TIM1 6路互补输出波形不互补

LKC_liu

TIM1 配置

void TIM_Configuration(void)

{

   TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;

   TIM_OCInitTypeDef       TIM_OCInitStructure;

   TIM_BDTRInitTypeDef     TIM_BDTRInitStructure;

   GPIO_InitTypeDef        GPIO_InitStructure;

   NVIC_InitTypeDef         NVIC_InitStructure;

/***********************************PWM端口配置********************************/

//  /*

   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);

   RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);

   

   GPIO_StructInit(&GPIO_InitStructure);

   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 |GPIO_Pin_10;                              

   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//GPIO_Mode_AF;

   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

   GPIO_InitStructure.GPIO_OType =GPIO_OType_PP;//GPIO_OType_OD;//GPIO_OType_PP;

   GPIO_InitStructure.GPIO_PuPd =GPIO_PuPd_DOWN;//GPIO_PuPd_UP;//GPIO_PuPd_NOPULL

   GPIO_Init(GPIOA, &GPIO_InitStructure);

   GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_2);

   GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_2);

   GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_2);

   GPIO_PinLockConfig(GPIOA, GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 );

///*

   GPIO_StructInit(&GPIO_InitStructure);

   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;

   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;

   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;

   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;

   GPIO_Init(GPIOB, &GPIO_InitStructure);

   GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_2);

   GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_2);

   GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_2);

   GPIO_PinLockConfig(GPIOB, GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15 );

   

  //*/

   /*

   GPIO_StructInit(&GPIO_InitStructure);

   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;

   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;

    GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;

   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;

   GPIO_InitStructure.GPIO_PuPd =GPIO_PuPd_UP;//GPIO_PuPd_DOWN;//GPIO_PuPd_DOWN;

   GPIO_Init(GPIOB, &GPIO_InitStructure);   

   

   GPIO_SetBits(GPIOB, GPIO_Pin_13);

   GPIO_SetBits(GPIOB, GPIO_Pin_14);

   GPIO_SetBits(GPIOB, GPIO_Pin_15);

   */

/***********************************PWM端口配置********************************/

   Period = 3199;   //2014-8-27   PWM 频率 15K

   MotorA.PWM_Freq = BLDC_PWM_Freq;

   MotorA.TimerPeriod = Period;

   Pluse = 0; //默认占空比30%

    TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);///++++++++++++++++

     

   TIM_TimeBaseStructure.TIM_Prescaler = 0;//预分频

   TIM_TimeBaseStructure.TIM_CounterMode =TIM_CounterMode_Down;//TIM_CounterMode_Down;//向下计数

   TIM_TimeBaseStructure.TIM_Period = Period;//3199周期

   TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//时钟分割

   TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;//设置周期计数值

   TIM_TimeBaseInit(BLDC_TIMER_NUM, &TIM_TimeBaseStructure);

   

   TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);//+++++++++++++

   

    TIM_OCStructInit(&TIM_OCInitStructure);

   /* Channel 1, 2,3 and 4 Configuration in PWM mode */

   TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;//TIM_OCMode_PWM1;

   TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;  ////使能输出比较状态

   TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;//互补状态使能

   TIM_OCInitStructure.TIM_Pulse = Pluse;//比较计数值 到达这个值发生跳变

   

   TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;  //当达到计数器跳变是高电平  8 9 10 上桥高电平有效

   TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low;//TIM_OCNPolarity_High;//TIM_OCNPolarity_High;

   

   TIM_OCInitStructure.TIM_OCIdleState =TIM_OCIdleState_Set;//TIM_OCIdleState_Reset;  //2015-1-22

   TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;//TIM_OCNIdleState_Reset;//2015-1-22

   

   

   TIM_OC1Init(BLDC_TIMER_NUM, &TIM_OCInitStructure);

   TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);

   

   TIM_OC2Init(BLDC_TIMER_NUM, &TIM_OCInitStructure);

    TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);

     

   TIM_OC3Init(BLDC_TIMER_NUM, &TIM_OCInitStructure);

   TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);

   /**************************************************************************/

   TIM_OCStructInit(&TIM_OCInitStructure);

   

   /* Channel 4 Configuration in OC */

   TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;   

                                                            

   TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;

   TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Disable;

   

   TIM_OCInitStructure.TIM_Pulse = 10;

   TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;

   TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low;

   TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;

   TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;            

   TIM_OC4Init(TIM1, &TIM_OCInitStructure);

   

   /* Enables the TIM1 Preload on CC1 Register */

   //TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);

   /* Enables the TIM1 Preload on CC2 Register */

   //TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);

   /* Enables the TIM1 Preload on CC3 Register */

   //TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);

   /* Enables the TIM1 Preload on CC4 Register */

   //TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable);

   

   /* Automatic Output enable, Break, dead time and lock configuration*/

   TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable;

   TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable;

   TIM_BDTRInitStructure.TIM_LOCKLevel =TIM_LOCKLevel_OFF;//TIM_LOCKLevel_OFF;

   TIM_BDTRInitStructure.TIM_DeadTime = 48;//48=1us; 原来为96 死区时间

   TIM_BDTRInitStructure.TIM_Break = TIM_Break_Disable;

   TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;

   TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable;

   TIM_BDTRConfig(BLDC_TIMER_NUM, &TIM_BDTRInitStructure);

   TIM_CCxCmd(BLDC_TIMER_NUM, TIM_Channel_1, TIM_CCx_Disable);

   TIM_CCxNCmd(BLDC_TIMER_NUM, TIM_Channel_1, TIM_CCxN_Disable);

   TIM_CCxCmd(BLDC_TIMER_NUM, TIM_Channel_2, TIM_CCx_Disable);

   TIM_CCxNCmd(BLDC_TIMER_NUM, TIM_Channel_2, TIM_CCxN_Disable);

   TIM_CCxCmd(BLDC_TIMER_NUM, TIM_Channel_3, TIM_CCx_Disable);

   TIM_CCxNCmd(BLDC_TIMER_NUM, TIM_Channel_3, TIM_CCxN_Disable);

   TIM_CCxCmd(BLDC_TIMER_NUM, TIM_Channel_4, TIM_CCx_Enable);

   

   TIM_ITConfig(TIM1, TIM_IT_CC4, ENABLE);

   TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE);

   

   

   TIM_Cmd(TIM1, ENABLE);

   TIM_CtrlPWMOutputs(TIM1, ENABLE);   

   //定时器捕获比较中断

   NVIC_InitStructure.NVIC_IRQChannel = BLDC_TIM_CC_IRQn;

   NVIC_InitStructure.NVIC_IRQChannelPriority = 1;

   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

   NVIC_Init(&NVIC_InitStructure);

   

   while(1)

    {

     

    //TIM1->CCR1 = 1000; //AH   

     TIM1->CCR2 = 1000; //BH

//   TIM1->CCR3 = 0; //CH

        

//     TIM_CCxCmd(TIM1, TIM_Channel_1, TIM_CCx_Enable);

     TIM_SelectOCxM(TIM1, TIM_Channel_2, TIM_OCMode_PWM1);

     TIM_CCxCmd(TIM1, TIM_Channel_2, TIM_CCx_Enable);

//     TIM_CCxCmd(TIM1, TIM_Channel_3, TIM_CCx_Enable);

     

//     TIM_CCxNCmd(TIM1, TIM_Channel_1, TIM_CCxN_Enable);

     TIM_CCxNCmd(TIM1, TIM_Channel_2, TIM_CCxN_Enable);

//     TIM_CCxNCmd(TIM1, TIM_Channel_3, TIM_CCxN_Enable);

     

      TIM_CtrlPWMOutputs(TIM1, ENABLE);

    }

}

LKC_liu

不知道是那里的问题导致的