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/**
******************************************************************************
* @file BSP/Src/lcd.c
* @author MCD Application Team
* @brief This example code shows how to use LCD drawing features.
******************************************************************************
* @attention
*
* Copyright (c) 2017 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 STM32F4xx_HAL_Examples
* @{
*/
/** @addtogroup BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
typedef enum
{
LCD_FEAT_TEXT = 0x00, /* Text display in default LCD mode */
LCD_FEAT_SIMPLE_SHAPES = 0x01, /* Simple shapes displayed in default LCD mode */
LCD_FEAT_BASIC_BITMAP = 0x02, /* Basic bitmaps 'stlogo' repeated display in default LCD mode */
LCD_FEAT_ULPM_DATA_ONLY = 0x03, /* ULPM mode In and Out with Data only */
LCD_FEAT_ULPM_DATA_AND_CLOCK = 0x04, /* ULPM mode In and Out with Data and Clock */
LCD_FEAT_NB_MAX = 0x05, /* Max number of LCD features to show */
} LcdDemoFeatures_TypeDef;
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
static uint8_t lcd_feature_idx = 0; /* LCD feature index */
/* Private function prototypes -----------------------------------------------*/
static void LCD_SetInitialHint(void);
static void LCD_SetHint(uint8_t feature_index);
static void LCD_Show_Feature(uint8_t feature_index);
static void LCD_Show_FeatureText(void);
static void LCD_Show_FeatureSimpleShapes(void);
static void LCD_Show_FeatureBasicBitmap(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief LCD demo
* @param None
* @retval None
*/
void LCD_demo(void)
{
lcd_feature_idx = 0;
LCD_SetInitialHint();
LCD_Show_Feature(lcd_feature_idx);
lcd_feature_idx++;
while (1)
{
if (CheckForUserInput() > 0)
{
/* Careful : The last step (LCD_FEAT_NB_MAX) is used to restore LCD DSI normal mode */
if (lcd_feature_idx <= LCD_FEAT_BASIC_BITMAP)
//if (lcd_feature_idx <= LCD_FEAT_NB_MAX)
{
LCD_Show_Feature(lcd_feature_idx);
lcd_feature_idx++;
}
else
{
/* Exit LCD demo once passed the last feature shown */
return;
}
} /* of if (CheckForUserInput() > 0) */
HAL_Delay(100);
}
}
/**
* @brief Display LCD demo initial hint
* @param None
* @retval None
*/
static void LCD_SetInitialHint(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 Demo", 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, press TAMPER button", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"to switch to next test", 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 Display LCD demo contextual hint
* @param feature_index : index of the feature to show
* @retval None
*/
static void LCD_SetHint(uint8_t feature_index)
{
if(feature_index < LCD_FEAT_NB_MAX)
{
/* 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 Demo", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
switch(feature_index)
{
case LCD_FEAT_TEXT :
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Basic Text", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"With different Fonts sizes", CENTER_MODE);
break;
case LCD_FEAT_SIMPLE_SHAPES :
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Simple Shapes", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"Draws circles, ellipses, polygons...", CENTER_MODE);
break;
case LCD_FEAT_BASIC_BITMAP :
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"Basic Bitmap", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"Display logo several times...", CENTER_MODE);
break;
case LCD_FEAT_ULPM_DATA_ONLY :
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"ULPM mode in/out", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"data only...", CENTER_MODE);
break;
case LCD_FEAT_ULPM_DATA_AND_CLOCK :
BSP_LCD_DisplayStringAt(0, 30, (uint8_t *)"ULPM mode in/out", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 45, (uint8_t *)"data and clock ...", CENTER_MODE);
break;
default :
break;
}
BSP_LCD_DisplayStringAt(0, 60, (uint8_t *)"press TAMPER button press for next test", 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);
} /* of if(feature_index < LCD_FEAT_NB_MAX) */
}
/**
* @brief LCD demo Text
* @param None
* @retval None
*/
static void LCD_Show_FeatureText(void)
{
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
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);
}
/**
* @brief LCD demo Simple Shapes
* @param None
* @retval None
*/
static void LCD_Show_FeatureSimpleShapes(void)
{
Point Points[] = {{20, 150}, {80, 150}, {80, 200}};
Point Points2[] = {{100, 150}, {160, 150}, {160, 200}};
/* Draw misc Shapes inside rectangle area below */
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_DrawRect(20, 100, 60 , 40);
/* Clear internal of rectangle area before display */
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);
}
/**
* @brief LCD demo Basic Bitmap
* @param None
* @retval None
*/
static void LCD_Show_FeatureBasicBitmap(void)
{
/* Draw several Bitmaps 'stlogo' inside rectangle area */
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_DrawBitmap(20, 100, (uint8_t *)stlogo);
HAL_Delay(50);
BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() / 2 - 40, 100, (uint8_t *)stlogo);
HAL_Delay(50);
BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() - 100, 100, (uint8_t *)stlogo);
HAL_Delay(50);
BSP_LCD_DrawBitmap(20, BSP_LCD_GetYSize() - 80, (uint8_t *)stlogo);
HAL_Delay(50);
BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() / 2 - 40, BSP_LCD_GetYSize() - 80, (uint8_t *)stlogo);
HAL_Delay(50);
BSP_LCD_DrawBitmap(BSP_LCD_GetXSize() - 100, BSP_LCD_GetYSize() - 80, (uint8_t *)stlogo);
HAL_Delay(50);
}
/**
* @brief Show LCD Features
* @param feature_index : feature index
* @retval None
*/
static void LCD_Show_Feature(uint8_t feature_index)
{
uint8_t lcd_status = LCD_OK;
if(feature_index < LCD_FEAT_NB_MAX)
{
LCD_SetHint(feature_index);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
/* Clear in white the internal part of rectangle */
BSP_LCD_FillRect(12, 92, BSP_LCD_GetXSize() - 24, BSP_LCD_GetYSize() - 104);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
switch(feature_index)
{
case LCD_FEAT_TEXT :
/* Keep default LCD/DSI and LTDC Mode for this demo item */
LCD_Show_FeatureText();
break;
case LCD_FEAT_SIMPLE_SHAPES :
/* Keep default LCD/DSI and LTDC Mode for this demo item */
LCD_Show_FeatureSimpleShapes();
break;
case LCD_FEAT_BASIC_BITMAP :
/* Keep default LCD/DSI and LTDC Mode for this demo item */
LCD_Show_FeatureBasicBitmap();
break;
case LCD_FEAT_ULPM_DATA_ONLY :
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() / 2, (uint8_t *)"Only testable in mode Video Burst", CENTER_MODE);
break;
case LCD_FEAT_ULPM_DATA_AND_CLOCK :
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() / 2, (uint8_t *)"Only testable in mode Video Burst", CENTER_MODE);
break;
default :
break;
} /* of switch(feature_index) */
} /* of if(feature_index < LCD_FEAT_NB_MAX) */
else if(feature_index == LCD_FEAT_NB_MAX)
{
/* Just after last index, restore the normal BSP LCD mode for following tests of the BSP display results */
/* Proceed to LTDC and DSI initialization with the configuration filled in above */
lcd_status = BSP_LCD_Init();
while(lcd_status != LCD_OK);
/* Clear the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Print text to Describe the current LCD DSI configuration */
/* Print text to Describe the current LCD DSI configuration */
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() / 2 - 20, (uint8_t *)"Successfully restored", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() / 2 - 0, (uint8_t *)"Default LCD Mode.", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() / 2 + 20, (uint8_t *)"Press on TAMPER button to switch to next demo", CENTER_MODE);
} /* of else if(feature_index == LCD_FEAT_NB_MAX) */
}
/**
* @}
*/
/**
* @}
*/