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OSA : OS_Smsg_Send_TO

OS_Smsg_Send_TO (smsg, smessage, timeout)

Allowed only in taskSwitches contextUses timer

Same as OS_Smsg_Send with exit if timeout expires. If timeout expires before message is free, then new simple message will not be sent.

Call allowed:

Only in task


smsg Simple message descriptor. Variable of OST_SMSG type
smessage Message body (OST_SMSG)
timeout Time of waiting in system ticks - calling OS_Timer periods


timeout If timeout expired then system service OS_IsTimeout will return true


OST_SMSG smsg;
void Task (void)
    for (;;) {
        OS_Smsg_Send_TO (smsg, 'B', 100);
        if (OS_IsTimeout()) {
            // Message is not sent!

Old style name


See also

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