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OSA : OS_Squeue_Check

bool OS_Squeue_Check (squeue)
bool OS_Squeue_Check_I (squeue)

Check if there is any message in queue of simple messages.

OS_ENABLE_SQUEUE constant must be defined in OSAcfg.h.

For PIC16, message queues can be allocated only in bank0 or bank1

Call allowed:



squeue Queue of simple messages descriptor. Variable of OST_SQUEUE type.


false queue is empty
true there is at least one simple message in queue


OST_SQUEUE squeue;
void Task (void)
    OST_SMSG smsg;
    for (;;) {
        if (OS_Squeue_Check (squeue)) {         // If simple message present
            OS_AcceptSQueue(squeue, smsg);      // then accept it

Old style name


See also

en/osa/ref/allservices/os_squeue_check.txt · Last modified: 07.10.2010 13:57 (external edit)
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