![](/media/cache/profiles/af7fc8485f40dc495bc626d6dbe7faf1.50x50_q85.png)
Basic example showing the CMSIS-RTOS timer API
mbed 2 and mbed OS 5
This is an mbed 2 example. mbed OS 5 has integrated the mbed library with mbed-rtos. For an mbed-os example, please see:
Import programrtos_timer
timer example
Diff: main.cpp
- Revision:
- 1:50f9df2d7dd6
- Parent:
- 0:da2a05efb62e
--- a/main.cpp Fri Jul 13 16:05:43 2012 +0000 +++ b/main.cpp Fri Jul 13 16:08:05 2012 +0000 @@ -0,0 +1,29 @@ +#include "mbed.h" +#include "cmsis_os.h" + +DigitalOut LEDs[4] = { + DigitalOut(LED1), DigitalOut(LED2), DigitalOut(LED3), DigitalOut(LED4) +}; + +void blink(void const *n) { + LEDs[(int)n] = !LEDs[(int)n]; +} + +osTimerDef(blink_0, blink); +osTimerDef(blink_1, blink); +osTimerDef(blink_2, blink); +osTimerDef(blink_3, blink); + +int main(void) { + osTimerId timer_0 = osTimerCreate(osTimer(blink_0), osTimerPeriodic, (void *)0); + osTimerId timer_1 = osTimerCreate(osTimer(blink_1), osTimerPeriodic, (void *)1); + osTimerId timer_2 = osTimerCreate(osTimer(blink_2), osTimerPeriodic, (void *)2); + osTimerId timer_3 = osTimerCreate(osTimer(blink_3), osTimerPeriodic, (void *)3); + + osTimerStart(timer_0, 2000); + osTimerStart(timer_1, 1000); + osTimerStart(timer_2, 500); + osTimerStart(timer_3, 250); + + osDelay(osWaitForever); +}