/**
* @brief main routine for ATIMER example
* @return Nothing (function should not exit)
*/
int main(void)
{
bool On = false;
SystemCoreClockUpdate();
Board_Init();
/* Init Alarm Timer with Preset Count for about 1s */
Chip_ATIMER_Init(LPC_ATIMER, PresetCount);
/* Init EVRT */
Chip_EVRT_Init();
/* Enable EVRT in order to be able to read the ATIMER interrupt */
Chip_EVRT_ConfigIntSrcActiveType(EVRT_SRC_ATIMER, EVRT_SRC_ACTIVE_HIGH_LEVEL);
/* Enable Alarm Timer Source */
Chip_EVRT_SetUpIntSrc(EVRT_SRC_ATIMER, ENABLE);
/* Enable NVIC */
NVIC_EnableIRQ(EVENTROUTER_IRQn);
/* Clear the interrupt states */
ATIMER_ClearInts();
/* Enable Alarm Timer */
Chip_ATIMER_IntEnable(LPC_ATIMER);
while (1) {
/* Sleep until ATIMER fires */
__WFI();
On = (bool) !On;
Board_LED_Set(1, On);
}
}
/**
* Event Router configure function
*/
static void PMC_Evrt_Configure(CHIP_EVRT_SRC_T Evrt_Src)
{
/* Configure Interrupt signal from Evrt_Src pin to EVRT */
Chip_EVRT_ConfigIntSrcActiveType(Evrt_Src, EVRT_SRC_ACTIVE_RISING_EDGE);
/* Enable interrupt signal from Evrt_Src pin to EVRT */
Chip_EVRT_SetUpIntSrc(Evrt_Src, ENABLE);
/* Clear any pending interrupt */
Chip_EVRT_ClrPendIntSrc(Evrt_Src);
/* Disable EVRT interrupt in NVIC */
NVIC_DisableIRQ(EVENTROUTER_IRQn);
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(EVENTROUTER_IRQn, ((0x01 << 3) | 0x01));
/* Enable Event Router interrupt in NVIC */
NVIC_EnableIRQ(EVENTROUTER_IRQn);
}
