/*==============================================================================
hal_extIntInit()
=============================================================================*/
uint8_t hal_extIntInit(en_targetExtInt_t e_intSource, pfn_intCallb_t pfn_intCallback)
{
int8_t c_ret = 0;
s_hal_gpio_pin_t* p_gpioPin = NULL;
if( pfn_intCallback != NULL ) {
/* Initialize GPIO interrupt dispatcher */
GPIOINT_Init();
switch( e_intSource ){
case E_TARGET_RADIO_INT:
pf_hal_radioCb = pfn_intCallback;
p_gpioPin = &s_hal_gpio[e_hal_gpios_rf_irq];
/* configure pin */
GPIO_PinModeSet( p_gpioPin->port, p_gpioPin->pin, p_gpioPin->mode, p_gpioPin->val );
/* Register callbacks before setting up and enabling pin interrupt. */
GPIOINT_CallbackRegister( p_gpioPin->pin, _hal_radioCb );
/* Set falling edge interrupt */
GPIO_IntConfig( p_gpioPin->port, p_gpioPin->pin, true, false, true );
c_ret = 1;
break;
case E_TARGET_USART_INT:
break;
default:
break;
}
}
return c_ret;
} /* hal_extIntInit() */
__LINK_C void __gpio_init()
{
for(int i = 0; i < 16; i++)
{
interrupts[i].callback = 0x0;
interrupts[i].interrupt_port = 0xFF; //signal that a port has not yet been chosen
}
for(int i = 0; i < 6; i++)
gpio_pins_configured[i] = 0;
CMU_ClockEnable(cmuClock_GPIO, true);
/* Initialize GPIO interrupt dispatcher */
GPIOINT_Init();
}
void Buttons_Init(void) {
/* Enable GPIO in CMU */
CMU_ClockEnable(cmuClock_GPIO, true);
/* Initialize ODD and EVEN GPIO interrupts dispatcher */
GPIOINT_Init();
GPIOINT_CallbackRegister(BTN0, buttonCallback);
GPIOINT_CallbackRegister(BTN1, buttonCallback);
GPIOINT_CallbackRegister(BTN2, buttonCallback);
GPIOINT_CallbackRegister(BTN3, buttonCallback);
GPIOINT_CallbackRegister(BTN4, buttonCallback);
Bitless_GpioSetup();
}
/**************************************************************************//**
* @brief Gpio setup. Setup button pins to trigger falling edge interrupts.
* Register callbacks for that interrupts.
*****************************************************************************/
void gpioSetup(void)
{
/* Enable GPIO in CMU */
CMU_ClockEnable(cmuClock_GPIO, true);
/* Initialize GPIO interrupt dispatcher */
GPIOINT_Init();
/* Configure PB9 and PB10 as input */
GPIO_PinModeSet(gpioPortB, 9, gpioModeInput, 0);
GPIO_PinModeSet(gpioPortB, 10, gpioModeInput, 0);
/* Register callbacks before setting up and enabling pin interrupt. */
GPIOINT_CallbackRegister(9, gpioCallback);
GPIOINT_CallbackRegister(10, gpioCallback);
/* Set falling edge interrupt for both ports */
GPIO_IntConfig(gpioPortB, 9, false, true, true);
GPIO_IntConfig(gpioPortB, 10, false, true, true);
}
