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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. long 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_USART1_UART_Init(void);
  95. static void MX_USART2_UART_Init(void);
  96.  
  97. void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
  98.                
  99.  
  100. /* USER CODE BEGIN PFP */
  101. /* Private function prototypes -----------------------------------------------*/
  102.  
  103. /* USER CODE END PFP */
  104.  
  105. /* USER CODE BEGIN 0 */
  106.  
  107. void ConfigureDMA(void) {
  108.         hdma_adc.Instance = DMA1_Channel1;
  109.         hdma_adc.Init.Direction = DMA_PERIPH_TO_MEMORY;
  110.         hdma_adc.Init.PeriphInc = DMA_PINC_DISABLE;
  111.         hdma_adc.Init.MemInc = DMA_MINC_ENABLE;
  112.         hdma_adc.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
  113.         hdma_adc.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
  114.         hdma_adc.Init.Mode = DMA_CIRCULAR; // make the DMA loop automatically
  115.         hdma_adc.Init.Priority = DMA_PRIORITY_LOW;
  116.         HAL_DMA_Init(&hdma_adc);
  117.         __HAL_LINKDMA(&hadc, DMA_Handle, hdma_adc);
  118.  
  119. }
  120.  
  121. void plx_sendword(int x) {
  122.         PutCharSerial(&uc1, ((x) >> 6) & 0x3F);
  123.         PutCharSerial(&uc1, (x) & 0x3F);
  124. }
  125.  
  126. void ProcessRPM(int instance) {
  127. // compute the timer values
  128. // snapshot timers
  129.         unsigned long RPM_Pulsewidth;
  130.         unsigned long RPM_Count_Val;
  131.         __disable_irq(); // copy the counter value
  132.         RPM_Count_Val = RPM_Count;
  133.         __enable_irq();
  134. // do calculations
  135. // if there is only one entry, cannot get difference
  136.         if (RPM_Count_Latch != RPM_Count_Val) {
  137.                 while (1) {
  138.                         unsigned int base_time;
  139.                         unsigned int new_time;
  140.                         // if we are at N-1, stop.
  141.                         unsigned int next_count = RPM_Count_Latch + 1;
  142.                         if (next_count == RPM_SAMPLES) {
  143.                                 next_count = 0;
  144.                         }
  145.                         if (next_count == RPM_Count_Val) {
  146.                                 break;
  147.                         }
  148.                         base_time = RPM_Time[RPM_Count_Latch];
  149.                         new_time = RPM_Time[next_count];
  150.                         RPM_Count_Latch = next_count;
  151.                         if (new_time > base_time) {
  152.                                 RPM_Pulsewidth = new_time - base_time; // not wrapped
  153.                         } else {
  154.                                 RPM_Pulsewidth = new_time + (~base_time) + 1; // deal with wrapping
  155.                         }
  156.  
  157.                         RPM_Diff += RPM_Pulsewidth;
  158.                         // need to check if this is a long pulse. If it is, keep the answer
  159.                         if (RPM_Pulsewidth > BREAKER_MIN) {
  160.                                 RPM_Pulsecount++; // count one pulse
  161.                                 RPM_FilteredWidth += RPM_Diff; // add its width to the accumulator
  162.                                 RPM_Diff = 0; // reset accumulator of all the narrow widths
  163.                         }
  164.                 }
  165.  
  166.         }
  167.  
  168.         if (RPM_Pulsecount > 0) {
  169.  
  170.                 // now have time for N pulses in clocks
  171.                 // need to scale by 19.55: one unit is 19.55 RPM
  172.                 // 1Hz is 60 RPM
  173.                 Coded_RPM = (30.0 / 19.55 * RPM_Pulsecount * RPM_COUNT_RATE)
  174.                                 / (RPM_FilteredWidth) + 0.5;
  175. #if !defined MY_DEBUG
  176.                 // reset here unless we want to debug
  177.                 RPM_Pulsecount = 0;
  178.                 RPM_FilteredWidth = 0;
  179. #endif
  180.         }
  181.  
  182. // send the current RPM calculation
  183.         plx_sendword(PLX_RPM);
  184.         PutCharSerial(&uc1, instance);
  185.         plx_sendword(Coded_RPM);
  186. }
  187.  
  188. uint8_t CHT_Timer = 0;
  189.  
  190. // this uses a MAX6675 which is a simple 16 bit read
  191. // SPI is configured for 8 bits so I can use an OLED display if I need it
  192. // must wait > 0.22 seconds between conversion attempts as this is the measurement time
  193. //
  194. void ProcessCHT(int instance)
  195. {
  196.         uint8_t buffer[2];
  197.         CHT_Timer++;
  198.         if(CHT_Timer >= 3) // every 300 milliseconds
  199.  
  200.         {
  201.                 CHT_Timer=0;
  202.  
  203.                    HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_RESET);
  204.  
  205.  
  206.                    HAL_Delay(1);
  207.  
  208.                    HAL_SPI_Receive(&hspi1, buffer, 2, 2);
  209.  
  210.  
  211.  
  212.                    uint16_t obs = (buffer[0]<<8)| buffer[1];
  213.  
  214.                    uint8_t  good = (obs & 4)==0;
  215.                    if(good)
  216.                    {
  217.                      Coded_CHT = obs>>5;
  218.                    }
  219.                    else
  220.                    {
  221.                           Coded_CHT= 1000; // signal fail
  222.                    }
  223.         }
  224.  
  225.         plx_sendword(PLX_EGT);
  226.         PutCharSerial(&uc1, instance);
  227.         plx_sendword(Coded_CHT);
  228.         PutCharSerial(&uc2,Coded_CHT + 32);
  229.            HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_SET);
  230.  
  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_USART1_UART_Init();
  258.   MX_USART2_UART_Init();
  259.  
  260.   /* USER CODE BEGIN 2 */
  261.  
  262.         __HAL_RCC_SPI1_CLK_ENABLE()
  263.         ;   // Temp sensor port
  264.         __HAL_RCC_USART1_CLK_ENABLE()
  265.         ; // PLX comms port
  266.         __HAL_RCC_USART2_CLK_ENABLE()
  267.         ;  // Debug comms port
  268.  
  269.         __HAL_RCC_ADC1_CLK_ENABLE()
  270.         ; // enable the ADC
  271.  
  272.         __HAL_RCC_TIM6_CLK_ENABLE()
  273.         ;
  274.  
  275.         ConfigureDMA();
  276.         //   HAL_ADC_Start_DMA(&g_AdcHandle, g_ADCBuffer, ADC_BUFFER_LENGTH);
  277.  
  278.         /* setup the USART control blocks */
  279.         init_usart_ctl(&uc1, huart1.Instance);
  280.         init_usart_ctl(&uc2, huart2.Instance);
  281.  
  282.         EnableSerialRxInterrupt(&uc1);
  283.         EnableSerialRxInterrupt(&uc2);
  284.  
  285.         HAL_TIM_Base_Start_IT(&htim6);
  286.  
  287.         PutCharSerial(&uc2, 'A');
  288.  
  289.   /* USER CODE END 2 */
  290.  
  291.   /* Infinite loop */
  292.   /* USER CODE BEGIN WHILE */
  293.         while (1) {
  294.   /* USER CODE END WHILE */
  295.  
  296.   /* USER CODE BEGIN 3 */
  297.      // check to see if we have any incoming data, copy and append if so, if no data then create our own frames.
  298.                 int c;
  299.                 char send = 0;
  300.  
  301.                 // poll the  input for a stop bit or timeout
  302.                 if(PollSerial(&uc1))
  303.                 {
  304.                   c = GetCharSerial(&uc1);
  305.                   if (c != PLX_Stop)
  306.                   {
  307.                                 PutCharSerial(&uc1,c); // echo all but the stop bit
  308.                   } else { // must be a stop character
  309.                                 send = 1; // start our sending process.
  310.                         }
  311.                 }
  312.  
  313.                 // sort out auto-sending
  314.                 if (TimerFlag)
  315.                 {
  316.                         TimerFlag = 0;
  317.                   if (NoSerialIn)
  318.                   {
  319.                         PutCharSerial(&uc1,PLX_Start);
  320.                         send = 1;
  321.                   }
  322.                 }
  323.                 if (send)
  324.                 {
  325.                   send = 0;
  326.  
  327.                  ProcessRPM(0);
  328.                  ProcessCHT(0);
  329.  
  330.                  PutCharSerial(&uc1,PLX_Stop);
  331.                 }
  332.  
  333.         }
  334.   /* USER CODE END 3 */
  335.  
  336. }
  337.  
  338. /** System Clock Configuration
  339. */
  340. void SystemClock_Config(void)
  341. {
  342.  
  343.   RCC_OscInitTypeDef RCC_OscInitStruct;
  344.   RCC_ClkInitTypeDef RCC_ClkInitStruct;
  345.  
  346.   __HAL_RCC_PWR_CLK_ENABLE();
  347.  
  348.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  349.  
  350.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  351.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  352.   RCC_OscInitStruct.HSICalibrationValue = 16;
  353.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  354.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  355.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  356.   RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
  357.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  358.   {
  359.     Error_Handler();
  360.   }
  361.  
  362.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  363.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  364.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  365.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  366.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  367.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  368.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  369.   {
  370.     Error_Handler();
  371.   }
  372.  
  373.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
  374.  
  375.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
  376.  
  377.   /* SysTick_IRQn interrupt configuration */
  378.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  379. }
  380.  
  381. /* ADC init function */
  382. static void MX_ADC_Init(void)
  383. {
  384.  
  385.   ADC_ChannelConfTypeDef sConfig;
  386.  
  387.     /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  388.     */
  389.   hadc.Instance = ADC1;
  390.   hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
  391.   hadc.Init.Resolution = ADC_RESOLUTION_12B;
  392.   hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  393.   hadc.Init.ScanConvMode = ADC_SCAN_ENABLE;
  394.   hadc.Init.EOCSelection = ADC_EOC_SEQ_CONV;
  395.   hadc.Init.LowPowerAutoWait = ADC_AUTOWAIT_DISABLE;
  396.   hadc.Init.LowPowerAutoPowerOff = ADC_AUTOPOWEROFF_DISABLE;
  397.   hadc.Init.ChannelsBank = ADC_CHANNELS_BANK_A;
  398.   hadc.Init.ContinuousConvMode = DISABLE;
  399.   hadc.Init.NbrOfConversion = 6;
  400.   hadc.Init.DiscontinuousConvMode = DISABLE;
  401.   hadc.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T6_TRGO;
  402.   hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
  403.   hadc.Init.DMAContinuousRequests = DISABLE;
  404.   if (HAL_ADC_Init(&hadc) != HAL_OK)
  405.   {
  406.     Error_Handler();
  407.   }
  408.  
  409.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  410.     */
  411.   sConfig.Channel = ADC_CHANNEL_10;
  412.   sConfig.Rank = 1;
  413.   sConfig.SamplingTime = ADC_SAMPLETIME_4CYCLES;
  414.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  415.   {
  416.     Error_Handler();
  417.   }
  418.  
  419.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  420.     */
  421.   sConfig.Channel = ADC_CHANNEL_11;
  422.   sConfig.Rank = 2;
  423.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  424.   {
  425.     Error_Handler();
  426.   }
  427.  
  428.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  429.     */
  430.   sConfig.Channel = ADC_CHANNEL_12;
  431.   sConfig.Rank = 3;
  432.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  433.   {
  434.     Error_Handler();
  435.   }
  436.  
  437.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  438.     */
  439.   sConfig.Channel = ADC_CHANNEL_13;
  440.   sConfig.Rank = 4;
  441.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  442.   {
  443.     Error_Handler();
  444.   }
  445.  
  446.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  447.     */
  448.   sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
  449.   sConfig.Rank = 5;
  450.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  451.   {
  452.     Error_Handler();
  453.   }
  454.  
  455.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  456.     */
  457.   sConfig.Channel = ADC_CHANNEL_VREFINT;
  458.   sConfig.Rank = 6;
  459.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  460.   {
  461.     Error_Handler();
  462.   }
  463.  
  464. }
  465.  
  466. /* SPI1 init function */
  467. static void MX_SPI1_Init(void)
  468. {
  469.  
  470.   hspi1.Instance = SPI1;
  471.   hspi1.Init.Mode = SPI_MODE_MASTER;
  472.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  473.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  474.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  475.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  476.   hspi1.Init.NSS = SPI_NSS_SOFT;
  477.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
  478.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  479.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  480.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  481.   hspi1.Init.CRCPolynomial = 10;
  482.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  483.   {
  484.     Error_Handler();
  485.   }
  486.  
  487. }
  488.  
  489. /* TIM2 init function */
  490. static void MX_TIM2_Init(void)
  491. {
  492.  
  493.   TIM_MasterConfigTypeDef sMasterConfig;
  494.   TIM_IC_InitTypeDef sConfigIC;
  495.   TIM_OC_InitTypeDef sConfigOC;
  496.  
  497.   htim2.Instance = TIM2;
  498.   htim2.Init.Prescaler = 320;
  499.   htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
  500.   htim2.Init.Period = 0;
  501.   htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  502.   if (HAL_TIM_IC_Init(&htim2) != HAL_OK)
  503.   {
  504.     Error_Handler();
  505.   }
  506.  
  507.   if (HAL_TIM_OC_Init(&htim2) != HAL_OK)
  508.   {
  509.     Error_Handler();
  510.   }
  511.  
  512.   if (HAL_TIM_PWM_Init(&htim2) != HAL_OK)
  513.   {
  514.     Error_Handler();
  515.   }
  516.  
  517.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  518.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  519.   if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
  520.   {
  521.     Error_Handler();
  522.   }
  523.  
  524.   sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
  525.   sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
  526.   sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
  527.   sConfigIC.ICFilter = 0;
  528.   if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)
  529.   {
  530.     Error_Handler();
  531.   }
  532.  
  533.   if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_2) != HAL_OK)
  534.   {
  535.     Error_Handler();
  536.   }
  537.  
  538.   sConfigOC.OCMode = TIM_OCMODE_TIMING;
  539.   sConfigOC.Pulse = 0;
  540.   sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
  541.   sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
  542.   if (HAL_TIM_OC_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
  543.   {
  544.     Error_Handler();
  545.   }
  546.  
  547.   sConfigOC.OCMode = TIM_OCMODE_PWM1;
  548.   if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
  549.   {
  550.     Error_Handler();
  551.   }
  552.  
  553.   HAL_TIM_MspPostInit(&htim2);
  554.  
  555. }
  556.  
  557. /* TIM6 init function */
  558. static void MX_TIM6_Init(void)
  559. {
  560.  
  561.   TIM_MasterConfigTypeDef sMasterConfig;
  562.  
  563.   htim6.Instance = TIM6;
  564.   htim6.Init.Prescaler = 3200;
  565.   htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
  566.   htim6.Init.Period = 1000;
  567.   if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
  568.   {
  569.     Error_Handler();
  570.   }
  571.  
  572.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  573.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  574.   if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
  575.   {
  576.     Error_Handler();
  577.   }
  578.  
  579. }
  580.  
  581. /* USART1 init function */
  582. static void MX_USART1_UART_Init(void)
  583. {
  584.  
  585.   huart1.Instance = USART1;
  586.   huart1.Init.BaudRate = 19200;
  587.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  588.   huart1.Init.StopBits = UART_STOPBITS_1;
  589.   huart1.Init.Parity = UART_PARITY_NONE;
  590.   huart1.Init.Mode = UART_MODE_TX_RX;
  591.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  592.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  593.   if (HAL_UART_Init(&huart1) != HAL_OK)
  594.   {
  595.     Error_Handler();
  596.   }
  597.  
  598. }
  599.  
  600. /* USART2 init function */
  601. static void MX_USART2_UART_Init(void)
  602. {
  603.  
  604.   huart2.Instance = USART2;
  605.   huart2.Init.BaudRate = 115200;
  606.   huart2.Init.WordLength = UART_WORDLENGTH_8B;
  607.   huart2.Init.StopBits = UART_STOPBITS_1;
  608.   huart2.Init.Parity = UART_PARITY_NONE;
  609.   huart2.Init.Mode = UART_MODE_TX_RX;
  610.   huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  611.   huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  612.   if (HAL_UART_Init(&huart2) != HAL_OK)
  613.   {
  614.     Error_Handler();
  615.   }
  616.  
  617. }
  618.  
  619. /**
  620.   * Enable DMA controller clock
  621.   */
  622. static void MX_DMA_Init(void)
  623. {
  624.   /* DMA controller clock enable */
  625.   __HAL_RCC_DMA1_CLK_ENABLE();
  626.  
  627.   /* DMA interrupt init */
  628.   /* DMA1_Channel1_IRQn interrupt configuration */
  629.   HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
  630.   HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
  631.  
  632. }
  633.  
  634. /** Configure pins as
  635.         * Analog
  636.         * Input
  637.         * Output
  638.         * EVENT_OUT
  639.         * EXTI
  640.         * Free pins are configured automatically as Analog (this feature is enabled through
  641.         * the Code Generation settings)
  642. */
  643. static void MX_GPIO_Init(void)
  644. {
  645.  
  646.   GPIO_InitTypeDef GPIO_InitStruct;
  647.  
  648.   /* GPIO Ports Clock Enable */
  649.   __HAL_RCC_GPIOC_CLK_ENABLE();
  650.   __HAL_RCC_GPIOH_CLK_ENABLE();
  651.   __HAL_RCC_GPIOA_CLK_ENABLE();
  652.   __HAL_RCC_GPIOB_CLK_ENABLE();
  653.   __HAL_RCC_GPIOD_CLK_ENABLE();
  654.  
  655.   /*Configure GPIO pins : PC13 PC14 PC15 PC6
  656.                            PC7 PC8 PC9 PC10
  657.                            PC11 PC12 */
  658.   GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_6
  659.                           |GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
  660.                           |GPIO_PIN_11|GPIO_PIN_12;
  661.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  662.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  663.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  664.  
  665.   /*Configure GPIO pins : PH0 PH1 */
  666.   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
  667.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  668.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  669.   HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
  670.  
  671.   /*Configure GPIO pins : PA0 PA1 PA8 PA11
  672.                            PA12 */
  673.   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_8|GPIO_PIN_11
  674.                           |GPIO_PIN_12;
  675.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  676.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  677.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  678.  
  679.   /*Configure GPIO pin : LED_Blink_Pin */
  680.   GPIO_InitStruct.Pin = LED_Blink_Pin;
  681.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  682.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  683.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  684.   HAL_GPIO_Init(LED_Blink_GPIO_Port, &GPIO_InitStruct);
  685.  
  686.   /*Configure GPIO pins : SPI_NSS1_Pin SPI1CD_Pin */
  687.   GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI1CD_Pin;
  688.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  689.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  690.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  691.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  692.  
  693.   /*Configure GPIO pins : SPI_RESET_Pin SPI_NS_Temp_Pin */
  694.   GPIO_InitStruct.Pin = SPI_RESET_Pin|SPI_NS_Temp_Pin;
  695.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  696.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  697.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  698.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  699.  
  700.   /*Configure GPIO pins : PB2 PB12 PB13 PB14
  701.                            PB15 PB4 PB5 PB6
  702.                            PB7 PB8 PB9 */
  703.   GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
  704.                           |GPIO_PIN_15|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6
  705.                           |GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
  706.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  707.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  708.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  709.  
  710.   /*Configure GPIO pin : PD2 */
  711.   GPIO_InitStruct.Pin = GPIO_PIN_2;
  712.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  713.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  714.   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
  715.  
  716.   /*Configure GPIO pin Output Level */
  717.   HAL_GPIO_WritePin(LED_Blink_GPIO_Port, LED_Blink_Pin, GPIO_PIN_RESET);
  718.  
  719.   /*Configure GPIO pin Output Level */
  720.   HAL_GPIO_WritePin(SPI_NSS1_GPIO_Port, SPI_NSS1_Pin, GPIO_PIN_SET);
  721.  
  722.   /*Configure GPIO pin Output Level */
  723.   HAL_GPIO_WritePin(SPI1CD_GPIO_Port, SPI1CD_Pin, GPIO_PIN_RESET);
  724.  
  725.   /*Configure GPIO pin Output Level */
  726.   HAL_GPIO_WritePin(SPI_RESET_GPIO_Port, SPI_RESET_Pin, GPIO_PIN_RESET);
  727.  
  728.   /*Configure GPIO pin Output Level */
  729.   HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_SET);
  730.  
  731. }
  732.  
  733. /* USER CODE BEGIN 4 */
  734.  
  735. /* USER CODE END 4 */
  736.  
  737. /**
  738.   * @brief  This function is executed in case of error occurrence.
  739.   * @param  None
  740.   * @retval None
  741.   */
  742. void Error_Handler(void)
  743. {
  744.   /* USER CODE BEGIN Error_Handler */
  745.         /* User can add his own implementation to report the HAL error return state */
  746.         while (1) {
  747.         }
  748.   /* USER CODE END Error_Handler */
  749. }
  750.  
  751. #ifdef USE_FULL_ASSERT
  752.  
  753. /**
  754.    * @brief Reports the name of the source file and the source line number
  755.    * where the assert_param error has occurred.
  756.    * @param file: pointer to the source file name
  757.    * @param line: assert_param error line source number
  758.    * @retval None
  759.    */
  760. void assert_failed(uint8_t* file, uint32_t line)
  761. {
  762.   /* USER CODE BEGIN 6 */
  763.         /* User can add his own implementation to report the file name and line number,
  764.          ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  765.   /* USER CODE END 6 */
  766.  
  767. }
  768.  
  769. #endif
  770.  
  771. /**
  772.   * @}
  773.   */
  774.  
  775. /**
  776.   * @}
  777. */
  778.  
  779. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  780.