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  1. /**
  2.   ******************************************************************************
  3.   * File Name          : main.c
  4.   * Description        : Main program body
  5.   ******************************************************************************
  6.   *
  7.   * COPYRIGHT(c) 2016 STMicroelectronics
  8.   *
  9.   * Redistribution and use in source and binary forms, with or without modification,
  10.   * are permitted provided that the following conditions are met:
  11.   *   1. Redistributions of source code must retain the above copyright notice,
  12.   *      this list of conditions and the following disclaimer.
  13.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  14.   *      this list of conditions and the following disclaimer in the documentation
  15.   *      and/or other materials provided with the distribution.
  16.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  17.   *      may be used to endorse or promote products derived from this software
  18.   *      without specific prior written permission.
  19.   *
  20.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  27.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30.   *
  31.   ******************************************************************************
  32.   */
  33. /* Includes ------------------------------------------------------------------*/
  34. #include "stm32l1xx_hal.h"
  35.  
  36. /* USER CODE BEGIN Includes */
  37. #include "serial.h"
  38. #include "plx.h"
  39. #include "misc.h"
  40. /* USER CODE END Includes */
  41.  
  42. /* Private variables ---------------------------------------------------------*/
  43. ADC_HandleTypeDef hadc;
  44. DMA_HandleTypeDef hdma_adc;
  45.  
  46. SPI_HandleTypeDef hspi1;
  47.  
  48. TIM_HandleTypeDef htim2;
  49. TIM_HandleTypeDef htim6;
  50.  
  51. UART_HandleTypeDef huart1;
  52. UART_HandleTypeDef huart2;
  53.  
  54. /* USER CODE BEGIN PV */
  55. /* Private variables ---------------------------------------------------------*/
  56.  
  57.  
  58. // with a dwell angle of 45 degrees , 4 cylinders and a maximum RPM of 5000
  59. // freq = 5000/60 * 2 = 166Hz. Because the breaker might bounce , we accept the first pulse longer than 1/300 of a second as being a proper closure .
  60. // the TIM2 counter counts in 10uS increments,
  61.  
  62. #define BREAKER_MIN (RPM_COUNT_RATE/300)
  63.  
  64.  
  65. volatile char TimerFlag = 0;
  66.  
  67. volatile char NoSerialInCTR = 0; // Missing characters coming in on USART1
  68. volatile char NoSerialIn = 0;
  69.  
  70. // storage for ADC
  71. uint16_t  ADC_Samples[6];
  72.  
  73. // Rev counter processing from original RevCounter Project
  74. unsigned int RPM_Diff = 0;
  75. unsigned int RPM_Count_Latch = 0;
  76. // accumulators
  77. unsigned int RPM_Pulsecount = 0;
  78. unsigned int RPM_FilteredWidth = 0;
  79.  
  80. unsigned int Coded_RPM = 0;
  81. unsigned int Coded_CHT = 0;
  82.  
  83. /* USER CODE END PV */
  84.  
  85. /* Private function prototypes -----------------------------------------------*/
  86. void SystemClock_Config(void);
  87. void Error_Handler(void);
  88. static void MX_GPIO_Init(void);
  89. static void MX_DMA_Init(void);
  90. static void MX_ADC_Init(void);
  91. static void MX_SPI1_Init(void);
  92. static void MX_TIM2_Init(void);
  93. static void MX_TIM6_Init(void);
  94. static void MX_USART2_UART_Init(void);
  95. static void MX_USART1_UART_Init(void);
  96.  
  97. /* USER CODE BEGIN PFP */
  98. /* Private function prototypes -----------------------------------------------*/
  99.  
  100. /* USER CODE END PFP */
  101.  
  102. /* USER CODE BEGIN 0 */
  103.  
  104. void plx_sendword(int x) {
  105.         PutCharSerial(&uc1, ((x) >> 6) & 0x3F);
  106.         PutCharSerial(&uc1, (x) & 0x3F);
  107. }
  108.  
  109. void ProcessRPM(int instance) {
  110. // compute the timer values
  111. // snapshot timers
  112.         unsigned long RPM_Pulsewidth;
  113.         unsigned long RPM_Count_Val;
  114.         __disable_irq(); // copy the counter value
  115.         RPM_Count_Val = RPM_Count;
  116.         __enable_irq();
  117. // do calculations
  118. // if there is only one entry, cannot get difference
  119.         if (RPM_Count_Latch != RPM_Count_Val) {
  120.                 while (1) {
  121.                         unsigned int base_time;
  122.                         unsigned int new_time;
  123.                         // if we are at N-1, stop.
  124.                         unsigned int next_count = RPM_Count_Latch + 1;
  125.                         if (next_count == RPM_SAMPLES) {
  126.                                 next_count = 0;
  127.                         }
  128.                         if (next_count == RPM_Count_Val) {
  129.                                 break;
  130.                         }
  131.                         base_time = RPM_Time[RPM_Count_Latch];
  132.                         new_time = RPM_Time[next_count];
  133.                         RPM_Count_Latch = next_count;
  134.                         if (new_time > base_time) {
  135.                                 RPM_Pulsewidth = new_time - base_time; // not wrapped
  136.                         } else {
  137.                                 RPM_Pulsewidth = new_time - base_time + 65536; // deal with wrapping
  138.                         }
  139.  
  140.                         RPM_Diff += RPM_Pulsewidth;
  141.                         // need to check if this is a long pulse. If it is, keep the answer
  142.                         if (RPM_Pulsewidth > BREAKER_MIN) {
  143.                                 RPM_Pulsecount++; // count one pulse
  144.                                 RPM_FilteredWidth += RPM_Diff; // add its width to the accumulator
  145.                                 RPM_Diff = 0; // reset accumulator of all the narrow widths
  146.                         }
  147.                 }
  148.  
  149.         }
  150.  
  151.         if (RPM_Pulsecount > 0) {
  152.  
  153.                 // now have time for N pulses in clocks
  154.                 // need to scale by 19.55: one unit is 19.55 RPM
  155.                 // 1Hz is 60 RPM
  156.                 Coded_RPM = (30.0 / 19.55 * RPM_Pulsecount * RPM_COUNT_RATE)
  157.                                 / (RPM_FilteredWidth) + 0.5;
  158. #if !defined MY_DEBUG
  159.                 // reset here unless we want to debug
  160.                 RPM_Pulsecount = 0;
  161.                 RPM_FilteredWidth = 0;
  162. #endif
  163.         }
  164.  
  165. // send the current RPM calculation
  166.         plx_sendword(PLX_RPM);
  167.         PutCharSerial(&uc1, instance);
  168.         plx_sendword(Coded_RPM);
  169. }
  170.  
  171. uint8_t CHT_Timer = 0;
  172.  
  173. // this uses a MAX6675 which is a simple 16 bit read
  174. // SPI is configured for 8 bits so I can use an OLED display if I need it
  175. // must wait > 0.22 seconds between conversion attempts as this is the measurement time
  176. //
  177. void ProcessCHT(int instance)
  178. {
  179.         uint8_t buffer[2];
  180.         CHT_Timer++;
  181.         if(CHT_Timer >= 3) // every 300 milliseconds
  182.  
  183.         {
  184.                 CHT_Timer=0;
  185.  
  186.                    HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_RESET);
  187.  
  188.  
  189.                    HAL_Delay(1);
  190.  
  191.                    HAL_SPI_Receive(&hspi1, buffer, 2, 2);
  192.  
  193.  
  194.  
  195.                    uint16_t obs = (buffer[0]<<8)| buffer[1];
  196.  
  197.                    uint8_t  good = (obs & 4)==0;
  198.                    if(good)
  199.                    {
  200.                      Coded_CHT = obs>>5;
  201.                    }
  202.                    else
  203.                    {
  204.                           Coded_CHT= 1000; // signal fail
  205.                    }
  206.         }
  207.  
  208.         plx_sendword(PLX_X_CHT);
  209.         PutCharSerial(&uc1, instance);
  210.         plx_sendword(Coded_CHT);
  211.      HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_SET);
  212.  
  213. }
  214.  
  215. void ProcessBatteryVoltage(int instance)
  216. {
  217.         plx_sendword(PLX_Volts);
  218.         PutCharSerial(&uc1, instance);
  219.         plx_sendword(ADC_Samples[instance]);
  220.  
  221.  
  222.  
  223. }
  224.  
  225.  
  226. void ProcessTiming(int instance)
  227. {
  228.         plx_sendword(PLX_Timing);
  229.         PutCharSerial(&uc1, instance);
  230.         plx_sendword(64-15); // make it negative
  231. }
  232.  
  233. /* USER CODE END 0 */
  234.  
  235. int main(void)
  236. {
  237.  
  238.   /* USER CODE BEGIN 1 */
  239.  
  240.   /* USER CODE END 1 */
  241.  
  242.   /* MCU Configuration----------------------------------------------------------*/
  243.  
  244.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  245.   HAL_Init();
  246.  
  247.   /* Configure the system clock */
  248.   SystemClock_Config();
  249.  
  250.   /* Initialize all configured peripherals */
  251.   MX_GPIO_Init();
  252.   MX_DMA_Init();
  253.   MX_ADC_Init();
  254.   MX_SPI1_Init();
  255.   MX_TIM2_Init();
  256.   MX_TIM6_Init();
  257.   MX_USART2_UART_Init();
  258.   MX_USART1_UART_Init();
  259.  
  260.   /* USER CODE BEGIN 2 */
  261.         HAL_MspInit();
  262.  
  263. // Not using HAL USART code
  264.         __HAL_RCC_USART1_CLK_ENABLE()
  265.         ; // PLX comms port
  266.         __HAL_RCC_USART2_CLK_ENABLE()
  267.         ;  // Debug comms port
  268.         /* setup the USART control blocks */
  269.         init_usart_ctl(&uc1, huart1.Instance);
  270.         init_usart_ctl(&uc2, huart2.Instance);
  271.  
  272.         EnableSerialRxInterrupt(&uc1);
  273.         EnableSerialRxInterrupt(&uc2);
  274.  
  275.  
  276.         HAL_SPI_MspInit(&hspi1);
  277.  
  278.         HAL_ADC_MspInit(&hadc);
  279.  
  280.         HAL_ADC_Start_DMA(&hadc, ADC_Samples, 6);
  281.  
  282.          HAL_ADC_Start_IT(&hadc);
  283.  
  284.         HAL_TIM_Base_MspInit(&htim6);
  285.         HAL_TIM_Base_Start_IT(&htim6);
  286.  
  287. // initialise all the STMCubeMX stuff
  288.         HAL_TIM_Base_MspInit(&htim2);
  289. // Start the counter
  290.         HAL_TIM_Base_Start(&htim2);
  291. // Start the input capture and the interrupt
  292.         HAL_TIM_IC_Start_IT(&htim2,TIM_CHANNEL_1);
  293.  
  294.  
  295.   /* USER CODE END 2 */
  296.  
  297.   /* Infinite loop */
  298.   /* USER CODE BEGIN WHILE */
  299.         while (1) {
  300.   /* USER CODE END WHILE */
  301.  
  302.   /* USER CODE BEGIN 3 */
  303.      // check to see if we have any incoming data, copy and append if so, if no data then create our own frames.
  304.                 int c;
  305.                 char send = 0;
  306.  
  307.                 // poll the  input for a stop bit or timeout
  308.                 if(PollSerial(&uc1))
  309.                 {
  310.                   c = GetCharSerial(&uc1);
  311.                   if (c != PLX_Stop)
  312.                   {
  313.                                 PutCharSerial(&uc1,c); // echo all but the stop bit
  314.                   } else { // must be a stop character
  315.                                 send = 1; // start our sending process.
  316.                         }
  317.                 }
  318.  
  319.                 // sort out auto-sending
  320.                 if (TimerFlag)
  321.                 {
  322.                         TimerFlag = 0;
  323.                   if (NoSerialIn)
  324.                   {
  325.                         PutCharSerial(&uc1,PLX_Start);
  326.                         send = 1;
  327.                   }
  328.                 }
  329.                 if (send)
  330.                 {
  331.                   send = 0;
  332.  
  333.                   uint16_t val;
  334.                   val = __HAL_TIM_GET_COMPARE(&htim2,TIM_CHANNEL_1);
  335.           PutCharSerial(&uc2,(val&31) + 32);
  336.  
  337.  
  338.  
  339.   // send the observations
  340.                  ProcessRPM(0);
  341.                  ProcessCHT(0);
  342.                  ProcessBatteryVoltage(3);
  343.                  ProcessBatteryVoltage(1);
  344.  
  345.                  ProcessTiming(0);
  346.  
  347.                  PutCharSerial(&uc1,PLX_Stop);
  348.                 }
  349.  
  350.         }
  351.   /* USER CODE END 3 */
  352.  
  353. }
  354.  
  355. /** System Clock Configuration
  356. */
  357. void SystemClock_Config(void)
  358. {
  359.  
  360.   RCC_OscInitTypeDef RCC_OscInitStruct;
  361.   RCC_ClkInitTypeDef RCC_ClkInitStruct;
  362.  
  363.   __HAL_RCC_PWR_CLK_ENABLE();
  364.  
  365.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  366.  
  367.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  368.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  369.   RCC_OscInitStruct.HSICalibrationValue = 16;
  370.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  371.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  372.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  373.   RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
  374.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  375.   {
  376.     Error_Handler();
  377.   }
  378.  
  379.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  380.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  381.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  382.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  383.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  384.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  385.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  386.   {
  387.     Error_Handler();
  388.   }
  389.  
  390.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
  391.  
  392.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
  393.  
  394.   /* SysTick_IRQn interrupt configuration */
  395.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  396. }
  397.  
  398. /* ADC init function */
  399. static void MX_ADC_Init(void)
  400. {
  401.  
  402.   ADC_ChannelConfTypeDef sConfig;
  403.  
  404.     /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  405.     */
  406.   hadc.Instance = ADC1;
  407.   hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
  408.   hadc.Init.Resolution = ADC_RESOLUTION_12B;
  409.   hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  410.   hadc.Init.ScanConvMode = ADC_SCAN_ENABLE;
  411.   hadc.Init.EOCSelection = ADC_EOC_SEQ_CONV;
  412.   hadc.Init.LowPowerAutoWait = ADC_AUTOWAIT_DISABLE;
  413.   hadc.Init.LowPowerAutoPowerOff = ADC_AUTOPOWEROFF_DISABLE;
  414.   hadc.Init.ChannelsBank = ADC_CHANNELS_BANK_A;
  415.   hadc.Init.ContinuousConvMode = DISABLE;
  416.   hadc.Init.NbrOfConversion = 6;
  417.   hadc.Init.DiscontinuousConvMode = DISABLE;
  418.   hadc.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T6_TRGO;
  419.   hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
  420.   hadc.Init.DMAContinuousRequests = ENABLE;
  421.   if (HAL_ADC_Init(&hadc) != HAL_OK)
  422.   {
  423.     Error_Handler();
  424.   }
  425.  
  426.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  427.     */
  428.   sConfig.Channel = ADC_CHANNEL_10;
  429.   sConfig.Rank = 1;
  430.   sConfig.SamplingTime = ADC_SAMPLETIME_24CYCLES;
  431.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  432.   {
  433.     Error_Handler();
  434.   }
  435.  
  436.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  437.     */
  438.   sConfig.Channel = ADC_CHANNEL_11;
  439.   sConfig.Rank = 2;
  440.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  441.   {
  442.     Error_Handler();
  443.   }
  444.  
  445.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  446.     */
  447.   sConfig.Channel = ADC_CHANNEL_12;
  448.   sConfig.Rank = 3;
  449.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  450.   {
  451.     Error_Handler();
  452.   }
  453.  
  454.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  455.     */
  456.   sConfig.Channel = ADC_CHANNEL_13;
  457.   sConfig.Rank = 4;
  458.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  459.   {
  460.     Error_Handler();
  461.   }
  462.  
  463.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  464.     */
  465.   sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
  466.   sConfig.Rank = 5;
  467.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  468.   {
  469.     Error_Handler();
  470.   }
  471.  
  472.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  473.     */
  474.   sConfig.Channel = ADC_CHANNEL_VREFINT;
  475.   sConfig.Rank = 6;
  476.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  477.   {
  478.     Error_Handler();
  479.   }
  480.  
  481. }
  482.  
  483. /* SPI1 init function */
  484. static void MX_SPI1_Init(void)
  485. {
  486.  
  487.   hspi1.Instance = SPI1;
  488.   hspi1.Init.Mode = SPI_MODE_MASTER;
  489.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  490.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  491.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  492.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  493.   hspi1.Init.NSS = SPI_NSS_SOFT;
  494.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
  495.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  496.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  497.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  498.   hspi1.Init.CRCPolynomial = 10;
  499.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  500.   {
  501.     Error_Handler();
  502.   }
  503.  
  504. }
  505.  
  506. /* TIM2 init function */
  507. static void MX_TIM2_Init(void)
  508. {
  509.  
  510.   TIM_ClockConfigTypeDef sClockSourceConfig;
  511.   TIM_MasterConfigTypeDef sMasterConfig;
  512.   TIM_IC_InitTypeDef sConfigIC;
  513.  
  514.   htim2.Instance = TIM2;
  515.   htim2.Init.Prescaler = 320;
  516.   htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
  517.   htim2.Init.Period = 65535;
  518.   htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  519.   if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
  520.   {
  521.     Error_Handler();
  522.   }
  523.  
  524.   sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  525.   if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
  526.   {
  527.     Error_Handler();
  528.   }
  529.  
  530.   if (HAL_TIM_IC_Init(&htim2) != HAL_OK)
  531.   {
  532.     Error_Handler();
  533.   }
  534.  
  535.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  536.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  537.   if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
  538.   {
  539.     Error_Handler();
  540.   }
  541.  
  542.   sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
  543.   sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
  544.   sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
  545.   sConfigIC.ICFilter = 0;
  546.   if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)
  547.   {
  548.     Error_Handler();
  549.   }
  550.  
  551. }
  552.  
  553. /* TIM6 init function */
  554. static void MX_TIM6_Init(void)
  555. {
  556.  
  557.   TIM_MasterConfigTypeDef sMasterConfig;
  558.  
  559.   htim6.Instance = TIM6;
  560.   htim6.Init.Prescaler = 320;
  561.   htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
  562.   htim6.Init.Period = 9999;
  563.   if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
  564.   {
  565.     Error_Handler();
  566.   }
  567.  
  568.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  569.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  570.   if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
  571.   {
  572.     Error_Handler();
  573.   }
  574.  
  575. }
  576.  
  577. /* USART1 init function */
  578. static void MX_USART1_UART_Init(void)
  579. {
  580.  
  581.   huart1.Instance = USART1;
  582.   huart1.Init.BaudRate = 19200;
  583.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  584.   huart1.Init.StopBits = UART_STOPBITS_1;
  585.   huart1.Init.Parity = UART_PARITY_NONE;
  586.   huart1.Init.Mode = UART_MODE_TX_RX;
  587.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  588.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  589.   if (HAL_UART_Init(&huart1) != HAL_OK)
  590.   {
  591.     Error_Handler();
  592.   }
  593.  
  594. }
  595.  
  596. /* USART2 init function */
  597. static void MX_USART2_UART_Init(void)
  598. {
  599.  
  600.   huart2.Instance = USART2;
  601.   huart2.Init.BaudRate = 115200;
  602.   huart2.Init.WordLength = UART_WORDLENGTH_8B;
  603.   huart2.Init.StopBits = UART_STOPBITS_1;
  604.   huart2.Init.Parity = UART_PARITY_NONE;
  605.   huart2.Init.Mode = UART_MODE_TX_RX;
  606.   huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  607.   huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  608.   if (HAL_UART_Init(&huart2) != HAL_OK)
  609.   {
  610.     Error_Handler();
  611.   }
  612.  
  613. }
  614.  
  615. /**
  616.   * Enable DMA controller clock
  617.   */
  618. static void MX_DMA_Init(void)
  619. {
  620.   /* DMA controller clock enable */
  621.   __HAL_RCC_DMA1_CLK_ENABLE();
  622.  
  623.   /* DMA interrupt init */
  624.   /* DMA1_Channel1_IRQn interrupt configuration */
  625.   HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
  626.   HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
  627.  
  628. }
  629.  
  630. /** Configure pins as
  631.         * Analog
  632.         * Input
  633.         * Output
  634.         * EVENT_OUT
  635.         * EXTI
  636.         * Free pins are configured automatically as Analog (this feature is enabled through
  637.         * the Code Generation settings)
  638. */
  639. static void MX_GPIO_Init(void)
  640. {
  641.  
  642.   GPIO_InitTypeDef GPIO_InitStruct;
  643.  
  644.   /* GPIO Ports Clock Enable */
  645.   __HAL_RCC_GPIOC_CLK_ENABLE();
  646.   __HAL_RCC_GPIOH_CLK_ENABLE();
  647.   __HAL_RCC_GPIOA_CLK_ENABLE();
  648.   __HAL_RCC_GPIOB_CLK_ENABLE();
  649.   __HAL_RCC_GPIOD_CLK_ENABLE();
  650.  
  651.   /*Configure GPIO pins : PC13 PC14 PC15 PC6
  652.                            PC7 PC8 PC9 PC10
  653.                            PC11 PC12 */
  654.   GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_6
  655.                           |GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
  656.                           |GPIO_PIN_11|GPIO_PIN_12;
  657.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  658.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  659.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  660.  
  661.   /*Configure GPIO pins : PH0 PH1 */
  662.   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
  663.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  664.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  665.   HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
  666.  
  667.   /*Configure GPIO pins : PA0 PA1 PA8 PA11
  668.                            PA12 */
  669.   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_8|GPIO_PIN_11
  670.                           |GPIO_PIN_12;
  671.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  672.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  673.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  674.  
  675.   /*Configure GPIO pin : LED_Blink_Pin */
  676.   GPIO_InitStruct.Pin = LED_Blink_Pin;
  677.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  678.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  679.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  680.   HAL_GPIO_Init(LED_Blink_GPIO_Port, &GPIO_InitStruct);
  681.  
  682.   /*Configure GPIO pins : SPI_NSS1_Pin SPI1CD_Pin */
  683.   GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI1CD_Pin;
  684.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  685.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  686.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  687.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  688.  
  689.   /*Configure GPIO pins : SPI_RESET_Pin SPI_NS_Temp_Pin */
  690.   GPIO_InitStruct.Pin = SPI_RESET_Pin|SPI_NS_Temp_Pin;
  691.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  692.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  693.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  694.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  695.  
  696.   /*Configure GPIO pins : PB2 PB10 PB11 PB12
  697.                            PB13 PB14 PB15 PB3
  698.                            PB4 PB5 PB6 PB7
  699.                            PB8 PB9 */
  700.   GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12
  701.                           |GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_3
  702.                           |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7
  703.                           |GPIO_PIN_8|GPIO_PIN_9;
  704.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  705.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  706.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  707.  
  708.   /*Configure GPIO pin : PD2 */
  709.   GPIO_InitStruct.Pin = GPIO_PIN_2;
  710.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  711.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  712.   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
  713.  
  714.   /*Configure GPIO pin Output Level */
  715.   HAL_GPIO_WritePin(LED_Blink_GPIO_Port, LED_Blink_Pin, GPIO_PIN_RESET);
  716.  
  717.   /*Configure GPIO pin Output Level */
  718.   HAL_GPIO_WritePin(SPI_NSS1_GPIO_Port, SPI_NSS1_Pin, GPIO_PIN_SET);
  719.  
  720.   /*Configure GPIO pin Output Level */
  721.   HAL_GPIO_WritePin(SPI1CD_GPIO_Port, SPI1CD_Pin, GPIO_PIN_RESET);
  722.  
  723.   /*Configure GPIO pin Output Level */
  724.   HAL_GPIO_WritePin(SPI_RESET_GPIO_Port, SPI_RESET_Pin, GPIO_PIN_RESET);
  725.  
  726.   /*Configure GPIO pin Output Level */
  727.   HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_SET);
  728.  
  729. }
  730.  
  731. /* USER CODE BEGIN 4 */
  732.  
  733. /* USER CODE END 4 */
  734.  
  735. /**
  736.   * @brief  This function is executed in case of error occurrence.
  737.   * @param  None
  738.   * @retval None
  739.   */
  740. void Error_Handler(void)
  741. {
  742.   /* USER CODE BEGIN Error_Handler */
  743.         /* User can add his own implementation to report the HAL error return state */
  744.         while (1) {
  745.         }
  746.   /* USER CODE END Error_Handler */
  747. }
  748.  
  749. #ifdef USE_FULL_ASSERT
  750.  
  751. /**
  752.    * @brief Reports the name of the source file and the source line number
  753.    * where the assert_param error has occurred.
  754.    * @param file: pointer to the source file name
  755.    * @param line: assert_param error line source number
  756.    * @retval None
  757.    */
  758. void assert_failed(uint8_t* file, uint32_t line)
  759. {
  760.   /* USER CODE BEGIN 6 */
  761.         /* User can add his own implementation to report the file name and line number,
  762.          ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  763.   /* USER CODE END 6 */
  764.  
  765. }
  766.  
  767. #endif
  768.  
  769. /**
  770.   * @}
  771.   */
  772.  
  773. /**
  774.   * @}
  775. */
  776.  
  777. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  778.