Coby Lu / 4DGL

This is a library for 4DGL screens from 4D Systems in Autralia (http://www.4dsystems.com.au). Most graphic, touch and text functions are supported

Dependents:   snake

Fork of 4DGL by Stephane ROCHON

TFT_4DGL_Graphics.cpp@7:38db58dc6f4d, 2010-10-17 (annotated)

Committer:
Kerpower
Date:
Sun Oct 17 10:23:58 2010 +0000
Revision:
7:38db58dc6f4d
Parent:
0:1102d253f057
Child:
9:4b25d5413a06
2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kerpower 7:38db58dc6f4d 1 //
Kerpower 7:38db58dc6f4d 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
Kerpower 7:38db58dc6f4d 3 //
Kerpower 7:38db58dc6f4d 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
Kerpower 7:38db58dc6f4d 5 //
Kerpower 7:38db58dc6f4d 6 // TFT_4DGL is free software: you can redistribute it and/or modify
Kerpower 7:38db58dc6f4d 7 // it under the terms of the GNU General Public License as published by
Kerpower 7:38db58dc6f4d 8 // the Free Software Foundation, either version 3 of the License, or
Kerpower 7:38db58dc6f4d 9 // (at your option) any later version.
Kerpower 7:38db58dc6f4d 10 //
Kerpower 7:38db58dc6f4d 11 // TFT_4DGL is distributed in the hope that it will be useful,
Kerpower 7:38db58dc6f4d 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
Kerpower 7:38db58dc6f4d 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Kerpower 7:38db58dc6f4d 14 // GNU General Public License for more details.
Kerpower 7:38db58dc6f4d 15 //
Kerpower 7:38db58dc6f4d 16 // You should have received a copy of the GNU General Public License
Kerpower 7:38db58dc6f4d 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
Kerpower 7:38db58dc6f4d 18
Kerpower 7:38db58dc6f4d 19 #include "mbed.h"
Kerpower 7:38db58dc6f4d 20 #include "TFT_4DGL.h"
Kerpower 7:38db58dc6f4d 21
Kerpower 7:38db58dc6f4d 22
Kerpower 7:38db58dc6f4d 23 //****************************************************************************************************
Kerpower 7:38db58dc6f4d 24 void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y)
Kerpower 7:38db58dc6f4d 25 char command[9]= "";
Kerpower 7:38db58dc6f4d 26
Kerpower 7:38db58dc6f4d 27 command[0] = CIRCLE;
Kerpower 7:38db58dc6f4d 28
Kerpower 7:38db58dc6f4d 29 command[1] = (x >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 30 command[2] = x & 0xFF;
Kerpower 7:38db58dc6f4d 31
Kerpower 7:38db58dc6f4d 32 command[3] = (y >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 33 command[4] = y & 0xFF;
Kerpower 7:38db58dc6f4d 34
Kerpower 7:38db58dc6f4d 35 command[5] = (radius >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 36 command[6] = radius & 0xFF;
Kerpower 7:38db58dc6f4d 37
Kerpower 7:38db58dc6f4d 38 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 7:38db58dc6f4d 39 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 7:38db58dc6f4d 40 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 7:38db58dc6f4d 41
Kerpower 7:38db58dc6f4d 42 command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 7:38db58dc6f4d 43 command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 7:38db58dc6f4d 44
Kerpower 7:38db58dc6f4d 45 writeCOMMAND(command, 9);
Kerpower 7:38db58dc6f4d 46 }
Kerpower 7:38db58dc6f4d 47
Kerpower 7:38db58dc6f4d 48 //****************************************************************************************************
Kerpower 7:38db58dc6f4d 49 void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle
Kerpower 7:38db58dc6f4d 50 char command[15]= "";
Kerpower 7:38db58dc6f4d 51
Kerpower 7:38db58dc6f4d 52 command[0] = TRIANGLE;
Kerpower 7:38db58dc6f4d 53
Kerpower 7:38db58dc6f4d 54 command[1] = (x1 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 55 command[2] = x1 & 0xFF;
Kerpower 7:38db58dc6f4d 56
Kerpower 7:38db58dc6f4d 57 command[3] = (y1 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 58 command[4] = y1 & 0xFF;
Kerpower 7:38db58dc6f4d 59
Kerpower 7:38db58dc6f4d 60 command[5] = (x2 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 61 command[6] = x2 & 0xFF;
Kerpower 7:38db58dc6f4d 62
Kerpower 7:38db58dc6f4d 63 command[7] = (y2 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 64 command[8] = y2 & 0xFF;
Kerpower 7:38db58dc6f4d 65
Kerpower 7:38db58dc6f4d 66 command[9] = (x3 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 67 command[10] = x3 & 0xFF;
Kerpower 7:38db58dc6f4d 68
Kerpower 7:38db58dc6f4d 69 command[11] = (y3 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 70 command[12] = y3 & 0xFF;
Kerpower 7:38db58dc6f4d 71
Kerpower 7:38db58dc6f4d 72 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 7:38db58dc6f4d 73 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 7:38db58dc6f4d 74 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 7:38db58dc6f4d 75
Kerpower 7:38db58dc6f4d 76 command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 7:38db58dc6f4d 77 command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 7:38db58dc6f4d 78
Kerpower 7:38db58dc6f4d 79 writeCOMMAND(command, 15);
Kerpower 7:38db58dc6f4d 80 }
Kerpower 7:38db58dc6f4d 81
Kerpower 7:38db58dc6f4d 82 //****************************************************************************************************
Kerpower 7:38db58dc6f4d 83 void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line
Kerpower 7:38db58dc6f4d 84 char command[11]= "";
Kerpower 7:38db58dc6f4d 85
Kerpower 7:38db58dc6f4d 86 command[0] = LINE;
Kerpower 7:38db58dc6f4d 87
Kerpower 7:38db58dc6f4d 88 command[1] = (x1 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 89 command[2] = x1 & 0xFF;
Kerpower 7:38db58dc6f4d 90
Kerpower 7:38db58dc6f4d 91 command[3] = (y1 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 92 command[4] = y1 & 0xFF;
Kerpower 7:38db58dc6f4d 93
Kerpower 7:38db58dc6f4d 94 command[5] = (x2 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 95 command[6] = x2 & 0xFF;
Kerpower 7:38db58dc6f4d 96
Kerpower 7:38db58dc6f4d 97 command[7] = (y2 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 98 command[8] = y2 & 0xFF;
Kerpower 7:38db58dc6f4d 99
Kerpower 7:38db58dc6f4d 100 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 7:38db58dc6f4d 101 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 7:38db58dc6f4d 102 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 7:38db58dc6f4d 103
Kerpower 7:38db58dc6f4d 104 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 7:38db58dc6f4d 105 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 7:38db58dc6f4d 106
Kerpower 7:38db58dc6f4d 107 writeCOMMAND(command, 11);
Kerpower 7:38db58dc6f4d 108 }
Kerpower 7:38db58dc6f4d 109
Kerpower 7:38db58dc6f4d 110 //****************************************************************************************************
Kerpower 7:38db58dc6f4d 111 void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle
Kerpower 7:38db58dc6f4d 112 char command[11]= "";
Kerpower 7:38db58dc6f4d 113
Kerpower 7:38db58dc6f4d 114 command[0] = RECTANGLE;
Kerpower 7:38db58dc6f4d 115
Kerpower 7:38db58dc6f4d 116 command[1] = (x1 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 117 command[2] = x1 & 0xFF;
Kerpower 7:38db58dc6f4d 118
Kerpower 7:38db58dc6f4d 119 command[3] = (y1 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 120 command[4] = y1 & 0xFF;
Kerpower 7:38db58dc6f4d 121
Kerpower 7:38db58dc6f4d 122 command[5] = (x2 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 123 command[6] = x2 & 0xFF;
Kerpower 7:38db58dc6f4d 124
Kerpower 7:38db58dc6f4d 125 command[7] = (y2 >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 126 command[8] = y2 & 0xFF;
Kerpower 7:38db58dc6f4d 127
Kerpower 7:38db58dc6f4d 128 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 7:38db58dc6f4d 129 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 7:38db58dc6f4d 130 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 7:38db58dc6f4d 131
Kerpower 7:38db58dc6f4d 132 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 7:38db58dc6f4d 133 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 7:38db58dc6f4d 134
Kerpower 7:38db58dc6f4d 135 writeCOMMAND(command, 11);
Kerpower 7:38db58dc6f4d 136 }
Kerpower 7:38db58dc6f4d 137
Kerpower 7:38db58dc6f4d 138 //****************************************************************************************************
Kerpower 7:38db58dc6f4d 139 void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse
Kerpower 7:38db58dc6f4d 140 char command[11]= "";
Kerpower 7:38db58dc6f4d 141
Kerpower 7:38db58dc6f4d 142 command[0] = ELLIPSE;
Kerpower 7:38db58dc6f4d 143
Kerpower 7:38db58dc6f4d 144 command[1] = (x >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 145 command[2] = x & 0xFF;
Kerpower 7:38db58dc6f4d 146
Kerpower 7:38db58dc6f4d 147 command[3] = (y >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 148 command[4] = y & 0xFF;
Kerpower 7:38db58dc6f4d 149
Kerpower 7:38db58dc6f4d 150 command[5] = (radius_x >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 151 command[6] = radius_x & 0xFF;
Kerpower 7:38db58dc6f4d 152
Kerpower 7:38db58dc6f4d 153 command[7] = (radius_y >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 154 command[8] = radius_y & 0xFF;
Kerpower 7:38db58dc6f4d 155
Kerpower 7:38db58dc6f4d 156 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 7:38db58dc6f4d 157 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 7:38db58dc6f4d 158 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 7:38db58dc6f4d 159
Kerpower 7:38db58dc6f4d 160 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 7:38db58dc6f4d 161 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 7:38db58dc6f4d 162
Kerpower 7:38db58dc6f4d 163 writeCOMMAND(command, 11);
Kerpower 7:38db58dc6f4d 164 }
Kerpower 7:38db58dc6f4d 165
Kerpower 7:38db58dc6f4d 166 //****************************************************************************************************
Kerpower 7:38db58dc6f4d 167 void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel
Kerpower 7:38db58dc6f4d 168 char command[7]= "";
Kerpower 7:38db58dc6f4d 169
Kerpower 7:38db58dc6f4d 170 command[0] = PIXEL;
Kerpower 7:38db58dc6f4d 171
Kerpower 7:38db58dc6f4d 172 command[1] = (x >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 173 command[2] = x & 0xFF;
Kerpower 7:38db58dc6f4d 174
Kerpower 7:38db58dc6f4d 175 command[3] = (y >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 176 command[4] = y & 0xFF;
Kerpower 7:38db58dc6f4d 177
Kerpower 7:38db58dc6f4d 178 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Kerpower 7:38db58dc6f4d 179 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Kerpower 7:38db58dc6f4d 180 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Kerpower 7:38db58dc6f4d 181
Kerpower 7:38db58dc6f4d 182 command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Kerpower 7:38db58dc6f4d 183 command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Kerpower 7:38db58dc6f4d 184
Kerpower 7:38db58dc6f4d 185 writeCOMMAND(command, 7);
Kerpower 7:38db58dc6f4d 186 }
Kerpower 7:38db58dc6f4d 187
Kerpower 7:38db58dc6f4d 188 //******************************************************************************************************
Kerpower 7:38db58dc6f4d 189 int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data
Kerpower 7:38db58dc6f4d 190
Kerpower 7:38db58dc6f4d 191 char command[5]= "";
Kerpower 7:38db58dc6f4d 192
Kerpower 7:38db58dc6f4d 193 command[0] = READPIXEL;
Kerpower 7:38db58dc6f4d 194
Kerpower 7:38db58dc6f4d 195 command[1] = (x >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 196 command[2] = x & 0xFF;
Kerpower 7:38db58dc6f4d 197
Kerpower 7:38db58dc6f4d 198 command[3] = (y >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 199 command[4] = y & 0xFF;
Kerpower 7:38db58dc6f4d 200
Kerpower 7:38db58dc6f4d 201 int i, temp = 0, color = 0, resp = 0;
Kerpower 7:38db58dc6f4d 202 char response[2] = "";
Kerpower 7:38db58dc6f4d 203
Kerpower 7:38db58dc6f4d 204 freeBUFFER();
Kerpower 7:38db58dc6f4d 205
Kerpower 7:38db58dc6f4d 206 for (i = 0; i < 5; i++) { // send all chars to serial port
Kerpower 7:38db58dc6f4d 207 writeBYTE(command[i]);
Kerpower 7:38db58dc6f4d 208 }
Kerpower 7:38db58dc6f4d 209
Kerpower 7:38db58dc6f4d 210 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
Kerpower 7:38db58dc6f4d 211
Kerpower 7:38db58dc6f4d 212 while (_cmd.readable()) {
Kerpower 7:38db58dc6f4d 213 temp = _cmd.getc();
Kerpower 7:38db58dc6f4d 214 response[resp++] = (char)temp;
Kerpower 7:38db58dc6f4d 215 }
Kerpower 7:38db58dc6f4d 216
Kerpower 7:38db58dc6f4d 217 color = ((response[0] << 8) + response[1]);
Kerpower 7:38db58dc6f4d 218
Kerpower 7:38db58dc6f4d 219 return color; // WARNING : this is 16bits color, not 24bits... need to be fixed
Kerpower 7:38db58dc6f4d 220 }
Kerpower 7:38db58dc6f4d 221
Kerpower 7:38db58dc6f4d 222 //******************************************************************************************************
Kerpower 7:38db58dc6f4d 223 void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) {
Kerpower 7:38db58dc6f4d 224
Kerpower 7:38db58dc6f4d 225 char command[13]= "";
Kerpower 7:38db58dc6f4d 226
Kerpower 7:38db58dc6f4d 227 command[0] = SCREENCOPY;
Kerpower 7:38db58dc6f4d 228
Kerpower 7:38db58dc6f4d 229 command[1] = (xs >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 230 command[2] = xs & 0xFF;
Kerpower 7:38db58dc6f4d 231
Kerpower 7:38db58dc6f4d 232 command[3] = (ys >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 233 command[4] = ys & 0xFF;
Kerpower 7:38db58dc6f4d 234
Kerpower 7:38db58dc6f4d 235 command[5] = (xd >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 236 command[6] = xd & 0xFF;
Kerpower 7:38db58dc6f4d 237
Kerpower 7:38db58dc6f4d 238 command[7] = (yd >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 239 command[8] = yd & 0xFF;
Kerpower 7:38db58dc6f4d 240
Kerpower 7:38db58dc6f4d 241 command[9] = (width >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 242 command[10] = width & 0xFF;
Kerpower 7:38db58dc6f4d 243
Kerpower 7:38db58dc6f4d 244 command[11] = (height >> 8) & 0xFF;
Kerpower 7:38db58dc6f4d 245 command[12] = height & 0xFF;
Kerpower 7:38db58dc6f4d 246
Kerpower 7:38db58dc6f4d 247 writeCOMMAND(command, 13);
Kerpower 7:38db58dc6f4d 248 }
Kerpower 7:38db58dc6f4d 249
Kerpower 7:38db58dc6f4d 250 //****************************************************************************************************
Kerpower 7:38db58dc6f4d 251 void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME
Kerpower 7:38db58dc6f4d 252 char command[2]= "";
Kerpower 7:38db58dc6f4d 253
Kerpower 7:38db58dc6f4d 254 command[0] = PENSIZE;
Kerpower 7:38db58dc6f4d 255 command[1] = mode;
Kerpower 7:38db58dc6f4d 256
Kerpower 7:38db58dc6f4d 257 writeCOMMAND(command, 2);
Kerpower 0:1102d253f057 258 }