/* Enable the KEY_BUTTON_EXTI_IRQn Interrupt */ NVIC_InitStructure.NVIC_IRQChannel = KEY_BUTTON_...
FunctionalState NVIC_IRQChannelCmd; }NVIC_InitTypeDef; ---***--- NVIC_IRQChannel用以使能或者失能指定的IRQ通道,可取值有: WWDG_IRQn 窗口看门狗中断 PVD_IRQn PVD通过EXTI探测中断 TAMPER_IRQn 篡改中断 RTC_IRQn RTC全局中断 Flashf_IRQn FLASH全局中断 RCC_IRQn RCC全局中断 EXTI0_IRQn 外部中断线0中断 EX...
EXTI_NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; EXTI_NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; //抢占优先级别(0~1) EXTI_NVIC_InitStructure.NVIC_IRQChannelSubPriority = 7; //响应优先级别(0~7) EXTI_NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; 第三步:中断初始化结构体初始...
EXTI_NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; EXTI_NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; //抢占优先级别(0~1) EXTI_NVIC_InitStructure.NVIC_IRQChannelSubPriority = 7; //响应优先级别(0~7) EXTI_NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; 第三步:中断初始化结构体初始...
uint8_t NVIC_IRQChannelPreemptionPriority; //抢断优先级 uint8_t NVIC_IRQChannelSubPriority; //响应优先级 FunctionalState NVIC_IRQChannelCmd; } NVIC_InitTypeDef; 例如:STM32外部中断0配置如下 EXTI_NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; ...
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; // 指定响应优先级别0 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); // 使能EXTI9_5中断 NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; // 指定抢占...
uint8_t NVIC_IRQChannel; uint8_t NVIC_IRQChannelPreemptionPriority; //抢断优先级 uint8_t NVIC_IRQChannelSubPriority; //响应优先级 FunctionalState NVIC_IRQChannelCmd; } NVIC_InitTypeDef; 例如:STM32外部中断0配置如下 EXTI_NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; ...
NVIC_X.NVIC_IRQChannel = EXTI9_5_IRQn; //配置中断向量；
恩,找到错误了,刚才仔细翻查了例程,正确的形式是NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn; 看来固件库的错误还真不少,我还找到一个错误,就是上面提到的 NVIC_Init(&NVIC_InitStructure); 而不是固件库中的 NVIC_InitStructure(&NVIC_InitStructure);希望与大家分享经验,以后少走弯路,呵呵~ 2019-7-...
typedefstruct{uint8_tNVIC_IRQChannel;//中断源uint8_tNVIC_IRQChannelPreemptionPriority;//抢占优先级uint8_tNVIC_IRQChannelSubPriority;//响应优先级FunctionalState NVIC_IRQChannelCmd;//是否使能} NVIC_InitTypeDef; 针对每个中断,设置对应的抢占优先级和响应优先级,下面以中断源为 "USART2_IRQn",抢占优先级为1,...