STM32F429---DAC---配置方法

ID:379404 · 发表于 2018-7-26 13:49

void MX_DAC_Init(void)
{
  DAC_ChannelConfTypeDef sConfig;
  TIM_MasterConfigTypeDef sMasterConfig;

  /* DMA中断配置 */
//  HAL_NVIC_SetPriority(DACx_DMAx_CHANNELn_IRQn, 1, 0);
//  HAL_NVIC_EnableIRQ(DACx_DMAx_CHANNELn_IRQn);

  /* DAC初始化 */
  hdac.Instance = DACx;
  HAL_DAC_Init(&hdac);

  /* DAC通道输出配置 */
  sConfig.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
  sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_DISABLE;
  HAL_DAC_ConfigChannel(&hdac, &sConfig, DACx_CHANNEL);

  htim6.Instance = TIM6;
  htim6.Init.Prescaler =900-1;
  htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim6.Init.Period =4-1;
  HAL_TIM_Base_Init(&htim6);

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig);
}

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