STM32TIM1定时器中断配置代码
时间: 2024-05-11 15:17:20 浏览: 10
以下是STM32 TIM1定时器中断配置代码的示例:
```c
#include "stm32f4xx.h"
void TIM1_UP_TIM10_IRQHandler(void)
{
if(TIM_GetITStatus(TIM1, TIM_IT_Update) != RESET)
{
// 中断处理代码
// ...
TIM_ClearITPendingBit(TIM1, TIM_IT_Update);
}
}
void TIM1_Configuration(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
TIM_TimeBaseStructure.TIM_Period = 1000 - 1; // 计数器周期为1000
TIM_TimeBaseStructure.TIM_Prescaler = 8400 - 1; // 时钟预分频为8400
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = TIM1_UP_TIM10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
TIM_Cmd(TIM1, ENABLE);
}
```
在这个示例中,我们使用了STM32F4的TIM1定时器,并配置了一个1秒的定时器中断。在中断处理函数中,我们可以编写处理代码。在主函数中,我们可以调用 `TIM1_Configuration()` 函数来初始化TIM1定时器并启用中断。