STM32F405RGT6 定时器1输出3路PWM波 但是没有波形

wsx20200504

#define PWM_H_PORT    GPIOA
#define PWM_1_H       GPIO_Pin_8
#define PWM_2_H       GPIO_Pin_9
#define PWM_3_H       GPIO_Pin_10

#define PWM_L_PORT    GPIOB
#define PWM_1_L       GPIO_Pin_13
#define PWM_2_L       GPIO_Pin_14
#define PWM_3_L       GPIO_Pin_15


#define PWM_TIME               TIM1
#define PWM_TIM_CLOCK       84000000
#define PWM_TIM_FREQ        10000         //HZ
#define PWM_TIM_PULSE      (PWM_TIM_CLOCK/(2*PWM_TIM_FREQ))//8400
#define PWM_TIM_PULSE_TPWM  (PWM_TIM_CLOCK/(PWM_TIM_FREQ))//16800
#define FOC_PERIOD          0.0001F

void Pwm_Init(void)
{
       
        GPIO_InitTypeDef PIN_InitStructure;
        TIM_TimeBaseInitTypeDef PWM_TIM_TimeBaseStructure;
        TIM_OCInitTypeDef PWM_TIM_OCInitStructure;
        TIM_BDTRInitTypeDef PWM_TIM_BDTRInitStructure;
       
        RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOA,ENABLE);
        RCC_AHB1PeriphResetCmd(RCC_AHB1Periph_GPIOB,ENABLE);
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
       
       
        PIN_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  PIN_InitStructure.GPIO_Speed = GPIO_High_Speed;
  PIN_InitStructure.GPIO_OType = GPIO_OType_PP;
  PIN_InitStructure.GPIO_PuPd  = GPIO_PuPd_UP;
       
       
  PIN_InitStructure.GPIO_Pin = PWM_1_H;//|PWM_2_H|PWM_3_H;
  GPIO_Init(PWM_H_PORT, &PIN_InitStructure);
       
        PIN_InitStructure.GPIO_Pin = PWM_2_H;
  GPIO_Init(PWM_H_PORT, &PIN_InitStructure);
       
        PIN_InitStructure.GPIO_Pin = PWM_3_H;
  GPIO_Init(PWM_H_PORT, &PIN_InitStructure);
       
/*        PIN_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  PIN_InitStructure.GPIO_Speed = GPIO_High_Speed;
  PIN_InitStructure.GPIO_OType = GPIO_OType_PP;
  PIN_InitStructure.GPIO_PuPd  = GPIO_PuPd_UP;*/
        PIN_InitStructure.GPIO_Pin = PWM_1_L;
  GPIO_Init(PWM_L_PORT, &PIN_InitStructure);
       
  PIN_InitStructure.GPIO_Pin = PWM_2_L;
  GPIO_Init(PWM_L_PORT, &PIN_InitStructure);
       
  PIN_InitStructure.GPIO_Pin = PWM_3_L;
  GPIO_Init(PWM_L_PORT, &PIN_InitStructure);
       
        GPIO_PinAFConfig(PWM_H_PORT,PWM1H_PIN_SOURCE,PWM1H_PORT_AF);
  GPIO_PinAFConfig(PWM_H_PORT,PWM2H_PIN_SOURCE,PWM2H_PORT_AF);
  GPIO_PinAFConfig(PWM_H_PORT,PWM3H_PIN_SOURCE,PWM3H_PORT_AF);
        GPIO_PinAFConfig(PWM_L_PORT,PWM1L_PIN_SOURCE,PWM1L_PORT_AF);
  GPIO_PinAFConfig(PWM_L_PORT,PWM2L_PIN_SOURCE,PWM2L_PORT_AF);
  GPIO_PinAFConfig(PWM_L_PORT,PWM3L_PIN_SOURCE,PWM3L_PORT_AF);
       
        /*****************************PWM输出初始化配置****************************/
TIM_DeInit(PWM_TIME);
TIM_TimeBaseStructInit(&PWM_TIM_TimeBaseStructure);

  PWM_TIM_TimeBaseStructure.TIM_Prescaler = 0;
  PWM_TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_CenterAligned1;
  PWM_TIM_TimeBaseStructure.TIM_Period = PWM_TIM_PULSE;
  PWM_TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
  PWM_TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
  TIM_TimeBaseInit(PWM_TIME, &PWM_TIM_TimeBaseStructure);

  TIM_OCStructInit(&PWM_TIM_OCInitStructure);
  PWM_TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  PWM_TIM_OCInitStructure.TIM_OutputState =  TIM_OutputState_Enable;
  PWM_TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
  PWM_TIM_OCInitStructure.TIM_Pulse = PWM_TIM_PULSE>>1;
  PWM_TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
  PWM_TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;
  PWM_TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
  PWM_TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;

  TIM_OC1Init(PWM_TIME, &PWM_TIM_OCInitStructure);
  TIM_OC2Init(PWM_TIME, &PWM_TIM_OCInitStructure);
  TIM_OC3Init(PWM_TIME, &PWM_TIM_OCInitStructure);

  /*PWM_TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  PWM_TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  PWM_TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
  PWM_TIM_OCInitStructure.TIM_Pulse = PWM_TIM_PULSE;
  PWM_TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
  PWM_TIM_OCInitStructure.TIM_OCNPolarity =TIM_OCNPolarity_Low;
  PWM_TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;
  PWM_TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;  
  TIM_OC4Init(PWM_TIME, &PWM_TIM_OCInitStructure);*/

  PWM_TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable;
  PWM_TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable;
  PWM_TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1;
  PWM_TIM_BDTRInitStructure.TIM_DeadTime = PWM_DEAD_TIME;
  PWM_TIM_BDTRInitStructure.TIM_Break = TIM_Break_Disable;
  PWM_TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_Low;
  PWM_TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Disable;
  TIM_BDTRConfig(PWM_TIME, &PWM_TIM_BDTRInitStructure);

/* TIM_SelectInputTrigger(PWM_TIME,TIM_IT_CC1);
          TIM_SelectInputTrigger(PWM_TIME,TIM_IT_CC2);
                  TIM_SelectInputTrigger(PWM_TIME,TIM_IT_CC3);*/
  TIM_ITConfig(PWM_TIME, TIM_IT_Update, ENABLE);
        TIM_OC1PreloadConfig(PWM_TIME, TIM_OCPreload_Enable);
        TIM_OC2PreloadConfig(PWM_TIME, TIM_OCPreload_Enable);
        TIM_OC3PreloadConfig(PWM_TIME, TIM_OCPreload_Enable);
        TIM_ARRPreloadConfig(PWM_TIME,ENABLE);
  TIM_Cmd(PWM_TIME, ENABLE);

  PWM_TIME->CCR1 = PWM_TIM_PULSE>>1;
  PWM_TIME->CCR2 = PWM_TIM_PULSE>>1;
  PWM_TIME->CCR3 = PWM_TIM_PULSE>>1;
// PWM_TIME->CCR4 = PWM_TIM_PULSE-1;

}
/**********************************************end****************************************/

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