#include"cmsis_os2.h"osSemaphoreId_tsem;voidcreateSemaphore(){// 创建信号量对象,初始值为 1sem=osSemaphoreNew(1,1,NULL);}voidacquireSemaphore(){// 等待信号量osSemaphoreAcquire(sem,osWaitForever);// 在此处可以访问共享资源}voidreleaseSemaphore(){// 释放信号量osSemaphoreRelease(sem);}intmain(){...
osSemaphoreWait (Turnstile2,0xffff);//Lock the second turnstileosSemaphoreRelease(Turnstile);//Unlock the first turnstile}osSemaphoreRelease(Mutex);//Allow other tasks to access the turnstileosSemaphoreWait(Turnstile,0xFFFF);//Turnstile GateosSemaphoreRelease(Turnstile);//--- GATE ---LED_On(LED_...
osSemaphoreWait (Turnstile2,0xffff);//Lock the second turnstileosSemaphoreRelease(Turnstile);//Unlock the first turnstile}osSemaphoreRelease(Mutex);//Allow other tasks to access the turnstileosSemaphoreWait(Turnstile,0xFFFF);//Turnstile GateosSemaphoreRelease(Turnstile);//--- GATE ---LED_On(LED_...