Subversion Repositories EngineBay2

/**

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

  * File Name          : main.c

  * Description        : Main program body

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

  *

  * COPYRIGHT(c) 2017 STMicroelectronics

  *

  * Redistribution and use in source and binary forms, with or without modification,

  * are permitted provided that the following conditions are met:

  *   1. Redistributions of source code must retain the above copyright notice,

  *      this list of conditions and the following disclaimer.

  *   2. Redistributions in binary form must reproduce the above copyright notice,

  *      this list of conditions and the following disclaimer in the documentation

  *      and/or other materials provided with the distribution.

  *   3. Neither the name of STMicroelectronics nor the names of its contributors

  *      may be used to endorse or promote products derived from this software

  *      without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  *

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

  */

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

#include "stm32l1xx_hal.h"

/* USER CODE BEGIN Includes */

#include "serial.h"

#include "plx.h"

#include "misc.h"

/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/

ADC_HandleTypeDef hadc;

DMA_HandleTypeDef hdma_adc;

SPI_HandleTypeDef hspi1;

TIM_HandleTypeDef htim2;

TIM_HandleTypeDef htim6;

UART_HandleTypeDef huart1;

UART_HandleTypeDef huart2;

/* USER CODE BEGIN PV */

/* Private variables ---------------------------------------------------------*/

// with a dwell angle of 45 degrees , 4 cylinders and a maximum RPM of 5000

// 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 .

// the TIM2 counter counts in 10uS increments,

#define BREAKER_MIN (RPM_COUNT_RATE/300)

volatile char TimerFlag = 0;

volatile char NoSerialInCTR = 0; // Missing characters coming in on USART1

volatile char NoSerialIn = 0;

// storage for ADC

uint16_t ADC_Samples[6];

#define Scale 1024.0

const float ADC_Scale = 3.3 / (Scale * 4096.0); // convert to a voltage

uint32_t FILT_Samples[6]; // filtered ADC samples * 1024

// Rev counter processing from original RevCounter Project

unsigned int RPM_Diff = 0;

unsigned int RPM_Count_Latch = 0;

// accumulators

unsigned int RPM_Pulsecount = 0;

unsigned int RPM_FilteredWidth = 0;

unsigned int Coded_RPM = 0;

unsigned int Coded_CHT = 0;

uint32_t Power_CHT_Timer;

/* USER CODE END PV */

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

void SystemClock_Config(void);

void Error_Handler(void);

static void MX_GPIO_Init(void);

static void MX_DMA_Init(void);

static void MX_ADC_Init(void);

static void MX_SPI1_Init(void);

static void MX_TIM2_Init(void);

static void MX_TIM6_Init(void);

static void MX_USART2_UART_Init(void);

static void MX_USART1_UART_Init(void);

/* USER CODE BEGIN PFP */

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

/* USER CODE END PFP */

/* USER CODE BEGIN 0 */

void plx_sendword(int x)

{

        PutCharSerial(&uc1, ((x) >> 6) & 0x3F);

        PutCharSerial(&uc1, (x) & 0x3F);

}

void init_ADC_filter()

{

        int i;

        for (i = 0; i < 6; i++)

        {

                FILT_Samples[i] = 0;

        }

}

void filter_ADC_samples()

{

        int i;

        for (i = 0; i < 6; i++)

        {

                FILT_Samples[i] += (ADC_Samples[i] * Scale - FILT_Samples[i]) / 2;

        }

}

void ProcessRPM(int instance)

{

// compute the timer values

// snapshot timers

        unsigned long RPM_Pulsewidth;

        unsigned long RPM_Count_Val;

        __disable_irq(); // copy the counter value

        RPM_Count_Val = RPM_Count;

        __enable_irq();

// do calculations

// if there is only one entry, cannot get difference

        if (RPM_Count_Latch != RPM_Count_Val)

        {

                while (1)

                {

                        unsigned int base_time;

                        unsigned int new_time;

                        // if we are at N-1, stop.

                        unsigned int next_count = RPM_Count_Latch + 1;

                        if (next_count == RPM_SAMPLES)

                        {

                                next_count = 0;

                        }

                        if (next_count == RPM_Count_Val)

                        {

                                break;

                        }

                        base_time = RPM_Time[RPM_Count_Latch];

                        new_time = RPM_Time[next_count];

                        RPM_Count_Latch = next_count;

                        if (new_time > base_time)

                        {

                                RPM_Pulsewidth = new_time - base_time; // not wrapped

                        }

                        else

                        {

                                RPM_Pulsewidth = new_time - base_time + 65536; // deal with wrapping

                        }

                        RPM_Diff += RPM_Pulsewidth;

                        // need to check if this is a long pulse. If it is, keep the answer

                        if (RPM_Pulsewidth > BREAKER_MIN)

                        {

                                RPM_Pulsecount++; // count one pulse

                                RPM_FilteredWidth += RPM_Diff; // add its width to the accumulator

                                RPM_Diff = 0; // reset accumulator of all the narrow widths

                        }

                }

        }

        if (RPM_Pulsecount > 0)

        {

                // now have time for N pulses in clocks

                // need to scale by 19.55: one unit is 19.55 RPM

                // 1Hz is 60 RPM

                float new_RPM = (30.0 / 19.55 * RPM_Pulsecount * RPM_COUNT_RATE)

                                / (RPM_FilteredWidth) + 0.5;

                Coded_RPM += (new_RPM * Scale - Coded_RPM) / 4;

#if !defined MY_DEBUG

                // reset here unless we want to debug

                RPM_Pulsecount = 0;

                RPM_FilteredWidth = 0;

#endif

        }

// send the current RPM *calculation

        plx_sendword(PLX_RPM);

        PutCharSerial(&uc1, instance);

        plx_sendword(Coded_RPM / Scale);

}

// this uses a MAX6675 which is a simple 16 bit read

// SPI is configured for 8 bits so I can use an OLED display if I need it

// must wait > 0.22 seconds between conversion attempts as this is the measurement time

//

GPIO_PinState CHT_Enable = GPIO_PIN_SET;

uint8_t CHT_Timer[2] =

{ 0, 0 }; // two temperature readings

uint8_t CHT_Observations[2] =

{ 0, 0 };

void ProcessCHT(int instance)

{

        uint8_t buffer[2];

        if (instance > 2)

                return;

        CHT_Timer[instance]++;

        if ((CHT_Enable == GPIO_PIN_SET) && (CHT_Timer[instance] >= 4)) // every 300 milliseconds

        {

                CHT_Timer[instance] = 0;

                uint16_t Pin = (instance == 0) ? SPI_NS_Temp_Pin : SPI_NS_Temp2_Pin;

                HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, Pin, GPIO_PIN_RESET);

                HAL_SPI_Receive(&hspi1, buffer, 2, 2);

                HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, Pin, GPIO_PIN_SET);

                uint16_t obs = (buffer[0] << 8) | buffer[1];

                uint8_t good = (obs & 4) == 0;

                if (good)

                {

                        CHT_Observations[instance] = obs >> 5;

                }

                else

                {

                        CHT_Observations[instance] = 1024; // signal fail

                }

        }

        plx_sendword(PLX_X_CHT);

        PutCharSerial(&uc1, instance);

        plx_sendword(CHT_Observations[instance]);

}

void EnableCHT(GPIO_PinState state)

{

        GPIO_InitTypeDef GPIO_InitStruct;

        CHT_Enable = state;

        HAL_GPIO_WritePin(ENA_AUX_5V_GPIO_Port, ENA_AUX_5V_Pin, state);

        /* drive the NSS to high if the interface is enabled */

        /* enable SPI in live mode : assume it and its GPIOs are already initialised in SPI mode */

        if (state == GPIO_PIN_SET)

        {

                HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin, GPIO_PIN_SET);

                HAL_GPIO_WritePin(SPI_NS_Temp2_GPIO_Port, SPI_NS_Temp2_Pin,

                                GPIO_PIN_SET);

                /* put the SPI pins back into SPI AF mode */

                GPIO_InitStruct.Pin = SPI1_MOSI_Pin | SPI1_MISO_Pin | SPI1_SCK_Pin;

                GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;

                GPIO_InitStruct.Pull = GPIO_NOPULL;

                GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;

                GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;

                HAL_GPIO_Init(SPI1_SCK_GPIO_Port, &GPIO_InitStruct);

        }

        else

        {

                /*  Power down the SPI interface taking signals all low */

                HAL_GPIO_WritePin(SPI_NS_Temp_GPIO_Port, SPI_NS_Temp_Pin,

                                GPIO_PIN_RESET);

                HAL_GPIO_WritePin(SPI_NS_Temp2_GPIO_Port, SPI_NS_Temp2_Pin,

                                GPIO_PIN_RESET);

                HAL_GPIO_WritePin(SPI1_SCK_GPIO_Port,

                                SPI1_MOSI_Pin | SPI1_MISO_Pin | SPI1_SCK_Pin, GPIO_PIN_RESET);

                /* put the SPI pins back into GPIO mode */

                GPIO_InitStruct.Pin = SPI1_MOSI_Pin | SPI1_MISO_Pin | SPI1_SCK_Pin;

                GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

                GPIO_InitStruct.Pull = GPIO_NOPULL;

                GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;

                HAL_GPIO_Init(SPI1_SCK_GPIO_Port, &GPIO_InitStruct);

        }

}

// 1023 is 20.00 volts.

void ProcessBatteryVoltage(int instance)

{

        float reading = FILT_Samples[instance] * ADC_Scale;

        reading = reading * 7.8125; // real voltage

        reading = reading * 51.15; // 1023/20

        plx_sendword(PLX_Volts);

        PutCharSerial(&uc1, instance);

        plx_sendword((uint16_t) reading);

}

/****!

 * @brief this reads the reference voltage within the STM32L151

 * Powers up reference voltage and temperature sensor, waits 3mS  and takes reading

 * Requires that the ADC be powered up

 */

uint32_t ADC_VREF_MV = 3300;           // 3.300V typical

const uint16_t STM32REF_MV = 1224;           // 1.224V typical

void CalibrateADC(void)

{

        uint32_t adc_val = FILT_Samples[6];       // as set up in device config

        ADC_VREF_MV = (STM32REF_MV * 4096) / adc_val;

}

void ProcessCPUTemperature(int instance)

{

        int32_t temp_val;

        uint16_t TS_CAL30 = *(uint16_t *) 0x1FF8007A; /* ADC reading for temperature sensor at 30 degrees C with Vref = 3000mV */

        uint16_t TS_CAL110 = *(uint16_t *) 0x1FF8007E; /* ADC reading for temperature sensor at 110 degrees C with Vref = 3000mV */

        /* get the ADC reading corresponding to ADC channel 16 after turning on the ADC */

        temp_val = FILT_Samples[5];

        /* renormalise temperature value to account for different ADC Vref  : normalise to that which we would get for a 3000mV reference */

        temp_val = temp_val * ADC_VREF_MV / 3000UL;

        int32_t result = 800 * ((int32_t) temp_val - TS_CAL30);

        result = result / (TS_CAL110 - TS_CAL30) + 300;

        if (result < 0)

        {

                result = 0;

        }

        plx_sendword(PLX_FluidTemp);

        PutCharSerial(&uc1, instance);

        plx_sendword(result / 10);

}

// the MAP sensor is giving us a reading of

// 4.6 volts for 1019mB or 2.27 volts at the ADC input (resistive divider by 2.016)

// I believe the sensor reads  4.5V at 1000kPa and 0.5V at  0kPa

void ProcessMAP(int instance)

{

// Using ADC_Samples[3] as the MAP input

        float reading = FILT_Samples[3] * ADC_Scale;

        reading = reading * 2.016;      // real voltage

        reading = (reading) * 1000 / 4.5; // do not assume 0.5 volt offset : reading from 0 to 4.5 instead of 0.5 to 4.5

        plx_sendword(PLX_MAP);

        PutCharSerial(&uc1, instance);

        plx_sendword((uint16_t) reading);

}

// the Oil pressi sensor is giving us a reading of

// 4.5 volts for 100 PSI or  2.25 volts at the ADC input (resistive divider by 2.016)

// I believe the sensor reads  4.5V at 100PSI and 0.5V at  0PSI

// an observation of 1024 is 200PSI, so observation of 512 is 100 PSI.

void ProcessOilPress(int instance)

{

// Using ADC_Samples[2] as the MAP input

        float reading = FILT_Samples[2] * ADC_Scale;

        reading = reading * 2.00; // real voltage

        reading = (reading - 0.5) * 512 / 4;  // this is 1023 * 100/200

        plx_sendword(PLX_FluidPressure);

        PutCharSerial(&uc1, instance);

        plx_sendword((uint16_t) reading);

}

void ProcessTiming(int instance)

{

        plx_sendword(PLX_Timing);

        PutCharSerial(&uc1, instance);

        plx_sendword(64 - 15); // make it negative

}

/* USER CODE END 0 */

int main(void)

{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration----------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */

  HAL_Init();

  /* Configure the system clock */

  SystemClock_Config();

  /* Initialize all configured peripherals */

  MX_GPIO_Init();

  MX_DMA_Init();

  MX_ADC_Init();

  MX_SPI1_Init();

  MX_TIM2_Init();

  MX_TIM6_Init();

  MX_USART2_UART_Init();

  MX_USART1_UART_Init();

  /* USER CODE BEGIN 2 */

        HAL_MspInit();

// Not using HAL USART code

        __HAL_RCC_USART1_CLK_ENABLE()

        ; // PLX comms port

        __HAL_RCC_USART2_CLK_ENABLE()

        ;  // Debug comms port

        /* setup the USART control blocks */

        init_usart_ctl(&uc1, huart1.Instance);

        init_usart_ctl(&uc2, huart2.Instance);

        EnableSerialRxInterrupt(&uc1);

        EnableSerialRxInterrupt(&uc2);

        HAL_SPI_MspInit(&hspi1);

        HAL_ADC_MspInit(&hadc);

        HAL_ADC_Start_DMA(&hadc, ADC_Samples, 6);

        HAL_ADC_Start_IT(&hadc);

        HAL_TIM_Base_MspInit(&htim6);

        HAL_TIM_Base_Start_IT(&htim6);

// initialise all the STMCubeMX stuff

        HAL_TIM_Base_MspInit(&htim2);

// Start the counter

        HAL_TIM_Base_Start(&htim2);

// Start the input capture and the interrupt

        HAL_TIM_IC_Start_IT(&htim2, TIM_CHANNEL_1);

        init_ADC_filter();

        uint32_t Ticks = HAL_GetTick() + 100;

        int CalCounter = 0;

        Power_CHT_Timer = HAL_GetTick() + 10000; /* wait 10 seconds before powering up the CHT sensor */

  /* USER CODE END 2 */

  /* Infinite loop */

  /* USER CODE BEGIN WHILE */

        while (1)

        {

  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */

                if (HAL_GetTick() > Ticks)

                {

                        Ticks += 100;

                        filter_ADC_samples();

                        // delay to calibrate ADC

                        if (CalCounter < 500)

                        {

                                CalCounter += 100;

                        }

                        if (CalCounter == 400)

                        {

                                CalibrateADC();

                        }

                }

                /* when the starter motor is on then power down the CHT sensors as they seem to fail */

                if (HAL_GPIO_ReadPin(STARTER_ON_GPIO_Port, STARTER_ON_Pin)

                                == GPIO_PIN_RESET)

                {

                        EnableCHT(GPIO_PIN_RESET);

                        Power_CHT_Timer = HAL_GetTick() + 5000;

                }

                else

                /* if the Power_CHT_Timer is set then wait for it to timeout, then power up CHT */

                {

                        if ((Power_CHT_Timer > 0) && (HAL_GetTick() > Power_CHT_Timer))

                        {

                                EnableCHT(GPIO_PIN_SET);

                                Power_CHT_Timer = 0;

                        }

                }

                // check to see if we have any incoming data, copy and append if so, if no data then create our own frames.

                int c;

                char send = 0;

                // poll the  input for a stop bit or timeout

                if (PollSerial(&uc1))

                {

                        c = GetCharSerial(&uc1);

                        if (c != PLX_Stop)

                        {

                                PutCharSerial(&uc1, c); // echo all but the stop bit

                        }

                        else

                        { // must be a stop character

                                send = 1; // start our sending process.

                        }

                }

                // sort out auto-sending

                if (TimerFlag)

                {

                        TimerFlag = 0;

                        if (NoSerialIn)

                        {

                                PutCharSerial(&uc1, PLX_Start);

                                send = 1;

                        }

                }

                if (send)

                {

                        send = 0;

                        uint16_t val;

                        val = __HAL_TIM_GET_COMPARE(&htim2,TIM_CHANNEL_1);

                        PutCharSerial(&uc2, (val & 31) + 32);

                        // send the observations

                        ProcessRPM(0);

                        ProcessCHT(0);

                        //      ProcessCHT(1);

                        ProcessBatteryVoltage(0); // Batt 1

                        ProcessBatteryVoltage(1); // Batt 2

                        ProcessCPUTemperature(0); //  built in temperature sensor

                        ProcessMAP(0);

                        ProcessOilPress(0);

                        PutCharSerial(&uc1, PLX_Stop);

                }

        }

  /* USER CODE END 3 */

}

/** System Clock Configuration

*/

void SystemClock_Config(void)

{

  RCC_OscInitTypeDef RCC_OscInitStruct;

  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  __HAL_RCC_PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;

  RCC_OscInitStruct.HSIState = RCC_HSI_ON;

  RCC_OscInitStruct.HSICalibrationValue = 16;

  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;

  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;

  RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;

  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)

  {

    Error_Handler();

  }

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK

                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;

  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)

  {

    Error_Handler();

  }

  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */

  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);

}

/* ADC init function */

static void MX_ADC_Init(void)

{

  ADC_ChannelConfTypeDef sConfig;

    /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)

    */

  hadc.Instance = ADC1;

  hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;

  hadc.Init.Resolution = ADC_RESOLUTION_12B;

  hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;

  hadc.Init.ScanConvMode = ADC_SCAN_ENABLE;

  hadc.Init.EOCSelection = ADC_EOC_SEQ_CONV;

  hadc.Init.LowPowerAutoWait = ADC_AUTOWAIT_DISABLE;

  hadc.Init.LowPowerAutoPowerOff = ADC_AUTOPOWEROFF_DISABLE;

  hadc.Init.ChannelsBank = ADC_CHANNELS_BANK_A;

  hadc.Init.ContinuousConvMode = DISABLE;

  hadc.Init.NbrOfConversion = 6;

  hadc.Init.DiscontinuousConvMode = DISABLE;

  hadc.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T6_TRGO;

  hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;

  hadc.Init.DMAContinuousRequests = ENABLE;

  if (HAL_ADC_Init(&hadc) != HAL_OK)

  {

    Error_Handler();

  }

    /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.

    */

  sConfig.Channel = ADC_CHANNEL_10;

  sConfig.Rank = 1;

  sConfig.SamplingTime = ADC_SAMPLETIME_384CYCLES;

  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

    /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.

    */

  sConfig.Channel = ADC_CHANNEL_11;

  sConfig.Rank = 2;

  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

    /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.

    */

  sConfig.Channel = ADC_CHANNEL_12;

  sConfig.Rank = 3;

  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

    /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.

    */

  sConfig.Channel = ADC_CHANNEL_13;

  sConfig.Rank = 4;

  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

    /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.

    */

  sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;

  sConfig.Rank = 5;

  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

    /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.

    */

  sConfig.Channel = ADC_CHANNEL_VREFINT;

  sConfig.Rank = 6;

  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

}

/* SPI1 init function */

static void MX_SPI1_Init(void)

{

  hspi1.Instance = SPI1;

  hspi1.Init.Mode = SPI_MODE_MASTER;

  hspi1.Init.Direction = SPI_DIRECTION_2LINES;

  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;

  hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;

  hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;

  hspi1.Init.NSS = SPI_NSS_SOFT;

  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;

  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;

  hspi1.Init.TIMode = SPI_TIMODE_DISABLE;

  hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;

  hspi1.Init.CRCPolynomial = 10;

  if (HAL_SPI_Init(&hspi1) != HAL_OK)

  {

    Error_Handler();

  }

}

/* TIM2 init function */

static void MX_TIM2_Init(void)

{

  TIM_ClockConfigTypeDef sClockSourceConfig;

  TIM_MasterConfigTypeDef sMasterConfig;

  TIM_IC_InitTypeDef sConfigIC;

  htim2.Instance = TIM2;

  htim2.Init.Prescaler = 320;

  htim2.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim2.Init.Period = 65535;

  htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  if (HAL_TIM_Base_Init(&htim2) != HAL_OK)

  {

    Error_Handler();

  }

  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;

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

  {

    Error_Handler();

  }

  if (HAL_TIM_IC_Init(&htim2) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

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

  {

    Error_Handler();

  }

  sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;

  sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;

  sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;

  sConfigIC.ICFilter = 0;

  if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)

  {

    Error_Handler();

  }

}

/* TIM6 init function */

static void MX_TIM6_Init(void)

{

  TIM_MasterConfigTypeDef sMasterConfig;

  htim6.Instance = TIM6;

  htim6.Init.Prescaler = 320;

  htim6.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim6.Init.Period = 9999;

  if (HAL_TIM_Base_Init(&htim6) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

  if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)

  {

    Error_Handler();

  }

}

/* USART1 init function */

static void MX_USART1_UART_Init(void)

{

  huart1.Instance = USART1;

  huart1.Init.BaudRate = 19200;

  huart1.Init.WordLength = UART_WORDLENGTH_8B;

  huart1.Init.StopBits = UART_STOPBITS_1;

  huart1.Init.Parity = UART_PARITY_NONE;

  huart1.Init.Mode = UART_MODE_TX_RX;

  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;

  huart1.Init.OverSampling = UART_OVERSAMPLING_16;

  if (HAL_UART_Init(&huart1) != HAL_OK)

  {

    Error_Handler();

  }

}

/* USART2 init function */

static void MX_USART2_UART_Init(void)

{