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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. #define Scale 1024.0
  74. const float ADC_Scale = 3.3 / (Scale * 4096.0); // convert to a voltage
  75.  
  76. uint32_t  FILT_Samples[6]; // filtered ADC samples * 1024
  77. // Rev counter processing from original RevCounter Project
  78. unsigned int RPM_Diff = 0;
  79. unsigned int RPM_Count_Latch = 0;
  80. // accumulators
  81. unsigned int RPM_Pulsecount = 0;
  82. unsigned int RPM_FilteredWidth = 0;
  83.  
  84. unsigned int Coded_RPM = 0;
  85. unsigned int Coded_CHT = 0;
  86.  
  87. /* USER CODE END PV */
  88.  
  89. /* Private function prototypes -----------------------------------------------*/
  90. void SystemClock_Config(void);
  91. void Error_Handler(void);
  92. static void MX_GPIO_Init(void);
  93. static void MX_DMA_Init(void);
  94. static void MX_ADC_Init(void);
  95. static void MX_SPI1_Init(void);
  96. static void MX_TIM2_Init(void);
  97. static void MX_TIM6_Init(void);
  98. static void MX_USART2_UART_Init(void);
  99. static void MX_USART1_UART_Init(void);
  100.  
  101. /* USER CODE BEGIN PFP */
  102. /* Private function prototypes -----------------------------------------------*/
  103.  
  104. /* USER CODE END PFP */
  105.  
  106. /* USER CODE BEGIN 0 */
  107.  
  108. void plx_sendword(int x) {
  109.         PutCharSerial(&uc1, ((x) >> 6) & 0x3F);
  110.         PutCharSerial(&uc1, (x) & 0x3F);
  111. }
  112.  
  113. void init_ADC_filter()
  114. {
  115.         int i;
  116.          for(i=0;i<6;i++)
  117.          {
  118.                 FILT_Samples[i] = 0;
  119.          }
  120. }
  121.  
  122. void filter_ADC_samples()
  123. {
  124.  int i;
  125.  for(i=0;i<6;i++)
  126.  {
  127.         FILT_Samples[i] += (ADC_Samples[i] * Scale - FILT_Samples[i]) / 2;
  128.  }
  129.  
  130.  
  131.  
  132. }
  133.  
  134.  
  135. void ProcessRPM(int instance) {
  136. // compute the timer values
  137. // snapshot timers
  138.         unsigned long RPM_Pulsewidth;
  139.         unsigned long RPM_Count_Val;
  140.         __disable_irq(); // copy the counter value
  141.         RPM_Count_Val = RPM_Count;
  142.         __enable_irq();
  143. // do calculations
  144. // if there is only one entry, cannot get difference
  145.         if (RPM_Count_Latch != RPM_Count_Val) {
  146.                 while (1) {
  147.                         unsigned int base_time;
  148.                         unsigned int new_time;
  149.                         // if we are at N-1, stop.
  150.                         unsigned int next_count = RPM_Count_Latch + 1;
  151.                         if (next_count == RPM_SAMPLES) {
  152.                                 next_count = 0;
  153.                         }
  154.                         if (next_count == RPM_Count_Val) {
  155.                                 break;
  156.                         }
  157.                         base_time = RPM_Time[RPM_Count_Latch];
  158.                         new_time = RPM_Time[next_count];
  159.                         RPM_Count_Latch = next_count;
  160.                         if (new_time > base_time) {
  161.                                 RPM_Pulsewidth = new_time - base_time; // not wrapped
  162.                         } else {
  163.                                 RPM_Pulsewidth = new_time - base_time + 65536; // deal with wrapping
  164.                         }
  165.  
  166.                         RPM_Diff += RPM_Pulsewidth;
  167.                         // need to check if this is a long pulse. If it is, keep the answer
  168.                         if (RPM_Pulsewidth > BREAKER_MIN) {
  169.                                 RPM_Pulsecount++; // count one pulse
  170.                                 RPM_FilteredWidth += RPM_Diff; // add its width to the accumulator
  171.                                 RPM_Diff = 0; // reset accumulator of all the narrow widths
  172.                         }
  173.                 }
  174.  
  175.         }
  176.  
  177.         if (RPM_Pulsecount > 0) {
  178.  
  179.  
  180.  
  181.  
  182.                 // now have time for N pulses in clocks
  183.                 // need to scale by 19.55: one unit is 19.55 RPM
  184.                 // 1Hz is 60 RPM
  185.                 float new_RPM = (30.0 / 19.55 * RPM_Pulsecount * RPM_COUNT_RATE)
  186.                                                 / (RPM_FilteredWidth) + 0.5;
  187.  
  188.                 Coded_RPM += (new_RPM * Scale - Coded_RPM)/4;
  189.  
  190. #if !defined MY_DEBUG
  191.                 // reset here unless we want to debug
  192.                 RPM_Pulsecount = 0;
  193.                 RPM_FilteredWidth = 0;
  194. #endif
  195.         }
  196.  
  197. // send the current RPM *calculation
  198.         plx_sendword(PLX_RPM);
  199.         PutCharSerial(&uc1, instance);
  200.         plx_sendword(Coded_RPM/Scale);
  201. }
  202.  
  203. uint8_t CHT_Timer = 0;
  204.  
  205. // this uses a MAX6675 which is a simple 16 bit read
  206. // SPI is configured for 8 bits so I can use an OLED display if I need it
  207. // must wait > 0.22 seconds between conversion attempts as this is the measurement time
  208. //
  209. void ProcessCHT(int instance)
  210. {
  211.         uint8_t buffer[2];
  212.         CHT_Timer++;
  213.         if(CHT_Timer >= 3) // every 300 milliseconds
  214.  
  215.         {
  216.                 CHT_Timer=0;
  217.  
  218.                    HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_RESET);
  219.  
  220.                    HAL_SPI_Receive(&hspi1, buffer, 2, 2);
  221.  
  222.                    HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_SET);
  223.  
  224.  
  225.                    uint16_t obs = (buffer[0]<<8)| buffer[1];
  226.  
  227.                    uint8_t  good = (obs & 4)==0;
  228.                    if(good)
  229.                    {
  230.                      Coded_CHT = obs>>5;
  231.                    }
  232.                    else
  233.                    {
  234.                           Coded_CHT= 1024; // signal fail
  235.                    }
  236.         }
  237.  
  238.         plx_sendword(PLX_X_CHT);
  239.         PutCharSerial(&uc1, instance);
  240.         plx_sendword(Coded_CHT);
  241.  
  242. }
  243.  
  244. // 1023 is 20.00 volts.
  245. void ProcessBatteryVoltage(int instance)
  246. {
  247.     float reading = FILT_Samples[instance] * ADC_Scale ;
  248.     reading = reading * 7.8125; // real voltage
  249.     reading = reading * 51.15 ; // 1023/20
  250.  
  251.  
  252.         plx_sendword(PLX_Volts);
  253.         PutCharSerial(&uc1, instance);
  254.         plx_sendword((uint16_t)reading);
  255.  
  256.  
  257.  
  258. }
  259.  
  260. // the MAP sensor is giving us a reading of
  261. // 4.6 volts for 1019mB or 2.27 volts at the ADC input (resistive divider by 2.016)
  262. // I believe the sensor reads  4.5V at 1000kPa and 0.5V at  0kPa
  263.  
  264. void ProcessMAP(int instance)
  265. {
  266. // Using ADC_Samples[3] as the MAP input
  267.     float reading = FILT_Samples[3] * ADC_Scale;
  268.     reading = reading * 2.016; // real voltage
  269.     reading = (reading-0.5) * 1000/ 4;
  270.  
  271.         plx_sendword(PLX_MAP);
  272.         PutCharSerial(&uc1, instance);
  273.         plx_sendword((uint16_t)reading);
  274.  
  275.  
  276.  
  277. }
  278.  
  279. // the Oil pressi sensor is giving us a reading of
  280. // 4.5 volts for 100 PSI or  2.25 volts at the ADC input (resistive divider by 2.016)
  281. // I believe the sensor reads  4.5V at 100PSI and 0.5V at  0PSI
  282. // an observation of 1024 is 200PSI, so observation of 512 is 100 PSI.
  283.  
  284. void ProcessOilPress(int instance)
  285. {
  286. // Using ADC_Samples[2] as the MAP input
  287.     float reading = FILT_Samples[2] *  ADC_Scale ;
  288.     reading = reading * 2.00 ; // real voltage
  289.     reading = (reading-0.5) * 512 / 4;  // this is 1023 * 100/200
  290.  
  291.         plx_sendword(PLX_FluidPressure);
  292.         PutCharSerial(&uc1, instance);
  293.         plx_sendword((uint16_t)reading);
  294.  
  295.  
  296.  
  297. }
  298.  
  299.  
  300.  
  301. void ProcessTiming(int instance)
  302. {
  303.         plx_sendword(PLX_Timing);
  304.         PutCharSerial(&uc1, instance);
  305.         plx_sendword(64-15); // make it negative
  306. }
  307.  
  308.  
  309.  
  310. /* USER CODE END 0 */
  311.  
  312. int main(void)
  313. {
  314.  
  315.   /* USER CODE BEGIN 1 */
  316.  
  317.   /* USER CODE END 1 */
  318.  
  319.   /* MCU Configuration----------------------------------------------------------*/
  320.  
  321.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  322.   HAL_Init();
  323.  
  324.   /* Configure the system clock */
  325.   SystemClock_Config();
  326.  
  327.   /* Initialize all configured peripherals */
  328.   MX_GPIO_Init();
  329.   MX_DMA_Init();
  330.   MX_ADC_Init();
  331.   MX_SPI1_Init();
  332.   MX_TIM2_Init();
  333.   MX_TIM6_Init();
  334.   MX_USART2_UART_Init();
  335.   MX_USART1_UART_Init();
  336.  
  337.   /* USER CODE BEGIN 2 */
  338.         HAL_MspInit();
  339.  
  340. // Not using HAL USART code
  341.         __HAL_RCC_USART1_CLK_ENABLE()
  342.         ; // PLX comms port
  343.         __HAL_RCC_USART2_CLK_ENABLE()
  344.         ;  // Debug comms port
  345.         /* setup the USART control blocks */
  346.         init_usart_ctl(&uc1, huart1.Instance);
  347.         init_usart_ctl(&uc2, huart2.Instance);
  348.  
  349.         EnableSerialRxInterrupt(&uc1);
  350.         EnableSerialRxInterrupt(&uc2);
  351.  
  352.  
  353.         HAL_SPI_MspInit(&hspi1);
  354.  
  355.         HAL_ADC_MspInit(&hadc);
  356.  
  357.         HAL_ADC_Start_DMA(&hadc, ADC_Samples, 6);
  358.  
  359.          HAL_ADC_Start_IT(&hadc);
  360.  
  361.         HAL_TIM_Base_MspInit(&htim6);
  362.         HAL_TIM_Base_Start_IT(&htim6);
  363.  
  364. // initialise all the STMCubeMX stuff
  365.         HAL_TIM_Base_MspInit(&htim2);
  366. // Start the counter
  367.         HAL_TIM_Base_Start(&htim2);
  368. // Start the input capture and the interrupt
  369.         HAL_TIM_IC_Start_IT(&htim2,TIM_CHANNEL_1);
  370.  
  371.         init_ADC_filter();
  372.  
  373.   /* USER CODE END 2 */
  374.  
  375.   /* Infinite loop */
  376.   /* USER CODE BEGIN WHILE */
  377.         while (1) {
  378.   /* USER CODE END WHILE */
  379.  
  380.   /* USER CODE BEGIN 3 */
  381.      // check to see if we have any incoming data, copy and append if so, if no data then create our own frames.
  382.                 int c;
  383.                 char send = 0;
  384.  
  385.                 // poll the  input for a stop bit or timeout
  386.                 if(PollSerial(&uc1))
  387.                 {
  388.                   c = GetCharSerial(&uc1);
  389.                   if (c != PLX_Stop)
  390.                   {
  391.                                 PutCharSerial(&uc1,c); // echo all but the stop bit
  392.                   } else { // must be a stop character
  393.                                 send = 1; // start our sending process.
  394.                         }
  395.                 }
  396.  
  397.                 // sort out auto-sending
  398.                 if (TimerFlag)
  399.                 {
  400.                         TimerFlag = 0;
  401.                   if (NoSerialIn)
  402.                   {
  403.                         PutCharSerial(&uc1,PLX_Start);
  404.                         send = 1;
  405.                   }
  406.                 }
  407.                 if (send)
  408.                 {
  409.                   send = 0;
  410.  
  411.                   uint16_t val;
  412.                   val = __HAL_TIM_GET_COMPARE(&htim2,TIM_CHANNEL_1);
  413.           PutCharSerial(&uc2,(val&31) + 32);
  414.  
  415.  
  416.  
  417.   // send the observations
  418.          filter_ADC_samples();
  419.                  ProcessRPM(0);
  420.                  ProcessCHT(0);
  421.                  ProcessBatteryVoltage(0); // Batt 1
  422.                  ProcessBatteryVoltage(1); // Batt 2
  423. //               ProcessBatteryVoltage(2); // oil pressure
  424. //               ProcessBatteryVoltage(3); // MAP
  425.                  ProcessBatteryVoltage(4); // temperature sensor
  426. //               ProcessBatteryVoltage(5); // vrefint
  427.                  ProcessMAP(0);
  428.                  ProcessOilPress(0);
  429.                  ProcessTiming(0);
  430.  
  431.                  PutCharSerial(&uc1,PLX_Stop);
  432.                 }
  433.  
  434.         }
  435.   /* USER CODE END 3 */
  436.  
  437. }
  438.  
  439. /** System Clock Configuration
  440. */
  441. void SystemClock_Config(void)
  442. {
  443.  
  444.   RCC_OscInitTypeDef RCC_OscInitStruct;
  445.   RCC_ClkInitTypeDef RCC_ClkInitStruct;
  446.  
  447.   __HAL_RCC_PWR_CLK_ENABLE();
  448.  
  449.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  450.  
  451.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  452.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  453.   RCC_OscInitStruct.HSICalibrationValue = 16;
  454.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  455.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  456.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  457.   RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
  458.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  459.   {
  460.     Error_Handler();
  461.   }
  462.  
  463.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  464.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  465.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  466.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  467.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  468.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  469.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  470.   {
  471.     Error_Handler();
  472.   }
  473.  
  474.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
  475.  
  476.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
  477.  
  478.   /* SysTick_IRQn interrupt configuration */
  479.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  480. }
  481.  
  482. /* ADC init function */
  483. static void MX_ADC_Init(void)
  484. {
  485.  
  486.   ADC_ChannelConfTypeDef sConfig;
  487.  
  488.     /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  489.     */
  490.   hadc.Instance = ADC1;
  491.   hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
  492.   hadc.Init.Resolution = ADC_RESOLUTION_12B;
  493.   hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  494.   hadc.Init.ScanConvMode = ADC_SCAN_ENABLE;
  495.   hadc.Init.EOCSelection = ADC_EOC_SEQ_CONV;
  496.   hadc.Init.LowPowerAutoWait = ADC_AUTOWAIT_DISABLE;
  497.   hadc.Init.LowPowerAutoPowerOff = ADC_AUTOPOWEROFF_DISABLE;
  498.   hadc.Init.ChannelsBank = ADC_CHANNELS_BANK_A;
  499.   hadc.Init.ContinuousConvMode = DISABLE;
  500.   hadc.Init.NbrOfConversion = 6;
  501.   hadc.Init.DiscontinuousConvMode = DISABLE;
  502.   hadc.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T6_TRGO;
  503.   hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
  504.   hadc.Init.DMAContinuousRequests = ENABLE;
  505.   if (HAL_ADC_Init(&hadc) != HAL_OK)
  506.   {
  507.     Error_Handler();
  508.   }
  509.  
  510.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  511.     */
  512.   sConfig.Channel = ADC_CHANNEL_10;
  513.   sConfig.Rank = 1;
  514.   sConfig.SamplingTime = ADC_SAMPLETIME_384CYCLES;
  515.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  516.   {
  517.     Error_Handler();
  518.   }
  519.  
  520.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  521.     */
  522.   sConfig.Channel = ADC_CHANNEL_11;
  523.   sConfig.Rank = 2;
  524.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  525.   {
  526.     Error_Handler();
  527.   }
  528.  
  529.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  530.     */
  531.   sConfig.Channel = ADC_CHANNEL_12;
  532.   sConfig.Rank = 3;
  533.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  534.   {
  535.     Error_Handler();
  536.   }
  537.  
  538.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  539.     */
  540.   sConfig.Channel = ADC_CHANNEL_13;
  541.   sConfig.Rank = 4;
  542.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  543.   {
  544.     Error_Handler();
  545.   }
  546.  
  547.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  548.     */
  549.   sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
  550.   sConfig.Rank = 5;
  551.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  552.   {
  553.     Error_Handler();
  554.   }
  555.  
  556.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  557.     */
  558.   sConfig.Channel = ADC_CHANNEL_VREFINT;
  559.   sConfig.Rank = 6;
  560.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  561.   {
  562.     Error_Handler();
  563.   }
  564.  
  565. }
  566.  
  567. /* SPI1 init function */
  568. static void MX_SPI1_Init(void)
  569. {
  570.  
  571.   hspi1.Instance = SPI1;
  572.   hspi1.Init.Mode = SPI_MODE_MASTER;
  573.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  574.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  575.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  576.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  577.   hspi1.Init.NSS = SPI_NSS_SOFT;
  578.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
  579.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  580.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  581.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  582.   hspi1.Init.CRCPolynomial = 10;
  583.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  584.   {
  585.     Error_Handler();
  586.   }
  587.  
  588. }
  589.  
  590. /* TIM2 init function */
  591. static void MX_TIM2_Init(void)
  592. {
  593.  
  594.   TIM_ClockConfigTypeDef sClockSourceConfig;
  595.   TIM_MasterConfigTypeDef sMasterConfig;
  596.   TIM_IC_InitTypeDef sConfigIC;
  597.  
  598.   htim2.Instance = TIM2;
  599.   htim2.Init.Prescaler = 320;
  600.   htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
  601.   htim2.Init.Period = 65535;
  602.   htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  603.   if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
  604.   {
  605.     Error_Handler();
  606.   }
  607.  
  608.   sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  609.   if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
  610.   {
  611.     Error_Handler();
  612.   }
  613.  
  614.   if (HAL_TIM_IC_Init(&htim2) != HAL_OK)
  615.   {
  616.     Error_Handler();
  617.   }
  618.  
  619.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  620.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  621.   if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
  622.   {
  623.     Error_Handler();
  624.   }
  625.  
  626.   sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
  627.   sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
  628.   sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
  629.   sConfigIC.ICFilter = 0;
  630.   if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)
  631.   {
  632.     Error_Handler();
  633.   }
  634.  
  635. }
  636.  
  637. /* TIM6 init function */
  638. static void MX_TIM6_Init(void)
  639. {
  640.  
  641.   TIM_MasterConfigTypeDef sMasterConfig;
  642.  
  643.   htim6.Instance = TIM6;
  644.   htim6.Init.Prescaler = 320;
  645.   htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
  646.   htim6.Init.Period = 9999;
  647.   if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
  648.   {
  649.     Error_Handler();
  650.   }
  651.  
  652.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  653.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  654.   if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
  655.   {
  656.     Error_Handler();
  657.   }
  658.  
  659. }
  660.  
  661. /* USART1 init function */
  662. static void MX_USART1_UART_Init(void)
  663. {
  664.  
  665.   huart1.Instance = USART1;
  666.   huart1.Init.BaudRate = 19200;
  667.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  668.   huart1.Init.StopBits = UART_STOPBITS_1;
  669.   huart1.Init.Parity = UART_PARITY_NONE;
  670.   huart1.Init.Mode = UART_MODE_TX_RX;
  671.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  672.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  673.   if (HAL_UART_Init(&huart1) != HAL_OK)
  674.   {
  675.     Error_Handler();
  676.   }
  677.  
  678. }
  679.  
  680. /* USART2 init function */
  681. static void MX_USART2_UART_Init(void)
  682. {
  683.  
  684.   huart2.Instance = USART2;
  685.   huart2.Init.BaudRate = 115200;
  686.   huart2.Init.WordLength = UART_WORDLENGTH_8B;
  687.   huart2.Init.StopBits = UART_STOPBITS_1;
  688.   huart2.Init.Parity = UART_PARITY_NONE;
  689.   huart2.Init.Mode = UART_MODE_TX_RX;
  690.   huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  691.   huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  692.   if (HAL_UART_Init(&huart2) != HAL_OK)
  693.   {
  694.     Error_Handler();
  695.   }
  696.  
  697. }
  698.  
  699. /**
  700.   * Enable DMA controller clock
  701.   */
  702. static void MX_DMA_Init(void)
  703. {
  704.   /* DMA controller clock enable */
  705.   __HAL_RCC_DMA1_CLK_ENABLE();
  706.  
  707.   /* DMA interrupt init */
  708.   /* DMA1_Channel1_IRQn interrupt configuration */
  709.   HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
  710.   HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
  711.  
  712. }
  713.  
  714. /** Configure pins as
  715.         * Analog
  716.         * Input
  717.         * Output
  718.         * EVENT_OUT
  719.         * EXTI
  720.         * Free pins are configured automatically as Analog (this feature is enabled through
  721.         * the Code Generation settings)
  722. */
  723. static void MX_GPIO_Init(void)
  724. {
  725.  
  726.   GPIO_InitTypeDef GPIO_InitStruct;
  727.  
  728.   /* GPIO Ports Clock Enable */
  729.   __HAL_RCC_GPIOC_CLK_ENABLE();
  730.   __HAL_RCC_GPIOH_CLK_ENABLE();
  731.   __HAL_RCC_GPIOA_CLK_ENABLE();
  732.   __HAL_RCC_GPIOB_CLK_ENABLE();
  733.   __HAL_RCC_GPIOD_CLK_ENABLE();
  734.  
  735.   /*Configure GPIO pins : PC13 PC14 PC15 PC6
  736.                            PC7 PC8 PC9 PC10
  737.                            PC11 PC12 */
  738.   GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_6
  739.                           |GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
  740.                           |GPIO_PIN_11|GPIO_PIN_12;
  741.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  742.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  743.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  744.  
  745.   /*Configure GPIO pins : PH0 PH1 */
  746.   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
  747.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  748.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  749.   HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
  750.  
  751.   /*Configure GPIO pins : PA0 PA1 PA8 PA11
  752.                            PA12 */
  753.   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_8|GPIO_PIN_11
  754.                           |GPIO_PIN_12;
  755.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  756.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  757.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  758.  
  759.   /*Configure GPIO pin : LED_Blink_Pin */
  760.   GPIO_InitStruct.Pin = LED_Blink_Pin;
  761.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  762.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  763.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  764.   HAL_GPIO_Init(LED_Blink_GPIO_Port, &GPIO_InitStruct);
  765.  
  766.   /*Configure GPIO pins : SPI_NSS1_Pin SPI1CD_Pin */
  767.   GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI1CD_Pin;
  768.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  769.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  770.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  771.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  772.  
  773.   /*Configure GPIO pins : SPI_RESET_Pin SPI_NS_Temp_Pin */
  774.   GPIO_InitStruct.Pin = SPI_RESET_Pin|SPI_NS_Temp_Pin;
  775.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  776.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  777.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  778.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  779.  
  780.   /*Configure GPIO pins : PB2 PB10 PB11 PB12
  781.                            PB13 PB14 PB15 PB3
  782.                            PB4 PB5 PB6 PB7
  783.                            PB8 PB9 */
  784.   GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12
  785.                           |GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15|GPIO_PIN_3
  786.                           |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7
  787.                           |GPIO_PIN_8|GPIO_PIN_9;
  788.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  789.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  790.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  791.  
  792.   /*Configure GPIO pin : PD2 */
  793.   GPIO_InitStruct.Pin = GPIO_PIN_2;
  794.   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  795.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  796.   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
  797.  
  798.   /*Configure GPIO pin Output Level */
  799.   HAL_GPIO_WritePin(LED_Blink_GPIO_Port, LED_Blink_Pin, GPIO_PIN_RESET);
  800.  
  801.   /*Configure GPIO pin Output Level */
  802.   HAL_GPIO_WritePin(SPI_NSS1_GPIO_Port, SPI_NSS1_Pin, GPIO_PIN_SET);
  803.  
  804.   /*Configure GPIO pin Output Level */
  805.   HAL_GPIO_WritePin(SPI1CD_GPIO_Port, SPI1CD_Pin, GPIO_PIN_RESET);
  806.  
  807.   /*Configure GPIO pin Output Level */
  808.   HAL_GPIO_WritePin(SPI_RESET_GPIO_Port, SPI_RESET_Pin, GPIO_PIN_RESET);
  809.  
  810.   /*Configure GPIO pin Output Level */
  811.   HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_SET);
  812.  
  813. }
  814.  
  815. /* USER CODE BEGIN 4 */
  816.  
  817. /* USER CODE END 4 */
  818.  
  819. /**
  820.   * @brief  This function is executed in case of error occurrence.
  821.   * @param  None
  822.   * @retval None
  823.   */
  824. void Error_Handler(void)
  825. {
  826.   /* USER CODE BEGIN Error_Handler */
  827.         /* User can add his own implementation to report the HAL error return state */
  828.         while (1) {
  829.         }
  830.   /* USER CODE END Error_Handler */
  831. }
  832.  
  833. #ifdef USE_FULL_ASSERT
  834.  
  835. /**
  836.    * @brief Reports the name of the source file and the source line number
  837.    * where the assert_param error has occurred.
  838.    * @param file: pointer to the source file name
  839.    * @param line: assert_param error line source number
  840.    * @retval None
  841.    */
  842. void assert_failed(uint8_t* file, uint32_t line)
  843. {
  844.   /* USER CODE BEGIN 6 */
  845.         /* User can add his own implementation to report the file name and line number,
  846.          ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  847.   /* USER CODE END 6 */
  848.  
  849. }
  850.  
  851. #endif
  852.  
  853. /**
  854.   * @}
  855.   */
  856.  
  857. /**
  858.   * @}
  859. */
  860.  
  861. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  862.