ELEC2645 (2015/16) / Mbed 2 deprecated 2ndYearProject-DistanceSensor

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   N5110 SRF02-JEB mbed

introScreen/intro.h@3:ab75e6a12701, 2016-05-05 (annotated)

Committer:
ll13j7b
Date:
Thu May 05 14:22:27 2016 +0000
Revision:
3:ab75e6a12701
Parent:
2:01f697b856de 
Final Code Submission

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ll13j7b 2:01f697b856de 1 /**
ll13j7b 2:01f697b856de 2 @file intro.h
ll13j7b 2:01f697b856de 3 @brief Introduction
ll13j7b 2:01f697b856de 4 @author James Bruce
ll13j7b 2:01f697b856de 5 */
ll13j7b 1:f82359c58eda 6
ll13j7b 1:f82359c58eda 7 #ifndef INTRO_H
ll13j7b 1:f82359c58eda 8 #define INTRO_H
ll13j7b 1:f82359c58eda 9 #include "mbed.h"
ll13j7b 1:f82359c58eda 10 #include "N5110.h"
ll13j7b 1:f82359c58eda 11 #include <bitset>
ll13j7b 1:f82359c58eda 12
ll13j7b 2:01f697b856de 13 /**
ll13j7b 2:01f697b856de 14 @namespace update_screen
ll13j7b 2:01f697b856de 15 @brief defining the tickers used that update the screen
ll13j7b 2:01f697b856de 16 */
ll13j7b 1:f82359c58eda 17 Ticker update_screen, update_screen2;
ll13j7b 2:01f697b856de 18 /**
ll13j7b 2:01f697b856de 19 defining the flag for updating screen1
ll13j7b 2:01f697b856de 20 */
ll13j7b 2:01f697b856de 21 volatile bool g_update_screen = 0;
ll13j7b 2:01f697b856de 22 /**
ll13j7b 2:01f697b856de 23 defining the flag for updating screen2
ll13j7b 2:01f697b856de 24 */
ll13j7b 1:f82359c58eda 25 volatile bool g_update_screen_2 = 0;
ll13j7b 2:01f697b856de 26 /**
ll13j7b 2:01f697b856de 27 defining a new, bigger buffer for the movable text
ll13j7b 2:01f697b856de 28 */
ll13j7b 1:f82359c58eda 29 int introBuffer[168][96];
ll13j7b 1:f82359c58eda 30
ll13j7b 2:01f697b856de 31 /**
ll13j7b 2:01f697b856de 32 function to initialise the mbed, on board switches and LEDs
ll13j7b 2:01f697b856de 33 */
ll13j7b 1:f82359c58eda 34 void init_K64F();
ll13j7b 2:01f697b856de 35
ll13j7b 2:01f697b856de 36 /**
ll13j7b 2:01f697b856de 37 function that prints strings to buffer in bit form;
ll13j7b 2:01f697b856de 38 this avoids banks so that it can be moved easily pixel by pixel
ll13j7b 2:01f697b856de 39 */
ll13j7b 1:f82359c58eda 40 void PrintStringToBuffer(const char * str, int x, int y);
ll13j7b 2:01f697b856de 41
ll13j7b 2:01f697b856de 42 /**
ll13j7b 2:01f697b856de 43 function to send the new buffer to the lcd
ll13j7b 2:01f697b856de 44 */
ll13j7b 1:f82359c58eda 45 void SendBufferToLCD();
ll13j7b 2:01f697b856de 46
ll13j7b 2:01f697b856de 47 /**
ll13j7b 2:01f697b856de 48 function to initialise the serial connections from mbed to PC
ll13j7b 2:01f697b856de 49 */
ll13j7b 1:f82359c58eda 50 void init_serial();
ll13j7b 2:01f697b856de 51
ll13j7b 2:01f697b856de 52 /**
ll13j7b 2:01f697b856de 53 function to flip the flag for updating the screen
ll13j7b 2:01f697b856de 54 */
ll13j7b 1:f82359c58eda 55 void update_screen_isr();
ll13j7b 2:01f697b856de 56
ll13j7b 2:01f697b856de 57 /**
ll13j7b 2:01f697b856de 58 function to print the first section of the text
ll13j7b 2:01f697b856de 59 */
ll13j7b 1:f82359c58eda 60 void printFirstText();
ll13j7b 2:01f697b856de 61
ll13j7b 2:01f697b856de 62 /**
ll13j7b 2:01f697b856de 63 function to animate the menu sliding on to the screen
ll13j7b 2:01f697b856de 64 */
ll13j7b 1:f82359c58eda 65 void animateToMenu();
ll13j7b 2:01f697b856de 66
ll13j7b 2:01f697b856de 67 /**
ll13j7b 2:01f697b856de 68 function to flip the falg for updating the new screen
ll13j7b 2:01f697b856de 69 uses a different rate than the other
ll13j7b 2:01f697b856de 70 */
ll13j7b 1:f82359c58eda 71 void update_screen2_isr();
ll13j7b 2:01f697b856de 72
ll13j7b 2:01f697b856de 73 /**
ll13j7b 2:01f697b856de 74 function that runs the correct sequence for the animated intro
ll13j7b 2:01f697b856de 75 */
ll13j7b 1:f82359c58eda 76 void performAnimatedIntro();
ll13j7b 1:f82359c58eda 77
ll13j7b 1:f82359c58eda 78
ll13j7b 2:01f697b856de 79 //*****************************************************************************************************//
ll13j7b 2:01f697b856de 80
ll13j7b 2:01f697b856de 81 // END OF GLOBAL VARIABLES & FUNCTIONS //
ll13j7b 2:01f697b856de 82
ll13j7b 2:01f697b856de 83 //*****************************************************************************************************//
ll13j7b 2:01f697b856de 84
ll13j7b 2:01f697b856de 85
ll13j7b 2:01f697b856de 86
ll13j7b 2:01f697b856de 87 // FUNCTION TO PERFORM THE ORDER OF ANIMATION
ll13j7b 1:f82359c58eda 88 void performAnimatedIntro()
ll13j7b 1:f82359c58eda 89 {
ll13j7b 1:f82359c58eda 90 update_screen.attach(&update_screen_isr, 0.05);
ll13j7b 1:f82359c58eda 91 update_screen2.attach(&update_screen2_isr, 0.05);
ll13j7b 1:f82359c58eda 92
ll13j7b 1:f82359c58eda 93 printFirstText();
ll13j7b 1:f82359c58eda 94 animateToMenu();
ll13j7b 1:f82359c58eda 95 }
ll13j7b 1:f82359c58eda 96
ll13j7b 2:01f697b856de 97 // FUNCTION TO FLIP FLAG OF THE TICKER
ll13j7b 1:f82359c58eda 98 void update_screen_isr()
ll13j7b 1:f82359c58eda 99 {
ll13j7b 1:f82359c58eda 100 g_update_screen = 1;
ll13j7b 1:f82359c58eda 101 }
ll13j7b 1:f82359c58eda 102
ll13j7b 2:01f697b856de 103 // FUNCTION TO FLIP FLAG OF THE TICKER
ll13j7b 1:f82359c58eda 104 void update_screen2_isr()
ll13j7b 1:f82359c58eda 105 {
ll13j7b 1:f82359c58eda 106 g_update_screen_2 = 1;
ll13j7b 1:f82359c58eda 107 }
ll13j7b 1:f82359c58eda 108
ll13j7b 2:01f697b856de 109 // FUNCTION TO SET SERIAL BAUD RATE FOR DEBUGGING
ll13j7b 1:f82359c58eda 110 void init_serial()
ll13j7b 1:f82359c58eda 111 {
ll13j7b 1:f82359c58eda 112 // set to highest baud - ensure terminal software matches
ll13j7b 1:f82359c58eda 113 pc.baud(115200);
ll13j7b 1:f82359c58eda 114 }
ll13j7b 1:f82359c58eda 115
ll13j7b 2:01f697b856de 116 // FUNCTION THAT PRINTS STRING TO BUFFER
ll13j7b 1:f82359c58eda 117 void PrintStringToBuffer(const char * str, int x, int y)
ll13j7b 1:f82359c58eda 118 {
ll13j7b 2:01f697b856de 119 // initialise the number of chars inside a string
ll13j7b 1:f82359c58eda 120 int char_no = 0;
ll13j7b 1:f82359c58eda 121
ll13j7b 2:01f697b856de 122 /// while the string is incrementing to the end char
ll13j7b 1:f82359c58eda 123 while (*str) {
ll13j7b 2:01f697b856de 124 // sets the font position relative to the ASCII table
ll13j7b 1:f82359c58eda 125 int font_pos = (*str - 32)*5;
ll13j7b 2:01f697b856de 126 /// loops through the number of columns in a char
ll13j7b 2:01f697b856de 127 for (int i = 0; i < 5; i++) {
ll13j7b 2:01f697b856de 128 int x_pixel = x + i + (char_no*6); // set to correct value for char length of 6 pixels
ll13j7b 1:f82359c58eda 129
ll13j7b 2:01f697b856de 130 /// converts to the string to bitset form (8 bits per char)
ll13j7b 1:f82359c58eda 131 std::bitset<8> bit_representation (font5x7[font_pos + i]);
ll13j7b 2:01f697b856de 132 /// loops through the bits and sets them for each char passed in the string
ll13j7b 2:01f697b856de 133 for (int bit = 0; bit < 8; bit++) {
ll13j7b 2:01f697b856de 134 if (bit_representation.test(bit)) {
ll13j7b 1:f82359c58eda 135 introBuffer[x_pixel][y + bit] = 1;
ll13j7b 1:f82359c58eda 136 }
ll13j7b 1:f82359c58eda 137 }
ll13j7b 1:f82359c58eda 138 }
ll13j7b 1:f82359c58eda 139
ll13j7b 2:01f697b856de 140 // increase char no. & increase str pointer
ll13j7b 1:f82359c58eda 141 char_no++;
ll13j7b 1:f82359c58eda 142 str++;
ll13j7b 1:f82359c58eda 143 }
ll13j7b 1:f82359c58eda 144 }
ll13j7b 1:f82359c58eda 145
ll13j7b 2:01f697b856de 146 // FUNTION THAT SENDS BUFFER TO THE LCD SCREEN
ll13j7b 1:f82359c58eda 147 void SendBufferToLCD()
ll13j7b 1:f82359c58eda 148 {
ll13j7b 2:01f697b856de 149 /// loop through the bounds of the screen and set the relative pixels to the buffer
ll13j7b 2:01f697b856de 150 for (int col = 0; col < 84; col++) {
ll13j7b 2:01f697b856de 151 for (int row = 0; row < 48; row++) {
ll13j7b 1:f82359c58eda 152 if (introBuffer[col][row]) {
ll13j7b 2:01f697b856de 153 lcd.setPixel(col, row); // set pixel to buffer
ll13j7b 1:f82359c58eda 154 }
ll13j7b 1:f82359c58eda 155 }
ll13j7b 1:f82359c58eda 156 }
ll13j7b 1:f82359c58eda 157 }
ll13j7b 1:f82359c58eda 158
ll13j7b 2:01f697b856de 159 // FUNCTION THAT PRINTS THE FIRST ANIMATED TEXT
ll13j7b 1:f82359c58eda 160 void printFirstText()
ll13j7b 1:f82359c58eda 161 {
ll13j7b 2:01f697b856de 162 /// preset the text to animate upwards
ll13j7b 1:f82359c58eda 163 char text[] = "Sensor";
ll13j7b 1:f82359c58eda 164 char text1[] = "Project By";
ll13j7b 1:f82359c58eda 165 char text2[] = "James Bruce";
ll13j7b 2:01f697b856de 166 /// define their starting Y position
ll13j7b 1:f82359c58eda 167 int y_pos = 50; //Starting y position
ll13j7b 1:f82359c58eda 168 int y_pos1 = 58; //Starting y position
ll13j7b 1:f82359c58eda 169 int y_pos2 = 66; //Starting y position
ll13j7b 1:f82359c58eda 170
ll13j7b 2:01f697b856de 171 /// decrease the Y bit of the text until it reaches 5
ll13j7b 2:01f697b856de 172 while (y_pos > 5) { // while loop
ll13j7b 1:f82359c58eda 173 if (g_update_screen) {
ll13j7b 1:f82359c58eda 174 g_update_screen = 0;
ll13j7b 1:f82359c58eda 175
ll13j7b 2:01f697b856de 176 // forces clear of the screen and buffer
ll13j7b 2:01f697b856de 177 for (int col = 0; col < 168; col++) {
ll13j7b 2:01f697b856de 178 for (int row = 0; row < 96; row++) {
ll13j7b 2:01f697b856de 179 introBuffer[col][row] = 0;
ll13j7b 2:01f697b856de 180 }
ll13j7b 2:01f697b856de 181 }
ll13j7b 2:01f697b856de 182
ll13j7b 1:f82359c58eda 183 lcd.clear();
ll13j7b 2:01f697b856de 184 // print the string at the new Y position
ll13j7b 1:f82359c58eda 185 PrintStringToBuffer(text, 3, y_pos);
ll13j7b 1:f82359c58eda 186 PrintStringToBuffer(text1, 3, y_pos1);
ll13j7b 1:f82359c58eda 187 PrintStringToBuffer(text2, 3, y_pos2);
ll13j7b 2:01f697b856de 188 SendBufferToLCD(); // send to the LCD
ll13j7b 1:f82359c58eda 189
ll13j7b 1:f82359c58eda 190 lcd.refresh();
ll13j7b 1:f82359c58eda 191
ll13j7b 2:01f697b856de 192 /// decrease the positions of Y by 1 bit each time
ll13j7b 2:01f697b856de 193 y_pos--;
ll13j7b 1:f82359c58eda 194 y_pos1--;
ll13j7b 1:f82359c58eda 195 y_pos2--;
ll13j7b 1:f82359c58eda 196 }
ll13j7b 1:f82359c58eda 197 }
ll13j7b 2:01f697b856de 198 wait(1); // short delay so the user can read the text before next animation
ll13j7b 1:f82359c58eda 199 }
ll13j7b 1:f82359c58eda 200
ll13j7b 2:01f697b856de 201 // FUNCTION THAT PRINTS THE ANIMATED INTRO OF THE MENU
ll13j7b 1:f82359c58eda 202 void animateToMenu()
ll13j7b 1:f82359c58eda 203 {
ll13j7b 2:01f697b856de 204 /// preset the menu text
ll13j7b 1:f82359c58eda 205 char text[] = "MENU";
ll13j7b 1:f82359c58eda 206 char text1[] = "SETTINGS";
ll13j7b 1:f82359c58eda 207 char text2[] = "GRAPH PLOT";
ll13j7b 1:f82359c58eda 208 char text3[] = "NUMERICAL";
ll13j7b 1:f82359c58eda 209 char text4[] = "RADAR MODE";
ll13j7b 2:01f697b856de 210 /// re-define the previous text
ll13j7b 1:f82359c58eda 211 char oldText[] = "Sensor";
ll13j7b 1:f82359c58eda 212 char oldText1[] = "Project By";
ll13j7b 1:f82359c58eda 213 char oldText2[] = "James Bruce";
ll13j7b 2:01f697b856de 214 /// define the X positions for the menu text
ll13j7b 1:f82359c58eda 215 int x_pos = 83+30; //Starting x position
ll13j7b 1:f82359c58eda 216 int x_pos1 = 83+17; //Starting x position
ll13j7b 1:f82359c58eda 217 int x_pos2 = 83+12; //Starting x position
ll13j7b 1:f82359c58eda 218 int x_pos3 = 83+16; //Starting x position
ll13j7b 1:f82359c58eda 219 int x_pos4 = 83+12; //Starting x position
ll13j7b 2:01f697b856de 220 int x = 3; // old x position
ll13j7b 1:f82359c58eda 221
ll13j7b 2:01f697b856de 222 /// decreases the X position of the menu and the Y position of the previous text
ll13j7b 1:f82359c58eda 223 while (x_pos1 > 17) { //Stops when x = 0
ll13j7b 1:f82359c58eda 224 if (g_update_screen_2) {
ll13j7b 1:f82359c58eda 225 g_update_screen_2 = 0;
ll13j7b 1:f82359c58eda 226
ll13j7b 2:01f697b856de 227 // forces clear of the screen and buffer
ll13j7b 2:01f697b856de 228 for (int col = 0; col < 168; col++) {
ll13j7b 2:01f697b856de 229 for (int row = 0; row < 96; row++) {
ll13j7b 2:01f697b856de 230 introBuffer[col][row] = 0;
ll13j7b 2:01f697b856de 231 }
ll13j7b 2:01f697b856de 232 }
ll13j7b 2:01f697b856de 233
ll13j7b 1:f82359c58eda 234 lcd.clear();
ll13j7b 2:01f697b856de 235 // prints the previous text back to its position
ll13j7b 1:f82359c58eda 236 PrintStringToBuffer(oldText, 3, x+2);
ll13j7b 1:f82359c58eda 237 PrintStringToBuffer(oldText1, 3, x+10);
ll13j7b 1:f82359c58eda 238 PrintStringToBuffer(oldText2, 3, x+18);
ll13j7b 2:01f697b856de 239 // prints the new text to the buffer
ll13j7b 1:f82359c58eda 240 PrintStringToBuffer(text, x_pos, 0);
ll13j7b 1:f82359c58eda 241 PrintStringToBuffer(text1, x_pos1, 16);
ll13j7b 1:f82359c58eda 242 PrintStringToBuffer(text2, x_pos2, 24);
ll13j7b 1:f82359c58eda 243 PrintStringToBuffer(text3, x_pos3, 32);
ll13j7b 1:f82359c58eda 244 PrintStringToBuffer(text4, x_pos4, 40);
ll13j7b 1:f82359c58eda 245 SendBufferToLCD();
ll13j7b 1:f82359c58eda 246
ll13j7b 1:f82359c58eda 247 lcd.refresh();
ll13j7b 2:01f697b856de 248 /// decreases all the X positions of the menu and increases the X of the old texts
ll13j7b 1:f82359c58eda 249 x_pos--; //Decrements the y coordinate
ll13j7b 1:f82359c58eda 250 x_pos1--;
ll13j7b 1:f82359c58eda 251 x_pos2--;
ll13j7b 1:f82359c58eda 252 x_pos3--;
ll13j7b 1:f82359c58eda 253 x_pos4--;
ll13j7b 1:f82359c58eda 254 x++;
ll13j7b 2:01f697b856de 255 // dont allow the old text to wrap round the top and distorting the screen
ll13j7b 1:f82359c58eda 256 if (x > 60) {
ll13j7b 1:f82359c58eda 257 x = 60;
ll13j7b 1:f82359c58eda 258 }
ll13j7b 1:f82359c58eda 259 }
ll13j7b 1:f82359c58eda 260 }
ll13j7b 1:f82359c58eda 261 }
ll13j7b 1:f82359c58eda 262
ll13j7b 2:01f697b856de 263 //*****************************************************************************************************//
ll13j7b 2:01f697b856de 264
ll13j7b 2:01f697b856de 265 // END OF FUNCTION IMPLEMENTATIONS //
ll13j7b 2:01f697b856de 266
ll13j7b 2:01f697b856de 267 //*****************************************************************************************************//
ll13j7b 2:01f697b856de 268
ll13j7b 2:01f697b856de 269
ll13j7b 2:01f697b856de 270 #endif
ll13j7b 2:01f697b856de 271
ll13j7b 2:01f697b856de 272
ll13j7b 2:01f697b856de 273
ll13j7b 2:01f697b856de 274
ll13j7b 2:01f697b856de 275