Dependencies:   mbed

Committer:
Kerpower
Date:
Sun Jul 18 14:43:48 2010 +0000
Revision:
0:772a63029ab0

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kerpower 0:772a63029ab0 1 //
Kerpower 0:772a63029ab0 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
Kerpower 0:772a63029ab0 3 //
Kerpower 0:772a63029ab0 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
Kerpower 0:772a63029ab0 5 //
Kerpower 0:772a63029ab0 6 // TFT_4DGL is free software: you can redistribute it and/or modify
Kerpower 0:772a63029ab0 7 // it under the terms of the GNU General Public License as published by
Kerpower 0:772a63029ab0 8 // the Free Software Foundation, either version 3 of the License, or
Kerpower 0:772a63029ab0 9 // (at your option) any later version.
Kerpower 0:772a63029ab0 10 //
Kerpower 0:772a63029ab0 11 // TFT_4DGL is distributed in the hope that it will be useful,
Kerpower 0:772a63029ab0 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
Kerpower 0:772a63029ab0 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Kerpower 0:772a63029ab0 14 // GNU General Public License for more details.
Kerpower 0:772a63029ab0 15 //
Kerpower 0:772a63029ab0 16 // You should have received a copy of the GNU General Public License
Kerpower 0:772a63029ab0 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
Kerpower 0:772a63029ab0 18
Kerpower 0:772a63029ab0 19 #include "mbed.h"
Kerpower 0:772a63029ab0 20 #include "TFT_4DGL.h"
Kerpower 0:772a63029ab0 21
Kerpower 0:772a63029ab0 22 //****************************************************************************************************
Kerpower 0:772a63029ab0 23 void TFT_4DGL :: set_font(char mode) { // set font size
Kerpower 0:772a63029ab0 24 char command[2]= "";
Kerpower 0:772a63029ab0 25
Kerpower 0:772a63029ab0 26 int w, h, fx = 8, fy = 8;
Kerpower 0:772a63029ab0 27
Kerpower 0:772a63029ab0 28 command[0] = SETFONT;
Kerpower 0:772a63029ab0 29 command[1] = mode;
Kerpower 0:772a63029ab0 30
Kerpower 0:772a63029ab0 31 current_font = mode;
Kerpower 0:772a63029ab0 32
Kerpower 0:772a63029ab0 33 if (current_orientation == IS_PORTRAIT) {
Kerpower 0:772a63029ab0 34 w = SIZE_X;
Kerpower 0:772a63029ab0 35 h = SIZE_Y;
Kerpower 0:772a63029ab0 36 } else {
Kerpower 0:772a63029ab0 37 w = SIZE_Y;
Kerpower 0:772a63029ab0 38 h = SIZE_X;
Kerpower 0:772a63029ab0 39 }
Kerpower 0:772a63029ab0 40
Kerpower 0:772a63029ab0 41 switch (mode) {
Kerpower 0:772a63029ab0 42 case FONT_5X7 :
Kerpower 0:772a63029ab0 43 fx = 6;
Kerpower 0:772a63029ab0 44 fy = 8;
Kerpower 0:772a63029ab0 45 break;
Kerpower 0:772a63029ab0 46 case FONT_8X8 :
Kerpower 0:772a63029ab0 47 fx = 8;
Kerpower 0:772a63029ab0 48 fy = 8;
Kerpower 0:772a63029ab0 49 break;
Kerpower 0:772a63029ab0 50 case FONT_8X12 :
Kerpower 0:772a63029ab0 51 fx = 8;
Kerpower 0:772a63029ab0 52 fy = 12;
Kerpower 0:772a63029ab0 53 break;
Kerpower 0:772a63029ab0 54 case FONT_12X16 :
Kerpower 0:772a63029ab0 55 fx = 12;
Kerpower 0:772a63029ab0 56 fy = 16;
Kerpower 0:772a63029ab0 57 break;
Kerpower 0:772a63029ab0 58 }
Kerpower 0:772a63029ab0 59
Kerpower 0:772a63029ab0 60 max_col = w / fx;
Kerpower 0:772a63029ab0 61 max_row = h / fy;
Kerpower 0:772a63029ab0 62
Kerpower 0:772a63029ab0 63 writeCOMMAND(command, 2);
Kerpower 0:772a63029ab0 64 }
Kerpower 0:772a63029ab0 65
Kerpower 0:772a63029ab0 66 //****************************************************************************************************
Kerpower 0:772a63029ab0 67 void TFT_4DGL :: text_mode(char mode) { // set text mode
Kerpower 0:772a63029ab0 68 char command[2]= "";
Kerpower 0:772a63029ab0 69
Kerpower 0:772a63029ab0 70 command[0] = TEXTMODE;
Kerpower 0:772a63029ab0 71 command[1] = mode;
Kerpower 0:772a63029ab0 72
Kerpower 0:772a63029ab0 73 writeCOMMAND(command, 2);
Kerpower 0:772a63029ab0 74 }
Kerpower 0:772a63029ab0 75
Kerpower 0:772a63029ab0 76 //****************************************************************************************************
Kerpower 0:772a63029ab0 77 void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
Kerpower 0:772a63029ab0 78 char command[6]= "";
Kerpower 0:772a63029ab0 79
Kerpower 0:772a63029ab0 80 command[0] = TEXTCHAR;
Kerpower 0:772a63029ab0 81
Kerpower 0:772a63029ab0 82 command[1] = c;
Kerpower 0:772a63029ab0 83 command[2] = col;
Kerpower 0:772a63029ab0 84 command[3] = row;
Kerpower 0:772a63029ab0 85
Kerpower 0:772a63029ab0 86 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 0:772a63029ab0 87 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 0:772a63029ab0 88 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 0:772a63029ab0 89
Kerpower 0:772a63029ab0 90 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 0:772a63029ab0 91 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 0:772a63029ab0 92
Kerpower 0:772a63029ab0 93 writeCOMMAND(command, 8);
Kerpower 0:772a63029ab0 94 }
Kerpower 0:772a63029ab0 95
Kerpower 0:772a63029ab0 96 //****************************************************************************************************
Kerpower 0:772a63029ab0 97 void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
Kerpower 0:772a63029ab0 98 char command[10]= "";
Kerpower 0:772a63029ab0 99
Kerpower 0:772a63029ab0 100 command[0] = GRAPHCHAR;
Kerpower 0:772a63029ab0 101
Kerpower 0:772a63029ab0 102 command[1] = c;
Kerpower 0:772a63029ab0 103
Kerpower 0:772a63029ab0 104 command[2] = (x >> 8) & 0xFF;
Kerpower 0:772a63029ab0 105 command[3] = x & 0xFF;
Kerpower 0:772a63029ab0 106
Kerpower 0:772a63029ab0 107 command[4] = (y >> 8) & 0xFF;
Kerpower 0:772a63029ab0 108 command[5] = y & 0xFF;
Kerpower 0:772a63029ab0 109
Kerpower 0:772a63029ab0 110 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 0:772a63029ab0 111 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 0:772a63029ab0 112 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 0:772a63029ab0 113
Kerpower 0:772a63029ab0 114 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 0:772a63029ab0 115 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 0:772a63029ab0 116
Kerpower 0:772a63029ab0 117 command[8] = width;
Kerpower 0:772a63029ab0 118
Kerpower 0:772a63029ab0 119 command[9] = height;
Kerpower 0:772a63029ab0 120
Kerpower 0:772a63029ab0 121 writeCOMMAND(command, 10);
Kerpower 0:772a63029ab0 122 }
Kerpower 0:772a63029ab0 123
Kerpower 0:772a63029ab0 124 //****************************************************************************************************
Kerpower 0:772a63029ab0 125 void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
Kerpower 0:772a63029ab0 126
Kerpower 0:772a63029ab0 127 char command[1000]= "";
Kerpower 0:772a63029ab0 128 int size = strlen(s);
Kerpower 0:772a63029ab0 129 int i = 0;
Kerpower 0:772a63029ab0 130
Kerpower 0:772a63029ab0 131 command[0] = TEXTSTRING;
Kerpower 0:772a63029ab0 132
Kerpower 0:772a63029ab0 133 command[1] = col;
Kerpower 0:772a63029ab0 134 command[2] = row;
Kerpower 0:772a63029ab0 135
Kerpower 0:772a63029ab0 136 command[3] = font;
Kerpower 0:772a63029ab0 137
Kerpower 0:772a63029ab0 138 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 0:772a63029ab0 139 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 0:772a63029ab0 140 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 0:772a63029ab0 141
Kerpower 0:772a63029ab0 142 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 0:772a63029ab0 143 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 0:772a63029ab0 144
Kerpower 0:772a63029ab0 145 for (i=0; i<size; i++) command[6+i] = s[i];
Kerpower 0:772a63029ab0 146
Kerpower 0:772a63029ab0 147 command[6+size] = 0;
Kerpower 0:772a63029ab0 148
Kerpower 0:772a63029ab0 149 writeCOMMAND(command, 7 + size);
Kerpower 0:772a63029ab0 150 }
Kerpower 0:772a63029ab0 151
Kerpower 0:772a63029ab0 152 //****************************************************************************************************
Kerpower 0:772a63029ab0 153 void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string
Kerpower 0:772a63029ab0 154
Kerpower 0:772a63029ab0 155 char command[1000]= "";
Kerpower 0:772a63029ab0 156 int size = strlen(s);
Kerpower 0:772a63029ab0 157 int i = 0;
Kerpower 0:772a63029ab0 158
Kerpower 0:772a63029ab0 159 command[0] = GRAPHSTRING;
Kerpower 0:772a63029ab0 160
Kerpower 0:772a63029ab0 161 command[1] = (x >> 8) & 0xFF;
Kerpower 0:772a63029ab0 162 command[2] = x & 0xFF;
Kerpower 0:772a63029ab0 163
Kerpower 0:772a63029ab0 164 command[3] = (y >> 8) & 0xFF;
Kerpower 0:772a63029ab0 165 command[4] = y & 0xFF;
Kerpower 0:772a63029ab0 166
Kerpower 0:772a63029ab0 167 command[5] = font;
Kerpower 0:772a63029ab0 168
Kerpower 0:772a63029ab0 169 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 0:772a63029ab0 170 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 0:772a63029ab0 171 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 0:772a63029ab0 172
Kerpower 0:772a63029ab0 173 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 0:772a63029ab0 174 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 0:772a63029ab0 175
Kerpower 0:772a63029ab0 176 command[8] = width;
Kerpower 0:772a63029ab0 177
Kerpower 0:772a63029ab0 178 command[9] = height;
Kerpower 0:772a63029ab0 179
Kerpower 0:772a63029ab0 180 for (i=0; i<size; i++) command[10+i] = s[i];
Kerpower 0:772a63029ab0 181
Kerpower 0:772a63029ab0 182 command[10+size] = 0;
Kerpower 0:772a63029ab0 183
Kerpower 0:772a63029ab0 184 writeCOMMAND(command, 11 + size);
Kerpower 0:772a63029ab0 185 }
Kerpower 0:772a63029ab0 186
Kerpower 0:772a63029ab0 187 //****************************************************************************************************
Kerpower 0:772a63029ab0 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
Kerpower 0:772a63029ab0 189
Kerpower 0:772a63029ab0 190 char command[1000]= "";
Kerpower 0:772a63029ab0 191 int size = strlen(s);
Kerpower 0:772a63029ab0 192 int i = 0, red5, green6, blue5;
Kerpower 0:772a63029ab0 193
Kerpower 0:772a63029ab0 194 command[0] = TEXTBUTTON;
Kerpower 0:772a63029ab0 195
Kerpower 0:772a63029ab0 196 command[1] = mode;
Kerpower 0:772a63029ab0 197
Kerpower 0:772a63029ab0 198 command[2] = (x >> 8) & 0xFF;
Kerpower 0:772a63029ab0 199 command[3] = x & 0xFF;
Kerpower 0:772a63029ab0 200
Kerpower 0:772a63029ab0 201 command[4] = (y >> 8) & 0xFF;
Kerpower 0:772a63029ab0 202 command[5] = y & 0xFF;
Kerpower 0:772a63029ab0 203
Kerpower 0:772a63029ab0 204 red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 0:772a63029ab0 205 green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 0:772a63029ab0 206 blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 0:772a63029ab0 207
Kerpower 0:772a63029ab0 208 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 0:772a63029ab0 209 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 0:772a63029ab0 210
Kerpower 0:772a63029ab0 211 command[8] = font;
Kerpower 0:772a63029ab0 212
Kerpower 0:772a63029ab0 213 red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 0:772a63029ab0 214 green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 0:772a63029ab0 215 blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 0:772a63029ab0 216
Kerpower 0:772a63029ab0 217 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 0:772a63029ab0 218 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 0:772a63029ab0 219
Kerpower 0:772a63029ab0 220 command[11] = width;
Kerpower 0:772a63029ab0 221
Kerpower 0:772a63029ab0 222 command[12] = height;
Kerpower 0:772a63029ab0 223
Kerpower 0:772a63029ab0 224 for (i=0; i<size; i++) command[13+i] = s[i];
Kerpower 0:772a63029ab0 225
Kerpower 0:772a63029ab0 226 command[13+size] = 0;
Kerpower 0:772a63029ab0 227
Kerpower 0:772a63029ab0 228 writeCOMMAND(command, 14 + size);
Kerpower 0:772a63029ab0 229 }
Kerpower 0:772a63029ab0 230
Kerpower 0:772a63029ab0 231 //****************************************************************************************************
Kerpower 0:772a63029ab0 232 void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
Kerpower 0:772a63029ab0 233 current_col = col;
Kerpower 0:772a63029ab0 234 current_row = row;
Kerpower 0:772a63029ab0 235 }
Kerpower 0:772a63029ab0 236
Kerpower 0:772a63029ab0 237 //****************************************************************************************************
Kerpower 0:772a63029ab0 238 void TFT_4DGL :: color(int color) { // set text color
Kerpower 0:772a63029ab0 239 current_color = color;
Kerpower 0:772a63029ab0 240 }
Kerpower 0:772a63029ab0 241
Kerpower 0:772a63029ab0 242 //****************************************************************************************************
Kerpower 0:772a63029ab0 243 void TFT_4DGL :: putc(char c) { // place char at current cursor position
Kerpower 0:772a63029ab0 244
Kerpower 0:772a63029ab0 245 text_char(c, current_col++, current_row, current_color);
Kerpower 0:772a63029ab0 246
Kerpower 0:772a63029ab0 247 if (current_col == max_col) {
Kerpower 0:772a63029ab0 248 current_col = 0;
Kerpower 0:772a63029ab0 249 current_row++;
Kerpower 0:772a63029ab0 250 }
Kerpower 0:772a63029ab0 251 if (current_row == max_row) {
Kerpower 0:772a63029ab0 252 current_row = 0;
Kerpower 0:772a63029ab0 253 }
Kerpower 0:772a63029ab0 254 }
Kerpower 0:772a63029ab0 255
Kerpower 0:772a63029ab0 256 //****************************************************************************************************
Kerpower 0:772a63029ab0 257 void TFT_4DGL :: puts(char *s) { // place string at current cursor position
Kerpower 0:772a63029ab0 258
Kerpower 0:772a63029ab0 259 text_string(s, current_col, current_row, current_font, current_color);
Kerpower 0:772a63029ab0 260
Kerpower 0:772a63029ab0 261 current_col += strlen(s);
Kerpower 0:772a63029ab0 262
Kerpower 0:772a63029ab0 263 if (current_col >= max_col) {
Kerpower 0:772a63029ab0 264 current_row += current_col / max_col;
Kerpower 0:772a63029ab0 265 current_col %= max_col;
Kerpower 0:772a63029ab0 266 }
Kerpower 0:772a63029ab0 267 if (current_row >= max_row) {
Kerpower 0:772a63029ab0 268 current_row %= max_row;
Kerpower 0:772a63029ab0 269 }
Kerpower 0:772a63029ab0 270 }