Tu Tri Huynh / Mbed OS DISCO-F746NG_light_control_system_tth

School project.

Dependencies:   Timezone NTPClient BSP_DISCO_F746NG Grove_temperature

lcd_functions.h@3:02e7aac23ff9, 2021-01-13 (annotated)

Committer:
tuxx0046
Date:
Wed Jan 13 12:11:54 2021 +0000
Revision:
3:02e7aac23ff9
Child:
4:1a12157689a7
Started working on basic LCD functionalities, using code from a previous project.; Changed some minor things in comments.; Renamed filename.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tuxx0046 3:02e7aac23ff9 1 /**
tuxx0046 3:02e7aac23ff9 2 @file lcd_functions.h
tuxx0046 3:02e7aac23ff9 3
tuxx0046 3:02e7aac23ff9 4 @brief This file contains functions for graphicall dividing screen and outputting specific information to the display.
tuxx0046 3:02e7aac23ff9 5 LCD size is (480, 272)
tuxx0046 3:02e7aac23ff9 6 Available font sizes Font8, Font12, Font16, Font20 or Font24
tuxx0046 3:02e7aac23ff9 7
tuxx0046 3:02e7aac23ff9 8 @author Tu Tri Huynh
tuxx0046 3:02e7aac23ff9 9
tuxx0046 3:02e7aac23ff9 10 @date 1/13/2021
tuxx0046 3:02e7aac23ff9 11 */
tuxx0046 3:02e7aac23ff9 12 #include "stm32746g_discovery_lcd.h"
tuxx0046 3:02e7aac23ff9 13
tuxx0046 3:02e7aac23ff9 14 // Initializes the LCD for use
tuxx0046 3:02e7aac23ff9 15 void lcd_initialize()
tuxx0046 3:02e7aac23ff9 16 {
tuxx0046 3:02e7aac23ff9 17 BSP_LCD_Init();
tuxx0046 3:02e7aac23ff9 18 BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS); // Initialize LCD layers
tuxx0046 3:02e7aac23ff9 19 BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER); // Select the LCD Layer
tuxx0046 3:02e7aac23ff9 20 }
tuxx0046 3:02e7aac23ff9 21
tuxx0046 3:02e7aac23ff9 22 // Runs the startup screen with name and project name
tuxx0046 3:02e7aac23ff9 23 void lcd_show_startup_screen()
tuxx0046 3:02e7aac23ff9 24 {
tuxx0046 3:02e7aac23ff9 25 // Startup screen
tuxx0046 3:02e7aac23ff9 26 BSP_LCD_Clear(LCD_COLOR_BLACK);
tuxx0046 3:02e7aac23ff9 27 BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
tuxx0046 3:02e7aac23ff9 28 BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
tuxx0046 3:02e7aac23ff9 29 BSP_LCD_DisplayStringAt(0, 100, (uint8_t *)"Light Control System", CENTER_MODE);
tuxx0046 3:02e7aac23ff9 30 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 31 BSP_LCD_DisplayStringAt(0, 200, (uint8_t *)"by Tu Tri Huynh", CENTER_MODE);
tuxx0046 3:02e7aac23ff9 32 HAL_Delay(3000);
tuxx0046 3:02e7aac23ff9 33 }
tuxx0046 3:02e7aac23ff9 34
tuxx0046 3:02e7aac23ff9 35 /*
tuxx0046 3:02e7aac23ff9 36 Screen is divided into four parts equal in size
tuxx0046 3:02e7aac23ff9 37 */
tuxx0046 3:02e7aac23ff9 38
tuxx0046 3:02e7aac23ff9 39 // Sets up the upper left part of screen
tuxx0046 3:02e7aac23ff9 40
tuxx0046 3:02e7aac23ff9 41 void lcd_upper_left()
tuxx0046 3:02e7aac23ff9 42 {
tuxx0046 3:02e7aac23ff9 43 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
tuxx0046 3:02e7aac23ff9 44 BSP_LCD_FillRect(0, 0, 240, 136);
tuxx0046 3:02e7aac23ff9 45 }
tuxx0046 3:02e7aac23ff9 46
tuxx0046 3:02e7aac23ff9 47 void lcd_upper_left_smiley()
tuxx0046 3:02e7aac23ff9 48 {
tuxx0046 3:02e7aac23ff9 49 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
tuxx0046 3:02e7aac23ff9 50 BSP_LCD_FillRect(0, 0, 240, 136);
tuxx0046 3:02e7aac23ff9 51 BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
tuxx0046 3:02e7aac23ff9 52 // Create yellow circle in the middle of field
tuxx0046 3:02e7aac23ff9 53 BSP_LCD_FillCircle(120, 68, 50);
tuxx0046 3:02e7aac23ff9 54 BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
tuxx0046 3:02e7aac23ff9 55 BSP_LCD_FillCircle(120, 90, 15);
tuxx0046 3:02e7aac23ff9 56 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 57 BSP_LCD_FillCircle(100, 58, 10);
tuxx0046 3:02e7aac23ff9 58 BSP_LCD_FillCircle(140, 58, 10);
tuxx0046 3:02e7aac23ff9 59 BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
tuxx0046 3:02e7aac23ff9 60 BSP_LCD_FillCircle(100, 58, 3);
tuxx0046 3:02e7aac23ff9 61 BSP_LCD_FillCircle(140, 58, 3);
tuxx0046 3:02e7aac23ff9 62 }
tuxx0046 3:02e7aac23ff9 63
tuxx0046 3:02e7aac23ff9 64 // Sets up the upper right part of screen
tuxx0046 3:02e7aac23ff9 65 void lcd_upper_right()
tuxx0046 3:02e7aac23ff9 66 {
tuxx0046 3:02e7aac23ff9 67 BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 68 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 69 BSP_LCD_FillRect(240, 0, 240, 136);
tuxx0046 3:02e7aac23ff9 70 }
tuxx0046 3:02e7aac23ff9 71
tuxx0046 3:02e7aac23ff9 72 // Sets up the lower left part of screen
tuxx0046 3:02e7aac23ff9 73 void lcd_lower_left()
tuxx0046 3:02e7aac23ff9 74 {
tuxx0046 3:02e7aac23ff9 75 BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
tuxx0046 3:02e7aac23ff9 76 BSP_LCD_FillRect(0, 136, 240, 136);
tuxx0046 3:02e7aac23ff9 77 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 78 // Set font to be smaller for this part
tuxx0046 3:02e7aac23ff9 79 BSP_LCD_SetFont(&Font12);
tuxx0046 3:02e7aac23ff9 80 BSP_LCD_DisplayStringAt(5, 160, (uint8_t *)"Tu Tri Huynh", LEFT_MODE);
tuxx0046 3:02e7aac23ff9 81 BSP_LCD_DisplayStringAt(5, 180, (uint8_t *)"Embedded Programming", LEFT_MODE);
tuxx0046 3:02e7aac23ff9 82 BSP_LCD_DisplayStringAt(5, 200, (uint8_t *)"Light Control System", LEFT_MODE);
tuxx0046 3:02e7aac23ff9 83 // Reset fontsize
tuxx0046 3:02e7aac23ff9 84 BSP_LCD_SetFont(&Font16);
tuxx0046 3:02e7aac23ff9 85 }
tuxx0046 3:02e7aac23ff9 86
tuxx0046 3:02e7aac23ff9 87 // Sets up the upper right part of screen
tuxx0046 3:02e7aac23ff9 88 void lcd_lower_right()
tuxx0046 3:02e7aac23ff9 89 {
tuxx0046 3:02e7aac23ff9 90 BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
tuxx0046 3:02e7aac23ff9 91 BSP_LCD_FillRect(240, 136, 240, 136);
tuxx0046 3:02e7aac23ff9 92 }
tuxx0046 3:02e7aac23ff9 93
tuxx0046 3:02e7aac23ff9 94 // Shows the main screen
tuxx0046 3:02e7aac23ff9 95 void lcd_show_main_screen()
tuxx0046 3:02e7aac23ff9 96 {
tuxx0046 3:02e7aac23ff9 97 BSP_LCD_Clear(LCD_COLOR_DARKBLUE); // Clear with color
tuxx0046 3:02e7aac23ff9 98 lcd_upper_left();
tuxx0046 3:02e7aac23ff9 99 lcd_lower_left();
tuxx0046 3:02e7aac23ff9 100 lcd_upper_right();
tuxx0046 3:02e7aac23ff9 101 lcd_lower_right();
tuxx0046 3:02e7aac23ff9 102
tuxx0046 3:02e7aac23ff9 103
tuxx0046 3:02e7aac23ff9 104 /******** DEMO CODE EXAMPLE *****/
tuxx0046 3:02e7aac23ff9 105 /*
tuxx0046 3:02e7aac23ff9 106 BSP_LCD_Clear(LCD_COLOR_DARKBLUE); // Clear and set color
tuxx0046 3:02e7aac23ff9 107 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
tuxx0046 3:02e7aac23ff9 108 BSP_LCD_DrawRect(10, 20, 50, 50);
tuxx0046 3:02e7aac23ff9 109 BSP_LCD_SetTextColor(LCD_COLOR_BROWN);
tuxx0046 3:02e7aac23ff9 110 BSP_LCD_FillCircle(80, 80, 50);
tuxx0046 3:02e7aac23ff9 111 BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
tuxx0046 3:02e7aac23ff9 112 BSP_LCD_DrawEllipse(150, 150, 50, 100);
tuxx0046 3:02e7aac23ff9 113 BSP_LCD_SetTextColor(LCD_COLOR_RED);
tuxx0046 3:02e7aac23ff9 114 BSP_LCD_FillCircle(200, 200, 40);
tuxx0046 3:02e7aac23ff9 115 HAL_Delay(2000);
tuxx0046 3:02e7aac23ff9 116
tuxx0046 3:02e7aac23ff9 117
tuxx0046 3:02e7aac23ff9 118 BSP_LCD_SetBackColor(LCD_COLOR_DARKBLUE);
tuxx0046 3:02e7aac23ff9 119 BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
tuxx0046 3:02e7aac23ff9 120 //BSP_LCD_DisplayStringAt(0, 6, (uint8_t *)output, RIGHT_MODE);
tuxx0046 3:02e7aac23ff9 121 //HAL_Delay(2000);
tuxx0046 3:02e7aac23ff9 122 */
tuxx0046 3:02e7aac23ff9 123 }