Andrew Neville / 4DGL-uLCD-SE

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Fork of 4DGL-uLCD-SE by Jonathan Austin

uLCD_4DGL_Text.cpp@1:df77db998389, 2015-05-01 (annotated)

Committer:
anevil14
Date:
Fri May 01 16:49:27 2015 +0000
Revision:
1:df77db998389
No Changes

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UserRevisionLine numberNew contents of line
anevil14 1:df77db998389 1 //
anevil14 1:df77db998389 2 // uLCD_4DGL is a class to drive 4D Systems TFT touch screens
anevil14 1:df77db998389 3 //
anevil14 1:df77db998389 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
anevil14 1:df77db998389 5 // Modifed for Goldelox processor <2013> Jim Hamblen
anevil14 1:df77db998389 6 //
anevil14 1:df77db998389 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
anevil14 1:df77db998389 8 // it under the terms of the GNU General Public License as published by
anevil14 1:df77db998389 9 // the Free Software Foundation, either version 3 of the License, or
anevil14 1:df77db998389 10 // (at your option) any later version.
anevil14 1:df77db998389 11 //
anevil14 1:df77db998389 12 // uLCD_4DGL is distributed in the hope that it will be useful,
anevil14 1:df77db998389 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
anevil14 1:df77db998389 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
anevil14 1:df77db998389 15 // GNU General Public License for more details.
anevil14 1:df77db998389 16 //
anevil14 1:df77db998389 17 // You should have received a copy of the GNU General Public License
anevil14 1:df77db998389 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
anevil14 1:df77db998389 19
anevil14 1:df77db998389 20 #include "mbed.h"
anevil14 1:df77db998389 21 #include "uLCD_4DGL.h"
anevil14 1:df77db998389 22
anevil14 1:df77db998389 23 //****************************************************************************************************
anevil14 1:df77db998389 24 void uLCD_4DGL :: set_font_size(char width, char height) // set font size
anevil14 1:df77db998389 25 {
anevil14 1:df77db998389 26 if (current_orientation == IS_PORTRAIT) {
anevil14 1:df77db998389 27 current_fx = width;
anevil14 1:df77db998389 28 current_fy = height;
anevil14 1:df77db998389 29 } else {
anevil14 1:df77db998389 30 current_fy = height;
anevil14 1:df77db998389 31 current_fx = width;
anevil14 1:df77db998389 32 }
anevil14 1:df77db998389 33 max_col = current_w / (current_fx*current_wf);
anevil14 1:df77db998389 34 max_row = current_h / (current_fy*current_hf);
anevil14 1:df77db998389 35 }
anevil14 1:df77db998389 36
anevil14 1:df77db998389 37 //****************************************************************************************************
anevil14 1:df77db998389 38 void uLCD_4DGL :: set_font(char mode) // set font - system or SD media
anevil14 1:df77db998389 39 {
anevil14 1:df77db998389 40 char command[3]= "";
anevil14 1:df77db998389 41
anevil14 1:df77db998389 42 command[0] = SETFONT;
anevil14 1:df77db998389 43 command[1] = 0;
anevil14 1:df77db998389 44 command[2] = mode;
anevil14 1:df77db998389 45
anevil14 1:df77db998389 46 current_font = mode;
anevil14 1:df77db998389 47
anevil14 1:df77db998389 48 if (current_orientation == IS_PORTRAIT) {
anevil14 1:df77db998389 49 current_w = SIZE_X;
anevil14 1:df77db998389 50 current_h = SIZE_Y;
anevil14 1:df77db998389 51 } else {
anevil14 1:df77db998389 52 current_w = SIZE_Y;
anevil14 1:df77db998389 53 current_h = SIZE_X;
anevil14 1:df77db998389 54 }
anevil14 1:df77db998389 55
anevil14 1:df77db998389 56 switch (mode) {
anevil14 1:df77db998389 57 case FONT_5X7 :
anevil14 1:df77db998389 58
anevil14 1:df77db998389 59 current_fx = 6;
anevil14 1:df77db998389 60 current_fy = 8;
anevil14 1:df77db998389 61 break;
anevil14 1:df77db998389 62 case FONT_7X8 :
anevil14 1:df77db998389 63 current_fx = 7;
anevil14 1:df77db998389 64 current_fy = 8;
anevil14 1:df77db998389 65 break;
anevil14 1:df77db998389 66 case FONT_8X8 :
anevil14 1:df77db998389 67 current_fx = 8;
anevil14 1:df77db998389 68 current_fy = 8;
anevil14 1:df77db998389 69 break;
anevil14 1:df77db998389 70 case FONT_8X12 :
anevil14 1:df77db998389 71 current_fx = 8;
anevil14 1:df77db998389 72 current_fy = 12;
anevil14 1:df77db998389 73 break;
anevil14 1:df77db998389 74 case FONT_12X16 :
anevil14 1:df77db998389 75 current_fx = 12;
anevil14 1:df77db998389 76 current_fy = 16;
anevil14 1:df77db998389 77 break;
anevil14 1:df77db998389 78 default:
anevil14 1:df77db998389 79 current_fx = 8;
anevil14 1:df77db998389 80 current_fy = 8;
anevil14 1:df77db998389 81 }
anevil14 1:df77db998389 82
anevil14 1:df77db998389 83 max_col = current_w / (current_fx*current_wf);
anevil14 1:df77db998389 84 max_row = current_h / (current_fy*current_hf);
anevil14 1:df77db998389 85
anevil14 1:df77db998389 86 writeCOMMAND(command, 3);
anevil14 1:df77db998389 87 }
anevil14 1:df77db998389 88
anevil14 1:df77db998389 89
anevil14 1:df77db998389 90
anevil14 1:df77db998389 91 //****************************************************************************************************
anevil14 1:df77db998389 92 void uLCD_4DGL :: text_mode(char mode) // set text mode
anevil14 1:df77db998389 93 {
anevil14 1:df77db998389 94 char command[3]= "";
anevil14 1:df77db998389 95
anevil14 1:df77db998389 96 command[0] = TEXTMODE;
anevil14 1:df77db998389 97 command[1] = 0;
anevil14 1:df77db998389 98 command[2] = mode;
anevil14 1:df77db998389 99
anevil14 1:df77db998389 100 writeCOMMAND(command, 3);
anevil14 1:df77db998389 101 }
anevil14 1:df77db998389 102
anevil14 1:df77db998389 103 //****************************************************************************************************
anevil14 1:df77db998389 104 void uLCD_4DGL :: text_bold(char mode) // set text mode
anevil14 1:df77db998389 105 {
anevil14 1:df77db998389 106 char command[3]= "";
anevil14 1:df77db998389 107
anevil14 1:df77db998389 108 command[0] = TEXTBOLD;
anevil14 1:df77db998389 109 command[1] = 0;
anevil14 1:df77db998389 110 command[2] = mode;
anevil14 1:df77db998389 111
anevil14 1:df77db998389 112 writeCOMMAND(command, 3);
anevil14 1:df77db998389 113 }
anevil14 1:df77db998389 114
anevil14 1:df77db998389 115 //****************************************************************************************************
anevil14 1:df77db998389 116 void uLCD_4DGL :: text_italic(char mode) // set text mode
anevil14 1:df77db998389 117 {
anevil14 1:df77db998389 118 char command[3]= "";
anevil14 1:df77db998389 119
anevil14 1:df77db998389 120 command[0] = TEXTITALIC;
anevil14 1:df77db998389 121 command[1] = 0;
anevil14 1:df77db998389 122 command[2] = mode;
anevil14 1:df77db998389 123
anevil14 1:df77db998389 124 writeCOMMAND(command, 3);
anevil14 1:df77db998389 125 }
anevil14 1:df77db998389 126
anevil14 1:df77db998389 127 //****************************************************************************************************
anevil14 1:df77db998389 128 void uLCD_4DGL :: text_inverse(char mode) // set text mode
anevil14 1:df77db998389 129 {
anevil14 1:df77db998389 130 char command[3]= "";
anevil14 1:df77db998389 131
anevil14 1:df77db998389 132 command[0] = TEXTINVERSE;
anevil14 1:df77db998389 133 command[1] = 0;
anevil14 1:df77db998389 134 command[2] = mode;
anevil14 1:df77db998389 135
anevil14 1:df77db998389 136 writeCOMMAND(command, 3);
anevil14 1:df77db998389 137 }
anevil14 1:df77db998389 138
anevil14 1:df77db998389 139 //****************************************************************************************************
anevil14 1:df77db998389 140 void uLCD_4DGL :: text_underline(char mode) // set text mode
anevil14 1:df77db998389 141 {
anevil14 1:df77db998389 142 char command[3]= "";
anevil14 1:df77db998389 143
anevil14 1:df77db998389 144 command[0] = TEXTUNDERLINE;
anevil14 1:df77db998389 145 command[1] = 0;
anevil14 1:df77db998389 146 command[2] = mode;
anevil14 1:df77db998389 147
anevil14 1:df77db998389 148 writeCOMMAND(command, 3);
anevil14 1:df77db998389 149 }
anevil14 1:df77db998389 150
anevil14 1:df77db998389 151 //****************************************************************************************************
anevil14 1:df77db998389 152 void uLCD_4DGL :: text_width(char width) // set text width
anevil14 1:df77db998389 153 {
anevil14 1:df77db998389 154 char command[3]= "";
anevil14 1:df77db998389 155
anevil14 1:df77db998389 156 command[0] = TEXTWIDTH;
anevil14 1:df77db998389 157 command[1] = 0;
anevil14 1:df77db998389 158 command[2] = width;
anevil14 1:df77db998389 159 current_wf = width;
anevil14 1:df77db998389 160 max_col = current_w / (current_fx*current_wf);
anevil14 1:df77db998389 161 writeCOMMAND(command, 3);
anevil14 1:df77db998389 162 }
anevil14 1:df77db998389 163
anevil14 1:df77db998389 164 //****************************************************************************************************
anevil14 1:df77db998389 165 void uLCD_4DGL :: text_height(char height) // set text height
anevil14 1:df77db998389 166 {
anevil14 1:df77db998389 167 char command[3]= "";
anevil14 1:df77db998389 168
anevil14 1:df77db998389 169 command[0] = TEXTHEIGHT;
anevil14 1:df77db998389 170 command[1] = 0;
anevil14 1:df77db998389 171 command[2] = height;
anevil14 1:df77db998389 172 current_hf = height;
anevil14 1:df77db998389 173 max_row = current_h / (current_fy*current_hf);
anevil14 1:df77db998389 174 writeCOMMAND(command, 3);
anevil14 1:df77db998389 175 }
anevil14 1:df77db998389 176
anevil14 1:df77db998389 177
anevil14 1:df77db998389 178 //****************************************************************************************************
anevil14 1:df77db998389 179 void uLCD_4DGL :: text_char(char c, char col, char row, int color) // draw a text char
anevil14 1:df77db998389 180 {
anevil14 1:df77db998389 181 char command[6]= "";
anevil14 1:df77db998389 182 command[0] = 0xE4; //move cursor
anevil14 1:df77db998389 183 command[1] = 0;
anevil14 1:df77db998389 184 command[2] = row;
anevil14 1:df77db998389 185 command[3] = 0;
anevil14 1:df77db998389 186 command[4] = col;
anevil14 1:df77db998389 187 writeCOMMAND(command, 5);
anevil14 1:df77db998389 188
anevil14 1:df77db998389 189 command[0] = 0x7F; //set color
anevil14 1:df77db998389 190
anevil14 1:df77db998389 191 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
anevil14 1:df77db998389 192 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
anevil14 1:df77db998389 193 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
anevil14 1:df77db998389 194
anevil14 1:df77db998389 195 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
anevil14 1:df77db998389 196 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
anevil14 1:df77db998389 197 writeCOMMAND(command, 3);
anevil14 1:df77db998389 198
anevil14 1:df77db998389 199 command[0] = TEXTCHAR; //print char
anevil14 1:df77db998389 200 command[1] = 0;
anevil14 1:df77db998389 201 command[2] = c;
anevil14 1:df77db998389 202 writeCOMMAND(command, 3);
anevil14 1:df77db998389 203
anevil14 1:df77db998389 204 }
anevil14 1:df77db998389 205
anevil14 1:df77db998389 206
anevil14 1:df77db998389 207 //****************************************************************************************************
anevil14 1:df77db998389 208 void uLCD_4DGL :: text_string(char *s, char col, char row, char font, int color) // draw a text string
anevil14 1:df77db998389 209 {
anevil14 1:df77db998389 210
anevil14 1:df77db998389 211 char command[1000]= "";
anevil14 1:df77db998389 212 int size = strlen(s);
anevil14 1:df77db998389 213 int i = 0;
anevil14 1:df77db998389 214
anevil14 1:df77db998389 215 set_font(font);
anevil14 1:df77db998389 216
anevil14 1:df77db998389 217 command[0] = 0xE4; //move cursor
anevil14 1:df77db998389 218 command[1] = 0;
anevil14 1:df77db998389 219 command[2] = row;
anevil14 1:df77db998389 220 command[3] = 0;
anevil14 1:df77db998389 221 command[4] = col;
anevil14 1:df77db998389 222 writeCOMMAND(command, 5);
anevil14 1:df77db998389 223
anevil14 1:df77db998389 224 command[0] = 0x7F; //set color
anevil14 1:df77db998389 225 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
anevil14 1:df77db998389 226 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
anevil14 1:df77db998389 227 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
anevil14 1:df77db998389 228
anevil14 1:df77db998389 229 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
anevil14 1:df77db998389 230 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
anevil14 1:df77db998389 231 writeCOMMAND(command, 3);
anevil14 1:df77db998389 232
anevil14 1:df77db998389 233 command[0] = TEXTSTRING;
anevil14 1:df77db998389 234 for (i=0; i<size; i++) command[1+i] = s[i];
anevil14 1:df77db998389 235 command[1+size] = 0;
anevil14 1:df77db998389 236 writeCOMMANDnull(command, 2 + size);
anevil14 1:df77db998389 237 }
anevil14 1:df77db998389 238
anevil14 1:df77db998389 239
anevil14 1:df77db998389 240
anevil14 1:df77db998389 241 //****************************************************************************************************
anevil14 1:df77db998389 242 void uLCD_4DGL :: locate(char col, char row) // place text curssor at col, row
anevil14 1:df77db998389 243 {
anevil14 1:df77db998389 244 char command[5] = "";
anevil14 1:df77db998389 245 current_col = col;
anevil14 1:df77db998389 246 current_row = row;
anevil14 1:df77db998389 247 command[0] = MOVECURSOR; //move cursor
anevil14 1:df77db998389 248 command[1] = 0;
anevil14 1:df77db998389 249 command[2] = current_row;
anevil14 1:df77db998389 250 command[3] = 0;
anevil14 1:df77db998389 251 command[4] = current_col;
anevil14 1:df77db998389 252 writeCOMMAND(command, 5);
anevil14 1:df77db998389 253 }
anevil14 1:df77db998389 254
anevil14 1:df77db998389 255 //****************************************************************************************************
anevil14 1:df77db998389 256 void uLCD_4DGL :: color(int color) // set text color
anevil14 1:df77db998389 257 {
anevil14 1:df77db998389 258 char command[5] = "";
anevil14 1:df77db998389 259 current_color = color;
anevil14 1:df77db998389 260 command[0] = 0x7F; //set color
anevil14 1:df77db998389 261
anevil14 1:df77db998389 262 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
anevil14 1:df77db998389 263 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
anevil14 1:df77db998389 264 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
anevil14 1:df77db998389 265
anevil14 1:df77db998389 266 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
anevil14 1:df77db998389 267 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
anevil14 1:df77db998389 268 writeCOMMAND(command, 3);
anevil14 1:df77db998389 269 }
anevil14 1:df77db998389 270
anevil14 1:df77db998389 271 //****************************************************************************************************
anevil14 1:df77db998389 272 void uLCD_4DGL :: putc(char c) // place char at current cursor position
anevil14 1:df77db998389 273 //used by virtual printf function _putc
anevil14 1:df77db998389 274 {
anevil14 1:df77db998389 275 char command[6] ="";
anevil14 1:df77db998389 276 if(c<0x20) {
anevil14 1:df77db998389 277 if(c=='\n') {
anevil14 1:df77db998389 278 current_col = 0;
anevil14 1:df77db998389 279 current_row++;
anevil14 1:df77db998389 280 command[0] = MOVECURSOR; //move cursor to start of next line
anevil14 1:df77db998389 281 command[1] = 0;
anevil14 1:df77db998389 282 command[2] = current_row;
anevil14 1:df77db998389 283 command[3] = 0;
anevil14 1:df77db998389 284 command[4] = current_col;
anevil14 1:df77db998389 285 writeCOMMAND(command, 5);
anevil14 1:df77db998389 286 }
anevil14 1:df77db998389 287 if(c=='\r') {
anevil14 1:df77db998389 288 current_col = 0;
anevil14 1:df77db998389 289 command[0] = MOVECURSOR; //move cursor to start of line
anevil14 1:df77db998389 290 command[1] = 0;
anevil14 1:df77db998389 291 command[2] = current_row;
anevil14 1:df77db998389 292 command[3] = 0;
anevil14 1:df77db998389 293 command[4] = current_col;
anevil14 1:df77db998389 294 writeCOMMAND(command, 5);
anevil14 1:df77db998389 295 }
anevil14 1:df77db998389 296 if(c=='\f') {
anevil14 1:df77db998389 297 uLCD_4DGL::cls(); //clear screen on form feed
anevil14 1:df77db998389 298 }
anevil14 1:df77db998389 299 } else {
anevil14 1:df77db998389 300 command[0] = PUTCHAR;
anevil14 1:df77db998389 301 command[1] = 0x00;
anevil14 1:df77db998389 302 command[2] = c;
anevil14 1:df77db998389 303 writeCOMMAND(command,3);
anevil14 1:df77db998389 304 current_col++;
anevil14 1:df77db998389 305 }
anevil14 1:df77db998389 306 if (current_col == max_col) {
anevil14 1:df77db998389 307 current_col = 0;
anevil14 1:df77db998389 308 current_row++;
anevil14 1:df77db998389 309 command[0] = MOVECURSOR; //move cursor to next line
anevil14 1:df77db998389 310 command[1] = 0;
anevil14 1:df77db998389 311 command[2] = current_row;
anevil14 1:df77db998389 312 command[3] = 0;
anevil14 1:df77db998389 313 command[4] = current_col;
anevil14 1:df77db998389 314 writeCOMMAND(command, 5);
anevil14 1:df77db998389 315 }
anevil14 1:df77db998389 316 if (current_row == max_row) {
anevil14 1:df77db998389 317 current_row = 0;
anevil14 1:df77db998389 318 command[0] = MOVECURSOR; //move cursor back to start
anevil14 1:df77db998389 319 command[1] = 0;
anevil14 1:df77db998389 320 command[2] = current_row;
anevil14 1:df77db998389 321 command[3] = 0;
anevil14 1:df77db998389 322 command[4] = current_col;
anevil14 1:df77db998389 323 writeCOMMAND(command, 5);
anevil14 1:df77db998389 324 }
anevil14 1:df77db998389 325 }
anevil14 1:df77db998389 326
anevil14 1:df77db998389 327
anevil14 1:df77db998389 328 //****************************************************************************************************
anevil14 1:df77db998389 329 void uLCD_4DGL :: puts(char *s) // place string at current cursor position
anevil14 1:df77db998389 330 {
anevil14 1:df77db998389 331
anevil14 1:df77db998389 332 text_string(s, current_col, current_row, current_font, current_color);
anevil14 1:df77db998389 333
anevil14 1:df77db998389 334 current_col += strlen(s);
anevil14 1:df77db998389 335
anevil14 1:df77db998389 336 if (current_col >= max_col) {
anevil14 1:df77db998389 337 current_row += current_col / max_col;
anevil14 1:df77db998389 338 current_col %= max_col;
anevil14 1:df77db998389 339 }
anevil14 1:df77db998389 340 if (current_row >= max_row) {
anevil14 1:df77db998389 341 current_row %= max_row;
anevil14 1:df77db998389 342 }
anevil14 1:df77db998389 343 }