void gpio_irq_enable(gpio_irq_t *obj) {
switch(obj->event){
case IRQ_EDGE_RISE:
Chip_PININT_SetPinModeEdge(LPC_PININT, obj->irq_index); /* edge sensitive */
Chip_PININT_EnableIntHigh(LPC_PININT, obj->irq_index); /* Rising edge interrupt */
break;
case IRQ_EDGE_FALL:
Chip_PININT_SetPinModeEdge(LPC_PININT, obj->irq_index); /* Edge sensitive */
Chip_PININT_EnableIntLow(LPC_PININT, obj->irq_index); /* Falling edge interrupt */
break;
case IRQ_LEVEL_HIGH:
Chip_PININT_SetPinModeLevel(LPC_PININT, obj->irq_index); /* Level sensitive */
Chip_PININT_EnableIntHigh(LPC_PININT, obj->irq_index); /* High level interrupt */
break;
case IRQ_LEVEL_LOW:
Chip_PININT_SetPinModeLevel(LPC_PININT, obj->irq_index); /* Level sensitive */
Chip_PININT_EnableIntLow(LPC_PININT, obj->irq_index); /* Low level interrupt */
break;
default:
D1_printf("GPIO_IRQ_ENABLE: Bad IRQ Mode: %d\r\n", obj->irq_index);
while(1){};
}
}
//BOTON 4
// 0 Low - 1 High
void ciaaIO_ISR_SetButton4(uint8_t LowOrHigh)
{
//Set GPIO1[9]
Chip_SCU_GPIOIntPinSel(3,1,9);
Chip_PININT_SetPinModeEdge(LPC_GPIO_PIN_INT,PININTCH3);
if (LowOrHigh)
{
Chip_PININT_EnableIntHigh(LPC_GPIO_PIN_INT,PININTCH3);
}
else
{
Chip_PININT_EnableIntLow(LPC_GPIO_PIN_INT,PININTCH3);
}
//habilitar la IRQ
NVIC_EnableIRQ(PIN_INT3_IRQn);
}
//BOTON 2
// 0 Low - 1 High
void ciaaIO_ISR_SetButton2(uint8_t LowOrHigh)
{
//Set GPIO0[8]
Chip_SCU_GPIOIntPinSel(1,0,8);
Chip_PININT_SetPinModeEdge(LPC_GPIO_PIN_INT,PININTCH1);
if (LowOrHigh)
{
Chip_PININT_EnableIntHigh(LPC_GPIO_PIN_INT,PININTCH1);
}
else
{
Chip_PININT_EnableIntLow(LPC_GPIO_PIN_INT,PININTCH1);
}
//habilitar la IRQ
NVIC_EnableIRQ(PIN_INT1_IRQn);
}
bool Board_GPIOs_enableIntCallback(int gpioNumber,void(*function)(void*),void* arg, uint8_t flagEdgeLevel, uint8_t flagHighLow)
{
// check if gpio alerady has assigned int
for(uint8_t i=0; i<4 ; i++)
{
if(extIntData[i].callback!=NULL && extIntData[i].gpioNumber==gpioNumber)
return 0;
}
// find free extInt callback
for(uint8_t i=0; i<4 ; i++)
{
if(extIntData[i].callback==NULL)
{
extIntData[i].callback = function;
extIntData[i].callbackArg = arg;
extIntData[i].gpioNumber=gpioNumber;
// Enable interrupt
uint8_t intNumber = i + 4; // starts from INT4
Chip_SCU_GPIOIntPinSel(intNumber, gpiosInfo[gpioNumber].gpio, gpiosInfo[gpioNumber].gpioBit);
Chip_PININT_ClearIntStatus(LPC_GPIO_PIN_INT, PININTCH(intNumber));
if(flagEdgeLevel)
Chip_PININT_SetPinModeEdge(LPC_GPIO_PIN_INT, PININTCH(intNumber));
else
Chip_PININT_SetPinModeLevel(LPC_GPIO_PIN_INT, PININTCH(intNumber));
if(flagHighLow)
Chip_PININT_EnableIntHigh(LPC_GPIO_PIN_INT, PININTCH(intNumber));
else
Chip_PININT_EnableIntLow(LPC_GPIO_PIN_INT, PININTCH(intNumber));
switch(intNumber) {
case 4: NVIC_ClearPendingIRQ(PIN_INT4_IRQn); NVIC_EnableIRQ(PIN_INT4_IRQn); break;
case 5: NVIC_ClearPendingIRQ(PIN_INT5_IRQn); NVIC_EnableIRQ(PIN_INT5_IRQn); break;
case 6: NVIC_ClearPendingIRQ(PIN_INT6_IRQn); NVIC_EnableIRQ(PIN_INT6_IRQn); break;
case 7: NVIC_ClearPendingIRQ(PIN_INT7_IRQn); NVIC_EnableIRQ(PIN_INT7_IRQn); break;
}
return 1;
}
}
return 0;
}
int main(void)
{
#if defined (__USE_LPCOPEN)
// Read clock settings and update SystemCoreClock variable
SystemCoreClockUpdate();
#if !defined(NO_BOARD_LIB)
#if defined (__MULTICORE_MASTER) || defined (__MULTICORE_NONE)
// Set up and initialize all required blocks and
// functions related to the board hardware
Board_Init();
#endif
// Set the LED to the state of "On"
Board_LED_Set(0, true);
#endif
#endif
#if defined (__MULTICORE_MASTER_SLAVE_M0SLAVE) || \
defined (__MULTICORE_MASTER_SLAVE_M4SLAVE)
boot_multicore_slave();
#endif
// Get the address of the PCM value FIFO from the M4 master.
PCM_FIFO = (PCM_FIFO_T *) Chip_MBOX_GetValue(LPC_MBOX, MAILBOX_CM0PLUS);
// Map P0.21 as the CLKOUT pin.
Chip_IOCON_PinMuxSet(LPC_IOCON, 0, 21,
(IOCON_FUNC1 | IOCON_MODE_INACT | IOCON_DIGITAL_EN));
// Route the main clock to the CLKOUT pin, for a 1 MHz signal.
Chip_Clock_SetCLKOUTSource(SYSCON_CLKOUTSRC_MAINCLK, SystemCoreClock / 1000000);
// Enable the GPIO and pin-interrupt sub-systems.
Chip_GPIO_Init(LPC_GPIO);
Chip_PININT_Init(LPC_PININT);
// Map PIO0_9 as a GPIO input pin. This is the data signal from the
// microphone.
Chip_GPIO_SetPinDIRInput(LPC_GPIO, 0, 9);
Chip_IOCON_PinMuxSet(LPC_IOCON, 0, 9,
(IOCON_FUNC0 | IOCON_DIGITAL_EN | IOCON_GPIO_MODE));
// Map PIO0_11 as a GPIO input pin, triggering pin-interrupt 0. This will
// indicate that there is a sample ready from the microphone.
Chip_GPIO_SetPinDIRInput(LPC_GPIO, 0, 11);
Chip_IOCON_PinMuxSet(LPC_IOCON, 0, 11,
(IOCON_FUNC0 | IOCON_DIGITAL_EN | IOCON_GPIO_MODE));
Chip_INMUX_PinIntSel(PININTSELECT0, 0, 11);
// Trigger the interrupt on the clock's rising edge.
Chip_PININT_ClearIntStatus(LPC_PININT, PININTCH(PININTSELECT0));
Chip_PININT_SetPinModeEdge(LPC_PININT, PININTCH(PININTSELECT0));
Chip_PININT_EnableIntHigh(LPC_PININT, PININTCH(PININTSELECT0));
// Enable the interrupt in the NVIC.
NVIC_EnableIRQ(PIN_INT0_IRQn);
// Spin while waiting for interrupts from the microphone.
while (1) {
__WFI();
}
return 0;
}
void Board_Attach_Interrupt(uint32_t ulPin, void (*callback)(void), uint32_t mode)
{
uint8_t port = 1;
uint8_t pin = 24;
uint8_t pinIntChannel = 0;
LPC1347_IRQn_Type pinIntIRQ = PIN_INT0_IRQn;
port = APIN_PORT(ulPin);
pin = APIN_PIN(ulPin);
pinIntChannel = APIN_INT(ulPin);
if(pinIntChannel == EXT_INT_0)
{
pinIntIRQ = PIN_INT0_IRQn;
callbackPinIntA = callback;
}
else if(pinIntChannel == EXT_INT_1)
{
pinIntIRQ = PIN_INT1_IRQn;
callbackPinIntB = callback;
}
else if(pinIntChannel == EXT_INT_2)
{
pinIntIRQ = PIN_INT2_IRQn;
callbackPinIntC = callback;
}
else if(pinIntChannel == EXT_INT_3)
{
pinIntIRQ = PIN_INT3_IRQn;
callbackPinIntD = callback;
}
/* Configure GPIO pin as input */
Chip_GPIO_SetPinDIRInput(LPC_GPIO_PORT, port, pin);
/* Configure pin as GPIO with pulldown */
// All digital pins are selected such that GPIO is on IOCON_FUNC0
Chip_IOCON_PinMuxSet(LPC_IOCON, port, pin, (IOCON_FUNC0 | IOCON_MODE_PULLDOWN));
/* Enable PININT clock */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_PINT);
/* Configure interrupt channel for the GPIO pin in SysCon block */
Chip_SYSCTL_SetPinInterrupt(pinIntChannel, port, pin);
/* Configure channel interrupt as edge sensitive and falling edge interrupt */
Chip_PININT_ClearIntStatus(LPC_PININT, PININTCH(pinIntChannel));
if(mode == HIGH)
{
Chip_PININT_SetPinModeLevel(LPC_PININT, PININTCH(pinIntChannel));
Chip_PININT_EnableIntHigh(LPC_PININT, PININTCH(pinIntChannel));
}
else if(mode == LOW)
{
Chip_PININT_SetPinModeLevel(LPC_PININT, PININTCH(pinIntChannel));
Chip_PININT_EnableIntLow(LPC_PININT, PININTCH(pinIntChannel));
}
else if(mode == RISING)
{
Chip_PININT_SetPinModeEdge(LPC_PININT, PININTCH(pinIntChannel));
Chip_PININT_EnableIntHigh(LPC_PININT, PININTCH(pinIntChannel));
}
else if(mode == FALLING)
{
Chip_PININT_SetPinModeEdge(LPC_PININT, PININTCH(pinIntChannel));
Chip_PININT_EnableIntLow(LPC_PININT, PININTCH(pinIntChannel));
}
else if(mode == CHANGE)
{
Chip_PININT_SetPinModeEdge(LPC_PININT, PININTCH(pinIntChannel));
Chip_PININT_EnableIntHigh(LPC_PININT, PININTCH(pinIntChannel));
Chip_PININT_EnableIntLow(LPC_PININT, PININTCH(pinIntChannel));
}
/* Enable interrupt in the NVIC */
NVIC_ClearPendingIRQ(pinIntIRQ);
NVIC_EnableIRQ(pinIntIRQ);
}