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