text: /**
    ******************************************************************************
    * @file    BSP/Src/lcd.c
    * @author  MCD Application Team
    * @brief   This example code shows how to use LCD drawing features.
    ******************************************************************************
    * @attention
    *
    * Copyright (c) 2018 STMicroelectronics.
    * All rights reserved.
    *
    * This software is licensed under terms that can be found in the LICENSE file
    * in the root directory of this software component.
    * If no LICENSE file comes with this software, it is provided AS-IS.
    *
    ******************************************************************************
    */
  
  /* Includes ------------------------------------------------------------------*/
  #include "main.h"
  
  /** @addtogroup STM32F7xx_HAL_Examples
    * @{
    */
  
  /** @addtogroup BSP
    * @{
    */
  
  /* Private typedef -----------------------------------------------------------*/
  /* Private define ------------------------------------------------------------*/
  #define LCD_FEATURES_NUM                3
  /* Private macro -------------------------------------------------------------*/
  /* Private variables ---------------------------------------------------------*/
  static uint8_t LCD_Feature = 0;
  /* Private function prototypes -----------------------------------------------*/
  static void LCD_SetHint(void);
  static void LCD_Show_Feature(uint8_t feature);
  /* Private functions ---------------------------------------------------------*/
  
  /**
    * @brief  LCD demo
    * @param  None
    * @retval None
    */
  void LCD_demo (void)
  {
    LCD_SetHint();
    LCD_Feature = 0;
    LCD_Show_Feature (LCD_Feature);
  
    while (1)
    {
  
      if (CheckForUserInput() > 0)
      {
        if (++LCD_Feature < LCD_FEATURES_NUM)
        {
          LCD_Show_Feature (LCD_Feature);
        }
        else
        {
          return;
        }
      }
      HAL_Delay(100);
    }
  }
  
  /**
    * @brief  Display LCD demo hint
    * @param  None
    * @retval None
    */
  static void LCD_SetHint(void)
  {
    /* Clear the LCD */
    BSP_LCD_Clear(LCD_COLOR_WHITE);
  
    /* Set LCD Demo description */
    BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
    BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80);
    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
    BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
    BSP_LCD_SetFont(&Font24);
    BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"LCD", CENTER_MODE);
    BSP_LCD_SetFont(&Font12);
    BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"This example shows the different", CENTER_MODE);
    BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"LCD Features, use BUTTON to display", CENTER_MODE);
    BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"next page", CENTER_MODE);
  
    /* Set the LCD Text Color */
    BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
    BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize() - 100);
    BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize() - 102);
  }
  
  /**
    * @brief  Show LCD Features
    * @param  feature : feature index
    * @retval None
    */
  static void LCD_Show_Feature(uint8_t feature)
  {
    Point Points[] = {{20, 150}, {80, 150}, {80, 200}};
    Point Points2[] = {{100, 150}, {160, 150}, {160, 200}};
  
    BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
    BSP_LCD_FillRect(12, 92, BSP_LCD_GetXSize() - 24, BSP_LCD_GetYSize() - 104);
    BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
  
    switch (feature)
    {
      case 0:
        /* Text Feature */
  
        BSP_LCD_DisplayStringAt(14, 100, (uint8_t *)"Left aligned Text", LEFT_MODE);
        BSP_LCD_DisplayStringAt(0, 115, (uint8_t *)"Center aligned Text", CENTER_MODE);
        BSP_LCD_DisplayStringAt(14, 130, (uint8_t *)"Right aligned Text", RIGHT_MODE);
        BSP_LCD_SetFont(&Font24);
        BSP_LCD_DisplayStringAt(14, 180, (uint8_t *)"Font24", LEFT_MODE);
        BSP_LCD_SetFont(&Font20);
        BSP_LCD_DisplayStringAt(BSP_LCD_GetXSize() / 2 - 20, 180, (uint8_t *)"Font20", LEFT_MODE);
        BSP_LCD_SetFont(&Font16);
        BSP_LCD_DisplayStringAt(BSP_LCD_GetXSize() - 80, 184, (uint8_t *)"Font16", LEFT_MODE);
        break;
  
      case 1:
  
        /* Draw misc. Shapes */
        BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
        BSP_LCD_DrawRect(20, 100, 60 , 40);
        BSP_LCD_FillRect(100, 100, 60 , 40);
  
        BSP_LCD_SetTextColor(LCD_COLOR_GRAY);
        BSP_LCD_DrawCircle(BSP_LCD_GetXSize() - 120, 120, 20);
        BSP_LCD_FillCircle(BSP_LCD_GetXSize() - 40, 120, 20);
  
        BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
        BSP_LCD_DrawPolygon(Points, 3);
        BSP_LCD_FillPolygon(Points2, 3);
  
        BSP_LCD_SetTextColor(LCD_COLOR_RED);
        BSP_LCD_DrawEllipse(BSP_LCD_GetXSize() - 120, 170, 30, 20);
        BSP_LCD_FillEllipse(BSP_LCD_GetXSize() - 50, 170, 30, 20);
  
        BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
        BSP_LCD_DrawHLine(20, BSP_LCD_GetYSize() - 30, BSP_LCD_GetXSize() / 5);
        BSP_LCD_DrawLine (BSP_LCD_GetXSize() - 150, BSP_LCD_GetYSize() - 20, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize() - 50);
        BSP_LCD_DrawLine (BSP_LCD_GetXSize() - 150, BSP_LCD_GetYSize() - 50, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize() - 20);
        break;
  
      case 2:
        /* Draw Bitmap */
        BSP_LCD_DrawBitmap(20, 100, (uint8_t *)stlogo);
        HAL_Delay(100);
  
        BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() / 2 - 40, 100, (uint8_t *)stlogo);
        HAL_Delay(100);
  
        BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() - 100, 100, (uint8_t *)stlogo);
        HAL_Delay(100);
  
        BSP_LCD_DrawBitmap(20, BSP_LCD_GetYSize() - 80, (uint8_t *)stlogo);
        HAL_Delay(100);
  
        BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() / 2 - 40, BSP_LCD_GetYSize() - 80, (uint8_t *)stlogo);
        HAL_Delay(100);
  
        BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() - 100, BSP_LCD_GetYSize() - 80, (uint8_t *)stlogo);
        HAL_Delay(100);
        break;
  
      default :
        break;
    }
  }
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  