Committer:
JLS
Date:
Sun Jan 09 19:32:27 2011 +0000
Revision:
0:bf06c6bfac7c

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JLS 0:bf06c6bfac7c 1 //
JLS 0:bf06c6bfac7c 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 0:bf06c6bfac7c 3 //
JLS 0:bf06c6bfac7c 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 0:bf06c6bfac7c 5 //
JLS 0:bf06c6bfac7c 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 0:bf06c6bfac7c 7 // it under the terms of the GNU General Public License as published by
JLS 0:bf06c6bfac7c 8 // the Free Software Foundation, either version 3 of the License, or
JLS 0:bf06c6bfac7c 9 // (at your option) any later version.
JLS 0:bf06c6bfac7c 10 //
JLS 0:bf06c6bfac7c 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 0:bf06c6bfac7c 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 0:bf06c6bfac7c 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 0:bf06c6bfac7c 14 // GNU General Public License for more details.
JLS 0:bf06c6bfac7c 15 //
JLS 0:bf06c6bfac7c 16 // You should have received a copy of the GNU General Public License
JLS 0:bf06c6bfac7c 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 0:bf06c6bfac7c 18
JLS 0:bf06c6bfac7c 19 #include "mbed.h"
JLS 0:bf06c6bfac7c 20 #include "TFT_4DGL.h"
JLS 0:bf06c6bfac7c 21
JLS 0:bf06c6bfac7c 22 //****************************************************************************************************
JLS 0:bf06c6bfac7c 23 void TFT_4DGL :: set_font(char mode) { // set font size
JLS 0:bf06c6bfac7c 24 char command[2]= "";
JLS 0:bf06c6bfac7c 25
JLS 0:bf06c6bfac7c 26 int w, h, fx = 8, fy = 8;
JLS 0:bf06c6bfac7c 27
JLS 0:bf06c6bfac7c 28 command[0] = SETFONT;
JLS 0:bf06c6bfac7c 29 command[1] = mode;
JLS 0:bf06c6bfac7c 30
JLS 0:bf06c6bfac7c 31 current_font = mode;
JLS 0:bf06c6bfac7c 32
JLS 0:bf06c6bfac7c 33 if (current_orientation == IS_PORTRAIT) {
JLS 0:bf06c6bfac7c 34 w = SIZE_X;
JLS 0:bf06c6bfac7c 35 h = SIZE_Y;
JLS 0:bf06c6bfac7c 36 } else {
JLS 0:bf06c6bfac7c 37 w = SIZE_Y;
JLS 0:bf06c6bfac7c 38 h = SIZE_X;
JLS 0:bf06c6bfac7c 39 }
JLS 0:bf06c6bfac7c 40
JLS 0:bf06c6bfac7c 41 switch (mode) {
JLS 0:bf06c6bfac7c 42 case FONT_5X7 :
JLS 0:bf06c6bfac7c 43 fx = 6;
JLS 0:bf06c6bfac7c 44 fy = 8;
JLS 0:bf06c6bfac7c 45 break;
JLS 0:bf06c6bfac7c 46 case FONT_8X8 :
JLS 0:bf06c6bfac7c 47 fx = 8;
JLS 0:bf06c6bfac7c 48 fy = 8;
JLS 0:bf06c6bfac7c 49 break;
JLS 0:bf06c6bfac7c 50 case FONT_8X12 :
JLS 0:bf06c6bfac7c 51 fx = 8;
JLS 0:bf06c6bfac7c 52 fy = 12;
JLS 0:bf06c6bfac7c 53 break;
JLS 0:bf06c6bfac7c 54 case FONT_12X16 :
JLS 0:bf06c6bfac7c 55 fx = 12;
JLS 0:bf06c6bfac7c 56 fy = 16;
JLS 0:bf06c6bfac7c 57 break;
JLS 0:bf06c6bfac7c 58 }
JLS 0:bf06c6bfac7c 59
JLS 0:bf06c6bfac7c 60 max_col = w / fx;
JLS 0:bf06c6bfac7c 61 max_row = h / fy;
JLS 0:bf06c6bfac7c 62
JLS 0:bf06c6bfac7c 63 writeCOMMAND(command, 2);
JLS 0:bf06c6bfac7c 64 }
JLS 0:bf06c6bfac7c 65
JLS 0:bf06c6bfac7c 66 //****************************************************************************************************
JLS 0:bf06c6bfac7c 67 void TFT_4DGL :: text_mode(char mode) { // set text mode
JLS 0:bf06c6bfac7c 68 char command[2]= "";
JLS 0:bf06c6bfac7c 69
JLS 0:bf06c6bfac7c 70 command[0] = TEXTMODE;
JLS 0:bf06c6bfac7c 71 command[1] = mode;
JLS 0:bf06c6bfac7c 72
JLS 0:bf06c6bfac7c 73 writeCOMMAND(command, 2);
JLS 0:bf06c6bfac7c 74 }
JLS 0:bf06c6bfac7c 75
JLS 0:bf06c6bfac7c 76 //****************************************************************************************************
JLS 0:bf06c6bfac7c 77 void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
JLS 0:bf06c6bfac7c 78 char command[6]= "";
JLS 0:bf06c6bfac7c 79
JLS 0:bf06c6bfac7c 80 command[0] = TEXTCHAR;
JLS 0:bf06c6bfac7c 81
JLS 0:bf06c6bfac7c 82 command[1] = c;
JLS 0:bf06c6bfac7c 83 command[2] = col;
JLS 0:bf06c6bfac7c 84 command[3] = row;
JLS 0:bf06c6bfac7c 85
JLS 0:bf06c6bfac7c 86 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:bf06c6bfac7c 87 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:bf06c6bfac7c 88 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:bf06c6bfac7c 89
JLS 0:bf06c6bfac7c 90 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:bf06c6bfac7c 91 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:bf06c6bfac7c 92
JLS 0:bf06c6bfac7c 93 writeCOMMAND(command, 8);
JLS 0:bf06c6bfac7c 94 }
JLS 0:bf06c6bfac7c 95
JLS 0:bf06c6bfac7c 96 //****************************************************************************************************
JLS 0:bf06c6bfac7c 97 void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
JLS 0:bf06c6bfac7c 98 char command[10]= "";
JLS 0:bf06c6bfac7c 99
JLS 0:bf06c6bfac7c 100 command[0] = GRAPHCHAR;
JLS 0:bf06c6bfac7c 101
JLS 0:bf06c6bfac7c 102 command[1] = c;
JLS 0:bf06c6bfac7c 103
JLS 0:bf06c6bfac7c 104 command[2] = (x >> 8) & 0xFF;
JLS 0:bf06c6bfac7c 105 command[3] = x & 0xFF;
JLS 0:bf06c6bfac7c 106
JLS 0:bf06c6bfac7c 107 command[4] = (y >> 8) & 0xFF;
JLS 0:bf06c6bfac7c 108 command[5] = y & 0xFF;
JLS 0:bf06c6bfac7c 109
JLS 0:bf06c6bfac7c 110 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:bf06c6bfac7c 111 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:bf06c6bfac7c 112 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:bf06c6bfac7c 113
JLS 0:bf06c6bfac7c 114 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:bf06c6bfac7c 115 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:bf06c6bfac7c 116
JLS 0:bf06c6bfac7c 117 command[8] = width;
JLS 0:bf06c6bfac7c 118
JLS 0:bf06c6bfac7c 119 command[9] = height;
JLS 0:bf06c6bfac7c 120
JLS 0:bf06c6bfac7c 121 writeCOMMAND(command, 10);
JLS 0:bf06c6bfac7c 122 }
JLS 0:bf06c6bfac7c 123
JLS 0:bf06c6bfac7c 124 //****************************************************************************************************
JLS 0:bf06c6bfac7c 125 void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
JLS 0:bf06c6bfac7c 126
JLS 0:bf06c6bfac7c 127 char command[1000]= "";
JLS 0:bf06c6bfac7c 128 int size = strlen(s);
JLS 0:bf06c6bfac7c 129 int i = 0;
JLS 0:bf06c6bfac7c 130
JLS 0:bf06c6bfac7c 131 command[0] = TEXTSTRING;
JLS 0:bf06c6bfac7c 132
JLS 0:bf06c6bfac7c 133 command[1] = col;
JLS 0:bf06c6bfac7c 134 command[2] = row;
JLS 0:bf06c6bfac7c 135
JLS 0:bf06c6bfac7c 136 command[3] = font;
JLS 0:bf06c6bfac7c 137
JLS 0:bf06c6bfac7c 138 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:bf06c6bfac7c 139 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:bf06c6bfac7c 140 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:bf06c6bfac7c 141
JLS 0:bf06c6bfac7c 142 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:bf06c6bfac7c 143 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:bf06c6bfac7c 144
JLS 0:bf06c6bfac7c 145 for (i=0; i<size; i++) command[6+i] = s[i];
JLS 0:bf06c6bfac7c 146
JLS 0:bf06c6bfac7c 147 command[6+size] = 0;
JLS 0:bf06c6bfac7c 148
JLS 0:bf06c6bfac7c 149 writeCOMMAND(command, 7 + size);
JLS 0:bf06c6bfac7c 150 }
JLS 0:bf06c6bfac7c 151
JLS 0:bf06c6bfac7c 152 //****************************************************************************************************
JLS 0:bf06c6bfac7c 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 0:bf06c6bfac7c 154
JLS 0:bf06c6bfac7c 155 char command[1000]= "";
JLS 0:bf06c6bfac7c 156 int size = strlen(s);
JLS 0:bf06c6bfac7c 157 int i = 0;
JLS 0:bf06c6bfac7c 158
JLS 0:bf06c6bfac7c 159 command[0] = GRAPHSTRING;
JLS 0:bf06c6bfac7c 160
JLS 0:bf06c6bfac7c 161 command[1] = (x >> 8) & 0xFF;
JLS 0:bf06c6bfac7c 162 command[2] = x & 0xFF;
JLS 0:bf06c6bfac7c 163
JLS 0:bf06c6bfac7c 164 command[3] = (y >> 8) & 0xFF;
JLS 0:bf06c6bfac7c 165 command[4] = y & 0xFF;
JLS 0:bf06c6bfac7c 166
JLS 0:bf06c6bfac7c 167 command[5] = font;
JLS 0:bf06c6bfac7c 168
JLS 0:bf06c6bfac7c 169 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:bf06c6bfac7c 170 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:bf06c6bfac7c 171 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:bf06c6bfac7c 172
JLS 0:bf06c6bfac7c 173 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:bf06c6bfac7c 174 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:bf06c6bfac7c 175
JLS 0:bf06c6bfac7c 176 command[8] = width;
JLS 0:bf06c6bfac7c 177
JLS 0:bf06c6bfac7c 178 command[9] = height;
JLS 0:bf06c6bfac7c 179
JLS 0:bf06c6bfac7c 180 for (i=0; i<size; i++) command[10+i] = s[i];
JLS 0:bf06c6bfac7c 181
JLS 0:bf06c6bfac7c 182 command[10+size] = 0;
JLS 0:bf06c6bfac7c 183
JLS 0:bf06c6bfac7c 184 writeCOMMAND(command, 11 + size);
JLS 0:bf06c6bfac7c 185 }
JLS 0:bf06c6bfac7c 186
JLS 0:bf06c6bfac7c 187 //****************************************************************************************************
JLS 0:bf06c6bfac7c 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 0:bf06c6bfac7c 189
JLS 0:bf06c6bfac7c 190 char command[1000]= "";
JLS 0:bf06c6bfac7c 191 int size = strlen(s);
JLS 0:bf06c6bfac7c 192 int i = 0, red5, green6, blue5;
JLS 0:bf06c6bfac7c 193
JLS 0:bf06c6bfac7c 194 command[0] = TEXTBUTTON;
JLS 0:bf06c6bfac7c 195
JLS 0:bf06c6bfac7c 196 command[1] = mode;
JLS 0:bf06c6bfac7c 197
JLS 0:bf06c6bfac7c 198 command[2] = (x >> 8) & 0xFF;
JLS 0:bf06c6bfac7c 199 command[3] = x & 0xFF;
JLS 0:bf06c6bfac7c 200
JLS 0:bf06c6bfac7c 201 command[4] = (y >> 8) & 0xFF;
JLS 0:bf06c6bfac7c 202 command[5] = y & 0xFF;
JLS 0:bf06c6bfac7c 203
JLS 0:bf06c6bfac7c 204 red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:bf06c6bfac7c 205 green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:bf06c6bfac7c 206 blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:bf06c6bfac7c 207
JLS 0:bf06c6bfac7c 208 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:bf06c6bfac7c 209 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:bf06c6bfac7c 210
JLS 0:bf06c6bfac7c 211 command[8] = font;
JLS 0:bf06c6bfac7c 212
JLS 0:bf06c6bfac7c 213 red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:bf06c6bfac7c 214 green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:bf06c6bfac7c 215 blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:bf06c6bfac7c 216
JLS 0:bf06c6bfac7c 217 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:bf06c6bfac7c 218 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:bf06c6bfac7c 219
JLS 0:bf06c6bfac7c 220 command[11] = width;
JLS 0:bf06c6bfac7c 221
JLS 0:bf06c6bfac7c 222 command[12] = height;
JLS 0:bf06c6bfac7c 223
JLS 0:bf06c6bfac7c 224 for (i=0; i<size; i++) command[13+i] = s[i];
JLS 0:bf06c6bfac7c 225
JLS 0:bf06c6bfac7c 226 command[13+size] = 0;
JLS 0:bf06c6bfac7c 227
JLS 0:bf06c6bfac7c 228 writeCOMMAND(command, 14 + size);
JLS 0:bf06c6bfac7c 229 }
JLS 0:bf06c6bfac7c 230
JLS 0:bf06c6bfac7c 231 //****************************************************************************************************
JLS 0:bf06c6bfac7c 232 void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
JLS 0:bf06c6bfac7c 233 current_col = col;
JLS 0:bf06c6bfac7c 234 current_row = row;
JLS 0:bf06c6bfac7c 235 }
JLS 0:bf06c6bfac7c 236
JLS 0:bf06c6bfac7c 237 //****************************************************************************************************
JLS 0:bf06c6bfac7c 238 void TFT_4DGL :: color(int color) { // set text color
JLS 0:bf06c6bfac7c 239 current_color = color;
JLS 0:bf06c6bfac7c 240 }
JLS 0:bf06c6bfac7c 241
JLS 0:bf06c6bfac7c 242 //****************************************************************************************************
JLS 0:bf06c6bfac7c 243 void TFT_4DGL :: putc(char c) { // place char at current cursor position
JLS 0:bf06c6bfac7c 244
JLS 0:bf06c6bfac7c 245 text_char(c, current_col++, current_row, current_color);
JLS 0:bf06c6bfac7c 246
JLS 0:bf06c6bfac7c 247 if (current_col == max_col) {
JLS 0:bf06c6bfac7c 248 current_col = 0;
JLS 0:bf06c6bfac7c 249 current_row++;
JLS 0:bf06c6bfac7c 250 }
JLS 0:bf06c6bfac7c 251 if (current_row == max_row) {
JLS 0:bf06c6bfac7c 252 current_row = 0;
JLS 0:bf06c6bfac7c 253 }
JLS 0:bf06c6bfac7c 254 }
JLS 0:bf06c6bfac7c 255
JLS 0:bf06c6bfac7c 256 //****************************************************************************************************
JLS 0:bf06c6bfac7c 257 void TFT_4DGL :: puts(char *s) { // place string at current cursor position
JLS 0:bf06c6bfac7c 258
JLS 0:bf06c6bfac7c 259 text_string(s, current_col, current_row, current_font, current_color);
JLS 0:bf06c6bfac7c 260
JLS 0:bf06c6bfac7c 261 current_col += strlen(s);
JLS 0:bf06c6bfac7c 262
JLS 0:bf06c6bfac7c 263 if (current_col >= max_col) {
JLS 0:bf06c6bfac7c 264 current_row += current_col / max_col;
JLS 0:bf06c6bfac7c 265 current_col %= max_col;
JLS 0:bf06c6bfac7c 266 }
JLS 0:bf06c6bfac7c 267 if (current_row >= max_row) {
JLS 0:bf06c6bfac7c 268 current_row %= max_row;
JLS 0:bf06c6bfac7c 269 }
JLS 0:bf06c6bfac7c 270 }