File content as of revision 10:137cf2c92871:

/**
@file    lcd_functions.h
@author  Tu Tri Huynh
@date    January 13, 2021
@brief   This file contains functions for the LCD display.
@section Useful information
LCD size is (480, 272)
Available font sizes are Font8, Font12, Font16, Font20 or Font24
*/

#include "stm32746g_discovery_lcd.h"

/**
This function will initialize the LCD for use
@date 1/13/2021
*/
void lcd_initialize()
{
    BSP_LCD_Init();
    BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS);
    BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER);
}

/**
This function will print LCD size in console terminal
*/
void lcd_get_screen_size()
{
    printf("LCD X size : %zu\n\r",BSP_LCD_GetXSize()); //result: 480
    printf("LCD Y size : %zu\n\r",BSP_LCD_GetYSize()); //result: 272
}

/**
This function will run a screen that tells user to input building and room for the unit
@date 1/13/2021
*/
void lcd_show_setup_screen()
{    
    /// Clears the LCD with specified color
    BSP_LCD_Clear(LCD_COLOR_BLACK);
    BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
    BSP_LCD_SetFont(&Font24);
    BSP_LCD_DisplayStringAt(0, 50, (uint8_t *)"SETUP", CENTER_MODE);
    BSP_LCD_SetFont(&Font16);
    BSP_LCD_DisplayStringAt(0, 200, (uint8_t *)"Please configure the unit", CENTER_MODE);
}

/**
This function will runs the startup screen with project- and developer-name
@date 1/13/2021
*/
void lcd_show_startup_screen()
{    
    BSP_LCD_Clear(LCD_COLOR_BLACK);
    BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
    BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
    BSP_LCD_DisplayStringAt(0, 100, (uint8_t *)"Light Control System", CENTER_MODE);
    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
    BSP_LCD_DisplayStringAt(0, 200, (uint8_t *)"by Tu Tri Huynh", CENTER_MODE);
    HAL_Delay(3000);
}

/**
Sets up the upper left part of screen
*/
void lcd_upper_left()
{
    BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
    BSP_LCD_FillRect(0, 0, 240, 136);
}

// Sets up the upper right part of screen
void lcd_upper_right()
{
    BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
    BSP_LCD_FillRect(240, 0, 240, 136);
}

// Sets up the lower left part of screen
void lcd_lower_left(char building[], char room[])
{
    BSP_LCD_Clear(LCD_COLOR_DARKBLUE);
    
    BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
    BSP_LCD_FillRect(0, 136, 240, 136);
    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
    BSP_LCD_SetFont(&Font16);
    BSP_LCD_DisplayStringAt(5, 160, (uint8_t *)"Current location", LEFT_MODE);
    BSP_LCD_SetFont(&Font12);
    BSP_LCD_DisplayStringAt(5, 200, (uint8_t *)building, LEFT_MODE);
    BSP_LCD_DisplayStringAt(5, 210, (uint8_t *)room, LEFT_MODE);
    //BSP_LCD_DisplayStringAt(5, 200, (uint8_t *)"Light Control System", LEFT_MODE);
    // Reset fontsize
    BSP_LCD_SetFont(&Font16);
}

// Sets up the upper right part of screen
void lcd_lower_right()
{
    BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
    BSP_LCD_FillRect(240, 136, 240, 136);
}

// Shows the main screen
void lcd_show_main_screen()
{
    BSP_LCD_Clear(LCD_COLOR_DARKBLUE); // Clear with color
    lcd_upper_left();
    //lcd_lower_left();
    lcd_upper_right();
    lcd_lower_right();
    
    
    /******** DEMO CODE EXAMPLE *****/
    /*
    BSP_LCD_Clear(LCD_COLOR_DARKBLUE); // Clear and set color
    BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
    BSP_LCD_DrawRect(10, 20, 50, 50);
    BSP_LCD_SetTextColor(LCD_COLOR_BROWN);
    BSP_LCD_FillCircle(80, 80, 50);
    BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
    BSP_LCD_DrawEllipse(150, 150, 50, 100);
    BSP_LCD_SetTextColor(LCD_COLOR_RED);
    BSP_LCD_FillCircle(200, 200, 40);
    HAL_Delay(2000);
    
    
    BSP_LCD_SetBackColor(LCD_COLOR_DARKBLUE);
    BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
    //BSP_LCD_DisplayStringAt(0, 6, (uint8_t *)output, RIGHT_MODE);
    //HAL_Delay(2000);
    */
}