STM32F767 音乐播放器 SAI DMA双缓冲 可播放WAV、MP3、FLAC文件

原创 已于 2022-12-01 21:57:54 修改 · 1k 阅读 · 7 ·
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#stm32

于 2022-04-26 09:28:18 首次发布

以下为在单缓冲程序基础上修改

/**
  * Enable DMA controller clock
  */
static void MX_DMA_Init(void)
{
   
   

  /* DMA controller clock enable */
  __HAL_RCC_DMA2_CLK_ENABLE();

  /* DMA interrupt init */
  /* DMA2_Stream1_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 1, 0);
  HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
  /* DMA2_Stream3_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA2_Stream3_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(DMA2_Stream3_IRQn);
  /* DMA2_Stream6_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA2_Stream6_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(DMA2_Stream6_IRQn);

}

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f7xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @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
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f7xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

#include "fifo.h"
#include "bsp_wavplay.h" 
#include "bsp_mp3play.h"
#include "bsp_flacplay.h"
#include "bsp_sai.h"

/* USER CODE END Includes */

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

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

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

/* USER CODE END PM */

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

/* USER CODE END PV */

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

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/
extern DMA_HandleTypeDef hdma_sai1_a;
extern DMA_HandleTypeDef hdma_sdmmc1_rx;
extern DMA_HandleTypeDef hdma_sdmmc1_tx;
extern SD_HandleTypeDef hsd1;
/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex-M7 Processor Interruption and Exception Handlers          */
/******************************************************************************/
/**
  * @brief This function handles Non maskable interrupt.
  */
void NMI_Handler(void)
{
   
   
  /* USER CODE BEGIN NonMaskableInt_IRQn 0 */

  /* USER CODE END NonMaskableInt_IRQn 0 */
  HAL_RCC_NMI_IRQHandler();
  /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
  while (1)
  {
   
   
  }
  /* USER CODE END NonMaskableInt_IRQn 1 */
}

/**
  * @brief This function handles Hard fault interrupt.
  */
void HardFault_Handler(void)
{
   
   
  /* USER CODE BEGIN HardFault_IRQn 0 */

  /* USER CODE END HardFault_IRQn 0 */
  while (1)
  {
   
   
    /* USER CODE BEGIN W1_HardFault_IRQn 0 */
    /* USER CODE END W1_HardFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Memory management fault.
  */
void MemManage_Handler(void)
{
   
   
  /* USER CODE BEGIN MemoryManagement_IRQn 0 */

  /* USER CODE END MemoryManagement_IRQn 0 */
  while (1)
  {
   
   
    /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
    /* USER CODE END W1_MemoryManagement_IRQn 0 */
  }
}

/**
  * @brief This function handles Pre-fetch fault, memory access fault.
  */
void BusFault_Handler(void)
{
   
   
  /* USER CODE BEGIN BusFault_IRQn 0 */

  /* USER CODE END BusFault_IRQn 0 */
  while (1)
  {
   
   
    /* USER CODE BEGIN W1_BusFault_IRQn 0 */
    /* USER CODE END W1_BusFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Undefined instruction or illegal state.
  */
void UsageFault_Handler(void)
{
   
   
  /* USER CODE BEGIN UsageFault_IRQn 0 */

  /* USER CODE END UsageFault_IRQn 0 */
  while (1)
  {
   
   
    /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
    /* USER CODE END W1_UsageFault_IRQn 0 */
  }
}

/**
  * @brief This function handles System service call via SWI instruction.
  */
void SVC_Handler(void)
{
   
   
  /* USER CODE BEGIN SVCall_IRQn 0 */

  /* USER CODE END SVCall_IRQn 0 */
  /* USER CODE BEGIN SVCall_IRQn 1 */

  /* USER CODE END SVCall_IRQn 1 */
}

/**
  * @brief This function handles Debug monitor.
  */
void DebugMon_Handler(void)
{
   
   
  /* USER CODE BEGIN DebugMonitor_IRQn 0 */

  /* USER CODE END DebugMonitor_IRQn 0 */
  /* USER CODE BEGIN DebugMonitor_IRQn 1 */

  /* USER CODE END DebugMonitor_IRQn 1 */
}

/**
  * @brief This function handles Pendable request for system service.
  */
void PendSV_Handler(void)
{
   
   
  /* USER CODE BEGIN PendSV_IRQn 0 */

  /* USER CODE END PendSV_IRQn 0 */
  /* USER CODE BEGIN PendSV_IRQn 1 */

  /* USER CODE END PendSV_IRQn 1 */
}

/**
  * @brief This function handles System tick timer.
  */
void SysTick_Handler(void)
{
   
   
  /* USER CODE BEGIN SysTick_IRQn 0 */

  /* USER CODE END SysTick_IRQn 0 */
  HAL_IncTick();
  /* USER CODE BEGIN SysTick_IRQn 1 */

  /* USER CODE END SysTick_IRQn 1 */
}

/******************************************************************************/
/* STM32F7xx Peripheral Interrupt Handlers                                    */
/* Add here the Interrupt Handlers for the used peripherals.                  */
/* For the available peripheral interrupt handler names,                      */
/* please refer to the startup file (startup_stm32f7xx.s).                    */
/******************************************************************************/

/**
  * @brief This function handles SDMMC1 global interrupt.
  */
void SDMMC1_IRQHandler(void)
{
   
   
  /* USER CODE BEGIN SDMMC1_IRQn 0 */

  /* USER CODE END SDMMC1_IRQn 0 */
  HAL_SD_IRQHandler(&hsd1);
  /* USER CODE BEGIN SDMMC1_IRQn 1 */

  /* USER CODE END SDMMC1_IRQn 1 */
}

/**
  * @brief This function handles DMA2 stream1 global interrupt.
  */
void DMA2_Stream1_IRQHandler(void)
{
   
   
  /* USER CODE BEGIN DMA2_Stream1_IRQn 0 */

  /* USER CODE END DMA2_Stream1_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_sai1_a);
  /* USER CODE BEGIN DMA2_Stream1_IRQn 1 */

  /* USER CODE END DMA2_Stream1_IRQn 1 */
}

/**
  * @brief This function handles DMA2 stream3 global interrupt.
  */
void DMA2_Stream3_IRQHandler(void)
{
   
   
  /* USER CODE BEGIN DMA2_Stream3_IRQn 0 */

  /* USER CODE END DMA2_Stream3_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_sdmmc1_rx);
  /* USER CODE BEGIN DMA2_Stream3_IRQn 1 */

  /* USER CODE END DMA2_Stream3_IRQn 1 */
}

/**
  * @brief This function handles DMA2 stream6 global interrupt.
  */
void DMA2_Stream6_IRQHandler(void)
{
   
   
  /* USER CODE BEGIN DMA2_Stream6_IRQn 0 */

  /* USER CODE END DMA2_Stream6_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_sdmmc1_tx);
  /* USER CODE BEGIN DMA2_Stream6_IRQn 1 */

  /* USER CODE END DMA2_Stream6_IRQn 1 */
}

/* USER CODE BEGIN 1 */

/**
  * @brief Rx Transfer completed callbacks
  * @param hsd: Pointer SD handle
  * @retval None
  */
void HAL_SD_RxCpltCallback(SD_HandleTypeDef *hsd)
{
   
   
	HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_1);
	rx_done = 1;
}

/**
  * @brief Tx Transfer completed callbacks
  * @param hsd: Pointer to SD handle
  * @retval None
  */
void HAL_SD_TxCpltCallback(SD_HandleTypeDef *hsd)
{
   
   
	HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_1);
	tx_done = 1;
}

/**
  * @brief SD error callbacks
  * @param hsd: Pointer SD handle
  * @retval None
  */
void HAL_SD_ErrorCallback(SD_HandleTypeDef *hsd)
{
   
   
	HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
}


/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/


/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file         stm32f7xx_hal_msp.c
  * @brief        This file provides code for the MSP Initialization
  *               and de-Initialization codes.
  ******************************************************************************
  * @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
  *
  ******************************************************************************
  */
/* USER CODE END Header */

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

/* USER CODE END Includes */
extern DMA_HandleTypeDef hdma_sdmmc1_rx;

extern DMA_HandleTypeDef hdma_sdmmc1_tx;

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

  /* USER CODE END MspInit 0 */

  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_RCC_SYSCFG_CLK_ENABLE();

  /* System interrupt init*/

  /* USER CODE BEGIN MspInit 1 */

  /* USER CODE END MspInit 1 */
}

/**
* @brief SD MSP Initialization
* This function configures the hardware resources used in this example
* @param hsd: SD handle pointer
* @retval None
*/
void HAL_SD_MspInit(SD_HandleTypeDef* hsd)
{
   
   
  GPIO_InitTypeDef GPIO_InitStruct = {
   
   0};
  if(hsd->Instance==SDMMC1)
  {
   
   
  /* USER CODE BEGIN SDMMC1_MspInit 0 */

  /* USER CODE END SDMMC1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_SDMMC1_CLK_ENABLE();

    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**SDMMC1 GPIO Configuration
    PC8     ------> SDMMC1_D0
    PC9     ------> SDMMC1_D1
    PC10     ------> SDMMC1_D2
    PC11     ------> SDMMC1_D3
    PC12     ------> SDMMC1_CK
    PD2     ------> SDMMC1_CMD
    */
    GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|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_AF12_SDMMC1;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_2;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF12_SDMMC1;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    /* SDMMC1 DMA Init */
    /* SDMMC1_RX Init */
    hdma_sdmmc1_rx.Instance = DMA2_Stream3;
    hdma_sdmmc1_rx.Init.Channel = DMA_CHANNEL_4;
    hdma_sdmmc1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_sdmmc1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_sdmmc1_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_sdmmc1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    hdma_sdmmc1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
    hdma_sdmmc1_rx.Init.Mode = DMA_PFCTRL;
    hdma_sdmmc1_rx.Init.Priority = DMA_PRIORITY_LOW;
    hdma_sdmmc1_rx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
    hdma_sdmmc1_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
    hdma_sdmmc1_rx.Init.MemBurst = DMA_MBURST_INC4;
    hdma_sdmmc1_rx.Init.PeriphBurst = DMA_PBURST_INC4;
    if (HAL_DMA_Init(&hdma_sdmmc1_rx) != HAL_OK)
    {
   
   
      Error_Handler();
    }

    __HAL_LINKDMA(hsd,hdmarx,hdma_sdmmc1_rx);

    /* SDMMC1_TX Init */
    hdma_sdmmc1_tx.Instance = DMA2_Stream6;
    hdma_sdmmc1_tx.Init.Channel = DMA_CHANNEL_4;
    hdma_sdmmc1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_sdmmc1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_sdmmc1_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_sdmmc1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    hdma_sdmmc1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
    hdma_sdmmc1_tx.Init.Mode = DMA_PFCTRL;
    hdma_sdmmc1_tx.Init.Priority = DMA_PRIORITY_LOW;
    hdma_sdmmc1_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
    hdma_sdmmc1_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
    hdma_sdmmc1_tx.Init.MemBurst = DMA_MBURST_INC4;
    hdma_sdmmc1_tx.Init.PeriphBurst = DMA_PBURST_INC4;
    if (HAL_DMA_Init(&hdma_sdmmc1_tx) != HAL_OK)
    {
   
   
      Error_Handler();
    }

    __HAL_LINKDMA(hsd,hdmatx,hdma_sdmmc1_tx);

    /* SDMMC1 interrupt Init */
    HAL_NVIC_SetPriority(SDMMC1_IRQn, 3, 0);
    HAL_NVIC_EnableIRQ(SDMMC1_IRQn);
  /* USER CODE BEGIN SDMMC1_MspInit 1 */

  /* USER CODE END SDMMC1_MspInit 1 */
  }

}

/**
* @brief SD MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hsd: SD handle pointer
* @retval None
*/
void HAL_SD_MspDeInit(SD_HandleTypeDef* hsd)
{
   
   
  if(hsd->Instance==SDMMC1)
  {
   
   
  /* USER CODE BEGIN SDMMC1_MspDeInit 0 */

  /* USER CODE END SDMMC1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_SDMMC1_CLK_DISABLE();

    /**SDMMC1 GPIO Configuration
    PC8     ------> SDMMC1_D0
    PC9     ------> SDMMC1_D1
    PC10     ------> SDMMC1_D2
    PC11     ------> SDMMC1_D3
    PC12     ------> SDMMC1_CK
    PD2     ------> SDMMC1_CMD
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
                          |GPIO_PIN_12);

    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);

    /* SDMMC1 DMA DeInit */
    HAL_DMA_DeInit(hsd->hdmarx);
    HAL_DMA_DeInit(hsd->hdmatx);

    /* SDMMC1 interrupt DeInit */
    HAL_NVIC_DisableIRQ(SDMMC1_IRQn);
  /* USER CODE BEGIN SDMMC1_MspDeInit 1 */

  /* USER CODE END SDMMC1_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==USART1)
  {
   
   
  /* USER CODE BEGIN USART1_MspInit 0 */

  /* USER CODE END USART1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_USART1_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    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_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /* USER CODE BEGIN USART1_MspInit 1 */

  /* USER CODE END USART1_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==USART1)
  {
   
   
  /* USER CODE BEGIN USART1_MspDeInit 0 */

  /* USER CODE END USART1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART1_CLK_DISABLE();

    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);

  /* USER CODE BEGIN USART1_MspDeInit 1 */

  /* USER CODE END USART1_MspDeInit 1 */
  }

}

static uint32_t FMC_Initialized = 0;

static void HAL_FMC_MspInit(void){
   
   
  /* USER CODE BEGIN FMC_MspInit 0 */

  /* USER CODE END FMC_MspInit 0 */
  GPIO_InitTypeDef GPIO_InitStruct ={
   
   0};
  if (FMC_Initialized) {
   
   
    return;
  }
  FMC_Initialized = 1;

  /* Peripheral clock enable */
  __HAL_RCC_FMC_CLK_ENABLE();

  /** FMC GPIO Configuration
  PF0   ------> FMC_A0
  PF1   ------> FMC_A1
  PF2   ------> FMC_A2
  PF3   ------> FMC_A3
  PF4   ------> FMC_A4
  PF5   ------> FMC_A5
  PC0   ------> FMC_SDNWE
  PC2   ------> FMC_SDNE0
  PC3   ------> FMC_SDCKE0
  PF11   ------> FMC_SDNRAS
  PF12   ------> FMC_A6
  PF13   ------> FMC_A7
  PF14   ------> FMC_A8
  PF15   ------> FMC_A9
  PG0   ------> FMC_A10
  PG1   ------> FMC_A11
  PE7   ------> FMC_D4
  PE8   ------> FMC_D5
  PE9   ------> FMC_D6
  PE10   ------> FMC_D7
  PE11   ------> FMC_D8
  PE12   ------> FMC_D9
  PE13   ------> FMC_D10
  PE14   ------> FMC_D11
  PE15   ------> FMC_D12
  PD8   ------> FMC_D13
  PD9   ------> FMC_D14
  PD10   ------> FMC_D15
  PD14   ------> FMC_D0
  PD15   ------> FMC_D1
  PG2   ------> FMC_A12
  PG4   ------> FMC_BA0
  PG5   ------> FMC_BA1
  PG8   ------> FMC_SDCLK
  PD0   ------> FMC_D2
  PD1   ------> FMC_D3
  PG15   ------> FMC_SDNCAS
  PE0   ------> FMC_NBL0
  PE1   ------> FMC_NBL1
  */
  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_11|GPIO_PIN_12
                          |GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_4
                          |GPIO_PIN_5|GPIO_PIN_8|GPIO_PIN_15;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
                          |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
                          |GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14
                          |GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

  /* USER CODE BEGIN FMC_MspInit 1 */

  /* USER CODE END FMC_MspInit 1 */
}

void HAL_SDRAM_MspInit(SDRAM_HandleTypeDef* hsdram){
   
   
  /* USER CODE BEGIN SDRAM_MspInit 0 */

  /* USER CODE END SDRAM_MspInit 0 */
  HAL_FMC_MspInit();
  /* USER CODE BEGIN SDRAM_MspInit 1 */

  /* USER CODE END SDRAM_MspInit 1 */
}

static uint32_t FMC_DeInitialized = 0;

static void HAL_FMC_MspDeInit(void){
   
   
  /* USER CODE BEGIN FMC_MspDeInit 0 */

  /* USER CODE END FMC_MspDeInit 0 */
  if (FMC_DeInitialized) {
   
   
    return;
  }
  FMC_DeInitialized = 1;
  /* Peripheral clock enable */
  __HAL_RCC_FMC_CLK_DISABLE();

  /** FMC GPIO Configuration
  PF0   ------> FMC_A0
  PF1   ------> FMC_A1
  PF2   ------> FMC_A2
  PF3   ------> FMC_A3
  PF4   ------> FMC_A4
  PF5   ------> FMC_A5
  PC0   ------> FMC_SDNWE
  PC2   ------> FMC_SDNE0
  PC3   ------> FMC_SDCKE0
  PF11   ------> FMC_SDNRAS
  PF12   ------> FMC_A6
  PF13   ------> FMC_A7
  PF14   ------> FMC_A8
  PF15   ------> FMC_A9
  PG0   ------> FMC_A10
  PG1   ------> FMC_A11
  PE7   ------> FMC_D4
  PE8   ------> FMC_D5
  PE9   ------> FMC_D6
  PE10   ------> FMC_D7
  PE11   ------> FMC_D8
  PE12   ------> FMC_D9
  PE13   ------> FMC_D10
  PE14   ------> FMC_D11
  PE15   ------> FMC_D12
  PD8   ------> FMC_D13
  PD9   ------> FMC_D14
  PD10   ------> FMC_D15
  PD14   ------> FMC_D0
  PD15   ------> FMC_D1
  PG2   ------> FMC_A12
  PG4   ------> FMC_BA0
  PG5   ------> FMC_BA1
  PG8   ------> FMC_SDCLK
  PD0   ------> FMC_D2
  PD1   ------> FMC_D3
  PG15   ------> FMC_SDNCAS
  PE0   ------> FMC_NBL0
  PE1   ------> FMC_NBL1
  */
  HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_11|GPIO_PIN_12
                          |GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15);

  HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3);

  HAL_GPIO_DeInit(GPIOG, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_4
                          |GPIO_PIN_5|GPIO_PIN_8|GPIO_PIN_15);

  HAL_GPIO_DeInit(GPIOE, GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
                          |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
                          |GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1);

  HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14
                          |GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1);

  /* USER CODE BEGIN FMC_MspDeInit 1 */

  /* USER CODE END FMC_MspDeInit 1 */
}

void HAL_SDRAM_MspDeInit(SDRAM_HandleTypeDef* hsdram){
   
   
  /* USER CODE BEGIN SDRAM_MspDeInit 0 */

  /* USER CODE END SDRAM_MspDeInit 0 */
  HAL_FMC_MspDeInit();
  /* USER CODE BEGIN SDRAM_MspDeInit 1 */

  /* USER CODE END SDRAM_MspDeInit 1 */
}

extern DMA_HandleTypeDef hdma_sai1_a;

//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
//    PE2     ------> SAI1_MCLK_A
//    PE4     ------> SAI1_FS_A
//    PE5     ------> SAI1_SCK_A
//    PE6     ------> SAI1_SD_A
//    */
//    GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_4|GPIO_PIN_5|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_AF6_SAI1;
//    HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

//      /* Peripheral DMA init*/

//    hdma_sai1_a.Instance = DMA2_Stream1;
//    hdma_sai1_a.Init.Channel = DMA_CHANNEL_0;
//    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;
//    hdma_sai1_a.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
//    hdma_sai1_a.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_1QUARTERFULL;
//    hdma_sai1_a.Init.MemBurst = DMA_MBURST_SINGLE;
//    hdma_sai1_a.Init.PeriphBurst = DMA_PBURST_SINGLE;
//    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 stream to perform all the requested DMAs. */
//    __HAL_LINKDMA(hsai,hdmarx,hdma_sai1_a);

//    __HAL_LINKDMA(hsai,hdmatx,hdma_sai1_a);

//    }
//}

//void HAL_SAI_MspDeInit(SAI_HandleTypeDef* hsai)
//{
   
   
///* SAI1 *
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