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#include timer.hvoid TIMER_TimerInit(void)TIM_TimeBaseInitTypeDefTIM_TimeBaseStructure;RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);TIM_TimeBaseStructure.TIM_Period = 10000;TIM_TimeBaseStructure.TIM_Prescaler =(72-1);TIM_TimeBaseStructure.TIM_ClockDivision = 0;TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE);TIM_Cmd(TIM2, ENABLE);/使能 TIM3