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[BSP] Fix: stm32f10x external interrupt bug 

Missing of 'GPIO_EXTILineConfig' may cause that program enters interrupt handler forever.
This commit is contained in:
Peter Zhang 2018-02-28 17:31:38 +08:00 committed by GitHub
parent 90ee8661d9
commit d3cb7478ec
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
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7
bsp/stm32f10x/drivers/gpio.c
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@ -21,8 +21,8 @@
#define STM32F10X_PIN_NUMBERS 100 //[48, 64, 100, 144 ] #define STM32F10X_PIN_NUMBERS 100 //[48, 64, 100, 144 ]
#define __STM32_PIN(index, rcc, gpio, gpio_index) { 0, RCC_##rcc##Periph_GPIO##gpio, GPIO##gpio, GPIO_Pin_##gpio_index} #define __STM32_PIN(index, rcc, gpio, gpio_index) { 0, RCC_##rcc##Periph_GPIO##gpio, GPIO##gpio, GPIO_Pin_##gpio_index, GPIO_PortSourceGPIO##gpio, GPIO_PinSource##gpio_index}
#define __STM32_PIN_DEFAULT {-1, 0, 0, 0} #define __STM32_PIN_DEFAULT {-1, 0, 0, 0, 0, 0}
/* STM32 GPIO driver */ /* STM32 GPIO driver */
struct pin_index struct pin_index
@ -31,6 +31,8 @@ struct pin_index
uint32_t rcc; uint32_t rcc;
GPIO_TypeDef *gpio; GPIO_TypeDef *gpio;
uint32_t pin; uint32_t pin;
uint8_t port_source;
uint8_t pin_source;
}; };
static const struct pin_index pins[] = static const struct pin_index pins[] =
@ -695,6 +697,7 @@ rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStructure); NVIC_Init(&NVIC_InitStructure);
GPIO_EXTILineConfig(index->port_source, index->pin_source);
EXTI_InitStructure.EXTI_Line = irqmap->irqbit; EXTI_InitStructure.EXTI_Line = irqmap->irqbit;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
switch(pin_irq_hdr_tab[irqindex].mode) switch(pin_irq_hdr_tab[irqindex].mode)