Вывод положения энкодера на экран

#include "main.h"
 
 
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <string.h>
#include <stdbool.h>
/* 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 ---------------------------------------------------------*/
 
/* USER CODE BEGIN PV */
 uint8_t TurnsDetected,PrevTurnsDetected;
 int  count=0, previouscount, rotationDirection;
volatile float u[2];
volatile uint16_t ADC_Data[2];
volatile uint32_t ADC_accum[2];// массив накопления измерений
uint16_t t; //переменная для счета
volatile uint16_t H;
bool state, state1;
/* USER CODE END PV */
 
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_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 */
    
    char str[21];
    char hall[21];
     
    
  /* 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();
  /* USER CODE BEGIN 2 */
 
LCD_ini();
sprintf(str,"Hello");
LCD_String (str);
LCD_SetPos(0,1);
sprintf(str,"my");
LCD_String (str);
LCD_SetPos(5,1);
sprintf(str,"programm");
LCD_String (str);
HAL_Delay(1000);
LCD_Clear();
//HAL_ADCEx_InjectedStart_IT(&hadc1);//запустим аналого-цифровое преобразование
 
  /* USER CODE END 2 */
 
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
        
    
    /* USER CODE END WHILE */
    if(TurnsDetected)
    {
    TurnsDetected=0;
        if (rotationDirection)
    count+=1;
        else if (!rotationDirection)
            count-=1;
        }
        
        LCD_SetPos(0,0);
        sprintf(hall,"step:");          
        LCD_String (hall);          
        LCD_SetPos(6,0);//покажем результат на ЖКп-дисплее
    LCD_String(count);
        if (count!=previouscount)
        {
        LCD_SetPos(0,0);
        sprintf(hall,"step:");          
        LCD_String (hall);          
        LCD_SetPos(6,0);//покажем результат на ЖКп-дисплее
    LCD_String("    ");
        }
    /* USER CODE BEGIN 3 */
  }

LCD_String(count);

sprintf(str,"Count = %d",count);
LCD_String (str);