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/* USER CODE BEGIN Header */

/**

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

  * @file           : main.c

  * @brief          : Main program body

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

  * @attention

  *

  * Copyright (c) 2023 STMicroelectronics.

  * All rights reserved.

  *

  * This software is licensed under terms that can be found in the LICENSE file

  * in the root directory of this software component.

  * If no LICENSE file comes with this software, it is provided AS-IS.

  *

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

  */

/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/

#include "main.h"

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

/* USER CODE BEGIN Includes */

#include "display.h"

#include "bmp280driver.h"

#include "libMisc/fixI2C.h"

#include "libPlx/plx.h"

#include "libSerial/serial.h"

#include "libIgnTiming/timing.h"

#include "libIgnTiming/edis.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 ---------------------------------------------------------*/

 CAN_HandleTypeDef hcan;

I2C_HandleTypeDef hi2c1;

IWDG_HandleTypeDef hiwdg;

SPI_HandleTypeDef hspi1;

TIM_HandleTypeDef htim1;

TIM_HandleTypeDef htim2;

TIM_HandleTypeDef htim3;

UART_HandleTypeDef huart2;

/* USER CODE BEGIN PV */

int const T100MS = 100;

// index for our MAP value (there is maybe another in the system)

char ourMAPindex = 0;

// compensated pressure in mb * 100

uint32_t comp_pres = 0;

// compensated temperature

int32_t comp_temp = -10000;

/* USER CODE END PV */

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

void SystemClock_Config(void);

static void MX_GPIO_Init(void);

static void MX_CAN_Init(void);

static void MX_I2C1_Init(void);

static void MX_TIM1_Init(void);

static void MX_TIM2_Init(void);

static void MX_SPI1_Init(void);

static void MX_USART2_UART_Init(void);

static void MX_TIM3_Init(void);

static void MX_IWDG_Init(void);

/* USER CODE BEGIN PFP */

void processObservations()

{

  // send MAP

  PLX_SensorInfo info;

  ConvToPLXInstance(ourMAPindex, &info);

  ConvToPLXAddr(PLX_MAP, &info);

  ConvToPLXReading(ConveriMFDData2Raw(PLX_MAP, PRESSURE_kPa, comp_pres / 1000.0), &info);

  int i;

  for (i = 0; i < sizeof(PLX_SensorInfo);++i)

    PutCharSerial(&uc2, info.bytes[i]);

}

void triggerSAW()

{

  ///@todo trigger the PIP signal on Timer 2

}

/* 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_CAN_Init();

  MX_I2C1_Init();

  MX_TIM1_Init();

  MX_TIM2_Init();

  MX_SPI1_Init();

  MX_USART2_UART_Init();

  MX_TIM3_Init();

  MX_IWDG_Init();

  /* USER CODE BEGIN 2 */

  cc_init();

  HAL_I2C_ClearBusyFlagErrata_2_14_7(&hi2c1);

  MX_I2C1_Init();

  init_bmp(&hi2c1);

  uint32_t lastTick = HAL_GetTick();

  uint32_t displayOff = lastTick + 10000;

  uint8_t intensity = 2;

  uint32_t timeout = 0;

  uint8_t send = 0; // enable sending our PLX data when non zero

  ResetRxBuffer(&uc2);

  // used to store data

  PLX_SensorInfo info;

  int infoCount = -1;

  HAL_IWDG_Init(&hiwdg);

  /* USER CODE END 2 */

  /* Infinite loop */

  /* USER CODE BEGIN WHILE */

  while (1)

  {

    int button = HAL_GPIO_ReadPin(PUSHBUTTON_GPIO_Port, PUSHBUTTON_Pin) == GPIO_PIN_RESET;

    if (button)

    {

      intensity = 2;

      displayOff = lastTick + 10000;

    }

    switch (intensity)

    {

    case 2:

      if (HAL_GetTick() > displayOff)

      {

        intensity = 1;

        displayOff = lastTick + 60000;

      }

      break;

    case 1:

      if (HAL_GetTick() > displayOff)

      {

        intensity = 0;

      }

    default:

      break;

    }

    cc_display(0, intensity);

    if (HAL_GetTick() - lastTick > 200)

    {

      lastTick = HAL_GetTick();

      /* Reading the raw data from sensor */

      struct bmp280_uncomp_data ucomp_data;

      uint8_t rslt = bmp280_get_uncomp_data(&ucomp_data, &bmp);

      uint32_t comp_pres = 0;

      int32_t comp_temp = -10000;

      if (rslt == 0)

      {

        uint8_t rslt2 = bmp280_get_comp_pres_32bit(&comp_pres, ucomp_data.uncomp_press, &bmp);

        uint8_t rslt3 = bmp280_get_comp_temp_32bit(&comp_temp, ucomp_data.uncomp_temp, &bmp);

        if(rslt2==0  && rslt3 == 0)

        cc_feed_env(comp_pres, comp_temp);

      }

    }

    // compute RPM value, feed to display

    int rpm = 1000;

    cc_feed_rpm(rpm);

    // compute timing value, feed to display

    int timing = mapTiming(rpm, 1000 - comp_pres / 100);

    cc_feed_timing(timing);

    int microsecs = mapTimingToMicroseconds(timing,0);

    __HAL_TIM_SET_COMPARE(&htim1,TIM_CHANNEL_1,microsecs);

    __HAL_TIM_ENABLE(&htim2);

    /// @todo setup pulse width for EDIS control

    // Handle PLX

    // poll the  input for a stop bit or timeout

    if (PollSerial(&uc2))

    {

      timeout = HAL_GetTick() + T100MS * 2;

      char c = GetCharSerial(&uc2);

      if (c != PLX_Stop)

      {

        PutCharSerial(&uc2, c); // echo all but the stop bit

      }

      else

      {           // must be a stop character

        send = 1; // start our sending process.

      }

      // look up the i

      if (c == PLX_Start)

      {

        ourMAPindex = 0;

        infoCount = 0;

      }

      else

      {

        info.bytes[infoCount++] = c;

        // process the sensor info field

        if (infoCount == sizeof(PLX_SensorInfo))

        {

          infoCount = 0;

          int addr = ConvPLXAddr(&info);

          if (addr == PLX_MAP)

            ourMAPindex = info.Instance + 1;

        }

      }

      if (c == PLX_Stop)

        infoCount = -1;

    }

    // sort out auto-sending

    if (HAL_GetTick() > timeout)

    {

      timeout = HAL_GetTick() + T100MS;

      send = 1;

    }

    if (send)

    {

      send = 0;

      // send the observations

      processObservations();

      //

      PutCharSerial(&uc2, PLX_Stop);

    }

    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */

    HAL_IWDG_Refresh(&hiwdg);

  }

  /* USER CODE END 3 */

}

/**

  * @brief System Clock Configuration

  * @retval None

  */

void SystemClock_Config(void)

{

  RCC_OscInitTypeDef RCC_OscInitStruct = {0};

  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

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

  * in the RCC_OscInitTypeDef structure.

  */

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;

  RCC_OscInitStruct.HSEState = RCC_HSE_ON;

  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;

  RCC_OscInitStruct.HSIState = RCC_HSI_ON;

  RCC_OscInitStruct.LSIState = RCC_LSI_ON;

  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;

  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_DIV2;

  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)

  {

    Error_Handler();

  }

}

/**

  * @brief CAN Initialization Function

  * @param None

  * @retval None

  */

static void MX_CAN_Init(void)

{

  /* USER CODE BEGIN CAN_Init 0 */

  /* USER CODE END CAN_Init 0 */

  /* USER CODE BEGIN CAN_Init 1 */

  /* USER CODE END CAN_Init 1 */

  hcan.Instance = CAN1;

  hcan.Init.Prescaler = 18;

  hcan.Init.Mode = CAN_MODE_NORMAL;

  hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;

  hcan.Init.TimeSeg1 = CAN_BS1_3TQ;

  hcan.Init.TimeSeg2 = CAN_BS2_4TQ;

  hcan.Init.TimeTriggeredMode = DISABLE;

  hcan.Init.AutoBusOff = DISABLE;

  hcan.Init.AutoWakeUp = DISABLE;

  hcan.Init.AutoRetransmission = DISABLE;

  hcan.Init.ReceiveFifoLocked = DISABLE;

  hcan.Init.TransmitFifoPriority = DISABLE;

  if (HAL_CAN_Init(&hcan) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN CAN_Init 2 */

  /* USER CODE END CAN_Init 2 */

}

/**

  * @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 IWDG Initialization Function

  * @param None

  * @retval None

  */

static void MX_IWDG_Init(void)

{

  /* USER CODE BEGIN IWDG_Init 0 */

  /* USER CODE END IWDG_Init 0 */

  /* USER CODE BEGIN IWDG_Init 1 */

  /* USER CODE END IWDG_Init 1 */

  hiwdg.Instance = IWDG;

  hiwdg.Init.Prescaler = IWDG_PRESCALER_4;

  hiwdg.Init.Reload = 819;

  if (HAL_IWDG_Init(&hiwdg) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN IWDG_Init 2 */

  /* USER CODE END IWDG_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_64;

  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 TIM1 Initialization Function

  * @param None

  * @retval None

  */

static void MX_TIM1_Init(void)

{

  /* USER CODE BEGIN TIM1_Init 0 */

  /* USER CODE END TIM1_Init 0 */

  TIM_ClockConfigTypeDef sClockSourceConfig = {0};

  TIM_MasterConfigTypeDef sMasterConfig = {0};

  TIM_OC_InitTypeDef sConfigOC = {0};

  TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};

  /* USER CODE BEGIN TIM1_Init 1 */

  /* USER CODE END TIM1_Init 1 */

  htim1.Instance = TIM1;

  htim1.Init.Prescaler = 71;

  htim1.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim1.Init.Period = 65535;

  htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  htim1.Init.RepetitionCounter = 0;

  htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;

  if (HAL_TIM_Base_Init(&htim1) != HAL_OK)

  {

    Error_Handler();

  }

  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;

  if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)

  {

    Error_Handler();

  }

  if (HAL_TIM_OC_Init(&htim1) != HAL_OK)

  {

    Error_Handler();

  }

  if (HAL_TIM_OnePulse_Init(&htim1, TIM_OPMODE_SINGLE) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_OC1REF;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

  if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)

  {

    Error_Handler();

  }

  sConfigOC.OCMode = TIM_OCMODE_INACTIVE;

  sConfigOC.Pulse = 1;

  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;

  sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;

  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;

  sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;

  sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;

  if (HAL_TIM_OC_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)

  {

    Error_Handler();

  }

  __HAL_TIM_ENABLE_OCxPRELOAD(&htim1, TIM_CHANNEL_1);

  sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;

  sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;

  sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;

  sBreakDeadTimeConfig.DeadTime = 0;

  sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;

  sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;

  sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;

  if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN TIM1_Init 2 */

  /* USER CODE END TIM1_Init 2 */

  HAL_TIM_MspPostInit(&htim1);

}

/**

  * @brief TIM2 Initialization Function

  * @param None

  * @retval None

  */

static void MX_TIM2_Init(void)

{

  /* USER CODE BEGIN TIM2_Init 0 */

  /* USER CODE END TIM2_Init 0 */

  TIM_ClockConfigTypeDef sClockSourceConfig = {0};

  TIM_SlaveConfigTypeDef sSlaveConfig = {0};

  TIM_MasterConfigTypeDef sMasterConfig = {0};

  /* USER CODE BEGIN TIM2_Init 1 */

  /* USER CODE END TIM2_Init 1 */

  htim2.Instance = TIM2;

  htim2.Init.Prescaler = 71;

  htim2.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim2.Init.Period = 9;

  htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;

  if (HAL_TIM_Base_Init(&htim2) != HAL_OK)

  {

    Error_Handler();

  }

  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;

  if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)

  {

    Error_Handler();

  }

  if (HAL_TIM_OnePulse_Init(&htim2, TIM_OPMODE_SINGLE) != HAL_OK)

  {

    Error_Handler();

  }

  sSlaveConfig.SlaveMode = TIM_SLAVEMODE_TRIGGER;

  sSlaveConfig.InputTrigger = TIM_TS_ETRF;

  sSlaveConfig.TriggerPolarity = TIM_TRIGGERPOLARITY_INVERTED;

  sSlaveConfig.TriggerPrescaler = TIM_TRIGGERPRESCALER_DIV1;

  sSlaveConfig.TriggerFilter = 15;

  if (HAL_TIM_SlaveConfigSynchro(&htim2, &sSlaveConfig) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

  if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN TIM2_Init 2 */

  /* USER CODE END TIM2_Init 2 */

}

/**

  * @brief TIM3 Initialization Function

  * @param None

  * @retval None

  */

static void MX_TIM3_Init(void)

{

  /* USER CODE BEGIN TIM3_Init 0 */

  /* USER CODE END TIM3_Init 0 */

  TIM_ClockConfigTypeDef sClockSourceConfig = {0};

  TIM_MasterConfigTypeDef sMasterConfig = {0};

  /* USER CODE BEGIN TIM3_Init 1 */

  /* USER CODE END TIM3_Init 1 */

  htim3.Instance = TIM3;

  htim3.Init.Prescaler = 719;

  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim3.Init.Period = 10000;

  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;

  if (HAL_TIM_Base_Init(&htim3) != HAL_OK)

  {

    Error_Handler();

  }

  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;

  if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN TIM3_Init 2 */

  /* USER CODE END TIM3_Init 2 */

}

/**

  * @brief USART2 Initialization Function

  * @param None

  * @retval None

  */

static void MX_USART2_UART_Init(void)

{

  /* USER CODE BEGIN USART2_Init 0 */

  /* USER CODE END USART2_Init 0 */

  /* USER CODE BEGIN USART2_Init 1 */

  /* USER CODE END USART2_Init 1 */

  huart2.Instance = USART2;

  huart2.Init.BaudRate = 19200;

  huart2.Init.WordLength = UART_WORDLENGTH_8B;

  huart2.Init.StopBits = UART_STOPBITS_1;

  huart2.Init.Parity = UART_PARITY_NONE;

  huart2.Init.Mode = UART_MODE_TX_RX;

  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;

  huart2.Init.OverSampling = UART_OVERSAMPLING_16;

  if (HAL_UART_Init(&huart2) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN USART2_Init 2 */

  /* USER CODE END USART2_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_GPIOD_CLK_ENABLE();

  __HAL_RCC_GPIOA_CLK_ENABLE();

  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */

  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4|GPIO_PIN_6, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */

  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);

  /*Configure GPIO pins : PA4 PA6 */

  GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_6;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /*Configure GPIO pin : PB0 */

  GPIO_InitStruct.Pin = GPIO_PIN_0;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pin : PB12 */

  GPIO_InitStruct.Pin = GPIO_PIN_12;

  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

  GPIO_InitStruct.Pull = GPIO_PULLUP;

  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pin : PA9 */

  GPIO_InitStruct.Pin = GPIO_PIN_9;

  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

  GPIO_InitStruct.Pull = GPIO_PULLUP;

  HAL_GPIO_Init(GPIOA, &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 */

  __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 */