/* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = 0xFFFF; TIM_TimeBaseStructure.TIM_Prescaler = 0x02; TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); /* Output Compare Toggle Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle; TIM_OCInitStructure.TIM_Channel = TIM_Channel_1; TIM_OCInitStructure.TIM_Pulse = CCR1_Val; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; TIM_OCInit(TIM2, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Disable); /* Output Compare Toggle Mode configuration: Channel2 */ TIM_OCInitStructure.TIM_Channel = TIM_Channel_2; TIM_OCInitStructure.TIM_Pulse = CCR2_Val; TIM_OCInit(TIM2, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Disable); /* Output Compare Toggle Mode configuration: Channel3 */ TIM_OCInitStructure.TIM_Channel = TIM_Channel_3; TIM_OCInitStructure.TIM_Pulse = CCR3_Val; TIM_OCInit(TIM2, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM2, TIM_OCPreload_Disable); /* Output Compare Toggle Mode configuration: Channel4 */ TIM_OCInitStructure.TIM_Channel = TIM_Channel_4; TIM_OCInitStructure.TIM_Pulse = CCR4_Val; TIM_OCInit(TIM2, &TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM2, TIM_OCPreload_Disable); /* TIM enable counter */ TIM_Cmd(TIM2, ENABLE); /* TIM IT enable */ TIM_ITConfig(TIM2, TIM_IT_CC1 | TIM_IT_CC2 | TIM_IT_CC3 | TIM_IT_CC4, ENABLE); 这样配置一下试试
