为什么STM32F407ZE的PA8、9、10、11配置成TIM1没有输出？

heyangfengyue

如题：为什么STM32F407ZE的PA8、9、10、11配置成TIM1没有输出？？？请高手指点！谢谢！！！
程序如下：
void TIM_Config(void)
{
        GPIO_InitTypeDef GPIO_InitStructure;
       
        RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOA, ENABLE);
       
        GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_TIM1);
        GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_TIM1);
        GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_TIM1);
        GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_TIM1);
       
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
        GPIO_Init(GPIOA, &GPIO_InitStructure);
}

/*·ÖƵºÍÖÜÆÚ¼ÆË㹫ʽ:
  Prescaler = (TIMxCLK / TIMx counter clock) - 1;
  Period = (TIMx counter clock / TIM3 output clock) - 1
  TIMx counter clockΪÄãËùÐèÒªµÄTXMµÄ¶¨Ê±Æ÷ʱÖÓ
  */
void PWM_OUT(void)
{
        TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
        TIM_OCInitTypeDef TIM_OCInitStructure;
       
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);
        TIM_DeInit(TIM1);

        TIM_TimeBaseStructure.TIM_Period = 699; //×Ô¶¯×°ÔØÖµ
        TIM_TimeBaseStructure.TIM_Prescaler = 3;//¶¨Ê±Æ÷·ÖƵ
        TIM_TimeBaseStructure.TIM_ClockDivision = 0;//ʱÖÓ·ÖƵ
        TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//ÏòÉϼÆʱ
        TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);

        TIM_OCStructInit(&TIM_OCInitStructure);
        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
        TIM_OCInitStructure.TIM_Pulse = 350;
        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//TIM_OCPolarity_High;
        TIM_OC1Init(TIM1, &TIM_OCInitStructure);
        TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);
       
        TIM_OCStructInit(&TIM_OCInitStructure);
        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
        TIM_OCInitStructure.TIM_Pulse = 350;
        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//TIM_OCPolarity_High;
        TIM_OC2Init(TIM1, &TIM_OCInitStructure);
        TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);
       
        TIM_OCStructInit(&TIM_OCInitStructure);
        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
        TIM_OCInitStructure.TIM_Pulse = 350;
        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//TIM_OCPolarity_High;
        TIM_OC3Init(TIM1, &TIM_OCInitStructure);
        TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);
       
        TIM_OCStructInit(&TIM_OCInitStructure);
        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
        TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
        TIM_OCInitStructure.TIM_Pulse = 350;
        TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//TIM_OCPolarity_High;
        TIM_OC4Init(TIM1, &TIM_OCInitStructure);
        TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable);

        TIM_ARRPreloadConfig(TIM1, ENABLE);
        TIM_Cmd(TIM1, ENABLE);
}


void Sys_HSEClk_Init(void)
{
        RCC_DeInit();   
  RCC_HSEConfig(RCC_HSE_ON);
  if(RCC_WaitForHSEStartUp() == SUCCESS)
  {
     RCC_PLLCmd(DISABLE);
     RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
     RCC_HCLKConfig(RCC_SYSCLK_Div1);
     RCC_PCLK1Config(RCC_HCLK_Div4);
     RCC_PCLK2Config(RCC_HCLK_Div2);
     RCC_PLLConfig(RCC_PLLSource_HSE,25,336,2,7);
     RCC_PLLCmd(ENABLE);
     while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);  
  }
        while(RCC_GetSYSCLKSource() != 0x08);
}

void GPIO_Conf(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC, ENABLE);
       
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  GPIO_Init(GPIOA, &GPIO_InitStructure);//A12
       
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  GPIO_Init(GPIOC, &GPIO_InitStructure);//C10
       
}


int main(void)
{       
        Sys_HSEClk_Init();
        GPIO_Conf();
        TIM_Config();
        PWM_OUT();
       
//        GPIO_ResetBits(GPIOA,GPIO_Pin_12);
//        GPIO_ResetBits(GPIOC,GPIO_Pin_10);
       
        while(1)
        {
        }//while end */

}//main end

20061002838

因为你少了一个函数啊
TIM_CtrlPWMOutputs(TIM1, ENABLE);
高级定时器多了一些东西，需要单独配置才行

heyangfengyue

20061002838 发表于 2018-8-16 16:54
因为你少了一个函数啊
TIM_CtrlPWMOutputs(TIM1, ENABLE);
高级定时器多了一些东西，需要单独配置才行 ...

谢了高手！结贴了，没想到这么快！！！

爱咋咋地

xuekcd

我也没想到这么快结贴了

fengshuai_1984

也帮我解决问题了，