[BSP] Fix: stm32f10x external interrupt bug
Missing of 'GPIO_EXTILineConfig' may cause that program enters interrupt handler forever.
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@ -21,8 +21,8 @@
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#define STM32F10X_PIN_NUMBERS 100 //[48, 64, 100, 144 ]
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#define __STM32_PIN(index, rcc, gpio, gpio_index) { 0, RCC_##rcc##Periph_GPIO##gpio, GPIO##gpio, GPIO_Pin_##gpio_index}
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#define __STM32_PIN_DEFAULT {-1, 0, 0, 0}
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#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}
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#define __STM32_PIN_DEFAULT {-1, 0, 0, 0, 0, 0}
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/* STM32 GPIO driver */
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struct pin_index
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@ -31,6 +31,8 @@ struct pin_index
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uint32_t rcc;
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GPIO_TypeDef *gpio;
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uint32_t pin;
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uint8_t port_source;
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uint8_t pin_source;
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};
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static const struct pin_index pins[] =
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@ -695,6 +697,7 @@ rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
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NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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GPIO_EXTILineConfig(index->port_source, index->pin_source);
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EXTI_InitStructure.EXTI_Line = irqmap->irqbit;
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EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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switch(pin_irq_hdr_tab[irqindex].mode)
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