Kamil Ondrousek / Mbed 2 deprecated Lorenz-3D

Lorenz 3D map fractal

Dependencies:   mbed

TFT_4DGL_main.cpp@1:bfdf309bb856, 2010-12-26 (annotated)

Committer:
JLS
Date:
Sun Dec 26 19:57:53 2010 +0000
Revision:
1:bfdf309bb856
update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JLS 1:bfdf309bb856 1 //
JLS 1:bfdf309bb856 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 1:bfdf309bb856 3 //
JLS 1:bfdf309bb856 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 1:bfdf309bb856 5 //
JLS 1:bfdf309bb856 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 1:bfdf309bb856 7 // it under the terms of the GNU General Public License as published by
JLS 1:bfdf309bb856 8 // the Free Software Foundation, either version 3 of the License, or
JLS 1:bfdf309bb856 9 // (at your option) any later version.
JLS 1:bfdf309bb856 10 //
JLS 1:bfdf309bb856 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 1:bfdf309bb856 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 1:bfdf309bb856 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 1:bfdf309bb856 14 // GNU General Public License for more details.
JLS 1:bfdf309bb856 15 //
JLS 1:bfdf309bb856 16 // You should have received a copy of the GNU General Public License
JLS 1:bfdf309bb856 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 1:bfdf309bb856 18
JLS 1:bfdf309bb856 19 #include "mbed.h"
JLS 1:bfdf309bb856 20 #include "TFT_4DGL.h"
JLS 1:bfdf309bb856 21
JLS 1:bfdf309bb856 22 Serial pc(USBTX,USBRX);
JLS 1:bfdf309bb856 23 //DigitalOut led1(LED1), led2(LED2);
JLS 1:bfdf309bb856 24
JLS 1:bfdf309bb856 25 //******************************************************************************************************
JLS 1:bfdf309bb856 26 TFT_4DGL :: TFT_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx), _rst(rst) { // Constructor
JLS 1:bfdf309bb856 27
JLS 1:bfdf309bb856 28 #if DEBUGMODE
JLS 1:bfdf309bb856 29 pc.baud(115200);
JLS 1:bfdf309bb856 30
JLS 1:bfdf309bb856 31 pc.printf("\n\n\n");
JLS 1:bfdf309bb856 32 pc.printf("********************\n\r");
JLS 1:bfdf309bb856 33 pc.printf("TFT_4DGL CONSTRUCTOR\n\r");
JLS 1:bfdf309bb856 34 pc.printf("********************\n\r");
JLS 1:bfdf309bb856 35 #endif
JLS 1:bfdf309bb856 36
JLS 1:bfdf309bb856 37 _rst = 1; // put RESET pin to high to start TFT screen
JLS 1:bfdf309bb856 38
JLS 1:bfdf309bb856 39 reset();
JLS 1:bfdf309bb856 40 autobaud(); // send autobaud command
JLS 1:bfdf309bb856 41 baudrate(256000); // set the initial baudrate to 256kbps - fastest supported by uLCD-32PT
JLS 1:bfdf309bb856 42 cls(); // clear screen
JLS 1:bfdf309bb856 43
JLS 1:bfdf309bb856 44 current_col = 0; // initial cursor col
JLS 1:bfdf309bb856 45 current_row = 0; // initial cursor row
JLS 1:bfdf309bb856 46 current_color = WHITE; // initial text color
JLS 1:bfdf309bb856 47 current_orientation = IS_PORTRAIT; // initial screen orientation
JLS 1:bfdf309bb856 48
JLS 1:bfdf309bb856 49 set_font(FONT_5X7); // initial font
JLS 1:bfdf309bb856 50 text_mode(TRANSPARENT); // initial text mode
JLS 1:bfdf309bb856 51 display_control(0x06,0x00); // initial Image control new format
JLS 1:bfdf309bb856 52 }
JLS 1:bfdf309bb856 53
JLS 1:bfdf309bb856 54 //******************************************************************************************************
JLS 1:bfdf309bb856 55 void TFT_4DGL :: writeBYTE(char c) { // send a BYTE command to screen
JLS 1:bfdf309bb856 56
JLS 1:bfdf309bb856 57 _cmd.putc(c);
JLS 1:bfdf309bb856 58
JLS 1:bfdf309bb856 59 #if DEBUGMODE
JLS 1:bfdf309bb856 60 pc.printf(" Char sent : 0x%02X ",c);
JLS 1:bfdf309bb856 61 pc.putc(c);
JLS 1:bfdf309bb856 62 pc.printf(" \n\r");
JLS 1:bfdf309bb856 63 #endif
JLS 1:bfdf309bb856 64
JLS 1:bfdf309bb856 65 }
JLS 1:bfdf309bb856 66
JLS 1:bfdf309bb856 67 //******************************************************************************************************
JLS 1:bfdf309bb856 68 void TFT_4DGL :: freeBUFFER(void) { // Clear serial buffer before writing command
JLS 1:bfdf309bb856 69
JLS 1:bfdf309bb856 70 while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
JLS 1:bfdf309bb856 71 }
JLS 1:bfdf309bb856 72
JLS 1:bfdf309bb856 73 //******************************************************************************************************
JLS 1:bfdf309bb856 74 int TFT_4DGL :: writeCOMMAND(char *command, int number) { // send several BYTES making a command and return an answer
JLS 1:bfdf309bb856 75
JLS 1:bfdf309bb856 76 #if DEBUGMODE
JLS 1:bfdf309bb856 77 pc.printf("\n\r");
JLS 1:bfdf309bb856 78 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 1:bfdf309bb856 79 #endif
JLS 1:bfdf309bb856 80 int i, resp = 0;
JLS 1:bfdf309bb856 81 freeBUFFER();
JLS 1:bfdf309bb856 82
JLS 1:bfdf309bb856 83 for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port
JLS 1:bfdf309bb856 84
JLS 1:bfdf309bb856 85 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 1:bfdf309bb856 86 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS 1:bfdf309bb856 87 switch (resp) {
JLS 1:bfdf309bb856 88 case ACK : // if OK return 1
JLS 1:bfdf309bb856 89 resp = 1;
JLS 1:bfdf309bb856 90 break;
JLS 1:bfdf309bb856 91 case NAK : // if NOK return -1
JLS 1:bfdf309bb856 92 resp = -1;
JLS 1:bfdf309bb856 93 break;
JLS 1:bfdf309bb856 94 default :
JLS 1:bfdf309bb856 95 resp = 0; // else return 0
JLS 1:bfdf309bb856 96 break;
JLS 1:bfdf309bb856 97 }
JLS 1:bfdf309bb856 98 #if DEBUGMODE
JLS 1:bfdf309bb856 99 pc.printf(" Answer received : %d\n\r",resp);
JLS 1:bfdf309bb856 100 #endif
JLS 1:bfdf309bb856 101
JLS 1:bfdf309bb856 102 return resp;
JLS 1:bfdf309bb856 103 }
JLS 1:bfdf309bb856 104
JLS 1:bfdf309bb856 105 //**************************************************************************
JLS 1:bfdf309bb856 106 void TFT_4DGL :: reset() { // Reset Screen
JLS 1:bfdf309bb856 107
JLS 1:bfdf309bb856 108 _rst = 0; // put RESET pin to low
JLS 1:bfdf309bb856 109 wait_ms(TEMPO); // wait a few milliseconds for command reception
JLS 1:bfdf309bb856 110 _rst = 1; // put RESET back to high
JLS 1:bfdf309bb856 111 wait(3); // wait 3s for screen to restart
JLS 1:bfdf309bb856 112
JLS 1:bfdf309bb856 113 freeBUFFER(); // clean buffer from possible garbage
JLS 1:bfdf309bb856 114 }
JLS 1:bfdf309bb856 115
JLS 1:bfdf309bb856 116 //**************************************************************************
JLS 1:bfdf309bb856 117 void TFT_4DGL :: autobaud() { // send AutoBaud command (9600)
JLS 1:bfdf309bb856 118 char command[1] = "";
JLS 1:bfdf309bb856 119 command[0] = AUTOBAUD;
JLS 1:bfdf309bb856 120 writeCOMMAND(command, 1);
JLS 1:bfdf309bb856 121 }
JLS 1:bfdf309bb856 122
JLS 1:bfdf309bb856 123 //**************************************************************************
JLS 1:bfdf309bb856 124 void TFT_4DGL :: cls() { // clear screen
JLS 1:bfdf309bb856 125 char command[1] = "";
JLS 1:bfdf309bb856 126 command[0] = CLS;
JLS 1:bfdf309bb856 127 writeCOMMAND(command, 1);
JLS 1:bfdf309bb856 128 }
JLS 1:bfdf309bb856 129
JLS 1:bfdf309bb856 130 //**************************************************************************
JLS 1:bfdf309bb856 131 void TFT_4DGL :: version() { // get API version
JLS 1:bfdf309bb856 132 char command[2] = "";
JLS 1:bfdf309bb856 133 command[0] = VERSION;
JLS 1:bfdf309bb856 134 command[1] = OFF;
JLS 1:bfdf309bb856 135 readVERSION(command, 2);
JLS 1:bfdf309bb856 136 }
JLS 1:bfdf309bb856 137
JLS 1:bfdf309bb856 138 //**************************************************************************
JLS 1:bfdf309bb856 139 void TFT_4DGL :: baudrate(long speed) { // set screen baud rate
JLS 1:bfdf309bb856 140 char command[2]= "";
JLS 1:bfdf309bb856 141 command[0] = BAUDRATE;
JLS 1:bfdf309bb856 142 switch (speed) {
JLS 1:bfdf309bb856 143 case 110 :
JLS 1:bfdf309bb856 144 command[1] = BAUD_110;
JLS 1:bfdf309bb856 145 break;
JLS 1:bfdf309bb856 146 case 300 :
JLS 1:bfdf309bb856 147 command[1] = BAUD_300;
JLS 1:bfdf309bb856 148 break;
JLS 1:bfdf309bb856 149 case 600 :
JLS 1:bfdf309bb856 150 command[1] = BAUD_600;
JLS 1:bfdf309bb856 151 break;
JLS 1:bfdf309bb856 152 case 1200 :
JLS 1:bfdf309bb856 153 command[1] = BAUD_1200;
JLS 1:bfdf309bb856 154 break;
JLS 1:bfdf309bb856 155 case 2400 :
JLS 1:bfdf309bb856 156 command[1] = BAUD_2400;
JLS 1:bfdf309bb856 157 break;
JLS 1:bfdf309bb856 158 case 4800 :
JLS 1:bfdf309bb856 159 command[1] = BAUD_4800;
JLS 1:bfdf309bb856 160 break;
JLS 1:bfdf309bb856 161 case 9600 :
JLS 1:bfdf309bb856 162 command[1] = BAUD_9600;
JLS 1:bfdf309bb856 163 break;
JLS 1:bfdf309bb856 164 case 14400 :
JLS 1:bfdf309bb856 165 command[1] = BAUD_14400;
JLS 1:bfdf309bb856 166 break;
JLS 1:bfdf309bb856 167 case 19200 :
JLS 1:bfdf309bb856 168 command[1] = BAUD_19200;
JLS 1:bfdf309bb856 169 break;
JLS 1:bfdf309bb856 170 case 31250 :
JLS 1:bfdf309bb856 171 command[1] = BAUD_31250;
JLS 1:bfdf309bb856 172 break;
JLS 1:bfdf309bb856 173 case 38400 :
JLS 1:bfdf309bb856 174 command[1] = BAUD_38400;
JLS 1:bfdf309bb856 175 break;
JLS 1:bfdf309bb856 176 case 56000 :
JLS 1:bfdf309bb856 177 command[1] = BAUD_56000;
JLS 1:bfdf309bb856 178 break;
JLS 1:bfdf309bb856 179 case 57600 :
JLS 1:bfdf309bb856 180 command[1] = BAUD_57600;
JLS 1:bfdf309bb856 181 break;
JLS 1:bfdf309bb856 182 case 115200 :
JLS 1:bfdf309bb856 183 command[1] = BAUD_115200;
JLS 1:bfdf309bb856 184 break;
JLS 1:bfdf309bb856 185 case 128000 :
JLS 1:bfdf309bb856 186 command[1] = BAUD_128000;
JLS 1:bfdf309bb856 187 break;
JLS 1:bfdf309bb856 188 case 256000 :
JLS 1:bfdf309bb856 189 command[1] = BAUD_256000;
JLS 1:bfdf309bb856 190 break;
JLS 1:bfdf309bb856 191 default :
JLS 1:bfdf309bb856 192 command[1] = BAUD_9600;
JLS 1:bfdf309bb856 193 speed = 9600;
JLS 1:bfdf309bb856 194 break;
JLS 1:bfdf309bb856 195 }
JLS 1:bfdf309bb856 196
JLS 1:bfdf309bb856 197 #if DEBUGMODE
JLS 1:bfdf309bb856 198 pc.printf("\n\r");
JLS 1:bfdf309bb856 199 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 1:bfdf309bb856 200 #endif
JLS 1:bfdf309bb856 201
JLS 1:bfdf309bb856 202 int i, resp = 0;
JLS 1:bfdf309bb856 203 freeBUFFER();
JLS 1:bfdf309bb856 204
JLS 1:bfdf309bb856 205 if(speed==256000)
JLS 1:bfdf309bb856 206 speed=281000; //If baud rate is 256K comm at 281k - as instructed by 4DGL
JLS 1:bfdf309bb856 207
JLS 1:bfdf309bb856 208 for (i = 0; i <2; i++) writeBYTE(command[i]); // send command to serial port
JLS 1:bfdf309bb856 209 _cmd.baud(speed); // set mbed to same speed
JLS 1:bfdf309bb856 210
JLS 1:bfdf309bb856 211 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 1:bfdf309bb856 212
JLS 1:bfdf309bb856 213 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS 1:bfdf309bb856 214 switch (resp) {
JLS 1:bfdf309bb856 215 case ACK : // if OK return 1
JLS 1:bfdf309bb856 216 resp = 1;
JLS 1:bfdf309bb856 217 break;
JLS 1:bfdf309bb856 218 case NAK : // if NOK return -1
JLS 1:bfdf309bb856 219 resp = -1;
JLS 1:bfdf309bb856 220 break;
JLS 1:bfdf309bb856 221 default :
JLS 1:bfdf309bb856 222 resp = 0; // else return 0
JLS 1:bfdf309bb856 223 break;
JLS 1:bfdf309bb856 224 }
JLS 1:bfdf309bb856 225 #if DEBUGMODE
JLS 1:bfdf309bb856 226 pc.printf(" Baudrate reply received : %d\n\r",resp);
JLS 1:bfdf309bb856 227 #endif
JLS 1:bfdf309bb856 228 }
JLS 1:bfdf309bb856 229
JLS 1:bfdf309bb856 230 //******************************************************************************************************
JLS 1:bfdf309bb856 231 int TFT_4DGL :: readVERSION(char *command, int number) { // read screen info and populate data
JLS 1:bfdf309bb856 232
JLS 1:bfdf309bb856 233 int i, temp = 0, resp = 0;
JLS 1:bfdf309bb856 234 char response[5] = "";
JLS 1:bfdf309bb856 235
JLS 1:bfdf309bb856 236 freeBUFFER();
JLS 1:bfdf309bb856 237
JLS 1:bfdf309bb856 238 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS 1:bfdf309bb856 239
JLS 1:bfdf309bb856 240 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 1:bfdf309bb856 241
JLS 1:bfdf309bb856 242 while (_cmd.readable()) {
JLS 1:bfdf309bb856 243 temp = _cmd.getc();
JLS 1:bfdf309bb856 244 response[resp++] = (char)temp;
JLS 1:bfdf309bb856 245 }
JLS 1:bfdf309bb856 246 switch (resp) {
JLS 1:bfdf309bb856 247 case 5 : // if OK populate data and return 1
JLS 1:bfdf309bb856 248 type = response[0];
JLS 1:bfdf309bb856 249 revision = response[1];
JLS 1:bfdf309bb856 250 firmware = response[2];
JLS 1:bfdf309bb856 251 reserved1 = response[3];
JLS 1:bfdf309bb856 252 reserved2 = response[4];
JLS 1:bfdf309bb856 253 resp = 1;
JLS 1:bfdf309bb856 254 break;
JLS 1:bfdf309bb856 255 default :
JLS 1:bfdf309bb856 256 resp = 0; // else return 0
JLS 1:bfdf309bb856 257 break;
JLS 1:bfdf309bb856 258 }
JLS 1:bfdf309bb856 259 return resp;
JLS 1:bfdf309bb856 260 }
JLS 1:bfdf309bb856 261
JLS 1:bfdf309bb856 262 //****************************************************************************************************
JLS 1:bfdf309bb856 263 void TFT_4DGL :: background_color(int color) { // set screen background color
JLS 1:bfdf309bb856 264 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
JLS 1:bfdf309bb856 265
JLS 1:bfdf309bb856 266 command[0] = BCKGDCOLOR;
JLS 1:bfdf309bb856 267
JLS 1:bfdf309bb856 268 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:bfdf309bb856 269 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:bfdf309bb856 270 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:bfdf309bb856 271
JLS 1:bfdf309bb856 272 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:bfdf309bb856 273 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:bfdf309bb856 274
JLS 1:bfdf309bb856 275 writeCOMMAND(command, 3);
JLS 1:bfdf309bb856 276 }
JLS 1:bfdf309bb856 277
JLS 1:bfdf309bb856 278 //****************************************************************************************************
JLS 1:bfdf309bb856 279 void TFT_4DGL :: display_control(char mode, char value) { // set screen mode to value
JLS 1:bfdf309bb856 280 char command[3]= "";
JLS 1:bfdf309bb856 281
JLS 1:bfdf309bb856 282 command[0] = DISPCONTROL;
JLS 1:bfdf309bb856 283 command[1] = mode;
JLS 1:bfdf309bb856 284 command[2] = value;
JLS 1:bfdf309bb856 285
JLS 1:bfdf309bb856 286 if (mode == ORIENTATION) {
JLS 1:bfdf309bb856 287 switch (value) {
JLS 1:bfdf309bb856 288 case LANDSCAPE :
JLS 1:bfdf309bb856 289 current_orientation = IS_LANDSCAPE;
JLS 1:bfdf309bb856 290 break;
JLS 1:bfdf309bb856 291 case LANDSCAPE_R :
JLS 1:bfdf309bb856 292 current_orientation = IS_LANDSCAPE;
JLS 1:bfdf309bb856 293 break;
JLS 1:bfdf309bb856 294 case PORTRAIT :
JLS 1:bfdf309bb856 295 current_orientation = IS_PORTRAIT;
JLS 1:bfdf309bb856 296 break;
JLS 1:bfdf309bb856 297 case PORTRAIT_R :
JLS 1:bfdf309bb856 298 current_orientation = IS_PORTRAIT;
JLS 1:bfdf309bb856 299 break;
JLS 1:bfdf309bb856 300 }
JLS 1:bfdf309bb856 301 set_font(current_font);
JLS 1:bfdf309bb856 302 }
JLS 1:bfdf309bb856 303 writeCOMMAND(command, 3);
JLS 1:bfdf309bb856 304
JLS 1:bfdf309bb856 305 }
JLS 1:bfdf309bb856 306
JLS 1:bfdf309bb856 307 //****************************************************************************************************
JLS 1:bfdf309bb856 308 void TFT_4DGL :: set_volume(char value) { // set sound volume to value
JLS 1:bfdf309bb856 309 char command[2]= "";
JLS 1:bfdf309bb856 310
JLS 1:bfdf309bb856 311 command[0] = SETVOLUME;
JLS 1:bfdf309bb856 312 command[1] = value;
JLS 1:bfdf309bb856 313
JLS 1:bfdf309bb856 314 writeCOMMAND(command, 2);
JLS 1:bfdf309bb856 315 }
JLS 1:bfdf309bb856 316
JLS 1:bfdf309bb856 317
JLS 1:bfdf309bb856 318 //******************************************************************************************************
JLS 1:bfdf309bb856 319 void TFT_4DGL :: getTOUCH(char *command, int number, int *x, int *y) { // read screen info and populate data
JLS 1:bfdf309bb856 320
JLS 1:bfdf309bb856 321 #if DEBUGMODE
JLS 1:bfdf309bb856 322 pc.printf("\n\r");
JLS 1:bfdf309bb856 323 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 1:bfdf309bb856 324 #endif
JLS 1:bfdf309bb856 325 int i, temp = 0, resp = 0;
JLS 1:bfdf309bb856 326 char response[5] = "";
JLS 1:bfdf309bb856 327
JLS 1:bfdf309bb856 328 freeBUFFER();
JLS 1:bfdf309bb856 329
JLS 1:bfdf309bb856 330 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS 1:bfdf309bb856 331
JLS 1:bfdf309bb856 332 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 1:bfdf309bb856 333
JLS 1:bfdf309bb856 334 while (_cmd.readable()) {
JLS 1:bfdf309bb856 335 temp = _cmd.getc();
JLS 1:bfdf309bb856 336 response[resp++] = (char)temp;
JLS 1:bfdf309bb856 337 }
JLS 1:bfdf309bb856 338
JLS 1:bfdf309bb856 339 #if DEBUGMODE
JLS 1:bfdf309bb856 340 pc.printf(" Answer received %d : 0x%02X 0x%02X 0x%02X 0x%02X\n\r", resp, response[0], response[1], response[2], response[3]);
JLS 1:bfdf309bb856 341 #endif
JLS 1:bfdf309bb856 342
JLS 1:bfdf309bb856 343 switch (resp) {
JLS 1:bfdf309bb856 344 case 4 : // if OK populate data
JLS 1:bfdf309bb856 345 *x = ((response[0]<<8)+ response[1]) * (response[0] != 0xFF);
JLS 1:bfdf309bb856 346 *y = ((response[2]<<8)+ response[3]) * (response[2] != 0xFF);
JLS 1:bfdf309bb856 347 break;
JLS 1:bfdf309bb856 348 default :
JLS 1:bfdf309bb856 349 *x = -1;
JLS 1:bfdf309bb856 350 *y = -1;
JLS 1:bfdf309bb856 351 break;
JLS 1:bfdf309bb856 352 }
JLS 1:bfdf309bb856 353
JLS 1:bfdf309bb856 354 #if DEBUGMODE
JLS 1:bfdf309bb856 355 pc.printf(" X,Y : %03d,%03d\n\r", *x, *y);
JLS 1:bfdf309bb856 356 #endif
JLS 1:bfdf309bb856 357 }
JLS 1:bfdf309bb856 358
JLS 1:bfdf309bb856 359 //******************************************************************************************************
JLS 1:bfdf309bb856 360 int TFT_4DGL :: getSTATUS(char *command, int number) { // read screen info and populate data
JLS 1:bfdf309bb856 361
JLS 1:bfdf309bb856 362 #if DEBUGMODE
JLS 1:bfdf309bb856 363 pc.printf("\n\r");
JLS 1:bfdf309bb856 364 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 1:bfdf309bb856 365 #endif
JLS 1:bfdf309bb856 366
JLS 1:bfdf309bb856 367 int i, temp = 0, resp = 0;
JLS 1:bfdf309bb856 368 char response[5] = "";
JLS 1:bfdf309bb856 369
JLS 1:bfdf309bb856 370 freeBUFFER();
JLS 1:bfdf309bb856 371
JLS 1:bfdf309bb856 372 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS 1:bfdf309bb856 373
JLS 1:bfdf309bb856 374 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 1:bfdf309bb856 375
JLS 1:bfdf309bb856 376 while (_cmd.readable()) {
JLS 1:bfdf309bb856 377 temp = _cmd.getc();
JLS 1:bfdf309bb856 378 response[resp++] = (char)temp;
JLS 1:bfdf309bb856 379 }
JLS 1:bfdf309bb856 380 switch (resp) {
JLS 1:bfdf309bb856 381 case 4 :
JLS 1:bfdf309bb856 382 resp = (int)response[1]; // if OK populate data
JLS 1:bfdf309bb856 383 break;
JLS 1:bfdf309bb856 384 default :
JLS 1:bfdf309bb856 385 resp = -1; // else return 0
JLS 1:bfdf309bb856 386 break;
JLS 1:bfdf309bb856 387 }
JLS 1:bfdf309bb856 388
JLS 1:bfdf309bb856 389 #if DEBUGMODE
JLS 1:bfdf309bb856 390 pc.printf(" Answer received : %d\n\r", resp);
JLS 1:bfdf309bb856 391 #endif
JLS 1:bfdf309bb856 392
JLS 1:bfdf309bb856 393 return resp;
JLS 1:bfdf309bb856 394 }