mbed-os/features/unsupported/tests/rtos/cmsis/semaphore/main.cpp

34 lines
821 B
C++

#include "mbed.h"
#include "cmsis_os.h"
#if defined(MBED_RTOS_SINGLE_THREAD)
#error [NOT_SUPPORTED] test not supported
#endif
osSemaphoreId two_slots;
osSemaphoreDef(two_slots);
void test_thread(void const *name) {
while (true) {
osSemaphoreWait(two_slots, osWaitForever);
printf("%s\n\r", (const char*)name);
osDelay(1000);
osSemaphoreRelease(two_slots);
}
}
void t2(void const *argument) {test_thread("Th 2");}
osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
void t3(void const *argument) {test_thread("Th 3");}
osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
int main (void) {
two_slots = osSemaphoreCreate(osSemaphore(two_slots), 2);
osThreadCreate(osThread(t2), NULL);
osThreadCreate(osThread(t3), NULL);
test_thread((void *)"Th 1");
}