/*-------------------------------------------
| Name:at91_poll_status
| Description:
| Parameters:
| Return Type:
| Comments:
| See:
---------------------------------------------*/
static short at91_spi_poll_status (unsigned long bit, unsigned int delay)
{
spi_timeout = TIMEOUT_OK;
OS_SetTimerPeriod (&dev_at91sam7s_spi_timer, delay);
OS_StartTimer (&dev_at91sam7s_spi_timer);
while (!(*AT91C_SPI_SR & bit) && (spi_timeout != TIMEOUT_KO )) ;
OS_StopTimer(&dev_at91sam7s_spi_timer);
return (spi_timeout);
}
void GUI_X_WaitEventTimed(int Period) {
static OS_TIMER Timer;
static int Initialized;
if (Period > 0) {
if (Initialized != 0) {
OS_DeleteTimer(&Timer);
}
Initialized = 1;
OS_CreateTimer(&Timer, GUI_X_SignalEvent, Period);
OS_StartTimer(&Timer);
GUI_X_WaitEvent();
}
}
/*****************************************************************************
* FUNCTION
* ResetOsTimer
* DESCRIPTION
* Resets the actual OS timer based on the shortest remaining
* timer.
* PARAMETERS
* curTime [IN]
* RETURNS
* void
*****************************************************************************/
static void ResetOsTimer(TimeT curTime)
{
EvmTimer *timer;
ListEntry *node;
TimeT timeElapsed;
TimeT minWait = (TimeT) (-1);
/* Look for timers scheduled in the future */
if (!IsListEmpty(&BTC(timerList)))
{
node = GetHeadList(&BTC(timerList));
while (node != &BTC(timerList))
{
timer = (EvmTimer*) node;
node = node->Flink;
timeElapsed = curTime - timer->startTime;
/* If the timer must elapse sooner than minWait, adjust minWait */
if (timeElapsed < timer->time)
{
minWait = min(minWait, timer->time - timeElapsed);
}
else
{
OS_Report("[TIMER] Timer(%x) timeout (%u, %u) when reset OS timer. Just Fire timer", timer, timeElapsed, timer->time);
TimerFired();
return;
}
}
}
/* Are any timers in the future? */
if (minWait < (TimeT) (-1))
{
OS_StartTimer(minWait, TimerFired);
}
else
{
OS_CancelTimer();
}
}