Jason McNeely / 4DGL-uLCD-SE

Extended library to include a screensaver

Dependencies:   SDFileSystem

Fork of 4DGL-uLCD-SE by Jay Danner

uLCD_4DGL_main.cpp@3:f09725357991, 2017-02-08 (annotated)

Committer:
macenzofan
Date:
Wed Feb 08 21:53:30 2017 +0000
Revision:
3:f09725357991
Parent:
0:975087cba076 
IOT EC

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jdanner3 0:975087cba076 1 //
jdanner3 0:975087cba076 2 // uLCD_4DGL is a class to drive 4D Systems uLCD 144 G2
jdanner3 0:975087cba076 3 //
jdanner3 0:975087cba076 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
jdanner3 0:975087cba076 5 // Modifed for Goldelox processor <2013> Jim Hamblen
jdanner3 0:975087cba076 6 //
jdanner3 0:975087cba076 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
jdanner3 0:975087cba076 8 // it under the terms of the GNU General Public License as published by
jdanner3 0:975087cba076 9 // the Free Software Foundation, either version 3 of the License, or
jdanner3 0:975087cba076 10 // (at your option) any later version.
jdanner3 0:975087cba076 11 //
jdanner3 0:975087cba076 12 // uLCD_4DGL is distributed in the hope that it will be useful,
jdanner3 0:975087cba076 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
jdanner3 0:975087cba076 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
jdanner3 0:975087cba076 15 // GNU General Public License for more details.
jdanner3 0:975087cba076 16 //
jdanner3 0:975087cba076 17 // You should have received a copy of the GNU General Public License
jdanner3 0:975087cba076 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
jdanner3 0:975087cba076 19
jdanner3 0:975087cba076 20 #include "mbed.h"
jdanner3 0:975087cba076 21 #include "uLCD_4DGL.h"
jdanner3 0:975087cba076 22 #define ARRAY_SIZE(X) sizeof(X)/sizeof(X[0])
jdanner3 0:975087cba076 23
jdanner3 0:975087cba076 24
jdanner3 0:975087cba076 25 //******************************************************************************************************
jdanner3 0:975087cba076 26 uLCD_4DGL :: uLCD_4DGL(PinName tx, PinName rx, PinName rst)
jdanner3 0:975087cba076 27 : sd(p5, p6, p7, p8, "sd")
jdanner3 0:975087cba076 28 ,_cmd(tx, rx)
jdanner3 0:975087cba076 29 ,_rst(rst)
jdanner3 0:975087cba076 30 ,pc(USBTX, USBRX)
jdanner3 0:975087cba076 31 {
jdanner3 0:975087cba076 32 // Constructor
jdanner3 0:975087cba076 33 _cmd.baud(9600);
jdanner3 0:975087cba076 34 #if DEBUGMODE
jdanner3 0:975087cba076 35 pc.baud(115200);
jdanner3 0:975087cba076 36
jdanner3 0:975087cba076 37 pc.printf("\n\n\n");
jdanner3 0:975087cba076 38 pc.printf("*********************\n");
jdanner3 0:975087cba076 39 pc.printf("uLCD_4DGL CONSTRUCTOR\n");
jdanner3 0:975087cba076 40 pc.printf("*********************\n");
jdanner3 0:975087cba076 41 #endif
jdanner3 0:975087cba076 42
jdanner3 0:975087cba076 43 _rst = 1; // put RESET pin to high to start TFT screen
jdanner3 0:975087cba076 44 reset();
jdanner3 0:975087cba076 45 cls(); // clear screen
jdanner3 0:975087cba076 46 current_col = 0; // initial cursor col
jdanner3 0:975087cba076 47 current_row = 0; // initial cursor row
jdanner3 0:975087cba076 48 current_color = WHITE; // initial text color
jdanner3 0:975087cba076 49 current_orientation = IS_PORTRAIT; // initial screen orientation
jdanner3 0:975087cba076 50 current_hf = 1;
jdanner3 0:975087cba076 51 current_wf = 1;
jdanner3 0:975087cba076 52 set_font(FONT_7X8); // initial font
jdanner3 0:975087cba076 53 set_time(1256729737); // set manual time base to work from
jdanner3 0:975087cba076 54 time(&lastDisplayActivityTime); // initialize times for screensaver
jdanner3 0:975087cba076 55 time(&now); // initialize times for screensaver
jdanner3 0:975087cba076 56 time(&lastScreensaverInit); // initialize times for screensaver
jdanner3 0:975087cba076 57 max_active_screen_interval = 5; // initial amount of seconds to wait before showing screensaver
jdanner3 0:975087cba076 58 inScreensaverMode = false; // initialize without screensaver
jdanner3 0:975087cba076 59 inScreensaverHysteresis = false; // initialize without screensaver
jdanner3 0:975087cba076 60 // text_mode(OPAQUE); // initial text mode
jdanner3 0:975087cba076 61 }
jdanner3 0:975087cba076 62
jdanner3 0:975087cba076 63 //******************************************************************************************************
jdanner3 0:975087cba076 64 void uLCD_4DGL :: writeBYTE(char c) // send a BYTE command to screen
jdanner3 0:975087cba076 65 {
jdanner3 0:975087cba076 66 time(&lastDisplayActivityTime); // update time to indicate that the screen is still active
jdanner3 0:975087cba076 67 _cmd.putc(c);
jdanner3 0:975087cba076 68 wait_us(500); //mbed is too fast for LCD at high baud rates in some long commands
jdanner3 0:975087cba076 69
jdanner3 0:975087cba076 70 #if DEBUGMODE
jdanner3 0:975087cba076 71 pc.printf(" Char sent : 0x%02X\n",c);
jdanner3 0:975087cba076 72 #endif
jdanner3 0:975087cba076 73
jdanner3 0:975087cba076 74 }
jdanner3 0:975087cba076 75
jdanner3 0:975087cba076 76 //******************************************************************************************************
jdanner3 0:975087cba076 77 void uLCD_4DGL :: writeBYTEfast(char c) // send a BYTE command to screen
jdanner3 0:975087cba076 78 {
jdanner3 0:975087cba076 79 time(&lastDisplayActivityTime); // update time to indicate that the screen is still active
jdanner3 0:975087cba076 80 _cmd.putc(c);
jdanner3 0:975087cba076 81 //wait_ms(0.0); //mbed is too fast for LCD at high baud rates - but not in short commands
jdanner3 0:975087cba076 82
jdanner3 0:975087cba076 83 #if DEBUGMODE
jdanner3 0:975087cba076 84 pc.printf(" Char sent : 0x%02X\n",c);
jdanner3 0:975087cba076 85 #endif
jdanner3 0:975087cba076 86
jdanner3 0:975087cba076 87 }
jdanner3 0:975087cba076 88 //******************************************************************************************************
jdanner3 0:975087cba076 89 void uLCD_4DGL :: freeBUFFER(void) // Clear serial buffer before writing command
jdanner3 0:975087cba076 90 {
jdanner3 0:975087cba076 91
jdanner3 0:975087cba076 92 while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
jdanner3 0:975087cba076 93 }
jdanner3 0:975087cba076 94
jdanner3 0:975087cba076 95 //******************************************************************************************************
jdanner3 0:975087cba076 96 int uLCD_4DGL :: writeCOMMAND(char *command, int number) // send several BYTES making a command and return an answer
jdanner3 0:975087cba076 97 {
jdanner3 0:975087cba076 98
jdanner3 0:975087cba076 99 #if DEBUGMODE
jdanner3 0:975087cba076 100 pc.printf("\n");
jdanner3 0:975087cba076 101 pc.printf("New COMMAND : 0x%02X\n", command[0]);
jdanner3 0:975087cba076 102 #endif
jdanner3 0:975087cba076 103 time(&lastDisplayActivityTime); // update time to indicate that the screen is still active
jdanner3 0:975087cba076 104 int i, resp = 0;
jdanner3 0:975087cba076 105 freeBUFFER();
jdanner3 0:975087cba076 106 writeBYTE(0xFF);
jdanner3 0:975087cba076 107 for (i = 0; i < number; i++) {
jdanner3 0:975087cba076 108 if (i<16)
jdanner3 0:975087cba076 109 writeBYTEfast(command[i]); // send command to serial port
jdanner3 0:975087cba076 110 else
jdanner3 0:975087cba076 111 writeBYTE(command[i]); // send command to serial port but slower
jdanner3 0:975087cba076 112 }
jdanner3 0:975087cba076 113 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
jdanner3 0:975087cba076 114 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
jdanner3 0:975087cba076 115 switch (resp) {
jdanner3 0:975087cba076 116 case ACK : // if OK return 1
jdanner3 0:975087cba076 117 resp = 1;
jdanner3 0:975087cba076 118 break;
jdanner3 0:975087cba076 119 case NAK : // if NOK return -1
jdanner3 0:975087cba076 120 resp = -1;
jdanner3 0:975087cba076 121 break;
jdanner3 0:975087cba076 122 default :
jdanner3 0:975087cba076 123 resp = 0; // else return 0
jdanner3 0:975087cba076 124 break;
jdanner3 0:975087cba076 125 }
jdanner3 0:975087cba076 126 #if DEBUGMODE
jdanner3 0:975087cba076 127 pc.printf(" Answer received : %d\n",resp);
jdanner3 0:975087cba076 128 #endif
jdanner3 0:975087cba076 129
jdanner3 0:975087cba076 130 return resp;
jdanner3 0:975087cba076 131 }
jdanner3 0:975087cba076 132
jdanner3 0:975087cba076 133 //**************************************************************************
jdanner3 0:975087cba076 134 void uLCD_4DGL :: reset() // Reset Screen
jdanner3 0:975087cba076 135 {
jdanner3 0:975087cba076 136 time(&lastDisplayActivityTime); // update time to indicate that the screen is still active
jdanner3 0:975087cba076 137 wait_ms(5);
jdanner3 0:975087cba076 138 _rst = 0; // put RESET pin to low
jdanner3 0:975087cba076 139 wait_ms(5); // wait a few milliseconds for command reception
jdanner3 0:975087cba076 140 _rst = 1; // put RESET back to high
jdanner3 0:975087cba076 141 wait(3); // wait 3s for screen to restart
jdanner3 0:975087cba076 142
jdanner3 0:975087cba076 143 freeBUFFER(); // clean buffer from possible garbage
jdanner3 0:975087cba076 144 }
jdanner3 0:975087cba076 145 //******************************************************************************************************
jdanner3 0:975087cba076 146 int uLCD_4DGL :: writeCOMMANDnull(char *command, int number) // send several BYTES making a command and return an answer
jdanner3 0:975087cba076 147 {
jdanner3 0:975087cba076 148
jdanner3 0:975087cba076 149 #if DEBUGMODE
jdanner3 0:975087cba076 150 pc.printf("\n");
jdanner3 0:975087cba076 151 pc.printf("New COMMAND : 0x%02X\n", command[0]);
jdanner3 0:975087cba076 152 #endif
jdanner3 0:975087cba076 153 int i, resp = 0;
jdanner3 0:975087cba076 154 freeBUFFER();
jdanner3 0:975087cba076 155 writeBYTE(0x00); //command has a null prefix byte
jdanner3 0:975087cba076 156 for (i = 0; i < number; i++) {
jdanner3 0:975087cba076 157 if (i<16) //don't overflow LCD UART buffer
jdanner3 0:975087cba076 158 writeBYTEfast(command[i]); // send command to serial port
jdanner3 0:975087cba076 159 else
jdanner3 0:975087cba076 160 writeBYTE(command[i]); // send command to serial port with delay
jdanner3 0:975087cba076 161 }
jdanner3 0:975087cba076 162 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
jdanner3 0:975087cba076 163 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
jdanner3 0:975087cba076 164 switch (resp) {
jdanner3 0:975087cba076 165 case ACK : // if OK return 1
jdanner3 0:975087cba076 166 resp = 1;
jdanner3 0:975087cba076 167 break;
jdanner3 0:975087cba076 168 case NAK : // if NOK return -1
jdanner3 0:975087cba076 169 resp = -1;
jdanner3 0:975087cba076 170 break;
jdanner3 0:975087cba076 171 default :
jdanner3 0:975087cba076 172 resp = 0; // else return 0
jdanner3 0:975087cba076 173 break;
jdanner3 0:975087cba076 174 }
jdanner3 0:975087cba076 175 #if DEBUGMODE
jdanner3 0:975087cba076 176 pc.printf(" Answer received : %d\n",resp);
jdanner3 0:975087cba076 177 #endif
jdanner3 0:975087cba076 178
jdanner3 0:975087cba076 179 return resp;
jdanner3 0:975087cba076 180 }
jdanner3 0:975087cba076 181
jdanner3 0:975087cba076 182 //**************************************************************************
jdanner3 0:975087cba076 183 void uLCD_4DGL :: cls() // clear screen
jdanner3 0:975087cba076 184 {
jdanner3 0:975087cba076 185 char command[1] = "";
jdanner3 0:975087cba076 186
jdanner3 0:975087cba076 187 command[0] = CLS;
jdanner3 0:975087cba076 188 writeCOMMAND(command, 1);
jdanner3 0:975087cba076 189 current_row=0;
jdanner3 0:975087cba076 190 current_col=0;
jdanner3 0:975087cba076 191 current_hf = 1;
jdanner3 0:975087cba076 192 current_wf = 1;
jdanner3 0:975087cba076 193 set_font(FONT_7X8); // initial font
jdanner3 0:975087cba076 194 }
jdanner3 0:975087cba076 195
jdanner3 0:975087cba076 196 //**************************************************************************
jdanner3 0:975087cba076 197 int uLCD_4DGL :: version() // get API version
jdanner3 0:975087cba076 198 {
jdanner3 0:975087cba076 199 char command[2] = "";
jdanner3 0:975087cba076 200 command[0] = '\x00';
jdanner3 0:975087cba076 201 command[1] = VERSION;
jdanner3 0:975087cba076 202 return readVERSION(command, 2);
jdanner3 0:975087cba076 203 }
jdanner3 0:975087cba076 204
jdanner3 0:975087cba076 205 //**************************************************************************
jdanner3 0:975087cba076 206 void uLCD_4DGL :: baudrate(int speed) // set screen baud rate
jdanner3 0:975087cba076 207 {
jdanner3 0:975087cba076 208 char command[3]= "";
jdanner3 0:975087cba076 209 writeBYTE(0x00);
jdanner3 0:975087cba076 210 command[0] = BAUDRATE;
jdanner3 0:975087cba076 211 command[1] = 0;
jdanner3 0:975087cba076 212 int newbaud = BAUD_9600;
jdanner3 0:975087cba076 213 switch (speed) {
jdanner3 0:975087cba076 214 case 110 :
jdanner3 0:975087cba076 215 newbaud = BAUD_110;
jdanner3 0:975087cba076 216 break;
jdanner3 0:975087cba076 217 case 300 :
jdanner3 0:975087cba076 218 newbaud = BAUD_300;
jdanner3 0:975087cba076 219 break;
jdanner3 0:975087cba076 220 case 600 :
jdanner3 0:975087cba076 221 newbaud = BAUD_600;
jdanner3 0:975087cba076 222 break;
jdanner3 0:975087cba076 223 case 1200 :
jdanner3 0:975087cba076 224 newbaud = BAUD_1200;
jdanner3 0:975087cba076 225 break;
jdanner3 0:975087cba076 226 case 2400 :
jdanner3 0:975087cba076 227 newbaud = BAUD_2400;
jdanner3 0:975087cba076 228 break;
jdanner3 0:975087cba076 229 case 4800 :
jdanner3 0:975087cba076 230 newbaud = BAUD_4800;
jdanner3 0:975087cba076 231 break;
jdanner3 0:975087cba076 232 case 9600 :
jdanner3 0:975087cba076 233 newbaud = BAUD_9600;
jdanner3 0:975087cba076 234 break;
jdanner3 0:975087cba076 235 case 14400 :
jdanner3 0:975087cba076 236 newbaud = BAUD_14400;
jdanner3 0:975087cba076 237 break;
jdanner3 0:975087cba076 238 case 19200 :
jdanner3 0:975087cba076 239 newbaud = BAUD_19200;
jdanner3 0:975087cba076 240 break;
jdanner3 0:975087cba076 241 case 31250 :
jdanner3 0:975087cba076 242 newbaud = BAUD_31250;
jdanner3 0:975087cba076 243 break;
jdanner3 0:975087cba076 244 case 38400 :
jdanner3 0:975087cba076 245 newbaud = BAUD_38400;
jdanner3 0:975087cba076 246 break;
jdanner3 0:975087cba076 247 case 56000 :
jdanner3 0:975087cba076 248 newbaud = BAUD_56000;
jdanner3 0:975087cba076 249 break;
jdanner3 0:975087cba076 250 case 57600 :
jdanner3 0:975087cba076 251 newbaud = BAUD_57600;
jdanner3 0:975087cba076 252 break;
jdanner3 0:975087cba076 253 case 115200 :
jdanner3 0:975087cba076 254 newbaud = BAUD_115200;
jdanner3 0:975087cba076 255 break;
jdanner3 0:975087cba076 256 case 128000 :
jdanner3 0:975087cba076 257 newbaud = BAUD_128000;
jdanner3 0:975087cba076 258 break;
jdanner3 0:975087cba076 259 case 256000 :
jdanner3 0:975087cba076 260 newbaud = BAUD_256000;
jdanner3 0:975087cba076 261 break;
jdanner3 0:975087cba076 262 case 300000 :
jdanner3 0:975087cba076 263 newbaud = BAUD_300000;
jdanner3 0:975087cba076 264 speed = 272727;
jdanner3 0:975087cba076 265 break;
jdanner3 0:975087cba076 266 case 375000 :
jdanner3 0:975087cba076 267 newbaud = BAUD_375000;
jdanner3 0:975087cba076 268 speed = 333333;
jdanner3 0:975087cba076 269 break;
jdanner3 0:975087cba076 270 case 500000 :
jdanner3 0:975087cba076 271 newbaud = BAUD_500000;
jdanner3 0:975087cba076 272 speed = 428571;
jdanner3 0:975087cba076 273 break;
jdanner3 0:975087cba076 274 case 600000 :
jdanner3 0:975087cba076 275 newbaud = BAUD_600000;
jdanner3 0:975087cba076 276 break;
jdanner3 0:975087cba076 277 case 750000 : //rates over 600000 are not documented, but seem to work
jdanner3 0:975087cba076 278 newbaud = BAUD_750000;
jdanner3 0:975087cba076 279 break;
jdanner3 0:975087cba076 280 case 1000000 :
jdanner3 0:975087cba076 281 newbaud = BAUD_1000000;
jdanner3 0:975087cba076 282 break;
jdanner3 0:975087cba076 283 case 1500000 :
jdanner3 0:975087cba076 284 newbaud = BAUD_1500000;
jdanner3 0:975087cba076 285 break;
jdanner3 0:975087cba076 286 case 3000000 :
jdanner3 0:975087cba076 287 newbaud = BAUD_3000000;
jdanner3 0:975087cba076 288 break;
jdanner3 0:975087cba076 289 default :
jdanner3 0:975087cba076 290 newbaud = BAUD_9600;
jdanner3 0:975087cba076 291 speed = 9600;
jdanner3 0:975087cba076 292 break;
jdanner3 0:975087cba076 293 }
jdanner3 0:975087cba076 294
jdanner3 0:975087cba076 295 int i, resp = 0;
jdanner3 0:975087cba076 296
jdanner3 0:975087cba076 297 freeBUFFER();
jdanner3 0:975087cba076 298 command[1] = char(newbaud >>8);
jdanner3 0:975087cba076 299 command[2] = char(newbaud % 256);
jdanner3 0:975087cba076 300 wait_ms(1);
jdanner3 0:975087cba076 301 for (i = 0; i <3; i++) writeBYTEfast(command[i]); // send command to serial port
jdanner3 0:975087cba076 302 for (i = 0; i<10; i++) wait_ms(1);
jdanner3 0:975087cba076 303 //dont change baud until all characters get sent out
jdanner3 0:975087cba076 304 _cmd.baud(speed); // set mbed to same speed
jdanner3 0:975087cba076 305 i=0;
jdanner3 0:975087cba076 306 while ((!_cmd.readable()) && (i<25000)) {
jdanner3 0:975087cba076 307 wait_ms(TEMPO); // wait for screen answer - comes 100ms after change
jdanner3 0:975087cba076 308 i++; //timeout if ack character missed by baud change
jdanner3 0:975087cba076 309 }
jdanner3 0:975087cba076 310 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
jdanner3 0:975087cba076 311 switch (resp) {
jdanner3 0:975087cba076 312 case ACK : // if OK return 1
jdanner3 0:975087cba076 313 resp = 1;
jdanner3 0:975087cba076 314 break;
jdanner3 0:975087cba076 315 case NAK : // if NOK return -1
jdanner3 0:975087cba076 316 resp = -1;
jdanner3 0:975087cba076 317 break;
jdanner3 0:975087cba076 318 default :
jdanner3 0:975087cba076 319 resp = 0; // else return 0
jdanner3 0:975087cba076 320 break;
jdanner3 0:975087cba076 321 }
jdanner3 0:975087cba076 322 }
jdanner3 0:975087cba076 323
jdanner3 0:975087cba076 324 //******************************************************************************************************
jdanner3 0:975087cba076 325 int uLCD_4DGL :: readVERSION(char *command, int number) // read screen info and populate data
jdanner3 0:975087cba076 326 {
jdanner3 0:975087cba076 327 int i, temp = 0, resp = 0;
jdanner3 0:975087cba076 328 char response[5] = "";
jdanner3 0:975087cba076 329
jdanner3 0:975087cba076 330 freeBUFFER();
jdanner3 0:975087cba076 331
jdanner3 0:975087cba076 332 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
jdanner3 0:975087cba076 333
jdanner3 0:975087cba076 334 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
jdanner3 0:975087cba076 335
jdanner3 0:975087cba076 336 while (_cmd.readable() && resp < ARRAY_SIZE(response)) {
jdanner3 0:975087cba076 337 temp = _cmd.getc();
jdanner3 0:975087cba076 338 response[resp++] = (char)temp;
jdanner3 0:975087cba076 339 }
jdanner3 0:975087cba076 340 switch (resp) {
jdanner3 0:975087cba076 341 case 2 : // if OK populate data and return 1
jdanner3 0:975087cba076 342 revision = response[0]<<8 + response[1];
jdanner3 0:975087cba076 343 resp = 1;
jdanner3 0:975087cba076 344 break;
jdanner3 0:975087cba076 345 default :
jdanner3 0:975087cba076 346 resp = 0; // else return 0
jdanner3 0:975087cba076 347 break;
jdanner3 0:975087cba076 348 }
jdanner3 0:975087cba076 349 time(&lastDisplayActivityTime); // update time to indicate that the screen is still active
jdanner3 0:975087cba076 350 return resp;
jdanner3 0:975087cba076 351 }
jdanner3 0:975087cba076 352
jdanner3 0:975087cba076 353 //****************************************************************************************************
jdanner3 0:975087cba076 354 void uLCD_4DGL :: background_color(int color) // set screen background color
jdanner3 0:975087cba076 355 {
jdanner3 0:975087cba076 356 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
jdanner3 0:975087cba076 357
jdanner3 0:975087cba076 358 command[0] = BCKGDCOLOR;
jdanner3 0:975087cba076 359
jdanner3 0:975087cba076 360 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
jdanner3 0:975087cba076 361 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
jdanner3 0:975087cba076 362 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
jdanner3 0:975087cba076 363
jdanner3 0:975087cba076 364 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
jdanner3 0:975087cba076 365 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
jdanner3 0:975087cba076 366
jdanner3 0:975087cba076 367 writeCOMMAND(command, 3);
jdanner3 0:975087cba076 368 }
jdanner3 0:975087cba076 369
jdanner3 0:975087cba076 370 //****************************************************************************************************
jdanner3 0:975087cba076 371 void uLCD_4DGL :: textbackground_color(int color) // set screen background color
jdanner3 0:975087cba076 372 {
jdanner3 0:975087cba076 373 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
jdanner3 0:975087cba076 374
jdanner3 0:975087cba076 375 command[0] = TXTBCKGDCOLOR;
jdanner3 0:975087cba076 376
jdanner3 0:975087cba076 377 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
jdanner3 0:975087cba076 378 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
jdanner3 0:975087cba076 379 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
jdanner3 0:975087cba076 380
jdanner3 0:975087cba076 381 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
jdanner3 0:975087cba076 382 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
jdanner3 0:975087cba076 383
jdanner3 0:975087cba076 384 writeCOMMAND(command, 3);
jdanner3 0:975087cba076 385 }
jdanner3 0:975087cba076 386
jdanner3 0:975087cba076 387 //****************************************************************************************************
jdanner3 0:975087cba076 388 void uLCD_4DGL :: display_control(char mode) // set screen mode to value
jdanner3 0:975087cba076 389 {
jdanner3 0:975087cba076 390 char command[3]= "";
jdanner3 0:975087cba076 391
jdanner3 0:975087cba076 392 command[0] = DISPCONTROL;
jdanner3 0:975087cba076 393 command[1] = 0;
jdanner3 0:975087cba076 394 command[2] = mode;
jdanner3 0:975087cba076 395
jdanner3 0:975087cba076 396 if (mode == ORIENTATION) {
jdanner3 0:975087cba076 397 switch (mode) {
jdanner3 0:975087cba076 398 case LANDSCAPE :
jdanner3 0:975087cba076 399 current_orientation = IS_LANDSCAPE;
jdanner3 0:975087cba076 400 break;
jdanner3 0:975087cba076 401 case LANDSCAPE_R :
jdanner3 0:975087cba076 402 current_orientation = IS_LANDSCAPE;
jdanner3 0:975087cba076 403 break;
jdanner3 0:975087cba076 404 case PORTRAIT :
jdanner3 0:975087cba076 405 current_orientation = IS_PORTRAIT;
jdanner3 0:975087cba076 406 break;
jdanner3 0:975087cba076 407 case PORTRAIT_R :
jdanner3 0:975087cba076 408 current_orientation = IS_PORTRAIT;
jdanner3 0:975087cba076 409 break;
jdanner3 0:975087cba076 410 }
jdanner3 0:975087cba076 411 }
jdanner3 0:975087cba076 412 writeCOMMAND(command, 3);
jdanner3 0:975087cba076 413 set_font(current_font);
jdanner3 0:975087cba076 414 }
jdanner3 0:975087cba076 415 //****************************************************************************************************
jdanner3 0:975087cba076 416 void uLCD_4DGL :: display_power(char mode) // set screen mode to value
jdanner3 0:975087cba076 417 {
jdanner3 0:975087cba076 418 char command[3]= "";
jdanner3 0:975087cba076 419
jdanner3 0:975087cba076 420 command[0] = DISPPOWER;
jdanner3 0:975087cba076 421 command[1] = 0;
jdanner3 0:975087cba076 422 command[2] = mode;
jdanner3 0:975087cba076 423 writeCOMMAND(command, 3);
jdanner3 0:975087cba076 424 time(&lastDisplayActivityTime); // update time to indicate that the screen is still active
jdanner3 0:975087cba076 425 }
jdanner3 0:975087cba076 426 //****************************************************************************************************
jdanner3 0:975087cba076 427 void uLCD_4DGL :: set_volume(char value) // set sound volume to value
jdanner3 0:975087cba076 428 {
jdanner3 0:975087cba076 429 char command[2]= "";
jdanner3 0:975087cba076 430
jdanner3 0:975087cba076 431 command[0] = SETVOLUME;
jdanner3 0:975087cba076 432 command[1] = value;
jdanner3 0:975087cba076 433
jdanner3 0:975087cba076 434 writeCOMMAND(command, 2);
jdanner3 0:975087cba076 435 }
jdanner3 0:975087cba076 436
jdanner3 0:975087cba076 437
jdanner3 0:975087cba076 438 //******************************************************************************************************
jdanner3 0:975087cba076 439 int uLCD_4DGL :: getSTATUS(char *command, int number) // read screen info and populate data
jdanner3 0:975087cba076 440 {
jdanner3 0:975087cba076 441
jdanner3 0:975087cba076 442 #if DEBUGMODE
jdanner3 0:975087cba076 443 pc.printf("\n");
jdanner3 0:975087cba076 444 pc.printf("New COMMAND : 0x%02X\n", command[0]);
jdanner3 0:975087cba076 445 #endif
jdanner3 0:975087cba076 446
jdanner3 0:975087cba076 447 int i, temp = 0, resp = 0;
jdanner3 0:975087cba076 448 char response[5] = "";
jdanner3 0:975087cba076 449
jdanner3 0:975087cba076 450 freeBUFFER();
jdanner3 0:975087cba076 451
jdanner3 0:975087cba076 452 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
jdanner3 0:975087cba076 453
jdanner3 0:975087cba076 454 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
jdanner3 0:975087cba076 455
jdanner3 0:975087cba076 456 while (_cmd.readable() && resp < ARRAY_SIZE(response)) {
jdanner3 0:975087cba076 457 temp = _cmd.getc();
jdanner3 0:975087cba076 458 response[resp++] = (char)temp;
jdanner3 0:975087cba076 459 }
jdanner3 0:975087cba076 460 switch (resp) {
jdanner3 0:975087cba076 461 case 4 :
jdanner3 0:975087cba076 462 resp = (int)response[1]; // if OK populate data
jdanner3 0:975087cba076 463 break;
jdanner3 0:975087cba076 464 default :
jdanner3 0:975087cba076 465 resp = -1; // else return 0
jdanner3 0:975087cba076 466 break;
jdanner3 0:975087cba076 467 }
jdanner3 0:975087cba076 468
jdanner3 0:975087cba076 469 #if DEBUGMODE
jdanner3 0:975087cba076 470 pc.printf(" Answer received : %d\n", resp);
jdanner3 0:975087cba076 471 #endif
jdanner3 0:975087cba076 472
jdanner3 0:975087cba076 473 return resp;
jdanner3 0:975087cba076 474 }
jdanner3 0:975087cba076 475