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Fix: STM32H747 only supports detection of rising edges, falling edges or rising/falling as interrupt source. #2

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Merged
merged 1 commit into from
Jul 12, 2022
Merged

Fix: STM32H747 only supports detection of rising edges, falling edges or rising/falling as interrupt source. #2

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8 changes: 5 additions & 3 deletions src/gpio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -115,8 +115,6 @@ static void MX_GPIO_Init(void) {

#define GPIO_MODE_IN_RE 0x01 /*!< Input interrupt rising edge */
#define GPIO_MODE_IN_FE 0x02 /*!< Input interrupt falling edge */
#define GPIO_MODE_IN_AH 0x04 /*!< Input interrupt active high */
#define GPIO_MODE_IN_AL 0x08 /*!< Input interrupt active low */

static void handle_irq() {
uint32_t pr = EXTI->PR1;
Expand Down Expand Up @@ -225,7 +223,11 @@ void gpio_handler(uint8_t opcode, uint8_t *pdata, uint16_t size) {
break;
case IRQ_TYPE:
GPIO_InitStruct.Pin = GPIO_pinmap[index].pin;
GPIO_InitStruct.Mode = ((value == GPIO_MODE_IN_RE) || (value == GPIO_MODE_IN_AH)) ? GPIO_MODE_IT_RISING : GPIO_MODE_IT_FALLING;

if (value == GPIO_MODE_IN_RE) GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
else if (value == GPIO_MODE_IN_FE) GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
else return;

GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIO_pinmap[index].port, &GPIO_InitStruct);
Expand Down