/**
* @brief Main program body
* @return Does not return
*/
int main(void)
{
/* Generic Initialization */
SystemCoreClockUpdate();
/* Board_Init calls Chip_GPIO_Init and enables GPIO clock if needed,
Chip_GPIO_Init is not called again */
Board_Init();
Board_LED_Set(0, false);
/* Configure GPIO interrupt pin as input */
Chip_GPIO_SetPinDIRInput(LPC_GPIO, GPIO_INTERRUPT_PORT, GPIO_INTERRUPT_PIN);
/* Configure the GPIO interrupt */
Chip_GPIOINT_SetIntFalling(LPC_GPIOINT, GPIO_INTERRUPT_PORT, 1 << GPIO_INTERRUPT_PIN);
/* Enable interrupt in the NVIC */
NVIC_ClearPendingIRQ(GPIO_INTERRUPT_NVIC_NAME);
NVIC_EnableIRQ(GPIO_INTERRUPT_NVIC_NAME);
/* Wait for interrupts - LED will toggle on each wakeup event */
while (1) {
__WFI();
}
return 0;
}
/*
* Wind Speed translation : V = p*(2,25/t)
* V: speed in mph
* p: pulses per sampelperiod
* t: sample period in sec
*/
void setupirq(){
DBG("Initialize Wind Cups...\n");
Chip_GPIOINT_Init(LPC_GPIOINT);
Chip_GPIO_SetPinDIRInput(LPC_GPIO,2,13);
Chip_GPIO_SetPinState(LPC_GPIO, 2, 13, true);
Chip_IOCON_PinMux(LPC_IOCON, 2, 13, IOCON_MODE_PULLUP, IOCON_FUNC0);
const uint32_t prescaleDivisor = 8;
Chip_TIMER_Init(LPC_TIMER2);
Chip_TIMER_PrescaleSet(LPC_TIMER2, prescaleDivisor - 1);
Chip_TIMER_Enable(LPC_TIMER2);
ticksPerSecond = Chip_Clock_GetSystemClockRate() / prescaleDivisor / 4;
Chip_GPIOINT_SetIntFalling(LPC_GPIOINT, GPIOINT_PORT2, (1 << 13));
Chip_GPIOINT_ClearIntStatus(LPC_GPIOINT, GPIOINT_PORT2, (1 << 13));
NVIC_ClearPendingIRQ(EINT3_IRQn);
NVIC_EnableIRQ(EINT3_IRQn);
DBG("Initialize Wind Cups complete...\n");
}
