OSA : OS_Dtimer_Check

bool OS_Dtimer_Check (dtimer)

Check dynamic timer dtimer for timeout.

OS_ENABLE_DTIMERS constant must be defined in OSAcfg.h. Size of dynamic timers is set by OS_DTIMER_SIZE constant

Call allowed:

Everywhere

Parameters:

dtimer Descriptor of dynamic timer. Variable of OST_DTIMER type. Contains timer counter, timer state flags and pointer to next timer in list. For PIC16, can only be allocated in bank0 or bank1

Returns:

false no timeout
true timeout expired, timer has overflowed

Example:

OST_DTIMER dtimer;
 
void Task (void)
{
    for (;;) {
        /*...*/
        if (OS_Dtimer_Check (dtimer)) {        // If timer has overflowed
            OS_Dtimer_Update(dtimer, 1000);    // then re-run it
        };
        /*...*/
    }
}

Old style name

OS_CheckDTimer

See also

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