STM32F103的高级定时器1带死区互补输出配置

STM32F103的高级定时器1带死区互补输出配置

转载 2016-03-12 13:58:52

标签：stm32

原文：http://blog.sina.com.cn/s/blog_7fbb077f0102wjqt.html

void TIM1_PWMConfig()

{

TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;

TIM_OCInitTypeDef TIM_OCInitStructure;

TIM_BDTRInitTypeDef TIM_BDTRInitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);

GPIO_Config( GPIOA,RCC_APB2Periph_GPIOA,GPIO_Mode_AF_PP,GPIO_Pin_8|GPIO_Pin_9);

GPIO_Config( GPIOB,RCC_APB2Periph_GPIOB,GPIO_Mode_AF_PP,GPIO_Pin_13|GPIO_Pin_14);

TIM_TimeBaseInitStructure.TIM_Period=1799;​

​TIM_TimeBaseInitStructure.TIM_Prescaler=0;

TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1;

TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up;

TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure);

TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;

TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;

TIM_OCInitStructure.TIM_OutputNState =TIM_OutputNState_Enable;

TIM_OCInitStructure.TIM_Pulse =0;

TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;

TIM_OCInitStructure.TIM_OCNPolarity =TIM_OCNPolarity_High; // 高电平为有效

TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;

TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;

TIM_OC1Init(TIM1,&TIM_OCInitStructure);

//TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable);

TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;

TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;

TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;

TIM_OCInitStructure.TIM_Pulse =0;

TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;

TIM_OCInitStructure.TIM_OCNPolarity =TIM_OCNPolarity_High;

TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;

TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;

TIM_OC2Init(TIM1,&TIM_OCInitStructure);

//TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable);​

TIM_BDTRInitStructure.TIM_AutomaticOutput=TIM_AutomaticOutput_Enable;

TIM_BDTRInitStructure.TIM_Break=TIM_Break_Disable;//TIM_Break_Enable;

TIM_BDTRInitStructure.TIM_BreakPolarity=TIM_BreakPolarity_High;

TIM_BDTRInitStructure.TIM_DeadTime=28;

TIM_BDTRInitStructure.TIM_LOCKLevel=TIM_LOCKLevel_OFF;

TIM_BDTRInitStructure.TIM_OSSIState=TIM_OSSIState_Disable;//TIM_OSSIState_Disable;//TIM_OSSIState_Enable;

TIM_BDTRInitStructure.TIM_OSSRState=TIM_OSSRState_Disable;//TIM_OSSRState_Disable;//TIM_OSSRState_Enable;

TIM_BDTRConfig(TIM1,&TIM_BDTRInitStructure);

TIM_ARRPreloadConfig(TIM1,ENABLE);

TIM_CtrlPWMOutputs(TIM1,ENABLE);//MOE=1,开启OC和OCN输出

TIM_Cmd(TIM1,ENABLE);

}

其他函数：

控制高级定时器某个通道及其反相通道单处输出或关闭

void TIM_CCxCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx)

void TIM_CCxNCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN)

输出波形演示：​



CH1、CH1N、CH2、CH2N同时输出



CH1、CH1N、CH2打开，关闭CH2N的输出