Command disabled: backlink
Available Languages?:

OSA : OS_Msg_Send_TO

OS_Msg_Send_TO (msg_cb, message, timeout)

Allowed only in taskSwitches contextUses timer

Same as OS_Msg_Send with exit if timeout expires. If timeout expires before msg_cb is free then new message will not be sent.

Call allowed:

Only in task


msg_cb Pointer to message descriptor. Variable of OST_MSG_CB type
message pointer to message body (OST_MSG)
timeout Time of waiting in system ticks - calling OS_Timer periods


timeout If timeout expired then system service OS_IsTimeout will return true


OST_MSG_CB msg_cb;
void Task (void)
    OST_MSG msg;
    static char buf[10];
    for (;;) {
        OS_Msg_Send_TO (msg_cb, buf, 100);
        if (OS_IsTimeout()) {
            // Message is not sent!

Old style name


See also

en/osa/ref/allservices/os_msg_send_to.txt · Last modified: 07.10.2010 13:57 (external edit)
Creative Commons License Powered by PHP Valid XHTML 1.0 Valid CSS Driven by DokuWiki