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

   1 #include "mbed.h"
   2 #include "cmsis_os.h"
   3
   4 osMutexId stdio_mutex;
   5 osMutexDef(stdio_mutex);
   6
   7 void notify(const char* name, int state) {
   8     osMutexWait(stdio_mutex, osWaitForever);
   9     printf("%s: %d\n\r", name, state);
  10     osMutexRelease(stdio_mutex);
  11 }
  12
  13 void test_thread(void const *args) {
  14     while (true) {
  15         notify((const char*)args, 0); osDelay(1000);
  16         notify((const char*)args, 1); osDelay(1000);
  17     }
  18 }
  19
  20 void t2(void const *argument) {test_thread("Th 2");}
  21 osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
  22
  23 void t3(void const *argument) {test_thread("Th 3");}
  24 osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
  25
  26 int main() {
  27     stdio_mutex = osMutexCreate(osMutex(stdio_mutex));
  28
  29     osThreadCreate(osThread(t2), NULL);
  30     osThreadCreate(osThread(t3), NULL);
  31
  32     test_thread((void *)"Th 1");
  33 }