Carter Montgomery / Mbed 2 deprecated Lab4

Finished Lab 4 Pt 1

Dependencies:   mbed Sounds PinDetect

LCDGraphics/uLCD_4DGL_main.cpp@0:daf9e2f8e1a1, 2019-04-05 (annotated)

Committer:
trmontgomery
Date:
Fri Apr 05 19:46:26 2019 +0000
Revision:
0:daf9e2f8e1a1
Finished Lab 4 pt 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
trmontgomery 0:daf9e2f8e1a1 1 //
trmontgomery 0:daf9e2f8e1a1 2 // uLCD_4DGL is a class to drive 4D Systems uLCD 144 G2
trmontgomery 0:daf9e2f8e1a1 3 //
trmontgomery 0:daf9e2f8e1a1 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
trmontgomery 0:daf9e2f8e1a1 5 // Modifed for Goldelox processor <2013> Jim Hamblen
trmontgomery 0:daf9e2f8e1a1 6 //
trmontgomery 0:daf9e2f8e1a1 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
trmontgomery 0:daf9e2f8e1a1 8 // it under the terms of the GNU General Public License as published by
trmontgomery 0:daf9e2f8e1a1 9 // the Free Software Foundation, either version 3 of the License, or
trmontgomery 0:daf9e2f8e1a1 10 // (at your option) any later version.
trmontgomery 0:daf9e2f8e1a1 11 //
trmontgomery 0:daf9e2f8e1a1 12 // uLCD_4DGL is distributed in the hope that it will be useful,
trmontgomery 0:daf9e2f8e1a1 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
trmontgomery 0:daf9e2f8e1a1 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
trmontgomery 0:daf9e2f8e1a1 15 // GNU General Public License for more details.
trmontgomery 0:daf9e2f8e1a1 16 //
trmontgomery 0:daf9e2f8e1a1 17 // You should have received a copy of the GNU General Public License
trmontgomery 0:daf9e2f8e1a1 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
trmontgomery 0:daf9e2f8e1a1 19
trmontgomery 0:daf9e2f8e1a1 20 #include "mbed.h"
trmontgomery 0:daf9e2f8e1a1 21 #include "uLCD_4DGL.h"
trmontgomery 0:daf9e2f8e1a1 22
trmontgomery 0:daf9e2f8e1a1 23 #define ARRAY_SIZE(X) sizeof(X)/sizeof(X[0])
trmontgomery 0:daf9e2f8e1a1 24
trmontgomery 0:daf9e2f8e1a1 25 //Serial pc(USBTX,USBRX);
trmontgomery 0:daf9e2f8e1a1 26
trmontgomery 0:daf9e2f8e1a1 27
trmontgomery 0:daf9e2f8e1a1 28 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 29 uLCD_4DGL :: uLCD_4DGL(PinName tx, PinName rx, PinName rst) : _cmd(tx, rx),
trmontgomery 0:daf9e2f8e1a1 30 _rst(rst)
trmontgomery 0:daf9e2f8e1a1 31 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 32 ,pc(USBTX, USBRX)
trmontgomery 0:daf9e2f8e1a1 33 #endif // DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 34 {
trmontgomery 0:daf9e2f8e1a1 35 // Constructor
trmontgomery 0:daf9e2f8e1a1 36 _cmd.baud(9600);
trmontgomery 0:daf9e2f8e1a1 37 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 38 pc.baud(115200);
trmontgomery 0:daf9e2f8e1a1 39
trmontgomery 0:daf9e2f8e1a1 40 pc.printf("\n\n\n");
trmontgomery 0:daf9e2f8e1a1 41 pc.printf("*********************\n");
trmontgomery 0:daf9e2f8e1a1 42 pc.printf("uLCD_4DGL CONSTRUCTOR\n");
trmontgomery 0:daf9e2f8e1a1 43 pc.printf("*********************\n");
trmontgomery 0:daf9e2f8e1a1 44 #endif
trmontgomery 0:daf9e2f8e1a1 45
trmontgomery 0:daf9e2f8e1a1 46 _rst = 1; // put RESET pin to high to start TFT screen
trmontgomery 0:daf9e2f8e1a1 47 reset();
trmontgomery 0:daf9e2f8e1a1 48 cls(); // clear screen
trmontgomery 0:daf9e2f8e1a1 49 current_col = 0; // initial cursor col
trmontgomery 0:daf9e2f8e1a1 50 current_row = 0; // initial cursor row
trmontgomery 0:daf9e2f8e1a1 51 current_color = WHITE; // initial text color
trmontgomery 0:daf9e2f8e1a1 52 current_orientation = IS_PORTRAIT; // initial screen orientation
trmontgomery 0:daf9e2f8e1a1 53 current_hf = 1;
trmontgomery 0:daf9e2f8e1a1 54 current_wf = 1;
trmontgomery 0:daf9e2f8e1a1 55 set_font(FONT_7X8); // initial font
trmontgomery 0:daf9e2f8e1a1 56 // text_mode(OPAQUE); // initial texr mode
trmontgomery 0:daf9e2f8e1a1 57 }
trmontgomery 0:daf9e2f8e1a1 58
trmontgomery 0:daf9e2f8e1a1 59 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 60 void uLCD_4DGL :: writeBYTE(char c) // send a BYTE command to screen
trmontgomery 0:daf9e2f8e1a1 61 {
trmontgomery 0:daf9e2f8e1a1 62
trmontgomery 0:daf9e2f8e1a1 63 _cmd.putc(c);
trmontgomery 0:daf9e2f8e1a1 64 wait_us(500); //mbed is too fast for LCD at high baud rates in some long commands
trmontgomery 0:daf9e2f8e1a1 65
trmontgomery 0:daf9e2f8e1a1 66 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 67 pc.printf(" Char sent : 0x%02X\n",c);
trmontgomery 0:daf9e2f8e1a1 68 #endif
trmontgomery 0:daf9e2f8e1a1 69
trmontgomery 0:daf9e2f8e1a1 70 }
trmontgomery 0:daf9e2f8e1a1 71
trmontgomery 0:daf9e2f8e1a1 72 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 73 void uLCD_4DGL :: writeBYTEfast(char c) // send a BYTE command to screen
trmontgomery 0:daf9e2f8e1a1 74 {
trmontgomery 0:daf9e2f8e1a1 75
trmontgomery 0:daf9e2f8e1a1 76 _cmd.putc(c);
trmontgomery 0:daf9e2f8e1a1 77 //wait_ms(0.0); //mbed is too fast for LCD at high baud rates - but not in short commands
trmontgomery 0:daf9e2f8e1a1 78
trmontgomery 0:daf9e2f8e1a1 79 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 80 pc.printf(" Char sent : 0x%02X\n",c);
trmontgomery 0:daf9e2f8e1a1 81 #endif
trmontgomery 0:daf9e2f8e1a1 82
trmontgomery 0:daf9e2f8e1a1 83 }
trmontgomery 0:daf9e2f8e1a1 84 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 85 void uLCD_4DGL :: freeBUFFER(void) // Clear serial buffer before writing command
trmontgomery 0:daf9e2f8e1a1 86 {
trmontgomery 0:daf9e2f8e1a1 87
trmontgomery 0:daf9e2f8e1a1 88 while (_cmd.readable()) _cmd.getc(); // clear buffer garbage
trmontgomery 0:daf9e2f8e1a1 89 }
trmontgomery 0:daf9e2f8e1a1 90
trmontgomery 0:daf9e2f8e1a1 91 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 92 int uLCD_4DGL :: writeCOMMAND(char *command, int number) // send several BYTES making a command and return an answer
trmontgomery 0:daf9e2f8e1a1 93 {
trmontgomery 0:daf9e2f8e1a1 94
trmontgomery 0:daf9e2f8e1a1 95 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 96 pc.printf("\n");
trmontgomery 0:daf9e2f8e1a1 97 pc.printf("New COMMAND : 0x%02X\n", command[0]);
trmontgomery 0:daf9e2f8e1a1 98 #endif
trmontgomery 0:daf9e2f8e1a1 99 int i, resp = 0;
trmontgomery 0:daf9e2f8e1a1 100 freeBUFFER();
trmontgomery 0:daf9e2f8e1a1 101 writeBYTE(0xFF);
trmontgomery 0:daf9e2f8e1a1 102 for (i = 0; i < number; i++) {
trmontgomery 0:daf9e2f8e1a1 103 if (i<16)
trmontgomery 0:daf9e2f8e1a1 104 writeBYTEfast(command[i]); // send command to serial port
trmontgomery 0:daf9e2f8e1a1 105 else
trmontgomery 0:daf9e2f8e1a1 106 writeBYTE(command[i]); // send command to serial port but slower
trmontgomery 0:daf9e2f8e1a1 107 }
trmontgomery 0:daf9e2f8e1a1 108 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
trmontgomery 0:daf9e2f8e1a1 109 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
trmontgomery 0:daf9e2f8e1a1 110 switch (resp) {
trmontgomery 0:daf9e2f8e1a1 111 case ACK : // if OK return 1
trmontgomery 0:daf9e2f8e1a1 112 resp = 1;
trmontgomery 0:daf9e2f8e1a1 113 break;
trmontgomery 0:daf9e2f8e1a1 114 case NAK : // if NOK return -1
trmontgomery 0:daf9e2f8e1a1 115 resp = -1;
trmontgomery 0:daf9e2f8e1a1 116 break;
trmontgomery 0:daf9e2f8e1a1 117 default :
trmontgomery 0:daf9e2f8e1a1 118 resp = 0; // else return 0
trmontgomery 0:daf9e2f8e1a1 119 break;
trmontgomery 0:daf9e2f8e1a1 120 }
trmontgomery 0:daf9e2f8e1a1 121 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 122 pc.printf(" Answer received : %d\n",resp);
trmontgomery 0:daf9e2f8e1a1 123 #endif
trmontgomery 0:daf9e2f8e1a1 124
trmontgomery 0:daf9e2f8e1a1 125 return resp;
trmontgomery 0:daf9e2f8e1a1 126 }
trmontgomery 0:daf9e2f8e1a1 127
trmontgomery 0:daf9e2f8e1a1 128 //**************************************************************************
trmontgomery 0:daf9e2f8e1a1 129 void uLCD_4DGL :: reset() // Reset Screen
trmontgomery 0:daf9e2f8e1a1 130 {
trmontgomery 0:daf9e2f8e1a1 131 wait_ms(5);
trmontgomery 0:daf9e2f8e1a1 132 _rst = 0; // put RESET pin to low
trmontgomery 0:daf9e2f8e1a1 133 wait_ms(5); // wait a few milliseconds for command reception
trmontgomery 0:daf9e2f8e1a1 134 _rst = 1; // put RESET back to high
trmontgomery 0:daf9e2f8e1a1 135 wait(3); // wait 3s for screen to restart
trmontgomery 0:daf9e2f8e1a1 136
trmontgomery 0:daf9e2f8e1a1 137 freeBUFFER(); // clean buffer from possible garbage
trmontgomery 0:daf9e2f8e1a1 138 }
trmontgomery 0:daf9e2f8e1a1 139 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 140 int uLCD_4DGL :: writeCOMMANDnull(char *command, int number) // send several BYTES making a command and return an answer
trmontgomery 0:daf9e2f8e1a1 141 {
trmontgomery 0:daf9e2f8e1a1 142
trmontgomery 0:daf9e2f8e1a1 143 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 144 pc.printf("\n");
trmontgomery 0:daf9e2f8e1a1 145 pc.printf("New COMMAND : 0x%02X\n", command[0]);
trmontgomery 0:daf9e2f8e1a1 146 #endif
trmontgomery 0:daf9e2f8e1a1 147 int i, resp = 0;
trmontgomery 0:daf9e2f8e1a1 148 freeBUFFER();
trmontgomery 0:daf9e2f8e1a1 149 writeBYTE(0x00); //command has a null prefix byte
trmontgomery 0:daf9e2f8e1a1 150 for (i = 0; i < number; i++) {
trmontgomery 0:daf9e2f8e1a1 151 if (i<16) //don't overflow LCD UART buffer
trmontgomery 0:daf9e2f8e1a1 152 writeBYTEfast(command[i]); // send command to serial port
trmontgomery 0:daf9e2f8e1a1 153 else
trmontgomery 0:daf9e2f8e1a1 154 writeBYTE(command[i]); // send command to serial port with delay
trmontgomery 0:daf9e2f8e1a1 155 }
trmontgomery 0:daf9e2f8e1a1 156 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
trmontgomery 0:daf9e2f8e1a1 157 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
trmontgomery 0:daf9e2f8e1a1 158 switch (resp) {
trmontgomery 0:daf9e2f8e1a1 159 case ACK : // if OK return 1
trmontgomery 0:daf9e2f8e1a1 160 resp = 1;
trmontgomery 0:daf9e2f8e1a1 161 break;
trmontgomery 0:daf9e2f8e1a1 162 case NAK : // if NOK return -1
trmontgomery 0:daf9e2f8e1a1 163 resp = -1;
trmontgomery 0:daf9e2f8e1a1 164 break;
trmontgomery 0:daf9e2f8e1a1 165 default :
trmontgomery 0:daf9e2f8e1a1 166 resp = 0; // else return 0
trmontgomery 0:daf9e2f8e1a1 167 break;
trmontgomery 0:daf9e2f8e1a1 168 }
trmontgomery 0:daf9e2f8e1a1 169 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 170 pc.printf(" Answer received : %d\n",resp);
trmontgomery 0:daf9e2f8e1a1 171 #endif
trmontgomery 0:daf9e2f8e1a1 172
trmontgomery 0:daf9e2f8e1a1 173 return resp;
trmontgomery 0:daf9e2f8e1a1 174 }
trmontgomery 0:daf9e2f8e1a1 175
trmontgomery 0:daf9e2f8e1a1 176 //**************************************************************************
trmontgomery 0:daf9e2f8e1a1 177 void uLCD_4DGL :: cls() // clear screen
trmontgomery 0:daf9e2f8e1a1 178 {
trmontgomery 0:daf9e2f8e1a1 179 char command[1] = "";
trmontgomery 0:daf9e2f8e1a1 180
trmontgomery 0:daf9e2f8e1a1 181 command[0] = CLS;
trmontgomery 0:daf9e2f8e1a1 182 writeCOMMAND(command, 1);
trmontgomery 0:daf9e2f8e1a1 183 current_row=0;
trmontgomery 0:daf9e2f8e1a1 184 current_col=0;
trmontgomery 0:daf9e2f8e1a1 185 current_hf = 1;
trmontgomery 0:daf9e2f8e1a1 186 current_wf = 1;
trmontgomery 0:daf9e2f8e1a1 187 set_font(FONT_7X8); // initial font
trmontgomery 0:daf9e2f8e1a1 188 }
trmontgomery 0:daf9e2f8e1a1 189
trmontgomery 0:daf9e2f8e1a1 190 //**************************************************************************
trmontgomery 0:daf9e2f8e1a1 191 int uLCD_4DGL :: version() // get API version
trmontgomery 0:daf9e2f8e1a1 192 {
trmontgomery 0:daf9e2f8e1a1 193
trmontgomery 0:daf9e2f8e1a1 194 char command[2] = "";
trmontgomery 0:daf9e2f8e1a1 195 command[0] = '\x00';
trmontgomery 0:daf9e2f8e1a1 196 command[1] = VERSION;
trmontgomery 0:daf9e2f8e1a1 197 return readVERSION(command, 2);
trmontgomery 0:daf9e2f8e1a1 198 }
trmontgomery 0:daf9e2f8e1a1 199
trmontgomery 0:daf9e2f8e1a1 200 //**************************************************************************
trmontgomery 0:daf9e2f8e1a1 201 void uLCD_4DGL :: baudrate(int speed) // set screen baud rate
trmontgomery 0:daf9e2f8e1a1 202 {
trmontgomery 0:daf9e2f8e1a1 203 char command[3]= "";
trmontgomery 0:daf9e2f8e1a1 204 writeBYTE(0x00);
trmontgomery 0:daf9e2f8e1a1 205 command[0] = BAUDRATE;
trmontgomery 0:daf9e2f8e1a1 206 command[1] = 0;
trmontgomery 0:daf9e2f8e1a1 207 int newbaud = BAUD_9600;
trmontgomery 0:daf9e2f8e1a1 208 switch (speed) {
trmontgomery 0:daf9e2f8e1a1 209 case 110 :
trmontgomery 0:daf9e2f8e1a1 210 newbaud = BAUD_110;
trmontgomery 0:daf9e2f8e1a1 211 break;
trmontgomery 0:daf9e2f8e1a1 212 case 300 :
trmontgomery 0:daf9e2f8e1a1 213 newbaud = BAUD_300;
trmontgomery 0:daf9e2f8e1a1 214 break;
trmontgomery 0:daf9e2f8e1a1 215 case 600 :
trmontgomery 0:daf9e2f8e1a1 216 newbaud = BAUD_600;
trmontgomery 0:daf9e2f8e1a1 217 break;
trmontgomery 0:daf9e2f8e1a1 218 case 1200 :
trmontgomery 0:daf9e2f8e1a1 219 newbaud = BAUD_1200;
trmontgomery 0:daf9e2f8e1a1 220 break;
trmontgomery 0:daf9e2f8e1a1 221 case 2400 :
trmontgomery 0:daf9e2f8e1a1 222 newbaud = BAUD_2400;
trmontgomery 0:daf9e2f8e1a1 223 break;
trmontgomery 0:daf9e2f8e1a1 224 case 4800 :
trmontgomery 0:daf9e2f8e1a1 225 newbaud = BAUD_4800;
trmontgomery 0:daf9e2f8e1a1 226 break;
trmontgomery 0:daf9e2f8e1a1 227 case 9600 :
trmontgomery 0:daf9e2f8e1a1 228 newbaud = BAUD_9600;
trmontgomery 0:daf9e2f8e1a1 229 break;
trmontgomery 0:daf9e2f8e1a1 230 case 14400 :
trmontgomery 0:daf9e2f8e1a1 231 newbaud = BAUD_14400;
trmontgomery 0:daf9e2f8e1a1 232 break;
trmontgomery 0:daf9e2f8e1a1 233 case 19200 :
trmontgomery 0:daf9e2f8e1a1 234 newbaud = BAUD_19200;
trmontgomery 0:daf9e2f8e1a1 235 break;
trmontgomery 0:daf9e2f8e1a1 236 case 31250 :
trmontgomery 0:daf9e2f8e1a1 237 newbaud = BAUD_31250;
trmontgomery 0:daf9e2f8e1a1 238 break;
trmontgomery 0:daf9e2f8e1a1 239 case 38400 :
trmontgomery 0:daf9e2f8e1a1 240 newbaud = BAUD_38400;
trmontgomery 0:daf9e2f8e1a1 241 break;
trmontgomery 0:daf9e2f8e1a1 242 case 56000 :
trmontgomery 0:daf9e2f8e1a1 243 newbaud = BAUD_56000;
trmontgomery 0:daf9e2f8e1a1 244 break;
trmontgomery 0:daf9e2f8e1a1 245 case 57600 :
trmontgomery 0:daf9e2f8e1a1 246 newbaud = BAUD_57600;
trmontgomery 0:daf9e2f8e1a1 247 break;
trmontgomery 0:daf9e2f8e1a1 248 case 115200 :
trmontgomery 0:daf9e2f8e1a1 249 newbaud = BAUD_115200;
trmontgomery 0:daf9e2f8e1a1 250 break;
trmontgomery 0:daf9e2f8e1a1 251 case 128000 :
trmontgomery 0:daf9e2f8e1a1 252 newbaud = BAUD_128000;
trmontgomery 0:daf9e2f8e1a1 253 break;
trmontgomery 0:daf9e2f8e1a1 254 case 256000 :
trmontgomery 0:daf9e2f8e1a1 255 newbaud = BAUD_256000;
trmontgomery 0:daf9e2f8e1a1 256 break;
trmontgomery 0:daf9e2f8e1a1 257 case 300000 :
trmontgomery 0:daf9e2f8e1a1 258 newbaud = BAUD_300000;
trmontgomery 0:daf9e2f8e1a1 259 speed = 272727;
trmontgomery 0:daf9e2f8e1a1 260 break;
trmontgomery 0:daf9e2f8e1a1 261 case 375000 :
trmontgomery 0:daf9e2f8e1a1 262 newbaud = BAUD_375000;
trmontgomery 0:daf9e2f8e1a1 263 speed = 333333;
trmontgomery 0:daf9e2f8e1a1 264 break;
trmontgomery 0:daf9e2f8e1a1 265 case 500000 :
trmontgomery 0:daf9e2f8e1a1 266 newbaud = BAUD_500000;
trmontgomery 0:daf9e2f8e1a1 267 speed = 428571;
trmontgomery 0:daf9e2f8e1a1 268 break;
trmontgomery 0:daf9e2f8e1a1 269 case 600000 :
trmontgomery 0:daf9e2f8e1a1 270 newbaud = BAUD_600000;
trmontgomery 0:daf9e2f8e1a1 271 break;
trmontgomery 0:daf9e2f8e1a1 272 case 750000 : //rates over 600000 are not documented, but seem to work
trmontgomery 0:daf9e2f8e1a1 273 newbaud = BAUD_750000;
trmontgomery 0:daf9e2f8e1a1 274 break;
trmontgomery 0:daf9e2f8e1a1 275 case 1000000 :
trmontgomery 0:daf9e2f8e1a1 276 newbaud = BAUD_1000000;
trmontgomery 0:daf9e2f8e1a1 277 break;
trmontgomery 0:daf9e2f8e1a1 278 case 1500000 :
trmontgomery 0:daf9e2f8e1a1 279 newbaud = BAUD_1500000;
trmontgomery 0:daf9e2f8e1a1 280 break;
trmontgomery 0:daf9e2f8e1a1 281 case 3000000 :
trmontgomery 0:daf9e2f8e1a1 282 newbaud = BAUD_3000000;
trmontgomery 0:daf9e2f8e1a1 283 break;
trmontgomery 0:daf9e2f8e1a1 284 default :
trmontgomery 0:daf9e2f8e1a1 285 newbaud = BAUD_9600;
trmontgomery 0:daf9e2f8e1a1 286 speed = 9600;
trmontgomery 0:daf9e2f8e1a1 287 break;
trmontgomery 0:daf9e2f8e1a1 288 }
trmontgomery 0:daf9e2f8e1a1 289
trmontgomery 0:daf9e2f8e1a1 290 int i, resp = 0;
trmontgomery 0:daf9e2f8e1a1 291
trmontgomery 0:daf9e2f8e1a1 292 freeBUFFER();
trmontgomery 0:daf9e2f8e1a1 293 command[1] = char(newbaud >>8);
trmontgomery 0:daf9e2f8e1a1 294 command[2] = char(newbaud % 256);
trmontgomery 0:daf9e2f8e1a1 295 wait_ms(1);
trmontgomery 0:daf9e2f8e1a1 296 for (i = 0; i <3; i++) writeBYTEfast(command[i]); // send command to serial port
trmontgomery 0:daf9e2f8e1a1 297 for (i = 0; i<10; i++) wait_ms(1);
trmontgomery 0:daf9e2f8e1a1 298 //dont change baud until all characters get sent out
trmontgomery 0:daf9e2f8e1a1 299 _cmd.baud(speed); // set mbed to same speed
trmontgomery 0:daf9e2f8e1a1 300 i=0;
trmontgomery 0:daf9e2f8e1a1 301 while ((!_cmd.readable()) && (i<25000)) {
trmontgomery 0:daf9e2f8e1a1 302 wait_ms(TEMPO); // wait for screen answer - comes 100ms after change
trmontgomery 0:daf9e2f8e1a1 303 i++; //timeout if ack character missed by baud change
trmontgomery 0:daf9e2f8e1a1 304 }
trmontgomery 0:daf9e2f8e1a1 305 if (_cmd.readable()) resp = _cmd.getc(); // read response if any
trmontgomery 0:daf9e2f8e1a1 306 switch (resp) {
trmontgomery 0:daf9e2f8e1a1 307 case ACK : // if OK return 1
trmontgomery 0:daf9e2f8e1a1 308 resp = 1;
trmontgomery 0:daf9e2f8e1a1 309 break;
trmontgomery 0:daf9e2f8e1a1 310 case NAK : // if NOK return -1
trmontgomery 0:daf9e2f8e1a1 311 resp = -1;
trmontgomery 0:daf9e2f8e1a1 312 break;
trmontgomery 0:daf9e2f8e1a1 313 default :
trmontgomery 0:daf9e2f8e1a1 314 resp = 0; // else return 0
trmontgomery 0:daf9e2f8e1a1 315 break;
trmontgomery 0:daf9e2f8e1a1 316 }
trmontgomery 0:daf9e2f8e1a1 317 }
trmontgomery 0:daf9e2f8e1a1 318
trmontgomery 0:daf9e2f8e1a1 319 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 320 int uLCD_4DGL :: readVERSION(char *command, int number) // read screen info and populate data
trmontgomery 0:daf9e2f8e1a1 321 {
trmontgomery 0:daf9e2f8e1a1 322
trmontgomery 0:daf9e2f8e1a1 323 int i, temp = 0, resp = 0;
trmontgomery 0:daf9e2f8e1a1 324 char response[5] = "";
trmontgomery 0:daf9e2f8e1a1 325
trmontgomery 0:daf9e2f8e1a1 326 freeBUFFER();
trmontgomery 0:daf9e2f8e1a1 327
trmontgomery 0:daf9e2f8e1a1 328 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
trmontgomery 0:daf9e2f8e1a1 329
trmontgomery 0:daf9e2f8e1a1 330 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
trmontgomery 0:daf9e2f8e1a1 331
trmontgomery 0:daf9e2f8e1a1 332 while (_cmd.readable() && resp < ARRAY_SIZE(response)) {
trmontgomery 0:daf9e2f8e1a1 333 temp = _cmd.getc();
trmontgomery 0:daf9e2f8e1a1 334 response[resp++] = (char)temp;
trmontgomery 0:daf9e2f8e1a1 335 }
trmontgomery 0:daf9e2f8e1a1 336 switch (resp) {
trmontgomery 0:daf9e2f8e1a1 337 case 2 : // if OK populate data and return 1
trmontgomery 0:daf9e2f8e1a1 338 revision = response[0]<<8 + response[1];
trmontgomery 0:daf9e2f8e1a1 339 resp = 1;
trmontgomery 0:daf9e2f8e1a1 340 break;
trmontgomery 0:daf9e2f8e1a1 341 default :
trmontgomery 0:daf9e2f8e1a1 342 resp = 0; // else return 0
trmontgomery 0:daf9e2f8e1a1 343 break;
trmontgomery 0:daf9e2f8e1a1 344 }
trmontgomery 0:daf9e2f8e1a1 345 return resp;
trmontgomery 0:daf9e2f8e1a1 346 }
trmontgomery 0:daf9e2f8e1a1 347
trmontgomery 0:daf9e2f8e1a1 348 //****************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 349 void uLCD_4DGL :: background_color(int color) // set screen background color
trmontgomery 0:daf9e2f8e1a1 350 {
trmontgomery 0:daf9e2f8e1a1 351 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
trmontgomery 0:daf9e2f8e1a1 352
trmontgomery 0:daf9e2f8e1a1 353 command[0] = BCKGDCOLOR;
trmontgomery 0:daf9e2f8e1a1 354
trmontgomery 0:daf9e2f8e1a1 355 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
trmontgomery 0:daf9e2f8e1a1 356 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
trmontgomery 0:daf9e2f8e1a1 357 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
trmontgomery 0:daf9e2f8e1a1 358
trmontgomery 0:daf9e2f8e1a1 359 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
trmontgomery 0:daf9e2f8e1a1 360 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
trmontgomery 0:daf9e2f8e1a1 361
trmontgomery 0:daf9e2f8e1a1 362 writeCOMMAND(command, 3);
trmontgomery 0:daf9e2f8e1a1 363 }
trmontgomery 0:daf9e2f8e1a1 364
trmontgomery 0:daf9e2f8e1a1 365 //****************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 366 void uLCD_4DGL :: textbackground_color(int color) // set screen background color
trmontgomery 0:daf9e2f8e1a1 367 {
trmontgomery 0:daf9e2f8e1a1 368 char command[3]= ""; // input color is in 24bits like 0xRRGGBB
trmontgomery 0:daf9e2f8e1a1 369
trmontgomery 0:daf9e2f8e1a1 370 command[0] = TXTBCKGDCOLOR;
trmontgomery 0:daf9e2f8e1a1 371
trmontgomery 0:daf9e2f8e1a1 372 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
trmontgomery 0:daf9e2f8e1a1 373 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
trmontgomery 0:daf9e2f8e1a1 374 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
trmontgomery 0:daf9e2f8e1a1 375
trmontgomery 0:daf9e2f8e1a1 376 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
trmontgomery 0:daf9e2f8e1a1 377 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
trmontgomery 0:daf9e2f8e1a1 378
trmontgomery 0:daf9e2f8e1a1 379 writeCOMMAND(command, 3);
trmontgomery 0:daf9e2f8e1a1 380 }
trmontgomery 0:daf9e2f8e1a1 381
trmontgomery 0:daf9e2f8e1a1 382 //****************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 383 void uLCD_4DGL :: display_control(char mode) // set screen mode to value
trmontgomery 0:daf9e2f8e1a1 384 {
trmontgomery 0:daf9e2f8e1a1 385 char command[3]= "";
trmontgomery 0:daf9e2f8e1a1 386
trmontgomery 0:daf9e2f8e1a1 387 command[0] = DISPCONTROL;
trmontgomery 0:daf9e2f8e1a1 388 command[1] = 0;
trmontgomery 0:daf9e2f8e1a1 389 command[2] = mode;
trmontgomery 0:daf9e2f8e1a1 390
trmontgomery 0:daf9e2f8e1a1 391 if (mode == ORIENTATION) {
trmontgomery 0:daf9e2f8e1a1 392 switch (mode) {
trmontgomery 0:daf9e2f8e1a1 393 case LANDSCAPE :
trmontgomery 0:daf9e2f8e1a1 394 current_orientation = IS_LANDSCAPE;
trmontgomery 0:daf9e2f8e1a1 395 break;
trmontgomery 0:daf9e2f8e1a1 396 case LANDSCAPE_R :
trmontgomery 0:daf9e2f8e1a1 397 current_orientation = IS_LANDSCAPE;
trmontgomery 0:daf9e2f8e1a1 398 break;
trmontgomery 0:daf9e2f8e1a1 399 case PORTRAIT :
trmontgomery 0:daf9e2f8e1a1 400 current_orientation = IS_PORTRAIT;
trmontgomery 0:daf9e2f8e1a1 401 break;
trmontgomery 0:daf9e2f8e1a1 402 case PORTRAIT_R :
trmontgomery 0:daf9e2f8e1a1 403 current_orientation = IS_PORTRAIT;
trmontgomery 0:daf9e2f8e1a1 404 break;
trmontgomery 0:daf9e2f8e1a1 405 }
trmontgomery 0:daf9e2f8e1a1 406 }
trmontgomery 0:daf9e2f8e1a1 407 writeCOMMAND(command, 3);
trmontgomery 0:daf9e2f8e1a1 408 set_font(current_font);
trmontgomery 0:daf9e2f8e1a1 409 }
trmontgomery 0:daf9e2f8e1a1 410 //****************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 411 void uLCD_4DGL :: display_power(char mode) // set screen mode to value
trmontgomery 0:daf9e2f8e1a1 412 {
trmontgomery 0:daf9e2f8e1a1 413 char command[3]= "";
trmontgomery 0:daf9e2f8e1a1 414
trmontgomery 0:daf9e2f8e1a1 415 command[0] = DISPPOWER;
trmontgomery 0:daf9e2f8e1a1 416 command[1] = 0;
trmontgomery 0:daf9e2f8e1a1 417 command[2] = mode;
trmontgomery 0:daf9e2f8e1a1 418 writeCOMMAND(command, 3);
trmontgomery 0:daf9e2f8e1a1 419 }
trmontgomery 0:daf9e2f8e1a1 420 //****************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 421 void uLCD_4DGL :: set_volume(char value) // set sound volume to value
trmontgomery 0:daf9e2f8e1a1 422 {
trmontgomery 0:daf9e2f8e1a1 423 char command[2]= "";
trmontgomery 0:daf9e2f8e1a1 424
trmontgomery 0:daf9e2f8e1a1 425 command[0] = SETVOLUME;
trmontgomery 0:daf9e2f8e1a1 426 command[1] = value;
trmontgomery 0:daf9e2f8e1a1 427
trmontgomery 0:daf9e2f8e1a1 428 writeCOMMAND(command, 2);
trmontgomery 0:daf9e2f8e1a1 429 }
trmontgomery 0:daf9e2f8e1a1 430
trmontgomery 0:daf9e2f8e1a1 431
trmontgomery 0:daf9e2f8e1a1 432 //******************************************************************************************************
trmontgomery 0:daf9e2f8e1a1 433 int uLCD_4DGL :: getSTATUS(char *command, int number) // read screen info and populate data
trmontgomery 0:daf9e2f8e1a1 434 {
trmontgomery 0:daf9e2f8e1a1 435
trmontgomery 0:daf9e2f8e1a1 436 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 437 pc.printf("\n");
trmontgomery 0:daf9e2f8e1a1 438 pc.printf("New COMMAND : 0x%02X\n", command[0]);
trmontgomery 0:daf9e2f8e1a1 439 #endif
trmontgomery 0:daf9e2f8e1a1 440
trmontgomery 0:daf9e2f8e1a1 441 int i, temp = 0, resp = 0;
trmontgomery 0:daf9e2f8e1a1 442 char response[5] = "";
trmontgomery 0:daf9e2f8e1a1 443
trmontgomery 0:daf9e2f8e1a1 444 freeBUFFER();
trmontgomery 0:daf9e2f8e1a1 445
trmontgomery 0:daf9e2f8e1a1 446 for (i = 0; i < number; i++) writeBYTE(command[i]); // send all chars to serial port
trmontgomery 0:daf9e2f8e1a1 447
trmontgomery 0:daf9e2f8e1a1 448 while (!_cmd.readable()) wait_ms(TEMPO); // wait for screen answer
trmontgomery 0:daf9e2f8e1a1 449
trmontgomery 0:daf9e2f8e1a1 450 while (_cmd.readable() && resp < ARRAY_SIZE(response)) {
trmontgomery 0:daf9e2f8e1a1 451 temp = _cmd.getc();
trmontgomery 0:daf9e2f8e1a1 452 response[resp++] = (char)temp;
trmontgomery 0:daf9e2f8e1a1 453 }
trmontgomery 0:daf9e2f8e1a1 454 switch (resp) {
trmontgomery 0:daf9e2f8e1a1 455 case 4 :
trmontgomery 0:daf9e2f8e1a1 456 resp = (int)response[1]; // if OK populate data
trmontgomery 0:daf9e2f8e1a1 457 break;
trmontgomery 0:daf9e2f8e1a1 458 default :
trmontgomery 0:daf9e2f8e1a1 459 resp = -1; // else return 0
trmontgomery 0:daf9e2f8e1a1 460 break;
trmontgomery 0:daf9e2f8e1a1 461 }
trmontgomery 0:daf9e2f8e1a1 462
trmontgomery 0:daf9e2f8e1a1 463 #if DEBUGMODE
trmontgomery 0:daf9e2f8e1a1 464 pc.printf(" Answer received : %d\n", resp);
trmontgomery 0:daf9e2f8e1a1 465 #endif
trmontgomery 0:daf9e2f8e1a1 466
trmontgomery 0:daf9e2f8e1a1 467 return resp;
trmontgomery 0:daf9e2f8e1a1 468 }
trmontgomery 0:daf9e2f8e1a1 469
trmontgomery 0:daf9e2f8e1a1 470