tmk_core/tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/semaphore/main.cpp

   1 #include "mbed.h"
   2 #include "cmsis_os.h"
   3
   4 osSemaphoreId two_slots;
   5 osSemaphoreDef(two_slots);
   6
   7 void test_thread(void const *name) {
   8     while (true) {
   9         osSemaphoreWait(two_slots, osWaitForever);
  10         printf("%s\n\r", (const char*)name);
  11         osDelay(1000);
  12         osSemaphoreRelease(two_slots);
  13     }
  14 }
  15
  16 void t2(void const *argument) {test_thread("Th 2");}
  17 osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
  18
  19 void t3(void const *argument) {test_thread("Th 3");}
  20 osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
  21
  22 int main (void) {
  23     two_slots = osSemaphoreCreate(osSemaphore(two_slots), 2);
  24
  25     osThreadCreate(osThread(t2), NULL);
  26     osThreadCreate(osThread(t3), NULL);
  27
  28     test_thread((void *)"Th 1");
  29 }