Initial commit

external/CMSIS_5/CMSIS/RTOS2/RTX/Template/Timer.c

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+#include "cmsis_os2.h"                          // CMSIS RTOS header file
+ 
+/*----------------------------------------------------------------------------
+ *      Timer: Sample timer functions
+ *---------------------------------------------------------------------------*/
+ 
+/*----- One-Shoot Timer Example -----*/
+osTimerId_t tim_id1;                            // timer id
+static uint32_t exec1;                          // argument for the timer call back function
+
+// One-Shoot Timer Function
+static void Timer1_Callback (void const *arg) {
+  // add user code here
+}
+ 
+/*----- Periodic Timer Example -----*/
+osTimerId_t tim_id2;                            // timer id
+static uint32_t exec2;                          // argument for the timer call back function
+ 
+// Periodic Timer Function
+static void Timer2_Callback (void const *arg) {
+  // add user code here
+}
+ 
+// Example: Create and Start timers
+int Init_Timers (void) {
+  osStatus_t status;                            // function return status
+ 
+  // Create one-shoot timer
+  exec1 = 1U;
+  tim_id1 = osTimerNew((osTimerFunc_t)&Timer1_Callback, osTimerOnce, &exec1, NULL);
+  if (tim_id1 != NULL) {  // One-shot timer created
+    // start timer with delay 100ms
+    status = osTimerStart(tim_id1, 100U); 
+    if (status != osOK) {
+      return -1;
+    }
+  }
+ 
+  // Create periodic timer
+  exec2 = 2U;
+  tim_id2 = osTimerNew((osTimerFunc_t)&Timer2_Callback, osTimerPeriodic, &exec2, NULL);
+  if (tim_id2 != NULL) {  // Periodic timer created
+    // start timer with periodic 1000ms interval
+    status = osTimerStart(tim_id2, 1000U);            
+    if (status != osOK) {
+      return -1;
+    }
+  }
+  return NULL;
+}