Kamil Ondrousek / Mbed 2 deprecated Quadratic

Dependencies:   mbed

Committer:
JLS
Date:
Mon Jan 03 21:35:33 2011 +0000
Revision:
0:c2992d2f3c66

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JLS 0:c2992d2f3c66 1 //
JLS 0:c2992d2f3c66 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 0:c2992d2f3c66 3 //
JLS 0:c2992d2f3c66 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 0:c2992d2f3c66 5 //
JLS 0:c2992d2f3c66 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 0:c2992d2f3c66 7 // it under the terms of the GNU General Public License as published by
JLS 0:c2992d2f3c66 8 // the Free Software Foundation, either version 3 of the License, or
JLS 0:c2992d2f3c66 9 // (at your option) any later version.
JLS 0:c2992d2f3c66 10 //
JLS 0:c2992d2f3c66 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 0:c2992d2f3c66 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 0:c2992d2f3c66 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 0:c2992d2f3c66 14 // GNU General Public License for more details.
JLS 0:c2992d2f3c66 15 //
JLS 0:c2992d2f3c66 16 // You should have received a copy of the GNU General Public License
JLS 0:c2992d2f3c66 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 0:c2992d2f3c66 18
JLS 0:c2992d2f3c66 19 #include "mbed.h"
JLS 0:c2992d2f3c66 20 #include "TFT_4DGL.h"
JLS 0:c2992d2f3c66 21
JLS 0:c2992d2f3c66 22 Serial pc(USBTX,USBRX);
JLS 0:c2992d2f3c66 23 //DigitalOut led1(LED1), led2(LED2);
JLS 0:c2992d2f3c66 24
JLS 0:c2992d2f3c66 25 //******************************************************************************************************
JLS 0:c2992d2f3c66 26 TFT_4DGL :: TFT_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx), _rst(rst) { // Constructor
JLS 0:c2992d2f3c66 27
JLS 0:c2992d2f3c66 28 #if DEBUGMODE
JLS 0:c2992d2f3c66 29 pc.baud(115200);
JLS 0:c2992d2f3c66 30
JLS 0:c2992d2f3c66 31 pc.printf("\n\n\n");
JLS 0:c2992d2f3c66 32 pc.printf("********************\n\r");
JLS 0:c2992d2f3c66 33 pc.printf("TFT_4DGL CONSTRUCTOR\n\r");
JLS 0:c2992d2f3c66 34 pc.printf("********************\n\r");
JLS 0:c2992d2f3c66 35 #endif
JLS 0:c2992d2f3c66 36
JLS 0:c2992d2f3c66 37 _rst = 1; // put RESET pin to high to start TFT screen
JLS 0:c2992d2f3c66 38
JLS 0:c2992d2f3c66 39 reset();
JLS 0:c2992d2f3c66 40 autobaud(); // send autobaud command
JLS 0:c2992d2f3c66 41 baudrate(256000); // set the initial baudrate to 256kbps - fastest supported by uLCD-32PT
JLS 0:c2992d2f3c66 42 cls(); // clear screen
JLS 0:c2992d2f3c66 43
JLS 0:c2992d2f3c66 44 current_col = 0; // initial cursor col
JLS 0:c2992d2f3c66 45 current_row = 0; // initial cursor row
JLS 0:c2992d2f3c66 46 current_color = WHITE; // initial text color
JLS 0:c2992d2f3c66 47 current_orientation = IS_PORTRAIT; // initial screen orientation
JLS 0:c2992d2f3c66 48
JLS 0:c2992d2f3c66 49 set_font(FONT_5X7); // initial font
JLS 0:c2992d2f3c66 50 text_mode(TRANSPARENT); // initial text mode
JLS 0:c2992d2f3c66 51 display_control(0x06,0x00); // initial Image control new format
JLS 0:c2992d2f3c66 52 }
JLS 0:c2992d2f3c66 53
JLS 0:c2992d2f3c66 54 //******************************************************************************************************
JLS 0:c2992d2f3c66 55 void TFT_4DGL :: writeBYTE(char c) { // send a BYTE command to screen
JLS 0:c2992d2f3c66 56
JLS 0:c2992d2f3c66 57 _cmd.putc(c);
JLS 0:c2992d2f3c66 58
JLS 0:c2992d2f3c66 59 #if DEBUGMODE
JLS 0:c2992d2f3c66 60 pc.printf(" Char sent : 0x%02X ",c);
JLS 0:c2992d2f3c66 61 pc.putc(c);
JLS 0:c2992d2f3c66 62 pc.printf(" \n\r");
JLS 0:c2992d2f3c66 63 #endif
JLS 0:c2992d2f3c66 64
JLS 0:c2992d2f3c66 65 }
JLS 0:c2992d2f3c66 66
JLS 0:c2992d2f3c66 67 //******************************************************************************************************
JLS 0:c2992d2f3c66 68 void TFT_4DGL :: freeBUFFER(void) { // Clear serial buffer before writing command
JLS 0:c2992d2f3c66 69
JLS 0:c2992d2f3c66 70 while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
JLS 0:c2992d2f3c66 71 }
JLS 0:c2992d2f3c66 72
JLS 0:c2992d2f3c66 73 //******************************************************************************************************
JLS 0:c2992d2f3c66 74 int TFT_4DGL :: writeCOMMAND(char *command, int number) { // send several BYTES making a command and return an answer
JLS 0:c2992d2f3c66 75
JLS 0:c2992d2f3c66 76 #if DEBUGMODE
JLS 0:c2992d2f3c66 77 pc.printf("\n\r");
JLS 0:c2992d2f3c66 78 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 0:c2992d2f3c66 79 #endif
JLS 0:c2992d2f3c66 80 int i, resp = 0;
JLS 0:c2992d2f3c66 81 freeBUFFER();
JLS 0:c2992d2f3c66 82
JLS 0:c2992d2f3c66 83 for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port
JLS 0:c2992d2f3c66 84
JLS 0:c2992d2f3c66 85 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 0:c2992d2f3c66 86 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS 0:c2992d2f3c66 87 switch (resp) {
JLS 0:c2992d2f3c66 88 case ACK : // if OK return 1
JLS 0:c2992d2f3c66 89 resp = 1;
JLS 0:c2992d2f3c66 90 break;
JLS 0:c2992d2f3c66 91 case NAK : // if NOK return -1
JLS 0:c2992d2f3c66 92 resp = -1;
JLS 0:c2992d2f3c66 93 break;
JLS 0:c2992d2f3c66 94 default :
JLS 0:c2992d2f3c66 95 resp = 0; // else return 0
JLS 0:c2992d2f3c66 96 break;
JLS 0:c2992d2f3c66 97 }
JLS 0:c2992d2f3c66 98 #if DEBUGMODE
JLS 0:c2992d2f3c66 99 pc.printf(" Answer received : %d\n\r",resp);
JLS 0:c2992d2f3c66 100 #endif
JLS 0:c2992d2f3c66 101
JLS 0:c2992d2f3c66 102 return resp;
JLS 0:c2992d2f3c66 103 }
JLS 0:c2992d2f3c66 104
JLS 0:c2992d2f3c66 105 //**************************************************************************
JLS 0:c2992d2f3c66 106 void TFT_4DGL :: reset() { // Reset Screen
JLS 0:c2992d2f3c66 107
JLS 0:c2992d2f3c66 108 _rst = 0; // put RESET pin to low
JLS 0:c2992d2f3c66 109 wait_ms(TEMPO); // wait a few milliseconds for command reception
JLS 0:c2992d2f3c66 110 _rst = 1; // put RESET back to high
JLS 0:c2992d2f3c66 111 wait(3); // wait 3s for screen to restart
JLS 0:c2992d2f3c66 112
JLS 0:c2992d2f3c66 113 freeBUFFER(); // clean buffer from possible garbage
JLS 0:c2992d2f3c66 114 }
JLS 0:c2992d2f3c66 115
JLS 0:c2992d2f3c66 116 //**************************************************************************
JLS 0:c2992d2f3c66 117 void TFT_4DGL :: autobaud() { // send AutoBaud command (9600)
JLS 0:c2992d2f3c66 118 char command[1] = "";
JLS 0:c2992d2f3c66 119 command[0] = AUTOBAUD;
JLS 0:c2992d2f3c66 120 writeCOMMAND(command, 1);
JLS 0:c2992d2f3c66 121 }
JLS 0:c2992d2f3c66 122
JLS 0:c2992d2f3c66 123 //**************************************************************************
JLS 0:c2992d2f3c66 124 void TFT_4DGL :: cls() { // clear screen
JLS 0:c2992d2f3c66 125 char command[1] = "";
JLS 0:c2992d2f3c66 126 command[0] = CLS;
JLS 0:c2992d2f3c66 127 writeCOMMAND(command, 1);
JLS 0:c2992d2f3c66 128 }
JLS 0:c2992d2f3c66 129
JLS 0:c2992d2f3c66 130 //**************************************************************************
JLS 0:c2992d2f3c66 131 void TFT_4DGL :: version() { // get API version
JLS 0:c2992d2f3c66 132 char command[2] = "";
JLS 0:c2992d2f3c66 133 command[0] = VERSION;
JLS 0:c2992d2f3c66 134 command[1] = OFF;
JLS 0:c2992d2f3c66 135 readVERSION(command, 2);
JLS 0:c2992d2f3c66 136 }
JLS 0:c2992d2f3c66 137
JLS 0:c2992d2f3c66 138 //**************************************************************************
JLS 0:c2992d2f3c66 139 void TFT_4DGL :: baudrate(long speed) { // set screen baud rate
JLS 0:c2992d2f3c66 140 char command[2]= "";
JLS 0:c2992d2f3c66 141 command[0] = BAUDRATE;
JLS 0:c2992d2f3c66 142 switch (speed) {
JLS 0:c2992d2f3c66 143 case 110 :
JLS 0:c2992d2f3c66 144 command[1] = BAUD_110;
JLS 0:c2992d2f3c66 145 break;
JLS 0:c2992d2f3c66 146 case 300 :
JLS 0:c2992d2f3c66 147 command[1] = BAUD_300;
JLS 0:c2992d2f3c66 148 break;
JLS 0:c2992d2f3c66 149 case 600 :
JLS 0:c2992d2f3c66 150 command[1] = BAUD_600;
JLS 0:c2992d2f3c66 151 break;
JLS 0:c2992d2f3c66 152 case 1200 :
JLS 0:c2992d2f3c66 153 command[1] = BAUD_1200;
JLS 0:c2992d2f3c66 154 break;
JLS 0:c2992d2f3c66 155 case 2400 :
JLS 0:c2992d2f3c66 156 command[1] = BAUD_2400;
JLS 0:c2992d2f3c66 157 break;
JLS 0:c2992d2f3c66 158 case 4800 :
JLS 0:c2992d2f3c66 159 command[1] = BAUD_4800;
JLS 0:c2992d2f3c66 160 break;
JLS 0:c2992d2f3c66 161 case 9600 :
JLS 0:c2992d2f3c66 162 command[1] = BAUD_9600;
JLS 0:c2992d2f3c66 163 break;
JLS 0:c2992d2f3c66 164 case 14400 :
JLS 0:c2992d2f3c66 165 command[1] = BAUD_14400;
JLS 0:c2992d2f3c66 166 break;
JLS 0:c2992d2f3c66 167 case 19200 :
JLS 0:c2992d2f3c66 168 command[1] = BAUD_19200;
JLS 0:c2992d2f3c66 169 break;
JLS 0:c2992d2f3c66 170 case 31250 :
JLS 0:c2992d2f3c66 171 command[1] = BAUD_31250;
JLS 0:c2992d2f3c66 172 break;
JLS 0:c2992d2f3c66 173 case 38400 :
JLS 0:c2992d2f3c66 174 command[1] = BAUD_38400;
JLS 0:c2992d2f3c66 175 break;
JLS 0:c2992d2f3c66 176 case 56000 :
JLS 0:c2992d2f3c66 177 command[1] = BAUD_56000;
JLS 0:c2992d2f3c66 178 break;
JLS 0:c2992d2f3c66 179 case 57600 :
JLS 0:c2992d2f3c66 180 command[1] = BAUD_57600;
JLS 0:c2992d2f3c66 181 break;
JLS 0:c2992d2f3c66 182 case 115200 :
JLS 0:c2992d2f3c66 183 command[1] = BAUD_115200;
JLS 0:c2992d2f3c66 184 break;
JLS 0:c2992d2f3c66 185 case 128000 :
JLS 0:c2992d2f3c66 186 command[1] = BAUD_128000;
JLS 0:c2992d2f3c66 187 break;
JLS 0:c2992d2f3c66 188 case 256000 :
JLS 0:c2992d2f3c66 189 command[1] = BAUD_256000;
JLS 0:c2992d2f3c66 190 break;
JLS 0:c2992d2f3c66 191 default :
JLS 0:c2992d2f3c66 192 command[1] = BAUD_9600;
JLS 0:c2992d2f3c66 193 speed = 9600;
JLS 0:c2992d2f3c66 194 break;
JLS 0:c2992d2f3c66 195 }
JLS 0:c2992d2f3c66 196
JLS 0:c2992d2f3c66 197 #if DEBUGMODE
JLS 0:c2992d2f3c66 198 pc.printf("\n\r");
JLS 0:c2992d2f3c66 199 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 0:c2992d2f3c66 200 #endif
JLS 0:c2992d2f3c66 201
JLS 0:c2992d2f3c66 202 int i, resp = 0;
JLS 0:c2992d2f3c66 203 freeBUFFER();
JLS 0:c2992d2f3c66 204
JLS 0:c2992d2f3c66 205 if(speed==256000)
JLS 0:c2992d2f3c66 206 speed=281000; //If baud rate is 256K comm at 281k - as instructed by 4DGL
JLS 0:c2992d2f3c66 207
JLS 0:c2992d2f3c66 208 for (i = 0; i <2; i++) writeBYTE(command[i]); // send command to serial port
JLS 0:c2992d2f3c66 209 _cmd.baud(speed); // set mbed to same speed
JLS 0:c2992d2f3c66 210
JLS 0:c2992d2f3c66 211 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 0:c2992d2f3c66 212
JLS 0:c2992d2f3c66 213 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
JLS 0:c2992d2f3c66 214 switch (resp) {
JLS 0:c2992d2f3c66 215 case ACK : // if OK return 1
JLS 0:c2992d2f3c66 216 resp = 1;
JLS 0:c2992d2f3c66 217 break;
JLS 0:c2992d2f3c66 218 case NAK : // if NOK return -1
JLS 0:c2992d2f3c66 219 resp = -1;
JLS 0:c2992d2f3c66 220 break;
JLS 0:c2992d2f3c66 221 default :
JLS 0:c2992d2f3c66 222 resp = 0; // else return 0
JLS 0:c2992d2f3c66 223 break;
JLS 0:c2992d2f3c66 224 }
JLS 0:c2992d2f3c66 225 #if DEBUGMODE
JLS 0:c2992d2f3c66 226 pc.printf(" Baudrate reply received : %d\n\r",resp);
JLS 0:c2992d2f3c66 227 #endif
JLS 0:c2992d2f3c66 228 }
JLS 0:c2992d2f3c66 229
JLS 0:c2992d2f3c66 230 //******************************************************************************************************
JLS 0:c2992d2f3c66 231 int TFT_4DGL :: readVERSION(char *command, int number) { // read screen info and populate data
JLS 0:c2992d2f3c66 232
JLS 0:c2992d2f3c66 233 int i, temp = 0, resp = 0;
JLS 0:c2992d2f3c66 234 char response[5] = "";
JLS 0:c2992d2f3c66 235
JLS 0:c2992d2f3c66 236 freeBUFFER();
JLS 0:c2992d2f3c66 237
JLS 0:c2992d2f3c66 238 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS 0:c2992d2f3c66 239
JLS 0:c2992d2f3c66 240 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 0:c2992d2f3c66 241
JLS 0:c2992d2f3c66 242 while (_cmd.readable()) {
JLS 0:c2992d2f3c66 243 temp = _cmd.getc();
JLS 0:c2992d2f3c66 244 response[resp++] = (char)temp;
JLS 0:c2992d2f3c66 245 }
JLS 0:c2992d2f3c66 246 switch (resp) {
JLS 0:c2992d2f3c66 247 case 5 : // if OK populate data and return 1
JLS 0:c2992d2f3c66 248 type = response[0];
JLS 0:c2992d2f3c66 249 revision = response[1];
JLS 0:c2992d2f3c66 250 firmware = response[2];
JLS 0:c2992d2f3c66 251 reserved1 = response[3];
JLS 0:c2992d2f3c66 252 reserved2 = response[4];
JLS 0:c2992d2f3c66 253 resp = 1;
JLS 0:c2992d2f3c66 254 break;
JLS 0:c2992d2f3c66 255 default :
JLS 0:c2992d2f3c66 256 resp = 0; // else return 0
JLS 0:c2992d2f3c66 257 break;
JLS 0:c2992d2f3c66 258 }
JLS 0:c2992d2f3c66 259 return resp;
JLS 0:c2992d2f3c66 260 }
JLS 0:c2992d2f3c66 261
JLS 0:c2992d2f3c66 262 //****************************************************************************************************
JLS 0:c2992d2f3c66 263 void TFT_4DGL :: background_color(int color) { // set screen background color
JLS 0:c2992d2f3c66 264 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
JLS 0:c2992d2f3c66 265
JLS 0:c2992d2f3c66 266 command[0] = BCKGDCOLOR;
JLS 0:c2992d2f3c66 267
JLS 0:c2992d2f3c66 268 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:c2992d2f3c66 269 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:c2992d2f3c66 270 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:c2992d2f3c66 271
JLS 0:c2992d2f3c66 272 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:c2992d2f3c66 273 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:c2992d2f3c66 274
JLS 0:c2992d2f3c66 275 writeCOMMAND(command, 3);
JLS 0:c2992d2f3c66 276 }
JLS 0:c2992d2f3c66 277
JLS 0:c2992d2f3c66 278 //****************************************************************************************************
JLS 0:c2992d2f3c66 279 void TFT_4DGL :: display_control(char mode, char value) { // set screen mode to value
JLS 0:c2992d2f3c66 280 char command[3]= "";
JLS 0:c2992d2f3c66 281
JLS 0:c2992d2f3c66 282 command[0] = DISPCONTROL;
JLS 0:c2992d2f3c66 283 command[1] = mode;
JLS 0:c2992d2f3c66 284 command[2] = value;
JLS 0:c2992d2f3c66 285
JLS 0:c2992d2f3c66 286 if (mode == ORIENTATION) {
JLS 0:c2992d2f3c66 287 switch (value) {
JLS 0:c2992d2f3c66 288 case LANDSCAPE :
JLS 0:c2992d2f3c66 289 current_orientation = IS_LANDSCAPE;
JLS 0:c2992d2f3c66 290 break;
JLS 0:c2992d2f3c66 291 case LANDSCAPE_R :
JLS 0:c2992d2f3c66 292 current_orientation = IS_LANDSCAPE;
JLS 0:c2992d2f3c66 293 break;
JLS 0:c2992d2f3c66 294 case PORTRAIT :
JLS 0:c2992d2f3c66 295 current_orientation = IS_PORTRAIT;
JLS 0:c2992d2f3c66 296 break;
JLS 0:c2992d2f3c66 297 case PORTRAIT_R :
JLS 0:c2992d2f3c66 298 current_orientation = IS_PORTRAIT;
JLS 0:c2992d2f3c66 299 break;
JLS 0:c2992d2f3c66 300 }
JLS 0:c2992d2f3c66 301 set_font(current_font);
JLS 0:c2992d2f3c66 302 }
JLS 0:c2992d2f3c66 303 writeCOMMAND(command, 3);
JLS 0:c2992d2f3c66 304
JLS 0:c2992d2f3c66 305 }
JLS 0:c2992d2f3c66 306
JLS 0:c2992d2f3c66 307 //****************************************************************************************************
JLS 0:c2992d2f3c66 308 void TFT_4DGL :: set_volume(char value) { // set sound volume to value
JLS 0:c2992d2f3c66 309 char command[2]= "";
JLS 0:c2992d2f3c66 310
JLS 0:c2992d2f3c66 311 command[0] = SETVOLUME;
JLS 0:c2992d2f3c66 312 command[1] = value;
JLS 0:c2992d2f3c66 313
JLS 0:c2992d2f3c66 314 writeCOMMAND(command, 2);
JLS 0:c2992d2f3c66 315 }
JLS 0:c2992d2f3c66 316
JLS 0:c2992d2f3c66 317
JLS 0:c2992d2f3c66 318 //******************************************************************************************************
JLS 0:c2992d2f3c66 319 void TFT_4DGL :: getTOUCH(char *command, int number, int *x, int *y) { // read screen info and populate data
JLS 0:c2992d2f3c66 320
JLS 0:c2992d2f3c66 321 #if DEBUGMODE
JLS 0:c2992d2f3c66 322 pc.printf("\n\r");
JLS 0:c2992d2f3c66 323 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 0:c2992d2f3c66 324 #endif
JLS 0:c2992d2f3c66 325 int i, temp = 0, resp = 0;
JLS 0:c2992d2f3c66 326 char response[5] = "";
JLS 0:c2992d2f3c66 327
JLS 0:c2992d2f3c66 328 freeBUFFER();
JLS 0:c2992d2f3c66 329
JLS 0:c2992d2f3c66 330 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS 0:c2992d2f3c66 331
JLS 0:c2992d2f3c66 332 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 0:c2992d2f3c66 333
JLS 0:c2992d2f3c66 334 while (_cmd.readable()) {
JLS 0:c2992d2f3c66 335 temp = _cmd.getc();
JLS 0:c2992d2f3c66 336 response[resp++] = (char)temp;
JLS 0:c2992d2f3c66 337 }
JLS 0:c2992d2f3c66 338
JLS 0:c2992d2f3c66 339 #if DEBUGMODE
JLS 0:c2992d2f3c66 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 0:c2992d2f3c66 341 #endif
JLS 0:c2992d2f3c66 342
JLS 0:c2992d2f3c66 343 switch (resp) {
JLS 0:c2992d2f3c66 344 case 4 : // if OK populate data
JLS 0:c2992d2f3c66 345 *x = ((response[0]<<8)+ response[1]) * (response[0] != 0xFF);
JLS 0:c2992d2f3c66 346 *y = ((response[2]<<8)+ response[3]) * (response[2] != 0xFF);
JLS 0:c2992d2f3c66 347 break;
JLS 0:c2992d2f3c66 348 default :
JLS 0:c2992d2f3c66 349 *x = -1;
JLS 0:c2992d2f3c66 350 *y = -1;
JLS 0:c2992d2f3c66 351 break;
JLS 0:c2992d2f3c66 352 }
JLS 0:c2992d2f3c66 353
JLS 0:c2992d2f3c66 354 #if DEBUGMODE
JLS 0:c2992d2f3c66 355 pc.printf(" X,Y : %03d,%03d\n\r", *x, *y);
JLS 0:c2992d2f3c66 356 #endif
JLS 0:c2992d2f3c66 357 }
JLS 0:c2992d2f3c66 358
JLS 0:c2992d2f3c66 359 //******************************************************************************************************
JLS 0:c2992d2f3c66 360 int TFT_4DGL :: getSTATUS(char *command, int number) { // read screen info and populate data
JLS 0:c2992d2f3c66 361
JLS 0:c2992d2f3c66 362 #if DEBUGMODE
JLS 0:c2992d2f3c66 363 pc.printf("\n\r");
JLS 0:c2992d2f3c66 364 pc.printf("New COMMAND : 0x%02X\n\r", command[0]);
JLS 0:c2992d2f3c66 365 #endif
JLS 0:c2992d2f3c66 366
JLS 0:c2992d2f3c66 367 int i, temp = 0, resp = 0;
JLS 0:c2992d2f3c66 368 char response[5] = "";
JLS 0:c2992d2f3c66 369
JLS 0:c2992d2f3c66 370 freeBUFFER();
JLS 0:c2992d2f3c66 371
JLS 0:c2992d2f3c66 372 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
JLS 0:c2992d2f3c66 373
JLS 0:c2992d2f3c66 374 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
JLS 0:c2992d2f3c66 375
JLS 0:c2992d2f3c66 376 while (_cmd.readable()) {
JLS 0:c2992d2f3c66 377 temp = _cmd.getc();
JLS 0:c2992d2f3c66 378 response[resp++] = (char)temp;
JLS 0:c2992d2f3c66 379 }
JLS 0:c2992d2f3c66 380 switch (resp) {
JLS 0:c2992d2f3c66 381 case 4 :
JLS 0:c2992d2f3c66 382 resp = (int)response[1]; // if OK populate data
JLS 0:c2992d2f3c66 383 break;
JLS 0:c2992d2f3c66 384 default :
JLS 0:c2992d2f3c66 385 resp = -1; // else return 0
JLS 0:c2992d2f3c66 386 break;
JLS 0:c2992d2f3c66 387 }
JLS 0:c2992d2f3c66 388
JLS 0:c2992d2f3c66 389 #if DEBUGMODE
JLS 0:c2992d2f3c66 390 pc.printf(" Answer received : %d\n\r", resp);
JLS 0:c2992d2f3c66 391 #endif
JLS 0:c2992d2f3c66 392
JLS 0:c2992d2f3c66 393 return resp;
JLS 0:c2992d2f3c66 394 }