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  1. /* USER CODE BEGIN Header */
  2. /**
  3.  ******************************************************************************
  4.  * @file           : main.c
  5.  * @brief          : Main program body
  6.  ******************************************************************************
  7.  * @attention
  8.  *
  9.  * Copyright (c) 2023 STMicroelectronics.
  10.  * All rights reserved.
  11.  *
  12.  * This software is licensed under terms that can be found in the LICENSE file
  13.  * in the root directory of this software component.
  14.  * If no LICENSE file comes with this software, it is provided AS-IS.
  15.  *
  16.  ******************************************************************************
  17.  */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"
  21.  
  22. /* Private includes ----------------------------------------------------------*/
  23. /* USER CODE BEGIN Includes */
  24. #include "display.h"
  25. #include "bmp280driver.h"
  26. #include "libMisc/fixI2C.h"
  27. #include "libPlx/plx.h"
  28. #include "libSerial/serial.h"
  29. #include "libIgnTiming/timing.h"
  30. #include "libIgnTiming/edis.h"
  31. /* USER CODE END Includes */
  32.  
  33. /* Private typedef -----------------------------------------------------------*/
  34. /* USER CODE BEGIN PTD */
  35.  
  36. /* USER CODE END PTD */
  37.  
  38. /* Private define ------------------------------------------------------------*/
  39. /* USER CODE BEGIN PD */
  40. /* USER CODE END PD */
  41.  
  42. /* Private macro -------------------------------------------------------------*/
  43. /* USER CODE BEGIN PM */
  44. /* USER CODE END PM */
  45.  
  46. /* Private variables ---------------------------------------------------------*/
  47.  CAN_HandleTypeDef hcan;
  48.  
  49. I2C_HandleTypeDef hi2c1;
  50.  
  51. IWDG_HandleTypeDef hiwdg;
  52.  
  53. SPI_HandleTypeDef hspi1;
  54.  
  55. TIM_HandleTypeDef htim1;
  56. TIM_HandleTypeDef htim2;
  57. TIM_HandleTypeDef htim3;
  58.  
  59. UART_HandleTypeDef huart2;
  60.  
  61. /* USER CODE BEGIN PV */
  62. int const T100MS = 100;
  63. // index for our MAP value (there is maybe another in the system)
  64. char ourMAPindex = 0;
  65.  
  66. // compensated pressure in mb * 100
  67. uint32_t comp_pres = 0;
  68. // compensated temperature
  69. int32_t comp_temp = -10000;
  70. /* USER CODE END PV */
  71.  
  72. /* Private function prototypes -----------------------------------------------*/
  73. void SystemClock_Config(void);
  74. static void MX_GPIO_Init(void);
  75. static void MX_CAN_Init(void);
  76. static void MX_I2C1_Init(void);
  77. static void MX_TIM1_Init(void);
  78. static void MX_TIM2_Init(void);
  79. static void MX_SPI1_Init(void);
  80. static void MX_USART2_UART_Init(void);
  81. static void MX_TIM3_Init(void);
  82. static void MX_IWDG_Init(void);
  83. /* USER CODE BEGIN PFP */
  84.  
  85. void processObservations()
  86. {
  87.   // send MAP
  88.   PLX_SensorInfo info;
  89.   ConvToPLXInstance(ourMAPindex, &info);
  90.   ConvToPLXAddr(PLX_MAP, &info);
  91.   ConvToPLXReading(ConveriMFDData2Raw(PLX_MAP, PRESSURE_kPa, comp_pres / 1000.0), &info);
  92.   int i;
  93.   for (i = 0; i < sizeof(PLX_SensorInfo);++i)
  94.     PutCharSerial(&uc2, info.bytes[i]);
  95. }
  96.  
  97. /* USER CODE END PFP */
  98.  
  99. /* Private user code ---------------------------------------------------------*/
  100. /* USER CODE BEGIN 0 */
  101.  
  102. /* USER CODE END 0 */
  103.  
  104. /**
  105.   * @brief  The application entry point.
  106.   * @retval int
  107.   */
  108. int main(void)
  109. {
  110.   /* USER CODE BEGIN 1 */
  111.  
  112.   /* USER CODE END 1 */
  113.  
  114.   /* MCU Configuration--------------------------------------------------------*/
  115.  
  116.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  117.   HAL_Init();
  118.  
  119.   /* USER CODE BEGIN Init */
  120.  
  121.   /* USER CODE END Init */
  122.  
  123.   /* Configure the system clock */
  124.   SystemClock_Config();
  125.  
  126.   /* USER CODE BEGIN SysInit */
  127.  
  128.   /* USER CODE END SysInit */
  129.  
  130.   /* Initialize all configured peripherals */
  131.   MX_GPIO_Init();
  132.   MX_CAN_Init();
  133.   MX_I2C1_Init();
  134.   MX_TIM1_Init();
  135.   MX_TIM2_Init();
  136.   MX_SPI1_Init();
  137.   MX_USART2_UART_Init();
  138.   MX_TIM3_Init();
  139.   MX_IWDG_Init();
  140.   /* USER CODE BEGIN 2 */
  141.   cc_init();
  142.  
  143.   HAL_I2C_ClearBusyFlagErrata_2_14_7(&hi2c1);
  144.   MX_I2C1_Init();
  145.   init_bmp(&hi2c1);
  146.   uint32_t lastTick = HAL_GetTick();
  147.  
  148.   uint32_t displayOff = lastTick + 10000;
  149.   uint8_t intensity = 2;
  150.   uint32_t timeout = 0;
  151.   uint8_t send = 0; // enable sending our PLX data when non zero
  152.   ResetRxBuffer(&uc2);
  153.  
  154.   // used to store data
  155.   PLX_SensorInfo info;
  156.   int infoCount = -1;
  157.  
  158.   HAL_IWDG_Init(&hiwdg);
  159.   /* USER CODE END 2 */
  160.  
  161.   /* Infinite loop */
  162.   /* USER CODE BEGIN WHILE */
  163.   while (1)
  164.   {
  165.     int button = HAL_GPIO_ReadPin(PUSHBUTTON_GPIO_Port, PUSHBUTTON_Pin) == GPIO_PIN_RESET;
  166.  
  167.     if (button)
  168.     {
  169.       intensity = 2;
  170.       displayOff = lastTick + 10000;
  171.     }
  172.  
  173.     switch (intensity)
  174.     {
  175.     case 2:
  176.       if (HAL_GetTick() > displayOff)
  177.       {
  178.         intensity = 1;
  179.         displayOff = lastTick + 60000;
  180.       }
  181.  
  182.       break;
  183.     case 1:
  184.       if (HAL_GetTick() > displayOff)
  185.       {
  186.         intensity = 0;
  187.       }
  188.     default:
  189.       break;
  190.     }
  191.     cc_display(0, intensity);
  192.  
  193.     if (HAL_GetTick() - lastTick > 200)
  194.     {
  195.       lastTick = HAL_GetTick();
  196.       /* Reading the raw data from sensor */
  197.       struct bmp280_uncomp_data ucomp_data;
  198.       uint8_t rslt = bmp280_get_uncomp_data(&ucomp_data, &bmp);
  199.  
  200.       uint32_t comp_pres = 0;
  201.       int32_t comp_temp = -10000;
  202.       if (rslt == 0)
  203.       {
  204.         uint8_t rslt2 = bmp280_get_comp_pres_32bit(&comp_pres, ucomp_data.uncomp_press, &bmp);
  205.  
  206.         uint8_t rslt3 = bmp280_get_comp_temp_32bit(&comp_temp, ucomp_data.uncomp_temp, &bmp);
  207.         if(rslt2==0  && rslt3 == 0)
  208.         cc_feed_env(comp_pres, comp_temp);
  209.       }
  210.     }
  211.  
  212.     // compute RPM value, feed to display
  213.  
  214.     int rpm = 1000;
  215.     cc_feed_rpm(rpm);
  216.     // compute timing value, feed to display
  217.     int timing = mapTiming(rpm, 1000 - comp_pres / 100);
  218.     cc_feed_timing(timing);
  219.     int microsecs = mapTimingToMicroseconds(timing,0);
  220.     __HAL_TIM_SET_COMPARE(&htim1,TIM_CHANNEL_1,microsecs);
  221.    
  222.     __HAL_TIM_ENABLE(&htim2);
  223.  
  224.     /// @todo setup pulse width for EDIS control
  225.     // Handle PLX
  226.     // poll the  input for a stop bit or timeout
  227.     if (PollSerial(&uc2))
  228.     {
  229.       timeout = HAL_GetTick() + T100MS * 2;
  230.       char c = GetCharSerial(&uc2);
  231.       if (c != PLX_Stop)
  232.       {
  233.         PutCharSerial(&uc2, c); // echo all but the stop bit
  234.       }
  235.       else
  236.       {           // must be a stop character
  237.         send = 1; // start our sending process.
  238.       }
  239.       // look up the i
  240.       if (c == PLX_Start)
  241.       {
  242.         ourMAPindex = 0;
  243.         infoCount = 0;
  244.       }
  245.       else
  246.       {
  247.         info.bytes[infoCount++] = c;
  248.         // process the sensor info field
  249.         if (infoCount == sizeof(PLX_SensorInfo))
  250.         {
  251.           infoCount = 0;
  252.           int addr = ConvPLXAddr(&info);
  253.           if (addr == PLX_MAP)
  254.             ourMAPindex = info.Instance + 1;
  255.         }
  256.       }
  257.  
  258.       if (c == PLX_Stop)
  259.         infoCount = -1;
  260.     }
  261.  
  262.     // sort out auto-sending
  263.     if (HAL_GetTick() > timeout)
  264.     {
  265.       timeout = HAL_GetTick() + T100MS;
  266.       send = 1;
  267.     }
  268.  
  269.     if (send)
  270.     {
  271.       send = 0;
  272.  
  273.       // send the observations
  274.       processObservations();
  275.       //
  276.       PutCharSerial(&uc2, PLX_Stop);
  277.     }
  278.  
  279.     /* USER CODE END WHILE */
  280.  
  281.     /* USER CODE BEGIN 3 */
  282.     HAL_IWDG_Refresh(&hiwdg);
  283.   }
  284.   /* USER CODE END 3 */
  285. }
  286.  
  287. /**
  288.   * @brief System Clock Configuration
  289.   * @retval None
  290.   */
  291. void SystemClock_Config(void)
  292. {
  293.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  294.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  295.  
  296.   /** Initializes the RCC Oscillators according to the specified parameters
  297.   * in the RCC_OscInitTypeDef structure.
  298.   */
  299.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
  300.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  301.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  302.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  303.   RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  304.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  305.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  306.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  307.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  308.   {
  309.     Error_Handler();
  310.   }
  311.  
  312.   /** Initializes the CPU, AHB and APB buses clocks
  313.   */
  314.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  315.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  316.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  317.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  318.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  319.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  320.  
  321.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  322.   {
  323.     Error_Handler();
  324.   }
  325. }
  326.  
  327. /**
  328.   * @brief CAN Initialization Function
  329.   * @param None
  330.   * @retval None
  331.   */
  332. static void MX_CAN_Init(void)
  333. {
  334.  
  335.   /* USER CODE BEGIN CAN_Init 0 */
  336.  
  337.   /* USER CODE END CAN_Init 0 */
  338.  
  339.   /* USER CODE BEGIN CAN_Init 1 */
  340.  
  341.   /* USER CODE END CAN_Init 1 */
  342.   hcan.Instance = CAN1;
  343.   hcan.Init.Prescaler = 18;
  344.   hcan.Init.Mode = CAN_MODE_NORMAL;
  345.   hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
  346.   hcan.Init.TimeSeg1 = CAN_BS1_3TQ;
  347.   hcan.Init.TimeSeg2 = CAN_BS2_4TQ;
  348.   hcan.Init.TimeTriggeredMode = DISABLE;
  349.   hcan.Init.AutoBusOff = DISABLE;
  350.   hcan.Init.AutoWakeUp = DISABLE;
  351.   hcan.Init.AutoRetransmission = DISABLE;
  352.   hcan.Init.ReceiveFifoLocked = DISABLE;
  353.   hcan.Init.TransmitFifoPriority = DISABLE;
  354.   if (HAL_CAN_Init(&hcan) != HAL_OK)
  355.   {
  356.     Error_Handler();
  357.   }
  358.   /* USER CODE BEGIN CAN_Init 2 */
  359.  
  360.   /* USER CODE END CAN_Init 2 */
  361.  
  362. }
  363.  
  364. /**
  365.   * @brief I2C1 Initialization Function
  366.   * @param None
  367.   * @retval None
  368.   */
  369. static void MX_I2C1_Init(void)
  370. {
  371.  
  372.   /* USER CODE BEGIN I2C1_Init 0 */
  373.  
  374.   /* USER CODE END I2C1_Init 0 */
  375.  
  376.   /* USER CODE BEGIN I2C1_Init 1 */
  377.  
  378.   /* USER CODE END I2C1_Init 1 */
  379.   hi2c1.Instance = I2C1;
  380.   hi2c1.Init.ClockSpeed = 100000;
  381.   hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
  382.   hi2c1.Init.OwnAddress1 = 0;
  383.   hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  384.   hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  385.   hi2c1.Init.OwnAddress2 = 0;
  386.   hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  387.   hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  388.   if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  389.   {
  390.     Error_Handler();
  391.   }
  392.   /* USER CODE BEGIN I2C1_Init 2 */
  393.  
  394.   /* USER CODE END I2C1_Init 2 */
  395.  
  396. }
  397.  
  398. /**
  399.   * @brief IWDG Initialization Function
  400.   * @param None
  401.   * @retval None
  402.   */
  403. static void MX_IWDG_Init(void)
  404. {
  405.  
  406.   /* USER CODE BEGIN IWDG_Init 0 */
  407.  
  408.   /* USER CODE END IWDG_Init 0 */
  409.  
  410.   /* USER CODE BEGIN IWDG_Init 1 */
  411.  
  412.   /* USER CODE END IWDG_Init 1 */
  413.   hiwdg.Instance = IWDG;
  414.   hiwdg.Init.Prescaler = IWDG_PRESCALER_4;
  415.   hiwdg.Init.Reload = 4095;
  416.   if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
  417.   {
  418.     Error_Handler();
  419.   }
  420.   /* USER CODE BEGIN IWDG_Init 2 */
  421.  
  422.   /* USER CODE END IWDG_Init 2 */
  423.  
  424. }
  425.  
  426. /**
  427.   * @brief SPI1 Initialization Function
  428.   * @param None
  429.   * @retval None
  430.   */
  431. static void MX_SPI1_Init(void)
  432. {
  433.  
  434.   /* USER CODE BEGIN SPI1_Init 0 */
  435.  
  436.   /* USER CODE END SPI1_Init 0 */
  437.  
  438.   /* USER CODE BEGIN SPI1_Init 1 */
  439.  
  440.   /* USER CODE END SPI1_Init 1 */
  441.   /* SPI1 parameter configuration*/
  442.   hspi1.Instance = SPI1;
  443.   hspi1.Init.Mode = SPI_MODE_MASTER;
  444.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  445.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  446.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  447.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  448.   hspi1.Init.NSS = SPI_NSS_SOFT;
  449.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  450.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  451.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  452.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  453.   hspi1.Init.CRCPolynomial = 10;
  454.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  455.   {
  456.     Error_Handler();
  457.   }
  458.   /* USER CODE BEGIN SPI1_Init 2 */
  459.  
  460.   /* USER CODE END SPI1_Init 2 */
  461.  
  462. }
  463.  
  464. /**
  465.   * @brief TIM1 Initialization Function
  466.   * @param None
  467.   * @retval None
  468.   */
  469. static void MX_TIM1_Init(void)
  470. {
  471.  
  472.   /* USER CODE BEGIN TIM1_Init 0 */
  473.  
  474.   /* USER CODE END TIM1_Init 0 */
  475.  
  476.   TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  477.   TIM_MasterConfigTypeDef sMasterConfig = {0};
  478.   TIM_OC_InitTypeDef sConfigOC = {0};
  479.   TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};
  480.  
  481.   /* USER CODE BEGIN TIM1_Init 1 */
  482.  
  483.   /* USER CODE END TIM1_Init 1 */
  484.   htim1.Instance = TIM1;
  485.   htim1.Init.Prescaler = 71;
  486.   htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
  487.   htim1.Init.Period = 65535;
  488.   htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  489.   htim1.Init.RepetitionCounter = 0;
  490.   htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  491.   if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
  492.   {
  493.     Error_Handler();
  494.   }
  495.   sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  496.   if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
  497.   {
  498.     Error_Handler();
  499.   }
  500.   if (HAL_TIM_OC_Init(&htim1) != HAL_OK)
  501.   {
  502.     Error_Handler();
  503.   }
  504.   if (HAL_TIM_OnePulse_Init(&htim1, TIM_OPMODE_SINGLE) != HAL_OK)
  505.   {
  506.     Error_Handler();
  507.   }
  508.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_OC1REF;
  509.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  510.   if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
  511.   {
  512.     Error_Handler();
  513.   }
  514.   sConfigOC.OCMode = TIM_OCMODE_INACTIVE;
  515.   sConfigOC.Pulse = 1;
  516.   sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
  517.   sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
  518.   sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
  519.   sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
  520.   sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
  521.   if (HAL_TIM_OC_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
  522.   {
  523.     Error_Handler();
  524.   }
  525.   __HAL_TIM_ENABLE_OCxPRELOAD(&htim1, TIM_CHANNEL_1);
  526.   sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
  527.   sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
  528.   sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
  529.   sBreakDeadTimeConfig.DeadTime = 0;
  530.   sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
  531.   sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
  532.   sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
  533.   if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)
  534.   {
  535.     Error_Handler();
  536.   }
  537.   /* USER CODE BEGIN TIM1_Init 2 */
  538.  
  539.   /* USER CODE END TIM1_Init 2 */
  540.   HAL_TIM_MspPostInit(&htim1);
  541.  
  542. }
  543.  
  544. /**
  545.   * @brief TIM2 Initialization Function
  546.   * @param None
  547.   * @retval None
  548.   */
  549. static void MX_TIM2_Init(void)
  550. {
  551.  
  552.   /* USER CODE BEGIN TIM2_Init 0 */
  553.  
  554.   /* USER CODE END TIM2_Init 0 */
  555.  
  556.   TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  557.   TIM_SlaveConfigTypeDef sSlaveConfig = {0};
  558.   TIM_MasterConfigTypeDef sMasterConfig = {0};
  559.  
  560.   /* USER CODE BEGIN TIM2_Init 1 */
  561.  
  562.   /* USER CODE END TIM2_Init 1 */
  563.   htim2.Instance = TIM2;
  564.   htim2.Init.Prescaler = 71;
  565.   htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
  566.   htim2.Init.Period = 9;
  567.   htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  568.   htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  569.   if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
  570.   {
  571.     Error_Handler();
  572.   }
  573.   sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  574.   if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
  575.   {
  576.     Error_Handler();
  577.   }
  578.   if (HAL_TIM_OnePulse_Init(&htim2, TIM_OPMODE_SINGLE) != HAL_OK)
  579.   {
  580.     Error_Handler();
  581.   }
  582.   sSlaveConfig.SlaveMode = TIM_SLAVEMODE_TRIGGER;
  583.   sSlaveConfig.InputTrigger = TIM_TS_ETRF;
  584.   sSlaveConfig.TriggerPolarity = TIM_TRIGGERPOLARITY_INVERTED;
  585.   sSlaveConfig.TriggerPrescaler = TIM_TRIGGERPRESCALER_DIV1;
  586.   sSlaveConfig.TriggerFilter = 15;
  587.   if (HAL_TIM_SlaveConfigSynchro(&htim2, &sSlaveConfig) != HAL_OK)
  588.   {
  589.     Error_Handler();
  590.   }
  591.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  592.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  593.   if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
  594.   {
  595.     Error_Handler();
  596.   }
  597.   /* USER CODE BEGIN TIM2_Init 2 */
  598.  
  599.   /* USER CODE END TIM2_Init 2 */
  600.  
  601. }
  602.  
  603. /**
  604.   * @brief TIM3 Initialization Function
  605.   * @param None
  606.   * @retval None
  607.   */
  608. static void MX_TIM3_Init(void)
  609. {
  610.  
  611.   /* USER CODE BEGIN TIM3_Init 0 */
  612.  
  613.   /* USER CODE END TIM3_Init 0 */
  614.  
  615.   TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  616.   TIM_MasterConfigTypeDef sMasterConfig = {0};
  617.  
  618.   /* USER CODE BEGIN TIM3_Init 1 */
  619.  
  620.   /* USER CODE END TIM3_Init 1 */
  621.   htim3.Instance = TIM3;
  622.   htim3.Init.Prescaler = 719;
  623.   htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
  624.   htim3.Init.Period = 10000;
  625.   htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  626.   htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  627.   if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
  628.   {
  629.     Error_Handler();
  630.   }
  631.   sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  632.   if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
  633.   {
  634.     Error_Handler();
  635.   }
  636.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  637.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  638.   if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
  639.   {
  640.     Error_Handler();
  641.   }
  642.   /* USER CODE BEGIN TIM3_Init 2 */
  643.  
  644.   /* USER CODE END TIM3_Init 2 */
  645.  
  646. }
  647.  
  648. /**
  649.   * @brief USART2 Initialization Function
  650.   * @param None
  651.   * @retval None
  652.   */
  653. static void MX_USART2_UART_Init(void)
  654. {
  655.  
  656.   /* USER CODE BEGIN USART2_Init 0 */
  657.  
  658.   /* USER CODE END USART2_Init 0 */
  659.  
  660.   /* USER CODE BEGIN USART2_Init 1 */
  661.  
  662.   /* USER CODE END USART2_Init 1 */
  663.   huart2.Instance = USART2;
  664.   huart2.Init.BaudRate = 19200;
  665.   huart2.Init.WordLength = UART_WORDLENGTH_8B;
  666.   huart2.Init.StopBits = UART_STOPBITS_1;
  667.   huart2.Init.Parity = UART_PARITY_NONE;
  668.   huart2.Init.Mode = UART_MODE_TX_RX;
  669.   huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  670.   huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  671.   if (HAL_UART_Init(&huart2) != HAL_OK)
  672.   {
  673.     Error_Handler();
  674.   }
  675.   /* USER CODE BEGIN USART2_Init 2 */
  676.  
  677.   /* USER CODE END USART2_Init 2 */
  678.  
  679. }
  680.  
  681. /**
  682.   * @brief GPIO Initialization Function
  683.   * @param None
  684.   * @retval None
  685.   */
  686. static void MX_GPIO_Init(void)
  687. {
  688.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  689.  
  690.   /* GPIO Ports Clock Enable */
  691.   __HAL_RCC_GPIOD_CLK_ENABLE();
  692.   __HAL_RCC_GPIOA_CLK_ENABLE();
  693.   __HAL_RCC_GPIOB_CLK_ENABLE();
  694.  
  695.   /*Configure GPIO pin Output Level */
  696.   HAL_GPIO_WritePin(GPIOA, SPI1_NSS_Pin|SPI1_RESET_Pin, GPIO_PIN_RESET);
  697.  
  698.   /*Configure GPIO pin Output Level */
  699.   HAL_GPIO_WritePin(SPI1_CD_GPIO_Port, SPI1_CD_Pin, GPIO_PIN_RESET);
  700.  
  701.   /*Configure GPIO pins : SPI1_NSS_Pin SPI1_RESET_Pin */
  702.   GPIO_InitStruct.Pin = SPI1_NSS_Pin|SPI1_RESET_Pin;
  703.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  704.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  705.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  706.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  707.  
  708.   /*Configure GPIO pin : SPI1_CD_Pin */
  709.   GPIO_InitStruct.Pin = SPI1_CD_Pin;
  710.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  711.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  712.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  713.   HAL_GPIO_Init(SPI1_CD_GPIO_Port, &GPIO_InitStruct);
  714.  
  715.   /*Configure GPIO pin : PUSHBUTTON_Pin */
  716.   GPIO_InitStruct.Pin = PUSHBUTTON_Pin;
  717.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  718.   GPIO_InitStruct.Pull = GPIO_PULLUP;
  719.   HAL_GPIO_Init(PUSHBUTTON_GPIO_Port, &GPIO_InitStruct);
  720.  
  721.   /*Configure GPIO pin : dualSpark_Pin */
  722.   GPIO_InitStruct.Pin = dualSpark_Pin;
  723.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  724.   GPIO_InitStruct.Pull = GPIO_PULLUP;
  725.   HAL_GPIO_Init(dualSpark_GPIO_Port, &GPIO_InitStruct);
  726.  
  727. }
  728.  
  729. /* USER CODE BEGIN 4 */
  730.  
  731. /* USER CODE END 4 */
  732.  
  733. /**
  734.   * @brief  This function is executed in case of error occurrence.
  735.   * @retval None
  736.   */
  737. void Error_Handler(void)
  738. {
  739.   /* USER CODE BEGIN Error_Handler_Debug */
  740.   /* User can add his own implementation to report the HAL error return state */
  741.   __disable_irq();
  742.   while (1)
  743.   {
  744.   }
  745.   /* USER CODE END Error_Handler_Debug */
  746. }
  747.  
  748. #ifdef  USE_FULL_ASSERT
  749. /**
  750.   * @brief  Reports the name of the source file and the source line number
  751.   *         where the assert_param error has occurred.
  752.   * @param  file: pointer to the source file name
  753.   * @param  line: assert_param error line source number
  754.   * @retval None
  755.   */
  756. void assert_failed(uint8_t *file, uint32_t line)
  757. {
  758.   /* USER CODE BEGIN 6 */
  759.   /* User can add his own implementation to report the file name and line number,
  760.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  761.   /* USER CODE END 6 */
  762. }
  763. #endif /* USE_FULL_ASSERT */
  764.