/**
  ******************************************************************************
  * @file    DAC/DAC_SignalsGeneration/Src/stm32f3xx_hal_msp.c
  * @author  MCD Application Team
  * @brief   HAL MSP module.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2016 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 "main.h"

/** @addtogroup STM32F3xx_HAL_Examples
  * @{
  */

/** @defgroup DAC_SignalsGeneration
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/** @defgroup HAL_MSP_Private_Functions
  * @{
  */

/**
  * @brief DAC MSP Initialization 
  *        This function configures the hardware resources used in this example: 
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration
  * @param hdac: DAC handle pointer
  * @retval None
  */
void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac)
{
  GPIO_InitTypeDef          GPIO_InitStruct;
  static DMA_HandleTypeDef  hdma_dac1;

  /*##-1- Enable peripherals and GPIO Clocks #################################*/
  /* Enable GPIO clock ****************************************/
  DACx_CHANNEL_GPIO_CLK_ENABLE();
  /* DAC Periph clock enable */
  DACx_CLK_ENABLE();
  /* DMA1 clock enable */
  DMAx_CLK_ENABLE();
  /* SYSCFG clock enable for DMA remapping */
  __HAL_RCC_SYSCFG_CLK_ENABLE();

  /*##-2- Configure peripheral GPIO ##########################################*/
  /* DAC Channel1 GPIO pin configuration */
  GPIO_InitStruct.Pin = DACx_CHANNEL_PIN;
  GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(DACx_CHANNEL_GPIO_PORT, &GPIO_InitStruct);

  /*##-3- Configure the DMA ##########################################*/
  /* Set the parameters to be configured for DACx_DMA1_CHANNEL3 */
  hdma_dac1.Instance = DACx_DMA_INSTANCE;

  hdma_dac1.Init.Direction = DMA_MEMORY_TO_PERIPH;
  hdma_dac1.Init.PeriphInc = DMA_PINC_DISABLE;
  hdma_dac1.Init.MemInc = DMA_MINC_ENABLE;
  hdma_dac1.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
  hdma_dac1.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
  hdma_dac1.Init.Mode = DMA_CIRCULAR;
  hdma_dac1.Init.Priority = DMA_PRIORITY_HIGH;

  HAL_DMA_Init(&hdma_dac1);

  /* Associate the initialized DMA handle to the the DAC handle */
  __HAL_LINKDMA(hdac, DMA_Handle1, hdma_dac1);

  /*##-4- Configure the NVIC for DMA #########################################*/
  /* Enable the DMA1_Channel3 IRQ Channel */
  HAL_NVIC_SetPriority(DACx_DMA_IRQn, 2, 0);
  HAL_NVIC_EnableIRQ(DACx_DMA_IRQn);

  /*##-5- Configure the SYSCFG for DMA remapping #############################*/
  __HAL_DMA_REMAP_CHANNEL_ENABLE(HAL_REMAPDMA_TIM6_DAC1_CH1_DMA1_CH3);
}

/**
  * @brief  DeInitializes the DAC MSP.
  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval None
  */
void HAL_DAC_MspDeInit(DAC_HandleTypeDef *hdac)
{
  /*##-1- Reset peripherals ##################################################*/
  DACx_FORCE_RESET();
  DACx_RELEASE_RESET();

  /*##-2- Disable peripherals and GPIO Clocks ################################*/
  /* De-initialize the DAC Channel1 GPIO pin */
  HAL_GPIO_DeInit(DACx_CHANNEL_GPIO_PORT, DACx_CHANNEL_PIN);

  /*##-3- Disable the DMA Channel ############################################*/
  /* De-Initialize the DMA Channel associate to DAC_Channel1 */
  HAL_DMA_DeInit(hdac->DMA_Handle1);

  /*##-4- Disable the NVIC for DMA ###########################################*/
  HAL_NVIC_DisableIRQ(DACx_DMA_IRQn);
}

/**
  * @brief TIM MSP Initialization
  *        This function configures the hardware resources used in this example:
  *           - Peripheral's clock enable
  *           - Peripheral's GPIO Configuration
  * @param htim: TIM handle pointer
  * @retval None
  */
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *htim)
{
  /* TIM6 Periph clock enable */
  __HAL_RCC_TIM6_CLK_ENABLE();
}

/**
  * @brief TIM MSP De-Initialization
  *        This function frees the hardware resources used in this example:
  *          - Disable the Peripheral's clock
  *          - Revert GPIO to their default state
  * @param htim: TIM handle pointer
  * @retval None
  */
void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef *htim)
{

  /*##-1- Reset peripherals ##################################################*/
  __HAL_RCC_TIM6_FORCE_RESET();
  __HAL_RCC_TIM6_RELEASE_RESET();
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

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