tim

TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; //声明TIM_TimeBaseInitTypeDef结构变量 TIM_OCInitTypeDef TIM_OCInitStructure; //声明TIM_OCInitTypeDef结构变量 void TIM_INT_Config(void) //中断配置函数 { NVIC_InitTypeDef NVIC_InitStructure; //声明NVIC_InitTypeDef 向量结构变量 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); //使能TIM3时钟 /* TIM3 中断嵌套设计*/ NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn; //选择TIM3的IRQ通道 NVIC_InitStructure.NVIC_IRQChannelPriority = 0; //IRQ通道优先级=0 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能IRQ通道 NVIC_Init(&NVIC_InitStructure); //按以参数上设置 } 来源： https://www.cnblogs.com/beiyhs/p/11397011