/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 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_device.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;

OSPI_HandleTypeDef hospi1;

SPI_HandleTypeDef hspi1;

UART_HandleTypeDef huart5;
UART_HandleTypeDef huart3;

/* USER CODE BEGIN PV */

uint8_t CmdCplt, TxCplt , StatusMatch , RxCplt;
/* Buffer used for transmission */
uint8_t aTxBuffer[] = " ****Memory-mapped OSPI communication****   ****Memory-mapped OSPI communication****   ****Memory-mapped OSPI communication****   ****Memory-mapped OSPI communication****   ****Memory-mapped OSPI communication****  ****Memory-mapped OSPI communication**** ";

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART3_UART_Init(void);
static void MX_I2C1_Init(void);
static void MX_OCTOSPI1_Init(void);
static void MX_SPI1_Init(void);
static void MX_UART5_Init(void);
/* USER CODE BEGIN PFP */
static void OSPI_WriteEnable(OSPI_HandleTypeDef *hospi);
static void OSPI_WriteStatusReg(OSPI_HandleTypeDef *hospi);
static void OSPI_AutoPollingMemReady(OSPI_HandleTypeDef *hospi);
static HAL_StatusTypeDef OSPI_VerifyQuadEnable(OSPI_HandleTypeDef *hospi);

/* 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 */
  OSPI_RegularCmdTypeDef sCommand;
  OSPI_MemoryMappedTypeDef sMemMappedCfg;
  uint32_t address = 0;
  uint16_t index;
  __IO uint8_t step = 0;
  __IO uint8_t *mem_addr = (__IO uint8_t *)(0x90000000);

//  CPU_CACHE_Enable();

  /* 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_USART3_UART_Init();
  MX_I2C1_Init();
  MX_OCTOSPI1_Init();
  MX_SPI1_Init();
  MX_UART5_Init();
  MX_USB_DEVICE_Init();
  /* USER CODE BEGIN 2 */

  /* Configure the memory in Quad 4READ mode ------------------------------------- */

  sCommand.OperationType      = HAL_OSPI_OPTYPE_COMMON_CFG;
  sCommand.FlashId            = HAL_OSPI_FLASH_ID_1;
  sCommand.InstructionMode    = HAL_OSPI_INSTRUCTION_1_LINE;
  sCommand.InstructionSize    = HAL_OSPI_INSTRUCTION_8_BITS;
  sCommand.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE;
  sCommand.AddressMode		  = HAL_OSPI_ADDRESS_1_LINE;
  sCommand.AddressSize        = HAL_OSPI_ADDRESS_24_BITS;
  sCommand.AddressDtrMode     = HAL_OSPI_ADDRESS_DTR_DISABLE;
  sCommand.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE;
  sCommand.DataMode           = HAL_OSPI_DATA_4_LINES;
  sCommand.DataDtrMode        = HAL_OSPI_DATA_DTR_DISABLE;
  sCommand.DQSMode            = HAL_OSPI_DQS_DISABLE;
  sCommand.SIOOMode           = HAL_OSPI_SIOO_INST_EVERY_CMD;

  if (OSPI_VerifyQuadEnable(&hospi1) == HAL_ERROR)
	  OSPI_WriteStatusReg(&hospi1);
  /* USER CODE END 2 */

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

    /* USER CODE BEGIN 3 */
	    switch(step)
	    {
	    case 0:
	      CmdCplt = 0;

	      /* Enable write operations ------------------------------------------- */
	      OSPI_WriteEnable(&hospi1);

	      /* Erasing Sequence ----------------------------------------------- */
	      sCommand.OperationType = HAL_OSPI_OPTYPE_COMMON_CFG;
	      sCommand.Instruction   = OCTAL_BLOCK32K_ERASE_CMD;
	      sCommand.AddressMode   = HAL_OSPI_ADDRESS_1_LINE;
	      sCommand.Address       = address;
	      sCommand.DataMode      = HAL_OSPI_DATA_NONE;
	      sCommand.DummyCycles   = 0;
	      sCommand.DQSMode       = HAL_OSPI_DQS_DISABLE;

	      if (HAL_OSPI_Command_IT(&hospi1, &sCommand) != HAL_OK)
	      {
	        Error_Handler();
	      }
	      step++;
	      break;

	    case 1:
	      if(CmdCplt != 0)
	      {
	        CmdCplt = 0;
	        StatusMatch = 0;

	        /* Configure automatic polling mode to wait for end of erase ------- */
	        OSPI_AutoPollingMemReady(&hospi1);
	        step++;
	      }
	      break;

	    case 2:
	      if(StatusMatch != 0)
	      {
	        StatusMatch = 0;
	        TxCplt = 0;

	        /* Enable write operations ------------------------------------------- */
	        OSPI_WriteEnable(&hospi1);

	        /* Writing Sequence ------------------------------------------------ */
	        sCommand.OperationType = HAL_OSPI_OPTYPE_COMMON_CFG;
	        sCommand.Instruction   = OCTAL_PAGE_PROG_CMD;
	        sCommand.AddressMode   = HAL_OSPI_ADDRESS_4_LINES;
	        sCommand.Address       = address;
	        sCommand.DataMode      = HAL_OSPI_DATA_4_LINES;
	        sCommand.NbData        = 8; //BUFFERSIZE;
	        sCommand.SIOOMode      = HAL_OSPI_SIOO_INST_ONLY_FIRST_CMD;


	        if (HAL_OSPI_Command(&hospi1, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
	        {
	          Error_Handler();
	        }

	        if (HAL_OSPI_Transmit(&hospi1, aTxBuffer, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
	        {
	          Error_Handler();
	        }
/*
	        if (HAL_OSPI_Transmit_IT(&hospi1, aTxBuffer) != HAL_OK)
	        {
	          Error_Handler();
	        }
*/
	        step++;
	      }
	      break;

	    case 3:
	      if(TxCplt != 0)
	      {
	        TxCplt = 0;
	        StatusMatch = 0;

	        /* Configure automatic polling mode to wait for end of program ----- */
	        OSPI_AutoPollingMemReady(&hospi1);

	        /* Memory-mapped mode configuration ------------------------------- */
	        sCommand.OperationType = HAL_OSPI_OPTYPE_WRITE_CFG;
	        sCommand.DataMode      = HAL_OSPI_DATA_4_LINES;
	        sCommand.NbData        = 1;
	        sCommand.DummyCycles   = 0;

	        if (HAL_OSPI_Command(&hospi1, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
	        {
	          Error_Handler();
	        }

	        sCommand.OperationType = HAL_OSPI_OPTYPE_READ_CFG;
	        sCommand.Instruction   = OCTAL_IO_READ_CMD;
	        sCommand.DummyCycles   = 6 ;
	        sCommand.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_4_LINES;
	        sCommand.AlternateBytesSize = HAL_OSPI_ALTERNATE_BYTES_8_BITS;
	        sCommand.AlternateBytes = 0xAA;
	        sCommand.AlternateBytesDtrMode = HAL_OSPI_ALTERNATE_BYTES_DTR_DISABLE;
//	        sCommand.DQSMode       = HAL_OSPI_DQS_ENABLE;

	        if (HAL_OSPI_Command(&hospi1, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
	        {
	          Error_Handler();
	        }

	        sMemMappedCfg.TimeOutActivation = HAL_OSPI_TIMEOUT_COUNTER_DISABLE;
	        if (HAL_OSPI_MemoryMapped(&hospi1, &sMemMappedCfg) != HAL_OK)
	        {
	          Error_Handler();
	        }
	        step++;
		  }
	      break;

	    case 4:
	      if(StatusMatch != 0)
	      {
	        StatusMatch = 0;
	        RxCplt = 0;

	        /* Reading Sequence ----------------------------------------------- */
	        mem_addr = (__IO uint8_t *)(OCTOSPI1_BASE + address);
	        for (index = 0; index < BUFFERSIZE ; index++)
	        {
	          if (*mem_addr != aTxBuffer[index])
	          {
//	            BSP_LED_On(LED_RED);
	          }
	          mem_addr++;
	        }

//	        BSP_LED_Toggle(LED_GREEN);
	        HAL_Delay(50);

	        address += OSPI_BLOCK32_SIZE;
	        if(address >= OSPI_END_ADDR)
	        {
	          address = 0;
	        }

	        /* Re-Initialize OctoSPI*/
	        HAL_OSPI_DeInit(&hospi1);
	        HAL_OSPI_Init(&hospi1);

	        step = 0;
	      }
	      break;

	    default :
	      Error_Handler();
	    }


  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
  RCC_CRSInitTypeDef RCC_CRSInitStruct = {0};

  /** Supply configuration update enable
  */
  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
  /** Configure the main internal regulator output voltage
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
  /** Configure LSE Drive Capability
  */
  HAL_PWR_EnableBkUpAccess();
  __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48|RCC_OSCILLATORTYPE_HSI
                              |RCC_OSCILLATORTYPE_LSE;
  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
  RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLM = 4;
  RCC_OscInitStruct.PLL.PLLN = 16;
  RCC_OscInitStruct.PLL.PLLP = 2;
  RCC_OscInitStruct.PLL.PLLQ = 32;
  RCC_OscInitStruct.PLL.PLLR = 2;
  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3;
  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
  RCC_OscInitStruct.PLL.PLLFRACN = 0;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                              |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV8;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1;
  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3|RCC_PERIPHCLK_UART5
                              |RCC_PERIPHCLK_SPI1|RCC_PERIPHCLK_I2C1
                              |RCC_PERIPHCLK_USB|RCC_PERIPHCLK_OSPI;
  PeriphClkInitStruct.OspiClockSelection = RCC_OSPICLKSOURCE_PLL;
  PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_PLL;
  PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
  PeriphClkInitStruct.I2c1235ClockSelection = RCC_I2C1235CLKSOURCE_D2PCLK1;
  PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Enable the SYSCFG APB clock
  */
  __HAL_RCC_CRS_CLK_ENABLE();
  /** Configures CRS
  */
  RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
  RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_LSE;
  RCC_CRSInitStruct.Polarity = RCC_CRS_SYNC_POLARITY_RISING;
  RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000,32768);
  RCC_CRSInitStruct.ErrorLimitValue = 34;
  RCC_CRSInitStruct.HSI48CalibrationValue = 32;

  HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
  /** Enable USB Voltage detector
  */
  HAL_PWREx_EnableUSBVoltageDetector();
}

/**
  * @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.Timing = 0x00303D5B;
  hi2c1.Init.OwnAddress1 = 0;
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c1.Init.OwnAddress2 = 0;
  hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Analogue filter
  */
  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Digital filter
  */
  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN I2C1_Init 2 */

  /* USER CODE END I2C1_Init 2 */

}

/**
  * @brief OCTOSPI1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_OCTOSPI1_Init(void)
{

  /* USER CODE BEGIN OCTOSPI1_Init 0 */

  /* USER CODE END OCTOSPI1_Init 0 */

  OSPIM_CfgTypeDef sOspiManagerCfg = {0};

  /* USER CODE BEGIN OCTOSPI1_Init 1 */

  /* USER CODE END OCTOSPI1_Init 1 */
  /* OCTOSPI1 parameter configuration*/
  hospi1.Instance = OCTOSPI1;
  hospi1.Init.FifoThreshold = 4;
  hospi1.Init.DualQuad = HAL_OSPI_DUALQUAD_DISABLE;
  hospi1.Init.MemoryType = HAL_OSPI_MEMTYPE_MACRONIX;
  hospi1.Init.DeviceSize = 21;
  hospi1.Init.ChipSelectHighTime = 2;
  hospi1.Init.FreeRunningClock = HAL_OSPI_FREERUNCLK_DISABLE;
  hospi1.Init.ClockMode = HAL_OSPI_CLOCK_MODE_0;
  hospi1.Init.WrapSize = HAL_OSPI_WRAP_NOT_SUPPORTED;
  hospi1.Init.ClockPrescaler = 2;
  hospi1.Init.SampleShifting = HAL_OSPI_SAMPLE_SHIFTING_HALFCYCLE;
  hospi1.Init.DelayHoldQuarterCycle = HAL_OSPI_DHQC_DISABLE;
  hospi1.Init.ChipSelectBoundary = 1;
  hospi1.Init.ClkChipSelectHighTime = 0;
  hospi1.Init.DelayBlockBypass = HAL_OSPI_DELAY_BLOCK_BYPASSED;
  hospi1.Init.MaxTran = 0;
  hospi1.Init.Refresh = 0;
  if (HAL_OSPI_Init(&hospi1) != HAL_OK)
  {
    Error_Handler();
  }
  sOspiManagerCfg.ClkPort = 1;
  sOspiManagerCfg.NCSPort = 1;
  sOspiManagerCfg.IOLowPort = HAL_OSPIM_IOPORT_1_LOW;
  if (HAL_OSPIM_Config(&hospi1, &sOspiManagerCfg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN OCTOSPI1_Init 2 */

  /* USER CODE END OCTOSPI1_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_4BIT;
  hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  hspi1.Init.NSS = SPI_NSS_HARD_OUTPUT;
  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 = 0x0;
  hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
  hspi1.Init.NSSPolarity = SPI_NSS_POLARITY_LOW;
  hspi1.Init.FifoThreshold = SPI_FIFO_THRESHOLD_01DATA;
  hspi1.Init.TxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
  hspi1.Init.RxCRCInitializationPattern = SPI_CRC_INITIALIZATION_ALL_ZERO_PATTERN;
  hspi1.Init.MasterSSIdleness = SPI_MASTER_SS_IDLENESS_00CYCLE;
  hspi1.Init.MasterInterDataIdleness = SPI_MASTER_INTERDATA_IDLENESS_00CYCLE;
  hspi1.Init.MasterReceiverAutoSusp = SPI_MASTER_RX_AUTOSUSP_DISABLE;
  hspi1.Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_DISABLE;
  hspi1.Init.IOSwap = SPI_IO_SWAP_DISABLE;
  if (HAL_SPI_Init(&hspi1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN SPI1_Init 2 */

  /* USER CODE END SPI1_Init 2 */

}

/**
  * @brief UART5 Initialization Function
  * @param None
  * @retval None
  */
static void MX_UART5_Init(void)
{

  /* USER CODE BEGIN UART5_Init 0 */

  /* USER CODE END UART5_Init 0 */

  /* USER CODE BEGIN UART5_Init 1 */

  /* USER CODE END UART5_Init 1 */
  huart5.Instance = UART5;
  huart5.Init.BaudRate = 115200;
  huart5.Init.WordLength = UART_WORDLENGTH_8B;
  huart5.Init.StopBits = UART_STOPBITS_1;
  huart5.Init.Parity = UART_PARITY_NONE;
  huart5.Init.Mode = UART_MODE_TX_RX;
  huart5.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart5.Init.OverSampling = UART_OVERSAMPLING_16;
  huart5.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart5.Init.ClockPrescaler = UART_PRESCALER_DIV1;
  huart5.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_RS485Ex_Init(&huart5, UART_DE_POLARITY_HIGH, 0, 0) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetTxFifoThreshold(&huart5, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetRxFifoThreshold(&huart5, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_DisableFifoMode(&huart5) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN UART5_Init 2 */

  /* USER CODE END UART5_Init 2 */

}

/**
  * @brief USART3 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART3_UART_Init(void)
{

  /* USER CODE BEGIN USART3_Init 0 */

  /* USER CODE END USART3_Init 0 */

  /* USER CODE BEGIN USART3_Init 1 */

  /* USER CODE END USART3_Init 1 */
  huart3.Instance = USART3;
  huart3.Init.BaudRate = 115200;
  huart3.Init.WordLength = UART_WORDLENGTH_8B;
  huart3.Init.StopBits = UART_STOPBITS_1;
  huart3.Init.Parity = UART_PARITY_NONE;
  huart3.Init.Mode = UART_MODE_TX_RX;
  huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart3.Init.OverSampling = UART_OVERSAMPLING_16;
  huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart3.Init.ClockPrescaler = UART_PRESCALER_DIV1;
  huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart3) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetTxFifoThreshold(&huart3, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetRxFifoThreshold(&huart3, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_DisableFifoMode(&huart3) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART3_Init 2 */

  /* USER CODE END USART3_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_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();
  __HAL_RCC_GPIOD_CLK_ENABLE();
  __HAL_RCC_GPIOG_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(LED_RED_GPIO_Port, LED_RED_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(USB_FS_PWR_EN_GPIO_Port, USB_FS_PWR_EN_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(LED_YELLOW_GPIO_Port, LED_YELLOW_Pin, GPIO_PIN_RESET);

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

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

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

  /*Configure GPIO pin : USB_FS_OVCR_Pin */
  GPIO_InitStruct.Pin = USB_FS_OVCR_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(USB_FS_OVCR_GPIO_Port, &GPIO_InitStruct);

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

}

/* USER CODE BEGIN 4 */

/**
  * @brief  Rx Transfer completed callbacks.
  * @param  hospi: OSPI handle
  * @retval None
  */
void HAL_OSPI_RxCpltCallback(OSPI_HandleTypeDef *hospi)
{
  RxCplt++;
}

/**
  * @brief  Command completed callbacks.
  * @param  hospi: OSPI handle
  * @retval None
  */
void HAL_OSPI_CmdCpltCallback(OSPI_HandleTypeDef *hospi)
{
  CmdCplt++;
}

/**
  * @brief  Tx Transfer completed callbacks.
  * @param  hospi: OSPI handle
  * @retval None
  */
void HAL_OSPI_TxCpltCallback(OSPI_HandleTypeDef *hospi)
{
  TxCplt++;
}

/**
  * @brief  Status Match callbacks
  * @param  hospi: OSPI handle
  * @retval None
  */
void HAL_OSPI_StatusMatchCallback(OSPI_HandleTypeDef *hospi)
{
  StatusMatch++;
}

/**
  * @brief  Transfer Error callback.
  * @param  hospi: OSPI handle
  * @retval None
  */
void HAL_OSPI_ErrorCallback(OSPI_HandleTypeDef *hospi)
{
  Error_Handler();
}

/**
  * @brief  This function send a Write Enable and wait it is effective.
  * @param  hospi: OSPI handle
  * @retval None
  */
static void OSPI_WriteEnable(OSPI_HandleTypeDef *hospi)
{
  OSPI_RegularCmdTypeDef  sCommand;
  uint8_t reg[2];

  /* Enable write operations ------------------------------------------ */
  sCommand.OperationType      = HAL_OSPI_OPTYPE_COMMON_CFG;
  sCommand.FlashId            = HAL_OSPI_FLASH_ID_1;
  sCommand.Instruction        = OCTAL_WRITE_ENABLE_CMD;
  sCommand.InstructionMode    = HAL_OSPI_INSTRUCTION_1_LINE;
  sCommand.InstructionSize    = HAL_OSPI_INSTRUCTION_8_BITS;
  sCommand.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE;
  sCommand.AddressMode        = HAL_OSPI_ADDRESS_NONE;
  sCommand.AddressSize        = HAL_OSPI_ADDRESS_24_BITS;
  sCommand.AddressDtrMode     = HAL_OSPI_ADDRESS_DTR_DISABLE;
  sCommand.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE;
  sCommand.DataMode           = HAL_OSPI_DATA_NONE;
  sCommand.DataDtrMode        = HAL_OSPI_DATA_DTR_DISABLE;
  sCommand.DummyCycles        = 0;
  sCommand.DQSMode            = HAL_OSPI_DQS_DISABLE;
  sCommand.SIOOMode           = HAL_OSPI_SIOO_INST_EVERY_CMD;

  if (HAL_OSPI_Command(hospi, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
  {
    Error_Handler();
  }

  /* Configure automatic polling mode to wait for write enabling ---- */
  sCommand.Instruction    = OCTAL_READ_STATUS_REG_CMD;
  sCommand.Address        = 0x0;
  sCommand.DataMode       = HAL_OSPI_DATA_1_LINE;
  sCommand.NbData         = 1;

  do
  {
    if (HAL_OSPI_Command(hospi, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
    {
      Error_Handler();
    }

    if (HAL_OSPI_Receive(hospi, reg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
    {
      Error_Handler();
    }
  } while((reg[0] & WRITE_ENABLE_MASK_VALUE) != WRITE_ENABLE_MATCH_VALUE);
}


static void OSPI_WriteStatusReg(OSPI_HandleTypeDef *hospi)
{
  OSPI_RegularCmdTypeDef  sCommand;
  uint8_t reg[2];

  OSPI_WriteEnable(hospi);

  /* Status reg write operations ------------------------------------------ */
  sCommand.OperationType      = HAL_OSPI_OPTYPE_COMMON_CFG;
  sCommand.FlashId            = HAL_OSPI_FLASH_ID_1;
  sCommand.Instruction        = OCTAL_WRITE_STATUS_REG_CMD;
  sCommand.InstructionMode    = HAL_OSPI_INSTRUCTION_1_LINE;
  sCommand.InstructionSize    = HAL_OSPI_INSTRUCTION_8_BITS;
  sCommand.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE;
  sCommand.AddressMode        = HAL_OSPI_ADDRESS_NONE;
  sCommand.AddressSize        = HAL_OSPI_ADDRESS_24_BITS;
  sCommand.AddressDtrMode     = HAL_OSPI_ADDRESS_DTR_DISABLE;
  sCommand.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE;
  sCommand.DataMode           = HAL_OSPI_DATA_1_LINE;
  sCommand.DataDtrMode        = HAL_OSPI_DATA_DTR_DISABLE;
  sCommand.NbData         	  = 2;
  sCommand.DummyCycles        = 0;
  sCommand.DQSMode            = HAL_OSPI_DQS_DISABLE;
  sCommand.SIOOMode           = HAL_OSPI_SIOO_INST_EVERY_CMD;
  reg[0] = 0x40;
  reg[1] = 0x01;

  if (HAL_OSPI_Command(hospi, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_OSPI_Transmit(hospi, reg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
  {
    Error_Handler();
  }

  HAL_Delay(40);
  /* Configure automatic polling mode to wait for write enabling ---- */
  OSPI_AutoPollingMemReady(hospi);
}


/**
  * @brief  This function read the SR of the memory and wait the EOP.
  * @param  hospi: OSPI handle
  * @retval None
  */
static void OSPI_AutoPollingMemReady(OSPI_HandleTypeDef *hospi)
{
  OSPI_RegularCmdTypeDef  sCommand;
  uint8_t reg[2];

  /* Configure automatic polling mode to wait for memory ready ------ */
  sCommand.OperationType      = HAL_OSPI_OPTYPE_COMMON_CFG;
  sCommand.FlashId            = HAL_OSPI_FLASH_ID_1;
  sCommand.Instruction        = OCTAL_READ_STATUS_REG_CMD;
  sCommand.InstructionMode    = HAL_OSPI_INSTRUCTION_1_LINE;
  sCommand.InstructionSize    = HAL_OSPI_INSTRUCTION_8_BITS;
  sCommand.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE;
  sCommand.Address        	  = 0x0;
  sCommand.AddressMode        = HAL_OSPI_ADDRESS_NONE;
  sCommand.AddressSize        = HAL_OSPI_ADDRESS_24_BITS;
  sCommand.AddressDtrMode     = HAL_OSPI_ADDRESS_DTR_DISABLE;
  sCommand.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE;
  sCommand.DataMode           = HAL_OSPI_DATA_1_LINE;
  sCommand.DataDtrMode        = HAL_OSPI_DATA_DTR_DISABLE;
  sCommand.DummyCycles        = 0;
  sCommand.DQSMode            = HAL_OSPI_DQS_DISABLE;
  sCommand.SIOOMode           = HAL_OSPI_SIOO_INST_EVERY_CMD;
  sCommand.NbData         	  = 2;

  do
  {
    if (HAL_OSPI_Command(hospi, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
    {
      Error_Handler();
    }

    if (HAL_OSPI_Receive(hospi, reg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
    {
      Error_Handler();
    }
  } while((reg[0] & MEMORY_READY_MASK_VALUE) != MEMORY_READY_MATCH_VALUE);
  StatusMatch++;
}


static HAL_StatusTypeDef OSPI_VerifyQuadEnable(OSPI_HandleTypeDef *hospi)
{
  HAL_StatusTypeDef status = HAL_OK;
  OSPI_RegularCmdTypeDef  sCommand;
  uint8_t reg[2];

  /* Enable write operations ------------------------------------------ */
  sCommand.OperationType      = HAL_OSPI_OPTYPE_COMMON_CFG;
  sCommand.FlashId            = HAL_OSPI_FLASH_ID_1;
  sCommand.Instruction        = OCTAL_READ_STATUS_REG_CMD;
  sCommand.InstructionMode    = HAL_OSPI_INSTRUCTION_1_LINE;
  sCommand.InstructionSize    = HAL_OSPI_INSTRUCTION_8_BITS;
  sCommand.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE;
  sCommand.Address            = 0x0;
  sCommand.AddressMode        = HAL_OSPI_ADDRESS_NONE;
  sCommand.AddressSize        = HAL_OSPI_ADDRESS_24_BITS;
  sCommand.AddressDtrMode     = HAL_OSPI_ADDRESS_DTR_DISABLE;
  sCommand.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE;
  sCommand.DataMode       	  = HAL_OSPI_DATA_1_LINE;
  sCommand.DataDtrMode        = HAL_OSPI_DATA_DTR_DISABLE;
  sCommand.DummyCycles        = 0;
  sCommand.DQSMode            = HAL_OSPI_DQS_DISABLE;
  sCommand.SIOOMode           = HAL_OSPI_SIOO_INST_EVERY_CMD;
  sCommand.NbData         	  = 1;

  if (HAL_OSPI_Command(hospi, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
  {
    Error_Handler();
  }

  if (HAL_OSPI_Receive(hospi, reg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
  {
    Error_Handler();
  }
  if ((reg[0] & QUAD_ENABLE_MASK_VALUE) != QUAD_ENABLE_MATCH_VALUE)
	  status = HAL_ERROR;
  return status;
}

/* 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 */
  __disable_irq();
  while (1)
  {
  }
  /* 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,
     ex: 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****/