main.c - EmbeddedSchool-HRK/embeddedschool-2019 - Gitiles

 /* USER CODE BEGIN Header */
 /**
   ******************************************************************************
   * @file           : main.c
   * @brief          : Main program body
   ******************************************************************************
   * @attention
   *
   * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under Ultimate Liberty license
   * SLA0044, the "License"; You may not use this file except in compliance with
   * the License. You may obtain a copy of the License at:
   *                             www.st.com/SLA0044
   *
   ******************************************************************************
   */
 /* USER CODE END Header */

 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
 #include "usb_host.h"

 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */

 /* USER CODE END Includes */

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

 /* USER CODE END PTD */

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

 /* USER CODE END PD */

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

 /* USER CODE END PM */

 /* Private variables ---------------------------------------------------------*/
 I2C_HandleTypeDef hi2c1;

 I2S_HandleTypeDef hi2s3;

 SPI_HandleTypeDef hspi1;

 /* USER CODE BEGIN PV */

 /* USER CODE END PV */

 /* Private function prototypes -----------------------------------------------*/
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_I2C1_Init(void);
 static void MX_I2S3_Init(void);
 static void MX_SPI1_Init(void);
 void MX_USB_HOST_Process(void);


 /* USER CODE BEGIN PFP */
 void flash();

 /* USER CODE END PFP */

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

 /* USER CODE END 0 */

 /**
   * @brief  The application entry point.
   * @retval int
   */
 int main(void)
 {
   /* USER CODE BEGIN 1 */

   /* USER CODE END 1 */


   /* MCU Configuration--------------------------------------------------------*/

   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
   HAL_Init();

   /* USER CODE BEGIN Init */

   /* USER CODE END Init */

   /* Configure the system clock */
   SystemClock_Config();

   /* USER CODE BEGIN SysInit */

   /* USER CODE END SysInit */

   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_I2C1_Init();
   MX_I2S3_Init();
   MX_SPI1_Init();
   MX_USB_HOST_Init();
   /* USER CODE BEGIN 2 */

   /* USER CODE END 2 */

   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   while (1)
   {
     /* USER CODE END WHILE */
     MX_USB_HOST_Process();

     /* USER CODE BEGIN 3 */
 		flash();
   }
   /* USER CODE END 3 */
 }
 void flash() {
 	/* USER CODE BEGIN 3 */
 	HAL_GPIO_WritePin(LD6_GPIO_Port, LD6_Pin, GPIO_PIN_SET);
 	HAL_Delay(500);
 	HAL_GPIO_WritePin(LD6_GPIO_Port, LD6_Pin, GPIO_PIN_RESET);
 	HAL_Delay(500);
 }
 /**
   * @brief System Clock Configuration
   * @retval None
   */
 void SystemClock_Config(void)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
   RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

   /** Configure the main internal regulator output voltage
   */
   __HAL_RCC_PWR_CLK_ENABLE();
   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
   /** Initializes the CPU, AHB and APB busses clocks
   */
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
   RCC_OscInitStruct.PLL.PLLM = 8;
   RCC_OscInitStruct.PLL.PLLN = 336;
   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
   RCC_OscInitStruct.PLL.PLLQ = 7;
   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
   {
     Error_Handler();
   }
   /** Initializes the CPU, AHB and APB busses clocks
   */
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
   {
     Error_Handler();
   }
   PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2S;
   PeriphClkInitStruct.PLLI2S.PLLI2SN = 192;
   PeriphClkInitStruct.PLLI2S.PLLI2SR = 2;
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
   {
     Error_Handler();
   }
 }

 /**
   * @brief I2C1 Initialization Function
   * @param None
   * @retval None
   */
 static void MX_I2C1_Init(void)
 {

   /* USER CODE BEGIN I2C1_Init 0 */

   /* USER CODE END I2C1_Init 0 */

   /* USER CODE BEGIN I2C1_Init 1 */

   /* USER CODE END I2C1_Init 1 */
   hi2c1.Instance = I2C1;
   hi2c1.Init.ClockSpeed = 100000;
   hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
   hi2c1.Init.OwnAddress1 = 0;
   hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
   hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
   hi2c1.Init.OwnAddress2 = 0;
   hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
   hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
   if (HAL_I2C_Init(&hi2c1) != HAL_OK)
   {
     Error_Handler();
   }
   /* USER CODE BEGIN I2C1_Init 2 */

   /* USER CODE END I2C1_Init 2 */

 }

 /**
   * @brief I2S3 Initialization Function
   * @param None
   * @retval None
   */
 static void MX_I2S3_Init(void)
 {

   /* USER CODE BEGIN I2S3_Init 0 */

   /* USER CODE END I2S3_Init 0 */

   /* USER CODE BEGIN I2S3_Init 1 */

   /* USER CODE END I2S3_Init 1 */
   hi2s3.Instance = SPI3;
   hi2s3.Init.Mode = I2S_MODE_MASTER_TX;
   hi2s3.Init.Standard = I2S_STANDARD_PHILIPS;
   hi2s3.Init.DataFormat = I2S_DATAFORMAT_16B;
   hi2s3.Init.MCLKOutput = I2S_MCLKOUTPUT_ENABLE;
   hi2s3.Init.AudioFreq = I2S_AUDIOFREQ_96K;
   hi2s3.Init.CPOL = I2S_CPOL_LOW;
   hi2s3.Init.ClockSource = I2S_CLOCK_PLL;
   hi2s3.Init.FullDuplexMode = I2S_FULLDUPLEXMODE_DISABLE;
   if (HAL_I2S_Init(&hi2s3) != HAL_OK)
   {
     Error_Handler();
   }
   /* USER CODE BEGIN I2S3_Init 2 */

   /* USER CODE END I2S3_Init 2 */

 }

 /**
   * @brief SPI1 Initialization Function
   * @param None
   * @retval None
   */
 static void MX_SPI1_Init(void)
 {

   /* USER CODE BEGIN SPI1_Init 0 */

   /* USER CODE END SPI1_Init 0 */

   /* USER CODE BEGIN SPI1_Init 1 */

   /* USER CODE END SPI1_Init 1 */
   /* SPI1 parameter configuration*/
   hspi1.Instance = SPI1;
   hspi1.Init.Mode = SPI_MODE_MASTER;
   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
   hspi1.Init.NSS = SPI_NSS_SOFT;
   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
   hspi1.Init.CRCPolynomial = 10;
   if (HAL_SPI_Init(&hspi1) != HAL_OK)
   {
     Error_Handler();
   }
   /* USER CODE BEGIN SPI1_Init 2 */

   /* USER CODE END SPI1_Init 2 */

 }

 /**
   * @brief GPIO Initialization Function
   * @param None
   * @retval None
   */
 static void MX_GPIO_Init(void)
 {
   GPIO_InitTypeDef GPIO_InitStruct = {0};

   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOE_CLK_ENABLE();
   __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOH_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
   __HAL_RCC_GPIOB_CLK_ENABLE();
   __HAL_RCC_GPIOD_CLK_ENABLE();

   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(CS_I2C_SPI_GPIO_Port, CS_I2C_SPI_Pin, GPIO_PIN_RESET);

   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(OTG_FS_PowerSwitchOn_GPIO_Port, OTG_FS_PowerSwitchOn_Pin, GPIO_PIN_SET);

   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOD, LD4_Pin|LD3_Pin|LD5_Pin|LD6_Pin
                           |Audio_RST_Pin, GPIO_PIN_RESET);

   /*Configure GPIO pin : CS_I2C_SPI_Pin */
   GPIO_InitStruct.Pin = CS_I2C_SPI_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(CS_I2C_SPI_GPIO_Port, &GPIO_InitStruct);

   /*Configure GPIO pin : OTG_FS_PowerSwitchOn_Pin */
   GPIO_InitStruct.Pin = OTG_FS_PowerSwitchOn_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(OTG_FS_PowerSwitchOn_GPIO_Port, &GPIO_InitStruct);

   /*Configure GPIO pin : PDM_OUT_Pin */
   GPIO_InitStruct.Pin = PDM_OUT_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
   HAL_GPIO_Init(PDM_OUT_GPIO_Port, &GPIO_InitStruct);

   /*Configure GPIO pin : B1_Pin */
   GPIO_InitStruct.Pin = B1_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);

   /*Configure GPIO pin : BOOT1_Pin */
   GPIO_InitStruct.Pin = BOOT1_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(BOOT1_GPIO_Port, &GPIO_InitStruct);

   /*Configure GPIO pin : CLK_IN_Pin */
   GPIO_InitStruct.Pin = CLK_IN_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
   HAL_GPIO_Init(CLK_IN_GPIO_Port, &GPIO_InitStruct);

   /*Configure GPIO pins : LD4_Pin LD3_Pin LD5_Pin LD6_Pin
                            Audio_RST_Pin */
   GPIO_InitStruct.Pin = LD4_Pin|LD3_Pin|LD5_Pin|LD6_Pin
                           |Audio_RST_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

   /*Configure GPIO pin : OTG_FS_OverCurrent_Pin */
   GPIO_InitStruct.Pin = OTG_FS_OverCurrent_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(OTG_FS_OverCurrent_GPIO_Port, &GPIO_InitStruct);

   /*Configure GPIO pin : MEMS_INT2_Pin */
   GPIO_InitStruct.Pin = MEMS_INT2_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(MEMS_INT2_GPIO_Port, &GPIO_InitStruct);

 }

 /* USER CODE BEGIN 4 */

 /* USER CODE END 4 */

 /**
   * @brief  This function is executed in case of error occurrence.
   * @retval None
   */
 void Error_Handler(void)
 {
   /* USER CODE BEGIN Error_Handler_Debug */
   /* User can add his own implementation to report the HAL error return state */

   /* USER CODE END Error_Handler_Debug */
 }

 #ifdef  USE_FULL_ASSERT
 /**
   * @brief  Reports the name of the source file and the source line number
   *         where the assert_param error has occurred.
   * @param  file: pointer to the source file name
   * @param  line: assert_param error line source number
   * @retval None
   */
 void assert_failed(uint8_t *file, uint32_t line)
 {
   /* USER CODE BEGIN 6 */
   /* User can add his own implementation to report the file name and line number,
      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
   /* USER CODE END 6 */
 }
 #endif /* USE_FULL_ASSERT */

 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
	/* USER CODE BEGIN Header */
	/**
	******************************************************************************
	* @file : main.c
	* @brief : Main program body
	******************************************************************************
	* @attention
	*
	* <h2><center>© Copyright (c) 2019 STMicroelectronics.
	* All rights reserved.</center></h2>
	*
	* This software component is licensed by ST under Ultimate Liberty license
	* SLA0044, the "License"; You may not use this file except in compliance with
	* the License. You may obtain a copy of the License at:
	* www.st.com/SLA0044
	*
	******************************************************************************
	*/
	/* USER CODE END Header */

	/* Includes ------------------------------------------------------------------*/
	#include "main.h"
	#include "usb_host.h"

	/* Private includes ----------------------------------------------------------*/
	/* USER CODE BEGIN Includes */

	/* USER CODE END Includes */

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

	/* USER CODE END PTD */

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

	/* USER CODE END PD */

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

	/* USER CODE END PM */

	/* Private variables ---------------------------------------------------------*/
	I2C_HandleTypeDef hi2c1;

	I2S_HandleTypeDef hi2s3;

	SPI_HandleTypeDef hspi1;

	/* USER CODE BEGIN PV */

	/* USER CODE END PV */

	/* Private function prototypes -----------------------------------------------*/
	void SystemClock_Config(void);
	static void MX_GPIO_Init(void);
	static void MX_I2C1_Init(void);
	static void MX_I2S3_Init(void);
	static void MX_SPI1_Init(void);
	void MX_USB_HOST_Process(void);



	/* USER CODE BEGIN PFP */
	void flash();

	/* USER CODE END PFP */

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

	/* USER CODE END 0 */

	/**
	* @brief The application entry point.
	* @retval int
	*/
	int main(void)
	{
	/* USER CODE BEGIN 1 */

	/* USER CODE END 1 */


	/* MCU Configuration--------------------------------------------------------*/

	/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
	HAL_Init();

	/* USER CODE BEGIN Init */

	/* USER CODE END Init */

	/* Configure the system clock */
	SystemClock_Config();

	/* USER CODE BEGIN SysInit */

	/* USER CODE END SysInit */

	/* Initialize all configured peripherals */
	MX_GPIO_Init();
	MX_I2C1_Init();
	MX_I2S3_Init();
	MX_SPI1_Init();
	MX_USB_HOST_Init();
	/* USER CODE BEGIN 2 */

	/* USER CODE END 2 */

	/* Infinite loop */
	/* USER CODE BEGIN WHILE */
	while (1)
	{
	/* USER CODE END WHILE */
	MX_USB_HOST_Process();

	/* USER CODE BEGIN 3 */
	flash();
	}
	/* USER CODE END 3 */
	}
	void flash() {
	/* USER CODE BEGIN 3 */
	HAL_GPIO_WritePin(LD6_GPIO_Port, LD6_Pin, GPIO_PIN_SET);
	HAL_Delay(500);
	HAL_GPIO_WritePin(LD6_GPIO_Port, LD6_Pin, GPIO_PIN_RESET);
	HAL_Delay(500);
	}
	/**
	* @brief System Clock Configuration
	* @retval None
	*/
	void SystemClock_Config(void)
	{
	RCC_OscInitTypeDef RCC_OscInitStruct = {0};
	RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
	RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

	/** Configure the main internal regulator output voltage
	*/
	__HAL_RCC_PWR_CLK_ENABLE();
	__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
	/** Initializes the CPU, AHB and APB busses clocks
	*/
	RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
	RCC_OscInitStruct.HSEState = RCC_HSE_ON;
	RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
	RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
	RCC_OscInitStruct.PLL.PLLM = 8;
	RCC_OscInitStruct.PLL.PLLN = 336;
	RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
	RCC_OscInitStruct.PLL.PLLQ = 7;
	if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
	{
	Error_Handler();
	}
	/** Initializes the CPU, AHB and APB busses clocks
	*/
	RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK\|RCC_CLOCKTYPE_SYSCLK
	\|RCC_CLOCKTYPE_PCLK1\|RCC_CLOCKTYPE_PCLK2;
	RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
	RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
	RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
	RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

	if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
	{
	Error_Handler();
	}
	PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2S;
	PeriphClkInitStruct.PLLI2S.PLLI2SN = 192;
	PeriphClkInitStruct.PLLI2S.PLLI2SR = 2;
	if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
	{
	Error_Handler();
	}
	}

	/**
	* @brief I2C1 Initialization Function
	* @param None
	* @retval None
	*/
	static void MX_I2C1_Init(void)
	{

	/* USER CODE BEGIN I2C1_Init 0 */

	/* USER CODE END I2C1_Init 0 */

	/* USER CODE BEGIN I2C1_Init 1 */

	/* USER CODE END I2C1_Init 1 */
	hi2c1.Instance = I2C1;
	hi2c1.Init.ClockSpeed = 100000;
	hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
	hi2c1.Init.OwnAddress1 = 0;
	hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
	hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
	hi2c1.Init.OwnAddress2 = 0;
	hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
	hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
	if (HAL_I2C_Init(&hi2c1) != HAL_OK)
	{
	Error_Handler();
	}
	/* USER CODE BEGIN I2C1_Init 2 */

	/* USER CODE END I2C1_Init 2 */

	}

	/**
	* @brief I2S3 Initialization Function
	* @param None
	* @retval None
	*/
	static void MX_I2S3_Init(void)
	{

	/* USER CODE BEGIN I2S3_Init 0 */

	/* USER CODE END I2S3_Init 0 */

	/* USER CODE BEGIN I2S3_Init 1 */

	/* USER CODE END I2S3_Init 1 */
	hi2s3.Instance = SPI3;
	hi2s3.Init.Mode = I2S_MODE_MASTER_TX;
	hi2s3.Init.Standard = I2S_STANDARD_PHILIPS;
	hi2s3.Init.DataFormat = I2S_DATAFORMAT_16B;
	hi2s3.Init.MCLKOutput = I2S_MCLKOUTPUT_ENABLE;
	hi2s3.Init.AudioFreq = I2S_AUDIOFREQ_96K;
	hi2s3.Init.CPOL = I2S_CPOL_LOW;
	hi2s3.Init.ClockSource = I2S_CLOCK_PLL;
	hi2s3.Init.FullDuplexMode = I2S_FULLDUPLEXMODE_DISABLE;
	if (HAL_I2S_Init(&hi2s3) != HAL_OK)
	{
	Error_Handler();
	}
	/* USER CODE BEGIN I2S3_Init 2 */

	/* USER CODE END I2S3_Init 2 */

	}

	/**
	* @brief SPI1 Initialization Function
	* @param None
	* @retval None
	*/
	static void MX_SPI1_Init(void)
	{

	/* USER CODE BEGIN SPI1_Init 0 */

	/* USER CODE END SPI1_Init 0 */

	/* USER CODE BEGIN SPI1_Init 1 */

	/* USER CODE END SPI1_Init 1 */
	/* SPI1 parameter configuration*/
	hspi1.Instance = SPI1;
	hspi1.Init.Mode = SPI_MODE_MASTER;
	hspi1.Init.Direction = SPI_DIRECTION_2LINES;
	hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
	hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
	hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
	hspi1.Init.NSS = SPI_NSS_SOFT;
	hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
	hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
	hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
	hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
	hspi1.Init.CRCPolynomial = 10;
	if (HAL_SPI_Init(&hspi1) != HAL_OK)
	{
	Error_Handler();
	}
	/* USER CODE BEGIN SPI1_Init 2 */

	/* USER CODE END SPI1_Init 2 */

	}

	/**
	* @brief GPIO Initialization Function
	* @param None
	* @retval None
	*/
	static void MX_GPIO_Init(void)
	{
	GPIO_InitTypeDef GPIO_InitStruct = {0};

	/* GPIO Ports Clock Enable */
	__HAL_RCC_GPIOE_CLK_ENABLE();
	__HAL_RCC_GPIOC_CLK_ENABLE();
	__HAL_RCC_GPIOH_CLK_ENABLE();
	__HAL_RCC_GPIOA_CLK_ENABLE();
	__HAL_RCC_GPIOB_CLK_ENABLE();
	__HAL_RCC_GPIOD_CLK_ENABLE();

	/Configure GPIO pin Output Level /
	HAL_GPIO_WritePin(CS_I2C_SPI_GPIO_Port, CS_I2C_SPI_Pin, GPIO_PIN_RESET);

	/Configure GPIO pin Output Level /
	HAL_GPIO_WritePin(OTG_FS_PowerSwitchOn_GPIO_Port, OTG_FS_PowerSwitchOn_Pin, GPIO_PIN_SET);

	/Configure GPIO pin Output Level /
	HAL_GPIO_WritePin(GPIOD, LD4_Pin\|LD3_Pin\|LD5_Pin\|LD6_Pin
	\|Audio_RST_Pin, GPIO_PIN_RESET);

	/Configure GPIO pin : CS_I2C_SPI_Pin /
	GPIO_InitStruct.Pin = CS_I2C_SPI_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	HAL_GPIO_Init(CS_I2C_SPI_GPIO_Port, &GPIO_InitStruct);

	/Configure GPIO pin : OTG_FS_PowerSwitchOn_Pin /
	GPIO_InitStruct.Pin = OTG_FS_PowerSwitchOn_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	HAL_GPIO_Init(OTG_FS_PowerSwitchOn_GPIO_Port, &GPIO_InitStruct);

	/Configure GPIO pin : PDM_OUT_Pin /
	GPIO_InitStruct.Pin = PDM_OUT_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
	HAL_GPIO_Init(PDM_OUT_GPIO_Port, &GPIO_InitStruct);

	/Configure GPIO pin : B1_Pin /
	GPIO_InitStruct.Pin = B1_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);

	/Configure GPIO pin : BOOT1_Pin /
	GPIO_InitStruct.Pin = BOOT1_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	HAL_GPIO_Init(BOOT1_GPIO_Port, &GPIO_InitStruct);

	/Configure GPIO pin : CLK_IN_Pin /
	GPIO_InitStruct.Pin = CLK_IN_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
	HAL_GPIO_Init(CLK_IN_GPIO_Port, &GPIO_InitStruct);

	/*Configure GPIO pins : LD4_Pin LD3_Pin LD5_Pin LD6_Pin
	Audio_RST_Pin */
	GPIO_InitStruct.Pin = LD4_Pin\|LD3_Pin\|LD5_Pin\|LD6_Pin
	\|Audio_RST_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

	/Configure GPIO pin : OTG_FS_OverCurrent_Pin /
	GPIO_InitStruct.Pin = OTG_FS_OverCurrent_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	HAL_GPIO_Init(OTG_FS_OverCurrent_GPIO_Port, &GPIO_InitStruct);

	/Configure GPIO pin : MEMS_INT2_Pin /
	GPIO_InitStruct.Pin = MEMS_INT2_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	HAL_GPIO_Init(MEMS_INT2_GPIO_Port, &GPIO_InitStruct);

	}

	/* USER CODE BEGIN 4 */

	/* USER CODE END 4 */

	/**
	* @brief This function is executed in case of error occurrence.
	* @retval None
	*/
	void Error_Handler(void)
	{
	/* USER CODE BEGIN Error_Handler_Debug */
	/* User can add his own implementation to report the HAL error return state */

	/* USER CODE END Error_Handler_Debug */
	}

	#ifdef USE_FULL_ASSERT
	/**
	* @brief Reports the name of the source file and the source line number
	* where the assert_param error has occurred.
	* @param file: pointer to the source file name
	* @param line: assert_param error line source number
	* @retval None
	*/
	void assert_failed(uint8_t *file, uint32_t line)
	{
	/* USER CODE BEGIN 6 */
	/* User can add his own implementation to report the file name and line number,
	tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
	/* USER CODE END 6 */
	}
	#endif /* USE_FULL_ASSERT */

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