/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * File Name          : stm32l4xx_hal_msp.c
  * Description        : This file provides code for the MSP Initialization 
  *                      and de-Initialization codes.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 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
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */
extern DMA_HandleTypeDef hdma_adc1;

extern DMA_HandleTypeDef hdma_spi2_tx;

extern DMA_HandleTypeDef hdma_spi2_rx;

extern DMA_HandleTypeDef hdma_usart3_tx;

extern DMA_HandleTypeDef hdma_usart3_rx;

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */
 
/* USER CODE END Define */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */

/* USER CODE END Macro */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */

/* USER CODE END ExternalFunctions */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
                                                                                /**
  * Initializes the Global MSP.
  */
void HAL_MspInit(void)
{
  /* USER CODE BEGIN MspInit 0 */

  /* USER CODE END MspInit 0 */

  __HAL_RCC_SYSCFG_CLK_ENABLE();
  __HAL_RCC_PWR_CLK_ENABLE();

  /* System interrupt init*/

  /* USER CODE BEGIN MspInit 1 */

  /* USER CODE END MspInit 1 */
}

/**
* @brief ADC MSP Initialization
* This function configures the hardware resources used in this example
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(hadc->Instance==ADC1)
  {
  /* USER CODE BEGIN ADC1_MspInit 0 */

  /* USER CODE END ADC1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_ADC_CLK_ENABLE();

    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**ADC1 GPIO Configuration
    PC0     ------> ADC1_IN1
    PC1     ------> ADC1_IN2
    PC2     ------> ADC1_IN3
    PC3     ------> ADC1_IN4
    PA0     ------> ADC1_IN5
    PA1     ------> ADC1_IN6
    PC4     ------> ADC1_IN13
    PC5     ------> ADC1_IN14
    */
    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4|GPIO_PIN_5;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG_ADC_CONTROL;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* ADC1 DMA Init */
    /* ADC1 Init */
    hdma_adc1.Instance = DMA1_Channel1;
    hdma_adc1.Init.Request = DMA_REQUEST_0;
    hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
    hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
    hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
    hdma_adc1.Init.Mode = DMA_CIRCULAR;
    hdma_adc1.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_adc1) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(hadc,DMA_Handle,hdma_adc1);

  /* USER CODE BEGIN ADC1_MspInit 1 */

  /* USER CODE END ADC1_MspInit 1 */
  }

}

/**
* @brief ADC MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
{
  if(hadc->Instance==ADC1)
  {
  /* USER CODE BEGIN ADC1_MspDeInit 0 */

  /* USER CODE END ADC1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_ADC_CLK_DISABLE();

    /**ADC1 GPIO Configuration
    PC0     ------> ADC1_IN1
    PC1     ------> ADC1_IN2
    PC2     ------> ADC1_IN3
    PC3     ------> ADC1_IN4
    PA0     ------> ADC1_IN5
    PA1     ------> ADC1_IN6
    PC4     ------> ADC1_IN13
    PC5     ------> ADC1_IN14
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4|GPIO_PIN_5);

    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0|GPIO_PIN_1);

    /* ADC1 DMA DeInit */
    HAL_DMA_DeInit(hadc->DMA_Handle);
  /* USER CODE BEGIN ADC1_MspDeInit 1 */

  /* USER CODE END ADC1_MspDeInit 1 */
  }

}

/**
* @brief DAC MSP Initialization
* This function configures the hardware resources used in this example
* @param hdac: DAC handle pointer
* @retval None
*/
void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(hdac->Instance==DAC1)
  {
  /* USER CODE BEGIN DAC1_MspInit 0 */

  /* USER CODE END DAC1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_DAC1_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**DAC1 GPIO Configuration
    PA4     ------> DAC1_OUT1
    PA5     ------> DAC1_OUT2
    */
    GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /* USER CODE BEGIN DAC1_MspInit 1 */

  /* USER CODE END DAC1_MspInit 1 */
  }

}

/**
* @brief DAC MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hdac: DAC handle pointer
* @retval None
*/
void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac)
{
  if(hdac->Instance==DAC1)
  {
  /* USER CODE BEGIN DAC1_MspDeInit 0 */

  /* USER CODE END DAC1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_DAC1_CLK_DISABLE();

    /**DAC1 GPIO Configuration
    PA4     ------> DAC1_OUT1
    PA5     ------> DAC1_OUT2
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4|GPIO_PIN_5);

  /* USER CODE BEGIN DAC1_MspDeInit 1 */

  /* USER CODE END DAC1_MspDeInit 1 */
  }

}

/**
* @brief I2C MSP Initialization
* This function configures the hardware resources used in this example
* @param hi2c: I2C handle pointer
* @retval None
*/
void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(hi2c->Instance==I2C2)
  {
  /* USER CODE BEGIN I2C2_MspInit 0 */

  /* USER CODE END I2C2_MspInit 0 */

    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**I2C2 GPIO Configuration
    PB10     ------> I2C2_SCL
    PB11     ------> I2C2_SDA
    */
    GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* Peripheral clock enable */
    __HAL_RCC_I2C2_CLK_ENABLE();
    /* I2C2 interrupt Init */
    HAL_NVIC_SetPriority(I2C2_EV_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(I2C2_EV_IRQn);
  /* USER CODE BEGIN I2C2_MspInit 1 */

  /* USER CODE END I2C2_MspInit 1 */
  }

}

/**
* @brief I2C MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hi2c: I2C handle pointer
* @retval None
*/
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
{
  if(hi2c->Instance==I2C2)
  {
  /* USER CODE BEGIN I2C2_MspDeInit 0 */

  /* USER CODE END I2C2_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_I2C2_CLK_DISABLE();

    /**I2C2 GPIO Configuration
    PB10     ------> I2C2_SCL
    PB11     ------> I2C2_SDA
    */
    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10);

    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_11);

    /* I2C2 interrupt DeInit */
    HAL_NVIC_DisableIRQ(I2C2_EV_IRQn);
  /* USER CODE BEGIN I2C2_MspDeInit 1 */

  /* USER CODE END I2C2_MspDeInit 1 */
  }

}

/**
* @brief SPI MSP Initialization
* This function configures the hardware resources used in this example
* @param hspi: SPI handle pointer
* @retval None
*/
void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(hspi->Instance==SPI2)
  {
  /* USER CODE BEGIN SPI2_MspInit 0 */

  /* USER CODE END SPI2_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_SPI2_CLK_ENABLE();

    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**SPI2 GPIO Configuration
    PD1     ------> SPI2_SCK
    PD3     ------> SPI2_MISO
    PD4     ------> SPI2_MOSI
    */
    GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_4;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    /* SPI2 DMA Init */
    /* SPI2_TX Init */
    hdma_spi2_tx.Instance = DMA1_Channel5;
    hdma_spi2_tx.Init.Request = DMA_REQUEST_1;
    hdma_spi2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_spi2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_spi2_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_spi2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_spi2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_spi2_tx.Init.Mode = DMA_NORMAL;
    hdma_spi2_tx.Init.Priority = DMA_PRIORITY_HIGH;
    if (HAL_DMA_Init(&hdma_spi2_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(hspi,hdmatx,hdma_spi2_tx);

    /* SPI2_RX Init */
    hdma_spi2_rx.Instance = DMA1_Channel4;
    hdma_spi2_rx.Init.Request = DMA_REQUEST_1;
    hdma_spi2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_spi2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_spi2_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_spi2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_spi2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_spi2_rx.Init.Mode = DMA_NORMAL;
    hdma_spi2_rx.Init.Priority = DMA_PRIORITY_HIGH;
    if (HAL_DMA_Init(&hdma_spi2_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(hspi,hdmarx,hdma_spi2_rx);

  /* USER CODE BEGIN SPI2_MspInit 1 */

  /* USER CODE END SPI2_MspInit 1 */
  }

}

/**
* @brief SPI MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hspi: SPI handle pointer
* @retval None
*/
void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
{
  if(hspi->Instance==SPI2)
  {
  /* USER CODE BEGIN SPI2_MspDeInit 0 */

  /* USER CODE END SPI2_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_SPI2_CLK_DISABLE();

    /**SPI2 GPIO Configuration
    PD1     ------> SPI2_SCK
    PD3     ------> SPI2_MISO
    PD4     ------> SPI2_MOSI
    */
    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_4);

    /* SPI2 DMA DeInit */
    HAL_DMA_DeInit(hspi->hdmatx);
    HAL_DMA_DeInit(hspi->hdmarx);
  /* USER CODE BEGIN SPI2_MspDeInit 1 */

  /* USER CODE END SPI2_MspDeInit 1 */
  }

}

/**
* @brief TIM_Base MSP Initialization
* This function configures the hardware resources used in this example
* @param htim_base: TIM_Base handle pointer
* @retval None
*/
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
{
  if(htim_base->Instance==TIM1)
  {
  /* USER CODE BEGIN TIM1_MspInit 0 */

  /* USER CODE END TIM1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM1_CLK_ENABLE();
  /* USER CODE BEGIN TIM1_MspInit 1 */

  /* USER CODE END TIM1_MspInit 1 */
  }
  else if(htim_base->Instance==TIM2)
  {
  /* USER CODE BEGIN TIM2_MspInit 0 */

  /* USER CODE END TIM2_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM2_CLK_ENABLE();
  /* USER CODE BEGIN TIM2_MspInit 1 */

  /* USER CODE END TIM2_MspInit 1 */
  }
  else if(htim_base->Instance==TIM3)
  {
  /* USER CODE BEGIN TIM3_MspInit 0 */

  /* USER CODE END TIM3_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM3_CLK_ENABLE();
  /* USER CODE BEGIN TIM3_MspInit 1 */

  /* USER CODE END TIM3_MspInit 1 */
  }
  else if(htim_base->Instance==TIM4)
  {
  /* USER CODE BEGIN TIM4_MspInit 0 */

  /* USER CODE END TIM4_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM4_CLK_ENABLE();
  /* USER CODE BEGIN TIM4_MspInit 1 */

  /* USER CODE END TIM4_MspInit 1 */
  }
  else if(htim_base->Instance==TIM5)
  {
  /* USER CODE BEGIN TIM5_MspInit 0 */

  /* USER CODE END TIM5_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM5_CLK_ENABLE();
  /* USER CODE BEGIN TIM5_MspInit 1 */

  /* USER CODE END TIM5_MspInit 1 */
  }
  else if(htim_base->Instance==TIM6)
  {
  /* USER CODE BEGIN TIM6_MspInit 0 */

  /* USER CODE END TIM6_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM6_CLK_ENABLE();
  /* USER CODE BEGIN TIM6_MspInit 1 */

  /* USER CODE END TIM6_MspInit 1 */
  }

}

void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(htim->Instance==TIM1)
  {
  /* USER CODE BEGIN TIM1_MspPostInit 0 */

  /* USER CODE END TIM1_MspPostInit 0 */
    __HAL_RCC_GPIOE_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**TIM1 GPIO Configuration
    PE9     ------> TIM1_CH1
    PE14     ------> TIM1_CH4
    PA9     ------> TIM1_CH2
    PA10     ------> TIM1_CH3
    */
    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_14;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
    HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF1_TIM1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /* USER CODE BEGIN TIM1_MspPostInit 1 */

  /* USER CODE END TIM1_MspPostInit 1 */
  }
  else if(htim->Instance==TIM2)
  {
  /* USER CODE BEGIN TIM2_MspPostInit 0 */

  /* USER CODE END TIM2_MspPostInit 0 */

    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**TIM2 GPIO Configuration
    PA2     ------> TIM2_CH3
    PA3     ------> TIM2_CH4
    PB3 (JTDO-TRACESWO)     ------> TIM2_CH2
    */
    GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_3;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /* USER CODE BEGIN TIM2_MspPostInit 1 */

  /* USER CODE END TIM2_MspPostInit 1 */
  }
  else if(htim->Instance==TIM3)
  {
  /* USER CODE BEGIN TIM3_MspPostInit 0 */

  /* USER CODE END TIM3_MspPostInit 0 */

    __HAL_RCC_GPIOE_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    /**TIM3 GPIO Configuration
    PE6     ------> TIM3_CH4
    PA6     ------> TIM3_CH1
    PA7     ------> TIM3_CH2
    PB0     ------> TIM3_CH3
    */
    GPIO_InitStruct.Pin = CVOUT_TRIG_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
    HAL_GPIO_Init(CVOUT_TRIG_GPIO_Port, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = CVOUT_CLK_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
    HAL_GPIO_Init(CVOUT_CLK_GPIO_Port, &GPIO_InitStruct);

  /* USER CODE BEGIN TIM3_MspPostInit 1 */

  /* USER CODE END TIM3_MspPostInit 1 */
  }
  else if(htim->Instance==TIM4)
  {
  /* USER CODE BEGIN TIM4_MspPostInit 0 */

  /* USER CODE END TIM4_MspPostInit 0 */

    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**TIM4 GPIO Configuration
    PD13     ------> TIM4_CH2
    PD14     ------> TIM4_CH3
    */
    GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

  /* USER CODE BEGIN TIM4_MspPostInit 1 */

  /* USER CODE END TIM4_MspPostInit 1 */
  }

}
/**
* @brief TIM_Base MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param htim_base: TIM_Base handle pointer
* @retval None
*/
void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
{
  if(htim_base->Instance==TIM1)
  {
  /* USER CODE BEGIN TIM1_MspDeInit 0 */

  /* USER CODE END TIM1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TIM1_CLK_DISABLE();
  /* USER CODE BEGIN TIM1_MspDeInit 1 */

  /* USER CODE END TIM1_MspDeInit 1 */
  }
  else if(htim_base->Instance==TIM2)
  {
  /* USER CODE BEGIN TIM2_MspDeInit 0 */

  /* USER CODE END TIM2_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TIM2_CLK_DISABLE();
  /* USER CODE BEGIN TIM2_MspDeInit 1 */

  /* USER CODE END TIM2_MspDeInit 1 */
  }
  else if(htim_base->Instance==TIM3)
  {
  /* USER CODE BEGIN TIM3_MspDeInit 0 */

  /* USER CODE END TIM3_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TIM3_CLK_DISABLE();
  /* USER CODE BEGIN TIM3_MspDeInit 1 */

  /* USER CODE END TIM3_MspDeInit 1 */
  }
  else if(htim_base->Instance==TIM4)
  {
  /* USER CODE BEGIN TIM4_MspDeInit 0 */

  /* USER CODE END TIM4_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TIM4_CLK_DISABLE();
  /* USER CODE BEGIN TIM4_MspDeInit 1 */

  /* USER CODE END TIM4_MspDeInit 1 */
  }
  else if(htim_base->Instance==TIM5)
  {
  /* USER CODE BEGIN TIM5_MspDeInit 0 */

  /* USER CODE END TIM5_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TIM5_CLK_DISABLE();
  /* USER CODE BEGIN TIM5_MspDeInit 1 */

  /* USER CODE END TIM5_MspDeInit 1 */
  }
  else if(htim_base->Instance==TIM6)
  {
  /* USER CODE BEGIN TIM6_MspDeInit 0 */

  /* USER CODE END TIM6_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TIM6_CLK_DISABLE();
  /* USER CODE BEGIN TIM6_MspDeInit 1 */

  /* USER CODE END TIM6_MspDeInit 1 */
  }

}

/**
* @brief TSC MSP Initialization
* This function configures the hardware resources used in this example
* @param htsc: TSC handle pointer
* @retval None
*/
void HAL_TSC_MspInit(TSC_HandleTypeDef* htsc)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(htsc->Instance==TSC)
  {
  /* USER CODE BEGIN TSC_MspInit 0 */

  /* USER CODE END TSC_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TSC_CLK_ENABLE();

    __HAL_RCC_GPIOE_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    __HAL_RCC_GPIOC_CLK_ENABLE();
    /**TSC GPIO Configuration
    PE2     ------> TSC_G7_IO1
    PE3     ------> TSC_G7_IO2
    PE4     ------> TSC_G7_IO3
    PE10     ------> TSC_G5_IO1
    PE11     ------> TSC_G5_IO2
    PE12     ------> TSC_G5_IO3
    PE13     ------> TSC_G5_IO4
    PB12     ------> TSC_G1_IO1
    PB13     ------> TSC_G1_IO2
    PB14     ------> TSC_G1_IO3
    PB15     ------> TSC_G1_IO4
    PD10     ------> TSC_G6_IO1
    PD11     ------> TSC_G6_IO2
    PD12     ------> TSC_G6_IO3
    PC6     ------> TSC_G4_IO1
    PC7     ------> TSC_G4_IO2
    PC8     ------> TSC_G4_IO3
    PC9     ------> TSC_G4_IO4
    PC10     ------> TSC_G3_IO2
    PC11     ------> TSC_G3_IO3
    PC12     ------> TSC_G3_IO4
    PB4 (NJTRST)     ------> TSC_G2_IO1
    PB5     ------> TSC_G2_IO2
    PB6     ------> TSC_G2_IO3
    PB7     ------> TSC_G2_IO4
    */
    GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_11|GPIO_PIN_12
                          |GPIO_PIN_13;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_4;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_5
                          |GPIO_PIN_6|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_11
                          |GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_TSC;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /* USER CODE BEGIN TSC_MspInit 1 */

  /* USER CODE END TSC_MspInit 1 */
  }

}

/**
* @brief TSC MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param htsc: TSC handle pointer
* @retval None
*/
void HAL_TSC_MspDeInit(TSC_HandleTypeDef* htsc)
{
  if(htsc->Instance==TSC)
  {
  /* USER CODE BEGIN TSC_MspDeInit 0 */

  /* USER CODE END TSC_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_TSC_CLK_DISABLE();

    /**TSC GPIO Configuration
    PE2     ------> TSC_G7_IO1
    PE3     ------> TSC_G7_IO2
    PE4     ------> TSC_G7_IO3
    PE10     ------> TSC_G5_IO1
    PE11     ------> TSC_G5_IO2
    PE12     ------> TSC_G5_IO3
    PE13     ------> TSC_G5_IO4
    PB12     ------> TSC_G1_IO1
    PB13     ------> TSC_G1_IO2
    PB14     ------> TSC_G1_IO3
    PB15     ------> TSC_G1_IO4
    PD10     ------> TSC_G6_IO1
    PD11     ------> TSC_G6_IO2
    PD12     ------> TSC_G6_IO3
    PC6     ------> TSC_G4_IO1
    PC7     ------> TSC_G4_IO2
    PC8     ------> TSC_G4_IO3
    PC9     ------> TSC_G4_IO4
    PC10     ------> TSC_G3_IO2
    PC11     ------> TSC_G3_IO3
    PC12     ------> TSC_G3_IO4
    PB4 (NJTRST)     ------> TSC_G2_IO1
    PB5     ------> TSC_G2_IO2
    PB6     ------> TSC_G2_IO3
    PB7     ------> TSC_G2_IO4
    */
    HAL_GPIO_DeInit(GPIOE, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_10
                          |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13);

    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15
                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);

    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);

    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9
                          |GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);

  /* USER CODE BEGIN TSC_MspDeInit 1 */

  /* USER CODE END TSC_MspDeInit 1 */
  }

}

/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(huart->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspInit 0 */

  /* USER CODE END USART3_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_USART3_CLK_ENABLE();

    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**USART3 GPIO Configuration
    PD8     ------> USART3_TX
    PD9     ------> USART3_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_8;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    /* USART3 DMA Init */
    /* USART3_TX Init */
    hdma_usart3_tx.Instance = DMA1_Channel2;
    hdma_usart3_tx.Init.Request = DMA_REQUEST_2;
    hdma_usart3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_usart3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart3_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart3_tx.Init.Mode = DMA_NORMAL;
    hdma_usart3_tx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(huart,hdmatx,hdma_usart3_tx);

    /* USART3_RX Init */
    hdma_usart3_rx.Instance = DMA1_Channel3;
    hdma_usart3_rx.Init.Request = DMA_REQUEST_2;
    hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
    hdma_usart3_rx.Init.Mode = DMA_CIRCULAR;
    hdma_usart3_rx.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(huart,hdmarx,hdma_usart3_rx);

    /* USART3 interrupt Init */
    HAL_NVIC_SetPriority(USART3_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USART3_IRQn);
  /* USER CODE BEGIN USART3_MspInit 1 */

  /* USER CODE END USART3_MspInit 1 */
  }

}

/**
* @brief UART MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
{
  if(huart->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspDeInit 0 */

  /* USER CODE END USART3_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART3_CLK_DISABLE();

    /**USART3 GPIO Configuration
    PD8     ------> USART3_TX
    PD9     ------> USART3_RX
    */
    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9);

    /* USART3 DMA DeInit */
    HAL_DMA_DeInit(huart->hdmatx);
    HAL_DMA_DeInit(huart->hdmarx);

    /* USART3 interrupt DeInit */
    HAL_NVIC_DisableIRQ(USART3_IRQn);
  /* USER CODE BEGIN USART3_MspDeInit 1 */

  /* USER CODE END USART3_MspDeInit 1 */
  }

}

/**
* @brief PCD MSP Initialization
* This function configures the hardware resources used in this example
* @param hpcd: PCD handle pointer
* @retval None
*/
void HAL_PCD_MspInit(PCD_HandleTypeDef* hpcd)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(hpcd->Instance==USB_OTG_FS)
  {
  /* USER CODE BEGIN USB_OTG_FS_MspInit 0 */

  /* USER CODE END USB_OTG_FS_MspInit 0 */

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USB_OTG_FS GPIO Configuration
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP
    */
    GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* Peripheral clock enable */
    __HAL_RCC_USB_OTG_FS_CLK_ENABLE();

    /* Enable VDDUSB */
    if(__HAL_RCC_PWR_IS_CLK_DISABLED())
    {
      __HAL_RCC_PWR_CLK_ENABLE();
      HAL_PWREx_EnableVddUSB();
      __HAL_RCC_PWR_CLK_DISABLE();
    }
    else
    {
      HAL_PWREx_EnableVddUSB();
    }
  /* USER CODE BEGIN USB_OTG_FS_MspInit 1 */

  /* USER CODE END USB_OTG_FS_MspInit 1 */
  }

}

/**
* @brief PCD MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hpcd: PCD handle pointer
* @retval None
*/
void HAL_PCD_MspDeInit(PCD_HandleTypeDef* hpcd)
{
  if(hpcd->Instance==USB_OTG_FS)
  {
  /* USER CODE BEGIN USB_OTG_FS_MspDeInit 0 */

  /* USER CODE END USB_OTG_FS_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USB_OTG_FS_CLK_DISABLE();

    /**USB_OTG_FS GPIO Configuration
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12);

    /* Disable VDDUSB */
    if(__HAL_RCC_PWR_IS_CLK_DISABLED())
    {
      __HAL_RCC_PWR_CLK_ENABLE();
      HAL_PWREx_DisableVddUSB();
      __HAL_RCC_PWR_CLK_DISABLE();
    }
    else
    {
      HAL_PWREx_DisableVddUSB();
    }
  /* USER CODE BEGIN USB_OTG_FS_MspDeInit 1 */

  /* USER CODE END USB_OTG_FS_MspDeInit 1 */
  }

}

extern DMA_HandleTypeDef hdma_sai1_a;

extern DMA_HandleTypeDef hdma_sai1_b;

static uint32_t SAI1_client =0;

void HAL_SAI_MspInit(SAI_HandleTypeDef* hsai)
{

  GPIO_InitTypeDef GPIO_InitStruct;
/* SAI1 */
    if(hsai->Instance==SAI1_Block_A)
    {
    /* Peripheral clock enable */
    if (SAI1_client == 0)
    {
       __HAL_RCC_SAI1_CLK_ENABLE();
    }
    SAI1_client ++;

    /**SAI1_A_Block_A GPIO Configuration
    PE5     ------> SAI1_SCK_A
    PD6     ------> SAI1_SD_A
    PB8     ------> SAI1_MCLK_A
    PB9     ------> SAI1_FS_A
    */
    GPIO_InitStruct.Pin = GPIO_PIN_5;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF13_SAI1;
    HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_6;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF13_SAI1;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF13_SAI1;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* Peripheral DMA init*/

    hdma_sai1_a.Instance = DMA2_Channel1;
    hdma_sai1_a.Init.Request = DMA_REQUEST_1;
    hdma_sai1_a.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_sai1_a.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_sai1_a.Init.MemInc = DMA_MINC_ENABLE;
    hdma_sai1_a.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
    hdma_sai1_a.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
    hdma_sai1_a.Init.Mode = DMA_CIRCULAR;
    hdma_sai1_a.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_sai1_a) != HAL_OK)
    {
      Error_Handler();
    }

    /* Several peripheral DMA handle pointers point to the same DMA handle.
     Be aware that there is only one channel to perform all the requested DMAs. */
    __HAL_LINKDMA(hsai,hdmarx,hdma_sai1_a);

    __HAL_LINKDMA(hsai,hdmatx,hdma_sai1_a);

    }
    if(hsai->Instance==SAI1_Block_B)
    {
      /* Peripheral clock enable */
      if (SAI1_client == 0)
      {
       __HAL_RCC_SAI1_CLK_ENABLE();
      }
    SAI1_client ++;

    /**SAI1_B_Block_B GPIO Configuration
    PE7     ------> SAI1_SD_B
    */
    GPIO_InitStruct.Pin = GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF13_SAI1;
    HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

    /* Peripheral DMA init*/

    hdma_sai1_b.Instance = DMA2_Channel2;
    hdma_sai1_b.Init.Request = DMA_REQUEST_1;
    hdma_sai1_b.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_sai1_b.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_sai1_b.Init.MemInc = DMA_MINC_ENABLE;
    hdma_sai1_b.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
    hdma_sai1_b.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
    hdma_sai1_b.Init.Mode = DMA_CIRCULAR;
    hdma_sai1_b.Init.Priority = DMA_PRIORITY_LOW;
    if (HAL_DMA_Init(&hdma_sai1_b) != HAL_OK)
    {
      Error_Handler();
    }

    /* Several peripheral DMA handle pointers point to the same DMA handle.
     Be aware that there is only one channel to perform all the requested DMAs. */
    __HAL_LINKDMA(hsai,hdmarx,hdma_sai1_b);
    __HAL_LINKDMA(hsai,hdmatx,hdma_sai1_b);
    }
}

void HAL_SAI_MspDeInit(SAI_HandleTypeDef* hsai)
{
/* SAI1 */
    if(hsai->Instance==SAI1_Block_A)
    {
    SAI1_client --;
    if (SAI1_client == 0)
      {
      /* Peripheral clock disable */
       __HAL_RCC_SAI1_CLK_DISABLE();
      }

    /**SAI1_A_Block_A GPIO Configuration
    PE5     ------> SAI1_SCK_A
    PD6     ------> SAI1_SD_A
    PB8     ------> SAI1_MCLK_A
    PB9     ------> SAI1_FS_A
    */
    HAL_GPIO_DeInit(GPIOE, GPIO_PIN_5);

    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_6);

    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);

    HAL_DMA_DeInit(hsai->hdmarx);
    HAL_DMA_DeInit(hsai->hdmatx);
    }
    if(hsai->Instance==SAI1_Block_B)
    {
    SAI1_client --;
      if (SAI1_client == 0)
      {
      /* Peripheral clock disable */
      __HAL_RCC_SAI1_CLK_DISABLE();
      }

    /**SAI1_B_Block_B GPIO Configuration
    PE7     ------> SAI1_SD_B
    */
    HAL_GPIO_DeInit(GPIOE, GPIO_PIN_7);

    HAL_DMA_DeInit(hsai->hdmarx);
    HAL_DMA_DeInit(hsai->hdmatx);
    }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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