Ratchapong T / Mbed 2 deprecated uLCD_ExtendedScreen

Allow user to connect multiple screen.

Dependencies:   mbed-rtos mbed

4DGL-uLCD-SE/uLCD_4DGL_main.cpp@0:052d0f82433e, 2015-03-11 (annotated)

Committer:
Ratchapong
Date:
Wed Mar 11 05:00:37 2015 +0000
Revision:
0:052d0f82433e
Working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Ratchapong 0:052d0f82433e 1 //
Ratchapong 0:052d0f82433e 2 // uLCD_4DGL is a class to drive 4D Systems uLCD 144 G2
Ratchapong 0:052d0f82433e 3 //
Ratchapong 0:052d0f82433e 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
Ratchapong 0:052d0f82433e 5 // Modifed for Goldelox processor <2013> Jim Hamblen
Ratchapong 0:052d0f82433e 6 //
Ratchapong 0:052d0f82433e 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
Ratchapong 0:052d0f82433e 8 // it under the terms of the GNU General Public License as published by
Ratchapong 0:052d0f82433e 9 // the Free Software Foundation, either version 3 of the License, or
Ratchapong 0:052d0f82433e 10 // (at your option) any later version.
Ratchapong 0:052d0f82433e 11 //
Ratchapong 0:052d0f82433e 12 // uLCD_4DGL is distributed in the hope that it will be useful,
Ratchapong 0:052d0f82433e 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
Ratchapong 0:052d0f82433e 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Ratchapong 0:052d0f82433e 15 // GNU General Public License for more details.
Ratchapong 0:052d0f82433e 16 //
Ratchapong 0:052d0f82433e 17 // You should have received a copy of the GNU General Public License
Ratchapong 0:052d0f82433e 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
Ratchapong 0:052d0f82433e 19
Ratchapong 0:052d0f82433e 20 #include "mbed.h"
Ratchapong 0:052d0f82433e 21 #include "uLCD_4DGL.h"
Ratchapong 0:052d0f82433e 22
Ratchapong 0:052d0f82433e 23 #define ARRAY_SIZE(X) sizeof(X)/sizeof(X[0])
Ratchapong 0:052d0f82433e 24
Ratchapong 0:052d0f82433e 25 //Serial pc(USBTX,USBRX);
Ratchapong 0:052d0f82433e 26
Ratchapong 0:052d0f82433e 27
Ratchapong 0:052d0f82433e 28 //******************************************************************************************************
Ratchapong 0:052d0f82433e 29 uLCD_4DGL :: uLCD_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx),
Ratchapong 0:052d0f82433e 30 _rst(rst)
Ratchapong 0:052d0f82433e 31 #if DEBUGMODE
Ratchapong 0:052d0f82433e 32 ,pc(USBTX, USBRX)
Ratchapong 0:052d0f82433e 33 #endif // DEBUGMODE
Ratchapong 0:052d0f82433e 34 {
Ratchapong 0:052d0f82433e 35 // Constructor
Ratchapong 0:052d0f82433e 36 _cmd.baud(9600);
Ratchapong 0:052d0f82433e 37 #if DEBUGMODE
Ratchapong 0:052d0f82433e 38 pc.baud(115200);
Ratchapong 0:052d0f82433e 39
Ratchapong 0:052d0f82433e 40 pc.printf("\n\n\n");
Ratchapong 0:052d0f82433e 41 pc.printf("*********************\n");
Ratchapong 0:052d0f82433e 42 pc.printf("uLCD_4DGL CONSTRUCTOR\n");
Ratchapong 0:052d0f82433e 43 pc.printf("*********************\n");
Ratchapong 0:052d0f82433e 44 #endif
Ratchapong 0:052d0f82433e 45
Ratchapong 0:052d0f82433e 46 _rst = 1; // put RESET pin to high to start TFT screen
Ratchapong 0:052d0f82433e 47 reset();
Ratchapong 0:052d0f82433e 48 cls(); // clear screen
Ratchapong 0:052d0f82433e 49 current_col = 0; // initial cursor col
Ratchapong 0:052d0f82433e 50 current_row = 0; // initial cursor row
Ratchapong 0:052d0f82433e 51 current_color = WHITE; // initial text color
Ratchapong 0:052d0f82433e 52 current_orientation = IS_PORTRAIT; // initial screen orientation
Ratchapong 0:052d0f82433e 53 current_hf = 1;
Ratchapong 0:052d0f82433e 54 current_wf = 1;
Ratchapong 0:052d0f82433e 55 set_font(FONT_7X8); // initial font
Ratchapong 0:052d0f82433e 56 // text_mode(OPAQUE); // initial texr mode
Ratchapong 0:052d0f82433e 57 }
Ratchapong 0:052d0f82433e 58
Ratchapong 0:052d0f82433e 59 //******************************************************************************************************
Ratchapong 0:052d0f82433e 60 void uLCD_4DGL :: writeBYTE(char c) // send a BYTE command to screen
Ratchapong 0:052d0f82433e 61 {
Ratchapong 0:052d0f82433e 62
Ratchapong 0:052d0f82433e 63 _cmd.putc(c);
Ratchapong 0:052d0f82433e 64 wait_us(500); //mbed is too fast for LCD at high baud rates in some long commands
Ratchapong 0:052d0f82433e 65
Ratchapong 0:052d0f82433e 66 #if DEBUGMODE
Ratchapong 0:052d0f82433e 67 pc.printf(" Char sent : 0x%02X\n",c);
Ratchapong 0:052d0f82433e 68 #endif
Ratchapong 0:052d0f82433e 69
Ratchapong 0:052d0f82433e 70 }
Ratchapong 0:052d0f82433e 71
Ratchapong 0:052d0f82433e 72 //******************************************************************************************************
Ratchapong 0:052d0f82433e 73 void uLCD_4DGL :: writeBYTEfast(char c) // send a BYTE command to screen
Ratchapong 0:052d0f82433e 74 {
Ratchapong 0:052d0f82433e 75
Ratchapong 0:052d0f82433e 76 _cmd.putc(c);
Ratchapong 0:052d0f82433e 77 //wait_ms(0.0); //mbed is too fast for LCD at high baud rates - but not in short commands
Ratchapong 0:052d0f82433e 78
Ratchapong 0:052d0f82433e 79 #if DEBUGMODE
Ratchapong 0:052d0f82433e 80 pc.printf(" Char sent : 0x%02X\n",c);
Ratchapong 0:052d0f82433e 81 #endif
Ratchapong 0:052d0f82433e 82
Ratchapong 0:052d0f82433e 83 }
Ratchapong 0:052d0f82433e 84 //******************************************************************************************************
Ratchapong 0:052d0f82433e 85 void uLCD_4DGL :: freeBUFFER(void) // Clear serial buffer before writing command
Ratchapong 0:052d0f82433e 86 {
Ratchapong 0:052d0f82433e 87
Ratchapong 0:052d0f82433e 88 while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
Ratchapong 0:052d0f82433e 89 }
Ratchapong 0:052d0f82433e 90
Ratchapong 0:052d0f82433e 91 //******************************************************************************************************
Ratchapong 0:052d0f82433e 92 int uLCD_4DGL :: writeCOMMAND(char *command, int number) // send several BYTES making a command and return an answer
Ratchapong 0:052d0f82433e 93 {
Ratchapong 0:052d0f82433e 94
Ratchapong 0:052d0f82433e 95 #if DEBUGMODE
Ratchapong 0:052d0f82433e 96 pc.printf("\n");
Ratchapong 0:052d0f82433e 97 pc.printf("New COMMAND : 0x%02X\n", command[0]);
Ratchapong 0:052d0f82433e 98 #endif
Ratchapong 0:052d0f82433e 99 int i, resp = 0;
Ratchapong 0:052d0f82433e 100 freeBUFFER();
Ratchapong 0:052d0f82433e 101 writeBYTE(0xFF);
Ratchapong 0:052d0f82433e 102 for (i = 0; i < number; i++) {
Ratchapong 0:052d0f82433e 103 if (i<16)
Ratchapong 0:052d0f82433e 104 writeBYTEfast(command[i]); // send command to serial port
Ratchapong 0:052d0f82433e 105 else
Ratchapong 0:052d0f82433e 106 writeBYTE(command[i]); // send command to serial port but slower
Ratchapong 0:052d0f82433e 107 }
Ratchapong 0:052d0f82433e 108 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
Ratchapong 0:052d0f82433e 109 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
Ratchapong 0:052d0f82433e 110 switch (resp) {
Ratchapong 0:052d0f82433e 111 case ACK : // if OK return 1
Ratchapong 0:052d0f82433e 112 resp = 1;
Ratchapong 0:052d0f82433e 113 break;
Ratchapong 0:052d0f82433e 114 case NAK : // if NOK return -1
Ratchapong 0:052d0f82433e 115 resp = -1;
Ratchapong 0:052d0f82433e 116 break;
Ratchapong 0:052d0f82433e 117 default :
Ratchapong 0:052d0f82433e 118 resp = 0; // else return 0
Ratchapong 0:052d0f82433e 119 break;
Ratchapong 0:052d0f82433e 120 }
Ratchapong 0:052d0f82433e 121 #if DEBUGMODE
Ratchapong 0:052d0f82433e 122 pc.printf(" Answer received : %d\n",resp);
Ratchapong 0:052d0f82433e 123 #endif
Ratchapong 0:052d0f82433e 124
Ratchapong 0:052d0f82433e 125 return resp;
Ratchapong 0:052d0f82433e 126 }
Ratchapong 0:052d0f82433e 127
Ratchapong 0:052d0f82433e 128 //**************************************************************************
Ratchapong 0:052d0f82433e 129 void uLCD_4DGL :: reset() // Reset Screen
Ratchapong 0:052d0f82433e 130 {
Ratchapong 0:052d0f82433e 131 wait_ms(5);
Ratchapong 0:052d0f82433e 132 _rst = 0; // put RESET pin to low
Ratchapong 0:052d0f82433e 133 wait_ms(5); // wait a few milliseconds for command reception
Ratchapong 0:052d0f82433e 134 _rst = 1; // put RESET back to high
Ratchapong 0:052d0f82433e 135 wait(3); // wait 3s for screen to restart
Ratchapong 0:052d0f82433e 136
Ratchapong 0:052d0f82433e 137 freeBUFFER(); // clean buffer from possible garbage
Ratchapong 0:052d0f82433e 138 }
Ratchapong 0:052d0f82433e 139 //******************************************************************************************************
Ratchapong 0:052d0f82433e 140 int uLCD_4DGL :: writeCOMMANDnull(char *command, int number) // send several BYTES making a command and return an answer
Ratchapong 0:052d0f82433e 141 {
Ratchapong 0:052d0f82433e 142
Ratchapong 0:052d0f82433e 143 #if DEBUGMODE
Ratchapong 0:052d0f82433e 144 pc.printf("\n");
Ratchapong 0:052d0f82433e 145 pc.printf("New COMMAND : 0x%02X\n", command[0]);
Ratchapong 0:052d0f82433e 146 #endif
Ratchapong 0:052d0f82433e 147 int i, resp = 0;
Ratchapong 0:052d0f82433e 148 freeBUFFER();
Ratchapong 0:052d0f82433e 149 writeBYTE(0x00); //command has a null prefix byte
Ratchapong 0:052d0f82433e 150 for (i = 0; i < number; i++) {
Ratchapong 0:052d0f82433e 151 if (i<16) //don't overflow LCD UART buffer
Ratchapong 0:052d0f82433e 152 writeBYTEfast(command[i]); // send command to serial port
Ratchapong 0:052d0f82433e 153 else
Ratchapong 0:052d0f82433e 154 writeBYTE(command[i]); // send command to serial port with delay
Ratchapong 0:052d0f82433e 155 }
Ratchapong 0:052d0f82433e 156 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
Ratchapong 0:052d0f82433e 157 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
Ratchapong 0:052d0f82433e 158 switch (resp) {
Ratchapong 0:052d0f82433e 159 case ACK : // if OK return 1
Ratchapong 0:052d0f82433e 160 resp = 1;
Ratchapong 0:052d0f82433e 161 break;
Ratchapong 0:052d0f82433e 162 case NAK : // if NOK return -1
Ratchapong 0:052d0f82433e 163 resp = -1;
Ratchapong 0:052d0f82433e 164 break;
Ratchapong 0:052d0f82433e 165 default :
Ratchapong 0:052d0f82433e 166 resp = 0; // else return 0
Ratchapong 0:052d0f82433e 167 break;
Ratchapong 0:052d0f82433e 168 }
Ratchapong 0:052d0f82433e 169 #if DEBUGMODE
Ratchapong 0:052d0f82433e 170 pc.printf(" Answer received : %d\n",resp);
Ratchapong 0:052d0f82433e 171 #endif
Ratchapong 0:052d0f82433e 172
Ratchapong 0:052d0f82433e 173 return resp;
Ratchapong 0:052d0f82433e 174 }
Ratchapong 0:052d0f82433e 175
Ratchapong 0:052d0f82433e 176 //**************************************************************************
Ratchapong 0:052d0f82433e 177 void uLCD_4DGL :: cls() // clear screen
Ratchapong 0:052d0f82433e 178 {
Ratchapong 0:052d0f82433e 179 char command[1] = "";
Ratchapong 0:052d0f82433e 180
Ratchapong 0:052d0f82433e 181 command[0] = CLS;
Ratchapong 0:052d0f82433e 182 writeCOMMAND(command, 1);
Ratchapong 0:052d0f82433e 183 current_row=0;
Ratchapong 0:052d0f82433e 184 current_col=0;
Ratchapong 0:052d0f82433e 185 current_hf = 1;
Ratchapong 0:052d0f82433e 186 current_wf = 1;
Ratchapong 0:052d0f82433e 187 set_font(FONT_7X8); // initial font
Ratchapong 0:052d0f82433e 188 }
Ratchapong 0:052d0f82433e 189
Ratchapong 0:052d0f82433e 190 //**************************************************************************
Ratchapong 0:052d0f82433e 191 int uLCD_4DGL :: version() // get API version
Ratchapong 0:052d0f82433e 192 {
Ratchapong 0:052d0f82433e 193
Ratchapong 0:052d0f82433e 194 char command[2] = "";
Ratchapong 0:052d0f82433e 195 command[0] = '\x00';
Ratchapong 0:052d0f82433e 196 command[1] = VERSION;
Ratchapong 0:052d0f82433e 197 return readVERSION(command, 2);
Ratchapong 0:052d0f82433e 198 }
Ratchapong 0:052d0f82433e 199
Ratchapong 0:052d0f82433e 200 //**************************************************************************
Ratchapong 0:052d0f82433e 201 void uLCD_4DGL :: baudrate(int speed) // set screen baud rate
Ratchapong 0:052d0f82433e 202 {
Ratchapong 0:052d0f82433e 203 char command[3]= "";
Ratchapong 0:052d0f82433e 204 writeBYTE(0x00);
Ratchapong 0:052d0f82433e 205 command[0] = BAUDRATE;
Ratchapong 0:052d0f82433e 206 command[1] = 0;
Ratchapong 0:052d0f82433e 207 int newbaud = BAUD_9600;
Ratchapong 0:052d0f82433e 208 switch (speed) {
Ratchapong 0:052d0f82433e 209 case 110 :
Ratchapong 0:052d0f82433e 210 newbaud = BAUD_110;
Ratchapong 0:052d0f82433e 211 break;
Ratchapong 0:052d0f82433e 212 case 300 :
Ratchapong 0:052d0f82433e 213 newbaud = BAUD_300;
Ratchapong 0:052d0f82433e 214 break;
Ratchapong 0:052d0f82433e 215 case 600 :
Ratchapong 0:052d0f82433e 216 newbaud = BAUD_600;
Ratchapong 0:052d0f82433e 217 break;
Ratchapong 0:052d0f82433e 218 case 1200 :
Ratchapong 0:052d0f82433e 219 newbaud = BAUD_1200;
Ratchapong 0:052d0f82433e 220 break;
Ratchapong 0:052d0f82433e 221 case 2400 :
Ratchapong 0:052d0f82433e 222 newbaud = BAUD_2400;
Ratchapong 0:052d0f82433e 223 break;
Ratchapong 0:052d0f82433e 224 case 4800 :
Ratchapong 0:052d0f82433e 225 newbaud = BAUD_4800;
Ratchapong 0:052d0f82433e 226 break;
Ratchapong 0:052d0f82433e 227 case 9600 :
Ratchapong 0:052d0f82433e 228 newbaud = BAUD_9600;
Ratchapong 0:052d0f82433e 229 break;
Ratchapong 0:052d0f82433e 230 case 14400 :
Ratchapong 0:052d0f82433e 231 newbaud = BAUD_14400;
Ratchapong 0:052d0f82433e 232 break;
Ratchapong 0:052d0f82433e 233 case 19200 :
Ratchapong 0:052d0f82433e 234 newbaud = BAUD_19200;
Ratchapong 0:052d0f82433e 235 break;
Ratchapong 0:052d0f82433e 236 case 31250 :
Ratchapong 0:052d0f82433e 237 newbaud = BAUD_31250;
Ratchapong 0:052d0f82433e 238 break;
Ratchapong 0:052d0f82433e 239 case 38400 :
Ratchapong 0:052d0f82433e 240 newbaud = BAUD_38400;
Ratchapong 0:052d0f82433e 241 break;
Ratchapong 0:052d0f82433e 242 case 56000 :
Ratchapong 0:052d0f82433e 243 newbaud = BAUD_56000;
Ratchapong 0:052d0f82433e 244 break;
Ratchapong 0:052d0f82433e 245 case 57600 :
Ratchapong 0:052d0f82433e 246 newbaud = BAUD_57600;
Ratchapong 0:052d0f82433e 247 break;
Ratchapong 0:052d0f82433e 248 case 115200 :
Ratchapong 0:052d0f82433e 249 newbaud = BAUD_115200;
Ratchapong 0:052d0f82433e 250 break;
Ratchapong 0:052d0f82433e 251 case 128000 :
Ratchapong 0:052d0f82433e 252 newbaud = BAUD_128000;
Ratchapong 0:052d0f82433e 253 break;
Ratchapong 0:052d0f82433e 254 case 256000 :
Ratchapong 0:052d0f82433e 255 newbaud = BAUD_256000;
Ratchapong 0:052d0f82433e 256 break;
Ratchapong 0:052d0f82433e 257 case 300000 :
Ratchapong 0:052d0f82433e 258 newbaud = BAUD_300000;
Ratchapong 0:052d0f82433e 259 speed = 272727;
Ratchapong 0:052d0f82433e 260 break;
Ratchapong 0:052d0f82433e 261 case 375000 :
Ratchapong 0:052d0f82433e 262 newbaud = BAUD_375000;
Ratchapong 0:052d0f82433e 263 speed = 333333;
Ratchapong 0:052d0f82433e 264 break;
Ratchapong 0:052d0f82433e 265 case 500000 :
Ratchapong 0:052d0f82433e 266 newbaud = BAUD_500000;
Ratchapong 0:052d0f82433e 267 speed = 428571;
Ratchapong 0:052d0f82433e 268 break;
Ratchapong 0:052d0f82433e 269 case 600000 :
Ratchapong 0:052d0f82433e 270 newbaud = BAUD_600000;
Ratchapong 0:052d0f82433e 271 break;
Ratchapong 0:052d0f82433e 272 case 750000 : //rates over 600000 are not documented, but seem to work
Ratchapong 0:052d0f82433e 273 newbaud = BAUD_750000;
Ratchapong 0:052d0f82433e 274 break;
Ratchapong 0:052d0f82433e 275 case 1000000 :
Ratchapong 0:052d0f82433e 276 newbaud = BAUD_1000000;
Ratchapong 0:052d0f82433e 277 break;
Ratchapong 0:052d0f82433e 278 case 1500000 :
Ratchapong 0:052d0f82433e 279 newbaud = BAUD_1500000;
Ratchapong 0:052d0f82433e 280 break;
Ratchapong 0:052d0f82433e 281 case 3000000 :
Ratchapong 0:052d0f82433e 282 newbaud = BAUD_3000000;
Ratchapong 0:052d0f82433e 283 break;
Ratchapong 0:052d0f82433e 284 default :
Ratchapong 0:052d0f82433e 285 newbaud = BAUD_9600;
Ratchapong 0:052d0f82433e 286 speed = 9600;
Ratchapong 0:052d0f82433e 287 break;
Ratchapong 0:052d0f82433e 288 }
Ratchapong 0:052d0f82433e 289
Ratchapong 0:052d0f82433e 290 int i, resp = 0;
Ratchapong 0:052d0f82433e 291
Ratchapong 0:052d0f82433e 292 freeBUFFER();
Ratchapong 0:052d0f82433e 293 command[1] = char(newbaud >>8);
Ratchapong 0:052d0f82433e 294 command[2] = char(newbaud % 256);
Ratchapong 0:052d0f82433e 295 wait_ms(1);
Ratchapong 0:052d0f82433e 296 for (i = 0; i <3; i++) writeBYTEfast(command[i]); // send command to serial port
Ratchapong 0:052d0f82433e 297 for (i = 0; i<10; i++) wait_ms(1);
Ratchapong 0:052d0f82433e 298 //dont change baud until all characters get sent out
Ratchapong 0:052d0f82433e 299 _cmd.baud(speed); // set mbed to same speed
Ratchapong 0:052d0f82433e 300 i=0;
Ratchapong 0:052d0f82433e 301 while ((!_cmd.readable()) && (i<25000)) {
Ratchapong 0:052d0f82433e 302 wait_ms(TEMPO); // wait for screen answer - comes 100ms after change
Ratchapong 0:052d0f82433e 303 i++; //timeout if ack character missed by baud change
Ratchapong 0:052d0f82433e 304 }
Ratchapong 0:052d0f82433e 305 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
Ratchapong 0:052d0f82433e 306 switch (resp) {
Ratchapong 0:052d0f82433e 307 case ACK : // if OK return 1
Ratchapong 0:052d0f82433e 308 resp = 1;
Ratchapong 0:052d0f82433e 309 break;
Ratchapong 0:052d0f82433e 310 case NAK : // if NOK return -1
Ratchapong 0:052d0f82433e 311 resp = -1;
Ratchapong 0:052d0f82433e 312 break;
Ratchapong 0:052d0f82433e 313 default :
Ratchapong 0:052d0f82433e 314 resp = 0; // else return 0
Ratchapong 0:052d0f82433e 315 break;
Ratchapong 0:052d0f82433e 316 }
Ratchapong 0:052d0f82433e 317 }
Ratchapong 0:052d0f82433e 318
Ratchapong 0:052d0f82433e 319 //******************************************************************************************************
Ratchapong 0:052d0f82433e 320 int uLCD_4DGL :: readVERSION(char *command, int number) // read screen info and populate data
Ratchapong 0:052d0f82433e 321 {
Ratchapong 0:052d0f82433e 322
Ratchapong 0:052d0f82433e 323 int i, temp = 0, resp = 0;
Ratchapong 0:052d0f82433e 324 char response[5] = "";
Ratchapong 0:052d0f82433e 325
Ratchapong 0:052d0f82433e 326 freeBUFFER();
Ratchapong 0:052d0f82433e 327
Ratchapong 0:052d0f82433e 328 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
Ratchapong 0:052d0f82433e 329
Ratchapong 0:052d0f82433e 330 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
Ratchapong 0:052d0f82433e 331
Ratchapong 0:052d0f82433e 332 while (_cmd.readable() && resp < ARRAY_SIZE(response)) {
Ratchapong 0:052d0f82433e 333 temp = _cmd.getc();
Ratchapong 0:052d0f82433e 334 response[resp++] = (char)temp;
Ratchapong 0:052d0f82433e 335 }
Ratchapong 0:052d0f82433e 336 switch (resp) {
Ratchapong 0:052d0f82433e 337 case 2 : // if OK populate data and return 1
Ratchapong 0:052d0f82433e 338 revision = response[0]<<8 + response[1];
Ratchapong 0:052d0f82433e 339 resp = 1;
Ratchapong 0:052d0f82433e 340 break;
Ratchapong 0:052d0f82433e 341 default :
Ratchapong 0:052d0f82433e 342 resp = 0; // else return 0
Ratchapong 0:052d0f82433e 343 break;
Ratchapong 0:052d0f82433e 344 }
Ratchapong 0:052d0f82433e 345 return resp;
Ratchapong 0:052d0f82433e 346 }
Ratchapong 0:052d0f82433e 347
Ratchapong 0:052d0f82433e 348 //****************************************************************************************************
Ratchapong 0:052d0f82433e 349 void uLCD_4DGL :: background_color(int color) // set screen background color
Ratchapong 0:052d0f82433e 350 {
Ratchapong 0:052d0f82433e 351 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
Ratchapong 0:052d0f82433e 352
Ratchapong 0:052d0f82433e 353 command[0] = BCKGDCOLOR;
Ratchapong 0:052d0f82433e 354
Ratchapong 0:052d0f82433e 355 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Ratchapong 0:052d0f82433e 356 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Ratchapong 0:052d0f82433e 357 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Ratchapong 0:052d0f82433e 358
Ratchapong 0:052d0f82433e 359 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Ratchapong 0:052d0f82433e 360 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Ratchapong 0:052d0f82433e 361
Ratchapong 0:052d0f82433e 362 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 363 }
Ratchapong 0:052d0f82433e 364
Ratchapong 0:052d0f82433e 365 //****************************************************************************************************
Ratchapong 0:052d0f82433e 366 void uLCD_4DGL :: textbackground_color(int color) // set screen background color
Ratchapong 0:052d0f82433e 367 {
Ratchapong 0:052d0f82433e 368 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
Ratchapong 0:052d0f82433e 369
Ratchapong 0:052d0f82433e 370 command[0] = TXTBCKGDCOLOR;
Ratchapong 0:052d0f82433e 371
Ratchapong 0:052d0f82433e 372 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
Ratchapong 0:052d0f82433e 373 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
Ratchapong 0:052d0f82433e 374 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
Ratchapong 0:052d0f82433e 375
Ratchapong 0:052d0f82433e 376 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
Ratchapong 0:052d0f82433e 377 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
Ratchapong 0:052d0f82433e 378
Ratchapong 0:052d0f82433e 379 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 380 }
Ratchapong 0:052d0f82433e 381
Ratchapong 0:052d0f82433e 382 //****************************************************************************************************
Ratchapong 0:052d0f82433e 383 void uLCD_4DGL :: display_control(char mode) // set screen mode to value
Ratchapong 0:052d0f82433e 384 {
Ratchapong 0:052d0f82433e 385 char command[3]= "";
Ratchapong 0:052d0f82433e 386
Ratchapong 0:052d0f82433e 387 command[0] = DISPCONTROL;
Ratchapong 0:052d0f82433e 388 command[1] = 0;
Ratchapong 0:052d0f82433e 389 command[2] = mode;
Ratchapong 0:052d0f82433e 390
Ratchapong 0:052d0f82433e 391 if (mode == ORIENTATION) {
Ratchapong 0:052d0f82433e 392 switch (mode) {
Ratchapong 0:052d0f82433e 393 case LANDSCAPE :
Ratchapong 0:052d0f82433e 394 current_orientation = IS_LANDSCAPE;
Ratchapong 0:052d0f82433e 395 break;
Ratchapong 0:052d0f82433e 396 case LANDSCAPE_R :
Ratchapong 0:052d0f82433e 397 current_orientation = IS_LANDSCAPE;
Ratchapong 0:052d0f82433e 398 break;
Ratchapong 0:052d0f82433e 399 case PORTRAIT :
Ratchapong 0:052d0f82433e 400 current_orientation = IS_PORTRAIT;
Ratchapong 0:052d0f82433e 401 break;
Ratchapong 0:052d0f82433e 402 case PORTRAIT_R :
Ratchapong 0:052d0f82433e 403 current_orientation = IS_PORTRAIT;
Ratchapong 0:052d0f82433e 404 break;
Ratchapong 0:052d0f82433e 405 }
Ratchapong 0:052d0f82433e 406 }
Ratchapong 0:052d0f82433e 407 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 408 set_font(current_font);
Ratchapong 0:052d0f82433e 409 }
Ratchapong 0:052d0f82433e 410 //****************************************************************************************************
Ratchapong 0:052d0f82433e 411 void uLCD_4DGL :: display_power(char mode) // set screen mode to value
Ratchapong 0:052d0f82433e 412 {
Ratchapong 0:052d0f82433e 413 char command[3]= "";
Ratchapong 0:052d0f82433e 414
Ratchapong 0:052d0f82433e 415 command[0] = DISPPOWER;
Ratchapong 0:052d0f82433e 416 command[1] = 0;
Ratchapong 0:052d0f82433e 417 command[2] = mode;
Ratchapong 0:052d0f82433e 418 writeCOMMAND(command, 3);
Ratchapong 0:052d0f82433e 419 }
Ratchapong 0:052d0f82433e 420 //****************************************************************************************************
Ratchapong 0:052d0f82433e 421 void uLCD_4DGL :: set_volume(char value) // set sound volume to value
Ratchapong 0:052d0f82433e 422 {
Ratchapong 0:052d0f82433e 423 char command[2]= "";
Ratchapong 0:052d0f82433e 424
Ratchapong 0:052d0f82433e 425 command[0] = SETVOLUME;
Ratchapong 0:052d0f82433e 426 command[1] = value;
Ratchapong 0:052d0f82433e 427
Ratchapong 0:052d0f82433e 428 writeCOMMAND(command, 2);
Ratchapong 0:052d0f82433e 429 }
Ratchapong 0:052d0f82433e 430
Ratchapong 0:052d0f82433e 431
Ratchapong 0:052d0f82433e 432 //******************************************************************************************************
Ratchapong 0:052d0f82433e 433 int uLCD_4DGL :: getSTATUS(char *command, int number) // read screen info and populate data
Ratchapong 0:052d0f82433e 434 {
Ratchapong 0:052d0f82433e 435
Ratchapong 0:052d0f82433e 436 #if DEBUGMODE
Ratchapong 0:052d0f82433e 437 pc.printf("\n");
Ratchapong 0:052d0f82433e 438 pc.printf("New COMMAND : 0x%02X\n", command[0]);
Ratchapong 0:052d0f82433e 439 #endif
Ratchapong 0:052d0f82433e 440
Ratchapong 0:052d0f82433e 441 int i, temp = 0, resp = 0;
Ratchapong 0:052d0f82433e 442 char response[5] = "";
Ratchapong 0:052d0f82433e 443
Ratchapong 0:052d0f82433e 444 freeBUFFER();
Ratchapong 0:052d0f82433e 445
Ratchapong 0:052d0f82433e 446 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
Ratchapong 0:052d0f82433e 447
Ratchapong 0:052d0f82433e 448 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
Ratchapong 0:052d0f82433e 449
Ratchapong 0:052d0f82433e 450 while (_cmd.readable() && resp < ARRAY_SIZE(response)) {
Ratchapong 0:052d0f82433e 451 temp = _cmd.getc();
Ratchapong 0:052d0f82433e 452 response[resp++] = (char)temp;
Ratchapong 0:052d0f82433e 453 }
Ratchapong 0:052d0f82433e 454 switch (resp) {
Ratchapong 0:052d0f82433e 455 case 4 :
Ratchapong 0:052d0f82433e 456 resp = (int)response[1]; // if OK populate data
Ratchapong 0:052d0f82433e 457 break;
Ratchapong 0:052d0f82433e 458 default :
Ratchapong 0:052d0f82433e 459 resp = -1; // else return 0
Ratchapong 0:052d0f82433e 460 break;
Ratchapong 0:052d0f82433e 461 }
Ratchapong 0:052d0f82433e 462
Ratchapong 0:052d0f82433e 463 #if DEBUGMODE
Ratchapong 0:052d0f82433e 464 pc.printf(" Answer received : %d\n", resp);
Ratchapong 0:052d0f82433e 465 #endif
Ratchapong 0:052d0f82433e 466
Ratchapong 0:052d0f82433e 467 return resp;
Ratchapong 0:052d0f82433e 468 }
Ratchapong 0:052d0f82433e 469