Tu Tri Huynh / Mbed OS DISCO-F746NG_light_control_system_tth

School project.

Dependencies:   Timezone NTPClient BSP_DISCO_F746NG Grove_temperature

lcd_functions.h@15:638e65c37d58, 2021-01-19 (annotated)

Committer:
tuxx0046
Date:
Tue Jan 19 10:05:13 2021 +0000
Revision:
15:638e65c37d58
Parent:
13:41debc0b9063
Child:
16:296d68305630
Updated the main_functions and lcd_functions.; Connected all of the functions to have a working program.; Updated some comments and documentation.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tuxx0046 3:02e7aac23ff9 1 /**
tuxx0046 10:137cf2c92871 2 @file lcd_functions.h
tuxx0046 10:137cf2c92871 3 @author Tu Tri Huynh
tuxx0046 10:137cf2c92871 4 @date January 13, 2021
tuxx0046 13:41debc0b9063 5 @brief This file contains functions for the LCD display. The display is visually divided into four equal parts to output different things.
tuxx0046 10:137cf2c92871 6 @section Useful information
tuxx0046 3:02e7aac23ff9 7 LCD size is (480, 272)
tuxx0046 10:137cf2c92871 8 Available font sizes are Font8, Font12, Font16, Font20 or Font24
tuxx0046 10:137cf2c92871 9 */
tuxx0046 3:02e7aac23ff9 10
tuxx0046 3:02e7aac23ff9 11 #include "stm32746g_discovery_lcd.h"
tuxx0046 3:02e7aac23ff9 12
tuxx0046 4:1a12157689a7 13 /**
tuxx0046 4:1a12157689a7 14 This function will initialize the LCD for use
tuxx0046 13:41debc0b9063 15 1/13/2021
tuxx0046 4:1a12157689a7 16 */
tuxx0046 3:02e7aac23ff9 17 void lcd_initialize()
tuxx0046 3:02e7aac23ff9 18 {
tuxx0046 3:02e7aac23ff9 19 BSP_LCD_Init();
tuxx0046 4:1a12157689a7 20 BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS);
tuxx0046 4:1a12157689a7 21 BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER);
tuxx0046 4:1a12157689a7 22 }
tuxx0046 4:1a12157689a7 23
tuxx0046 13:41debc0b9063 24
tuxx0046 3:02e7aac23ff9 25
tuxx0046 4:1a12157689a7 26 /**
tuxx0046 13:41debc0b9063 27 This function will run a screen that tells user to configure the unit
tuxx0046 13:41debc0b9063 28 1/13/2021
tuxx0046 4:1a12157689a7 29 */
tuxx0046 4:1a12157689a7 30 void lcd_show_setup_screen()
tuxx0046 4:1a12157689a7 31 {
tuxx0046 4:1a12157689a7 32 /// Clears the LCD with specified color
tuxx0046 4:1a12157689a7 33 BSP_LCD_Clear(LCD_COLOR_BLACK);
tuxx0046 4:1a12157689a7 34 BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
tuxx0046 4:1a12157689a7 35 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 4:1a12157689a7 36 BSP_LCD_SetFont(&Font24);
tuxx0046 4:1a12157689a7 37 BSP_LCD_DisplayStringAt(0, 50, (uint8_t *)"SETUP", CENTER_MODE);
tuxx0046 4:1a12157689a7 38 BSP_LCD_SetFont(&Font16);
tuxx0046 10:137cf2c92871 39 BSP_LCD_DisplayStringAt(0, 200, (uint8_t *)"Please configure the unit", CENTER_MODE);
tuxx0046 4:1a12157689a7 40 }
tuxx0046 4:1a12157689a7 41
tuxx0046 4:1a12157689a7 42 /**
tuxx0046 4:1a12157689a7 43 This function will runs the startup screen with project- and developer-name
tuxx0046 13:41debc0b9063 44 1/13/2021
tuxx0046 4:1a12157689a7 45 */
tuxx0046 3:02e7aac23ff9 46 void lcd_show_startup_screen()
tuxx0046 3:02e7aac23ff9 47 {
tuxx0046 3:02e7aac23ff9 48 BSP_LCD_Clear(LCD_COLOR_BLACK);
tuxx0046 3:02e7aac23ff9 49 BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
tuxx0046 3:02e7aac23ff9 50 BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
tuxx0046 3:02e7aac23ff9 51 BSP_LCD_DisplayStringAt(0, 100, (uint8_t *)"Light Control System", CENTER_MODE);
tuxx0046 3:02e7aac23ff9 52 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 53 BSP_LCD_DisplayStringAt(0, 200, (uint8_t *)"by Tu Tri Huynh", CENTER_MODE);
tuxx0046 3:02e7aac23ff9 54 HAL_Delay(3000);
tuxx0046 3:02e7aac23ff9 55 }
tuxx0046 3:02e7aac23ff9 56
tuxx0046 4:1a12157689a7 57 /**
tuxx0046 4:1a12157689a7 58 Sets up the upper left part of screen
tuxx0046 13:41debc0b9063 59 1/18/2021
tuxx0046 3:02e7aac23ff9 60 */
tuxx0046 3:02e7aac23ff9 61 void lcd_upper_left()
tuxx0046 3:02e7aac23ff9 62 {
tuxx0046 13:41debc0b9063 63 BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
tuxx0046 3:02e7aac23ff9 64 BSP_LCD_FillRect(0, 0, 240, 136);
tuxx0046 3:02e7aac23ff9 65 }
tuxx0046 3:02e7aac23ff9 66
tuxx0046 13:41debc0b9063 67 /**
tuxx0046 13:41debc0b9063 68 Update the content of the upper left part of display.
tuxx0046 13:41debc0b9063 69 1/18/2021
tuxx0046 13:41debc0b9063 70 */
tuxx0046 13:41debc0b9063 71 void lcd_update_upper_left()
tuxx0046 13:41debc0b9063 72 {
tuxx0046 15:638e65c37d58 73 BSP_LCD_SetBackColor(LCD_COLOR_ORANGE);
tuxx0046 15:638e65c37d58 74 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
tuxx0046 15:638e65c37d58 75 BSP_LCD_SetFont(&Font24);
tuxx0046 15:638e65c37d58 76 BSP_LCD_DisplayStringAt(50, 55, (uint8_t *)"TIME HERE", LEFT_MODE);
tuxx0046 13:41debc0b9063 77 }
tuxx0046 13:41debc0b9063 78
tuxx0046 13:41debc0b9063 79 /**
tuxx0046 13:41debc0b9063 80 Sets up the upper right part of display
tuxx0046 13:41debc0b9063 81 1/18/2021
tuxx0046 13:41debc0b9063 82 */
tuxx0046 3:02e7aac23ff9 83 void lcd_upper_right()
tuxx0046 3:02e7aac23ff9 84 {
tuxx0046 3:02e7aac23ff9 85 BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 86 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 3:02e7aac23ff9 87 BSP_LCD_FillRect(240, 0, 240, 136);
tuxx0046 15:638e65c37d58 88 BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
tuxx0046 15:638e65c37d58 89 BSP_LCD_SetTextColor(LCD_COLOR_DARKYELLOW);
tuxx0046 15:638e65c37d58 90 BSP_LCD_SetFont(&Font20);
tuxx0046 15:638e65c37d58 91 BSP_LCD_DisplayStringAt(5, 16, (uint8_t *)"Light settings", RIGHT_MODE);
tuxx0046 3:02e7aac23ff9 92 }
tuxx0046 3:02e7aac23ff9 93
tuxx0046 13:41debc0b9063 94 /** Update the content of the upper right part of display.
tuxx0046 15:638e65c37d58 95 @param light_reading The intensity level of registered light in percentage
tuxx0046 15:638e65c37d58 96 @param rotary_reading The current position of rotary sensor in percentage
tuxx0046 13:41debc0b9063 97 1/18/2021
tuxx0046 13:41debc0b9063 98 */
tuxx0046 13:41debc0b9063 99 void lcd_update_upper_right(int light_reading, int rotary_reading)
tuxx0046 3:02e7aac23ff9 100 {
tuxx0046 15:638e65c37d58 101 BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
tuxx0046 15:638e65c37d58 102 BSP_LCD_SetTextColor(LCD_COLOR_DARKYELLOW);
tuxx0046 4:1a12157689a7 103 BSP_LCD_SetFont(&Font16);
tuxx0046 15:638e65c37d58 104 char light_to_lcd[30];
tuxx0046 15:638e65c37d58 105 char rotary_to_lcd[30];
tuxx0046 15:638e65c37d58 106 sprintf(light_to_lcd, "Light intensity: %3i%%", light_reading);
tuxx0046 15:638e65c37d58 107 sprintf(rotary_to_lcd, "Rotary turned: %3i%%", rotary_reading);
tuxx0046 15:638e65c37d58 108
tuxx0046 15:638e65c37d58 109 BSP_LCD_DisplayStringAt(0, 46, (uint8_t *)light_to_lcd, RIGHT_MODE);
tuxx0046 15:638e65c37d58 110 BSP_LCD_DisplayStringAt(0, 70, (uint8_t *)rotary_to_lcd, RIGHT_MODE);
tuxx0046 13:41debc0b9063 111 }
tuxx0046 13:41debc0b9063 112
tuxx0046 13:41debc0b9063 113 /**
tuxx0046 13:41debc0b9063 114 Sets up the lower left part of display
tuxx0046 13:41debc0b9063 115 1/13/2021
tuxx0046 13:41debc0b9063 116 */
tuxx0046 13:41debc0b9063 117 void lcd_lower_left()
tuxx0046 13:41debc0b9063 118 {
tuxx0046 13:41debc0b9063 119 BSP_LCD_SetBackColor(LCD_COLOR_DARKMAGENTA);
tuxx0046 13:41debc0b9063 120 BSP_LCD_SetTextColor(LCD_COLOR_DARKMAGENTA);
tuxx0046 13:41debc0b9063 121 BSP_LCD_FillRect(0, 136, 240, 136);
tuxx0046 13:41debc0b9063 122 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 13:41debc0b9063 123 BSP_LCD_SetFont(&Font20);
tuxx0046 13:41debc0b9063 124 BSP_LCD_DisplayStringAt(5, 160, (uint8_t *)"Location", LEFT_MODE);
tuxx0046 3:02e7aac23ff9 125 }
tuxx0046 3:02e7aac23ff9 126
tuxx0046 13:41debc0b9063 127 /**
tuxx0046 13:41debc0b9063 128 Updates the content of the lower left area of the display
tuxx0046 13:41debc0b9063 129 @building[] Name of the building
tuxx0046 13:41debc0b9063 130 @room[] Name of the room
tuxx0046 13:41debc0b9063 131 1/18/2021
tuxx0046 13:41debc0b9063 132 */
tuxx0046 13:41debc0b9063 133 void lcd_update_lower_left(char building[], char room[])
tuxx0046 13:41debc0b9063 134 {
tuxx0046 13:41debc0b9063 135 BSP_LCD_SetBackColor(LCD_COLOR_DARKMAGENTA);
tuxx0046 13:41debc0b9063 136 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
tuxx0046 13:41debc0b9063 137 BSP_LCD_SetFont(&Font12);
tuxx0046 13:41debc0b9063 138 BSP_LCD_DisplayStringAt(35, 200, (uint8_t *)building, LEFT_MODE);
tuxx0046 13:41debc0b9063 139 BSP_LCD_DisplayStringAt(35, 220, (uint8_t *)room, LEFT_MODE);
tuxx0046 13:41debc0b9063 140 }
tuxx0046 13:41debc0b9063 141
tuxx0046 13:41debc0b9063 142 /**
tuxx0046 13:41debc0b9063 143 Sets up the lower right part of display
tuxx0046 13:41debc0b9063 144 1/18/2021
tuxx0046 13:41debc0b9063 145 */
tuxx0046 3:02e7aac23ff9 146 void lcd_lower_right()
tuxx0046 3:02e7aac23ff9 147 {
tuxx0046 3:02e7aac23ff9 148 BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
tuxx0046 3:02e7aac23ff9 149 BSP_LCD_FillRect(240, 136, 240, 136);
tuxx0046 13:41debc0b9063 150 BSP_LCD_SetBackColor(LCD_COLOR_CYAN);
tuxx0046 13:41debc0b9063 151 BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
tuxx0046 13:41debc0b9063 152 BSP_LCD_SetFont(&Font20);
tuxx0046 13:41debc0b9063 153 BSP_LCD_DisplayStringAt(5, 160, (uint8_t *)"Temperature", RIGHT_MODE);
tuxx0046 13:41debc0b9063 154 }
tuxx0046 13:41debc0b9063 155
tuxx0046 13:41debc0b9063 156 /** Update the content of the lower right part of display.
tuxx0046 15:638e65c37d58 157 @param temp The temperature reading from the thermal sensor
tuxx0046 15:638e65c37d58 158 @param is_fahrenheit The bool value to determine if temperature unit should switch to fahrenheit or not
tuxx0046 13:41debc0b9063 159 1/18/2021
tuxx0046 13:41debc0b9063 160 */
tuxx0046 13:41debc0b9063 161 void lcd_update_lower_right(float temp, bool is_fahrenheit)
tuxx0046 13:41debc0b9063 162 {
tuxx0046 13:41debc0b9063 163 char temp_text[30];
tuxx0046 13:41debc0b9063 164 if (is_fahrenheit == true)
tuxx0046 13:41debc0b9063 165 {
tuxx0046 13:41debc0b9063 166 float fahrenheit = helper_convert_celsius_to_fahrenheit(temp);
tuxx0046 13:41debc0b9063 167 sprintf(temp_text, "%3.0f F", fahrenheit);
tuxx0046 13:41debc0b9063 168 }
tuxx0046 13:41debc0b9063 169 else
tuxx0046 13:41debc0b9063 170 {
tuxx0046 13:41debc0b9063 171 sprintf(temp_text, "%2.0f C", temp);
tuxx0046 13:41debc0b9063 172 }
tuxx0046 13:41debc0b9063 173 BSP_LCD_SetBackColor(LCD_COLOR_CYAN);
tuxx0046 13:41debc0b9063 174 BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
tuxx0046 13:41debc0b9063 175 BSP_LCD_SetFont(&Font24);
tuxx0046 13:41debc0b9063 176 BSP_LCD_DisplayStringAt(35, 210, (uint8_t *)temp_text, RIGHT_MODE);
tuxx0046 13:41debc0b9063 177 BSP_LCD_DrawCircle(421, 214, 3);
tuxx0046 3:02e7aac23ff9 178 }
tuxx0046 3:02e7aac23ff9 179
tuxx0046 3:02e7aac23ff9 180 // Shows the main screen
tuxx0046 3:02e7aac23ff9 181 void lcd_show_main_screen()
tuxx0046 3:02e7aac23ff9 182 {
tuxx0046 3:02e7aac23ff9 183 BSP_LCD_Clear(LCD_COLOR_DARKBLUE); // Clear with color
tuxx0046 3:02e7aac23ff9 184 lcd_upper_left();
tuxx0046 15:638e65c37d58 185 lcd_lower_left();
tuxx0046 15:638e65c37d58 186 lcd_upper_right();
tuxx0046 3:02e7aac23ff9 187 lcd_lower_right();
tuxx0046 13:41debc0b9063 188 }
tuxx0046 13:41debc0b9063 189
tuxx0046 13:41debc0b9063 190 /**
tuxx0046 13:41debc0b9063 191 This function will print LCD size in console terminal
tuxx0046 13:41debc0b9063 192 @date 1/13/2021
tuxx0046 13:41debc0b9063 193 */
tuxx0046 13:41debc0b9063 194 void lcd_get_screen_size()
tuxx0046 13:41debc0b9063 195 {
tuxx0046 13:41debc0b9063 196 printf("LCD X size : %zu\n\r",BSP_LCD_GetXSize()); //result: 480
tuxx0046 13:41debc0b9063 197 printf("LCD Y size : %zu\n\r",BSP_LCD_GetYSize()); //result: 272
tuxx0046 3:02e7aac23ff9 198 }