/**
  ******************************************************************************
  * @file    ADC/ADC_DMA_Transfer/Src/stm32l0xx_hal_msp.c
  * @author  MCD Application Team
  * @version V1.1.0
  * @date    18-June-2014
  * @brief   HAL MSP module.
  *         
  @verbatim
 ===============================================================================
                     ##### How to use this driver #####
 ===============================================================================
    [..]
    This file is generated automatically by STM32CubeMX and eventually modified 
    by the user

  @endverbatim
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_hal.h"

/** @addtogroup STM32L0xx_HAL_Driver
  * @{
  */

/** @defgroup HAL_MSP
  * @brief HAL MSP module.
  * @{
  */

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

/** @defgroup HAL_MSP_Private_Functions
  * @{
  */

/**
* @brief  ADC MSP Init
* @param  hadc : ADC handle
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
  GPIO_InitTypeDef                 GPIO_InitStruct;
  static DMA_HandleTypeDef         DmaHandle;
  
  /*##-1- Enable peripherals and GPIO Clocks #################################*/
  /* Enable GPIO clock ****************************************/
  __GPIOA_CLK_ENABLE();
  /* ADC1 Periph clock enable */
  __ADC1_CLK_ENABLE();
  /* Enable DMA1 clock */
  __DMA1_CLK_ENABLE();

  
  /*##- 2- Configure peripheral GPIO #########################################*/
  /* ADC3 Channel8 GPIO pin configuration */
  GPIO_InitStruct.Pin = GPIO_PIN_0;
  GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
  /*##- 3- Configure DMA #####################################################*/ 

  /*********************** Configure DMA parameters ***************************/
  DmaHandle.Instance                 = DMA1_Channel1;
  DmaHandle.Init.Direction           = DMA_PERIPH_TO_MEMORY;
  DmaHandle.Init.PeriphInc           = DMA_PINC_DISABLE;
  DmaHandle.Init.MemInc              = DMA_MINC_ENABLE;
  DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
  DmaHandle.Init.MemDataAlignment    = DMA_MDATAALIGN_WORD;
  DmaHandle.Init.Mode                = DMA_CIRCULAR;
  DmaHandle.Init.Priority            = DMA_PRIORITY_MEDIUM;
  DmaHandle.Init.Request             = DMA_REQUEST_0;
  
  /* Deinitialize  & Initialize the DMA for new transfer */
  HAL_DMA_DeInit(&DmaHandle);  
  HAL_DMA_Init(&DmaHandle);
  
  /* Associate the DMA handle */
  __HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
  
  /* NVIC configuration for DMA Input data interrupt */
  HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 1, 0);
  HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
}

/**
  * @brief  Initializes the Global MSP.
  * @param  None
  * @retval None
  */
void HAL_MspInit(void)
{
  /* NOTE : This function is generated automatically by STM32CubeMX and eventually  
            modified by the user
   */ 
}

/**
  * @brief  DeInitializes the Global MSP.
  * @param  None  
  * @retval None
  */
void HAL_MspDeInit(void)
{
  /* NOTE : This function is generated automatically by STM32CubeMX and eventually  
            modified by the user
   */
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

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