Kamil Ondrousek / Mbed 2 deprecated Tinkerbell

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.

TFT_4DGL_Text.cpp@1:1ea2331f9cbe, 2010-12-26 (annotated)

Committer:
JLS
Date:
Sun Dec 26 19:53:45 2010 +0000
Revision:
1:1ea2331f9cbe
update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JLS 1:1ea2331f9cbe 1 //
JLS 1:1ea2331f9cbe 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 1:1ea2331f9cbe 3 //
JLS 1:1ea2331f9cbe 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 1:1ea2331f9cbe 5 //
JLS 1:1ea2331f9cbe 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 1:1ea2331f9cbe 7 // it under the terms of the GNU General Public License as published by
JLS 1:1ea2331f9cbe 8 // the Free Software Foundation, either version 3 of the License, or
JLS 1:1ea2331f9cbe 9 // (at your option) any later version.
JLS 1:1ea2331f9cbe 10 //
JLS 1:1ea2331f9cbe 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 1:1ea2331f9cbe 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 1:1ea2331f9cbe 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 1:1ea2331f9cbe 14 // GNU General Public License for more details.
JLS 1:1ea2331f9cbe 15 //
JLS 1:1ea2331f9cbe 16 // You should have received a copy of the GNU General Public License
JLS 1:1ea2331f9cbe 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 1:1ea2331f9cbe 18
JLS 1:1ea2331f9cbe 19 #include "mbed.h"
JLS 1:1ea2331f9cbe 20 #include "TFT_4DGL.h"
JLS 1:1ea2331f9cbe 21
JLS 1:1ea2331f9cbe 22 //****************************************************************************************************
JLS 1:1ea2331f9cbe 23 void TFT_4DGL :: set_font(char mode) { // set font size
JLS 1:1ea2331f9cbe 24 char command[2]= "";
JLS 1:1ea2331f9cbe 25
JLS 1:1ea2331f9cbe 26 int w, h, fx = 8, fy = 8;
JLS 1:1ea2331f9cbe 27
JLS 1:1ea2331f9cbe 28 command[0] = SETFONT;
JLS 1:1ea2331f9cbe 29 command[1] = mode;
JLS 1:1ea2331f9cbe 30
JLS 1:1ea2331f9cbe 31 current_font = mode;
JLS 1:1ea2331f9cbe 32
JLS 1:1ea2331f9cbe 33 if (current_orientation == IS_PORTRAIT) {
JLS 1:1ea2331f9cbe 34 w = SIZE_X;
JLS 1:1ea2331f9cbe 35 h = SIZE_Y;
JLS 1:1ea2331f9cbe 36 } else {
JLS 1:1ea2331f9cbe 37 w = SIZE_Y;
JLS 1:1ea2331f9cbe 38 h = SIZE_X;
JLS 1:1ea2331f9cbe 39 }
JLS 1:1ea2331f9cbe 40
JLS 1:1ea2331f9cbe 41 switch (mode) {
JLS 1:1ea2331f9cbe 42 case FONT_5X7 :
JLS 1:1ea2331f9cbe 43 fx = 6;
JLS 1:1ea2331f9cbe 44 fy = 8;
JLS 1:1ea2331f9cbe 45 break;
JLS 1:1ea2331f9cbe 46 case FONT_8X8 :
JLS 1:1ea2331f9cbe 47 fx = 8;
JLS 1:1ea2331f9cbe 48 fy = 8;
JLS 1:1ea2331f9cbe 49 break;
JLS 1:1ea2331f9cbe 50 case FONT_8X12 :
JLS 1:1ea2331f9cbe 51 fx = 8;
JLS 1:1ea2331f9cbe 52 fy = 12;
JLS 1:1ea2331f9cbe 53 break;
JLS 1:1ea2331f9cbe 54 case FONT_12X16 :
JLS 1:1ea2331f9cbe 55 fx = 12;
JLS 1:1ea2331f9cbe 56 fy = 16;
JLS 1:1ea2331f9cbe 57 break;
JLS 1:1ea2331f9cbe 58 }
JLS 1:1ea2331f9cbe 59
JLS 1:1ea2331f9cbe 60 max_col = w / fx;
JLS 1:1ea2331f9cbe 61 max_row = h / fy;
JLS 1:1ea2331f9cbe 62
JLS 1:1ea2331f9cbe 63 writeCOMMAND(command, 2);
JLS 1:1ea2331f9cbe 64 }
JLS 1:1ea2331f9cbe 65
JLS 1:1ea2331f9cbe 66 //****************************************************************************************************
JLS 1:1ea2331f9cbe 67 void TFT_4DGL :: text_mode(char mode) { // set text mode
JLS 1:1ea2331f9cbe 68 char command[2]= "";
JLS 1:1ea2331f9cbe 69
JLS 1:1ea2331f9cbe 70 command[0] = TEXTMODE;
JLS 1:1ea2331f9cbe 71 command[1] = mode;
JLS 1:1ea2331f9cbe 72
JLS 1:1ea2331f9cbe 73 writeCOMMAND(command, 2);
JLS 1:1ea2331f9cbe 74 }
JLS 1:1ea2331f9cbe 75
JLS 1:1ea2331f9cbe 76 //****************************************************************************************************
JLS 1:1ea2331f9cbe 77 void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
JLS 1:1ea2331f9cbe 78 char command[6]= "";
JLS 1:1ea2331f9cbe 79
JLS 1:1ea2331f9cbe 80 command[0] = TEXTCHAR;
JLS 1:1ea2331f9cbe 81
JLS 1:1ea2331f9cbe 82 command[1] = c;
JLS 1:1ea2331f9cbe 83 command[2] = col;
JLS 1:1ea2331f9cbe 84 command[3] = row;
JLS 1:1ea2331f9cbe 85
JLS 1:1ea2331f9cbe 86 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:1ea2331f9cbe 87 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:1ea2331f9cbe 88 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:1ea2331f9cbe 89
JLS 1:1ea2331f9cbe 90 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:1ea2331f9cbe 91 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:1ea2331f9cbe 92
JLS 1:1ea2331f9cbe 93 writeCOMMAND(command, 8);
JLS 1:1ea2331f9cbe 94 }
JLS 1:1ea2331f9cbe 95
JLS 1:1ea2331f9cbe 96 //****************************************************************************************************
JLS 1:1ea2331f9cbe 97 void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
JLS 1:1ea2331f9cbe 98 char command[10]= "";
JLS 1:1ea2331f9cbe 99
JLS 1:1ea2331f9cbe 100 command[0] = GRAPHCHAR;
JLS 1:1ea2331f9cbe 101
JLS 1:1ea2331f9cbe 102 command[1] = c;
JLS 1:1ea2331f9cbe 103
JLS 1:1ea2331f9cbe 104 command[2] = (x >> 8) & 0xFF;
JLS 1:1ea2331f9cbe 105 command[3] = x & 0xFF;
JLS 1:1ea2331f9cbe 106
JLS 1:1ea2331f9cbe 107 command[4] = (y >> 8) & 0xFF;
JLS 1:1ea2331f9cbe 108 command[5] = y & 0xFF;
JLS 1:1ea2331f9cbe 109
JLS 1:1ea2331f9cbe 110 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:1ea2331f9cbe 111 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:1ea2331f9cbe 112 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:1ea2331f9cbe 113
JLS 1:1ea2331f9cbe 114 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:1ea2331f9cbe 115 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:1ea2331f9cbe 116
JLS 1:1ea2331f9cbe 117 command[8] = width;
JLS 1:1ea2331f9cbe 118
JLS 1:1ea2331f9cbe 119 command[9] = height;
JLS 1:1ea2331f9cbe 120
JLS 1:1ea2331f9cbe 121 writeCOMMAND(command, 10);
JLS 1:1ea2331f9cbe 122 }
JLS 1:1ea2331f9cbe 123
JLS 1:1ea2331f9cbe 124 //****************************************************************************************************
JLS 1:1ea2331f9cbe 125 void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
JLS 1:1ea2331f9cbe 126
JLS 1:1ea2331f9cbe 127 char command[1000]= "";
JLS 1:1ea2331f9cbe 128 int size = strlen(s);
JLS 1:1ea2331f9cbe 129 int i = 0;
JLS 1:1ea2331f9cbe 130
JLS 1:1ea2331f9cbe 131 command[0] = TEXTSTRING;
JLS 1:1ea2331f9cbe 132
JLS 1:1ea2331f9cbe 133 command[1] = col;
JLS 1:1ea2331f9cbe 134 command[2] = row;
JLS 1:1ea2331f9cbe 135
JLS 1:1ea2331f9cbe 136 command[3] = font;
JLS 1:1ea2331f9cbe 137
JLS 1:1ea2331f9cbe 138 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:1ea2331f9cbe 139 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:1ea2331f9cbe 140 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:1ea2331f9cbe 141
JLS 1:1ea2331f9cbe 142 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:1ea2331f9cbe 143 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:1ea2331f9cbe 144
JLS 1:1ea2331f9cbe 145 for (i=0; i<size; i++) command[6+i] = s[i];
JLS 1:1ea2331f9cbe 146
JLS 1:1ea2331f9cbe 147 command[6+size] = 0;
JLS 1:1ea2331f9cbe 148
JLS 1:1ea2331f9cbe 149 writeCOMMAND(command, 7 + size);
JLS 1:1ea2331f9cbe 150 }
JLS 1:1ea2331f9cbe 151
JLS 1:1ea2331f9cbe 152 //****************************************************************************************************
JLS 1:1ea2331f9cbe 153 void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string
JLS 1:1ea2331f9cbe 154
JLS 1:1ea2331f9cbe 155 char command[1000]= "";
JLS 1:1ea2331f9cbe 156 int size = strlen(s);
JLS 1:1ea2331f9cbe 157 int i = 0;
JLS 1:1ea2331f9cbe 158
JLS 1:1ea2331f9cbe 159 command[0] = GRAPHSTRING;
JLS 1:1ea2331f9cbe 160
JLS 1:1ea2331f9cbe 161 command[1] = (x >> 8) & 0xFF;
JLS 1:1ea2331f9cbe 162 command[2] = x & 0xFF;
JLS 1:1ea2331f9cbe 163
JLS 1:1ea2331f9cbe 164 command[3] = (y >> 8) & 0xFF;
JLS 1:1ea2331f9cbe 165 command[4] = y & 0xFF;
JLS 1:1ea2331f9cbe 166
JLS 1:1ea2331f9cbe 167 command[5] = font;
JLS 1:1ea2331f9cbe 168
JLS 1:1ea2331f9cbe 169 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:1ea2331f9cbe 170 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:1ea2331f9cbe 171 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:1ea2331f9cbe 172
JLS 1:1ea2331f9cbe 173 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:1ea2331f9cbe 174 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:1ea2331f9cbe 175
JLS 1:1ea2331f9cbe 176 command[8] = width;
JLS 1:1ea2331f9cbe 177
JLS 1:1ea2331f9cbe 178 command[9] = height;
JLS 1:1ea2331f9cbe 179
JLS 1:1ea2331f9cbe 180 for (i=0; i<size; i++) command[10+i] = s[i];
JLS 1:1ea2331f9cbe 181
JLS 1:1ea2331f9cbe 182 command[10+size] = 0;
JLS 1:1ea2331f9cbe 183
JLS 1:1ea2331f9cbe 184 writeCOMMAND(command, 11 + size);
JLS 1:1ea2331f9cbe 185 }
JLS 1:1ea2331f9cbe 186
JLS 1:1ea2331f9cbe 187 //****************************************************************************************************
JLS 1:1ea2331f9cbe 188 void TFT_4DGL :: text_button(char *s, char mode, int x, int y, int button_color, char font, int text_color, char width, char height) { // draw a text string
JLS 1:1ea2331f9cbe 189
JLS 1:1ea2331f9cbe 190 char command[1000]= "";
JLS 1:1ea2331f9cbe 191 int size = strlen(s);
JLS 1:1ea2331f9cbe 192 int i = 0, red5, green6, blue5;
JLS 1:1ea2331f9cbe 193
JLS 1:1ea2331f9cbe 194 command[0] = TEXTBUTTON;
JLS 1:1ea2331f9cbe 195
JLS 1:1ea2331f9cbe 196 command[1] = mode;
JLS 1:1ea2331f9cbe 197
JLS 1:1ea2331f9cbe 198 command[2] = (x >> 8) & 0xFF;
JLS 1:1ea2331f9cbe 199 command[3] = x & 0xFF;
JLS 1:1ea2331f9cbe 200
JLS 1:1ea2331f9cbe 201 command[4] = (y >> 8) & 0xFF;
JLS 1:1ea2331f9cbe 202 command[5] = y & 0xFF;
JLS 1:1ea2331f9cbe 203
JLS 1:1ea2331f9cbe 204 red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:1ea2331f9cbe 205 green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:1ea2331f9cbe 206 blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:1ea2331f9cbe 207
JLS 1:1ea2331f9cbe 208 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:1ea2331f9cbe 209 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:1ea2331f9cbe 210
JLS 1:1ea2331f9cbe 211 command[8] = font;
JLS 1:1ea2331f9cbe 212
JLS 1:1ea2331f9cbe 213 red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:1ea2331f9cbe 214 green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:1ea2331f9cbe 215 blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:1ea2331f9cbe 216
JLS 1:1ea2331f9cbe 217 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:1ea2331f9cbe 218 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:1ea2331f9cbe 219
JLS 1:1ea2331f9cbe 220 command[11] = width;
JLS 1:1ea2331f9cbe 221
JLS 1:1ea2331f9cbe 222 command[12] = height;
JLS 1:1ea2331f9cbe 223
JLS 1:1ea2331f9cbe 224 for (i=0; i<size; i++) command[13+i] = s[i];
JLS 1:1ea2331f9cbe 225
JLS 1:1ea2331f9cbe 226 command[13+size] = 0;
JLS 1:1ea2331f9cbe 227
JLS 1:1ea2331f9cbe 228 writeCOMMAND(command, 14 + size);
JLS 1:1ea2331f9cbe 229 }
JLS 1:1ea2331f9cbe 230
JLS 1:1ea2331f9cbe 231 //****************************************************************************************************
JLS 1:1ea2331f9cbe 232 void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
JLS 1:1ea2331f9cbe 233 current_col = col;
JLS 1:1ea2331f9cbe 234 current_row = row;
JLS 1:1ea2331f9cbe 235 }
JLS 1:1ea2331f9cbe 236
JLS 1:1ea2331f9cbe 237 //****************************************************************************************************
JLS 1:1ea2331f9cbe 238 void TFT_4DGL :: color(int color) { // set text color
JLS 1:1ea2331f9cbe 239 current_color = color;
JLS 1:1ea2331f9cbe 240 }
JLS 1:1ea2331f9cbe 241
JLS 1:1ea2331f9cbe 242 //****************************************************************************************************
JLS 1:1ea2331f9cbe 243 void TFT_4DGL :: putc(char c) { // place char at current cursor position
JLS 1:1ea2331f9cbe 244
JLS 1:1ea2331f9cbe 245 text_char(c, current_col++, current_row, current_color);
JLS 1:1ea2331f9cbe 246
JLS 1:1ea2331f9cbe 247 if (current_col == max_col) {
JLS 1:1ea2331f9cbe 248 current_col = 0;
JLS 1:1ea2331f9cbe 249 current_row++;
JLS 1:1ea2331f9cbe 250 }
JLS 1:1ea2331f9cbe 251 if (current_row == max_row) {
JLS 1:1ea2331f9cbe 252 current_row = 0;
JLS 1:1ea2331f9cbe 253 }
JLS 1:1ea2331f9cbe 254 }
JLS 1:1ea2331f9cbe 255
JLS 1:1ea2331f9cbe 256 //****************************************************************************************************
JLS 1:1ea2331f9cbe 257 void TFT_4DGL :: puts(char *s) { // place string at current cursor position
JLS 1:1ea2331f9cbe 258
JLS 1:1ea2331f9cbe 259 text_string(s, current_col, current_row, current_font, current_color);
JLS 1:1ea2331f9cbe 260
JLS 1:1ea2331f9cbe 261 current_col += strlen(s);
JLS 1:1ea2331f9cbe 262
JLS 1:1ea2331f9cbe 263 if (current_col >= max_col) {
JLS 1:1ea2331f9cbe 264 current_row += current_col / max_col;
JLS 1:1ea2331f9cbe 265 current_col %= max_col;
JLS 1:1ea2331f9cbe 266 }
JLS 1:1ea2331f9cbe 267 if (current_row >= max_row) {
JLS 1:1ea2331f9cbe 268 current_row %= max_row;
JLS 1:1ea2331f9cbe 269 }
JLS 1:1ea2331f9cbe 270 }