TIM1的TIM1_TRGO和TIM1_TRGO2这两个中断无法产生

2万 · 2021-10-13 22:10

1万 · 2021-10-13 22:12

楼主详细说说怎么回事啊，这么说太笼统了

2万 · 2021-10-13 22:14

因为个人应用场景的原因，需要用到TIM1的TRGO和TRGO2这两个触发器，我为这两个触发器配置了各种触发源，无一能够让触发器产生事件，有这方面经验的兄弟可否帮忙看看

1万 · 2021-10-13 22:16

楼主程序可以公开吗？贴程序看下吧，这么说看不出什么原因

2万 · 2021-10-13 22:19

static void MX_TIM1_Init(void)
{

  /* USER CODE BEGIN TIM1_Init 0 */

  /* USER CODE END TIM1_Init 0 */
      TIM_OC_InitTypeDef TIM_CHxHandler;
      TIM_ClockConfigTypeDef sClockSourceConfig = {0};
      TIM_MasterConfigTypeDef sMasterConfig = {0};
      TIM_OC_InitTypeDef sConfigOC = {0};
      TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};

  /* USER CODE BEGIN TIM1_Init 1 */

  /* USER CODE END TIM1_Init 1 */
  htim1.Instance = TIM1;
  htim1.Init.Prescaler = 0;
  htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim1.Init.Period = 8000;
  htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim1.Init.RepetitionCounter = 0;
  htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
  if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
  {
Error_Handler();
  }
  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
  {
Error_Handler();
  }
  if (HAL_TIM_PWM_Init(&htim1) != HAL_OK)
  {
Error_Handler();
  }
  sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;                               //用TIM1的UPDATE事件作为TRGO触发器的触发源
  sMasterConfig.MasterOutputTrigger2 = TIM_TRGO2_RESET;
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_ENABLE;
  if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
  {
Error_Handler();
  }
  sConfigOC.OCMode = TIM_OCMODE_PWM1;
  sConfigOC.Pulse = 8000;
  sConfigOC.OCPolarity = TIM_OCPOLARITY_LOW;
  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
  sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
  if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_5) != HAL_OK)
  {
Error_Handler();
  }
  sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_ENABLE;
  sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_ENABLE;
  sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
  sBreakDeadTimeConfig.DeadTime = 0;
  sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
  sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
  sBreakDeadTimeConfig.BreakFilter = 0;
  sBreakDeadTimeConfig.BreakAFMode = TIM_BREAK_AFMODE_INPUT;
  sBreakDeadTimeConfig.Break2State = TIM_BREAK2_DISABLE;
  sBreakDeadTimeConfig.Break2Polarity = TIM_BREAK2POLARITY_HIGH;
  sBreakDeadTimeConfig.Break2Filter = 0;
  sBreakDeadTimeConfig.Break2AFMode = TIM_BREAK_AFMODE_INPUT;
  sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_ENABLE;
  if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)
  {
Error_Handler();
  }

      SET_BIT(TIM1->CR2, TIM_CR2_CCPC);                      //Enable Capture/Compare Preloaded Control
      __HAL_TIM_MOE_ENABLE(&htim1);             //Enable the TIM main Output.
      /* USER CODE BEGIN TIM1_Init 2 */
      __HAL_TIM_CLEAR_FLAG(&htim1, TIM_FLAG_TRIGGER);
      __HAL_TIM_ENABLE_IT(&htim1, TIM_FLAG_TRIGGER);       //??Update??,??PI??

      //__HAL_TIM_CLEAR_FLAG(&htim1, TIM_FLAG_UPDATE);
      //__HAL_TIM_ENABLE_IT(&htim1, TIM_FLAG_UPDATE);       //??Update??,??PI??

      /* USER CODE END TIM1_Init 2 */
      TIM1->CCER |= TIM_CCER_CC5E;
      __HAL_TIM_ENABLE(&htim1);                      //Enable the TIM peripheral.

}