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/* USER CODE BEGIN Header */

/**

 ******************************************************************************

 * @file           : main.c

 * @brief          : Main program body

 ******************************************************************************

 * @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"

#include <stdlib.h>

/* Private includes ----------------------------------------------------------*/

/* USER CODE BEGIN Includes */

#include "libPLX/plx.h"

#include "libPLX/displayinfo.h"

#include "libPLX/commsLib.h"

#include "libSerial/serialUtils.H"

#include "libSmallPrintf/small_printf.h"

#include "libNMEA/nmea.h"

#include "switches.h"

#include <string.h>

/* 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;

SPI_HandleTypeDef hspi1;

TIM_HandleTypeDef htim2;

TIM_HandleTypeDef htim3;

TIM_HandleTypeDef htim9;

UART_HandleTypeDef huart4;

UART_HandleTypeDef huart1;

UART_HandleTypeDef huart2;

UART_HandleTypeDef huart3;

/* USER CODE BEGIN PV */

/* Private variables ---------------------------------------------------------*/

///@brief  timeout when the ignition is switched off

uint32_t const IGNITION_OFF_TIMEOUT = 30000UL;

/// @brief 1000mS per logger period, print average per period

uint32_t const LOGGER_INTERVAL = 250UL;

/// @brief  about 10 seconds after twiddle, save the dial position.

const int DialTimeout = 100;

/// @brief Unused Observation

uniqueObs_t const nullObs = {PLX_MAX_OBS,

                             PLX_MAX_INST};

/// @brief Null context

context_t const nullContext = {.knobPos = -1,

                               .dial_timer = 0,

                               .dial0 = -1,

                               .dial1 = -1,

                               .OldObservation = nullObs};

/// @brief Define a null item

info_t const nullInfo = {.Max = 0,

                         .Min = 0xFFF,

                         .sum = 0,

                         .count = 0,

                         .updated = 0,

                         .lastUpdated = 0,

                         .observation = nullObs};

context_t contexts[MAX_DISPLAYS];

/// @brief Data storage for readings

info_t Info[MAXRDG];

uint32_t Latch_Timer;

// location for GPS data

Location loc;

/// @brief Time when the logged data will be sent

uint32_t nextTickReload;

// data timeout

uint32_t dataTimeout = 0; //

// USART buffers

uint8_t uc1_tx_buffer[TX_USART_BUFF_SIZ];

uint8_t uc1_rx_buffer[RX_USART_BUFF_SIZ];

uint8_t uc2_tx_buffer[TX_USART_BUFF_SIZ];

uint8_t uc2_rx_buffer[RX_USART_BUFF_SIZ];

uint8_t uc3_tx_buffer[TX_USART_BUFF_SIZ];

uint8_t uc3_rx_buffer[RX_USART_BUFF_SIZ];

uint8_t uc4_tx_buffer[TX_USART_BUFF_SIZ];

uint8_t uc4_rx_buffer[RX_USART_BUFF_SIZ];

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/

void SystemClock_Config(void);

static void MX_GPIO_Init(void);

static void MX_SPI1_Init(void);

static void MX_USART1_UART_Init(void);

static void MX_USART2_UART_Init(void);

static void MX_USART3_UART_Init(void);

static void MX_TIM3_Init(void);

static void MX_TIM9_Init(void);

static void MX_TIM2_Init(void);

static void MX_UART4_Init(void);

static void MX_I2C1_Init(void);

/* USER CODE BEGIN PFP */

// the dial is the switch number we are using.

// suppress is the ItemIndex we wish to suppress on this display

int DisplayCurrent(int dial, int suppress)

{

  return cc_display(dial, suppress);

}

/// \note  HC-05 only accepts : 9600,19200,38400,57600,115200,230400,460800 baud

/// \brief Setup Bluetooth module

void initModule(struct usart_ctl *ctl, uint32_t baudRate)

{

  char initBuf[60];

  // switch to command mode

  HAL_GPIO_WritePin(BT_RESET_GPIO_Port, BT_RESET_Pin, GPIO_PIN_SET);

  HAL_Delay(500);

  // clear the button press

  HAL_GPIO_WritePin(BT_RESET_GPIO_Port, BT_RESET_Pin, GPIO_PIN_RESET);

  HAL_Delay(500);

  setBaud(ctl, 38400);

  int initLen = small_sprintf(initBuf, "AT\nAT+UART?\nAT+UART=%ld,0,0\n", baudRate);

  const char buf[] = "AT+RESET\n";

  sendString(ctl, initBuf, initLen);

  HAL_Delay(500);

  initLen = small_sprintf(initBuf, buf);

  sendString(ctl, initBuf, initLen);

  TxWaitEmpty(ctl);

  // switch back to normal comms at new baud rate

  setBaud(ctl, baudRate);

  HAL_Delay(100);

}

// workspace for RMC data read from GPS module.

volatile uint16_t rmc_length;

uint8_t rmc_callback(uint8_t *data, uint16_t length)

{

  // send it back out

  rmc_length = length;

  sendString(&uc3, (const char *)data, length);

  nextTickReload = HAL_GetTick() + LOGGER_INTERVAL;

  return 0;

}

// check if bluetooth connected

uint8_t btConnected()

{

  return HAL_GPIO_ReadPin(BT_STATE_GPIO_Port, BT_STATE_Pin) == GPIO_PIN_SET;

}

/// @brief return true if this slot is unused

/// @param ptr pointer to the slot to

uint8_t isUnused(int index)

{

  if (index < 0 || index > MAXRDG)

    return false;

  return Info[index].observation.Instance == PLX_MAX_INST && Info[index].observation.Obs == PLX_MAX_OBS;

}

/// @brief Determine if an entry is currently valid

/// @param index the number of the array entry to display

/// @return true if the entry contains data which is fresh

uint8_t isValid(int index)

{

  if (index < 0 || index > MAXRDG)

    return false;

  if (isUnused(index))

    return false;

  uint32_t age = HAL_GetTick() - Info[index].lastUpdated;

  if (age > 300)

    return false;

  return true;

}

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/

/* USER CODE BEGIN 0 */

void libPLXcallbackSendUserData(struct usart_ctl * instance)

{

  (void)instance;

}

void libPLXcallbackRecievedData(PLX_SensorInfo *info)

{

  // received some data , timeout is reset

  dataTimeout = 0;

  // search to see if the item already has a slot in the Info[] array

  // match the observation and instance: if found, update entry

  enum PLX_Observations observation = ConvPLX(info->AddrH,

                                              info->AddrL);

  char instance = info->Instance;

  int16_t data = ConvPLX(info->ReadingH,

                         info->ReadingL);

  // validate the current item, discard out of range

  if ((instance > PLX_MAX_INST) || (observation > PLX_MAX_OBS))

    return;

  // search for the item in the list

  int currentSlot;

  for (currentSlot = 0; currentSlot < MAXRDG; ++currentSlot)

  {

    if ((Info[currentSlot].observation.Obs == observation) && (Info[currentSlot].observation.Instance == instance))

      break;

  }

  // fallen off the end of the list of existing items without a match, so j points at next new item

  //

  // Find an unused slot

  if (currentSlot == MAXRDG)

  {

    int k;

    {

      for (k = 0; k < MAXRDG; ++k)

        if (!isValid(k))

        {

          currentSlot = k; // found a spare slot

          Info[currentSlot] = nullInfo;

          break;

        }

    }

    if (k == MAXRDG)

      return; // abandon this iteration

  }

  // give up if we are going to fall off the end of the array

  if (currentSlot >= MAXRDG)

    return;

  Info[currentSlot].observation.Obs = observation;

  Info[currentSlot].observation.Instance = instance;

  Info[currentSlot].data = data;

  if (data > Info[currentSlot].Max)

  {

    Info[currentSlot].Max = data;

  }

  if (data < Info[currentSlot].Min)

  {

    Info[currentSlot].Min = data;

  }

  // take an average

  Info[currentSlot].sum += data;

  Info[currentSlot].count++;

  // note the last update time

  Info[currentSlot].lastUpdated = HAL_GetTick();

  Info[currentSlot].updated = 1; // it has been updated

  // scan through and invalidate all old items

  for (int i = 0; i < MAXRDG; ++i)

  {

    if (!isValid(i))

      Info[i] = nullInfo;

  }

}

/* USER CODE END 0 */

/**

 * @brief  The application entry point.

 * @retval int

 */

int main(void)

{

  /* USER CODE BEGIN 1 */

  __HAL_RCC_SPI1_CLK_ENABLE();

  __HAL_RCC_USART1_CLK_ENABLE(); // PLX main port

  __HAL_RCC_USART2_CLK_ENABLE(); // debug port

  __HAL_RCC_USART3_CLK_ENABLE(); // Bluetooth port

  __HAL_RCC_UART4_CLK_ENABLE();  // NMEA0183 port

  __HAL_RCC_TIM3_CLK_ENABLE();

  __HAL_RCC_TIM9_CLK_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 */

  // Switch handler called on sysTick interrupt.

  InitSwitches();

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */

  MX_GPIO_Init();

  MX_SPI1_Init();

  MX_USART1_UART_Init();

  MX_USART2_UART_Init();

  MX_USART3_UART_Init();

  MX_TIM3_Init();

  MX_TIM9_Init();

  MX_TIM2_Init();

  MX_UART4_Init();

  MX_I2C1_Init();

  /* USER CODE BEGIN 2 */

  /* Turn on USART1 IRQ */

  HAL_NVIC_SetPriority(USART1_IRQn, 2, 0);

  HAL_NVIC_EnableIRQ(USART1_IRQn);

  /* Turn on USART2 IRQ  */

  HAL_NVIC_SetPriority(USART2_IRQn, 4, 0);

  HAL_NVIC_EnableIRQ(USART2_IRQn);

  /* turn on USART3 IRQ */

  HAL_NVIC_SetPriority(USART3_IRQn, 4, 0);

  HAL_NVIC_EnableIRQ(USART3_IRQn);

  /* turn on UART4 IRQ */

  HAL_NVIC_SetPriority(UART4_IRQn, 4, 0);

  HAL_NVIC_EnableIRQ(UART4_IRQn);

  /* setup the USART control blocks */

  init_usart_ctl(&uc1, &huart1, uc1_tx_buffer,

                 uc1_rx_buffer,

                 TX_USART_BUFF_SIZ,

                 TX_USART_BUFF_SIZ);

  init_usart_ctl(&uc2, &huart2, uc2_tx_buffer,

                 uc2_rx_buffer,

                 TX_USART_BUFF_SIZ,

                 TX_USART_BUFF_SIZ);

  init_usart_ctl(&uc3, &huart3, uc3_tx_buffer,

                 uc3_rx_buffer,

                 TX_USART_BUFF_SIZ,

                 TX_USART_BUFF_SIZ);

  init_usart_ctl(&uc4, &huart4, uc4_tx_buffer,

                 uc4_rx_buffer,

                 TX_USART_BUFF_SIZ,

                 TX_USART_BUFF_SIZ);

  EnableSerialRxInterrupt(&uc1);

  EnableSerialRxInterrupt(&uc2);

  EnableSerialRxInterrupt(&uc3);

  EnableSerialRxInterrupt(&uc4);

  HAL_TIM_Encoder_Start(&htim3, TIM_CHANNEL_ALL);

  HAL_TIM_Encoder_Start(&htim9, TIM_CHANNEL_ALL);

  initModule(&uc3, 38400);

  // Initialise UART for 4800 baud NMEA

  setBaud(&uc2, 4800);

  // Initialuse UART4 for 4800 baud NMEA.

  setBaud(&uc4, 4800);

  cc_init();

  for (int i = 0; i < MAX_DISPLAYS; ++i)

  {

    contexts[i] = nullContext; // set the knob position

  }

  /* reset the display timeout, latch on power from accessories */

  Latch_Timer = IGNITION_OFF_TIMEOUT;

  HAL_GPIO_WritePin(POWER_LATCH_GPIO_Port, POWER_LATCH_Pin, GPIO_PIN_RESET);

  /// @brief Time when the logged data will be sent

  setRmcCallback(&rmc_callback);

  // used in NMEA style logging

  uint32_t nextTick = 0; ///< time to send next

  nextTickReload = 0;

  uint32_t offsetTicks = 0; ///< time to print as offset in mS for each loop

  for (int i = 0; i < MAXRDG; ++i)

  {

    Info[i] = nullInfo;

  }

  uint32_t resetCounter = 0; // record time at which both reset buttons were first pressed.

  resetPLX();

  /* USER CODE END 2 */

  /* Infinite loop */

  /* USER CODE BEGIN WHILE */

  while (1)

  {

    /* while ignition is on, keep resetting power latch timer */

    if (HAL_GPIO_ReadPin(IGNITION_GPIO_Port, IGNITION_Pin) == GPIO_PIN_RESET)

    {

      Latch_Timer = HAL_GetTick() + IGNITION_OFF_TIMEOUT;

    }

    else

    {

      /* if the ignition has been off for a while, then turn off power */

      if (HAL_GetTick() > Latch_Timer)

      {

        HAL_GPIO_WritePin(POWER_LATCH_GPIO_Port, POWER_LATCH_Pin,

                          GPIO_PIN_RESET);

      }

    }

    // Handle the bluetooth pairing / reset function by pressing both buttons.

    if ((push_pos[0] == 1) && (push_pos[1] == 1))

    {

      HAL_GPIO_WritePin(BT_BUTTON_GPIO_Port, BT_BUTTON_Pin,

                        GPIO_PIN_RESET);

      if (resetCounter == 0)

        resetCounter = HAL_GetTick();

    }

    else

    {

      HAL_GPIO_WritePin(BT_BUTTON_GPIO_Port, BT_BUTTON_Pin,

                        GPIO_PIN_SET);

      if (resetCounter != 0)

      {

        // Held down reset button for 10 seconds, clear NVRAM.

        if ((HAL_GetTick() - resetCounter) > 10000)

        {

          for (int i = 0; i < MAX_DISPLAYS; i++)

          {

            contexts[i] = nullContext;

            contexts[i].dial_timer = 1; // timeout immediately when decremented

          }

          erase_nvram();

        }

        resetCounter = 0;

      }

    }

    // poll GPS Position/time on UART4

    (void)updateLocation(&loc, &uc4);

    if (loc.valid == 'V')

      memset(loc.time, '-', 6);

    // if permitted, log data from RMC packet

    if (btConnected())

    {

      // Timeout for data logging regularly

      if (HAL_GetTick() > nextTick)

      {

        nextTick = nextTickReload;

        nextTickReload += LOGGER_INTERVAL;

        // Send items  to BT if it is in connected state

        // print timestamp as a $PLTIM record.

        char linebuff[20];

        strftime(linebuff, sizeof(linebuff), "%H%M%S", &loc.tv);

        char outbuff[100];

        int cnt = small_sprintf(outbuff, "$PLTIM,%s.%03lu\n", linebuff, offsetTicks);

        sendString(&uc3, outbuff, cnt);

        offsetTicks += LOGGER_INTERVAL;

        // increment timer

        if (offsetTicks >= (1000))

        {

          offsetTicks -= 1000;

          loc.tv.tm_sec++;

          if (loc.tv.tm_sec >= 60)

          {

            loc.tv.tm_sec = 0;

            loc.tv.tm_min++;

            if (loc.tv.tm_min >= 60)

            {

              loc.tv.tm_hour++;

              if (loc.tv.tm_hour >= 24)

                loc.tv.tm_hour = 0;

            }

          }

        }

        for (int i = 0; i < MAXRDG; ++i)

        {

          if (!isValid(i))

            continue;

          // format output

          // avoid division by zero for items with no sample data this iteration

          if (Info[i].count == 0)

            continue;

          double average = (double)Info[i].sum / Info[i].count;

          enum PLX_Observations Observation = Info[i].observation.Obs;

          double cur_rdg = ConveriMFDRaw2Data((enum PLX_Observations)Observation, DisplayInfo[Observation].Units,

                                              average);

          int cnt;

          int intPart;

          // depending on digits after the decimal point,

          // choose how to format data

          switch (DisplayInfo[Observation].DP)

          {

          default:

          case 0:

            cnt = small_sprintf(outbuff,

                                "$PLLOG,%s,%d,%d",

                                DisplayInfo[Info[i].observation.Obs].name,

                                Info[i].observation.Instance,

                                (int)cur_rdg);

            break;

          case 1:

            intPart = (int)(cur_rdg * 10);

            cnt = small_sprintf(outbuff,

                                "$PLLOG,%s,%d,%d.%1d",

                                DisplayInfo[Info[i].observation.Obs].name,

                                Info[i].observation.Instance,

                                intPart / 10, abs(intPart) % 10);

            break;

          case 2:

            intPart = (int)(cur_rdg * 100);

            cnt = small_sprintf(outbuff,

                                "$PLLOG,%s,%d,%d.%02d",

                                DisplayInfo[Info[i].observation.Obs].name,

                                Info[i].observation.Instance,

                                intPart / 100, abs(intPart) % 100);

            break;

          }

          Info[i].count = 0;

          Info[i].sum = 0;

          // NMEA style checksum

          int ck;

          int sum = 0;

          for (ck = 1; ck < cnt; ck++)

            sum += outbuff[ck];

          cnt += small_sprintf(outbuff + cnt, "*%02X\n",

                               sum & 0xFF);

          sendString(&uc3, outbuff, cnt);

        }

      }

    }

    // poll data into libPLX

    libPLXpollData(&uc1);

    // determine if we are getting any data from the interface

    dataTimeout++;

    if (btConnected() && (dataTimeout % 1000 == 0))

    {

      const char msg[] = "Timeout\r\n";

      sendString(&uc3, msg, sizeof(msg));

    }

    if (dataTimeout > 60000)

    {

      // do turn off screen

    }

    // wait for a bit if nothing came in.

    HAL_Delay(1);

  }

  // handle switch rotation

  for (int i = 0; i < MAX_DIALS; ++i)

  {

    int delta = get_dial_diff(i);

    int pos = contexts[i].knobPos;

    if (pos < 0)

      break; // dont process until we have read NVRAM for the first time .

    int start = pos;

    // move in positive direction

    while (delta > 0)

    {

      // skip invalid items, dont count

      if (pos < MAXRDG - 1)

        pos++;

      else

        pos = 0;

      if (isValid(pos))

        delta--; // count a valid item

      // wrap

      if (pos == start)

        break;

    }

    // move in negative direction

    while (delta < 0)

    {

      // skip invalid items, dont count

      if (pos > 0)

        pos--;

      else

        pos = MAXRDG - 1;

      if (isValid(pos))

        delta++; // count a valid item

      // wrap

      if (pos == start)

        break;

    }

    contexts[i].knobPos = pos;

    if (pos != start)

      contexts[i].dial_timer = DialTimeout;

  }

  int suppress = -1;

  for (int i = 0; i < MAX_DISPLAYS; ++i)

  { // now to display the information

    suppress = DisplayCurrent(i, suppress);

    cc_check_nvram(i);

  }

  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */

  /* USER CODE END 3 */

}

/**

 * @brief System Clock Configuration

 * @retval None

 */

void SystemClock_Config(void)

{

  RCC_OscInitTypeDef RCC_OscInitStruct = {0};

  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage

   */

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  /** Initializes the RCC Oscillators according to the specified parameters

   * in the RCC_OscInitTypeDef structure.

   */

  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.PLLMUL = RCC_PLL_MUL12;

  RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;

  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_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != 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 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_1LINE;

  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;

  hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;

  hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;

  hspi1.Init.NSS = SPI_NSS_SOFT;

  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;

  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 TIM2 Initialization Function

 * @param None

 * @retval None