Anuj Patel / Mbed 2 deprecated uVGAII_with_printf

Wrappper for VGAII demo by Jim Hamblem that includes a printf function that can print infinitely.

Dependencies:   mbed

4DGL/TFT_4DGL_Graphics.cpp@0:10b753bd635e, 2011-10-13 (annotated)

Committer:
apatel43
Date:
Thu Oct 13 19:21:27 2011 +0000
Revision:
0:10b753bd635e
Version 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
apatel43 0:10b753bd635e 1 //
apatel43 0:10b753bd635e 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
apatel43 0:10b753bd635e 3 //
apatel43 0:10b753bd635e 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
apatel43 0:10b753bd635e 5 //
apatel43 0:10b753bd635e 6 // TFT_4DGL is free software: you can redistribute it and/or modify
apatel43 0:10b753bd635e 7 // it under the terms of the GNU General Public License as published by
apatel43 0:10b753bd635e 8 // the Free Software Foundation, either version 3 of the License, or
apatel43 0:10b753bd635e 9 // (at your option) any later version.
apatel43 0:10b753bd635e 10 //
apatel43 0:10b753bd635e 11 // TFT_4DGL is distributed in the hope that it will be useful,
apatel43 0:10b753bd635e 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
apatel43 0:10b753bd635e 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
apatel43 0:10b753bd635e 14 // GNU General Public License for more details.
apatel43 0:10b753bd635e 15 //
apatel43 0:10b753bd635e 16 // You should have received a copy of the GNU General Public License
apatel43 0:10b753bd635e 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
apatel43 0:10b753bd635e 18
apatel43 0:10b753bd635e 19 #include "mbed.h"
apatel43 0:10b753bd635e 20 #include "TFT_4DGL.h"
apatel43 0:10b753bd635e 21
apatel43 0:10b753bd635e 22 #define ARRAY_SIZE(X) sizeof(X)/sizeof(X[0])
apatel43 0:10b753bd635e 23
apatel43 0:10b753bd635e 24 //****************************************************************************************************
apatel43 0:10b753bd635e 25 void TFT_4DGL :: circle(int x, int y , int radius, int color) { // draw a circle in (x,y)
apatel43 0:10b753bd635e 26 char command[9]= "";
apatel43 0:10b753bd635e 27
apatel43 0:10b753bd635e 28 command[0] = CIRCLE;
apatel43 0:10b753bd635e 29
apatel43 0:10b753bd635e 30 command[1] = (x >> 8) & 0xFF;
apatel43 0:10b753bd635e 31 command[2] = x & 0xFF;
apatel43 0:10b753bd635e 32
apatel43 0:10b753bd635e 33 command[3] = (y >> 8) & 0xFF;
apatel43 0:10b753bd635e 34 command[4] = y & 0xFF;
apatel43 0:10b753bd635e 35
apatel43 0:10b753bd635e 36 command[5] = (radius >> 8) & 0xFF;
apatel43 0:10b753bd635e 37 command[6] = radius & 0xFF;
apatel43 0:10b753bd635e 38
apatel43 0:10b753bd635e 39 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
apatel43 0:10b753bd635e 40 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
apatel43 0:10b753bd635e 41 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
apatel43 0:10b753bd635e 42
apatel43 0:10b753bd635e 43 command[7] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
apatel43 0:10b753bd635e 44 command[8] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
apatel43 0:10b753bd635e 45
apatel43 0:10b753bd635e 46 writeCOMMAND(command, 9);
apatel43 0:10b753bd635e 47 }
apatel43 0:10b753bd635e 48
apatel43 0:10b753bd635e 49 //****************************************************************************************************
apatel43 0:10b753bd635e 50 void TFT_4DGL :: triangle(int x1, int y1 , int x2, int y2, int x3, int y3, int color) { // draw a traingle
apatel43 0:10b753bd635e 51 char command[15]= "";
apatel43 0:10b753bd635e 52
apatel43 0:10b753bd635e 53 command[0] = TRIANGLE;
apatel43 0:10b753bd635e 54
apatel43 0:10b753bd635e 55 command[1] = (x1 >> 8) & 0xFF;
apatel43 0:10b753bd635e 56 command[2] = x1 & 0xFF;
apatel43 0:10b753bd635e 57
apatel43 0:10b753bd635e 58 command[3] = (y1 >> 8) & 0xFF;
apatel43 0:10b753bd635e 59 command[4] = y1 & 0xFF;
apatel43 0:10b753bd635e 60
apatel43 0:10b753bd635e 61 command[5] = (x2 >> 8) & 0xFF;
apatel43 0:10b753bd635e 62 command[6] = x2 & 0xFF;
apatel43 0:10b753bd635e 63
apatel43 0:10b753bd635e 64 command[7] = (y2 >> 8) & 0xFF;
apatel43 0:10b753bd635e 65 command[8] = y2 & 0xFF;
apatel43 0:10b753bd635e 66
apatel43 0:10b753bd635e 67 command[9] = (x3 >> 8) & 0xFF;
apatel43 0:10b753bd635e 68 command[10] = x3 & 0xFF;
apatel43 0:10b753bd635e 69
apatel43 0:10b753bd635e 70 command[11] = (y3 >> 8) & 0xFF;
apatel43 0:10b753bd635e 71 command[12] = y3 & 0xFF;
apatel43 0:10b753bd635e 72
apatel43 0:10b753bd635e 73 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
apatel43 0:10b753bd635e 74 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
apatel43 0:10b753bd635e 75 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
apatel43 0:10b753bd635e 76
apatel43 0:10b753bd635e 77 command[13] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
apatel43 0:10b753bd635e 78 command[14] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
apatel43 0:10b753bd635e 79
apatel43 0:10b753bd635e 80 writeCOMMAND(command, 15);
apatel43 0:10b753bd635e 81 }
apatel43 0:10b753bd635e 82
apatel43 0:10b753bd635e 83 //****************************************************************************************************
apatel43 0:10b753bd635e 84 void TFT_4DGL :: line(int x1, int y1 , int x2, int y2, int color) { // draw a line
apatel43 0:10b753bd635e 85 char command[11]= "";
apatel43 0:10b753bd635e 86
apatel43 0:10b753bd635e 87 command[0] = LINE;
apatel43 0:10b753bd635e 88
apatel43 0:10b753bd635e 89 command[1] = (x1 >> 8) & 0xFF;
apatel43 0:10b753bd635e 90 command[2] = x1 & 0xFF;
apatel43 0:10b753bd635e 91
apatel43 0:10b753bd635e 92 command[3] = (y1 >> 8) & 0xFF;
apatel43 0:10b753bd635e 93 command[4] = y1 & 0xFF;
apatel43 0:10b753bd635e 94
apatel43 0:10b753bd635e 95 command[5] = (x2 >> 8) & 0xFF;
apatel43 0:10b753bd635e 96 command[6] = x2 & 0xFF;
apatel43 0:10b753bd635e 97
apatel43 0:10b753bd635e 98 command[7] = (y2 >> 8) & 0xFF;
apatel43 0:10b753bd635e 99 command[8] = y2 & 0xFF;
apatel43 0:10b753bd635e 100
apatel43 0:10b753bd635e 101 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
apatel43 0:10b753bd635e 102 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
apatel43 0:10b753bd635e 103 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
apatel43 0:10b753bd635e 104
apatel43 0:10b753bd635e 105 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
apatel43 0:10b753bd635e 106 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
apatel43 0:10b753bd635e 107
apatel43 0:10b753bd635e 108 writeCOMMAND(command, 11);
apatel43 0:10b753bd635e 109 }
apatel43 0:10b753bd635e 110
apatel43 0:10b753bd635e 111 //****************************************************************************************************
apatel43 0:10b753bd635e 112 void TFT_4DGL :: rectangle(int x1, int y1 , int x2, int y2, int color) { // draw a rectangle
apatel43 0:10b753bd635e 113 char command[11]= "";
apatel43 0:10b753bd635e 114
apatel43 0:10b753bd635e 115 command[0] = RECTANGLE;
apatel43 0:10b753bd635e 116
apatel43 0:10b753bd635e 117 command[1] = (x1 >> 8) & 0xFF;
apatel43 0:10b753bd635e 118 command[2] = x1 & 0xFF;
apatel43 0:10b753bd635e 119
apatel43 0:10b753bd635e 120 command[3] = (y1 >> 8) & 0xFF;
apatel43 0:10b753bd635e 121 command[4] = y1 & 0xFF;
apatel43 0:10b753bd635e 122
apatel43 0:10b753bd635e 123 command[5] = (x2 >> 8) & 0xFF;
apatel43 0:10b753bd635e 124 command[6] = x2 & 0xFF;
apatel43 0:10b753bd635e 125
apatel43 0:10b753bd635e 126 command[7] = (y2 >> 8) & 0xFF;
apatel43 0:10b753bd635e 127 command[8] = y2 & 0xFF;
apatel43 0:10b753bd635e 128
apatel43 0:10b753bd635e 129 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
apatel43 0:10b753bd635e 130 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
apatel43 0:10b753bd635e 131 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
apatel43 0:10b753bd635e 132
apatel43 0:10b753bd635e 133 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
apatel43 0:10b753bd635e 134 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
apatel43 0:10b753bd635e 135
apatel43 0:10b753bd635e 136 writeCOMMAND(command, 11);
apatel43 0:10b753bd635e 137 }
apatel43 0:10b753bd635e 138
apatel43 0:10b753bd635e 139 //****************************************************************************************************
apatel43 0:10b753bd635e 140 void TFT_4DGL :: ellipse(int x, int y , int radius_x, int radius_y, int color) { // draw an ellipse
apatel43 0:10b753bd635e 141 char command[11]= "";
apatel43 0:10b753bd635e 142
apatel43 0:10b753bd635e 143 command[0] = ELLIPSE;
apatel43 0:10b753bd635e 144
apatel43 0:10b753bd635e 145 command[1] = (x >> 8) & 0xFF;
apatel43 0:10b753bd635e 146 command[2] = x & 0xFF;
apatel43 0:10b753bd635e 147
apatel43 0:10b753bd635e 148 command[3] = (y >> 8) & 0xFF;
apatel43 0:10b753bd635e 149 command[4] = y & 0xFF;
apatel43 0:10b753bd635e 150
apatel43 0:10b753bd635e 151 command[5] = (radius_x >> 8) & 0xFF;
apatel43 0:10b753bd635e 152 command[6] = radius_x & 0xFF;
apatel43 0:10b753bd635e 153
apatel43 0:10b753bd635e 154 command[7] = (radius_y >> 8) & 0xFF;
apatel43 0:10b753bd635e 155 command[8] = radius_y & 0xFF;
apatel43 0:10b753bd635e 156
apatel43 0:10b753bd635e 157 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
apatel43 0:10b753bd635e 158 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
apatel43 0:10b753bd635e 159 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
apatel43 0:10b753bd635e 160
apatel43 0:10b753bd635e 161 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
apatel43 0:10b753bd635e 162 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
apatel43 0:10b753bd635e 163
apatel43 0:10b753bd635e 164 writeCOMMAND(command, 11);
apatel43 0:10b753bd635e 165 }
apatel43 0:10b753bd635e 166
apatel43 0:10b753bd635e 167 //****************************************************************************************************
apatel43 0:10b753bd635e 168 void TFT_4DGL :: pixel(int x, int y, int color) { // draw a pixel
apatel43 0:10b753bd635e 169 char command[7]= "";
apatel43 0:10b753bd635e 170
apatel43 0:10b753bd635e 171 command[0] = PIXEL;
apatel43 0:10b753bd635e 172
apatel43 0:10b753bd635e 173 command[1] = (x >> 8) & 0xFF;
apatel43 0:10b753bd635e 174 command[2] = x & 0xFF;
apatel43 0:10b753bd635e 175
apatel43 0:10b753bd635e 176 command[3] = (y >> 8) & 0xFF;
apatel43 0:10b753bd635e 177 command[4] = y & 0xFF;
apatel43 0:10b753bd635e 178
apatel43 0:10b753bd635e 179 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
apatel43 0:10b753bd635e 180 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
apatel43 0:10b753bd635e 181 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
apatel43 0:10b753bd635e 182
apatel43 0:10b753bd635e 183 command[5] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
apatel43 0:10b753bd635e 184 command[6] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
apatel43 0:10b753bd635e 185
apatel43 0:10b753bd635e 186 writeCOMMAND(command, 7);
apatel43 0:10b753bd635e 187 }
apatel43 0:10b753bd635e 188
apatel43 0:10b753bd635e 189 //******************************************************************************************************
apatel43 0:10b753bd635e 190 int TFT_4DGL :: read_pixel(int x, int y) { // read screen info and populate data
apatel43 0:10b753bd635e 191
apatel43 0:10b753bd635e 192 char command[5]= "";
apatel43 0:10b753bd635e 193
apatel43 0:10b753bd635e 194 command[0] = READPIXEL;
apatel43 0:10b753bd635e 195
apatel43 0:10b753bd635e 196 command[1] = (x >> 8) & 0xFF;
apatel43 0:10b753bd635e 197 command[2] = x & 0xFF;
apatel43 0:10b753bd635e 198
apatel43 0:10b753bd635e 199 command[3] = (y >> 8) & 0xFF;
apatel43 0:10b753bd635e 200 command[4] = y & 0xFF;
apatel43 0:10b753bd635e 201
apatel43 0:10b753bd635e 202 int i, temp = 0, color = 0, resp = 0;
apatel43 0:10b753bd635e 203 char response[2] = "";
apatel43 0:10b753bd635e 204
apatel43 0:10b753bd635e 205 freeBUFFER();
apatel43 0:10b753bd635e 206
apatel43 0:10b753bd635e 207 for (i = 0; i < 5; i++) { // send all chars to serial port
apatel43 0:10b753bd635e 208 writeBYTE(command[i]);
apatel43 0:10b753bd635e 209 }
apatel43 0:10b753bd635e 210
apatel43 0:10b753bd635e 211 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
apatel43 0:10b753bd635e 212
apatel43 0:10b753bd635e 213 while (_cmd.readable() && resp < ARRAY_SIZE(response)) {
apatel43 0:10b753bd635e 214 temp = _cmd.getc();
apatel43 0:10b753bd635e 215 response[resp++] = (char)temp;
apatel43 0:10b753bd635e 216 }
apatel43 0:10b753bd635e 217
apatel43 0:10b753bd635e 218 color = ((response[0] << 8) + response[1]);
apatel43 0:10b753bd635e 219
apatel43 0:10b753bd635e 220 return color; // WARNING : this is 16bits color, not 24bits... need to be fixed
apatel43 0:10b753bd635e 221 }
apatel43 0:10b753bd635e 222
apatel43 0:10b753bd635e 223 //******************************************************************************************************
apatel43 0:10b753bd635e 224 void TFT_4DGL :: screen_copy(int xs, int ys , int xd, int yd , int width, int height) {
apatel43 0:10b753bd635e 225
apatel43 0:10b753bd635e 226 char command[13]= "";
apatel43 0:10b753bd635e 227
apatel43 0:10b753bd635e 228 command[0] = SCREENCOPY;
apatel43 0:10b753bd635e 229
apatel43 0:10b753bd635e 230 command[1] = (xs >> 8) & 0xFF;
apatel43 0:10b753bd635e 231 command[2] = xs & 0xFF;
apatel43 0:10b753bd635e 232
apatel43 0:10b753bd635e 233 command[3] = (ys >> 8) & 0xFF;
apatel43 0:10b753bd635e 234 command[4] = ys & 0xFF;
apatel43 0:10b753bd635e 235
apatel43 0:10b753bd635e 236 command[5] = (xd >> 8) & 0xFF;
apatel43 0:10b753bd635e 237 command[6] = xd & 0xFF;
apatel43 0:10b753bd635e 238
apatel43 0:10b753bd635e 239 command[7] = (yd >> 8) & 0xFF;
apatel43 0:10b753bd635e 240 command[8] = yd & 0xFF;
apatel43 0:10b753bd635e 241
apatel43 0:10b753bd635e 242 command[9] = (width >> 8) & 0xFF;
apatel43 0:10b753bd635e 243 command[10] = width & 0xFF;
apatel43 0:10b753bd635e 244
apatel43 0:10b753bd635e 245 command[11] = (height >> 8) & 0xFF;
apatel43 0:10b753bd635e 246 command[12] = height & 0xFF;
apatel43 0:10b753bd635e 247
apatel43 0:10b753bd635e 248 writeCOMMAND(command, 13);
apatel43 0:10b753bd635e 249 }
apatel43 0:10b753bd635e 250
apatel43 0:10b753bd635e 251 //****************************************************************************************************
apatel43 0:10b753bd635e 252 void TFT_4DGL :: pen_size(char mode) { // set pen to SOLID or WIREFRAME
apatel43 0:10b753bd635e 253 char command[2]= "";
apatel43 0:10b753bd635e 254
apatel43 0:10b753bd635e 255 command[0] = PENSIZE;
apatel43 0:10b753bd635e 256 command[1] = mode;
apatel43 0:10b753bd635e 257
apatel43 0:10b753bd635e 258 writeCOMMAND(command, 2);
apatel43 0:10b753bd635e 259 }