关于STM32F中按键中断分析 );//PB12配置为EXT1第10-15线的中断向量 NVIC_InitStructure.NVIC_IRQChannel =EXTI15_10_IRQn;//设置抢占优先级为0 水寒月拢纱2019-08-19 11:50:00 STM32+LoRa打造LPWA物联网系统 NVIC_InitStructure.NVIC_IRQChannel =EXTI15_10_IRQn; //设置抢占优先级为0 ...
let the HAL do the work for you. in the stm32l4xx_hal_gpio.h header file, they define a callback: void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin); you get which pin it is passed to you in the callback routine. the HAL automagically clears the flag for you. both the callback ...
按键初始化这样：void KEY_Init(void) //IO初始化 { GPIO_InitTypeDef GPIO_InitStructure;RCC_APB2...
GPIO_EXtiLineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource15);//Ñ¡ÔñGPIO¹Ü½...