写一段stm32f103c8t6定时器中断的.c和.h文件
时间: 2023-09-04 12:17:31 浏览: 49
以下是stm32f103c8t6定时器中断的.c和.h文件的示例代码。
timer.h
```c
#ifndef __TIMER_H
#define __TIMER_H
#include "stm32f10x.h"
void TIM_Configuration(void);
#endif /* __TIMER_H */
```
timer.c
```c
#include "timer.h"
void TIM_Configuration(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
TIM_TimeBaseStructure.TIM_Prescaler = 7200 - 1;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_Period = 1000 - 1;
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
TIM_Cmd(TIM2, ENABLE);
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void TIM2_IRQHandler(void)
{
if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)
{
// TODO: 定时器中断处理
TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
}
}
```
在main函数中调用`TIM_Configuration()`函数即可。其中,`TIM_TimeBaseStructure.TIM_Prescaler`、`TIM_TimeBaseStructure.TIM_Period`和`NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority`等参数可根据实际需要进行修改。