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OSA : OS_Queue_Send

OS_Queue_Send (queue, message)
OS_Queue_Send_I (queue, message)

Allowed only in taskSwitches context

Send message to queue of messages. If queue is full then wait for free space.

OS_ENABLE_QUEUE constant must be defined in OSAcfg.h.

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

Call allowed:

Only in task


queue Queue of messages descriptor. Variable of OST_QUEUE type.
message pointer to message body (OST_MSG)




OST_QUEUE queue;
void Task (void)
    static char Data[20];
    for (;;) {
        OS_Queue_Send (queue, Data);

Old style name


See also

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