task. */
U32 *stk,i,size;
/* Prepare a complete interrupt frame for first task start */
size = p_TCB->priv_stack >> 2;
if (size == 0U) {
size = (U16)os_stackinfo >> 2;
}
/* Write to the top of stack. */
stk = &p_TCB->stack[size];
/* Auto correct to 8-byte ARM stack alignment. */
if ((U32)stk & 0x04U) {
stk--;
}
stk -= 16;
/* Default xPSR and initial PC */
stk[15] = INITIAL_xPSR;
stk[14] = (U32)task_body;
/* Clear R4-R11,R0-R3,R12,LR registers. */
for (i = 0U; i < 14U; i++) {
stk[i] = 0U;
}
/* Assign a void pointer to R0. */
stk[8] = (U32)p_TCB->msg;
/* Initial Task stack pointer. */
p_TCB->tsk_stack = (U32)stk;
/* Task entry point. */
p_TCB->ptask = task_body;
/* Initialize stack with magic pattern. */
if (os_stackinfo & 0x10000000U) {
if (size > (16U+1U)) {
for (i = ((size - 16U)/2U) - 1U; i; i--) {
stk -= 2U;
stk[1] = MAGIC_PATTERN;
stk[0] = MAGIC_PATTERN;
}
if (--stk > p_TCB->stack) {
*stk = MAGIC_PATTERN;
}
}
}
/* Set a magic word for checking of stack overflow. */
p_TCB->stack[0] = MAGIC_WORD;
}
/*--------------------------- rt_ret_val ----------------------------------*/
static __inline U32 *rt_ret_regs (P_TCB p_TCB) {
/* Get pointer to task return value registers (R0..R3) in Stack */
#if defined(__TARGET_FPU_VFP)
if (p_TCB->stack_frame) {
/* Extended Stack Frame: R4-R11,S16-S31,R0-R3,R12,LR,PC,xPSR,S0-S15,FPSCR */
return (U32 *)(p_TCB->tsk_stack + (8U*4U) + (16U*4U));
} else {
/* Basic Stack Frame: R4-R11,R0-R3,R12,LR,PC,xPSR */
return (U32 *)(p_TCB->tsk_stack + (8U*4U));
}
#else
/* Stack Frame: R4-R11,R0-R3,R12,LR,PC,xPSR */
return (U32 *)(p_TCB->tsk_stack + (8U*4U));
#endif
}
void rt_ret_val (P_TCB p_TCB, U32 v0) {
U32 *ret;
ret = rt_ret_regs(p_TCB);
ret[0] = v0;
}
void rt_ret_val2(P_TCB p_TCB, U32 v0, U32 v1) {
U32 *ret;
ret = rt_ret_regs(p_TCB);
ret[0] = v0;
ret[1] = v1;
}
/*--------------------------- dbg_init --------------------------------------*/
#ifdef DBG_MSG
void dbg_init (void) {
if (((DEMCR & DEMCR_TRCENA) != 0U) &&
((ITM_CONTROL & ITM_ITMENA) != 0U) &&
((ITM_ENABLE & (1UL << 31)) != 0U)) {
dbg_msg = __TRUE;
}
}
#endif
/*--------------------------- dbg_task_notify -------------------------------*/
#ifdef DBG_MSG
void dbg_task_notify (P_TCB p_tcb, BOOL create) {
while (ITM_PORT31_U32 == 0U);
ITM_PORT31_U32 = (U32)p_tcb->ptask;
while (ITM_PORT31_U32 == 0U);
ITM_PORT31_U16 = (U16)((create << 8) | p_tcb->task_id);
}
#endif
/*--------------------------- dbg_task_switch -------------------------------*/
#ifdef DBG_MSG
void dbg_task_switch (U32 task_id) {
while (ITM_PORT31_U32 == 0U);
ITM_PORT31_U8 = (U8)task_id;
}
#endif
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

303
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/IAR/HAL_CM0.s vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM0.S
* Purpose: Hardware Abstraction Layer for Cortex-M0
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
NAME HAL_CM0.S
#define TCB_TSTACK 40
EXTERN os_flags
EXTERN os_tsk
EXTERN rt_alloc_box
EXTERN rt_free_box
EXTERN rt_stk_check
EXTERN rt_pop_req
EXTERN rt_systick
EXTERN os_tick_irqack
EXTERN SVC_Table
EXTERN SVC_Count
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
SECTION .text:CODE:NOROOT(2)
THUMB
/*--------------------------- rt_set_PSP ------------------------------------*/
; void rt_set_PSP (U32 stack);
PUBLIC rt_set_PSP
rt_set_PSP:
MSR PSP,R0
BX LR
/*--------------------------- rt_get_PSP ------------------------------------*/
; U32 rt_get_PSP (void);
PUBLIC rt_get_PSP
rt_get_PSP:
MRS R0,PSP
BX LR
/*--------------------------- os_set_env ------------------------------------*/
; void os_set_env (void);
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
PUBLIC os_set_env
os_set_env:
MOV R0,SP /* PSP = MSP */
MSR PSP,R0
LDR R0,=os_flags
LDRB R0,[R0]
LSLS R0,#31
BNE PrivilegedE
MOVS R0,#0x03 /* Unprivileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
PrivilegedE:
MOVS R0,#0x02 /* Privileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
/*--------------------------- _alloc_box ------------------------------------*/
; void *_alloc_box (void *box_mem);
/* Function wrapper for Unprivileged/Privileged mode. */
PUBLIC _alloc_box
_alloc_box:
LDR R3,=rt_alloc_box
MOV R12,R3
MRS R3,IPSR
LSLS R3,#24
BNE PrivilegedA
MRS R3,CONTROL
LSLS R3,#31
BEQ PrivilegedA
SVC 0
BX LR
PrivilegedA:
BX R12
/*--------------------------- _free_box -------------------------------------*/
; U32 _free_box (void *box_mem, void *box);
/* Function wrapper for Unprivileged/Privileged mode. */
PUBLIC _free_box
_free_box:
LDR R3,=rt_free_box
MOV R12,R3
MRS R3,IPSR
LSLS R3,#24
BNE PrivilegedF
MRS R3,CONTROL
LSLS R3,#31
BEQ PrivilegedF
SVC 0
BX LR
PrivilegedF:
BX R12
/*-------------------------- SVC_Handler ------------------------------------*/
; void SVC_Handler (void);
PUBLIC SVC_Handler
SVC_Handler:
MRS R0,PSP /* Read PSP */
LDR R1,[R0,#24] /* Read Saved PC from Stack */
SUBS R1,R1,#2 /* Point to SVC Instruction */
LDRB R1,[R1] /* Load SVC Number */
CMP R1,#0
BNE SVC_User /* User SVC Number > 0 */
MOV LR,R4
LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */
MOV R12,R4
MOV R4,LR
BLX R12 /* Call SVC Function */
MRS R3,PSP /* Read PSP */
STMIA R3!,{R0-R2} /* Store return values */
LDR R3,=os_tsk
LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ SVC_Exit /* no task switch */
SUBS R3,#8
CMP R1,#0 /* Runtask deleted? */
BEQ SVC_Next
MRS R0,PSP /* Read PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
STMIA R0!,{R4-R7} /* Save old context (R4-R7) */
MOV R4,R8
MOV R5,R9
MOV R6,R10
MOV R7,R11
STMIA R0!,{R4-R7} /* Save old context (R8-R11) */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
SVC_Next:
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R0,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
ADDS R0,R0,#16 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */
MOV R8,R4
MOV R9,R5
MOV R10,R6
MOV R11,R7
MSR PSP,R0 /* Write PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */
SVC_Exit:
MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */
MVNS R0,R0
BX R0 /* RETI to Thread Mode, use PSP */
/*------------------- User SVC ------------------------------*/
SVC_User:
PUSH {R4,LR} /* Save Registers */
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done /* Overflow */
LDR R4,=SVC_Table-4
LSLS R1,R1,#2
LDR R4,[R4,R1] /* Load SVC Function Address */
MOV LR,R4
LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */
MOV R12,R4
BLX LR /* Call SVC Function */
MRS R4,PSP /* Read PSP */
STMIA R4!,{R0-R3} /* Function return values */
SVC_Done:
POP {R4,PC} /* RETI */
/*-------------------------- PendSV_Handler ---------------------------------*/
; void PendSV_Handler (void);
PUBLIC PendSV_Handler
PendSV_Handler:
BL rt_pop_req
Sys_Switch:
LDR R3,=os_tsk
LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ Sys_Exit /* no task switch */
SUBS R3,#8
MRS R0,PSP /* Read PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
STMIA R0!,{R4-R7} /* Save old context (R4-R7) */
MOV R4,R8
MOV R5,R9
MOV R6,R10
MOV R7,R11
STMIA R0!,{R4-R7} /* Save old context (R8-R11) */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R0,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
ADDS R0,R0,#16 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */
MOV R8,R4
MOV R9,R5
MOV R10,R6
MOV R11,R7
MSR PSP,R0 /* Write PSP */
SUBS R0,R0,#32 /* Adjust Start Address */
LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */
Sys_Exit:
MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */
MVNS R0,R0
BX R0 /* RETI to Thread Mode, use PSP */
/*-------------------------- SysTick_Handler --------------------------------*/
; void SysTick_Handler (void);
PUBLIC SysTick_Handler
SysTick_Handler:
BL rt_systick
B Sys_Switch
/*-------------------------- OS_Tick_Handler --------------------------------*/
; void OS_Tick_Handler (void);
PUBLIC OS_Tick_Handler
OS_Tick_Handler:
BL os_tick_irqack
BL rt_systick
B Sys_Switch
END
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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external/CMSIS_5/CMSIS/RTOS/RTX/SRC/IAR/HAL_CM3.s vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM3.S
* Purpose: Hardware Abstraction Layer for Cortex-M3
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
NAME HAL_CM3.S
#define TCB_TSTACK 40
EXTERN os_flags
EXTERN os_tsk
EXTERN rt_alloc_box
EXTERN rt_free_box
EXTERN rt_stk_check
EXTERN rt_pop_req
EXTERN rt_systick
EXTERN os_tick_irqack
EXTERN SVC_Table
EXTERN SVC_Count
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
SECTION .text:CODE:NOROOT(2)
THUMB
/*--------------------------- rt_set_PSP ------------------------------------*/
; void rt_set_PSP (U32 stack);
PUBLIC rt_set_PSP
rt_set_PSP:
MSR PSP,R0
BX LR
/*--------------------------- rt_get_PSP ------------------------------------*/
; U32 rt_get_PSP (void);
PUBLIC rt_get_PSP
rt_get_PSP:
MRS R0,PSP
BX LR
/*--------------------------- os_set_env ------------------------------------*/
; void os_set_env (void);
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
PUBLIC os_set_env
os_set_env:
MOV R0,SP /* PSP = MSP */
MSR PSP,R0
LDR R0,=os_flags
LDRB R0,[R0]
LSLS R0,#31
ITE NE
MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
/*--------------------------- _alloc_box ------------------------------------*/
; void *_alloc_box (void *box_mem);
/* Function wrapper for Unprivileged/Privileged mode. */
PUBLIC _alloc_box
_alloc_box:
LDR R12,=rt_alloc_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
/*--------------------------- _free_box -------------------------------------*/
; U32 _free_box (void *box_mem, void *box);
/* Function wrapper for Unprivileged/Privileged mode. */
PUBLIC _free_box
_free_box:
LDR R12,=rt_free_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
/*-------------------------- SVC_Handler ------------------------------------*/
; void SVC_Handler (void);
PUBLIC SVC_Handler
SVC_Handler:
MRS R0,PSP /* Read PSP */
LDR R1,[R0,#24] /* Read Saved PC from Stack */
LDRB R1,[R1,#-2] /* Load SVC Number */
CBNZ R1,SVC_User
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
BLX R12 /* Call SVC Function */
MRS R12,PSP /* Read PSP */
STM R12,{R0-R2} /* Store return values */
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ SVC_Exit /* no task switch */
CBZ R1,SVC_Next /* Runtask deleted? */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
SVC_Next:
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
MSR PSP,R12 /* Write PSP */
SVC_Exit:
MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */
BX LR
/*------------------- User SVC ------------------------------*/
SVC_User:
PUSH {R4,LR} /* Save Registers */
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done /* Overflow */
LDR R4,=SVC_Table-4
LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
BLX R4 /* Call SVC Function */
MRS R12,PSP
STM R12,{R0-R3} /* Function return values */
SVC_Done:
POP {R4,PC} /* RETI */
/*-------------------------- PendSV_Handler ---------------------------------*/
; void PendSV_Handler (void);
PUBLIC PendSV_Handler
PendSV_Handler:
BL rt_pop_req
Sys_Switch:
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
BEQ Sys_Exit
MRS R12,PSP /* Read PSP */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
MSR PSP,R12 /* Write PSP */
Sys_Exit:
MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */
BX LR /* Return to Thread Mode */
/*-------------------------- SysTick_Handler --------------------------------*/
; void SysTick_Handler (void);
PUBLIC SysTick_Handler
SysTick_Handler:
BL rt_systick
B Sys_Switch
/*-------------------------- OS_Tick_Handler --------------------------------*/
; void OS_Tick_Handler (void);
PUBLIC OS_Tick_Handler
OS_Tick_Handler:
BL os_tick_irqack
BL rt_systick
B Sys_Switch
END
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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external/CMSIS_5/CMSIS/RTOS/RTX/SRC/IAR/HAL_CM4.s vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: HAL_CM4.S
* Purpose: Hardware Abstraction Layer for Cortex-M4
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
NAME HAL_CM4.S
#define TCB_STACKF 37
#define TCB_TSTACK 40
EXTERN os_flags
EXTERN os_tsk
EXTERN rt_alloc_box
EXTERN rt_free_box
EXTERN rt_stk_check
EXTERN rt_pop_req
EXTERN rt_systick
EXTERN os_tick_irqack
EXTERN SVC_Table
EXTERN SVC_Count
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
SECTION .text:CODE:NOROOT(2)
THUMB
/*--------------------------- rt_set_PSP ------------------------------------*/
; void rt_set_PSP (U32 stack);
PUBLIC rt_set_PSP
rt_set_PSP:
MSR PSP,R0
BX LR
/*--------------------------- rt_get_PSP ------------------------------------*/
; U32 rt_get_PSP (void);
PUBLIC rt_get_PSP
rt_get_PSP:
MRS R0,PSP
BX LR
/*--------------------------- os_set_env ------------------------------------*/
; void os_set_env (void);
/* Switch to Unprivileged/Privileged Thread mode, use PSP. */
PUBLIC os_set_env
os_set_env:
MOV R0,SP /* PSP = MSP */
MSR PSP,R0
LDR R0,=os_flags
LDRB R0,[R0]
LSLS R0,#31
ITE NE
MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
MSR CONTROL,R0
BX LR
/*--------------------------- _alloc_box ------------------------------------*/
; void *_alloc_box (void *box_mem);
/* Function wrapper for Unprivileged/Privileged mode. */
PUBLIC _alloc_box
_alloc_box:
LDR R12,=rt_alloc_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
/*--------------------------- _free_box -------------------------------------*/
; U32 _free_box (void *box_mem, void *box);
/* Function wrapper for Unprivileged/Privileged mode. */
PUBLIC _free_box
_free_box:
LDR R12,=rt_free_box
MRS R3,IPSR
LSLS R3,#24
IT NE
BXNE R12
MRS R3,CONTROL
LSLS R3,#31
IT EQ
BXEQ R12
SVC 0
BX LR
/*-------------------------- SVC_Handler ------------------------------------*/
; void SVC_Handler (void);
PUBLIC SVC_Handler
SVC_Handler:
MRS R0,PSP /* Read PSP */
LDR R1,[R0,#24] /* Read Saved PC from Stack */
LDRB R1,[R1,#-2] /* Load SVC Number */
CBNZ R1,SVC_User
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
PUSH {R4,LR} /* Save EXC_RETURN */
BLX R12 /* Call SVC Function */
POP {R4,LR} /* Restore EXC_RETURN */
MRS R12,PSP /* Read PSP */
STM R12,{R0-R2} /* Store return values */
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
IT EQ
BXEQ LR /* RETI, no task switch */
CBNZ R1,SVC_ContextSave /* Runtask not deleted? */
TST LR,#0x10 /* is it extended frame? */
BNE SVC_ContextRestore
LDR R1,=0xE000EF34
LDR R0,[R1] /* Load FPCCR */
BIC R0,R0,#1 /* Clear LSPACT (Lazy state) */
STR R0,[R1] /* Store FPCCR */
B SVC_ContextRestore
SVC_ContextSave:
TST LR,#0x10 /* is it extended frame? */
ITTE EQ
VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
SVC_ContextRestore:
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
CMP R0,#0 /* Basic/Extended Stack Frame */
ITEE EQ
MVNEQ LR,#~0xFFFFFFFD /* set EXC_RETURN value */
MVNNE LR,#~0xFFFFFFED
VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
MSR PSP,R12 /* Write PSP */
SVC_Exit:
BX LR
/*------------------- User SVC ------------------------------*/
SVC_User:
PUSH {R4,LR} /* Save Registers */
LDR R2,=SVC_Count
LDR R2,[R2]
CMP R1,R2
BHI SVC_Done /* Overflow */
LDR R4,=SVC_Table-4
LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
BLX R4 /* Call SVC Function */
MRS R12,PSP
STM R12,{R0-R3} /* Function return values */
SVC_Done:
POP {R4,PC} /* RETI */
/*-------------------------- PendSV_Handler ---------------------------------*/
; void PendSV_Handler (void);
PUBLIC PendSV_Handler
PendSV_Handler:
PUSH {R4,LR} /* Save EXC_RETURN */
BL rt_pop_req
Sys_Switch:
POP {R4,LR} /* Restore EXC_RETURN */
LDR R3,=os_tsk
LDM R3,{R1,R2} /* os_tsk.run, os_tsk.next */
CMP R1,R2
IT EQ
BXEQ LR /* RETI, no task switch */
MRS R12,PSP /* Read PSP */
TST LR,#0x10 /* is it extended frame? */
ITTE EQ
VSTMDBEQ R12!,{S16-S31} /* yes, stack also VFP hi-regs */
MOVEQ R0,#0x01 /* os_tsk->stack_frame val */
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] /* os_tsk.run->stack_frame = val */
STMDB R12!,{R4-R11} /* Save Old context */
STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
PUSH {R2,R3}
BL rt_stk_check /* Check for Stack overflow */
POP {R2,R3}
STR R2,[R3] /* os_tsk.run = os_tsk.next */
LDR R12,[R2,#TCB_TSTACK] /* os_tsk.next->tsk_stack */
LDMIA R12!,{R4-R11} /* Restore New Context */
LDRB R0,[R2,#TCB_STACKF] /* Stack Frame */
CMP R0,#0 /* Basic/Extended Stack Frame */
ITEE EQ
MVNEQ LR,#~0xFFFFFFFD /* set EXC_RETURN value */
MVNNE LR,#~0xFFFFFFED
VLDMIANE R12!,{S16-S31} /* restore VFP hi-registers */
MSR PSP,R12 /* Write PSP */
Sys_Exit:
BX LR /* Return to Thread Mode */
/*-------------------------- SysTick_Handler --------------------------------*/
; void SysTick_Handler (void);
PUBLIC SysTick_Handler
SysTick_Handler:
PUSH {R4,LR} /* Save EXC_RETURN */
BL rt_systick
B Sys_Switch
/*-------------------------- OS_Tick_Handler --------------------------------*/
; void OS_Tick_Handler (void);
PUBLIC OS_Tick_Handler
OS_Tick_Handler:
PUSH {R4,LR} /* Save EXC_RETURN */
BL os_tick_irqack
BL rt_systick
B Sys_Switch
END
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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external/CMSIS_5/CMSIS/RTOS/RTX/SRC/IAR/RTX_Lib_CM.ewp vendored Normal file
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35
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/IAR/RTX_Lib_CM.eww vendored Normal file
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@@ -0,0 +1,35 @@
<?xml version="1.0" encoding="UTF-8"?>
<workspace>
<project>
<path>$WS_DIR$\RTX_Lib_CM.ewp</path>
</project>
<batchBuild>
<batchDefinition>
<name>RTX_Lib_CM</name>
<member>
<project>RTX_Lib_CM</project>
<configuration>CM0_LE</configuration>
</member>
<member>
<project>RTX_Lib_CM</project>
<configuration>CM0_BE</configuration>
</member>
<member>
<project>RTX_Lib_CM</project>
<configuration>CM3_LE</configuration>
</member>
<member>
<project>RTX_Lib_CM</project>
<configuration>CM3_BE</configuration>
</member>
<member>
<project>RTX_Lib_CM</project>
<configuration>CM4F_LE</configuration>
</member>
<member>
<project>RTX_Lib_CM</project>
<configuration>CM4F_BE</configuration>
</member>
</batchDefinition>
</batchBuild>
</workspace>

50
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/IAR/SVC_Table.s vendored Normal file
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;/*----------------------------------------------------------------------------
; * CMSIS-RTOS - RTX
; *----------------------------------------------------------------------------
; * Name: SVC_TABLE.S
; * Purpose: Pre-defined SVC Table for Cortex-M
; * Rev.: V4.70
; *----------------------------------------------------------------------------
; *
; * Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH
; * All rights reserved.
; *
; * SPDX-License-Identifier: Apache-2.0
; *
; * Licensed under the Apache License, Version 2.0 (the License); you may
; * not use this file except in compliance with the License.
; * You may obtain a copy of the License at
; *
; * www.apache.org/licenses/LICENSE-2.0
; *
; * Unless required by applicable law or agreed to in writing, software
; * distributed under the License is distributed on an AS IS BASIS, WITHOUT
; * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; * See the License for the specific language governing permissions and
; * limitations under the License.
; *---------------------------------------------------------------------------*/
NAME SVC_TABLE
SECTION .text:CONST (2)
PUBLIC SVC_Count
SVC_Cnt EQU (SVC_End-SVC_Table)/4
SVC_Count DCD SVC_Cnt
; Import user SVC functions here.
; IMPORT __SVC_1
PUBLIC SVC_Table
SVC_Table
; Insert user SVC functions here. SVC 0 used by RTL Kernel.
; DCD __SVC_1 ; user SVC function
SVC_End
END
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

71
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/RTX_Config.h vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RTX_CONFIG.H
* Purpose: Exported functions of RTX_Config.c
* Rev.: V4.81
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include <stdint.h>
/* Error Codes */
#define OS_ERR_STK_OVF 1U
#define OS_ERR_FIFO_OVF 2U
#define OS_ERR_MBX_OVF 3U
#define OS_ERR_TIMER_OVF 4U
/* Definitions */
#define BOX_ALIGN_8 0x80000000U
#define _declare_box(pool,size,cnt) U32 pool[(((size)+3)/4)*(cnt) + 3]
#define _declare_box8(pool,size,cnt) U64 pool[(((size)+7)/8)*(cnt) + 2]
#define _init_box8(pool,size,bsize) _init_box (pool,size,(bsize) | BOX_ALIGN_8)
/* Variables */
extern U32 mp_tcb[];
extern U64 mp_stk[];
extern U32 os_fifo[];
extern void *os_active_TCB[];
/* Constants */
extern U16 const os_maxtaskrun;
extern U32 const os_trv;
extern U8 const os_flags;
extern U32 const os_stackinfo;
extern U32 const os_rrobin;
extern U32 const os_clockrate;
extern U32 const os_timernum;
extern U16 const mp_tcb_size;
extern U32 const mp_stk_size;
extern U32 const *m_tmr;
extern U16 const mp_tmr_size;
extern U8 const os_fifo_size;
/* Functions */
extern void os_idle_demon (void);
extern S32 os_tick_init (void);
extern U32 os_tick_val (void);
extern U32 os_tick_ovf (void);
extern void os_tick_irqack (void);
extern void os_tmr_call (U16 info);
extern void os_error (uint32_t err_code);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

2180
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_CMSIS.c vendored Normal file
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181
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Event.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_EVENT.C
* Purpose: Implements waits and wake-ups for event flags
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_Event.h"
#include "rt_List.h"
#include "rt_Task.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_evt_wait -----------------------------------*/
OS_RESULT rt_evt_wait (U16 wait_flags, U16 timeout, BOOL and_wait) {
/* Wait for one or more event flags with optional time-out. */
/* "wait_flags" identifies the flags to wait for. */
/* "timeout" is the time-out limit in system ticks (0xffff if no time-out) */
/* "and_wait" specifies the AND-ing of "wait_flags" as condition to be met */
/* to complete the wait. (OR-ing if set to 0). */
U32 block_state;
if (and_wait) {
/* Check for AND-connected events */
if ((os_tsk.run->events & wait_flags) == wait_flags) {
os_tsk.run->events &= ~wait_flags;
return (OS_R_EVT);
}
block_state = WAIT_AND;
}
else {
/* Check for OR-connected events */
if (os_tsk.run->events & wait_flags) {
os_tsk.run->waits = os_tsk.run->events & wait_flags;
os_tsk.run->events &= ~wait_flags;
return (OS_R_EVT);
}
block_state = WAIT_OR;
}
/* Task has to wait */
os_tsk.run->waits = wait_flags;
rt_block (timeout, (U8)block_state);
return (OS_R_TMO);
}
/*--------------------------- rt_evt_set ------------------------------------*/
void rt_evt_set (U16 event_flags, OS_TID task_id) {
/* Set one or more event flags of a selectable task. */
P_TCB p_tcb;
p_tcb = os_active_TCB[task_id-1U];
if (p_tcb == NULL) {
return;
}
p_tcb->events |= event_flags;
event_flags = p_tcb->waits;
/* If the task is not waiting for an event, it should not be put */
/* to ready state. */
if (p_tcb->state == WAIT_AND) {
/* Check for AND-connected events */
if ((p_tcb->events & event_flags) == event_flags) {
goto wkup;
}
}
if (p_tcb->state == WAIT_OR) {
/* Check for OR-connected events */
if (p_tcb->events & event_flags) {
p_tcb->waits &= p_tcb->events;
wkup: p_tcb->events &= ~event_flags;
rt_rmv_dly (p_tcb);
p_tcb->state = READY;
#ifdef __CMSIS_RTOS
rt_ret_val2(p_tcb, 0x08U/*osEventSignal*/, p_tcb->waits);
#else
rt_ret_val (p_tcb, OS_R_EVT);
#endif
rt_dispatch (p_tcb);
}
}
}
/*--------------------------- rt_evt_clr ------------------------------------*/
void rt_evt_clr (U16 clear_flags, OS_TID task_id) {
/* Clear one or more event flags (identified by "clear_flags") of a */
/* selectable task (identified by "task"). */
P_TCB task = os_active_TCB[task_id-1U];
if (task == NULL) {
return;
}
task->events &= ~clear_flags;
}
/*--------------------------- isr_evt_set -----------------------------------*/
void isr_evt_set (U16 event_flags, OS_TID task_id) {
/* Same function as "os_evt_set", but to be called by ISRs. */
P_TCB p_tcb = os_active_TCB[task_id-1U];
if (p_tcb == NULL) {
return;
}
rt_psq_enq (p_tcb, event_flags);
rt_psh_req ();
}
/*--------------------------- rt_evt_get ------------------------------------*/
U16 rt_evt_get (void) {
/* Get events of a running task after waiting for OR connected events. */
return (os_tsk.run->waits);
}
/*--------------------------- rt_evt_psh ------------------------------------*/
void rt_evt_psh (P_TCB p_CB, U16 set_flags) {
/* Check if task has to be waken up */
U16 event_flags;
p_CB->events |= set_flags;
event_flags = p_CB->waits;
if (p_CB->state == WAIT_AND) {
/* Check for AND-connected events */
if ((p_CB->events & event_flags) == event_flags) {
goto rdy;
}
}
if (p_CB->state == WAIT_OR) {
/* Check for OR-connected events */
if (p_CB->events & event_flags) {
p_CB->waits &= p_CB->events;
rdy: p_CB->events &= ~event_flags;
rt_rmv_dly (p_CB);
p_CB->state = READY;
#ifdef __CMSIS_RTOS
rt_ret_val2(p_CB, 0x08U/*osEventSignal*/, p_CB->waits);
#else
rt_ret_val (p_CB, OS_R_EVT);
#endif
rt_put_prio (&os_rdy, p_CB);
}
}
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

36
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Event.h vendored Normal file
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@@ -0,0 +1,36 @@
/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_EVENT.H
* Purpose: Implements waits and wake-ups for event flags
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Functions */
extern OS_RESULT rt_evt_wait (U16 wait_flags, U16 timeout, BOOL and_wait);
extern void rt_evt_set (U16 event_flags, OS_TID task_id);
extern void rt_evt_clr (U16 clear_flags, OS_TID task_id);
extern void isr_evt_set (U16 event_flags, OS_TID task_id);
extern U16 rt_evt_get (void);
extern void rt_evt_psh (P_TCB p_CB, U16 set_flags);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

280
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_HAL_CM.h vendored Normal file
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@@ -0,0 +1,280 @@
/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_HAL_CM.H
* Purpose: Hardware Abstraction Layer for Cortex-M definitions
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Definitions */
#define INITIAL_xPSR 0x01000000U
#define DEMCR_TRCENA 0x01000000U
#define ITM_ITMENA 0x00000001U
#define MAGIC_WORD 0xE25A2EA5U
#define MAGIC_PATTERN 0xCCCCCCCCU
#if defined (__CC_ARM) /* ARM Compiler */
#if ((defined(__TARGET_ARCH_7_M) || defined(__TARGET_ARCH_7E_M)) && !defined(NO_EXCLUSIVE_ACCESS))
#define __USE_EXCLUSIVE_ACCESS
#else
#undef __USE_EXCLUSIVE_ACCESS
#endif
#ifndef __CMSIS_GENERIC
#define __DMB() do {\
__schedule_barrier();\
__dmb(0xF);\
__schedule_barrier();\
} while (0)
#endif
#elif defined (__GNUC__) /* GNU Compiler */
#undef __USE_EXCLUSIVE_ACCESS
#if defined (__CORTEX_M0)
#define __TARGET_ARCH_6S_M
#endif
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
#define __TARGET_FPU_VFP
#endif
#define __inline inline
#define __weak __attribute__((weak))
#ifndef __CMSIS_GENERIC
__attribute__((always_inline)) static inline void __enable_irq(void)
{
__asm volatile ("cpsie i");
}
__attribute__((always_inline)) static inline U32 __disable_irq(void)
{
U32 result;
__asm volatile ("mrs %0, primask" : "=r" (result));
__asm volatile ("cpsid i");
return(result & 1);
}
__attribute__((always_inline)) static inline void __DMB(void)
{
__asm volatile ("dmb 0xF":::"memory");
}
#endif
__attribute__(( always_inline)) static inline U8 __clz(U32 value)
{
U8 result;
__asm volatile ("clz %0, %1" : "=r" (result) : "r" (value));
return(result);
}
#elif defined (__ICCARM__) /* IAR Compiler */
#undef __USE_EXCLUSIVE_ACCESS
#if (__CORE__ == __ARM6M__)
#define __TARGET_ARCH_6S_M 1
#endif
#if defined __ARMVFP__
#define __TARGET_FPU_VFP 1
#endif
#define __inline inline
#ifndef __CMSIS_GENERIC
static inline void __enable_irq(void)
{
__asm volatile ("cpsie i");
}
static inline U32 __disable_irq(void)
{
U32 result;
__asm volatile ("mrs %0, primask" : "=r" (result));
__asm volatile ("cpsid i");
return(result & 1);
}
#endif
static inline U8 __clz(U32 value)
{
U8 result;
__asm volatile ("clz %0, %1" : "=r" (result) : "r" (value));
return(result);
}
#endif
/* NVIC registers */
#define NVIC_ST_CTRL (*((volatile U32 *)0xE000E010U))
#define NVIC_ST_RELOAD (*((volatile U32 *)0xE000E014U))
#define NVIC_ST_CURRENT (*((volatile U32 *)0xE000E018U))
#define NVIC_ISER ((volatile U32 *)0xE000E100U)
#define NVIC_ICER ((volatile U32 *)0xE000E180U)
#if defined(__TARGET_ARCH_6S_M)
#define NVIC_IP ((volatile U32 *)0xE000E400U)
#else
#define NVIC_IP ((volatile U8 *)0xE000E400U)
#endif
#define NVIC_INT_CTRL (*((volatile U32 *)0xE000ED04U))
#define NVIC_AIR_CTRL (*((volatile U32 *)0xE000ED0CU))
#define NVIC_SYS_PRI2 (*((volatile U32 *)0xE000ED1CU))
#define NVIC_SYS_PRI3 (*((volatile U32 *)0xE000ED20U))
#define OS_PEND_IRQ() NVIC_INT_CTRL = (1UL<<28)
#define OS_PENDING ((NVIC_INT_CTRL >> 26) & 5U)
#define OS_UNPEND(fl) NVIC_INT_CTRL = (U32)(fl = (U8)OS_PENDING) << 25
#define OS_PEND(fl,p) NVIC_INT_CTRL = (U32)(fl | (U8)(p<<2)) << 26
#define OS_LOCK() NVIC_ST_CTRL = 0x0005U
#define OS_UNLOCK() NVIC_ST_CTRL = 0x0007U
#define OS_X_PENDING ((NVIC_INT_CTRL >> 28) & 1U)
#define OS_X_UNPEND(fl) NVIC_INT_CTRL = (U32)(fl = (U8)OS_X_PENDING) << 27
#define OS_X_PEND(fl,p) NVIC_INT_CTRL = (U32)(fl | p) << 28
#if defined(__TARGET_ARCH_6S_M)
#define OS_X_INIT(n) NVIC_IP[n>>2] |= (U32)0xFFU << ((n & 0x03U) << 3); \
NVIC_ISER[n>>5] = (U32)1U << (n & 0x1FU)
#else
#define OS_X_INIT(n) NVIC_IP[n] = 0xFFU; \
NVIC_ISER[n>>5] = (U32)1U << (n & 0x1FU)
#endif
#define OS_X_LOCK(n) NVIC_ICER[n>>5] = (U32)1U << (n & 0x1FU)
#define OS_X_UNLOCK(n) NVIC_ISER[n>>5] = (U32)1U << (n & 0x1FU)
/* Core Debug registers */
#define DEMCR (*((volatile U32 *)0xE000EDFCU))
/* ITM registers */
#define ITM_CONTROL (*((volatile U32 *)0xE0000E80U))
#define ITM_ENABLE (*((volatile U32 *)0xE0000E00U))
#define ITM_PORT30_U32 (*((volatile U32 *)0xE0000078U))
#define ITM_PORT31_U32 (*((volatile U32 *)0xE000007CU))
#define ITM_PORT31_U16 (*((volatile U16 *)0xE000007CU))
#define ITM_PORT31_U8 (*((volatile U8 *)0xE000007CU))
/* Variables */
extern BIT dbg_msg;
/* Functions */
#ifdef __USE_EXCLUSIVE_ACCESS
#define rt_inc(p) while(__strex((__ldrex(p)+1U),p))
#define rt_dec(p) while(__strex((__ldrex(p)-1U),p))
#else
#define rt_inc(p) __disable_irq();(*p)++;__enable_irq();
#define rt_dec(p) __disable_irq();(*p)--;__enable_irq();
#endif
__inline static U32 rt_inc_qi (U32 size, U8 *count, U8 *first) {
U32 cnt,c2;
#ifdef __USE_EXCLUSIVE_ACCESS
do {
if ((cnt = __ldrex(count)) == size) {
__clrex();
return (cnt); }
} while (__strex(cnt+1U, count));
do {
c2 = (cnt = __ldrex(first)) + 1U;
if (c2 == size) { c2 = 0U; }
} while (__strex(c2, first));
#else
__disable_irq();
if ((cnt = *count) < size) {
*count = (U8)(cnt+1U);
c2 = (cnt = *first) + 1U;
if (c2 == size) { c2 = 0U; }
*first = (U8)c2;
}
__enable_irq ();
#endif
return (cnt);
}
__inline static void rt_systick_init (void) {
NVIC_ST_RELOAD = os_trv;
NVIC_ST_CURRENT = 0U;
NVIC_ST_CTRL = 0x0007U;
NVIC_SYS_PRI3 |= 0xFF000000U;
}
__inline static U32 rt_systick_val (void) {
return (os_trv - NVIC_ST_CURRENT);
}
__inline static U32 rt_systick_ovf (void) {
return ((NVIC_INT_CTRL >> 26) & 1U);
}
__inline static void rt_svc_init (void) {
#if !defined(__TARGET_ARCH_6S_M)
U32 sh,prigroup;
#endif
NVIC_SYS_PRI3 |= 0x00FF0000U;
#if defined(__TARGET_ARCH_6S_M)
NVIC_SYS_PRI2 |= (NVIC_SYS_PRI3<<(8+1)) & 0xFC000000U;
#else
sh = 8U - __clz(~((NVIC_SYS_PRI3 << 8) & 0xFF000000U));
prigroup = ((NVIC_AIR_CTRL >> 8) & 0x07U);
if (prigroup >= sh) {
sh = prigroup + 1U;
}
NVIC_SYS_PRI2 = ((0xFEFFFFFFU << sh) & 0xFF000000U) | (NVIC_SYS_PRI2 & 0x00FFFFFFU);
#endif
}
extern void rt_set_PSP (U32 stack);
extern U32 rt_get_PSP (void);
extern void os_set_env (void);
extern void *_alloc_box (void *box_mem);
extern U32 _free_box (void *box_mem, void *box);
extern void rt_init_stack (P_TCB p_TCB, FUNCP task_body);
extern void rt_ret_val (P_TCB p_TCB, U32 v0);
extern void rt_ret_val2 (P_TCB p_TCB, U32 v0, U32 v1);
extern void dbg_init (void);
extern void dbg_task_notify (P_TCB p_tcb, BOOL create);
extern void dbg_task_switch (U32 task_id);
#ifdef DBG_MSG
#define DBG_INIT() dbg_init()
#define DBG_TASK_NOTIFY(p_tcb,create) if (dbg_msg) dbg_task_notify(p_tcb,create)
#define DBG_TASK_SWITCH(task_id) if (dbg_msg && (os_tsk.next!=os_tsk.run)) \
dbg_task_switch(task_id)
#else
#define DBG_INIT()
#define DBG_TASK_NOTIFY(p_tcb,create)
#define DBG_TASK_SWITCH(task_id)
#endif
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

309
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_List.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_LIST.C
* Purpose: Functions for the management of different lists
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_List.h"
#include "rt_Task.h"
#include "rt_Time.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
/* List head of chained ready tasks */
struct OS_XCB os_rdy;
/* List head of chained delay tasks */
struct OS_XCB os_dly;
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_put_prio -----------------------------------*/
void rt_put_prio (P_XCB p_CB, P_TCB p_task) {
/* Put task identified with "p_task" into list ordered by priority. */
/* "p_CB" points to head of list; list has always an element at end with */
/* a priority less than "p_task->prio". */
P_TCB p_CB2;
U32 prio;
BOOL sem_mbx = __FALSE;
if ((p_CB->cb_type == SCB) || (p_CB->cb_type == MCB) || (p_CB->cb_type == MUCB)) {
sem_mbx = __TRUE;
}
prio = p_task->prio;
p_CB2 = p_CB->p_lnk;
/* Search for an entry in the list */
while ((p_CB2 != NULL) && (prio <= p_CB2->prio)) {
p_CB = (P_XCB)p_CB2;
p_CB2 = p_CB2->p_lnk;
}
/* Entry found, insert the task into the list */
p_task->p_lnk = p_CB2;
p_CB->p_lnk = p_task;
if (sem_mbx) {
if (p_CB2 != NULL) {
p_CB2->p_rlnk = p_task;
}
p_task->p_rlnk = (P_TCB)p_CB;
}
else {
p_task->p_rlnk = NULL;
}
}
/*--------------------------- rt_get_first ----------------------------------*/
P_TCB rt_get_first (P_XCB p_CB) {
/* Get task at head of list: it is the task with highest priority. */
/* "p_CB" points to head of list. */
P_TCB p_first;
p_first = p_CB->p_lnk;
p_CB->p_lnk = p_first->p_lnk;
if ((p_CB->cb_type == SCB) || (p_CB->cb_type == MCB) || (p_CB->cb_type == MUCB)) {
if (p_first->p_lnk != NULL) {
p_first->p_lnk->p_rlnk = (P_TCB)p_CB;
p_first->p_lnk = NULL;
}
p_first->p_rlnk = NULL;
}
else {
p_first->p_lnk = NULL;
}
return (p_first);
}
/*--------------------------- rt_put_rdy_first ------------------------------*/
void rt_put_rdy_first (P_TCB p_task) {
/* Put task identified with "p_task" at the head of the ready list. The */
/* task must have at least a priority equal to highest priority in list. */
p_task->p_lnk = os_rdy.p_lnk;
p_task->p_rlnk = NULL;
os_rdy.p_lnk = p_task;
}
/*--------------------------- rt_get_same_rdy_prio --------------------------*/
P_TCB rt_get_same_rdy_prio (void) {
/* Remove a task of same priority from ready list if any exists. Other- */
/* wise return NULL. */
P_TCB p_first;
p_first = os_rdy.p_lnk;
if (p_first->prio == os_tsk.run->prio) {
os_rdy.p_lnk = os_rdy.p_lnk->p_lnk;
return (p_first);
}
return (NULL);
}
/*--------------------------- rt_resort_prio --------------------------------*/
void rt_resort_prio (P_TCB p_task) {
/* Re-sort ordered lists after the priority of 'p_task' has changed. */
P_TCB p_CB;
if (p_task->p_rlnk == NULL) {
if (p_task->state == READY) {
/* Task is chained into READY list. */
p_CB = (P_TCB)&os_rdy;
goto res;
}
}
else {
p_CB = p_task->p_rlnk;
while (p_CB->cb_type == TCB) {
/* Find a header of this task chain list. */
p_CB = p_CB->p_rlnk;
}
res:rt_rmv_list (p_task);
rt_put_prio ((P_XCB)p_CB, p_task);
}
}
/*--------------------------- rt_put_dly ------------------------------------*/
void rt_put_dly (P_TCB p_task, U16 delay) {
/* Put a task identified with "p_task" into chained delay wait list using */
/* a delay value of "delay". */
P_TCB p;
U32 delta,idelay = delay;
p = (P_TCB)&os_dly;
if (p->p_dlnk == NULL) {
/* Delay list empty */
delta = 0U;
goto last;
}
delta = os_dly.delta_time;
while (delta < idelay) {
if (p->p_dlnk == NULL) {
/* End of list found */
last: p_task->p_dlnk = NULL;
p->p_dlnk = p_task;
p_task->p_blnk = p;
p->delta_time = (U16)(idelay - delta);
p_task->delta_time = 0U;
return;
}
p = p->p_dlnk;
delta += p->delta_time;
}
/* Right place found */
p_task->p_dlnk = p->p_dlnk;
p->p_dlnk = p_task;
p_task->p_blnk = p;
if (p_task->p_dlnk != NULL) {
p_task->p_dlnk->p_blnk = p_task;
}
p_task->delta_time = (U16)(delta - idelay);
p->delta_time -= p_task->delta_time;
}
/*--------------------------- rt_dec_dly ------------------------------------*/
void rt_dec_dly (void) {
/* Decrement delta time of list head: remove tasks having a value of zero.*/
P_TCB p_rdy;
if (os_dly.p_dlnk == NULL) {
return;
}
os_dly.delta_time--;
while ((os_dly.delta_time == 0U) && (os_dly.p_dlnk != NULL)) {
p_rdy = os_dly.p_dlnk;
if (p_rdy->p_rlnk != NULL) {
/* Task is really enqueued, remove task from semaphore/mailbox */
/* timeout waiting list. */
p_rdy->p_rlnk->p_lnk = p_rdy->p_lnk;
if (p_rdy->p_lnk != NULL) {
p_rdy->p_lnk->p_rlnk = p_rdy->p_rlnk;
p_rdy->p_lnk = NULL;
}
p_rdy->p_rlnk = NULL;
}
rt_put_prio (&os_rdy, p_rdy);
os_dly.delta_time = p_rdy->delta_time;
if (p_rdy->state == WAIT_ITV) {
/* Calculate the next time for interval wait. */
p_rdy->delta_time = p_rdy->interval_time + (U16)os_time;
}
p_rdy->state = READY;
os_dly.p_dlnk = p_rdy->p_dlnk;
if (p_rdy->p_dlnk != NULL) {
p_rdy->p_dlnk->p_blnk = (P_TCB)&os_dly;
p_rdy->p_dlnk = NULL;
}
p_rdy->p_blnk = NULL;
}
}
/*--------------------------- rt_rmv_list -----------------------------------*/
void rt_rmv_list (P_TCB p_task) {
/* Remove task identified with "p_task" from ready, semaphore or mailbox */
/* waiting list if enqueued. */
P_TCB p_b;
if (p_task->p_rlnk != NULL) {
/* A task is enqueued in semaphore / mailbox waiting list. */
p_task->p_rlnk->p_lnk = p_task->p_lnk;
if (p_task->p_lnk != NULL) {
p_task->p_lnk->p_rlnk = p_task->p_rlnk;
}
return;
}
p_b = (P_TCB)&os_rdy;
while (p_b != NULL) {
/* Search the ready list for task "p_task" */
if (p_b->p_lnk == p_task) {
p_b->p_lnk = p_task->p_lnk;
return;
}
p_b = p_b->p_lnk;
}
}
/*--------------------------- rt_rmv_dly ------------------------------------*/
void rt_rmv_dly (P_TCB p_task) {
/* Remove task identified with "p_task" from delay list if enqueued. */
P_TCB p_b;
p_b = p_task->p_blnk;
if (p_b != NULL) {
/* Task is really enqueued */
p_b->p_dlnk = p_task->p_dlnk;
if (p_task->p_dlnk != NULL) {
/* 'p_task' is in the middle of list */
p_b->delta_time += p_task->delta_time;
p_task->p_dlnk->p_blnk = p_b;
p_task->p_dlnk = NULL;
}
else {
/* 'p_task' is at the end of list */
p_b->delta_time = 0U;
}
p_task->p_blnk = NULL;
}
}
/*--------------------------- rt_psq_enq ------------------------------------*/
void rt_psq_enq (OS_ID entry, U32 arg) {
/* Insert post service request "entry" into ps-queue. */
U32 idx;
idx = rt_inc_qi (os_psq->size, &os_psq->count, &os_psq->first);
if (idx < os_psq->size) {
os_psq->q[idx].id = entry;
os_psq->q[idx].arg = arg;
}
else {
os_error (OS_ERR_FIFO_OVF);
}
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

56
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_List.h vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_LIST.H
* Purpose: Functions for the management of different lists
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Definitions */
/* Values for 'cb_type' */
#define TCB 0U
#define MCB 1U
#define SCB 2U
#define MUCB 3U
#define HCB 4U
/* Variables */
extern struct OS_XCB os_rdy;
extern struct OS_XCB os_dly;
/* Functions */
extern void rt_put_prio (P_XCB p_CB, P_TCB p_task);
extern P_TCB rt_get_first (P_XCB p_CB);
extern void rt_put_rdy_first (P_TCB p_task);
extern P_TCB rt_get_same_rdy_prio (void);
extern void rt_resort_prio (P_TCB p_task);
extern void rt_put_dly (P_TCB p_task, U16 delay);
extern void rt_dec_dly (void);
extern void rt_rmv_list (P_TCB p_task);
extern void rt_rmv_dly (P_TCB p_task);
extern void rt_psq_enq (OS_ID entry, U32 arg);
/* This is a fast macro generating in-line code */
#define rt_rdy_prio(void) (os_rdy.p_lnk->prio)
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

284
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Mailbox.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MAILBOX.C
* Purpose: Implements waits and wake-ups for mailbox messages
* Rev.: V4.81
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_List.h"
#include "rt_Mailbox.h"
#include "rt_MemBox.h"
#include "rt_Task.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_mbx_init -----------------------------------*/
void rt_mbx_init (OS_ID mailbox, U16 mbx_size) {
/* Initialize a mailbox */
P_MCB p_MCB = mailbox;
p_MCB->cb_type = MCB;
p_MCB->state = 0U;
p_MCB->isr_st = 0U;
p_MCB->p_lnk = NULL;
p_MCB->first = 0U;
p_MCB->last = 0U;
p_MCB->count = 0U;
p_MCB->size = (U16)((mbx_size - (sizeof(struct OS_MCB) - (sizeof(void *))))
/ sizeof(void *));
}
/*--------------------------- rt_mbx_send -----------------------------------*/
OS_RESULT rt_mbx_send (OS_ID mailbox, void *p_msg, U16 timeout) {
/* Send message to a mailbox */
P_MCB p_MCB = mailbox;
P_TCB p_TCB;
if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 1U)) {
/* A task is waiting for message */
p_TCB = rt_get_first ((P_XCB)p_MCB);
#ifdef __CMSIS_RTOS
rt_ret_val2(p_TCB, 0x10U/*osEventMessage*/, (U32)p_msg);
#else
*p_TCB->msg = p_msg;
rt_ret_val (p_TCB, OS_R_MBX);
#endif
rt_rmv_dly (p_TCB);
rt_dispatch (p_TCB);
}
else {
/* Store message in mailbox queue */
if (p_MCB->count == p_MCB->size) {
/* No free message entry, wait for one. If message queue is full, */
/* then no task is waiting for message. The 'p_MCB->p_lnk' list */
/* pointer can now be reused for send message waits task list. */
if (timeout == 0U) {
return (OS_R_TMO);
}
if (p_MCB->p_lnk != NULL) {
rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
}
else {
p_MCB->p_lnk = os_tsk.run;
os_tsk.run->p_lnk = NULL;
os_tsk.run->p_rlnk = (P_TCB)p_MCB;
/* Task is waiting to send a message */
p_MCB->state = 2U;
}
os_tsk.run->msg = p_msg;
rt_block (timeout, WAIT_MBX);
return (OS_R_TMO);
}
/* Yes, there is a free entry in a mailbox. */
p_MCB->msg[p_MCB->first] = p_msg;
rt_inc (&p_MCB->count);
if (++p_MCB->first == p_MCB->size) {
p_MCB->first = 0U;
}
}
return (OS_R_OK);
}
/*--------------------------- rt_mbx_wait -----------------------------------*/
OS_RESULT rt_mbx_wait (OS_ID mailbox, void **message, U16 timeout) {
/* Receive a message; possibly wait for it */
P_MCB p_MCB = mailbox;
P_TCB p_TCB;
/* If a message is available in the fifo buffer */
/* remove it from the fifo buffer and return. */
if (p_MCB->count) {
*message = p_MCB->msg[p_MCB->last];
if (++p_MCB->last == p_MCB->size) {
p_MCB->last = 0U;
}
if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 2U)) {
/* A task is waiting to send message */
p_TCB = rt_get_first ((P_XCB)p_MCB);
#ifdef __CMSIS_RTOS
rt_ret_val(p_TCB, 0U/*osOK*/);
#else
rt_ret_val(p_TCB, OS_R_OK);
#endif
p_MCB->msg[p_MCB->first] = p_TCB->msg;
if (++p_MCB->first == p_MCB->size) {
p_MCB->first = 0U;
}
rt_rmv_dly (p_TCB);
rt_dispatch (p_TCB);
}
else {
rt_dec (&p_MCB->count);
}
return (OS_R_OK);
}
/* No message available: wait for one */
if (timeout == 0U) {
return (OS_R_TMO);
}
if (p_MCB->p_lnk != NULL) {
rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
}
else {
p_MCB->p_lnk = os_tsk.run;
os_tsk.run->p_lnk = NULL;
os_tsk.run->p_rlnk = (P_TCB)p_MCB;
/* Task is waiting to receive a message */
p_MCB->state = 1U;
}
rt_block(timeout, WAIT_MBX);
#ifndef __CMSIS_RTOS
os_tsk.run->msg = message;
#endif
return (OS_R_TMO);
}
/*--------------------------- rt_mbx_check ----------------------------------*/
OS_RESULT rt_mbx_check (OS_ID mailbox) {
/* Check for free space in a mailbox. Returns the number of messages */
/* that can be stored to a mailbox. It returns 0 when mailbox is full. */
P_MCB p_MCB = mailbox;
return ((U32)(p_MCB->size - p_MCB->count));
}
/*--------------------------- isr_mbx_send ----------------------------------*/
void isr_mbx_send (OS_ID mailbox, void *p_msg) {
/* Same function as "os_mbx_send", but to be called by ISRs. */
P_MCB p_MCB = mailbox;
rt_psq_enq (p_MCB, (U32)p_msg);
rt_psh_req ();
}
/*--------------------------- isr_mbx_receive -------------------------------*/
OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message) {
/* Receive a message in the interrupt function. The interrupt function */
/* should not wait for a message since this would block the rtx os. */
P_MCB p_MCB = mailbox;
if (p_MCB->count) {
/* A message is available in the fifo buffer. */
*message = p_MCB->msg[p_MCB->last];
if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 2U)) {
/* A task is locked waiting to send message */
rt_psq_enq (p_MCB, 0U);
rt_psh_req ();
}
rt_dec (&p_MCB->count);
if (++p_MCB->last == p_MCB->size) {
p_MCB->last = 0U;
}
return (OS_R_MBX);
}
return (OS_R_OK);
}
/*--------------------------- rt_mbx_psh ------------------------------------*/
void rt_mbx_psh (P_MCB p_CB, void *p_msg) {
/* Store the message to the mailbox queue or pass it to task directly. */
P_TCB p_TCB;
void *mem;
if (p_CB->p_lnk != NULL) switch (p_CB->state) {
#ifdef __CMSIS_RTOS
case 3:
/* Task is waiting to allocate memory, remove it from the waiting list */
mem = rt_alloc_box(p_msg);
if (mem == NULL) { break; }
p_TCB = rt_get_first ((P_XCB)p_CB);
rt_ret_val(p_TCB, (U32)mem);
p_TCB->state = READY;
rt_rmv_dly (p_TCB);
rt_put_prio (&os_rdy, p_TCB);
break;
#endif
case 2:
/* Task is waiting to send a message, remove it from the waiting list */
p_TCB = rt_get_first ((P_XCB)p_CB);
#ifdef __CMSIS_RTOS
rt_ret_val(p_TCB, 0U/*osOK*/);
#else
rt_ret_val(p_TCB, OS_R_OK);
#endif
p_CB->msg[p_CB->first] = p_TCB->msg;
rt_inc (&p_CB->count);
if (++p_CB->first == p_CB->size) {
p_CB->first = 0U;
}
p_TCB->state = READY;
rt_rmv_dly (p_TCB);
rt_put_prio (&os_rdy, p_TCB);
break;
case 1:
/* Task is waiting for a message, pass the message to the task directly */
p_TCB = rt_get_first ((P_XCB)p_CB);
#ifdef __CMSIS_RTOS
rt_ret_val2(p_TCB, 0x10U/*osEventMessage*/, (U32)p_msg);
#else
*p_TCB->msg = p_msg;
rt_ret_val (p_TCB, OS_R_MBX);
#endif
p_TCB->state = READY;
rt_rmv_dly (p_TCB);
rt_put_prio (&os_rdy, p_TCB);
break;
default:
break;
} else {
/* No task is waiting for a message, store it to the mailbox queue */
if (p_CB->count < p_CB->size) {
p_CB->msg[p_CB->first] = p_msg;
rt_inc (&p_CB->count);
if (++p_CB->first == p_CB->size) {
p_CB->first = 0U;
}
}
else {
os_error (OS_ERR_MBX_OVF);
}
}
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

37
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MAILBOX.H
* Purpose: Implements waits and wake-ups for mailbox messages
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Functions */
extern void rt_mbx_init (OS_ID mailbox, U16 mbx_size);
extern OS_RESULT rt_mbx_send (OS_ID mailbox, void *p_msg, U16 timeout);
extern OS_RESULT rt_mbx_wait (OS_ID mailbox, void **message, U16 timeout);
extern OS_RESULT rt_mbx_check (OS_ID mailbox);
extern void isr_mbx_send (OS_ID mailbox, void *p_msg);
extern OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message);
extern void rt_mbx_psh (P_MCB p_CB, void *p_msg);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

159
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MEMBOX.C
* Purpose: Interface functions for fixed memory block management system
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_MemBox.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Global Functions
*---------------------------------------------------------------------------*/
/*--------------------------- _init_box -------------------------------------*/
U32 _init_box (void *box_mem, U32 box_size, U32 blk_size) {
/* Initialize memory block system, returns 0 if OK, 1 if fails. */
void *end;
void *blk;
void *next;
U32 sizeof_bm;
/* Create memory structure. */
if (blk_size & BOX_ALIGN_8) {
/* Memory blocks 8-byte aligned. */
blk_size = ((blk_size & ~BOX_ALIGN_8) + 7U) & ~(U32)7U;
sizeof_bm = (sizeof (struct OS_BM) + 7U) & ~(U32)7U;
}
else {
/* Memory blocks 4-byte aligned. */
blk_size = (blk_size + 3U) & ~(U32)3U;
sizeof_bm = sizeof (struct OS_BM);
}
if (blk_size == 0U) {
return (1U);
}
if ((blk_size + sizeof_bm) > box_size) {
return (1U);
}
/* Create a Memory structure. */
blk = ((U8 *) box_mem) + sizeof_bm;
((P_BM) box_mem)->free = blk;
end = ((U8 *) box_mem) + box_size;
((P_BM) box_mem)->end = end;
((P_BM) box_mem)->blk_size = blk_size;
/* Link all free blocks using offsets. */
end = ((U8 *) end) - blk_size;
while (1) {
next = ((U8 *) blk) + blk_size;
if (next > end) { break; }
*((void **)blk) = next;
blk = next;
}
/* end marker */
*((void **)blk) = 0U;
return (0U);
}
/*--------------------------- rt_alloc_box ----------------------------------*/
void *rt_alloc_box (void *box_mem) {
/* Allocate a memory block and return start address. */
void **free;
#ifndef __USE_EXCLUSIVE_ACCESS
U32 irq_mask;
irq_mask = (U32)__disable_irq ();
free = ((P_BM) box_mem)->free;
if (free) {
((P_BM) box_mem)->free = *free;
}
if (irq_mask == 0U) { __enable_irq (); }
#else
do {
if ((free = (void **)__ldrex(&((P_BM) box_mem)->free)) == 0U) {
__clrex();
break;
}
} while (__strex((U32)*free, &((P_BM) box_mem)->free));
#endif
return (free);
}
/*--------------------------- _calloc_box -----------------------------------*/
void *_calloc_box (void *box_mem) {
/* Allocate a 0-initialized memory block and return start address. */
void *free;
U32 *p;
U32 i;
free = _alloc_box (box_mem);
if (free) {
p = free;
for (i = ((P_BM) box_mem)->blk_size; i; i -= 4U) {
*p = 0U;
p++;
}
}
return (free);
}
/*--------------------------- rt_free_box -----------------------------------*/
U32 rt_free_box (void *box_mem, void *box) {
/* Free a memory block, returns 0 if OK, 1 if box does not belong to box_mem */
#ifndef __USE_EXCLUSIVE_ACCESS
U32 irq_mask;
#endif
if ((box < box_mem) || (box >= ((P_BM) box_mem)->end)) {
return (1U);
}
#ifndef __USE_EXCLUSIVE_ACCESS
irq_mask = (U32)__disable_irq ();
*((void **)box) = ((P_BM) box_mem)->free;
((P_BM) box_mem)->free = box;
if (irq_mask == 0U) { __enable_irq (); }
#else
do {
do {
*((void **)box) = ((P_BM) box_mem)->free;
__DMB();
} while (*(void**)box != (void *)__ldrex(&((P_BM) box_mem)->free));
} while (__strex ((U32)box, &((P_BM) box_mem)->free));
#endif
return (0U);
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

36
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MEMBOX.H
* Purpose: Interface functions for fixed memory block management system
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Functions */
#define rt_init_box _init_box
#define rt_calloc_box _calloc_box
extern U32 _init_box (void *box_mem, U32 box_size, U32 blk_size);
extern void *rt_alloc_box (void *box_mem);
extern void * _calloc_box (void *box_mem);
extern U32 rt_free_box (void *box_mem, void *box);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

131
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Memory.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MEMORY.C
* Purpose: Interface functions for Dynamic Memory Management System
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "rt_Memory.h"
/* Functions */
// Initialize Dynamic Memory pool
// Parameters:
// pool: Pointer to memory pool
// size: Size of memory pool in bytes
// Return: 0 - OK, 1 - Error
U32 rt_init_mem (void *pool, U32 size) {
MEMP *ptr;
if ((pool == NULL) || (size < sizeof(MEMP))) { return (1U); }
ptr = (MEMP *)pool;
ptr->next = (MEMP *)((U32)pool + size - sizeof(MEMP *));
ptr->next->next = NULL;
ptr->len = 0U;
return (0U);
}
// Allocate Memory from Memory pool
// Parameters:
// pool: Pointer to memory pool
// size: Size of memory in bytes to allocate
// Return: Pointer to allocated memory
void *rt_alloc_mem (void *pool, U32 size) {
MEMP *p, *p_search, *p_new;
U32 hole_size;
if ((pool == NULL) || (size == 0U)) { return NULL; }
/* Add header offset to 'size' */
size += sizeof(MEMP);
/* Make sure that block is 4-byte aligned */
size = (size + 3U) & ~(U32)3U;
p_search = (MEMP *)pool;
while (1) {
hole_size = (U32)p_search->next - (U32)p_search;
hole_size -= p_search->len;
/* Check if hole size is big enough */
if (hole_size >= size) { break; }
p_search = p_search->next;
if (p_search->next == NULL) {
/* Failed, we are at the end of the list */
return NULL;
}
}
if (p_search->len == 0U) {
/* No block is allocated, set the Length of the first element */
p_search->len = size;
p = (MEMP *)(((U32)p_search) + sizeof(MEMP));
} else {
/* Insert new list element into the memory list */
p_new = (MEMP *)((U32)p_search + p_search->len);
p_new->next = p_search->next;
p_new->len = size;
p_search->next = p_new;
p = (MEMP *)(((U32)p_new) + sizeof(MEMP));
}
return (p);
}
// Free Memory and return it to Memory pool
// Parameters:
// pool: Pointer to memory pool
// mem: Pointer to memory to free
// Return: 0 - OK, 1 - Error
U32 rt_free_mem (void *pool, void *mem) {
MEMP *p_search, *p_prev, *p_return;
if ((pool == NULL) || (mem == NULL)) { return (1U); }
p_return = (MEMP *)((U32)mem - sizeof(MEMP));
/* Set list header */
p_prev = NULL;
p_search = (MEMP *)pool;
while (p_search != p_return) {
p_prev = p_search;
p_search = p_search->next;
if (p_search == NULL) {
/* Valid Memory block not found */
return (1U);
}
}
if (p_prev == NULL) {
/* First block to be released, only set length to 0 */
p_search->len = 0U;
} else {
/* Discard block from chain list */
p_prev->next = p_search->next;
}
return (0U);
}

35
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Memory.h vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MEMORY.H
* Purpose: Interface functions for Dynamic Memory Management System
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Types */
typedef struct mem { /* << Memory Pool management struct >> */
struct mem *next; /* Next Memory Block in the list */
U32 len; /* Length of data block */
} MEMP;
/* Functions */
extern U32 rt_init_mem (void *pool, U32 size);
extern void *rt_alloc_mem (void *pool, U32 size);
extern U32 rt_free_mem (void *pool, void *mem);

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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MUTEX.C
* Purpose: Implements mutex synchronization objects
* Rev.: V4.82
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_List.h"
#include "rt_Task.h"
#include "rt_Mutex.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_mut_init -----------------------------------*/
void rt_mut_init (OS_ID mutex) {
/* Initialize a mutex object */
P_MUCB p_MCB = mutex;
p_MCB->cb_type = MUCB;
p_MCB->level = 0U;
p_MCB->p_lnk = NULL;
p_MCB->owner = NULL;
p_MCB->p_mlnk = NULL;
}
/*--------------------------- rt_mut_delete ---------------------------------*/
#ifdef __CMSIS_RTOS
OS_RESULT rt_mut_delete (OS_ID mutex) {
/* Delete a mutex object */
P_MUCB p_MCB = mutex;
P_TCB p_TCB;
P_MUCB p_mlnk;
U8 prio;
if (p_MCB->level != 0U) {
p_TCB = p_MCB->owner;
/* Remove mutex from task mutex owner list. */
p_mlnk = p_TCB->p_mlnk;
if (p_mlnk == p_MCB) {
p_TCB->p_mlnk = p_MCB->p_mlnk;
}
else {
while (p_mlnk) {
if (p_mlnk->p_mlnk == p_MCB) {
p_mlnk->p_mlnk = p_MCB->p_mlnk;
break;
}
p_mlnk = p_mlnk->p_mlnk;
}
}
/* Restore owner task's priority. */
prio = p_TCB->prio_base;
p_mlnk = p_TCB->p_mlnk;
while (p_mlnk) {
if ((p_mlnk->p_lnk != NULL) && (p_mlnk->p_lnk->prio > prio)) {
/* A task with higher priority is waiting for mutex. */
prio = p_mlnk->p_lnk->prio;
}
p_mlnk = p_mlnk->p_mlnk;
}
if (p_TCB->prio != prio) {
p_TCB->prio = prio;
if (p_TCB != os_tsk.run) {
rt_resort_prio (p_TCB);
}
}
}
while (p_MCB->p_lnk != NULL) {
/* A task is waiting for mutex. */
p_TCB = rt_get_first ((P_XCB)p_MCB);
rt_ret_val(p_TCB, 0U/*osOK*/);
rt_rmv_dly(p_TCB);
p_TCB->state = READY;
rt_put_prio (&os_rdy, p_TCB);
}
if ((os_rdy.p_lnk != NULL) && (os_rdy.p_lnk->prio > os_tsk.run->prio)) {
/* preempt running task */
rt_put_prio (&os_rdy, os_tsk.run);
os_tsk.run->state = READY;
rt_dispatch (NULL);
}
p_MCB->cb_type = 0U;
return (OS_R_OK);
}
#endif
/*--------------------------- rt_mut_release --------------------------------*/
OS_RESULT rt_mut_release (OS_ID mutex) {
/* Release a mutex object */
P_MUCB p_MCB = mutex;
P_TCB p_TCB;
P_MUCB p_mlnk;
U8 prio;
if ((p_MCB->level == 0U) || (p_MCB->owner != os_tsk.run)) {
/* Unbalanced mutex release or task is not the owner */
return (OS_R_NOK);
}
if (--p_MCB->level != 0U) {
return (OS_R_OK);
}
/* Remove mutex from task mutex owner list. */
p_mlnk = os_tsk.run->p_mlnk;
if (p_mlnk == p_MCB) {
os_tsk.run->p_mlnk = p_MCB->p_mlnk;
}
else {
while (p_mlnk) {
if (p_mlnk->p_mlnk == p_MCB) {
p_mlnk->p_mlnk = p_MCB->p_mlnk;
break;
}
p_mlnk = p_mlnk->p_mlnk;
}
}
/* Restore owner task's priority. */
prio = os_tsk.run->prio_base;
p_mlnk = os_tsk.run->p_mlnk;
while (p_mlnk) {
if ((p_mlnk->p_lnk != NULL) && (p_mlnk->p_lnk->prio > prio)) {
/* A task with higher priority is waiting for mutex. */
prio = p_mlnk->p_lnk->prio;
}
p_mlnk = p_mlnk->p_mlnk;
}
os_tsk.run->prio = prio;
if (p_MCB->p_lnk != NULL) {
/* A task is waiting for mutex. */
p_TCB = rt_get_first ((P_XCB)p_MCB);
#ifdef __CMSIS_RTOS
rt_ret_val(p_TCB, 0U/*osOK*/);
#else
rt_ret_val(p_TCB, OS_R_MUT);
#endif
rt_rmv_dly (p_TCB);
/* A waiting task becomes the owner of this mutex. */
p_MCB->level = 1U;
p_MCB->owner = p_TCB;
p_MCB->p_mlnk = p_TCB->p_mlnk;
p_TCB->p_mlnk = p_MCB;
/* Priority inversion, check which task continues. */
if (os_tsk.run->prio >= rt_rdy_prio()) {
rt_dispatch (p_TCB);
}
else {
/* Ready task has higher priority than running task. */
rt_put_prio (&os_rdy, os_tsk.run);
rt_put_prio (&os_rdy, p_TCB);
os_tsk.run->state = READY;
p_TCB->state = READY;
rt_dispatch (NULL);
}
}
else {
/* Check if own priority lowered by priority inversion. */
if (rt_rdy_prio() > os_tsk.run->prio) {
rt_put_prio (&os_rdy, os_tsk.run);
os_tsk.run->state = READY;
rt_dispatch (NULL);
}
}
return (OS_R_OK);
}
/*--------------------------- rt_mut_wait -----------------------------------*/
OS_RESULT rt_mut_wait (OS_ID mutex, U16 timeout) {
/* Wait for a mutex, continue when mutex is free. */
P_MUCB p_MCB = mutex;
if (p_MCB->level == 0U) {
p_MCB->owner = os_tsk.run;
p_MCB->p_mlnk = os_tsk.run->p_mlnk;
os_tsk.run->p_mlnk = p_MCB;
p_MCB->level = 1U;
return (OS_R_OK);
}
if (p_MCB->owner == os_tsk.run) {
/* OK, running task is the owner of this mutex. */
if (p_MCB->level == 0xFFFFU) {
return (OS_R_NOK);
}
p_MCB->level++;
return (OS_R_OK);
}
/* Mutex owned by another task, wait until released. */
if (timeout == 0U) {
return (OS_R_TMO);
}
/* Raise the owner task priority if lower than current priority. */
/* This priority inversion is called priority inheritance. */
if (p_MCB->owner->prio < os_tsk.run->prio) {
p_MCB->owner->prio = os_tsk.run->prio;
rt_resort_prio (p_MCB->owner);
}
if (p_MCB->p_lnk != NULL) {
rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
}
else {
p_MCB->p_lnk = os_tsk.run;
os_tsk.run->p_lnk = NULL;
os_tsk.run->p_rlnk = (P_TCB)p_MCB;
}
rt_block(timeout, WAIT_MUT);
return (OS_R_TMO);
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_MUTEX.H
* Purpose: Implements mutex synchronization objects
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Functions */
extern void rt_mut_init (OS_ID mutex);
extern OS_RESULT rt_mut_delete (OS_ID mutex);
extern OS_RESULT rt_mut_release (OS_ID mutex);
extern OS_RESULT rt_mut_wait (OS_ID mutex, U16 timeout);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Robin.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_ROBIN.C
* Purpose: Round Robin Task switching
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_List.h"
#include "rt_Task.h"
#include "rt_Time.h"
#include "rt_Robin.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
struct OS_ROBIN os_robin;
/*----------------------------------------------------------------------------
* Global Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_init_robin ---------------------------------*/
__weak void rt_init_robin (void) {
/* Initialize Round Robin variables. */
os_robin.task = NULL;
os_robin.tout = (U16)os_rrobin;
}
/*--------------------------- rt_chk_robin ----------------------------------*/
__weak void rt_chk_robin (void) {
/* Check if Round Robin timeout expired and switch to the next ready task.*/
P_TCB p_new;
if (os_robin.task != os_rdy.p_lnk) {
/* New task was suspended, reset Round Robin timeout. */
os_robin.task = os_rdy.p_lnk;
os_robin.time = (U16)os_time + os_robin.tout - 1U;
}
if (os_robin.time == (U16)os_time) {
/* Round Robin timeout has expired, swap Robin tasks. */
os_robin.task = NULL;
p_new = rt_get_first (&os_rdy);
rt_put_prio ((P_XCB)&os_rdy, p_new);
}
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

35
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Robin.h vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_ROBIN.H
* Purpose: Round Robin Task switching definitions
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Variables */
extern struct OS_ROBIN os_robin;
/* Functions */
extern void rt_init_robin (void);
extern void rt_chk_robin (void);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Semaphore.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_SEMAPHORE.C
* Purpose: Implements binary and counting semaphores
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_List.h"
#include "rt_Task.h"
#include "rt_Semaphore.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_sem_init -----------------------------------*/
void rt_sem_init (OS_ID semaphore, U16 token_count) {
/* Initialize a semaphore */
P_SCB p_SCB = semaphore;
p_SCB->cb_type = SCB;
p_SCB->p_lnk = NULL;
p_SCB->tokens = token_count;
}
/*--------------------------- rt_sem_delete ---------------------------------*/
#ifdef __CMSIS_RTOS
OS_RESULT rt_sem_delete (OS_ID semaphore) {
/* Delete semaphore */
P_SCB p_SCB = semaphore;
P_TCB p_TCB;
while (p_SCB->p_lnk != NULL) {
/* A task is waiting for token */
p_TCB = rt_get_first ((P_XCB)p_SCB);
rt_ret_val(p_TCB, 0U);
rt_rmv_dly(p_TCB);
p_TCB->state = READY;
rt_put_prio (&os_rdy, p_TCB);
}
if ((os_rdy.p_lnk != NULL) && (os_rdy.p_lnk->prio > os_tsk.run->prio)) {
/* preempt running task */
rt_put_prio (&os_rdy, os_tsk.run);
os_tsk.run->state = READY;
rt_dispatch (NULL);
}
p_SCB->cb_type = 0U;
return (OS_R_OK);
}
#endif
/*--------------------------- rt_sem_send -----------------------------------*/
OS_RESULT rt_sem_send (OS_ID semaphore) {
/* Return a token to semaphore */
P_SCB p_SCB = semaphore;
P_TCB p_TCB;
if (p_SCB->p_lnk != NULL) {
/* A task is waiting for token */
p_TCB = rt_get_first ((P_XCB)p_SCB);
#ifdef __CMSIS_RTOS
rt_ret_val(p_TCB, 1U);
#else
rt_ret_val(p_TCB, OS_R_SEM);
#endif
rt_rmv_dly (p_TCB);
rt_dispatch (p_TCB);
}
else {
/* Store token. */
p_SCB->tokens++;
}
return (OS_R_OK);
}
/*--------------------------- rt_sem_wait -----------------------------------*/
OS_RESULT rt_sem_wait (OS_ID semaphore, U16 timeout) {
/* Obtain a token; possibly wait for it */
P_SCB p_SCB = semaphore;
if (p_SCB->tokens) {
p_SCB->tokens--;
return (OS_R_OK);
}
/* No token available: wait for one */
if (timeout == 0U) {
return (OS_R_TMO);
}
if (p_SCB->p_lnk != NULL) {
rt_put_prio ((P_XCB)p_SCB, os_tsk.run);
}
else {
p_SCB->p_lnk = os_tsk.run;
os_tsk.run->p_lnk = NULL;
os_tsk.run->p_rlnk = (P_TCB)p_SCB;
}
rt_block(timeout, WAIT_SEM);
return (OS_R_TMO);
}
/*--------------------------- isr_sem_send ----------------------------------*/
void isr_sem_send (OS_ID semaphore) {
/* Same function as "os_sem_send", but to be called by ISRs */
P_SCB p_SCB = semaphore;
rt_psq_enq (p_SCB, 0U);
rt_psh_req ();
}
/*--------------------------- rt_sem_psh ------------------------------------*/
void rt_sem_psh (P_SCB p_CB) {
/* Check if task has to be waken up */
P_TCB p_TCB;
if (p_CB->p_lnk != NULL) {
/* A task is waiting for token */
p_TCB = rt_get_first ((P_XCB)p_CB);
rt_rmv_dly (p_TCB);
p_TCB->state = READY;
#ifdef __CMSIS_RTOS
rt_ret_val(p_TCB, 1U);
#else
rt_ret_val(p_TCB, OS_R_SEM);
#endif
rt_put_prio (&os_rdy, p_TCB);
}
else {
/* Store token */
p_CB->tokens++;
}
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_SEMAPHORE.H
* Purpose: Implements binary and counting semaphores
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Functions */
extern void rt_sem_init (OS_ID semaphore, U16 token_count);
extern OS_RESULT rt_sem_delete(OS_ID semaphore);
extern OS_RESULT rt_sem_send (OS_ID semaphore);
extern OS_RESULT rt_sem_wait (OS_ID semaphore, U16 timeout);
extern void isr_sem_send (OS_ID semaphore);
extern void rt_sem_psh (P_SCB p_CB);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

316
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_System.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_SYSTEM.C
* Purpose: System Task Manager
* Rev.: V4.82
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_Task.h"
#include "rt_System.h"
#include "rt_Event.h"
#include "rt_List.h"
#include "rt_Mailbox.h"
#include "rt_Semaphore.h"
#include "rt_Time.h"
#include "rt_Timer.h"
#include "rt_Robin.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
S32 os_tick_irqn;
/*----------------------------------------------------------------------------
* Local Variables
*---------------------------------------------------------------------------*/
static volatile BIT os_lock;
static volatile BIT os_psh_flag;
static U8 pend_flags;
/*----------------------------------------------------------------------------
* Global Functions
*---------------------------------------------------------------------------*/
#define RL_RTX_VER 0x482
#if defined (__CC_ARM)
__asm void $$RTX$$version (void) {
/* Export a version number symbol for a version control. */
EXPORT __RL_RTX_VER
__RL_RTX_VER EQU RL_RTX_VER
}
#endif
/*--------------------------- rt_suspend ------------------------------------*/
extern U32 sysUserTimerWakeupTime(void);
U32 rt_suspend (void) {
/* Suspend OS scheduler */
U32 delta = 0xFFFFU;
#ifdef __CMSIS_RTOS
U32 sleep;
#endif
rt_tsk_lock();
if (os_dly.p_dlnk) {
delta = os_dly.delta_time;
}
#ifdef __CMSIS_RTOS
sleep = sysUserTimerWakeupTime();
if (sleep < delta) { delta = sleep; }
#else
if (os_tmr.next) {
if (os_tmr.tcnt < delta) delta = os_tmr.tcnt;
}
#endif
return (delta);
}
/*--------------------------- rt_resume -------------------------------------*/
extern void sysUserTimerUpdate (U32 sleep_time);
void rt_resume (U32 sleep_time) {
/* Resume OS scheduler after suspend */
P_TCB next;
U32 delta;
os_tsk.run->state = READY;
rt_put_rdy_first (os_tsk.run);
os_robin.task = NULL;
/* Update delays. */
if (os_dly.p_dlnk) {
delta = sleep_time;
if (delta >= os_dly.delta_time) {
delta -= os_dly.delta_time;
os_time += os_dly.delta_time;
os_dly.delta_time = 1U;
while (os_dly.p_dlnk) {
rt_dec_dly();
if (delta == 0U) { break; }
delta--;
os_time++;
}
} else {
os_time += delta;
os_dly.delta_time -= (U16)delta;
}
} else {
os_time += sleep_time;
}
/* Check the user timers. */
#ifdef __CMSIS_RTOS
sysUserTimerUpdate(sleep_time);
#else
if (os_tmr.next) {
delta = sleep_time;
if (delta >= os_tmr.tcnt) {
delta -= os_tmr.tcnt;
os_tmr.tcnt = 1U;
while (os_tmr.next) {
rt_tmr_tick();
if (delta == 0U) { break; }
delta--;
}
} else {
os_tmr.tcnt -= delta;
}
}
#endif
/* Switch back to highest ready task */
next = rt_get_first (&os_rdy);
rt_switch_req (next);
rt_tsk_unlock();
}
/*--------------------------- rt_tsk_lock -----------------------------------*/
void rt_tsk_lock (void) {
/* Prevent task switching by locking out scheduler */
if (os_tick_irqn < 0) {
OS_LOCK();
os_lock = __TRUE;
OS_UNPEND(pend_flags);
} else {
OS_X_LOCK((U32)os_tick_irqn);
os_lock = __TRUE;
OS_X_UNPEND(pend_flags);
}
}
/*--------------------------- rt_tsk_unlock ---------------------------------*/
void rt_tsk_unlock (void) {
/* Unlock scheduler and re-enable task switching */
if (os_tick_irqn < 0) {
OS_UNLOCK();
os_lock = __FALSE;
OS_PEND(pend_flags, os_psh_flag);
os_psh_flag = __FALSE;
} else {
OS_X_UNLOCK((U32)os_tick_irqn);
os_lock = __FALSE;
OS_X_PEND(pend_flags, os_psh_flag);
os_psh_flag = __FALSE;
}
}
/*--------------------------- rt_psh_req ------------------------------------*/
void rt_psh_req (void) {
/* Initiate a post service handling request if required. */
if (os_lock == __FALSE) {
OS_PEND_IRQ();
}
else {
os_psh_flag = __TRUE;
}
}
/*--------------------------- rt_pop_req ------------------------------------*/
void rt_pop_req (void) {
/* Process an ISR post service requests. */
struct OS_XCB *p_CB;
P_TCB next;
U32 idx;
os_tsk.run->state = READY;
rt_put_rdy_first (os_tsk.run);
idx = os_psq->last;
while (os_psq->count) {
p_CB = os_psq->q[idx].id;
if (p_CB->cb_type == TCB) {
/* Is of TCB type */
rt_evt_psh ((P_TCB)p_CB, (U16)os_psq->q[idx].arg);
}
else if (p_CB->cb_type == MCB) {
/* Is of MCB type */
rt_mbx_psh ((P_MCB)p_CB, (void *)os_psq->q[idx].arg);
}
else {
/* Must be of SCB type */
rt_sem_psh ((P_SCB)p_CB);
}
if (++idx == os_psq->size) { idx = 0U; }
rt_dec (&os_psq->count);
}
os_psq->last = (U8)idx;
next = rt_get_first (&os_rdy);
rt_switch_req (next);
}
/*--------------------------- os_tick_init ----------------------------------*/
__weak S32 os_tick_init (void) {
/* Initialize SysTick timer as system tick timer. */
rt_systick_init();
return (-1); /* Return IRQ number of SysTick timer */
}
/*--------------------------- os_tick_val -----------------------------------*/
__weak U32 os_tick_val (void) {
/* Get SysTick timer current value (0 .. OS_TRV). */
return rt_systick_val();
}
/*--------------------------- os_tick_ovf -----------------------------------*/
__weak U32 os_tick_ovf (void) {
/* Get SysTick timer overflow flag */
return rt_systick_ovf();
}
/*--------------------------- os_tick_irqack --------------------------------*/
__weak void os_tick_irqack (void) {
/* Acknowledge timer interrupt. */
}
/*--------------------------- rt_systick ------------------------------------*/
extern void sysTimerTick(void);
void rt_systick (void) {
/* Check for system clock update, suspend running task. */
P_TCB next;
os_tsk.run->state = READY;
rt_put_rdy_first (os_tsk.run);
/* Check Round Robin timeout. */
rt_chk_robin ();
/* Update delays. */
os_time++;
rt_dec_dly ();
/* Check the user timers. */
#ifdef __CMSIS_RTOS
sysTimerTick();
#else
rt_tmr_tick ();
#endif
/* Switch back to highest ready task */
next = rt_get_first (&os_rdy);
rt_switch_req (next);
}
/*--------------------------- rt_stk_check ----------------------------------*/
__weak void rt_stk_check (void) {
/* Check for stack overflow. */
if ((os_tsk.run->tsk_stack < (U32)os_tsk.run->stack) ||
(os_tsk.run->stack[0] != MAGIC_WORD)) {
os_error (OS_ERR_STK_OVF);
}
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

42
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_System.h vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_SYSTEM.H
* Purpose: System Task Manager definitions
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Variables */
#define os_psq ((P_PSQ)&os_fifo)
extern S32 os_tick_irqn;
/* Functions */
extern U32 rt_suspend (void);
extern void rt_resume (U32 sleep_time);
extern void rt_tsk_lock (void);
extern void rt_tsk_unlock (void);
extern void rt_psh_req (void);
extern void rt_pop_req (void);
extern void rt_systick (void);
extern void rt_stk_check (void);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

437
external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Task.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_TASK.C
* Purpose: Task functions and system start up.
* Rev.: V4.80
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_System.h"
#include "rt_Task.h"
#include "rt_List.h"
#include "rt_MemBox.h"
#include "rt_Robin.h"
#include "rt_HAL_CM.h"
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
/* Running and next task info. */
struct OS_TSK os_tsk;
/* Task Control Blocks of idle demon */
struct OS_TCB os_idle_TCB;
/*----------------------------------------------------------------------------
* Local Functions
*---------------------------------------------------------------------------*/
static OS_TID rt_get_TID (void) {
U32 tid;
for (tid = 1U; tid <= os_maxtaskrun; tid++) {
if (os_active_TCB[tid-1U] == NULL) {
return ((OS_TID)tid);
}
}
return (0U);
}
/*--------------------------- rt_init_context -------------------------------*/
static void rt_init_context (P_TCB p_TCB, U8 priority, FUNCP task_body) {
/* Initialize general part of the Task Control Block. */
p_TCB->cb_type = TCB;
p_TCB->state = READY;
p_TCB->prio = priority;
p_TCB->prio_base = priority;
p_TCB->p_lnk = NULL;
p_TCB->p_rlnk = NULL;
p_TCB->p_dlnk = NULL;
p_TCB->p_blnk = NULL;
p_TCB->p_mlnk = NULL;
p_TCB->delta_time = 0U;
p_TCB->interval_time = 0U;
p_TCB->events = 0U;
p_TCB->waits = 0U;
p_TCB->stack_frame = 0U;
if (p_TCB->priv_stack == 0U) {
/* Allocate the memory space for the stack. */
p_TCB->stack = rt_alloc_box (mp_stk);
}
rt_init_stack (p_TCB, task_body);
}
/*--------------------------- rt_switch_req ---------------------------------*/
void rt_switch_req (P_TCB p_next) {
/* Switch to next task (identified by "p_next"). */
os_tsk.next = p_next;
p_next->state = RUNNING;
DBG_TASK_SWITCH(p_next->task_id);
}
/*--------------------------- rt_dispatch -----------------------------------*/
void rt_dispatch (P_TCB next_TCB) {
/* Dispatch next task if any identified or dispatch highest ready task */
/* "next_TCB" identifies a task to run or has value NULL (=no next task) */
if (next_TCB == NULL) {
/* Running task was blocked: continue with highest ready task */
next_TCB = rt_get_first (&os_rdy);
rt_switch_req (next_TCB);
}
else {
/* Check which task continues */
if (next_TCB->prio > os_tsk.run->prio) {
/* preempt running task */
rt_put_rdy_first (os_tsk.run);
os_tsk.run->state = READY;
rt_switch_req (next_TCB);
}
else {
/* put next task into ready list, no task switch takes place */
next_TCB->state = READY;
rt_put_prio (&os_rdy, next_TCB);
}
}
}
/*--------------------------- rt_block --------------------------------------*/
void rt_block (U16 timeout, U8 block_state) {
/* Block running task and choose next ready task. */
/* "timeout" sets a time-out value or is 0xffff (=no time-out). */
/* "block_state" defines the appropriate task state */
P_TCB next_TCB;
if (timeout) {
if (timeout < 0xFFFFU) {
rt_put_dly (os_tsk.run, timeout);
}
os_tsk.run->state = block_state;
next_TCB = rt_get_first (&os_rdy);
rt_switch_req (next_TCB);
}
}
/*--------------------------- rt_tsk_pass -----------------------------------*/
void rt_tsk_pass (void) {
/* Allow tasks of same priority level to run cooperatively.*/
P_TCB p_new;
p_new = rt_get_same_rdy_prio();
if (p_new != NULL) {
rt_put_prio ((P_XCB)&os_rdy, os_tsk.run);
os_tsk.run->state = READY;
rt_switch_req (p_new);
}
}
/*--------------------------- rt_tsk_self -----------------------------------*/
OS_TID rt_tsk_self (void) {
/* Return own task identifier value. */
if (os_tsk.run == NULL) {
return (0U);
}
return ((OS_TID)os_tsk.run->task_id);
}
/*--------------------------- rt_tsk_prio -----------------------------------*/
OS_RESULT rt_tsk_prio (OS_TID task_id, U8 new_prio) {
/* Change execution priority of a task to "new_prio". */
P_TCB p_task;
if (task_id == 0U) {
/* Change execution priority of calling task. */
os_tsk.run->prio = new_prio;
os_tsk.run->prio_base = new_prio;
run:if (rt_rdy_prio() > new_prio) {
rt_put_prio (&os_rdy, os_tsk.run);
os_tsk.run->state = READY;
rt_dispatch (NULL);
}
return (OS_R_OK);
}
/* Find the task in the "os_active_TCB" array. */
if ((task_id > os_maxtaskrun) || (os_active_TCB[task_id-1U] == NULL)) {
/* Task with "task_id" not found or not started. */
return (OS_R_NOK);
}
p_task = os_active_TCB[task_id-1U];
p_task->prio = new_prio;
p_task->prio_base = new_prio;
if (p_task == os_tsk.run) {
goto run;
}
rt_resort_prio (p_task);
if (p_task->state == READY) {
/* Task enqueued in a ready list. */
p_task = rt_get_first (&os_rdy);
rt_dispatch (p_task);
}
return (OS_R_OK);
}
/*--------------------------- rt_tsk_create ---------------------------------*/
OS_TID rt_tsk_create (FUNCP task, U32 prio_stksz, void *stk, void *argv) {
/* Start a new task declared with "task". */
P_TCB task_context;
U32 i;
/* Priority 0 is reserved for idle task! */
if ((prio_stksz & 0xFFU) == 0U) {
prio_stksz += 1U;
}
task_context = rt_alloc_box (mp_tcb);
if (task_context == NULL) {
return (0U);
}
/* If "size != 0" use a private user provided stack. */
task_context->stack = stk;
task_context->priv_stack = (U16)(prio_stksz >> 8);
/* Pass parameter 'argv' to 'rt_init_context' */
task_context->msg = argv;
/* For 'size == 0' system allocates the user stack from the memory pool. */
rt_init_context (task_context, (U8)(prio_stksz & 0xFFU), task);
/* Find a free entry in 'os_active_TCB' table. */
i = rt_get_TID ();
if (i == 0U) {
return (0U);
}
os_active_TCB[i-1U] = task_context;
task_context->task_id = (U8)i;
DBG_TASK_NOTIFY(task_context, __TRUE);
rt_dispatch (task_context);
return ((OS_TID)i);
}
/*--------------------------- rt_tsk_delete ---------------------------------*/
OS_RESULT rt_tsk_delete (OS_TID task_id) {
/* Terminate the task identified with "task_id". */
P_TCB task_context;
P_TCB p_TCB;
P_MUCB p_MCB, p_MCB0;
if ((task_id == 0U) || (task_id == os_tsk.run->task_id)) {
/* Terminate itself. */
os_tsk.run->state = INACTIVE;
os_tsk.run->tsk_stack = rt_get_PSP ();
rt_stk_check ();
p_MCB = os_tsk.run->p_mlnk;
while (p_MCB) {
/* Release mutexes owned by this task */
if (p_MCB->p_lnk) {
/* A task is waiting for mutex. */
p_TCB = rt_get_first ((P_XCB)p_MCB);
#ifdef __CMSIS_RTOS
rt_ret_val (p_TCB, 0U/*osOK*/);
#else
rt_ret_val (p_TCB, OS_R_MUT);
#endif
rt_rmv_dly (p_TCB);
p_TCB->state = READY;
rt_put_prio (&os_rdy, p_TCB);
/* A waiting task becomes the owner of this mutex. */
p_MCB0 = p_MCB->p_mlnk;
p_MCB->level = 1U;
p_MCB->owner = p_TCB;
p_MCB->p_mlnk = p_TCB->p_mlnk;
p_TCB->p_mlnk = p_MCB;
p_MCB = p_MCB0;
}
else {
p_MCB0 = p_MCB->p_mlnk;
p_MCB->level = 0U;
p_MCB->owner = NULL;
p_MCB->p_mlnk = NULL;
p_MCB = p_MCB0;
}
}
os_active_TCB[os_tsk.run->task_id-1U] = NULL;
rt_free_box (mp_stk, os_tsk.run->stack);
os_tsk.run->stack = NULL;
DBG_TASK_NOTIFY(os_tsk.run, __FALSE);
rt_free_box (mp_tcb, os_tsk.run);
os_tsk.run = NULL;
rt_dispatch (NULL);
/* The program should never come to this point. */
}
else {
/* Find the task in the "os_active_TCB" array. */
if ((task_id > os_maxtaskrun) || (os_active_TCB[task_id-1U] == NULL)) {
/* Task with "task_id" not found or not started. */
return (OS_R_NOK);
}
task_context = os_active_TCB[task_id-1U];
rt_rmv_list (task_context);
rt_rmv_dly (task_context);
p_MCB = task_context->p_mlnk;
while (p_MCB) {
/* Release mutexes owned by this task */
if (p_MCB->p_lnk) {
/* A task is waiting for mutex. */
p_TCB = rt_get_first ((P_XCB)p_MCB);
#ifdef __CMSIS_RTOS
rt_ret_val (p_TCB, 0U/*osOK*/);
#else
rt_ret_val (p_TCB, OS_R_MUT);
#endif
rt_rmv_dly (p_TCB);
p_TCB->state = READY;
rt_put_prio (&os_rdy, p_TCB);
/* A waiting task becomes the owner of this mutex. */
p_MCB0 = p_MCB->p_mlnk;
p_MCB->level = 1U;
p_MCB->owner = p_TCB;
p_MCB->p_mlnk = p_TCB->p_mlnk;
p_TCB->p_mlnk = p_MCB;
p_MCB = p_MCB0;
}
else {
p_MCB0 = p_MCB->p_mlnk;
p_MCB->level = 0U;
p_MCB->owner = NULL;
p_MCB->p_mlnk = NULL;
p_MCB = p_MCB0;
}
}
os_active_TCB[task_id-1U] = NULL;
rt_free_box (mp_stk, task_context->stack);
task_context->stack = NULL;
DBG_TASK_NOTIFY(task_context, __FALSE);
rt_free_box (mp_tcb, task_context);
if (rt_rdy_prio() > os_tsk.run->prio) {
/* Ready task has higher priority than running task. */
os_tsk.run->state = READY;
rt_put_prio (&os_rdy, os_tsk.run);
rt_dispatch (NULL);
}
}
return (OS_R_OK);
}
/*--------------------------- rt_sys_init -----------------------------------*/
#ifdef __CMSIS_RTOS
void rt_sys_init (void) {
#else
void rt_sys_init (FUNCP first_task, U32 prio_stksz, void *stk) {
#endif
/* Initialize system and start up task declared with "first_task". */
U32 i;
DBG_INIT();
/* Initialize dynamic memory and task TCB pointers to NULL. */
for (i = 0U; i < os_maxtaskrun; i++) {
os_active_TCB[i] = NULL;
}
rt_init_box (mp_tcb, (U32)mp_tcb_size, sizeof(struct OS_TCB));
rt_init_box (mp_stk, mp_stk_size, BOX_ALIGN_8 | (U16)(os_stackinfo));
rt_init_box ((U32 *)m_tmr, (U32)mp_tmr_size, sizeof(struct OS_TMR));
/* Set up TCB of idle demon */
os_idle_TCB.task_id = 255U;
os_idle_TCB.priv_stack = 0U;
rt_init_context (&os_idle_TCB, 0U, os_idle_demon);
/* Set up ready list: initially empty */
os_rdy.cb_type = HCB;
os_rdy.p_lnk = NULL;
/* Set up delay list: initially empty */
os_dly.cb_type = HCB;
os_dly.p_dlnk = NULL;
os_dly.p_blnk = NULL;
os_dly.delta_time = 0U;
/* Fix SP and system variables to assume idle task is running */
/* Transform main program into idle task by assuming idle TCB */
#ifndef __CMSIS_RTOS
rt_set_PSP (os_idle_TCB.tsk_stack+32U);
#endif
os_tsk.run = &os_idle_TCB;
os_tsk.run->state = RUNNING;
/* Initialize ps queue */
os_psq->first = 0U;
os_psq->last = 0U;
os_psq->size = os_fifo_size;
rt_init_robin ();
#ifndef __CMSIS_RTOS
/* Initialize SVC and PendSV */
rt_svc_init ();
/* Initialize and start system clock timer */
os_tick_irqn = os_tick_init ();
if (os_tick_irqn >= 0) {
OS_X_INIT((U32)os_tick_irqn);
}
/* Start up first user task before entering the endless loop */
rt_tsk_create (first_task, prio_stksz, stk, NULL);
#endif
}
/*--------------------------- rt_sys_start ----------------------------------*/
#ifdef __CMSIS_RTOS
void rt_sys_start (void) {
/* Start system */
/* Initialize SVC and PendSV */
rt_svc_init ();
/* Initialize and start system clock timer */
os_tick_irqn = os_tick_init ();
if (os_tick_irqn >= 0) {
OS_X_INIT((U32)os_tick_irqn);
}
}
#endif
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_TASK.H
* Purpose: Task functions and system start up.
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Definitions */
/* Values for 'state' */
#define INACTIVE 0U
#define READY 1U
#define RUNNING 2U
#define WAIT_DLY 3U
#define WAIT_ITV 4U
#define WAIT_OR 5U
#define WAIT_AND 6U
#define WAIT_SEM 7U
#define WAIT_MBX 8U
#define WAIT_MUT 9U
/* Return codes */
#define OS_R_TMO 0x01U
#define OS_R_EVT 0x02U
#define OS_R_SEM 0x03U
#define OS_R_MBX 0x04U
#define OS_R_MUT 0x05U
#define OS_R_OK 0x00U
#define OS_R_NOK 0xFFU
/* Variables */
extern struct OS_TSK os_tsk;
extern struct OS_TCB os_idle_TCB;
/* Functions */
extern void rt_switch_req (P_TCB p_next);
extern void rt_dispatch (P_TCB next_TCB);
extern void rt_block (U16 timeout, U8 block_state);
extern void rt_tsk_pass (void);
extern OS_TID rt_tsk_self (void);
extern OS_RESULT rt_tsk_prio (OS_TID task_id, U8 new_prio);
extern OS_TID rt_tsk_create (FUNCP task, U32 prio_stksz, void *stk, void *argv);
extern OS_RESULT rt_tsk_delete (OS_TID task_id);
#ifdef __CMSIS_RTOS
extern void rt_sys_init (void);
extern void rt_sys_start (void);
#else
extern void rt_sys_init (FUNCP first_task, U32 prio_stksz, void *stk);
#endif
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_TIME.C
* Purpose: Delay and interval wait functions
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_Task.h"
#include "rt_Time.h"
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
/* Free running system tick counter */
U32 os_time;
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_time_get -----------------------------------*/
U32 rt_time_get (void) {
/* Get system time tick */
return (os_time);
}
/*--------------------------- rt_dly_wait -----------------------------------*/
void rt_dly_wait (U16 delay_time) {
/* Delay task by "delay_time" */
rt_block (delay_time, WAIT_DLY);
}
/*--------------------------- rt_itv_set ------------------------------------*/
void rt_itv_set (U16 interval_time) {
/* Set interval length and define start of first interval */
os_tsk.run->interval_time = interval_time;
os_tsk.run->delta_time = interval_time + (U16)os_time;
}
/*--------------------------- rt_itv_wait -----------------------------------*/
void rt_itv_wait (void) {
/* Wait for interval end and define start of next one */
U16 delta;
delta = os_tsk.run->delta_time - (U16)os_time;
os_tsk.run->delta_time += os_tsk.run->interval_time;
if ((delta & 0x8000U) == 0U) {
rt_block (delta, WAIT_ITV);
}
}
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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external/CMSIS_5/CMSIS/RTOS/RTX/SRC/rt_Time.h vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_TIME.H
* Purpose: Delay and interval wait functions definitions
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Variables */
extern U32 os_time;
/* Functions */
extern U32 rt_time_get (void);
extern void rt_dly_wait (U16 delay_time);
extern void rt_itv_set (U16 interval_time);
extern void rt_itv_wait (void);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_TIMER.C
* Purpose: User timer functions
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "rt_TypeDef.h"
#include "RTX_Config.h"
#include "rt_Timer.h"
#include "rt_MemBox.h"
#ifndef __CMSIS_RTOS
/*----------------------------------------------------------------------------
* Global Variables
*---------------------------------------------------------------------------*/
/* User Timer list pointer */
struct OS_XTMR os_tmr;
/*----------------------------------------------------------------------------
* Functions
*---------------------------------------------------------------------------*/
/*--------------------------- rt_tmr_tick -----------------------------------*/
void rt_tmr_tick (void) {
/* Decrement delta count of timer list head. Timers having the value of */
/* zero are removed from the list and the callback function is called. */
P_TMR p;
if (os_tmr.next == NULL) {
return;
}
os_tmr.tcnt--;
while ((os_tmr.tcnt == 0U) && ((p = os_tmr.next) != NULL)) {
/* Call a user provided function to handle an elapsed timer */
os_tmr_call (p->info);
os_tmr.tcnt = p->tcnt;
os_tmr.next = p->next;
rt_free_box ((U32 *)m_tmr, p);
}
}
/*--------------------------- rt_tmr_create ---------------------------------*/
OS_ID rt_tmr_create (U16 tcnt, U16 info) {
/* Create an user timer and put it into the chained timer list using */
/* a timeout count value of "tcnt". User parameter "info" is used as a */
/* parameter for the user provided callback function "os_tmr_call ()". */
P_TMR p_tmr, p;
U32 delta,itcnt = tcnt;
if ((tcnt == 0U) || (m_tmr == NULL)) {
return (NULL);
}
p_tmr = rt_alloc_box ((U32 *)m_tmr);
if (!p_tmr) {
return (NULL);
}
p_tmr->info = info;
p = (P_TMR)&os_tmr;
delta = p->tcnt;
while ((delta < itcnt) && (p->next != NULL)) {
p = p->next;
delta += p->tcnt;
}
/* Right place found, insert timer into the list */
p_tmr->next = p->next;
p_tmr->tcnt = (U16)(delta - itcnt);
p->next = p_tmr;
p->tcnt -= p_tmr->tcnt;
return (p_tmr);
}
/*--------------------------- rt_tmr_kill -----------------------------------*/
OS_ID rt_tmr_kill (OS_ID timer) {
/* Remove user timer from the chained timer list. */
P_TMR p, p_tmr;
p_tmr = (P_TMR)timer;
p = (P_TMR)&os_tmr;
/* Search timer list for requested timer */
while (p->next != p_tmr) {
if (p->next == NULL) {
/* Failed, "timer" is not in the timer list */
return (p_tmr);
}
p = p->next;
}
/* Timer was found, remove it from the list */
p->next = p_tmr->next;
p->tcnt += p_tmr->tcnt;
rt_free_box ((U32 *)m_tmr, p_tmr);
/* Timer killed */
return (NULL);
}
#endif
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_TIMER.H
* Purpose: User timer functions
* Rev.: V4.70
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Variables */
extern struct OS_XTMR os_tmr;
/* Functions */
extern void rt_tmr_tick (void);
extern OS_ID rt_tmr_create (U16 tcnt, U16 info);
extern OS_ID rt_tmr_kill (OS_ID timer);
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

158
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RT_TYPEDEF.H
* Purpose: Type Definitions
* Rev.: V4.79
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
/* Types */
typedef char S8;
typedef unsigned char U8;
typedef short S16;
typedef unsigned short U16;
typedef int S32;
typedef unsigned int U32;
typedef long long S64;
typedef unsigned long long U64;
typedef unsigned char BIT;
typedef unsigned int BOOL;
typedef void (*FUNCP)(void);
typedef U32 OS_TID;
typedef void *OS_ID;
typedef U32 OS_RESULT;
typedef struct OS_TCB {
/* General part: identical for all implementations. */
U8 cb_type; /* Control Block Type */
U8 state; /* Task state */
U8 prio; /* Execution priority */
U8 task_id; /* Task ID value for optimized TCB access */
struct OS_TCB *p_lnk; /* Link pointer for ready/sem. wait list */
struct OS_TCB *p_rlnk; /* Link pointer for sem./mbx lst backwards */
struct OS_TCB *p_dlnk; /* Link pointer for delay list */
struct OS_TCB *p_blnk; /* Link pointer for delay list backwards */
U16 delta_time; /* Time until time out */
U16 interval_time; /* Time interval for periodic waits */
U16 events; /* Event flags */
U16 waits; /* Wait flags */
void **msg; /* Direct message passing when task waits */
struct OS_MUCB *p_mlnk; /* Link pointer for mutex owner list */
U8 prio_base; /* Base priority */
/* Hardware dependant part: specific for CM processor */
U8 stack_frame; /* Stack frame: 0=Basic, 1=Extended, */
/* (2=VFP/D16 stacked, 4=NEON/D32 stacked) */
U16 priv_stack; /* Private stack size, 0= system assigned */
U32 tsk_stack; /* Current task Stack pointer (R13) */
U32 *stack; /* Pointer to Task Stack memory block */
/* Task entry point used for uVision debugger */
FUNCP ptask; /* Task entry address */
} *P_TCB;
#define TCB_STACKF 37 /* 'stack_frame' offset */
#define TCB_TSTACK 40 /* 'tsk_stack' offset */
typedef struct OS_PSFE { /* Post Service Fifo Entry */
void *id; /* Object Identification */
U32 arg; /* Object Argument */
} *P_PSFE;
typedef struct OS_PSQ { /* Post Service Queue */
U8 first; /* FIFO Head Index */
U8 last; /* FIFO Tail Index */
U8 count; /* Number of stored items in FIFO */
U8 size; /* FIFO Size */
struct OS_PSFE q[1]; /* FIFO Content */
} *P_PSQ;
typedef struct OS_TSK {
P_TCB run; /* Current running task */
P_TCB next; /* Scheduled task to run */
} *P_TSK;
typedef struct OS_ROBIN { /* Round Robin Control */
P_TCB task; /* Round Robin task */
U16 time; /* Round Robin switch time */
U16 tout; /* Round Robin timeout */
} *P_ROBIN;
typedef struct OS_XCB {
U8 cb_type; /* Control Block Type */
struct OS_TCB *p_lnk; /* Link pointer for ready/sem. wait list */
struct OS_TCB *p_rlnk; /* Link pointer for sem./mbx lst backwards */
struct OS_TCB *p_dlnk; /* Link pointer for delay list */
struct OS_TCB *p_blnk; /* Link pointer for delay list backwards */
U16 delta_time; /* Time until time out */
} *P_XCB;
typedef struct OS_MCB {
U8 cb_type; /* Control Block Type */
U8 state; /* State flag variable */
U8 isr_st; /* State flag variable for isr functions */
struct OS_TCB *p_lnk; /* Chain of tasks waiting for message */
U16 first; /* Index of the message list begin */
U16 last; /* Index of the message list end */
U16 count; /* Actual number of stored messages */
U16 size; /* Maximum number of stored messages */
void *msg[1]; /* FIFO for Message pointers 1st element */
} *P_MCB;
typedef struct OS_SCB {
U8 cb_type; /* Control Block Type */
U8 mask; /* Semaphore token mask */
U16 tokens; /* Semaphore tokens */
struct OS_TCB *p_lnk; /* Chain of tasks waiting for tokens */
} *P_SCB;
typedef struct OS_MUCB {
U8 cb_type; /* Control Block Type */
U16 level; /* Call nesting level */
struct OS_TCB *p_lnk; /* Chain of tasks waiting for mutex */
struct OS_TCB *owner; /* Mutex owner task */
struct OS_MUCB *p_mlnk; /* Chain of mutexes by owner task */
} *P_MUCB;
typedef struct OS_XTMR {
struct OS_TMR *next;
U16 tcnt;
} *P_XTMR;
typedef struct OS_TMR {
struct OS_TMR *next; /* Link pointer to Next timer */
U16 tcnt; /* Timer delay count */
U16 info; /* User defined call info */
} *P_TMR;
typedef struct OS_BM {
void *free; /* Pointer to first free memory block */
void *end; /* Pointer to memory block end */
U32 blk_size; /* Memory block size */
} *P_BM;
/* Definitions */
#define __TRUE 1U
#define __FALSE 0U
#define NULL ((void *) 0)
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

304
external/CMSIS_5/CMSIS/RTOS/RTX/Templates/RTX_Conf_CM.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS - RTX
*----------------------------------------------------------------------------
* Name: RTX_Conf_CM.C
* Purpose: Configuration of CMSIS RTX Kernel for Cortex-M
* Rev.: V4.70.1
*----------------------------------------------------------------------------
*
* Copyright (c) 1999-2009 KEIL, 2009-2016 ARM Germany GmbH. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#include "cmsis_os.h"
/*----------------------------------------------------------------------------
* RTX User configuration part BEGIN
*---------------------------------------------------------------------------*/
//-------- <<< Use Configuration Wizard in Context Menu >>> -----------------
//
// <h>Thread Configuration
// =======================
//
// <o>Number of concurrent running user threads <1-250>
// <i> Defines max. number of user threads that will run at the same time.
// <i> Default: 6
#ifndef OS_TASKCNT
#define OS_TASKCNT 6
#endif
// <o>Default Thread stack size [bytes] <64-4096:8><#/4>
// <i> Defines default stack size for threads with osThreadDef stacksz = 0
// <i> Default: 200
#ifndef OS_STKSIZE
#define OS_STKSIZE 50 // this stack size value is in words
#endif
// <o>Main Thread stack size [bytes] <64-32768:8><#/4>
// <i> Defines stack size for main thread.
// <i> Default: 200
#ifndef OS_MAINSTKSIZE
#define OS_MAINSTKSIZE 50 // this stack size value is in words
#endif
// <o>Number of threads with user-provided stack size <0-250>
// <i> Defines the number of threads with user-provided stack size.
// <i> Default: 0
#ifndef OS_PRIVCNT
#define OS_PRIVCNT 0
#endif
// <o>Total stack size [bytes] for threads with user-provided stack size <0-1048576:8><#/4>
// <i> Defines the combined stack size for threads with user-provided stack size.
// <i> Default: 0
#ifndef OS_PRIVSTKSIZE
#define OS_PRIVSTKSIZE 0 // this stack size value is in words
#endif
// <q>Stack overflow checking
// <i> Enable stack overflow checks at thread switch.
// <i> Enabling this option increases slightly the execution time of a thread switch.
#ifndef OS_STKCHECK
#define OS_STKCHECK 1
#endif
// <q>Stack usage watermark
// <i> Initialize thread stack with watermark pattern for analyzing stack usage (current/maximum) in System and Thread Viewer.
// <i> Enabling this option increases significantly the execution time of osThreadCreate.
#ifndef OS_STKINIT
#define OS_STKINIT 0
#endif
// <o>Processor mode for thread execution
// <0=> Unprivileged mode
// <1=> Privileged mode
// <i> Default: Privileged mode
#ifndef OS_RUNPRIV
#define OS_RUNPRIV 1
#endif
// </h>
// <h>RTX Kernel Timer Tick Configuration
// ======================================
// <q> Use Cortex-M SysTick timer as RTX Kernel Timer
// <i> Cortex-M processors provide in most cases a SysTick timer that can be used as
// <i> as time-base for RTX.
#ifndef OS_SYSTICK
#define OS_SYSTICK 1
#endif
//
// <o>RTOS Kernel Timer input clock frequency [Hz] <1-1000000000>
// <i> Defines the input frequency of the RTOS Kernel Timer.
// <i> When the Cortex-M SysTick timer is used, the input clock
// <i> is on most systems identical with the core clock.
#ifndef OS_CLOCK
#define OS_CLOCK 12000000
#endif
// <o>RTX Timer tick interval value [us] <1-1000000>
// <i> The RTX Timer tick interval value is used to calculate timeout values.
// <i> When the Cortex-M SysTick timer is enabled, the value also configures the SysTick timer.
// <i> Default: 1000 (1ms)
#ifndef OS_TICK
#define OS_TICK 1000
#endif
// </h>
// <h>System Configuration
// =======================
//
// <e>Round-Robin Thread switching
// ===============================
//
// <i> Enables Round-Robin Thread switching.
#ifndef OS_ROBIN
#define OS_ROBIN 1
#endif
// <o>Round-Robin Timeout [ticks] <1-1000>
// <i> Defines how long a thread will execute before a thread switch.
// <i> Default: 5
#ifndef OS_ROBINTOUT
#define OS_ROBINTOUT 5
#endif
// </e>
// <e>User Timers
// ==============
// <i> Enables user Timers
#ifndef OS_TIMERS
#define OS_TIMERS 1
#endif
// <o>Timer Thread Priority
// <1=> Low
// <2=> Below Normal <3=> Normal <4=> Above Normal
// <5=> High
// <6=> Realtime (highest)
// <i> Defines priority for Timer Thread
// <i> Default: High
#ifndef OS_TIMERPRIO
#define OS_TIMERPRIO 5
#endif
// <o>Timer Thread stack size [bytes] <64-4096:8><#/4>
// <i> Defines stack size for Timer thread.
// <i> Default: 200
#ifndef OS_TIMERSTKSZ
#define OS_TIMERSTKSZ 50 // this stack size value is in words
#endif
// <o>Timer Callback Queue size <1-32>
// <i> Number of concurrent active timer callback functions.
// <i> Default: 4
#ifndef OS_TIMERCBQS
#define OS_TIMERCBQS 4
#endif
// </e>
// <o>ISR FIFO Queue size<4=> 4 entries <8=> 8 entries
// <12=> 12 entries <16=> 16 entries
// <24=> 24 entries <32=> 32 entries
// <48=> 48 entries <64=> 64 entries
// <96=> 96 entries
// <i> ISR functions store requests to this buffer,
// <i> when they are called from the interrupt handler.
// <i> Default: 16 entries
#ifndef OS_FIFOSZ
#define OS_FIFOSZ 16
#endif
// </h>
//------------- <<< end of configuration section >>> -----------------------
// Standard library system mutexes
// ===============================
// Define max. number system mutexes that are used to protect
// the arm standard runtime library. For microlib they are not used.
#ifndef OS_MUTEXCNT
#define OS_MUTEXCNT 8
#endif
/*----------------------------------------------------------------------------
* RTX User configuration part END
*---------------------------------------------------------------------------*/
#define OS_TRV ((uint32_t)(((double)OS_CLOCK*(double)OS_TICK)/1E6)-1)
/*----------------------------------------------------------------------------
* Global Functions
*---------------------------------------------------------------------------*/
/*--------------------------- os_idle_demon ---------------------------------*/
/// \brief The idle demon is running when no other thread is ready to run
void os_idle_demon (void) {
for (;;) {
/* HERE: include optional user code to be executed when no thread runs.*/
}
}
#if (OS_SYSTICK == 0) // Functions for alternative timer as RTX kernel timer
/*--------------------------- os_tick_init ----------------------------------*/
/// \brief Initializes an alternative hardware timer as RTX kernel timer
/// \return IRQ number of the alternative hardware timer
int os_tick_init (void) {
return (-1); /* Return IRQ number of timer (0..239) */
}
/*--------------------------- os_tick_val -----------------------------------*/
/// \brief Get alternative hardware timer's current value (0 .. OS_TRV)
/// \return Current value of the alternative hardware timer
uint32_t os_tick_val (void) {
return (0);
}
/*--------------------------- os_tick_ovf -----------------------------------*/
/// \brief Get alternative hardware timer's overflow flag
/// \return Overflow flag\n
/// - 1 : overflow
/// - 0 : no overflow
uint32_t os_tick_ovf (void) {
return (0);
}
/*--------------------------- os_tick_irqack --------------------------------*/
/// \brief Acknowledge alternative hardware timer interrupt
void os_tick_irqack (void) {
/* ... */
}
#endif // (OS_SYSTICK == 0)
/*--------------------------- os_error --------------------------------------*/
/* OS Error Codes */
#define OS_ERROR_STACK_OVF 1
#define OS_ERROR_FIFO_OVF 2
#define OS_ERROR_MBX_OVF 3
#define OS_ERROR_TIMER_OVF 4
extern osThreadId svcThreadGetId (void);
/// \brief Called when a runtime error is detected
/// \param[in] error_code actual error code that has been detected
void os_error (uint32_t error_code) {
/* HERE: include optional code to be executed on runtime error. */
switch (error_code) {
case OS_ERROR_STACK_OVF:
/* Stack overflow detected for the currently running task. */
/* Thread can be identified by calling svcThreadGetId(). */
break;
case OS_ERROR_FIFO_OVF:
/* ISR FIFO Queue buffer overflow detected. */
break;
case OS_ERROR_MBX_OVF:
/* Mailbox overflow detected. */
break;
case OS_ERROR_TIMER_OVF:
/* User Timer Callback Queue overflow detected. */
break;
default:
break;
}
for (;;);
}
/*----------------------------------------------------------------------------
* RTX Configuration Functions
*---------------------------------------------------------------------------*/
#include "RTX_CM_lib.h"
/*----------------------------------------------------------------------------
* end of file
*---------------------------------------------------------------------------*/

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#include "cmsis_os.h" // CMSIS RTOS header file
/*----------------------------------------------------------------------------
* Mail Queue creation & usage
*---------------------------------------------------------------------------*/
void Thread_MailQueue1 (void const *argument); // thread function 1
void Thread_MailQueue2 (void const *argument); // thread function 2
osThreadId tid_Thread_MailQueue1; // thread id 1
osThreadId tid_Thread_MailQueue2; // thread id 2
osThreadDef (Thread_MailQueue1, osPriorityNormal, 1, 0); // thread object 1
osThreadDef (Thread_MailQueue2, osPriorityNormal, 1, 0); // thread object 2
#define MAILQUEUE_OBJECTS 16 // number of Message Queue Objects
typedef struct { // object data type
uint8_t Buf[32];
uint8_t Idx;
} MAILQUEUE_OBJ_t;
osMailQId qid_MailQueue; // mail queue id
osMailQDef (MailQueue, MAILQUEUE_OBJECTS, MAILQUEUE_OBJ_t); // mail queue object
int Init_MailQueue (void) {
qid_MailQueue = osMailCreate (osMailQ(MailQueue), NULL); // create mail queue
if (!qid_MailQueue) {
; // Mail Queue object not created, handle failure
}
tid_Thread_MailQueue1 = osThreadCreate (osThread(Thread_MailQueue1), NULL);
if (!tid_Thread_MailQueue1) return(-1);
tid_Thread_MailQueue2 = osThreadCreate (osThread(Thread_MailQueue2), NULL);
if (!tid_Thread_MailQueue2) return(-1);
return(0);
}
void Thread_MailQueue1 (void const *argument) {
MAILQUEUE_OBJ_t *pMail = 0;
while (1) {
; // Insert thread code here...
pMail = osMailAlloc (qid_MailQueue, osWaitForever); // Allocate memory
if (pMail) {
pMail->Buf[0] = 0xff; // Set the mail content
pMail->Idx = 0;
osMailPut (qid_MailQueue, pMail); // Send Mail
}
osThreadYield (); // suspend thread
}
}
void Thread_MailQueue2 (void const *argument) {
MAILQUEUE_OBJ_t *pMail = 0;
osEvent evt;
while (1) {
; // Insert thread code here...
evt = osMailGet (qid_MailQueue, osWaitForever); // wait for mail
if (evt.status == osEventMail) {
pMail = evt.value.p;
if (pMail) {
; // process data
osMailFree (qid_MailQueue, pMail); // free memory allocated for mail
}
}
}
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/MemPool.c vendored Normal file
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#include "cmsis_os.h" // CMSIS RTOS header file
/*----------------------------------------------------------------------------
* Memory Pool creation & usage
*---------------------------------------------------------------------------*/
#define MEMPOOL_OBJECTS 16 // number of Memory Pool Objects
typedef struct { // object data type
uint8_t Buf[32];
uint8_t Idx;
} MEM_BLOCK_t;
void Thread_MemPool (void const *argument); // thread function
osThreadId tid_Thread_MemPool; // thread id
osThreadDef (Thread_MemPool, osPriorityNormal, 1, 0); // thread object
osPoolId mpid_MemPool; // memory pool id
osPoolDef (MemPool, MEMPOOL_OBJECTS, MEM_BLOCK_t); // memory pool object
int Init_MemPool (void) {
mpid_MemPool = osPoolCreate (osPool (MemPool)); // create Mem Pool
if (!mpid_MemPool) {
; // MemPool object not created, handle failure
}
tid_Thread_MemPool = osThreadCreate (osThread(Thread_MemPool), NULL);
if (!tid_Thread_MemPool) return(-1);
return(0);
}
void Thread_MemPool (void const *argument) {
osStatus status;
MEM_BLOCK_t *pMem = 0;
while (1) {
; // Insert thread code here...
pMem = (MEM_BLOCK_t *)osPoolCAlloc (mpid_MemPool); // get Mem Block
if (pMem) { // Mem Block was available
pMem->Buf[0] = 0x55; // do some work...
pMem->Idx = 0;
status = osPoolFree (mpid_MemPool, pMem); // free mem block
switch (status) {
case osOK:
break;
case osErrorParameter:
break;
case osErrorValue:
break;
default:
break;
}
}
osThreadYield (); // suspend thread
}
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/MsgQueue.c vendored Normal file
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#include "cmsis_os.h" // CMSIS RTOS header file
/*----------------------------------------------------------------------------
* Message Queue creation & usage
*---------------------------------------------------------------------------*/
void Thread_MsgQueue1 (void const *argument); // thread function 1
void Thread_MsgQueue2 (void const *argument); // thread function 2
osThreadId tid_Thread_MsgQueue1; // thread id 1
osThreadId tid_Thread_MsgQueue2; // thread id 2
osThreadDef (Thread_MsgQueue1, osPriorityNormal, 1, 0); // thread object 1
osThreadDef (Thread_MsgQueue2, osPriorityNormal, 1, 0); // thread object 2
#define MSGQUEUE_OBJECTS 16 // number of Message Queue Objects
typedef struct { // object data type
uint8_t Buf[32];
uint8_t Idx;
} MEM_BLOCK_t;
typedef struct { // object data type
uint8_t Buf[32];
uint8_t Idx;
} MSGQUEUE_OBJ_t;
osPoolId mpid_MemPool2; // memory pool id
osPoolDef (MemPool2, MSGQUEUE_OBJECTS, MEM_BLOCK_t); // memory pool object
osMessageQId mid_MsgQueue; // message queue id
osMessageQDef (MsgQueue, MSGQUEUE_OBJECTS, MSGQUEUE_OBJ_t); // message queue object
int Init_MsgQueue (void) {
mpid_MemPool2 = osPoolCreate (osPool (MemPool2)); // create Mem Pool
if (!mpid_MemPool2) {
; // MemPool object not created, handle failure
}
mid_MsgQueue = osMessageCreate (osMessageQ(MsgQueue), NULL); // create msg queue
if (!mid_MsgQueue) {
; // Message Queue object not created, handle failure
}
tid_Thread_MsgQueue1 = osThreadCreate (osThread(Thread_MsgQueue1), NULL);
if (!tid_Thread_MsgQueue1) return(-1);
tid_Thread_MsgQueue2 = osThreadCreate (osThread(Thread_MsgQueue2), NULL);
if (!tid_Thread_MsgQueue2) return(-1);
return(0);
}
void Thread_MsgQueue1 (void const *argument) {
MEM_BLOCK_t *pMsg = 0;
while (1) {
; // Insert thread code here...
pMsg = (MEM_BLOCK_t *)osPoolCAlloc (mpid_MemPool2); // get Mem Block
if (pMsg) { // Mem Block was available
pMsg->Buf[0] = 0x55; // do some work...
pMsg->Idx = 0;
osMessagePut (mid_MsgQueue, (uint32_t)pMsg, osWaitForever); // Send Message
}
osThreadYield (); // suspend thread
}
}
void Thread_MsgQueue2 (void const *argument) {
osEvent evt;
MEM_BLOCK_t *pMsg = 0;
while (1) {
; // Insert thread code here...
evt = osMessageGet (mid_MsgQueue, osWaitForever); // wait for message
if (evt.status == osEventMessage) {
pMsg = evt.value.p;
if (pMsg) {
; // process data
osPoolFree (mpid_MemPool2, pMsg); // free memory allocated for message
}
}
}
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/Mutex.c vendored Normal file
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#include "cmsis_os.h" // CMSIS RTOS header file
/*----------------------------------------------------------------------------
* Mutex creation & usage
*---------------------------------------------------------------------------*/
void Thread_Mutex (void const *argument); // thread function
osThreadId tid_Thread_Mutex; // thread id
osThreadDef (Thread_Mutex, osPriorityNormal, 1, 0); // thread object
osMutexId mid_Thread_Mutex; // mutex id
osMutexDef (SampleMutex); // mutex name definition
int Init_Mutex (void) {
mid_Thread_Mutex = osMutexCreate (osMutex (SampleMutex));
if (!tid_Thread_Mutex) {
; // Mutex object not created, handle failure
}
tid_Thread_Mutex = osThreadCreate (osThread(Thread_Mutex), NULL);
if (!tid_Thread_Mutex) return(-1);
return(0);
}
void Thread_Mutex (void const *argument) {
osStatus status;
while (1) {
; // Insert thread code here...
status = osMutexWait (mid_Thread_Mutex, NULL);
switch (status) {
case osOK:
; // Use protected code here...
osMutexRelease (mid_Thread_Mutex);
break;
case osErrorTimeoutResource:
break;
case osErrorResource:
break;
case osErrorParameter:
break;
case osErrorISR:
break;
default:
break;
}
osThreadYield (); // suspend thread
}
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/Semaphore.c vendored Normal file
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#include "cmsis_os.h" // CMSIS RTOS header file
/*----------------------------------------------------------------------------
* Semaphore creation & usage
*---------------------------------------------------------------------------*/
void Thread_Semaphore (void const *argument); // thread function
osThreadId tid_Thread_Semaphore; // thread id
osThreadDef (Thread_Semaphore, osPriorityNormal, 1, 0); // thread object
osSemaphoreId sid_Thread_Semaphore; // semaphore id
osSemaphoreDef (SampleSemaphore); // semaphore object
int Init_Semaphore (void) {
sid_Thread_Semaphore = osSemaphoreCreate (osSemaphore(SampleSemaphore), 1);
if (!sid_Thread_Semaphore) {
; // Semaphore object not created, handle failure
}
tid_Thread_Semaphore = osThreadCreate (osThread(Thread_Semaphore), NULL);
if (!tid_Thread_Semaphore) return(-1);
return(0);
}
void Thread_Semaphore (void const *argument) {
int32_t val;
while (1) {
; // Insert thread code here...
val = osSemaphoreWait (sid_Thread_Semaphore, 10); // wait 10 mSec
switch (val) {
case osOK:
; // Use protected code here...
osSemaphoreRelease (sid_Thread_Semaphore); // Return a token back to a semaphore
break;
case osErrorResource:
break;
case osErrorParameter:
break;
default:
break;
}
osThreadYield (); // suspend thread
}
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/Thread.c vendored Normal file
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#include "cmsis_os.h" // CMSIS RTOS header file
/*----------------------------------------------------------------------------
* Thread 1 'Thread_Name': Sample thread
*---------------------------------------------------------------------------*/
void Thread (void const *argument); // thread function
osThreadId tid_Thread; // thread id
osThreadDef (Thread, osPriorityNormal, 1, 0); // thread object
int Init_Thread (void) {
tid_Thread = osThreadCreate (osThread(Thread), NULL);
if (!tid_Thread) return(-1);
return(0);
}
void Thread (void const *argument) {
while (1) {
; // Insert thread code here...
osThreadYield (); // suspend thread
}
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/Timer.c vendored Normal file
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#include "cmsis_os.h" // CMSIS RTOS header file
/*----------------------------------------------------------------------------
* Timer: Sample timer functions
*---------------------------------------------------------------------------*/
/*----- One-Shoot Timer Example -----*/
static void Timer1_Callback (void const *arg); // prototype for timer callback function
static osTimerId id1; // timer id
static uint32_t exec1; // argument for the timer call back function
static osTimerDef (Timer1, Timer1_Callback); // define timers
// One-Shoot Timer Function
static void Timer1_Callback (void const *arg) {
// add user code here
}
/*----- Periodic Timer Example -----*/
static void Timer2_Callback (void const *arg); // prototype for timer callback function
static osTimerId id2; // timer id
static uint32_t exec2; // argument for the timer call back function
static osTimerDef (Timer2, Timer2_Callback);
// Periodic Timer Example
static void Timer2_Callback (void const *arg) {
// add user code here
}
// Example: Create and Start timers
void Init_Timers (void) {
osStatus status; // function return status
// Create one-shoot timer
exec1 = 1;
id1 = osTimerCreate (osTimer(Timer1), osTimerOnce, &exec1);
if (id1 != NULL) { // One-shot timer created
// start timer with delay 100ms
status = osTimerStart (id1, 100);
if (status != osOK) {
// Timer could not be started
}
}
// Create periodic timer
exec2 = 2;
id2 = osTimerCreate (osTimer(Timer2), osTimerPeriodic, &exec2);
if (id2 != NULL) { // Periodic timer created
// start timer with periodic 1000ms interval
status = osTimerStart (id2, 1000);
if (status != osOK) {
// Timer could not be started
}
}
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/main.c vendored Normal file
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/*----------------------------------------------------------------------------
* CMSIS-RTOS 'main' function template
*---------------------------------------------------------------------------*/
#define osObjectsPublic // define objects in main module
#include "osObjects.h" // RTOS object definitions
/*
* main: initialize and start the system
*/
int main (void) {
osKernelInitialize (); // initialize CMSIS-RTOS
// initialize peripherals here
// create 'thread' functions that start executing,
// example: tid_name = osThreadCreate (osThread(name), NULL);
osKernelStart (); // start thread execution
}

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external/CMSIS_5/CMSIS/RTOS/RTX/UserCodeTemplates/osObjects.h vendored Normal file
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/*----------------------------------------------------------------------------
* osObjects.h: CMSIS-RTOS global object definitions for an application
*----------------------------------------------------------------------------
*
* This header file defines global RTOS objects used throughout a project
*
* #define osObjectsPublic indicates that objects are defined; without that
* definition the objects are defined as external symbols.
*
*--------------------------------------------------------------------------*/
#ifndef __osObjects
#define __osObjects
#if (!defined (osObjectsPublic))
#define osObjectsExternal // define RTOS objects with extern attribute
#endif
#include "cmsis_os.h" // CMSIS RTOS header file
// global 'thread' functions ---------------------------------------------------
/*
Example:
extern void sample_name (void const *argument); // thread function
osThreadId tid_sample_name; // thread id
osThreadDef (sample_name, osPriorityNormal, 1, 0); // thread object
*/
// global 'semaphores' ----------------------------------------------------------
/*
Example:
osSemaphoreId sid_sample_name; // semaphore id
osSemaphoreDef (sample_name); // semaphore object
*/
// global 'memory pools' --------------------------------------------------------
/*
Example:
typedef struct sample_name type_sample_name; // object data type
osPoolId mpid_sample_name; // memory pool id
osPoolDef (sample_name, 16, type_sample_name); // memory pool object
*/
// global 'message queues' -------------------------------------------------------
/*
Example:
typedef struct sample_name type_sample_name; // object data type
osMessageQId mid_sample_name; // message queue id
osMessageQDef (sample_name, 16, type_sample_name); // message queue object
*/
// global 'mail queues' ----------------------------------------------------------
/*
Example:
typedef struct sample_name type_sample_name; // object data type
osMailQId qid_sample_name; // mail queue id
osMailQDef (sample_name, 16, type_sample_name); // mail queue object
*/
#endif // __osObjects

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external/CMSIS_5/CMSIS/RTOS/Template/CPP/Mail.h vendored Normal file
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/* Copyright (c) 2012 mbed.org */
#ifndef MAIL_H
#define MAIL_H
#include <stdint.h>
#include <string.h>
#include "cmsis_os.h"
namespace rtos {
/*! The Mail class allow to control, send, receive, or wait for mail.
A mail is a memory block that is send to a thread or interrupt service routine.
\tparam T data type of a single message element.
\tparam queue_sz maximum number of messages in queue.
*/
template<typename T, uint32_t queue_sz>
class Mail {
public:
/*! Create and Initialise Mail queue. */
Mail() {
#ifdef CMSIS_OS_RTX
memset(_mail_q, 0, sizeof(_mail_q));
_mail_p[0] = _mail_q;
memset(_mail_m, 0, sizeof(_mail_m));
_mail_p[1] = _mail_m;
_mail_def.pool = _mail_p;
_mail_def.queue_sz = queue_sz;
_mail_def.item_sz = sizeof(T);
#endif
_mail_id = osMailCreate(&_mail_def, NULL);
}
/*! Allocate a memory block of type T
\param millisec timeout value or 0 in case of no time-out. (default: 0).
\return pointer to memory block that can be filled with mail or NULL in case error.
*/
T* alloc(uint32_t millisec=0) {
return (T*)osMailAlloc(_mail_id, millisec);
}
/*! Allocate a memory block of type T and set memory block to zero.
\param millisec timeout value or 0 in case of no time-out. (default: 0).
\return pointer to memory block that can be filled with mail or NULL in case error.
*/
T* calloc(uint32_t millisec=0) {
return (T*)osMailCAlloc(_mail_id, millisec);
}
/*! Put a mail in the queue.
\param mptr memory block previously allocated with Mail::alloc or Mail::calloc.
\return status code that indicates the execution status of the function.
*/
osStatus put(T *mptr) {
return osMailPut(_mail_id, (void*)mptr);
}
/*! Get a mail from a queue.
\param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
\return event that contains mail information or error code.
*/
osEvent get(uint32_t millisec=osWaitForever) {
return osMailGet(_mail_id, millisec);
}
/*! Free a memory block from a mail.
\param mptr pointer to the memory block that was obtained with Mail::get.
\return status code that indicates the execution status of the function.
*/
osStatus free(T *mptr) {
return osMailFree(_mail_id, (void*)mptr);
}
private:
osMailQId _mail_id;
osMailQDef_t _mail_def;
#ifdef CMSIS_OS_RTX
uint32_t _mail_q[4+(queue_sz)];
uint32_t _mail_m[3+((sizeof(T)+3)/4)*(queue_sz)];
void *_mail_p[2];
#endif
};
}
#endif

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external/CMSIS_5/CMSIS/RTOS/Template/CPP/MemoryPool.h vendored Normal file
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/* Copyright (c) 2012 mbed.org */
#ifndef MEMORYPOOL_H
#define MEMORYPOOL_H
#include <stdint.h>
#include <string.h>
#include "cmsis_os.h"
namespace rtos {
/*! Define and manage fixed-size memory pools of objects of a given type.
\tparam T data type of a single object (element).
\tparam queue_sz maximum number of objects (elements) in the memory pool.
*/
template<typename T, uint32_t pool_sz>
class MemoryPool {
public:
/*! Create and Initialize a memory pool. */
MemoryPool() {
#ifdef CMSIS_OS_RTX
memset(_pool_m, 0, sizeof(_pool_m));
_pool_def.pool = _pool_m;
_pool_def.pool_sz = pool_sz;
_pool_def.item_sz = sizeof(T);
#endif
_pool_id = osPoolCreate(&_pool_def);
}
/*! Allocate a memory block of type T from a memory pool.
\return address of the allocated memory block or NULL in case of no memory available.
*/
T* alloc(void) {
return (T*)osPoolAlloc(_pool_id);
}
/*! Allocate a memory block of type T from a memory pool and set memory block to zero.
\return address of the allocated memory block or NULL in case of no memory available.
*/
T* calloc(void) {
return (T*)osPoolCAlloc(_pool_id);
}
/*! Return an allocated memory block back to a specific memory pool.
\param address of the allocated memory block that is returned to the memory pool.
\return status code that indicates the execution status of the function.
*/
osStatus free(T *block) {
return osPoolFree(_pool_id, (void*)block);
}
private:
osPoolId _pool_id;
osPoolDef_t _pool_def;
#ifdef CMSIS_OS_RTX
uint32_t _pool_m[3+((sizeof(T)+3)/4)*(pool_sz)];
#endif
};
}
#endif

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#include "Mutex.h"
#include <string.h>
//#include "error.h"
namespace rtos {
Mutex::Mutex() {
#ifdef CMSIS_OS_RTX
memset(_mutex_data, 0, sizeof(_mutex_data));
_osMutexDef.mutex = _mutex_data;
#endif
_osMutexId = osMutexCreate(&_osMutexDef);
if (_osMutexId == NULL) {
// error("Error initializing the mutex object\n");
}
}
osStatus Mutex::lock(uint32_t millisec) {
return osMutexWait(_osMutexId, millisec);
}
bool Mutex::trylock() {
return (osMutexWait(_osMutexId, 0) == osOK);
}
osStatus Mutex::unlock() {
return osMutexRelease(_osMutexId);
}
}

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/* Copyright (c) 2012 mbed.org */
#ifndef MUTEX_H
#define MUTEX_H
#include <stdint.h>
#include "cmsis_os.h"
namespace rtos {
/*! The Mutex class is used to synchronise the execution of threads.
This is for example used to protect access to a shared resource.
*/
class Mutex {
public:
/*! Create and Initialize a Mutex object */
Mutex();
/*! Wait until a Mutex becomes available.
\param millisec timeout value or 0 in case of no time-out. (default: osWaitForever)
\return status code that indicates the execution status of the function.
*/
osStatus lock(uint32_t millisec=osWaitForever);
/*! Try to lock the mutex, and return immediately
\return true if the mutex was acquired, false otherwise.
*/
bool trylock();
/*! Unlock the mutex that has previously been locked by the same thread
\return status code that indicates the execution status of the function.
*/
osStatus unlock();
private:
osMutexId _osMutexId;
osMutexDef_t _osMutexDef;
#ifdef CMSIS_OS_RTX
int32_t _mutex_data[3];
#endif
};
}
#endif

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/* Copyright (c) 2012 mbed.org */
#ifndef QUEUE_H
#define QUEUE_H
#include <stdint.h>
#include <string.h>
#include "cmsis_os.h"
#include "error.h"
namespace rtos {
/*! The Queue class allow to control, send, receive, or wait for messages.
A message can be a integer or pointer value to a certain type T that is send
to a thread or interrupt service routine.
\tparam T data type of a single message element.
\tparam queue_sz maximum number of messages in queue.
*/
template<typename T, uint32_t queue_sz>
class Queue {
public:
/*! Create and initialise a message Queue. */
Queue() {
#ifdef CMSIS_OS_RTX
memset(_queue_q, 0, sizeof(_queue_q));
_queue_def.pool = _queue_q;
_queue_def.queue_sz = queue_sz;
#endif
_queue_id = osMessageCreate(&_queue_def, NULL);
if (_queue_id == NULL) {
error("Error initialising the queue object\n");
}
}
/*! Put a message in a Queue.
\param data message pointer.
\param millisec timeout value or 0 in case of no time-out. (default: 0)
\return status code that indicates the execution status of the function.
*/
osStatus put(T* data, uint32_t millisec=0) {
return osMessagePut(_queue_id, (uint32_t)data, millisec);
}
/*! Get a message or Wait for a message from a Queue.
\param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
\return event information that includes the message and the status code.
*/
osEvent get(uint32_t millisec=osWaitForever) {
return osMessageGet(_queue_id, millisec);
}
private:
osMessageQId _queue_id;
osMessageQDef_t _queue_def;
#ifdef CMSIS_OS_RTX
uint32_t _queue_q[4+(queue_sz)];
#endif
};
}
#endif

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#include "RtosTimer.h"
#include <string.h>
#include "cmsis_os.h"
//#include "error.h"
namespace rtos {
RtosTimer::RtosTimer(void (*periodic_task)(void const *argument), os_timer_type type, void *argument) {
#ifdef CMSIS_OS_RTX
_timer.ptimer = periodic_task;
memset(_timer_data, 0, sizeof(_timer_data));
_timer.timer = _timer_data;
#endif
_timer_id = osTimerCreate(&_timer, type, argument);
}
osStatus RtosTimer::start(uint32_t millisec) {
return osTimerStart(_timer_id, millisec);
}
osStatus RtosTimer::stop(void) {
return osTimerStop(_timer_id);
}
}

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/* Copyright (c) 2012 mbed.org */
#ifndef TIMER_H
#define TIMER_H
#include <stdint.h>
#include "cmsis_os.h"
namespace rtos {
/*! The RtosTimer class allow creating and and controlling of timer functions in the system.
A timer function is called when a time period expires whereby both on-shot and
periodic timers are possible. A timer can be started, restarted, or stopped.
Timers are handled in the thread osTimerThread.
Callback functions run under control of this thread and may use CMSIS-RTOS API calls.
*/
class RtosTimer {
public:
/*! Create and Start timer.
\param task name of the timer call back function.
\param type osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
\param argument argument to the timer call back function. (default: NULL)
*/
RtosTimer(void (*task)(void const *argument),
os_timer_type type=osTimerPeriodic,
void *argument=NULL);
/*! Stop the timer.
\return status code that indicates the execution status of the function.
*/
osStatus stop(void);
/*! start a timer.
\param millisec time delay value of the timer.
\return status code that indicates the execution status of the function.
*/
osStatus start(uint32_t millisec);
private:
osTimerId _timer_id;
osTimerDef_t _timer;
#ifdef CMSIS_OS_RTX
uint32_t _timer_data[5];
#endif
};
}
#endif

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external/CMSIS_5/CMSIS/RTOS/Template/CPP/Semaphore.cpp vendored Normal file
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#include "Semaphore.h"
#include <string.h>
//#include "error.h"
namespace rtos {
Semaphore::Semaphore(int32_t count) {
#ifdef CMSIS_OS_RTX
memset(_semaphore_data, 0, sizeof(_semaphore_data));
_osSemaphoreDef.semaphore = _semaphore_data;
#endif
_osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count);
}
int32_t Semaphore::wait(uint32_t millisec) {
return osSemaphoreWait(_osSemaphoreId, millisec);
}
osStatus Semaphore::release(void) {
return osSemaphoreRelease(_osSemaphoreId);
}
}

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/* Copyright (c) 2012 mbed.org */
#ifndef SEMAPHORE_H
#define SEMAPHORE_H
#include <stdint.h>
#include "cmsis_os.h"
namespace rtos {
/*! The Semaphore class is used to manage and protect access to a set of shared resources. */
class Semaphore {
public:
/*! Create and Initialize a Semaphore object used for managing resources.
\param number of available resources; maximum index value is (count-1).
*/
Semaphore(int32_t count);
/*! Wait until a Semaphore resource becomes available.
\param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
\return number of available tokens, or -1 in case of incorrect parameters
*/
int32_t wait(uint32_t millisec=osWaitForever);
/*! Release a Semaphore resource that was obtain with Semaphore::wait.
\return status code that indicates the execution status of the function.
*/
osStatus release(void);
private:
osSemaphoreId _osSemaphoreId;
osSemaphoreDef_t _osSemaphoreDef;
#ifdef CMSIS_OS_RTX
uint32_t _semaphore_data[2];
#endif
};
}
#endif

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external/CMSIS_5/CMSIS/RTOS/Template/CPP/Thread.cpp vendored Normal file
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#include "Thread.h"
namespace rtos {
Thread::Thread(void (*task)(void const *argument),
void *argument,
osPriority priority,
uint32_t stacksize) {
// The actual fields of os_thread_def are implementation specific in every CMSIS-RTOS
#ifdef CMSIS_OS_RTX
_thread_def.pthread = task;
_thread_def.tpriority = priority;
_thread_def.instances = 1;
_thread_def.stacksize = stacksize;
#endif
_tid = osThreadCreate(&_thread_def, argument);
}
osStatus Thread::terminate() {
return osThreadTerminate(_tid);
}
osStatus Thread::set_priority(osPriority priority) {
return osThreadSetPriority(_tid, priority);
}
osPriority Thread::get_priority() {
return osThreadGetPriority(_tid);
}
int32_t Thread::signal_set(int32_t signals) {
return osSignalSet(_tid, signals);
}
osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) {
return osSignalWait(signals, millisec);
}
osStatus Thread::wait(uint32_t millisec) {
return osDelay(millisec);
}
osStatus Thread::yield() {
return osThreadYield();
}
osThreadId Thread::gettid() {
return osThreadGetId();
}
}

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/* Copyright (c) 2012 mbed.org */
#ifndef THREAD_H
#define THREAD_H
#include <stdint.h>
#include "cmsis_os.h"
#define DEFAULT_STACK_SIZE 0x1000
namespace rtos {
/*! The Thread class allow defining, creating, and controlling thread functions in the system. */
class Thread {
public:
/*! Create a new thread, and start it executing the specified function.
\param task function to be executed by this thread.
\param argument pointer that is passed to the thread function as start argument. (default: NULL).
\param priority initial priority of the thread function. (default: osPriorityNormal).
\param stacksz stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
*/
Thread(void (*task)(void const *argument),
void *argument=NULL,
osPriority priority=osPriorityNormal,
uint32_t stacksize=DEFAULT_STACK_SIZE);
/*! Terminate execution of a thread and remove it from Active Threads
\return status code that indicates the execution status of the function.
*/
osStatus terminate();
/*! Set priority of an active thread
\param priority new priority value for the thread function.
\return status code that indicates the execution status of the function.
*/
osStatus set_priority(osPriority priority);
/*! Get priority of an active thread
\ return current priority value of the thread function.
*/
osPriority get_priority();
/*! Set the specified Signal Flags of an active thread.
\param signals specifies the signal flags of the thread that should be set.
\return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
*/
int32_t signal_set(int32_t signals);
/*! Wait for one or more Signal Flags to become signaled for the current RUNNING thread.
\param signals wait until all specified signal flags set or 0 for any single signal flag.
\param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
\return event flag information or error code.
*/
static osEvent signal_wait(int32_t signals, uint32_t millisec=osWaitForever);
/*! Wait for a specified time period in millisec:
\param millisec time delay value
\return status code that indicates the execution status of the function.
*/
static osStatus wait(uint32_t millisec);
/*! Pass control to next thread that is in state READY.
\return status code that indicates the execution status of the function.
*/
static osStatus yield();
/*! Get the thread id of the current running thread.
\return thread ID for reference by other functions or NULL in case of error.
*/
static osThreadId gettid();
private:
osThreadId _tid;
osThreadDef_t _thread_def;
};
}
#endif

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external/CMSIS_5/CMSIS/RTOS/Template/CPP/rtos.h vendored Normal file
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/* mbed Microcontroller Library
* Copyright (c) 2006-2012 ARM Limited. All rights reserved.
*/
#ifndef RTOS_H
#define RTOS_H
#include "Thread.h"
#include "Mutex.h"
#include "RtosTimer.h"
#include "Semaphore.h"
#include "Mail.h"
#include "MemoryPool.h"
#include "Queue.h"
using namespace rtos;
#endif

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external/CMSIS_5/CMSIS/RTOS/Template/Hist.txt vendored Normal file
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This file describes the changes of the CMSIS-RTOS API interface for internal use
================================================================================
changes V1.0 -> V1.01
=====================
Preparation for C++ class interface
===================================
---> const attribute moved to macros (to support C++ interface).
const attribute removed from typedef's (to allow C++ class interface).
osThreadDef_t, osTimerDef_t, osMutexDef_t, osSemaphoreDef_t, osPoolDef_t, osMessageQDef_t, osMailQDef_t.
const added to the osXxxxDef macros:
osThreadDef, osTimerDef, osMutexDef, osSemaphoreDef, osPoolDef, osMessageQDef, osMailQDef
Allow to remove Timer/Mutex/Semaphore objects
=============================================
Added: osTimerDelete, osMutexDelete, osSemaphoreDelete
Added function that initializes (but does not start) the osKernel
=================================================================
Added: osKernelInitialize
osKernelStart changed to osKernelStart (void)
====================================================================
Version 1.02
Control functions for short timeouts in microsecond resolution:
Added: osKernelSysTick, osKernelSysTickFrequency, osKernelSysTick_uSec
Removed: osSignalGet
Still open for discussion
=========================
Adding Low Power extensions
We have added Low Power extensions to RTX a while ago.
http://www.keil.com/support/man/docs/rlarm/rlarm_ar_low_power.htm
We should look into this solution (os_suspend/os_resume) and add this functionality to CMSIS RTOS by extending the API. Probably we can use the same two functions (renamed to fit CMSIS RTOS) but we need to check if this fits (for example os_resume parameter is in system ticks <20> same as in os_time_get)

364
external/CMSIS_5/CMSIS/RTOS/Template/Template.uvopt vendored Normal file
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@@ -0,0 +1,465 @@
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698
external/CMSIS_5/CMSIS/RTOS/Template/cmsis_os.h vendored Normal file
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/* ----------------------------------------------------------------------
* $Date: 5. February 2013
* $Revision: V1.02
*
* Project: CMSIS-RTOS API
* Title: cmsis_os.h template header file
*
* Version 0.02
* Initial Proposal Phase
* Version 0.03
* osKernelStart added, optional feature: main started as thread
* osSemaphores have standard behavior
* osTimerCreate does not start the timer, added osTimerStart
* osThreadPass is renamed to osThreadYield
* Version 1.01
* Support for C++ interface
* - const attribute removed from the osXxxxDef_t typedef's
* - const attribute added to the osXxxxDef macros
* Added: osTimerDelete, osMutexDelete, osSemaphoreDelete
* Added: osKernelInitialize
* Version 1.02
* Control functions for short timeouts in microsecond resolution:
* Added: osKernelSysTick, osKernelSysTickFrequency, osKernelSysTickMicroSec
* Removed: osSignalGet
*----------------------------------------------------------------------------
*
* Copyright (c) 2013-2017 ARM LIMITED
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*---------------------------------------------------------------------------*/
#ifndef _CMSIS_OS_H
#define _CMSIS_OS_H
/// \note MUST REMAIN UNCHANGED: \b osCMSIS identifies the CMSIS-RTOS API version.
#define osCMSIS 0x10002 ///< API version (main [31:16] .sub [15:0])
/// \note CAN BE CHANGED: \b osCMSIS_KERNEL identifies the underlying RTOS kernel and version number.
#define osCMSIS_KERNEL 0x10000 ///< RTOS identification and version (main [31:16] .sub [15:0])
/// \note MUST REMAIN UNCHANGED: \b osKernelSystemId shall be consistent in every CMSIS-RTOS.
#define osKernelSystemId "KERNEL V1.00" ///< RTOS identification string
/// \note MUST REMAIN UNCHANGED: \b osFeature_xxx shall be consistent in every CMSIS-RTOS.
#define osFeature_MainThread 1 ///< main thread 1=main can be thread, 0=not available
#define osFeature_Pool 1 ///< Memory Pools: 1=available, 0=not available
#define osFeature_MailQ 1 ///< Mail Queues: 1=available, 0=not available
#define osFeature_MessageQ 1 ///< Message Queues: 1=available, 0=not available
#define osFeature_Signals 8 ///< maximum number of Signal Flags available per thread
#define osFeature_Semaphore 30 ///< maximum count for \ref osSemaphoreCreate function
#define osFeature_Wait 1 ///< osWait function: 1=available, 0=not available
#define osFeature_SysTick 1 ///< osKernelSysTick functions: 1=available, 0=not available
#include <stdint.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C"
{
#endif
// ==== Enumeration, structures, defines ====
/// Priority used for thread control.
/// \note MUST REMAIN UNCHANGED: \b osPriority shall be consistent in every CMSIS-RTOS.
typedef enum {
osPriorityIdle = -3, ///< priority: idle (lowest)
osPriorityLow = -2, ///< priority: low
osPriorityBelowNormal = -1, ///< priority: below normal
osPriorityNormal = 0, ///< priority: normal (default)
osPriorityAboveNormal = +1, ///< priority: above normal
osPriorityHigh = +2, ///< priority: high
osPriorityRealtime = +3, ///< priority: realtime (highest)
osPriorityError = 0x84 ///< system cannot determine priority or thread has illegal priority
} osPriority;
/// Timeout value.
/// \note MUST REMAIN UNCHANGED: \b osWaitForever shall be consistent in every CMSIS-RTOS.
#define osWaitForever 0xFFFFFFFF ///< wait forever timeout value
/// Status code values returned by CMSIS-RTOS functions.
/// \note MUST REMAIN UNCHANGED: \b osStatus shall be consistent in every CMSIS-RTOS.
typedef enum {
osOK = 0, ///< function completed; no error or event occurred.
osEventSignal = 0x08, ///< function completed; signal event occurred.
osEventMessage = 0x10, ///< function completed; message event occurred.
osEventMail = 0x20, ///< function completed; mail event occurred.
osEventTimeout = 0x40, ///< function completed; timeout occurred.
osErrorParameter = 0x80, ///< parameter error: a mandatory parameter was missing or specified an incorrect object.
osErrorResource = 0x81, ///< resource not available: a specified resource was not available.
osErrorTimeoutResource = 0xC1, ///< resource not available within given time: a specified resource was not available within the timeout period.
osErrorISR = 0x82, ///< not allowed in ISR context: the function cannot be called from interrupt service routines.
osErrorISRRecursive = 0x83, ///< function called multiple times from ISR with same object.
osErrorPriority = 0x84, ///< system cannot determine priority or thread has illegal priority.
osErrorNoMemory = 0x85, ///< system is out of memory: it was impossible to allocate or reserve memory for the operation.
osErrorValue = 0x86, ///< value of a parameter is out of range.
osErrorOS = 0xFF, ///< unspecified RTOS error: run-time error but no other error message fits.
os_status_reserved = 0x7FFFFFFF ///< prevent from enum down-size compiler optimization.
} osStatus;
/// Timer type value for the timer definition.
/// \note MUST REMAIN UNCHANGED: \b os_timer_type shall be consistent in every CMSIS-RTOS.
typedef enum {
osTimerOnce = 0, ///< one-shot timer
osTimerPeriodic = 1 ///< repeating timer
} os_timer_type;
/// Entry point of a thread.
/// \note MUST REMAIN UNCHANGED: \b os_pthread shall be consistent in every CMSIS-RTOS.
typedef void (*os_pthread) (void const *argument);
/// Entry point of a timer call back function.
/// \note MUST REMAIN UNCHANGED: \b os_ptimer shall be consistent in every CMSIS-RTOS.
typedef void (*os_ptimer) (void const *argument);
// >>> the following data type definitions may shall adapted towards a specific RTOS
/// Thread ID identifies the thread (pointer to a thread control block).
/// \note CAN BE CHANGED: \b os_thread_cb is implementation specific in every CMSIS-RTOS.
typedef struct os_thread_cb *osThreadId;
/// Timer ID identifies the timer (pointer to a timer control block).
/// \note CAN BE CHANGED: \b os_timer_cb is implementation specific in every CMSIS-RTOS.
typedef struct os_timer_cb *osTimerId;
/// Mutex ID identifies the mutex (pointer to a mutex control block).
/// \note CAN BE CHANGED: \b os_mutex_cb is implementation specific in every CMSIS-RTOS.
typedef struct os_mutex_cb *osMutexId;
/// Semaphore ID identifies the semaphore (pointer to a semaphore control block).
/// \note CAN BE CHANGED: \b os_semaphore_cb is implementation specific in every CMSIS-RTOS.
typedef struct os_semaphore_cb *osSemaphoreId;
/// Pool ID identifies the memory pool (pointer to a memory pool control block).
/// \note CAN BE CHANGED: \b os_pool_cb is implementation specific in every CMSIS-RTOS.
typedef struct os_pool_cb *osPoolId;
/// Message ID identifies the message queue (pointer to a message queue control block).
/// \note CAN BE CHANGED: \b os_messageQ_cb is implementation specific in every CMSIS-RTOS.
typedef struct os_messageQ_cb *osMessageQId;
/// Mail ID identifies the mail queue (pointer to a mail queue control block).
/// \note CAN BE CHANGED: \b os_mailQ_cb is implementation specific in every CMSIS-RTOS.
typedef struct os_mailQ_cb *osMailQId;
/// Thread Definition structure contains startup information of a thread.
/// \note CAN BE CHANGED: \b os_thread_def is implementation specific in every CMSIS-RTOS.
typedef struct os_thread_def {
os_pthread pthread; ///< start address of thread function
osPriority tpriority; ///< initial thread priority
uint32_t instances; ///< maximum number of instances of that thread function
uint32_t stacksize; ///< stack size requirements in bytes; 0 is default stack size
} osThreadDef_t;
/// Timer Definition structure contains timer parameters.
/// \note CAN BE CHANGED: \b os_timer_def is implementation specific in every CMSIS-RTOS.
typedef struct os_timer_def {
os_ptimer ptimer; ///< start address of a timer function
} osTimerDef_t;
/// Mutex Definition structure contains setup information for a mutex.
/// \note CAN BE CHANGED: \b os_mutex_def is implementation specific in every CMSIS-RTOS.
typedef struct os_mutex_def {
uint32_t dummy; ///< dummy value.
} osMutexDef_t;
/// Semaphore Definition structure contains setup information for a semaphore.
/// \note CAN BE CHANGED: \b os_semaphore_def is implementation specific in every CMSIS-RTOS.
typedef struct os_semaphore_def {
uint32_t dummy; ///< dummy value.
} osSemaphoreDef_t;
/// Definition structure for memory block allocation.
/// \note CAN BE CHANGED: \b os_pool_def is implementation specific in every CMSIS-RTOS.
typedef struct os_pool_def {
uint32_t pool_sz; ///< number of items (elements) in the pool
uint32_t item_sz; ///< size of an item
void *pool; ///< pointer to memory for pool
} osPoolDef_t;
/// Definition structure for message queue.
/// \note CAN BE CHANGED: \b os_messageQ_def is implementation specific in every CMSIS-RTOS.
typedef struct os_messageQ_def {
uint32_t queue_sz; ///< number of elements in the queue
uint32_t item_sz; ///< size of an item
void *pool; ///< memory array for messages
} osMessageQDef_t;
/// Definition structure for mail queue.
/// \note CAN BE CHANGED: \b os_mailQ_def is implementation specific in every CMSIS-RTOS.
typedef struct os_mailQ_def {
uint32_t queue_sz; ///< number of elements in the queue
uint32_t item_sz; ///< size of an item
void *pool; ///< memory array for mail
} osMailQDef_t;
/// Event structure contains detailed information about an event.
/// \note MUST REMAIN UNCHANGED: \b os_event shall be consistent in every CMSIS-RTOS.
/// However the struct may be extended at the end.
typedef struct {
osStatus status; ///< status code: event or error information
union {
uint32_t v; ///< message as 32-bit value
void *p; ///< message or mail as void pointer
int32_t signals; ///< signal flags
} value; ///< event value
union {
osMailQId mail_id; ///< mail id obtained by \ref osMailCreate
osMessageQId message_id; ///< message id obtained by \ref osMessageCreate
} def; ///< event definition
} osEvent;
// ==== Kernel Control Functions ====
/// Initialize the RTOS Kernel for creating objects.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osKernelInitialize shall be consistent in every CMSIS-RTOS.
osStatus osKernelInitialize (void);
/// Start the RTOS Kernel.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osKernelStart shall be consistent in every CMSIS-RTOS.
osStatus osKernelStart (void);
/// Check if the RTOS kernel is already started.
/// \note MUST REMAIN UNCHANGED: \b osKernelRunning shall be consistent in every CMSIS-RTOS.
/// \return 0 RTOS is not started, 1 RTOS is started.
int32_t osKernelRunning(void);
#if (defined (osFeature_SysTick) && (osFeature_SysTick != 0)) // System Timer available
/// Get the RTOS kernel system timer counter
/// \note MUST REMAIN UNCHANGED: \b osKernelSysTick shall be consistent in every CMSIS-RTOS.
/// \return RTOS kernel system timer as 32-bit value
uint32_t osKernelSysTick (void);
/// The RTOS kernel system timer frequency in Hz
/// \note Reflects the system timer setting and is typically defined in a configuration file.
#define osKernelSysTickFrequency 100000000
/// Convert a microseconds value to a RTOS kernel system timer value.
/// \param microsec time value in microseconds.
/// \return time value normalized to the \ref osKernelSysTickFrequency
#define osKernelSysTickMicroSec(microsec) (((uint64_t)microsec * (osKernelSysTickFrequency)) / 1000000)
#endif // System Timer available
// ==== Thread Management ====
/// Create a Thread Definition with function, priority, and stack requirements.
/// \param name name of the thread function.
/// \param priority initial priority of the thread function.
/// \param instances number of possible thread instances.
/// \param stacksz stack size (in bytes) requirements for the thread function.
/// \note CAN BE CHANGED: The parameters to \b osThreadDef shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osThreadDef(name, priority, instances, stacksz) \
extern const osThreadDef_t os_thread_def_##name
#else // define the object
#define osThreadDef(name, priority, instances, stacksz) \
const osThreadDef_t os_thread_def_##name = \
{ (name), (priority), (instances), (stacksz) }
#endif
/// Access a Thread definition.
/// \param name name of the thread definition object.
/// \note CAN BE CHANGED: The parameter to \b osThread shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#define osThread(name) \
&os_thread_def_##name
/// Create a thread and add it to Active Threads and set it to state READY.
/// \param[in] thread_def thread definition referenced with \ref osThread.
/// \param[in] argument pointer that is passed to the thread function as start argument.
/// \return thread ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osThreadCreate shall be consistent in every CMSIS-RTOS.
osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument);
/// Return the thread ID of the current running thread.
/// \return thread ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osThreadGetId shall be consistent in every CMSIS-RTOS.
osThreadId osThreadGetId (void);
/// Terminate execution of a thread and remove it from Active Threads.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osThreadTerminate shall be consistent in every CMSIS-RTOS.
osStatus osThreadTerminate (osThreadId thread_id);
/// Pass control to next thread that is in state \b READY.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osThreadYield shall be consistent in every CMSIS-RTOS.
osStatus osThreadYield (void);
/// Change priority of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \param[in] priority new priority value for the thread function.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osThreadSetPriority shall be consistent in every CMSIS-RTOS.
osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority);
/// Get current priority of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \return current priority value of the thread function.
/// \note MUST REMAIN UNCHANGED: \b osThreadGetPriority shall be consistent in every CMSIS-RTOS.
osPriority osThreadGetPriority (osThreadId thread_id);
// ==== Generic Wait Functions ====
/// Wait for Timeout (Time Delay).
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "time delay" value
/// \return status code that indicates the execution status of the function.
osStatus osDelay (uint32_t millisec);
#if (defined (osFeature_Wait) && (osFeature_Wait != 0)) // Generic Wait available
/// Wait for Signal, Message, Mail, or Timeout.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return event that contains signal, message, or mail information or error code.
/// \note MUST REMAIN UNCHANGED: \b osWait shall be consistent in every CMSIS-RTOS.
osEvent osWait (uint32_t millisec);
#endif // Generic Wait available
// ==== Timer Management Functions ====
/// Define a Timer object.
/// \param name name of the timer object.
/// \param function name of the timer call back function.
/// \note CAN BE CHANGED: The parameter to \b osTimerDef shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osTimerDef(name, function) \
extern const osTimerDef_t os_timer_def_##name
#else // define the object
#define osTimerDef(name, function) \
const osTimerDef_t os_timer_def_##name = \
{ (function) }
#endif
/// Access a Timer definition.
/// \param name name of the timer object.
/// \note CAN BE CHANGED: The parameter to \b osTimer shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#define osTimer(name) \
&os_timer_def_##name
/// Create a timer.
/// \param[in] timer_def timer object referenced with \ref osTimer.
/// \param[in] type osTimerOnce for one-shot or osTimerPeriodic for periodic behavior.
/// \param[in] argument argument to the timer call back function.
/// \return timer ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osTimerCreate shall be consistent in every CMSIS-RTOS.
osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument);
/// Start or restart a timer.
/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "time delay" value of the timer.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osTimerStart shall be consistent in every CMSIS-RTOS.
osStatus osTimerStart (osTimerId timer_id, uint32_t millisec);
/// Stop the timer.
/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osTimerStop shall be consistent in every CMSIS-RTOS.
osStatus osTimerStop (osTimerId timer_id);
/// Delete a timer that was created by \ref osTimerCreate.
/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osTimerDelete shall be consistent in every CMSIS-RTOS.
osStatus osTimerDelete (osTimerId timer_id);
// ==== Signal Management ====
/// Set the specified Signal Flags of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \param[in] signals specifies the signal flags of the thread that should be set.
/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
/// \note MUST REMAIN UNCHANGED: \b osSignalSet shall be consistent in every CMSIS-RTOS.
int32_t osSignalSet (osThreadId thread_id, int32_t signals);
/// Clear the specified Signal Flags of an active thread.
/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
/// \param[in] signals specifies the signal flags of the thread that shall be cleared.
/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters or call from ISR.
/// \note MUST REMAIN UNCHANGED: \b osSignalClear shall be consistent in every CMSIS-RTOS.
int32_t osSignalClear (osThreadId thread_id, int32_t signals);
/// Wait for one or more Signal Flags to become signaled for the current \b RUNNING thread.
/// \param[in] signals wait until all specified signal flags set or 0 for any single signal flag.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return event flag information or error code.
/// \note MUST REMAIN UNCHANGED: \b osSignalWait shall be consistent in every CMSIS-RTOS.
osEvent osSignalWait (int32_t signals, uint32_t millisec);
// ==== Mutex Management ====
/// Define a Mutex.
/// \param name name of the mutex object.
/// \note CAN BE CHANGED: The parameter to \b osMutexDef shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osMutexDef(name) \
extern const osMutexDef_t os_mutex_def_##name
#else // define the object
#define osMutexDef(name) \
const osMutexDef_t os_mutex_def_##name = { 0 }
#endif
/// Access a Mutex definition.
/// \param name name of the mutex object.
/// \note CAN BE CHANGED: The parameter to \b osMutex shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#define osMutex(name) \
&os_mutex_def_##name
/// Create and Initialize a Mutex object.
/// \param[in] mutex_def mutex definition referenced with \ref osMutex.
/// \return mutex ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osMutexCreate shall be consistent in every CMSIS-RTOS.
osMutexId osMutexCreate (const osMutexDef_t *mutex_def);
/// Wait until a Mutex becomes available.
/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osMutexWait shall be consistent in every CMSIS-RTOS.
osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec);
/// Release a Mutex that was obtained by \ref osMutexWait.
/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osMutexRelease shall be consistent in every CMSIS-RTOS.
osStatus osMutexRelease (osMutexId mutex_id);
/// Delete a Mutex that was created by \ref osMutexCreate.
/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osMutexDelete shall be consistent in every CMSIS-RTOS.
osStatus osMutexDelete (osMutexId mutex_id);
// ==== Semaphore Management Functions ====
#if (defined (osFeature_Semaphore) && (osFeature_Semaphore != 0)) // Semaphore available
/// Define a Semaphore object.
/// \param name name of the semaphore object.
/// \note CAN BE CHANGED: The parameter to \b osSemaphoreDef shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osSemaphoreDef(name) \
extern const osSemaphoreDef_t os_semaphore_def_##name
#else // define the object
#define osSemaphoreDef(name) \
const osSemaphoreDef_t os_semaphore_def_##name = { 0 }
#endif
/// Access a Semaphore definition.
/// \param name name of the semaphore object.
/// \note CAN BE CHANGED: The parameter to \b osSemaphore shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#define osSemaphore(name) \
&os_semaphore_def_##name
/// Create and Initialize a Semaphore object used for managing resources.
/// \param[in] semaphore_def semaphore definition referenced with \ref osSemaphore.
/// \param[in] count number of available resources.
/// \return semaphore ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osSemaphoreCreate shall be consistent in every CMSIS-RTOS.
osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count);
/// Wait until a Semaphore token becomes available.
/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return number of available tokens, or -1 in case of incorrect parameters.
/// \note MUST REMAIN UNCHANGED: \b osSemaphoreWait shall be consistent in every CMSIS-RTOS.
int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec);
/// Release a Semaphore token.
/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osSemaphoreRelease shall be consistent in every CMSIS-RTOS.
osStatus osSemaphoreRelease (osSemaphoreId semaphore_id);
/// Delete a Semaphore that was created by \ref osSemaphoreCreate.
/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osSemaphoreDelete shall be consistent in every CMSIS-RTOS.
osStatus osSemaphoreDelete (osSemaphoreId semaphore_id);
#endif // Semaphore available
// ==== Memory Pool Management Functions ====
#if (defined (osFeature_Pool) && (osFeature_Pool != 0)) // Memory Pool Management available
/// \brief Define a Memory Pool.
/// \param name name of the memory pool.
/// \param no maximum number of blocks (objects) in the memory pool.
/// \param type data type of a single block (object).
/// \note CAN BE CHANGED: The parameter to \b osPoolDef shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osPoolDef(name, no, type) \
extern const osPoolDef_t os_pool_def_##name
#else // define the object
#define osPoolDef(name, no, type) \
const osPoolDef_t os_pool_def_##name = \
{ (no), sizeof(type), NULL }
#endif
/// \brief Access a Memory Pool definition.
/// \param name name of the memory pool
/// \note CAN BE CHANGED: The parameter to \b osPool shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#define osPool(name) \
&os_pool_def_##name
/// Create and Initialize a memory pool.
/// \param[in] pool_def memory pool definition referenced with \ref osPool.
/// \return memory pool ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osPoolCreate shall be consistent in every CMSIS-RTOS.
osPoolId osPoolCreate (const osPoolDef_t *pool_def);
/// Allocate a memory block from a memory pool.
/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
/// \return address of the allocated memory block or NULL in case of no memory available.
/// \note MUST REMAIN UNCHANGED: \b osPoolAlloc shall be consistent in every CMSIS-RTOS.
void *osPoolAlloc (osPoolId pool_id);
/// Allocate a memory block from a memory pool and set memory block to zero.
/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
/// \return address of the allocated memory block or NULL in case of no memory available.
/// \note MUST REMAIN UNCHANGED: \b osPoolCAlloc shall be consistent in every CMSIS-RTOS.
void *osPoolCAlloc (osPoolId pool_id);
/// Return an allocated memory block back to a specific memory pool.
/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
/// \param[in] block address of the allocated memory block that is returned to the memory pool.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osPoolFree shall be consistent in every CMSIS-RTOS.
osStatus osPoolFree (osPoolId pool_id, void *block);
#endif // Memory Pool Management available
// ==== Message Queue Management Functions ====
#if (defined (osFeature_MessageQ) && (osFeature_MessageQ != 0)) // Message Queues available
/// \brief Create a Message Queue Definition.
/// \param name name of the queue.
/// \param queue_sz maximum number of messages in the queue.
/// \param type data type of a single message element (for debugger).
/// \note CAN BE CHANGED: The parameter to \b osMessageQDef shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osMessageQDef(name, queue_sz, type) \
extern const osMessageQDef_t os_messageQ_def_##name
#else // define the object
#define osMessageQDef(name, queue_sz, type) \
const osMessageQDef_t os_messageQ_def_##name = \
{ (queue_sz), sizeof (type) }
#endif
/// \brief Access a Message Queue Definition.
/// \param name name of the queue
/// \note CAN BE CHANGED: The parameter to \b osMessageQ shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#define osMessageQ(name) \
&os_messageQ_def_##name
/// Create and Initialize a Message Queue.
/// \param[in] queue_def queue definition referenced with \ref osMessageQ.
/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
/// \return message queue ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osMessageCreate shall be consistent in every CMSIS-RTOS.
osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id);
/// Put a Message to a Queue.
/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
/// \param[in] info message information.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osMessagePut shall be consistent in every CMSIS-RTOS.
osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
/// Get a Message or Wait for a Message from a Queue.
/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
/// \return event information that includes status code.
/// \note MUST REMAIN UNCHANGED: \b osMessageGet shall be consistent in every CMSIS-RTOS.
osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec);
#endif // Message Queues available
// ==== Mail Queue Management Functions ====
#if (defined (osFeature_MailQ) && (osFeature_MailQ != 0)) // Mail Queues available
/// \brief Create a Mail Queue Definition.
/// \param name name of the queue
/// \param queue_sz maximum number of messages in queue
/// \param type data type of a single message element
/// \note CAN BE CHANGED: The parameter to \b osMailQDef shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#if defined (osObjectsExternal) // object is external
#define osMailQDef(name, queue_sz, type) \
extern const osMailQDef_t os_mailQ_def_##name
#else // define the object
#define osMailQDef(name, queue_sz, type) \
const osMailQDef_t os_mailQ_def_##name = \
{ (queue_sz), sizeof (type) }
#endif
/// \brief Access a Mail Queue Definition.
/// \param name name of the queue
/// \note CAN BE CHANGED: The parameter to \b osMailQ shall be consistent but the
/// macro body is implementation specific in every CMSIS-RTOS.
#define osMailQ(name) \
&os_mailQ_def_##name
/// Create and Initialize mail queue.
/// \param[in] queue_def reference to the mail queue definition obtain with \ref osMailQ
/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
/// \return mail queue ID for reference by other functions or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osMailCreate shall be consistent in every CMSIS-RTOS.
osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id);
/// Allocate a memory block from a mail.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return pointer to memory block that can be filled with mail or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osMailAlloc shall be consistent in every CMSIS-RTOS.
void *osMailAlloc (osMailQId queue_id, uint32_t millisec);
/// Allocate a memory block from a mail and set memory block to zero.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return pointer to memory block that can be filled with mail or NULL in case of error.
/// \note MUST REMAIN UNCHANGED: \b osMailCAlloc shall be consistent in every CMSIS-RTOS.
void *osMailCAlloc (osMailQId queue_id, uint32_t millisec);
/// Put a mail to a queue.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] mail memory block previously allocated with \ref osMailAlloc or \ref osMailCAlloc.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osMailPut shall be consistent in every CMSIS-RTOS.
osStatus osMailPut (osMailQId queue_id, void *mail);
/// Get a mail from a queue.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
/// \return event that contains mail information or error code.
/// \note MUST REMAIN UNCHANGED: \b osMailGet shall be consistent in every CMSIS-RTOS.
osEvent osMailGet (osMailQId queue_id, uint32_t millisec);
/// Free a memory block from a mail.
/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
/// \param[in] mail pointer to the memory block that was obtained with \ref osMailGet.
/// \return status code that indicates the execution status of the function.
/// \note MUST REMAIN UNCHANGED: \b osMailFree shall be consistent in every CMSIS-RTOS.
osStatus osMailFree (osMailQId queue_id, void *mail);
#endif // Mail Queues available
#ifdef __cplusplus
}
#endif
#endif // _CMSIS_OS_H

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#include "cmsis_os.h" // CMSIS RTOS header file
extern void thread_sample (void const *argument); // prototype
typedef struct a {
char y[100];
} a_element;
osThreadDef (thread_sample, osPriorityBelowNormal, 2, 100);
osPoolDef(MyPool, 10, struct a);
osMessageQDef(MyMessage, 10, a_element *);
osMailQDef(MyMail, 10, a_element);

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/* ----------------------------------------------------------------------
* Copyright (C) 2011 ARM Limited. All rights reserved.
*
* $Date: 30. November 2011
* $Revision: V0.02
*
* Project: CMSIS-RTOS API
* Title: os_sample.c
*
* Description: This file shows the usage of the CMSIS-RTOS API.
*
*
* Version 0.02
* Initial Proposal Phase
* -------------------------------------------------------------------- */
#include "my_objects.h" // Define CMSIS OS Objects
// dummy functions since there is no OS today
/// Add a thread to ActiveThreads and set it to state READY
osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument) { return osOK; }
/// Terminate execution of a thread and remove it from ActiveThreads
osStatus osThreadTerminate (osThreadId thread_id) { return osOK; }
/// Change prority of an existing thread
osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority) { return osOK; }
/// Get current prority of an existing thread
osPriority osThreadGetPriority (osThreadId thread_id) { return osPriorityNormal; }
osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) { return NULL; }
osThreadId osThreadGetId (void) { return 0; }
osStatus status;
osThreadId thread_sample1;
osThreadId thread_sample2;
osMessageQDef(TcpMessageQ0, 10, a_element *);
osMessageQDef(TcpMessageQ1, 10, a_element *);
osMessageQDef(TcpMessageQ2, 10, a_element *);
osMessageQDef(TcpMessageQ3, 10, a_element *);
const osMessageQDef_t *TcpMessageQDef[4]
#if 1
= {
osMessageQ(TcpMessageQ0),
osMessageQ(TcpMessageQ1),
osMessageQ(TcpMessageQ2),
osMessageQ(TcpMessageQ3),
}
#endif
;
osMessageQId TcpMessageQ[4];
void CreateMessageQueues (void) {
uint32_t i;
for (i = 0; i < 4; i++) {
TcpMessageQ[i] = osMessageCreate (TcpMessageQDef[i], NULL);
}
}
int main (void) {
thread_sample1 = osThreadCreate (osThread (thread_sample), NULL);
thread_sample2 = osThreadCreate (osThread (thread_sample), NULL);
}

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/* ----------------------------------------------------------------------
* Copyright (C) 2011 ARM Limited. All rights reserved.
*
* $Date: 30. November 2011
* $Revision: V0.02
*
* Project: CMSIS-RTOS API
* Title: os_sample1.c
*
* Description: This file shows the usage of the CMSIS-RTOS API.
*
* Version 0.02
* Initial Proposal Phase
* -------------------------------------------------------------------- */
#define osObjectsExternal
#include "my_objects.h" // Reference CMSIS OS Objects
void thread_sample (void const *argument) {
osThreadId my_thread;
osPriority my_priority;
int i = 1000;
my_thread = osThreadGetId();
my_priority = osThreadGetPriority (my_thread); // Get priority of own thread
while (i > 0) {
osThreadSetPriority (my_thread, osPriorityAboveNormal);
i--;
}
osThreadSetPriority (my_thread, my_priority);
osThreadTerminate (my_thread); // terminate own thread
}

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;/*****************************************************************************
; * @file: startup_LPC177x_8x.s
; * @purpose: CMSIS Cortex-M3 Core Device Startup File
; * for the NXP LPC177x_8x Device Series
; * @version: V1.20
; * @date: 07. October 2010
; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
; *
; * Copyright (C) 2010 ARM Limited. All rights reserved.
; * ARM Limited (ARM) is supplying this software for use with Cortex-M3
; * processor based microcontrollers. This file can be freely distributed
; * within development tools that are supporting such ARM based processors.
; *
; * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
; *
; *****************************************************************************/
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00000200
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000000
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD WDT_IRQHandler ; 16: Watchdog Timer
DCD TIMER0_IRQHandler ; 17: Timer0
DCD TIMER1_IRQHandler ; 18: Timer1
DCD TIMER2_IRQHandler ; 19: Timer2
DCD TIMER3_IRQHandler ; 20: Timer3
DCD UART0_IRQHandler ; 21: UART0
DCD UART1_IRQHandler ; 22: UART1
DCD UART2_IRQHandler ; 23: UART2
DCD UART3_IRQHandler ; 24: UART3
DCD PWM1_IRQHandler ; 25: PWM1
DCD I2C0_IRQHandler ; 26: I2C0
DCD I2C1_IRQHandler ; 27: I2C1
DCD I2C2_IRQHandler ; 28: I2C2
DCD SPIFI_IRQHandler ; 29: SPIFI
DCD SSP0_IRQHandler ; 30: SSP0
DCD SSP1_IRQHandler ; 31: SSP1
DCD PLL0_IRQHandler ; 32: PLL0 Lock (Main PLL)
DCD RTC_IRQHandler ; 33: Real Time Clock
DCD EINT0_IRQHandler ; 34: External Interrupt 0
DCD EINT1_IRQHandler ; 35: External Interrupt 1
DCD EINT2_IRQHandler ; 36: External Interrupt 2
DCD EINT3_IRQHandler ; 37: External Interrupt 3
DCD ADC_IRQHandler ; 38: A/D Converter
DCD BOD_IRQHandler ; 39: Brown-Out Detect
DCD USB_IRQHandler ; 40: USB
DCD CAN_IRQHandler ; 41: CAN
DCD DMA_IRQHandler ; 42: General Purpose DMA
DCD I2S_IRQHandler ; 43: I2S
DCD ENET_IRQHandler ; 44: Ethernet
DCD MCI_IRQHandler ; 45: SD/MMC card I/F
DCD MCPWM_IRQHandler ; 46: Motor Control PWM
DCD QEI_IRQHandler ; 47: Quadrature Encoder Interface
DCD PLL1_IRQHandler ; 48: PLL1 Lock (USB PLL)
DCD USBActivity_IRQHandler ; 49: USB Activity interrupt to wakeup
DCD CANActivity_IRQHandler ; 50: CAN Activity interrupt to wakeup
DCD UART4_IRQHandler ; 51: UART4
DCD SSP2_IRQHandler ; 52: SSP2
DCD LCD_IRQHandler ; 53: LCD
DCD GPIO_IRQHandler ; 54: GPIO
DCD PWM0_IRQHandler ; 55: PWM0
DCD EEPROM_IRQHandler ; 56: EEPROM
IF :LNOT::DEF:NO_CRP
AREA |.ARM.__at_0x02FC|, CODE, READONLY
CRP_Key DCD 0xFFFFFFFF
ENDIF
AREA |.text|, CODE, READONLY
; Reset Handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT WDT_IRQHandler [WEAK]
EXPORT TIMER0_IRQHandler [WEAK]
EXPORT TIMER1_IRQHandler [WEAK]
EXPORT TIMER2_IRQHandler [WEAK]
EXPORT TIMER3_IRQHandler [WEAK]
EXPORT UART0_IRQHandler [WEAK]
EXPORT UART1_IRQHandler [WEAK]
EXPORT UART2_IRQHandler [WEAK]
EXPORT UART3_IRQHandler [WEAK]
EXPORT PWM1_IRQHandler [WEAK]
EXPORT I2C0_IRQHandler [WEAK]
EXPORT I2C1_IRQHandler [WEAK]
EXPORT I2C2_IRQHandler [WEAK]
EXPORT SPIFI_IRQHandler [WEAK]
EXPORT SSP0_IRQHandler [WEAK]
EXPORT SSP1_IRQHandler [WEAK]
EXPORT PLL0_IRQHandler [WEAK]
EXPORT RTC_IRQHandler [WEAK]
EXPORT EINT0_IRQHandler [WEAK]
EXPORT EINT1_IRQHandler [WEAK]
EXPORT EINT2_IRQHandler [WEAK]
EXPORT EINT3_IRQHandler [WEAK]
EXPORT ADC_IRQHandler [WEAK]
EXPORT BOD_IRQHandler [WEAK]
EXPORT USB_IRQHandler [WEAK]
EXPORT CAN_IRQHandler [WEAK]
EXPORT DMA_IRQHandler [WEAK]
EXPORT I2S_IRQHandler [WEAK]
EXPORT ENET_IRQHandler [WEAK]
EXPORT MCI_IRQHandler [WEAK]
EXPORT MCPWM_IRQHandler [WEAK]
EXPORT QEI_IRQHandler [WEAK]
EXPORT PLL1_IRQHandler [WEAK]
EXPORT USBActivity_IRQHandler [WEAK]
EXPORT CANActivity_IRQHandler [WEAK]
EXPORT UART4_IRQHandler [WEAK]
EXPORT SSP2_IRQHandler [WEAK]
EXPORT LCD_IRQHandler [WEAK]
EXPORT GPIO_IRQHandler [WEAK]
EXPORT PWM0_IRQHandler [WEAK]
EXPORT EEPROM_IRQHandler [WEAK]
WDT_IRQHandler
TIMER0_IRQHandler
TIMER1_IRQHandler
TIMER2_IRQHandler
TIMER3_IRQHandler
UART0_IRQHandler
UART1_IRQHandler
UART2_IRQHandler
UART3_IRQHandler
PWM1_IRQHandler
I2C0_IRQHandler
I2C1_IRQHandler
I2C2_IRQHandler
SPIFI_IRQHandler
SSP0_IRQHandler
SSP1_IRQHandler
PLL0_IRQHandler
RTC_IRQHandler
EINT0_IRQHandler
EINT1_IRQHandler
EINT2_IRQHandler
EINT3_IRQHandler
ADC_IRQHandler
BOD_IRQHandler
USB_IRQHandler
CAN_IRQHandler
DMA_IRQHandler
I2S_IRQHandler
ENET_IRQHandler
MCI_IRQHandler
MCPWM_IRQHandler
QEI_IRQHandler
PLL1_IRQHandler
USBActivity_IRQHandler
CANActivity_IRQHandler
UART4_IRQHandler
SSP2_IRQHandler
LCD_IRQHandler
GPIO_IRQHandler
PWM0_IRQHandler
EEPROM_IRQHandler
B .
ENDP
ALIGN
; User Initial Stack & Heap
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

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/***********************************************************************//**
* @file system_LPC177x_8x.c
* @brief CMSIS Cortex-M3 Device Peripheral Access Layer Source File
* for the NXP LPC177x_8x Device Series
* @version V1.11
* @date 10. November. 2010
* @author NXP MCU SW Application Team
**************************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
**********************************************************************/
#include <stdint.h>
#include "LPC177x_8x.h"
#include "system_LPC177x_8x.h"
/*
//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------
*/
/*--------------------- Clock Configuration ----------------------------------
//
// <e> Clock Configuration
// <h> System Controls and Status Register (SCS)
// <o1.0> EMC_SHIFT: EMC Shift enable
// <0=> Static CS addresses match bus width; AD[1] = 0 for 32 bit, AD[0] = 0 for 16+32 bit
// <1=> Static CS addresses start at LSB 0 regardless of memory width
// <o1.1> EMC_RESET: EMC Reset disable
// <0=> EMC will be reset by any chip reset
// <1=> Portions of EMC will only be reset by POR or BOR
// <o1.2> EMC_BURST: EMC Burst disable
// <o1.3> MCIPWR_LEVEL: SD card interface signal SD_PWR Active Level selection
// <0=> SD_PWR is active low
// <1=> SD_PWR is active high
// <o1.4> OSCRANGE: Main Oscillator Range Select
// <0=> 1 MHz to 20 MHz
// <1=> 15 MHz to 25 MHz
// <o1.5> OSCEN: Main Oscillator enable
// </h>
//
// <h> Clock Source Select Register (CLKSRCSEL)
// <o2.0> CLKSRC: sysclk and PLL0 clock source selection
// <0=> Internal RC oscillator
// <1=> Main oscillator
// </h>
//
// <e3> PLL0 Configuration (Main PLL)
// <h> PLL0 Configuration Register (PLL0CFG)
// <i> PLL out clock = (F_cco / (2 * P))
// <i> F_cco = (F_in * M * 2 * P)
// <i> F_in must be in the range of 1 MHz to 25 MHz
// <i> F_cco must be in the range of 9.75 MHz to 160 MHz
// <o4.0..4> MSEL: PLL Multiplier Selection
// <i> M Value
// <1-32><#-1>
// <o4.5..6> PSEL: PLL Divider Selection
// <i> P Value
// <0=> 1
// <1=> 2
// <2=> 4
// <3=> 8
// </h>
// </e>
//
// <e5> PLL1 Configuration (Alt PLL)
// <h> PLL1 Configuration Register (PLL1CFG)
// <i> PLL out clock = (F_cco / (2 * P))
// <i> F_cco = (F_in * M * 2 * P)
// <i> F_in must be in the range of 1 MHz to 25 MHz
// <i> F_cco must be in the range of 9.75 MHz to 160 MHz
// <o6.0..4> MSEL: PLL Multiplier Selection
// <i> M Value
// <1-32><#-1>
// <o6.5..6> PSEL: PLL Divider Selection
// <i> P Value
// <0=> 1
// <1=> 2
// <2=> 4
// <3=> 8
// </h>
// </e>
//
// <h> CPU Clock Selection Register (CCLKSEL)
// <o7.0..4> CCLKDIV: CPU clock (CCLK) divider
// <i> 0: The divider is turned off. No clock will be provided to the CPU
// <i> n: The input clock is divided by n to produce the CPU clock
// <0-31>
// <o7.8> CCLKSEL: CPU clock divider input clock selection
// <0=> sysclk clock
// <1=> PLL0 clock
// </h>
//
// <h> USB Clock Selection Register (USBCLKSEL)
// <o8.0..4> USBDIV: USB clock (source PLL0) divider selection
// <0=> USB clock off
// <4=> PLL0 / 4 (PLL0 must be 192Mhz)
// <6=> PLL0 / 6 (PLL0 must be 288Mhz)
// <o8.8..9> USBSEL: USB clock divider input clock selection
// <i> When CPU clock is selected, the USB can be accessed
// <i> by software but cannot perform USB functions
// <0=> CPU clock
// <1=> PLL0 clock
// <2=> PLL1 clock
// </h>
//
// <h> EMC Clock Selection Register (EMCCLKSEL)
// <o9.0> EMCDIV: EMC clock selection
// <0=> CPU clock
// <1=> CPU clock / 2
// </h>
//
// <h> Peripheral Clock Selection Register (PCLKSEL)
// <o10.0..4> PCLKDIV: APB Peripheral clock divider
// <i> 0: The divider is turned off. No clock will be provided to APB peripherals
// <i> n: The input clock is divided by n to produce the APB peripheral clock
// <0-31>
// </h>
//
// <h> Power Control for Peripherals Register (PCONP)
// <o11.0> PCLCD: LCD controller power/clock enable
// <o11.1> PCTIM0: Timer/Counter 0 power/clock enable
// <o11.2> PCTIM1: Timer/Counter 1 power/clock enable
// <o11.3> PCUART0: UART 0 power/clock enable
// <o11.4> PCUART1: UART 1 power/clock enable
// <o11.5> PCPWM0: PWM0 power/clock enable
// <o11.6> PCPWM1: PWM1 power/clock enable
// <o11.7> PCI2C0: I2C 0 interface power/clock enable
// <o11.8> PCUART4: UART 4 power/clock enable
// <o11.9> PCRTC: RTC and Event Recorder power/clock enable
// <o11.10> PCSSP1: SSP 1 interface power/clock enable
// <o11.11> PCEMC: External Memory Controller power/clock enable
// <o11.12> PCADC: A/D converter power/clock enable
// <o11.13> PCCAN1: CAN controller 1 power/clock enable
// <o11.14> PCCAN2: CAN controller 2 power/clock enable
// <o11.15> PCGPIO: IOCON, GPIO, and GPIO interrupts power/clock enable
// <o11.17> PCMCPWM: Motor Control PWM power/clock enable
// <o11.18> PCQEI: Quadrature encoder interface power/clock enable
// <o11.19> PCI2C1: I2C 1 interface power/clock enable
// <o11.20> PCSSP2: SSP 2 interface power/clock enable
// <o11.21> PCSSP0: SSP 0 interface power/clock enable
// <o11.22> PCTIM2: Timer 2 power/clock enable
// <o11.23> PCTIM3: Timer 3 power/clock enable
// <o11.24> PCUART2: UART 2 power/clock enable
// <o11.25> PCUART3: UART 3 power/clock enable
// <o11.26> PCI2C2: I2C 2 interface power/clock enable
// <o11.27> PCI2S: I2S interface power/clock enable
// <o11.28> PCSDC: SD Card interface power/clock enable
// <o11.29> PCGPDMA: GPDMA function power/clock enable
// <o11.30> PCENET: Ethernet block power/clock enable
// <o11.31> PCUSB: USB interface power/clock enable
// </h>
//
// <h> Clock Output Configuration Register (CLKOUTCFG)
// <o12.0..3> CLKOUTSEL: Clock Source for CLKOUT Selection
// <0=> CPU clock
// <1=> Main Oscillator
// <2=> Internal RC Oscillator
// <3=> USB clock
// <4=> RTC Oscillator
// <5=> unused
// <6=> Watchdog Oscillator
// <o12.4..7> CLKOUTDIV: Output Clock Divider
// <1-16><#-1>
// <o12.8> CLKOUT_EN: CLKOUT enable
// </h>
//
// </e>
*/
#define CLOCK_SETUP 1
#define SCS_Val 0x00000021
#define CLKSRCSEL_Val 0x00000001
#define PLL0_SETUP 1
#define PLL0CFG_Val 0x00000009
#define PLL1_SETUP 1
#define PLL1CFG_Val 0x00000023
#define CCLKSEL_Val (0x00000001|(1<<8))
#define USBCLK_SETUP 1
#define USBCLKSEL_Val (0x00000001|(0x02<<8))
#define EMCCLKSEL_Val 0x00000001
#define PCLKSEL_Val 0x00000002
#define PCONP_Val 0x042887DE
#define CLKOUTCFG_Val 0x00000100
/*--------------------- Flash Accelerator Configuration ----------------------
//
// <e> Flash Accelerator Configuration
// <o1.12..15> FLASHTIM: Flash Access Time
// <0=> 1 CPU clock (for CPU clock up to 20 MHz)
// <1=> 2 CPU clocks (for CPU clock up to 40 MHz)
// <2=> 3 CPU clocks (for CPU clock up to 60 MHz)
// <3=> 4 CPU clocks (for CPU clock up to 80 MHz)
// <4=> 5 CPU clocks (for CPU clock up to 100 MHz)
// <5=> 6 CPU clocks (for any CPU clock)
// </e>
*/
#define FLASH_SETUP 1
#define FLASHCFG_Val 0x00005000
/*----------------------------------------------------------------------------
Check the register settings
*----------------------------------------------------------------------------*/
#define CHECK_RANGE(val, min, max) ((val < min) || (val > max))
#define CHECK_RSVD(val, mask) (val & mask)
/* Clock Configuration -------------------------------------------------------*/
#if (CHECK_RSVD((SCS_Val), ~0x0000003F))
#error "SCS: Invalid values of reserved bits!"
#endif
#if (CHECK_RANGE((CLKSRCSEL_Val), 0, 1))
#error "CLKSRCSEL: Value out of range!"
#endif
#if (CHECK_RSVD((PLL0CFG_Val), ~0x0000007F))
#error "PLL0CFG: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((PLL1CFG_Val), ~0x0000007F))
#error "PLL1CFG: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((CCLKSEL_Val), ~0x0000011F))
#error "CCLKSEL: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((USBCLKSEL_Val), ~0x0000031F))
#error "USBCLKSEL: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((EMCCLKSEL_Val), ~0x00000001))
#error "EMCCLKSEL: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((PCLKSEL_Val), ~0x0000001F))
#error "PCLKSEL: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((PCONP_Val), ~0xFFFEFFFF))
#error "PCONP: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((CLKOUTCFG_Val), ~0x000001FF))
#error "CLKOUTCFG: Invalid values of reserved bits!"
#endif
/* Flash Accelerator Configuration -------------------------------------------*/
#if (CHECK_RSVD((FLASHCFG_Val), ~0x0000F000))
#warning "FLASHCFG: Invalid values of reserved bits!"
#endif
/*----------------------------------------------------------------------------
DEFINES
*----------------------------------------------------------------------------*/
/* pll_out_clk = F_cco / (2 <20> P)
F_cco = pll_in_clk <20> M <20> 2 <20> P */
#define __M ((PLL0CFG_Val & 0x1F) + 1)
#define __PLL0_CLK(__F_IN) (__F_IN * __M)
#define __CCLK_DIV (CCLKSEL_Val & 0x1F)
#define __PCLK_DIV (PCLKSEL_Val & 0x1F)
#define __ECLK_DIV ((EMCCLKSEL_Val & 0x01) + 1)
/* Determine core clock frequency according to settings */
#if (CLOCK_SETUP) /* Clock Setup */
#if ((CLKSRCSEL_Val & 0x01) == 1) && ((SCS_Val & 0x20)== 0)
#error "Main Oscillator is selected as clock source but is not enabled!"
#endif
#if ((CCLKSEL_Val & 0x100) == 0x100) && (PLL0_SETUP == 0)
#error "Main PLL is selected as clock source but is not enabled!"
#endif
#if ((CCLKSEL_Val & 0x100) == 0) /* cclk = sysclk */
#if ((CLKSRCSEL_Val & 0x01) == 0) /* sysclk = irc_clk */
#define __CORE_CLK (IRC_OSC / __CCLK_DIV)
#define __PER_CLK (IRC_OSC/ __PCLK_DIV)
#define __EMC_CLK (IRC_OSC/ __ECLK_DIV)
#else /* sysclk = osc_clk */
#define __CORE_CLK (OSC_CLK / __CCLK_DIV)
#define __PER_CLK (OSC_CLK/ __PCLK_DIV)
#define __EMC_CLK (OSC_CLK/ __ECLK_DIV)
#endif
#else /* cclk = pll_clk */
#if ((CLKSRCSEL_Val & 0x01) == 0) /* sysclk = irc_clk */
#define __CORE_CLK (__PLL0_CLK(IRC_OSC) / __CCLK_DIV)
#define __PER_CLK (__PLL0_CLK(IRC_OSC) / __PCLK_DIV)
#define __EMC_CLK (__PLL0_CLK(IRC_OSC) / __ECLK_DIV)
#else /* sysclk = osc_clk */
#define __CORE_CLK (__PLL0_CLK(OSC_CLK) / __CCLK_DIV)
#define __PER_CLK (__PLL0_CLK(OSC_CLK) / __PCLK_DIV)
#define __EMC_CLK (__PLL0_CLK(OSC_CLK) / __ECLK_DIV)
#endif
#endif
#else
#define __CORE_CLK (IRC_OSC)
#define __PER_CLK (IRC_OSC)
#define __EMC_CLK (IRC_OSC)
#endif
/*----------------------------------------------------------------------------
Clock Variable definitions
*----------------------------------------------------------------------------*/
uint32_t SystemCoreClock = __CORE_CLK;/*!< System Clock Frequency (Core Clock)*/
uint32_t PeripheralClock = __PER_CLK; /*!< Peripheral Clock Frequency (Pclk) */
uint32_t EMCClock = __EMC_CLK; /*!< EMC Clock Frequency */
uint32_t USBClock = (48000000UL); /*!< USB Clock Frequency - this value will
be updated after call SystemCoreClockUpdate, should be 48MHz*/
/*----------------------------------------------------------------------------
Clock functions
*----------------------------------------------------------------------------*/
void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */
{
/* Determine clock frequency according to clock register values */
if ((LPC_SC->CCLKSEL &0x100) == 0) { /* cclk = sysclk */
if ((LPC_SC->CLKSRCSEL & 0x01) == 0) { /* sysclk = irc_clk */
SystemCoreClock = (IRC_OSC / (LPC_SC->CCLKSEL & 0x1F));
PeripheralClock = (IRC_OSC / (LPC_SC->PCLKSEL & 0x1F));
EMCClock = (IRC_OSC / ((LPC_SC->EMCCLKSEL & 0x01)+1));
}
else { /* sysclk = osc_clk */
if ((LPC_SC->SCS & 0x40) == 0) {
SystemCoreClock = 0; /* this should never happen! */
PeripheralClock = 0;
EMCClock = 0;
}
else {
SystemCoreClock = (OSC_CLK / (LPC_SC->CCLKSEL & 0x1F));
PeripheralClock = (OSC_CLK / (LPC_SC->PCLKSEL & 0x1F));
EMCClock = (OSC_CLK / ((LPC_SC->EMCCLKSEL & 0x01)+1));
}
}
}
else { /* cclk = pll_clk */
if ((LPC_SC->PLL0STAT & 0x100) == 0) { /* PLL0 not enabled */
SystemCoreClock = 0; /* this should never happen! */
PeripheralClock = 0;
EMCClock = 0;
}
else {
if ((LPC_SC->CLKSRCSEL & 0x01) == 0) { /* sysclk = irc_clk */
SystemCoreClock = (IRC_OSC * ((LPC_SC->PLL0STAT & 0x1F) + 1) / (LPC_SC->CCLKSEL & 0x1F));
PeripheralClock = (IRC_OSC * ((LPC_SC->PLL0STAT & 0x1F) + 1) / (LPC_SC->PCLKSEL & 0x1F));
EMCClock = (IRC_OSC * ((LPC_SC->PLL0STAT & 0x1F) + 1) / ((LPC_SC->EMCCLKSEL & 0x01)+1));
}
else { /* sysclk = osc_clk */
if ((LPC_SC->SCS & 0x40) == 0) {
SystemCoreClock = 0; /* this should never happen! */
PeripheralClock = 0;
EMCClock = 0;
}
else {
SystemCoreClock = (OSC_CLK * ((LPC_SC->PLL0STAT & 0x1F) + 1) / (LPC_SC->CCLKSEL & 0x1F));
PeripheralClock = (OSC_CLK * ((LPC_SC->PLL0STAT & 0x1F) + 1) / (LPC_SC->PCLKSEL & 0x1F));
EMCClock = (OSC_CLK * ((LPC_SC->PLL0STAT & 0x1F) + 1) / ((LPC_SC->EMCCLKSEL & 0x01)+1));
}
}
}
}
/* ---update USBClock------------------*/
if(LPC_SC->USBCLKSEL & (0x01<<8))//Use PLL0 as the input to the USB clock divider
{
switch (LPC_SC->USBCLKSEL & 0x1F)
{
case 0:
USBClock = 0; //no clock will be provided to the USB subsystem
break;
case 4:
case 6:
if(LPC_SC->CLKSRCSEL & 0x01) //pll_clk_in = main_osc
USBClock = (OSC_CLK * ((LPC_SC->PLL0STAT & 0x1F) + 1) / (LPC_SC->USBCLKSEL & 0x1F));
else //pll_clk_in = irc_clk
USBClock = (IRC_OSC * ((LPC_SC->PLL0STAT & 0x1F) + 1) / (LPC_SC->USBCLKSEL & 0x1F));
break;
default:
USBClock = 0; /* this should never happen! */
}
}
else if(LPC_SC->USBCLKSEL & (0x02<<8))//usb_input_clk = alt_pll (pll1)
{
if(LPC_SC->CLKSRCSEL & 0x01) //pll1_clk_in = main_osc
USBClock = (OSC_CLK * ((LPC_SC->PLL1STAT & 0x1F) + 1));
else //pll1_clk_in = irc_clk
USBClock = (IRC_OSC * ((LPC_SC->PLL0STAT & 0x1F) + 1));
}
else
USBClock = 0; /* this should never happen! */
}
/* Determine clock frequency according to clock register values */
/**
* Initialize the system
*
* @param none
* @return none
*
* @brief Setup the microcontroller system.
* Initialize the System.
*/
void SystemInit (void)
{
#if (CLOCK_SETUP) /* Clock Setup */
LPC_SC->SCS = SCS_Val;
if (SCS_Val & (1 << 5)) { /* If Main Oscillator is enabled */
while ((LPC_SC->SCS & (1<<6)) == 0);/* Wait for Oscillator to be ready */
}
LPC_SC->CLKSRCSEL = CLKSRCSEL_Val; /* Select Clock Source for sysclk/PLL0*/
#if (PLL0_SETUP)
LPC_SC->PLL0CFG = PLL0CFG_Val;
LPC_SC->PLL0CON = 0x01; /* PLL0 Enable */
LPC_SC->PLL0FEED = 0xAA;
LPC_SC->PLL0FEED = 0x55;
while (!(LPC_SC->PLL0STAT & (1<<10)));/* Wait for PLOCK0 */
#endif
#if (PLL1_SETUP)
LPC_SC->PLL1CFG = PLL1CFG_Val;
LPC_SC->PLL1CON = 0x01; /* PLL1 Enable */
LPC_SC->PLL1FEED = 0xAA;
LPC_SC->PLL1FEED = 0x55;
while (!(LPC_SC->PLL1STAT & (1<<10)));/* Wait for PLOCK1 */
#endif
LPC_SC->CCLKSEL = CCLKSEL_Val; /* Setup Clock Divider */
LPC_SC->USBCLKSEL = USBCLKSEL_Val; /* Setup USB Clock Divider */
LPC_SC->EMCCLKSEL = EMCCLKSEL_Val; /* EMC Clock Selection */
LPC_SC->PCLKSEL = PCLKSEL_Val; /* Peripheral Clock Selection */
LPC_SC->PCONP = PCONP_Val; /* Power Control for Peripherals */
LPC_SC->CLKOUTCFG = CLKOUTCFG_Val; /* Clock Output Configuration */
#endif
#if (FLASH_SETUP == 1) /* Flash Accelerator Setup */
LPC_SC->FLASHCFG = FLASHCFG_Val|0x03A;
#endif
#ifdef __RAM_MODE__
SCB->VTOR = 0x10000000 & 0x3FFFFF80;
#else
SCB->VTOR = 0x00000000 & 0x3FFFFF80;
#endif
}