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[NUCLEO_F030R8] Add more interrupt_in pins

pull/258/head
bcostm 2014-04-08 16:46:38 +02:00
parent ab7cc12156
commit aba5d84046
1 changed files with 19 additions and 20 deletions
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39
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/gpio_irq_api.c
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@ -51,7 +51,7 @@ static void handle_interrupt_in(uint32_t irq_index) {
// Retrieve the gpio and pin that generate the irq
GPIO_TypeDef *gpio = (GPIO_TypeDef *)(channel_gpio[irq_index]);
uint32_t pin = (uint32_t)(1 << channel_pin[irq_index]);
// Clear interrupt flag
if (EXTI_GetITStatus(pin) != RESET)
{
@ -87,25 +87,24 @@ int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32
uint32_t pin_index = STM_PIN(pin);
// Select irq number and interrupt routine
switch (pin) {
case PC_13: // User button
irq_n = EXTI4_15_IRQn;
vector = (uint32_t)&gpio_irq0;
irq_index = 0;
break;
case PA_0:
irq_n = EXTI0_1_IRQn;
vector = (uint32_t)&gpio_irq1;
irq_index = 1;
break;
case PB_3:
irq_n = EXTI2_3_IRQn;
vector = (uint32_t)&gpio_irq2;
irq_index = 2;
break;
default:
error("This pin is not supported\n");
return -1;
if ((pin_index == 0) || (pin_index == 1)) {
irq_n = EXTI0_1_IRQn;
vector = (uint32_t)&gpio_irq0;
irq_index = 0;
}
else if ((pin_index == 2) || (pin_index == 3)) {
irq_n = EXTI2_3_IRQn;
vector = (uint32_t)&gpio_irq1;
irq_index = 1;
}
else if ((pin_index > 3) && (pin_index < 16)) {
irq_n = EXTI4_15_IRQn;
vector = (uint32_t)&gpio_irq2;
irq_index = 2;
}
else {
error("InterruptIn error: pin not supported.\n");
return -1;
}
// Enable GPIO clock