/**
  ******************************************************************************
  * File Name          : DAC.c
  * Description        : This file provides code for the configuration
  *                      of the DAC instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "dac.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* DAC init function */
void MX_DAC_Init(void)
{
  LL_DAC_InitTypeDef DAC_InitStruct = {0};

  LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
  /* Peripheral clock enable */
  LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_DAC1);

  LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
  /**DAC GPIO Configuration
  PA5   ------> DAC_OUT2
  */
  GPIO_InitStruct.Pin = LL_GPIO_PIN_5;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_ANALOG;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
  LL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /* DAC DMA Init */

  /* DAC_CH2 Init */
  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_4, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);

  LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PRIORITY_VERYHIGH);

  LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MODE_CIRCULAR);

  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PERIPH_NOINCREMENT);

  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MEMORY_INCREMENT);

  LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_4, LL_DMA_PDATAALIGN_HALFWORD);

  LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_4, LL_DMA_MDATAALIGN_HALFWORD);

  /* DAC interrupt Init */
  NVIC_SetPriority(TIM6_DAC_IRQn, 0);
  NVIC_EnableIRQ(TIM6_DAC_IRQn);

  /** DAC channel OUT2 config
  */
  DAC_InitStruct.TriggerSource = LL_DAC_TRIG_EXT_TIM6_TRGO;
  DAC_InitStruct.WaveAutoGeneration = LL_DAC_WAVE_AUTO_GENERATION_NONE;
  DAC_InitStruct.OutputBuffer = LL_DAC_OUTPUT_BUFFER_ENABLE;
  LL_DAC_Init(DAC, LL_DAC_CHANNEL_2, &DAC_InitStruct);

}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/