stm32的tim1中断
时间: 2023-09-04 17:14:32 浏览: 68
STM32的TIM1中断是通过配置TIM1的更新中断来实现的。在初始化配置中,需要注意结构IM_TimeBaseInitTypeDef中的TIM_RepetitionCounter配置问题。TIM_RepetitionCounter用于配置重复计数,即重复溢出多少次才触发一次溢出中断。只有高级定时器需要配置该参数。在中断处理函数TIM1_UP_IRQHandler中,通过检查指定的TIM中断源(TIM_IT_Update)是否发生,来确定是否触发中断操作。如果中断发生,则需要清除TIM1的中断待处理位(TIM_ClearITPendingBit)。如果需要额外加入重写定时器中断函数,可以使用HAL_TIM_PeriodElapsedCallback函数,并在该函数中添加相应的中断执行内容。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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