main.cpp

00001 #include "mbed.h"
00002 #include "cmsis_os.h"
00003 
00004 osSemaphoreId two_slots;
00005 osSemaphoreDef(two_slots);
00006 
00007 void test_thread(void const *name) {
00008     while (true) {
00009         osSemaphoreWait(two_slots, osWaitForever);
00010         printf("%s\n\r", (const char*)name);
00011         osDelay(1000);
00012         osSemaphoreRelease(two_slots);
00013     }
00014 }
00015 
00016 void t2(void const *argument) {test_thread("Th 2");}
00017 osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
00018 
00019 void t3(void const *argument) {test_thread("Th 3");}
00020 osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
00021 
00022 int main (void) {
00023     two_slots = osSemaphoreCreate(osSemaphore(two_slots), 2);
00024     
00025     osThreadCreate(osThread(t2), NULL);
00026     osThreadCreate(osThread(t3), NULL);
00027     
00028     test_thread((void *)"Th 1");
00029 }