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Code Issues Activity

Furi: smaller critical enter and critical exit macro (#2716)

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* Furi: smaller critical enter and critical exit macro
* api: bumped version

---------

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: hedger <hedger@nanode.su>
This commit is contained in:
Sergey Gavrilov
2023-06-06 12:00:43 -07:00
committed by GitHub
parent e4a2e9a920
commit 3e1f209d64
4 changed files with 47 additions and 21 deletions
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31
furi/core/common_defines.h
View File

@@ -31,29 +31,22 @@ extern "C" {
#define FURI_IS_ISR() (FURI_IS_IRQ_MODE() || FURI_IS_IRQ_MASKED())
#endif
typedef struct {
uint32_t isrm;
bool from_isr;
bool kernel_running;
} __FuriCriticalInfo;
__FuriCriticalInfo __furi_critical_enter(void);
void __furi_critical_exit(__FuriCriticalInfo info);
#ifndef FURI_CRITICAL_ENTER
#define FURI_CRITICAL_ENTER() \
uint32_t __isrm = 0; \
bool __from_isr = FURI_IS_ISR(); \
bool __kernel_running = (xTaskGetSchedulerState() == taskSCHEDULER_RUNNING); \
if(__from_isr) { \
__isrm = taskENTER_CRITICAL_FROM_ISR(); \
} else if(__kernel_running) { \
taskENTER_CRITICAL(); \
} else { \
__disable_irq(); \
}
#define FURI_CRITICAL_ENTER() __FuriCriticalInfo __furi_critical_info = __furi_critical_enter();
#endif
#ifndef FURI_CRITICAL_EXIT
#define FURI_CRITICAL_EXIT() \
if(__from_isr) { \
taskEXIT_CRITICAL_FROM_ISR(__isrm); \
} else if(__kernel_running) { \
taskEXIT_CRITICAL(); \
} else { \
__enable_irq(); \
}
#define FURI_CRITICAL_EXIT() __furi_critical_exit(__furi_critical_info);
#endif
#ifdef __cplusplus

29
furi/core/critical.c Normal file
View File

@@ -0,0 +1,29 @@
#include "common_defines.h"
__FuriCriticalInfo __furi_critical_enter(void) {
__FuriCriticalInfo info;
info.isrm = 0;
info.from_isr = FURI_IS_ISR();
info.kernel_running = (xTaskGetSchedulerState() == taskSCHEDULER_RUNNING);
if(info.from_isr) {
info.isrm = taskENTER_CRITICAL_FROM_ISR();
} else if(info.kernel_running) {
taskENTER_CRITICAL();
} else {
__disable_irq();
}
return info;
}
void __furi_critical_exit(__FuriCriticalInfo info) {
if(info.from_isr) {
taskEXIT_CRITICAL_FROM_ISR(info.isrm);
} else if(info.kernel_running) {
taskEXIT_CRITICAL();
} else {
__enable_irq();
}
}