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OSA : OS_Csem_Wait

OS_Csem_Wait (csem)

Wait for counting semaphore. Decrease csem by 1.

OS_ENABLE_CSEM constant must be defined in OSAcfg.h. Size of counting semaphores is defined by OS_CSEM_SIZE constant

For PIC16, counting semaphores can only be allocated in bank0 or bank1

Only in task

csem Counting semaphore. Variable of OST_CSEM type

nothing

OST_CSEM csem;
 
void Task (void)
{
    for (;;) {
        /*...*/
        OS_Csem_Wait(csem);
        /*...*/
    }
}

OS_WaitCSem

TNKernel