Circular limit cycle - 2D nonlinear attractor

Dependencies:   mbed

Committer:
JLS
Date:
Tue Feb 08 21:33:11 2011 +0000
Revision:
0:ba94dffa2c21

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JLS 0:ba94dffa2c21 1 //
JLS 0:ba94dffa2c21 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 0:ba94dffa2c21 3 //
JLS 0:ba94dffa2c21 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 0:ba94dffa2c21 5 //
JLS 0:ba94dffa2c21 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 0:ba94dffa2c21 7 // it under the terms of the GNU General Public License as published by
JLS 0:ba94dffa2c21 8 // the Free Software Foundation, either version 3 of the License, or
JLS 0:ba94dffa2c21 9 // (at your option) any later version.
JLS 0:ba94dffa2c21 10 //
JLS 0:ba94dffa2c21 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 0:ba94dffa2c21 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 0:ba94dffa2c21 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 0:ba94dffa2c21 14 // GNU General Public License for more details.
JLS 0:ba94dffa2c21 15 //
JLS 0:ba94dffa2c21 16 // You should have received a copy of the GNU General Public License
JLS 0:ba94dffa2c21 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 0:ba94dffa2c21 18
JLS 0:ba94dffa2c21 19 #include "mbed.h"
JLS 0:ba94dffa2c21 20 #include "TFT_4DGL.h"
JLS 0:ba94dffa2c21 21
JLS 0:ba94dffa2c21 22 //****************************************************************************************************
JLS 0:ba94dffa2c21 23 void TFT_4DGL :: set_font(char mode) { // set font size
JLS 0:ba94dffa2c21 24 char command[2]= "";
JLS 0:ba94dffa2c21 25
JLS 0:ba94dffa2c21 26 int w, h, fx = 8, fy = 8;
JLS 0:ba94dffa2c21 27
JLS 0:ba94dffa2c21 28 command[0] = SETFONT;
JLS 0:ba94dffa2c21 29 command[1] = mode;
JLS 0:ba94dffa2c21 30
JLS 0:ba94dffa2c21 31 current_font = mode;
JLS 0:ba94dffa2c21 32
JLS 0:ba94dffa2c21 33 if (current_orientation == IS_PORTRAIT) {
JLS 0:ba94dffa2c21 34 w = SIZE_X;
JLS 0:ba94dffa2c21 35 h = SIZE_Y;
JLS 0:ba94dffa2c21 36 } else {
JLS 0:ba94dffa2c21 37 w = SIZE_Y;
JLS 0:ba94dffa2c21 38 h = SIZE_X;
JLS 0:ba94dffa2c21 39 }
JLS 0:ba94dffa2c21 40
JLS 0:ba94dffa2c21 41 switch (mode) {
JLS 0:ba94dffa2c21 42 case FONT_5X7 :
JLS 0:ba94dffa2c21 43 fx = 6;
JLS 0:ba94dffa2c21 44 fy = 8;
JLS 0:ba94dffa2c21 45 break;
JLS 0:ba94dffa2c21 46 case FONT_8X8 :
JLS 0:ba94dffa2c21 47 fx = 8;
JLS 0:ba94dffa2c21 48 fy = 8;
JLS 0:ba94dffa2c21 49 break;
JLS 0:ba94dffa2c21 50 case FONT_8X12 :
JLS 0:ba94dffa2c21 51 fx = 8;
JLS 0:ba94dffa2c21 52 fy = 12;
JLS 0:ba94dffa2c21 53 break;
JLS 0:ba94dffa2c21 54 case FONT_12X16 :
JLS 0:ba94dffa2c21 55 fx = 12;
JLS 0:ba94dffa2c21 56 fy = 16;
JLS 0:ba94dffa2c21 57 break;
JLS 0:ba94dffa2c21 58 }
JLS 0:ba94dffa2c21 59
JLS 0:ba94dffa2c21 60 max_col = w / fx;
JLS 0:ba94dffa2c21 61 max_row = h / fy;
JLS 0:ba94dffa2c21 62
JLS 0:ba94dffa2c21 63 writeCOMMAND(command, 2);
JLS 0:ba94dffa2c21 64 }
JLS 0:ba94dffa2c21 65
JLS 0:ba94dffa2c21 66 //****************************************************************************************************
JLS 0:ba94dffa2c21 67 void TFT_4DGL :: text_mode(char mode) { // set text mode
JLS 0:ba94dffa2c21 68 char command[2]= "";
JLS 0:ba94dffa2c21 69
JLS 0:ba94dffa2c21 70 command[0] = TEXTMODE;
JLS 0:ba94dffa2c21 71 command[1] = mode;
JLS 0:ba94dffa2c21 72
JLS 0:ba94dffa2c21 73 writeCOMMAND(command, 2);
JLS 0:ba94dffa2c21 74 }
JLS 0:ba94dffa2c21 75
JLS 0:ba94dffa2c21 76 //****************************************************************************************************
JLS 0:ba94dffa2c21 77 void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
JLS 0:ba94dffa2c21 78 char command[6]= "";
JLS 0:ba94dffa2c21 79
JLS 0:ba94dffa2c21 80 command[0] = TEXTCHAR;
JLS 0:ba94dffa2c21 81
JLS 0:ba94dffa2c21 82 command[1] = c;
JLS 0:ba94dffa2c21 83 command[2] = col;
JLS 0:ba94dffa2c21 84 command[3] = row;
JLS 0:ba94dffa2c21 85
JLS 0:ba94dffa2c21 86 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:ba94dffa2c21 87 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:ba94dffa2c21 88 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:ba94dffa2c21 89
JLS 0:ba94dffa2c21 90 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:ba94dffa2c21 91 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:ba94dffa2c21 92
JLS 0:ba94dffa2c21 93 writeCOMMAND(command, 8);
JLS 0:ba94dffa2c21 94 }
JLS 0:ba94dffa2c21 95
JLS 0:ba94dffa2c21 96 //****************************************************************************************************
JLS 0:ba94dffa2c21 97 void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
JLS 0:ba94dffa2c21 98 char command[10]= "";
JLS 0:ba94dffa2c21 99
JLS 0:ba94dffa2c21 100 command[0] = GRAPHCHAR;
JLS 0:ba94dffa2c21 101
JLS 0:ba94dffa2c21 102 command[1] = c;
JLS 0:ba94dffa2c21 103
JLS 0:ba94dffa2c21 104 command[2] = (x >> 8) & 0xFF;
JLS 0:ba94dffa2c21 105 command[3] = x & 0xFF;
JLS 0:ba94dffa2c21 106
JLS 0:ba94dffa2c21 107 command[4] = (y >> 8) & 0xFF;
JLS 0:ba94dffa2c21 108 command[5] = y & 0xFF;
JLS 0:ba94dffa2c21 109
JLS 0:ba94dffa2c21 110 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:ba94dffa2c21 111 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:ba94dffa2c21 112 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:ba94dffa2c21 113
JLS 0:ba94dffa2c21 114 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:ba94dffa2c21 115 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:ba94dffa2c21 116
JLS 0:ba94dffa2c21 117 command[8] = width;
JLS 0:ba94dffa2c21 118
JLS 0:ba94dffa2c21 119 command[9] = height;
JLS 0:ba94dffa2c21 120
JLS 0:ba94dffa2c21 121 writeCOMMAND(command, 10);
JLS 0:ba94dffa2c21 122 }
JLS 0:ba94dffa2c21 123
JLS 0:ba94dffa2c21 124 //****************************************************************************************************
JLS 0:ba94dffa2c21 125 void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
JLS 0:ba94dffa2c21 126
JLS 0:ba94dffa2c21 127 char command[1000]= "";
JLS 0:ba94dffa2c21 128 int size = strlen(s);
JLS 0:ba94dffa2c21 129 int i = 0;
JLS 0:ba94dffa2c21 130
JLS 0:ba94dffa2c21 131 command[0] = TEXTSTRING;
JLS 0:ba94dffa2c21 132
JLS 0:ba94dffa2c21 133 command[1] = col;
JLS 0:ba94dffa2c21 134 command[2] = row;
JLS 0:ba94dffa2c21 135
JLS 0:ba94dffa2c21 136 command[3] = font;
JLS 0:ba94dffa2c21 137
JLS 0:ba94dffa2c21 138 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:ba94dffa2c21 139 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:ba94dffa2c21 140 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:ba94dffa2c21 141
JLS 0:ba94dffa2c21 142 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:ba94dffa2c21 143 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:ba94dffa2c21 144
JLS 0:ba94dffa2c21 145 for (i=0; i<size; i++) command[6+i] = s[i];
JLS 0:ba94dffa2c21 146
JLS 0:ba94dffa2c21 147 command[6+size] = 0;
JLS 0:ba94dffa2c21 148
JLS 0:ba94dffa2c21 149 writeCOMMAND(command, 7 + size);
JLS 0:ba94dffa2c21 150 }
JLS 0:ba94dffa2c21 151
JLS 0:ba94dffa2c21 152 //****************************************************************************************************
JLS 0:ba94dffa2c21 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:ba94dffa2c21 154
JLS 0:ba94dffa2c21 155 char command[1000]= "";
JLS 0:ba94dffa2c21 156 int size = strlen(s);
JLS 0:ba94dffa2c21 157 int i = 0;
JLS 0:ba94dffa2c21 158
JLS 0:ba94dffa2c21 159 command[0] = GRAPHSTRING;
JLS 0:ba94dffa2c21 160
JLS 0:ba94dffa2c21 161 command[1] = (x >> 8) & 0xFF;
JLS 0:ba94dffa2c21 162 command[2] = x & 0xFF;
JLS 0:ba94dffa2c21 163
JLS 0:ba94dffa2c21 164 command[3] = (y >> 8) & 0xFF;
JLS 0:ba94dffa2c21 165 command[4] = y & 0xFF;
JLS 0:ba94dffa2c21 166
JLS 0:ba94dffa2c21 167 command[5] = font;
JLS 0:ba94dffa2c21 168
JLS 0:ba94dffa2c21 169 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:ba94dffa2c21 170 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:ba94dffa2c21 171 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:ba94dffa2c21 172
JLS 0:ba94dffa2c21 173 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:ba94dffa2c21 174 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:ba94dffa2c21 175
JLS 0:ba94dffa2c21 176 command[8] = width;
JLS 0:ba94dffa2c21 177
JLS 0:ba94dffa2c21 178 command[9] = height;
JLS 0:ba94dffa2c21 179
JLS 0:ba94dffa2c21 180 for (i=0; i<size; i++) command[10+i] = s[i];
JLS 0:ba94dffa2c21 181
JLS 0:ba94dffa2c21 182 command[10+size] = 0;
JLS 0:ba94dffa2c21 183
JLS 0:ba94dffa2c21 184 writeCOMMAND(command, 11 + size);
JLS 0:ba94dffa2c21 185 }
JLS 0:ba94dffa2c21 186
JLS 0:ba94dffa2c21 187 //****************************************************************************************************
JLS 0:ba94dffa2c21 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:ba94dffa2c21 189
JLS 0:ba94dffa2c21 190 char command[1000]= "";
JLS 0:ba94dffa2c21 191 int size = strlen(s);
JLS 0:ba94dffa2c21 192 int i = 0, red5, green6, blue5;
JLS 0:ba94dffa2c21 193
JLS 0:ba94dffa2c21 194 command[0] = TEXTBUTTON;
JLS 0:ba94dffa2c21 195
JLS 0:ba94dffa2c21 196 command[1] = mode;
JLS 0:ba94dffa2c21 197
JLS 0:ba94dffa2c21 198 command[2] = (x >> 8) & 0xFF;
JLS 0:ba94dffa2c21 199 command[3] = x & 0xFF;
JLS 0:ba94dffa2c21 200
JLS 0:ba94dffa2c21 201 command[4] = (y >> 8) & 0xFF;
JLS 0:ba94dffa2c21 202 command[5] = y & 0xFF;
JLS 0:ba94dffa2c21 203
JLS 0:ba94dffa2c21 204 red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:ba94dffa2c21 205 green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:ba94dffa2c21 206 blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:ba94dffa2c21 207
JLS 0:ba94dffa2c21 208 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:ba94dffa2c21 209 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:ba94dffa2c21 210
JLS 0:ba94dffa2c21 211 command[8] = font;
JLS 0:ba94dffa2c21 212
JLS 0:ba94dffa2c21 213 red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:ba94dffa2c21 214 green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:ba94dffa2c21 215 blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:ba94dffa2c21 216
JLS 0:ba94dffa2c21 217 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:ba94dffa2c21 218 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:ba94dffa2c21 219
JLS 0:ba94dffa2c21 220 command[11] = width;
JLS 0:ba94dffa2c21 221
JLS 0:ba94dffa2c21 222 command[12] = height;
JLS 0:ba94dffa2c21 223
JLS 0:ba94dffa2c21 224 for (i=0; i<size; i++) command[13+i] = s[i];
JLS 0:ba94dffa2c21 225
JLS 0:ba94dffa2c21 226 command[13+size] = 0;
JLS 0:ba94dffa2c21 227
JLS 0:ba94dffa2c21 228 writeCOMMAND(command, 14 + size);
JLS 0:ba94dffa2c21 229 }
JLS 0:ba94dffa2c21 230
JLS 0:ba94dffa2c21 231 //****************************************************************************************************
JLS 0:ba94dffa2c21 232 void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
JLS 0:ba94dffa2c21 233 current_col = col;
JLS 0:ba94dffa2c21 234 current_row = row;
JLS 0:ba94dffa2c21 235 }
JLS 0:ba94dffa2c21 236
JLS 0:ba94dffa2c21 237 //****************************************************************************************************
JLS 0:ba94dffa2c21 238 void TFT_4DGL :: color(int color) { // set text color
JLS 0:ba94dffa2c21 239 current_color = color;
JLS 0:ba94dffa2c21 240 }
JLS 0:ba94dffa2c21 241
JLS 0:ba94dffa2c21 242 //****************************************************************************************************
JLS 0:ba94dffa2c21 243 void TFT_4DGL :: putc(char c) { // place char at current cursor position
JLS 0:ba94dffa2c21 244
JLS 0:ba94dffa2c21 245 text_char(c, current_col++, current_row, current_color);
JLS 0:ba94dffa2c21 246
JLS 0:ba94dffa2c21 247 if (current_col == max_col) {
JLS 0:ba94dffa2c21 248 current_col = 0;
JLS 0:ba94dffa2c21 249 current_row++;
JLS 0:ba94dffa2c21 250 }
JLS 0:ba94dffa2c21 251 if (current_row == max_row) {
JLS 0:ba94dffa2c21 252 current_row = 0;
JLS 0:ba94dffa2c21 253 }
JLS 0:ba94dffa2c21 254 }
JLS 0:ba94dffa2c21 255
JLS 0:ba94dffa2c21 256 //****************************************************************************************************
JLS 0:ba94dffa2c21 257 void TFT_4DGL :: puts(char *s) { // place string at current cursor position
JLS 0:ba94dffa2c21 258
JLS 0:ba94dffa2c21 259 text_string(s, current_col, current_row, current_font, current_color);
JLS 0:ba94dffa2c21 260
JLS 0:ba94dffa2c21 261 current_col += strlen(s);
JLS 0:ba94dffa2c21 262
JLS 0:ba94dffa2c21 263 if (current_col >= max_col) {
JLS 0:ba94dffa2c21 264 current_row += current_col / max_col;
JLS 0:ba94dffa2c21 265 current_col %= max_col;
JLS 0:ba94dffa2c21 266 }
JLS 0:ba94dffa2c21 267 if (current_row >= max_row) {
JLS 0:ba94dffa2c21 268 current_row %= max_row;
JLS 0:ba94dffa2c21 269 }
JLS 0:ba94dffa2c21 270 }