text: /* USER CODE BEGIN Header */
  /**
   ******************************************************************************
   * @file           : main.c
   * @brief          : Main program body
   ******************************************************************************
   * @attention
   *
   * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
   * All rights reserved.</center></h2>
   *
   * This software component is licensed by ST under BSD 3-Clause license,
   * the "License"; You may not use this file except in compliance with the
   * License. You may obtain a copy of the License at:
   *                        opensource.org/licenses/BSD-3-Clause
   *
   ******************************************************************************
   */
  /* USER CODE END Header */
  
  /* Includes ------------------------------------------------------------------*/
  #include "main.h"
  
  /* Private includes ----------------------------------------------------------*/
  /* USER CODE BEGIN Includes */
  #include <stdio.h>
  #include "Sound.h"
  #include "defines.h"
  #include "tm_stm32_disco.h"
  #include "tm_stm32_delay.h"
  #include "tm_stm32_gpio.h"
  #include "tm_stm32_hd44780.h"
  #include "arm_math.h"
  #include "arm_const_structs.h"
  #include "arm_common_tables.h"
  #include "arm_const_structs.c"
  #include "arm_common_tables.c"
  #include "arm_cfft_f32.c"
  #include "arm_cfft_radix8_f32.c"
  #include "arm_bitreversal.c"
  #include "arm_cmplx_mag_f32.c"
  #include "arm_max_f32.c"
  /* USER CODE END Includes */
  
  /* Private typedef -----------------------------------------------------------*/
  /* USER CODE BEGIN PTD */
  
  /* USER CODE END PTD */
  
  /* Private define ------------------------------------------------------------*/
  /* USER CODE BEGIN PD */
  
  /* USER CODE END PD */
  
  /* Private macro -------------------------------------------------------------*/
  /* USER CODE BEGIN PM */
  
  /* USER CODE END PM */
  
  /* Private variables ---------------------------------------------------------*/
  ADC_HandleTypeDef hadc1;
  
  /* USER CODE BEGIN PV */
  char stringBuffer[10];
  uint16_t adcValue;
  float32_t fftInput[FFT_NUMBER_OF_SAMPLES];
  float32_t fftOutput[FFT_SIZE];
  uint16_t fftCurrentSampleIndex = 0;
  float32_t fftMaxValue;
  uint32_t fftMaxValueIndex;
  float32_t fftTestInput[FFT_NUMBER_OF_SAMPLES] = {-0.865129623056441, 0.000000000000000, -2.655020678073846, 0.000000000000000, 0.600664612949661, 0.000000000000000, 0.080378093886515, 0.000000000000000, -2.899160484012034, 0.000000000000000, 2.563004262857762, 0.000000000000000, 3.078328403304206, 0.000000000000000, 0.105906778385130, 0.000000000000000, 0.048366940168201, 0.000000000000000, -0.145696461188734, 0.000000000000000, -0.023417155362879, 0.000000000000000, 2.127729174988954, 0.000000000000000, -1.176633086028377, 0.000000000000000, 3.690223557991855, 0.000000000000000, -0.622791766173194, 0.000000000000000, 0.722837373872203, 0.000000000000000, 2.739754205367484, 0.000000000000000, -0.062610410524552, 0.000000000000000, -0.891296810967338, 0.000000000000000, -1.845872258871811, 0.000000000000000, 1.195039415434387, 0.000000000000000, -2.177388969045026, 0.000000000000000, 1.078649103637905, 0.000000000000000, 2.570976050490193, 0.000000000000000, -1.383551403404574, 0.000000000000000, 2.392141424058873, 0.000000000000000, 2.858002843205065, 0.000000000000000, -3.682433899725536, 0.000000000000000, -3.488146646451150, 0.000000000000000, 1.323468578888120, 0.000000000000000, -0.099771155430726, 0.000000000000000, 1.561168082500454, 0.000000000000000, 1.025026795103179, 0.000000000000000, 0.928841900171200, 0.000000000000000, 2.930499509864950, 0.000000000000000, 2.013349089766430, 0.000000000000000, 2.381676148486737, 0.000000000000000, -3.081062307950236, 0.000000000000000, -0.389579115537544, 0.000000000000000, 0.181540149166620, 0.000000000000000, -2.601953341353208, 0.000000000000000, 0.333435137783218, 0.000000000000000, -2.812945856162965, 0.000000000000000, 2.649109640172910, 0.000000000000000, -1.003963025744654, 0.000000000000000, 1.552460768755035, 0.000000000000000, 0.088641345335247, 0.000000000000000, -2.519951327113426, 0.000000000000000, -4.341348988610527, 0.000000000000000, 0.557772429359965, 0.000000000000000, -1.671267412948494, 0.000000000000000, 0.733951350960387, 0.000000000000000, 0.409263788034864, 0.000000000000000, 3.566033071952806, 0.000000000000000, 1.882565173848352, 0.000000000000000, -1.106017073793287, 0.000000000000000, 0.154456720778718, 0.000000000000000, -2.513205795512153, 0.000000000000000, 0.310978660939421, 0.000000000000000, 0.579706500111723, 0.000000000000000, 0.000086383683251, 0.000000000000000, -1.311866980897721, 0.000000000000000, 1.840007477574986, 0.000000000000000, -3.253005768451345, 0.000000000000000, 1.462584328739432, 0.000000000000000, 1.610103610851738, 0.000000000000000, 0.761914676858907, 0.000000000000000, 0.974541361089834, 0.000000000000000, 0.686845845885983, 0.000000000000000, 1.849153122025191, 0.000000000000000, 0.787800410401453, 0.000000000000000, -1.187438909666279, 0.000000000000000, -0.754937911044720, 0.000000000000000, 0.084373858395232, 0.000000000000000, -2.600269011710521, 0.000000000000000, -0.962982842142644, 0.000000000000000, -0.369328108540868, 0.000000000000000, 0.810791418361879, 0.000000000000000, 3.587016488699641, 0.000000000000000, -0.520776145083723, 0.000000000000000, 0.640249919627884, 0.000000000000000, 1.103122489464969, 0.000000000000000, 2.231779881455556, 0.000000000000000, -1.308035392685241, 0.000000000000000, 0.424070304330106, 0.000000000000000, -0.200383932651189, 0.000000000000000, -2.365526783356541, 0.000000000000000, -0.989114757436628, 0.000000000000000, 2.770807688959777, 0.000000000000000, -0.444172737462307, 0.000000000000000, 0.079760979374078, 0.000000000000000, -0.005199118412183, 0.000000000000000, -0.664712668309527, 0.000000000000000, -0.624171857561896, 0.000000000000000, 0.537306979007338, 0.000000000000000, -2.575955675497642, 0.000000000000000, 1.562363235756780, 0.000000000000000, 1.814069369848895, 0.000000000000000, -1.293428583392509, 0.000000000000000, -1.026188449495686, 0.000000000000000, -2.981771815588717, 0.000000000000000, -4.223468103075124, 0.000000000000000, 2.672674782004045, 0.000000000000000, -0.856096801117735, 0.000000000000000, 0.048517345512563, 0.000000000000000, -0.026860721136222, 0.000000000000000, 0.392932277758187, 0.000000000000000, -1.331740855093099, 0.000000000000000, -1.894292129477081, 0.000000000000000, -1.425006468460681, 0.000000000000000, -2.721772427617057, 0.000000000000000, -1.616831100216806, 0.000000000000000, 3.551177651488947, 0.000000000000000, -0.069685667896087, 0.000000000000000, -3.134634907409102, 0.000000000000000, -0.263627598944639, 0.000000000000000, -1.650469945991350, 0.000000000000000, -2.203580339374399, 0.000000000000000, -0.872203246123242, 0.000000000000000, 1.230782812607287, 0.000000000000000, 0.257288860093291, 0.000000000000000, 1.989083106173137, 0.000000000000000, -1.985638729453261, 0.000000000000000, -1.416185105842892, 0.000000000000000, -1.131097688325772, 0.000000000000000, -2.245130805416057, 0.000000000000000, -1.938873996219074, 0.000000000000000, 2.043608361562645, 0.000000000000000, -0.583727989880841, 0.000000000000000, -1.785266378212929, 0.000000000000000, 1.961457586224753, 0.000000000000000, 1.139400099963223, 0.000000000000000, -1.979519343363991, 0.000000000000000, 2.003023322818429, 0.000000000000000, 0.229004069076829, 0.000000000000000, 3.452808862193135, 0.000000000000000, 2.882273808365857, 0.000000000000000, -1.549450501844438, 0.000000000000000, -3.283872089931876, 0.000000000000000, -0.327025884099064, 0.000000000000000, -0.054979977136430, 0.000000000000000, -1.192280531479012, 0.000000000000000, 0.645539328365578, 0.000000000000000, 2.300832863404618, 0.000000000000000, -1.092951789535240, 0.000000000000000, -1.017368249363773, 0.000000000000000, -0.142673056169787, 0.000000000000000, 0.831073544881250, 0.000000000000000, -2.314612531587064, 0.000000000000000, -2.221456299106321, 0.000000000000000, 0.460261143885226, 0.000000000000000, 0.050585301888595, 0.000000000000000, 0.364373329183988, 0.000000000000000, -1.685956552069538, 0.000000000000000, 0.050664512351055, 0.000000000000000, -0.193355783902718, 0.000000000000000, -0.158660446046828, 0.000000000000000, 2.394156453841953, 0.000000000000000, -1.562965718554525, 0.000000000000000, -2.199750600869900, 0.000000000000000, 1.544984022381773, 0.000000000000000, -1.988307216807315, 0.000000000000000, -0.628240722541046, 0.000000000000000, -1.436235771505429, 0.000000000000000, 1.677013691147313, 0.000000000000000, 1.600741781678228, 0.000000000000000, -0.757380959134706, 0.000000000000000, -4.784797439515566, 0.000000000000000, 0.265121462834569, 0.000000000000000, 3.862029485934378, 0.000000000000000, 2.386823577249430, 0.000000000000000, -3.655779745436893, 0.000000000000000, -0.763541621368016, 0.000000000000000, -1.182140388432962, 0.000000000000000, -1.349106114858063, 0.000000000000000, -2.287533624396759, 0.000000000000000, -0.028603745188423, 0.000000000000000, -1.353580755934427, 0.000000000000000, 0.461602380352937, 0.000000000000000, -0.059599055078928, 0.000000000000000, -0.929946734342228, 0.000000000000000, 0.065773089295561, 0.000000000000000, 1.106565863102982, 0.000000000000000, 4.719295086373593, 0.000000000000000, -2.108377703544395, 0.000000000000000, -2.226393620240159, 0.000000000000000, 1.375668397437521, 0.000000000000000, -0.960772428525443, 0.000000000000000, -2.156313465390571, 0.000000000000000, 1.126060012375311, 0.000000000000000, 2.756485137030720, 0.000000000000000, 0.739639690862600, 0.000000000000000, 3.914769510295006, 0.000000000000000, 1.685232785586675, 0.000000000000000, 4.079058040970612, 0.000000000000000, -1.174598301660513, 0.000000000000000, -2.885776587275580, 0.000000000000000, -0.241073635188767, 0.000000000000000, 3.080489872502403, 0.000000000000000, -2.051244183999421, 0.000000000000000, 0.664330486845139, 0.000000000000000, -1.697798999370016, 0.000000000000000, 1.452369423649782, 0.000000000000000, -1.523532831019280, 0.000000000000000, 0.171981186587481, 0.000000000000000, -4.685274721583927, 0.000000000000000, -1.336175835319380, 0.000000000000000, 1.419070770428945, 0.000000000000000, -0.035791601713475, 0.000000000000000, 2.291937971632081, 0.000000000000000, -1.962559313450293, 0.000000000000000, -4.831595589339301, 0.000000000000000, -1.857055284000925, 0.000000000000000, 2.606271522635512, 0.000000000000000, -0.576447978738030, 0.000000000000000, 0.082299166967720, 0.000000000000000, 1.888399453494614, 0.000000000000000, -3.564705298046079, 0.000000000000000, -0.939357831083889, 0.000000000000000, -1.903578203697778, 0.000000000000000, -2.642492215447250, 0.000000000000000, -0.182990405251017, 0.000000000000000, 3.742026478011174, 0.000000000000000, 0.104295803798333, 0.000000000000000, 1.848678195370347, 0.000000000000000, -1.887384346896369, 0.000000000000000, 0.365048973046045, 0.000000000000000, -0.889638010354219, 0.000000000000000, 1.173877118428863, 0.000000000000000, -1.178562827540109, 0.000000000000000, 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0.000000000000000, -3.735078262179111, 0.000000000000000, -0.161705013319883, 0.000000000000000, 0.748963512361001, 0.000000000000000, 1.128046374367600, 0.000000000000000, 0.649651335592966, 0.000000000000000, 1.880020215025867, 0.000000000000000, -1.095632293842306, 0.000000000000000, 1.197764876160487, 0.000000000000000, 0.323646656252985, 0.000000000000000, -1.655502751114502, 0.000000000000000, 3.666399062961496, 0.000000000000000, -0.334060899735197, 0.000000000000000, -2.119056978738397, 0.000000000000000, 3.721375117275012, 0.000000000000000, 0.044874186872307, 0.000000000000000, -2.733053897593234, 0.000000000000000, 1.590700278891042, 0.000000000000000, 3.215711772781902, 0.000000000000000, -1.792085012843801, 0.000000000000000, -0.405797188885475, 0.000000000000000, -0.628080020080892, 0.000000000000000, -1.831815840843960, 0.000000000000000, 2.973656862522834, 0.000000000000000, -0.212032655138417, 0.000000000000000, 0.372437389437234, 0.000000000000000, -1.614030579023492, 0.000000000000000, -0.704900996358698, 0.000000000000000, 1.123700273452105, 0.000000000000000, -0.136371848130819, 0.000000000000000, 3.020284357635585, 0.000000000000000, -0.550211350877649, 0.000000000000000, 5.101256236381711, 0.000000000000000, 3.367051512192333, 0.000000000000000, -4.385131946669234, 0.000000000000000, -3.967303337694391, 0.000000000000000, -0.965894936640022, 0.000000000000000, 0.328366945264681, 0.000000000000000, 0.199041562924914, 0.000000000000000, 1.067681999025495, 0.000000000000000, -1.939516091697170, 0.000000000000000, -1.092980954328824, 0.000000000000000, 0.273786079368066, 0.000000000000000, -0.040928322190265, 0.000000000000000, -0.118368078577437, 0.000000000000000, 1.766589628899997, 0.000000000000000, 1.738321311635393, 0.000000000000000, -2.895012794321649, 0.000000000000000, 1.213521771395142, 0.000000000000000, 0.922971726633985, 0.000000000000000, 1.091516563636489, 0.000000000000000, 3.226378465469620, 0.000000000000000, 1.149169778666974, 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0.000000000000000, -1.113331444648290, 0.000000000000000, -1.032308423149906, 0.000000000000000, 1.593774272982443, 0.000000000000000, -1.246840475090529, 0.000000000000000, -0.190344684920137, 0.000000000000000, -1.719386356896355, 0.000000000000000, -2.827721754659679, 0.000000000000000, -0.092438285279020, 0.000000000000000, -0.565844430675246, 0.000000000000000, -1.077916121691716, 0.000000000000000, -1.208665809504693, 0.000000000000000, -2.996014266381254, 0.000000000000000, 2.888573323402423, 0.000000000000000, 2.829507048720695, 0.000000000000000, -0.859177034120755, 0.000000000000000, -1.969302377743254, 0.000000000000000, 0.777437674525362, 0.000000000000000, -0.124910190157646, 0.000000000000000, 0.129875493115290, 0.000000000000000, -4.192139262163992, 0.000000000000000, 3.023496047962126, 0.000000000000000, 1.149775163736637, 0.000000000000000, 2.038151304801731, 0.000000000000000, 3.016122489841263, 0.000000000000000, -4.829481812137012, 0.000000000000000, -1.668436615909279, 0.000000000000000, 0.958586784636918, 0.000000000000000, 1.550652410058678, 0.000000000000000, -1.456305257976716, 0.000000000000000, -0.079588392344731, 0.000000000000000, -2.453213599392345, 0.000000000000000, 0.296795909127105, 0.000000000000000, -0.253426616607643, 0.000000000000000, 1.418937160028195, 0.000000000000000, -1.672949529066915, 0.000000000000000, -1.620990298572947, 0.000000000000000, -1.085103073196045, 0.000000000000000, 0.738606361195386, 0.000000000000000, -2.097831202853255, 0.000000000000000, 2.711952282071310, 0.000000000000000, 1.498539238246888, 0.000000000000000, 1.317457282535915, 0.000000000000000, -0.302765938349717, 0.000000000000000, -0.044623707947201, 0.000000000000000, 2.337405215062395, 0.000000000000000, -3.980689173859100, 0.000000000000000, };
  float32_t inputSoundFrequency;
  float32_t diffBetweenInputSoundAndSoundFrequency;
  float32_t minDiffBetweenInputSoundAndSoundFrequency;
  char* nearestSoundName;
  float32_t nearestSoundFrequency;
  struct Sound sounds[6] = { {SOUND_NAME_E, SOUND_FREQUENCY_LOW_E}, {SOUND_NAME_A, SOUND_FREQUENCY_A}, {SOUND_NAME_D, SOUND_FREQUENCY_D}, {SOUND_NAME_G, SOUND_FREQUENCY_G}, {SOUND_NAME_B, SOUND_FREQUENCY_B}, {SOUND_NAME_E, SOUND_FREQUENCY_HIGH_E}};
  /* USER CODE END PV */
  
  /* Private function prototypes -----------------------------------------------*/
  void SystemClock_Config(void);
  static void MX_GPIO_Init(void);
  static void MX_ADC1_Init(void);
  /* USER CODE BEGIN PFP */
  
  /* USER CODE END PFP */
  
  /* Private user code ---------------------------------------------------------*/
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  /**
   * @brief  The application entry point.
   * @retval int
   */
  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();
  
      /* USER CODE BEGIN Init */
  
      /* USER CODE END Init */
  
      /* Configure the system clock */
      SystemClock_Config();
  
      /* USER CODE BEGIN SysInit */
  
      /* USER CODE END SysInit */
  
      /* Initialize all configured peripherals */
      MX_GPIO_Init();
      MX_ADC1_Init();
      /* USER CODE BEGIN 2 */
      TM_HD44780_Init(LCD_WIDTH, LCD_HEIGHT);
      TM_HD44780_CursorOn();
      TM_HD44780_Puts(5, 0, "GUITAR");
      TM_HD44780_Puts(8, 1, "TUNER");
      Delayms(3000);
      TM_HD44780_Clear();
      /* USER CODE END 2 */
  
      /* Infinite loop */
      /* USER CODE BEGIN WHILE */
      while (1) {
          /* USER CODE END WHILE */
  
          /* USER CODE BEGIN 3 */
          /***** TO TEST *****/
          //fftCurrentSampleIndex = FFT_NUMBER_OF_SAMPLES;
          //memcpy(fftInput, fftTestInput, sizeof fftInput);
          /***** END TO TEST *****/
  
          if (fftCurrentSampleIndex < FFT_NUMBER_OF_SAMPLES) {
              HAL_ADC_Start(&hadc1);
              if (HAL_ADC_PollForConversion(&hadc1, 10) == HAL_OK) {
                  adcValue = HAL_ADC_GetValue(&hadc1);
  
                  //TM_HD44780_Clear();
                  //sprintf(stringBuffer, "%d", adcValue);
                  //TM_HD44780_Puts(0, 0, "ADC VALUE: ");
                  //TM_HD44780_Puts(0, 1, stringBuffer);
                  //Delayms(350);
  
                  fftInput[fftCurrentSampleIndex] = adcValue;
                  fftInput[fftCurrentSampleIndex + 1] = 0;
                  fftCurrentSampleIndex += 2;
                  Delayms(10);
              }
  
              continue;
          }
  
          arm_cfft_f32(&arm_cfft_sR_f32_len1024, fftInput, FFT_IFFT_FLAG, FFT_DO_BIT_REVERSE);
          arm_cmplx_mag_f32(fftInput, fftOutput, FFT_SIZE);
          arm_max_f32(fftOutput, FFT_SIZE, &fftMaxValue, &fftMaxValueIndex);
          fftCurrentSampleIndex = 0;
          memset(fftInput, 0, sizeof fftInput);
          memset(fftOutput, 0, sizeof fftOutput);
  
          sprintf(stringBuffer, "%f", fftMaxValue);
          TM_HD44780_Clear();
          TM_HD44780_Puts(0, 0, "FFT VALUE: ");
          TM_HD44780_Puts(0, 1, stringBuffer);
          Delayms(3000);
  
          inputSoundFrequency = fftMaxValue * FFT_BIN_TO_FREQUENCY_MULTIPLIER;
          sprintf(stringBuffer, "%f", inputSoundFrequency);
          TM_HD44780_Clear();
          TM_HD44780_Puts(0, 0, "FREQUENCY: ");
          TM_HD44780_Puts(0, 1, stringBuffer);
          Delayms(3000);
  
          int numberOfSounds = sizeof sounds / sizeof sounds[0];
          for (int i = 0; i < numberOfSounds; i++) {
              struct Sound sound = sounds[i];
  
              diffBetweenInputSoundAndSoundFrequency = abs(inputSoundFrequency - sound.frequency);
              if (i == 0 || diffBetweenInputSoundAndSoundFrequency < minDiffBetweenInputSoundAndSoundFrequency) {
                  minDiffBetweenInputSoundAndSoundFrequency = diffBetweenInputSoundAndSoundFrequency;
                  nearestSoundName = sound.name;
                  nearestSoundFrequency = sound.frequency;
              }
          }
  
          TM_HD44780_Clear();
          TM_HD44780_Puts(7, 0, nearestSoundName);
          sprintf(stringBuffer, "%f", nearestSoundFrequency);
          TM_HD44780_Puts(3, 1, stringBuffer);
          if (minDiffBetweenInputSoundAndSoundFrequency < nearestSoundFrequency) {
              TM_HD44780_Puts(2, 0, "<");
              TM_HD44780_Puts(2, 1, "<");
          } else {
              TM_HD44780_Puts(13, 0, ">");
              TM_HD44780_Puts(13, 1, ">");
          }
          Delayms(2000);
      }
      /* USER CODE END 3 */
  }
  
  /**
   * @brief System Clock Configuration
   * @retval None
   */
  void SystemClock_Config(void)
  {
      RCC_OscInitTypeDef RCC_OscInitStruct = {0};
      RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  
      /** Configure the main internal regulator output voltage
       */
      __HAL_RCC_PWR_CLK_ENABLE()
      ;
      __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
      /** Initializes the CPU, AHB and APB busses clocks
       */
      RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
      RCC_OscInitStruct.HSIState = RCC_HSI_ON;
      RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
      RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
      if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
          Error_Handler();
      }
      /** Initializes the CPU, AHB and APB busses clocks
       */
      RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
      RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
      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_0) != HAL_OK) {
          Error_Handler();
      }
  }
  
  /**
   * @brief ADC1 Initialization Function
   * @param None
   * @retval None
   */
  static void MX_ADC1_Init(void)
  {
  
      /* USER CODE BEGIN ADC1_Init 0 */
  
      /* USER CODE END ADC1_Init 0 */
  
      ADC_ChannelConfTypeDef sConfig = {0};
  
      /* USER CODE BEGIN ADC1_Init 1 */
  
      /* USER CODE END ADC1_Init 1 */
      /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
       */
      hadc1.Instance = ADC1;
      hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2;
      hadc1.Init.Resolution = ADC_RESOLUTION_12B;
      hadc1.Init.ScanConvMode = DISABLE;
      hadc1.Init.ContinuousConvMode = DISABLE;
      hadc1.Init.DiscontinuousConvMode = DISABLE;
      hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
      hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
      hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
      hadc1.Init.NbrOfConversion = 1;
      hadc1.Init.DMAContinuousRequests = DISABLE;
      hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
      if (HAL_ADC_Init(&hadc1) != 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_0;
      sConfig.Rank = 1;
      sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
      if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) {
          Error_Handler();
      }
      /* USER CODE BEGIN ADC1_Init 2 */
  
      /* USER CODE END ADC1_Init 2 */
  
  }
  
  /**
   * @brief GPIO Initialization Function
   * @param None
   * @retval None
   */
  static void MX_GPIO_Init(void)
  {
      GPIO_InitTypeDef GPIO_InitStruct = {0};
  
      /* GPIO Ports Clock Enable */
      __HAL_RCC_GPIOE_CLK_ENABLE()
      ;
      __HAL_RCC_GPIOC_CLK_ENABLE()
      ;
      __HAL_RCC_GPIOH_CLK_ENABLE()
      ;
      __HAL_RCC_GPIOA_CLK_ENABLE()
      ;
      __HAL_RCC_GPIOD_CLK_ENABLE()
      ;
      __HAL_RCC_GPIOB_CLK_ENABLE()
      ;
  
      /*Configure GPIO pin Output Level */
      HAL_GPIO_WritePin(GPIOE, GPIO_PIN_2 | GPIO_PIN_4 | GPIO_PIN_6 | GPIO_PIN_0, GPIO_PIN_RESET);
  
      /*Configure GPIO pin Output Level */
      HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_RESET);
  
      /*Configure GPIO pin Output Level */
      HAL_GPIO_WritePin(GPIOD, GPIO_PIN_7, GPIO_PIN_RESET);
  
      /*Configure GPIO pin Output Level */
      HAL_GPIO_WritePin(GPIOB, GPIO_PIN_4 | GPIO_PIN_6 | GPIO_PIN_8, GPIO_PIN_RESET);
  
      /*Configure GPIO pins : PE2 PE4 PE6 PE0 */
      GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_4 | GPIO_PIN_6 | GPIO_PIN_0;
      GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
  
      /*Configure GPIO pin : PC14 */
      GPIO_InitStruct.Pin = GPIO_PIN_14;
      GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  
      /*Configure GPIO pin : PA1 */
      GPIO_InitStruct.Pin = GPIO_PIN_1;
      GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
      /*Configure GPIO pin : PD7 */
      GPIO_InitStruct.Pin = GPIO_PIN_7;
      GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
  
      /*Configure GPIO pins : PB4 PB6 PB8 */
      GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_6 | GPIO_PIN_8;
      GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
      GPIO_InitStruct.Pull = GPIO_NOPULL;
      GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
      HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  
  }
  
  /* USER CODE BEGIN 4 */
  
  /* USER CODE END 4 */
  
  /**
   * @brief  This function is executed in case of error occurrence.
   * @retval None
   */
  void Error_Handler(void)
  {
      /* USER CODE BEGIN Error_Handler_Debug */
      /* User can add his own implementation to report the HAL error return state */
  
      /* USER CODE END Error_Handler_Debug */
  }
  
  #ifdef  USE_FULL_ASSERT
  /**
   * @brief  Reports the name of the source file and the source line number
   *         where the assert_param error has occurred.
   * @param  file: pointer to the source file name
   * @param  line: assert_param error line source number
   * @retval None
   */
  void assert_failed(uint8_t *file, uint32_t line)
  {
      /* USER CODE BEGIN 6 */
      /* User can add his own implementation to report the file name and line number,
       tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
      /* USER CODE END 6 */
  }
  #endif /* USE_FULL_ASSERT */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  