TJ Forshee / TFT

Library to support using the 2.8" TFT Touch Shield v1.0 - made by Seeed Studio - for Arduino This shield uses either the SPFD5408A or ST7781R display chip.

tft.cpp@0:93976d4026d3, 2015-02-05 (annotated)

Committer:
tj4shee
Date:
Thu Feb 05 19:39:58 2015 +0000
Revision:
0:93976d4026d3
Initial version of library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tj4shee 0:93976d4026d3 1 /*
tj4shee 0:93976d4026d3 2 SPFD5408A or ST7781R TFT Library.
tj4shee 0:93976d4026d3 3
tj4shee 0:93976d4026d3 4 2015 Copyright (c) Bluegrass Digital Inc.
tj4shee 0:93976d4026d3 5
tj4shee 0:93976d4026d3 6 Authors: TJ Forshee (with initializtion code from TFT vendor)
tj4shee 0:93976d4026d3 7
tj4shee 0:93976d4026d3 8 This library is free software; you can redistribute it and/or
tj4shee 0:93976d4026d3 9 modify it under the terms of the GNU Lesser General Public
tj4shee 0:93976d4026d3 10 License as published by the Free Software Foundation; either
tj4shee 0:93976d4026d3 11 version 2.1 of the License, or (at your option) any later version.
tj4shee 0:93976d4026d3 12
tj4shee 0:93976d4026d3 13 This library is distributed in the hope that it will be useful,
tj4shee 0:93976d4026d3 14 but WITHOUT ANY WARRANTY; without even the implied warranty of
tj4shee 0:93976d4026d3 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
tj4shee 0:93976d4026d3 16 Lesser General Public License for more details.
tj4shee 0:93976d4026d3 17
tj4shee 0:93976d4026d3 18 You should have received a copy of the GNU Lesser General Public
tj4shee 0:93976d4026d3 19 License along with this library; if not, write to the Free Software
tj4shee 0:93976d4026d3 20 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
tj4shee 0:93976d4026d3 21
tj4shee 0:93976d4026d3 22 */
tj4shee 0:93976d4026d3 23
tj4shee 0:93976d4026d3 24 #include "tft.h"
tj4shee 0:93976d4026d3 25
tj4shee 0:93976d4026d3 26 BusInOut lcd_data(D2, D3, D4, D5, D6, D7, D8, D9);
tj4shee 0:93976d4026d3 27 DigitalOut CS_BIT(D10);
tj4shee 0:93976d4026d3 28 DigitalOut RS_BIT(D11);
tj4shee 0:93976d4026d3 29 DigitalOut WR_BIT(D12);
tj4shee 0:93976d4026d3 30 DigitalOut RD_BIT(D13);
tj4shee 0:93976d4026d3 31
tj4shee 0:93976d4026d3 32 void TFT::pushData(unsigned char data)
tj4shee 0:93976d4026d3 33 {
tj4shee 0:93976d4026d3 34 //lcd_data.output();
tj4shee 0:93976d4026d3 35 lcd_data.write(data);
tj4shee 0:93976d4026d3 36 }
tj4shee 0:93976d4026d3 37
tj4shee 0:93976d4026d3 38 unsigned char TFT::getData(void)
tj4shee 0:93976d4026d3 39 {
tj4shee 0:93976d4026d3 40 //unsigned char data=0;
tj4shee 0:93976d4026d3 41 //delay(1);
tj4shee 0:93976d4026d3 42 // data |= ((PIND&0xfc)>>2);
tj4shee 0:93976d4026d3 43 // data |= ((PINB&0x03)<<6);
tj4shee 0:93976d4026d3 44 wait(0.001);
tj4shee 0:93976d4026d3 45 //lcd_data.input(); // ??????????? will this clear the inputs ?
tj4shee 0:93976d4026d3 46 return lcd_data.read();
tj4shee 0:93976d4026d3 47 }
tj4shee 0:93976d4026d3 48
tj4shee 0:93976d4026d3 49 void TFT::sendCommand(unsigned int index)
tj4shee 0:93976d4026d3 50 {
tj4shee 0:93976d4026d3 51 CS_LOW();
tj4shee 0:93976d4026d3 52 RS_LOW();
tj4shee 0:93976d4026d3 53 RD_HIGH();
tj4shee 0:93976d4026d3 54 WR_HIGH();
tj4shee 0:93976d4026d3 55
tj4shee 0:93976d4026d3 56 WR_LOW();
tj4shee 0:93976d4026d3 57 pushData(0);
tj4shee 0:93976d4026d3 58 WR_HIGH();
tj4shee 0:93976d4026d3 59
tj4shee 0:93976d4026d3 60 WR_LOW();
tj4shee 0:93976d4026d3 61 pushData(index&0xff);
tj4shee 0:93976d4026d3 62 WR_HIGH();
tj4shee 0:93976d4026d3 63
tj4shee 0:93976d4026d3 64 CS_HIGH();
tj4shee 0:93976d4026d3 65 }
tj4shee 0:93976d4026d3 66
tj4shee 0:93976d4026d3 67 void TFT::sendData(unsigned int data)
tj4shee 0:93976d4026d3 68 {
tj4shee 0:93976d4026d3 69 CS_LOW();
tj4shee 0:93976d4026d3 70 RS_HIGH();
tj4shee 0:93976d4026d3 71 RD_HIGH();
tj4shee 0:93976d4026d3 72
tj4shee 0:93976d4026d3 73 WR_LOW();
tj4shee 0:93976d4026d3 74 pushData((data&0xff00)>>8);
tj4shee 0:93976d4026d3 75 WR_HIGH();
tj4shee 0:93976d4026d3 76
tj4shee 0:93976d4026d3 77 WR_LOW();
tj4shee 0:93976d4026d3 78 pushData(data&0xff);
tj4shee 0:93976d4026d3 79 WR_HIGH();
tj4shee 0:93976d4026d3 80
tj4shee 0:93976d4026d3 81 CS_HIGH();
tj4shee 0:93976d4026d3 82 }
tj4shee 0:93976d4026d3 83
tj4shee 0:93976d4026d3 84 unsigned int TFT::readRegister(unsigned int index)
tj4shee 0:93976d4026d3 85 {
tj4shee 0:93976d4026d3 86 unsigned int data=0;
tj4shee 0:93976d4026d3 87
tj4shee 0:93976d4026d3 88 CS_LOW();
tj4shee 0:93976d4026d3 89 RS_LOW();
tj4shee 0:93976d4026d3 90 RD_HIGH();
tj4shee 0:93976d4026d3 91
tj4shee 0:93976d4026d3 92 all_pin_output();
tj4shee 0:93976d4026d3 93
tj4shee 0:93976d4026d3 94 WR_LOW();
tj4shee 0:93976d4026d3 95 pushData(0);
tj4shee 0:93976d4026d3 96 WR_HIGH();
tj4shee 0:93976d4026d3 97
tj4shee 0:93976d4026d3 98 WR_LOW();
tj4shee 0:93976d4026d3 99 pushData(index);
tj4shee 0:93976d4026d3 100 WR_HIGH();
tj4shee 0:93976d4026d3 101
tj4shee 0:93976d4026d3 102 all_pin_input();
tj4shee 0:93976d4026d3 103 all_pin_low();
tj4shee 0:93976d4026d3 104 RS_HIGH();
tj4shee 0:93976d4026d3 105
tj4shee 0:93976d4026d3 106 RD_LOW();
tj4shee 0:93976d4026d3 107 data |= getData()<<8;
tj4shee 0:93976d4026d3 108 RD_HIGH();
tj4shee 0:93976d4026d3 109
tj4shee 0:93976d4026d3 110 RD_LOW();
tj4shee 0:93976d4026d3 111 data |= getData();
tj4shee 0:93976d4026d3 112 RD_HIGH();
tj4shee 0:93976d4026d3 113
tj4shee 0:93976d4026d3 114 CS_HIGH();
tj4shee 0:93976d4026d3 115 all_pin_output();
tj4shee 0:93976d4026d3 116 return data;
tj4shee 0:93976d4026d3 117 }
tj4shee 0:93976d4026d3 118
tj4shee 0:93976d4026d3 119 void TFT::init (void)
tj4shee 0:93976d4026d3 120 {
tj4shee 0:93976d4026d3 121 //CS_OUTPUT;
tj4shee 0:93976d4026d3 122 CS_HIGH();
tj4shee 0:93976d4026d3 123 //RD_OUTPUT;
tj4shee 0:93976d4026d3 124 //WR_OUTPUT;
tj4shee 0:93976d4026d3 125 //RS_OUTPUT;
tj4shee 0:93976d4026d3 126
tj4shee 0:93976d4026d3 127 Tft.all_pin_output();
tj4shee 0:93976d4026d3 128 Tft.all_pin_low();
tj4shee 0:93976d4026d3 129
tj4shee 0:93976d4026d3 130 wait(0.1);
tj4shee 0:93976d4026d3 131 IC_CODE = readRegister(0x0);
tj4shee 0:93976d4026d3 132
tj4shee 0:93976d4026d3 133 if(IC_CODE == 0x5408)
tj4shee 0:93976d4026d3 134 {
tj4shee 0:93976d4026d3 135 sendCommand(0x0000);
tj4shee 0:93976d4026d3 136 sendData(0x0001);
tj4shee 0:93976d4026d3 137 wait(0.1);
tj4shee 0:93976d4026d3 138
tj4shee 0:93976d4026d3 139 sendCommand(0x0001);
tj4shee 0:93976d4026d3 140 sendData(0x0000);
tj4shee 0:93976d4026d3 141 sendCommand(0x0002);
tj4shee 0:93976d4026d3 142 sendData(0x0700);
tj4shee 0:93976d4026d3 143 sendCommand(0x0003);
tj4shee 0:93976d4026d3 144 sendData(0x1030);
tj4shee 0:93976d4026d3 145 sendCommand(0x0004);
tj4shee 0:93976d4026d3 146 sendData(0x0000);
tj4shee 0:93976d4026d3 147 sendCommand(0x0008);
tj4shee 0:93976d4026d3 148 sendData(0x0207);
tj4shee 0:93976d4026d3 149 sendCommand(0x0009);
tj4shee 0:93976d4026d3 150 sendData(0x0000);
tj4shee 0:93976d4026d3 151 sendCommand(0x000A);
tj4shee 0:93976d4026d3 152 sendData(0x0000);
tj4shee 0:93976d4026d3 153 sendCommand(0x000C);
tj4shee 0:93976d4026d3 154 sendData(0x0000);
tj4shee 0:93976d4026d3 155 sendCommand(0x000D);
tj4shee 0:93976d4026d3 156 sendData(0x0000);
tj4shee 0:93976d4026d3 157 sendCommand(0x000F);
tj4shee 0:93976d4026d3 158 sendData(0x0000);
tj4shee 0:93976d4026d3 159 //power on sequence VGHVGL
tj4shee 0:93976d4026d3 160 sendCommand(0x0010);
tj4shee 0:93976d4026d3 161 sendData(0x0000);
tj4shee 0:93976d4026d3 162 sendCommand(0x0011);
tj4shee 0:93976d4026d3 163 sendData(0x0007);
tj4shee 0:93976d4026d3 164 sendCommand(0x0012);
tj4shee 0:93976d4026d3 165 sendData(0x0000);
tj4shee 0:93976d4026d3 166 sendCommand(0x0013);
tj4shee 0:93976d4026d3 167 sendData(0x0000);
tj4shee 0:93976d4026d3 168 //vgh
tj4shee 0:93976d4026d3 169 sendCommand(0x0010);
tj4shee 0:93976d4026d3 170 sendData(0x1290);
tj4shee 0:93976d4026d3 171 sendCommand(0x0011);
tj4shee 0:93976d4026d3 172 sendData(0x0227);
tj4shee 0:93976d4026d3 173 wait(0.1);
tj4shee 0:93976d4026d3 174 //vregiout
tj4shee 0:93976d4026d3 175 sendCommand(0x0012);
tj4shee 0:93976d4026d3 176 sendData(0x001d); //0x001b
tj4shee 0:93976d4026d3 177 wait(0.1);
tj4shee 0:93976d4026d3 178 //vom amplitude
tj4shee 0:93976d4026d3 179 sendCommand(0x0013);
tj4shee 0:93976d4026d3 180 sendData(0x1500);
tj4shee 0:93976d4026d3 181 wait(0.1);
tj4shee 0:93976d4026d3 182 //vom H
tj4shee 0:93976d4026d3 183 sendCommand(0x0029);
tj4shee 0:93976d4026d3 184 sendData(0x0018);
tj4shee 0:93976d4026d3 185 sendCommand(0x002B);
tj4shee 0:93976d4026d3 186 sendData(0x000D);
tj4shee 0:93976d4026d3 187
tj4shee 0:93976d4026d3 188 //gamma
tj4shee 0:93976d4026d3 189 sendCommand(0x0030);
tj4shee 0:93976d4026d3 190 sendData(0x0004);
tj4shee 0:93976d4026d3 191 sendCommand(0x0031);
tj4shee 0:93976d4026d3 192 sendData(0x0307);
tj4shee 0:93976d4026d3 193 sendCommand(0x0032);
tj4shee 0:93976d4026d3 194 sendData(0x0002);// 0006
tj4shee 0:93976d4026d3 195 sendCommand(0x0035);
tj4shee 0:93976d4026d3 196 sendData(0x0206);
tj4shee 0:93976d4026d3 197 sendCommand(0x0036);
tj4shee 0:93976d4026d3 198 sendData(0x0408);
tj4shee 0:93976d4026d3 199 sendCommand(0x0037);
tj4shee 0:93976d4026d3 200 sendData(0x0507);
tj4shee 0:93976d4026d3 201 sendCommand(0x0038);
tj4shee 0:93976d4026d3 202 sendData(0x0204);//0200
tj4shee 0:93976d4026d3 203 sendCommand(0x0039);
tj4shee 0:93976d4026d3 204 sendData(0x0707);
tj4shee 0:93976d4026d3 205 sendCommand(0x003C);
tj4shee 0:93976d4026d3 206 sendData(0x0405);// 0504
tj4shee 0:93976d4026d3 207 sendCommand(0x003D);
tj4shee 0:93976d4026d3 208 sendData(0x0F02);
tj4shee 0:93976d4026d3 209 //ram
tj4shee 0:93976d4026d3 210 sendCommand(0x0050);
tj4shee 0:93976d4026d3 211 sendData(0x0000);
tj4shee 0:93976d4026d3 212 sendCommand(0x0051);
tj4shee 0:93976d4026d3 213 sendData(0x00EF);
tj4shee 0:93976d4026d3 214 sendCommand(0x0052);
tj4shee 0:93976d4026d3 215 sendData(0x0000);
tj4shee 0:93976d4026d3 216 sendCommand(0x0053);
tj4shee 0:93976d4026d3 217 sendData(0x013F);
tj4shee 0:93976d4026d3 218 sendCommand(0x0060);
tj4shee 0:93976d4026d3 219 sendData(0xA700);
tj4shee 0:93976d4026d3 220 sendCommand(0x0061);
tj4shee 0:93976d4026d3 221 sendData(0x0001);
tj4shee 0:93976d4026d3 222 sendCommand(0x006A);
tj4shee 0:93976d4026d3 223 sendData(0x0000);
tj4shee 0:93976d4026d3 224 //
tj4shee 0:93976d4026d3 225 sendCommand(0x0080);
tj4shee 0:93976d4026d3 226 sendData(0x0000);
tj4shee 0:93976d4026d3 227 sendCommand(0x0081);
tj4shee 0:93976d4026d3 228 sendData(0x0000);
tj4shee 0:93976d4026d3 229 sendCommand(0x0082);
tj4shee 0:93976d4026d3 230 sendData(0x0000);
tj4shee 0:93976d4026d3 231 sendCommand(0x0083);
tj4shee 0:93976d4026d3 232 sendData(0x0000);
tj4shee 0:93976d4026d3 233 sendCommand(0x0084);
tj4shee 0:93976d4026d3 234 sendData(0x0000);
tj4shee 0:93976d4026d3 235 sendCommand(0x0085);
tj4shee 0:93976d4026d3 236 sendData(0x0000);
tj4shee 0:93976d4026d3 237 //
tj4shee 0:93976d4026d3 238 sendCommand(0x0090);
tj4shee 0:93976d4026d3 239 sendData(0x0010);
tj4shee 0:93976d4026d3 240 sendCommand(0x0092);
tj4shee 0:93976d4026d3 241 sendData(0x0600);
tj4shee 0:93976d4026d3 242 sendCommand(0x0093);
tj4shee 0:93976d4026d3 243 sendData(0x0003);
tj4shee 0:93976d4026d3 244 sendCommand(0x0095);
tj4shee 0:93976d4026d3 245 sendData(0x0110);
tj4shee 0:93976d4026d3 246 sendCommand(0x0097);
tj4shee 0:93976d4026d3 247 sendData(0x0000);
tj4shee 0:93976d4026d3 248 sendCommand(0x0098);
tj4shee 0:93976d4026d3 249 sendData(0x0000);
tj4shee 0:93976d4026d3 250 sendCommand(0x0007);
tj4shee 0:93976d4026d3 251 sendData(0x0133);
tj4shee 0:93976d4026d3 252
tj4shee 0:93976d4026d3 253 sendCommand(0x0022);//Start to write to display RAM
tj4shee 0:93976d4026d3 254
tj4shee 0:93976d4026d3 255 }
tj4shee 0:93976d4026d3 256 else
tj4shee 0:93976d4026d3 257 {
tj4shee 0:93976d4026d3 258
tj4shee 0:93976d4026d3 259 sendCommand(0x0001);
tj4shee 0:93976d4026d3 260 sendData(0x0100);
tj4shee 0:93976d4026d3 261 sendCommand(0x0002);
tj4shee 0:93976d4026d3 262 sendData(0x0700);
tj4shee 0:93976d4026d3 263 sendCommand(0x0003);
tj4shee 0:93976d4026d3 264 sendData(0x1030);
tj4shee 0:93976d4026d3 265 sendCommand(0x0004);
tj4shee 0:93976d4026d3 266 sendData(0x0000);
tj4shee 0:93976d4026d3 267 sendCommand(0x0008);
tj4shee 0:93976d4026d3 268 sendData(0x0302);
tj4shee 0:93976d4026d3 269
tj4shee 0:93976d4026d3 270 sendCommand(0x000A);
tj4shee 0:93976d4026d3 271 sendData(0x0000);
tj4shee 0:93976d4026d3 272 sendCommand(0x000C);
tj4shee 0:93976d4026d3 273 sendData(0x0000);
tj4shee 0:93976d4026d3 274 sendCommand(0x000D);
tj4shee 0:93976d4026d3 275 sendData(0x0000);
tj4shee 0:93976d4026d3 276 sendCommand(0x000F);
tj4shee 0:93976d4026d3 277 sendData(0x0000);
tj4shee 0:93976d4026d3 278
tj4shee 0:93976d4026d3 279 wait(0.1);
tj4shee 0:93976d4026d3 280
tj4shee 0:93976d4026d3 281 sendCommand(0x0030);
tj4shee 0:93976d4026d3 282 sendData(0x0000);
tj4shee 0:93976d4026d3 283 sendCommand(0x0031);
tj4shee 0:93976d4026d3 284 sendData(0x0405);
tj4shee 0:93976d4026d3 285 sendCommand(0x0032);
tj4shee 0:93976d4026d3 286 sendData(0x0203);
tj4shee 0:93976d4026d3 287 sendCommand(0x0035);
tj4shee 0:93976d4026d3 288 sendData(0x0004);
tj4shee 0:93976d4026d3 289 sendCommand(0x0036);
tj4shee 0:93976d4026d3 290 sendData(0x0B07);
tj4shee 0:93976d4026d3 291 sendCommand(0x0037);
tj4shee 0:93976d4026d3 292 sendData(0x0000);
tj4shee 0:93976d4026d3 293 sendCommand(0x0038);
tj4shee 0:93976d4026d3 294 sendData(0x0405);
tj4shee 0:93976d4026d3 295 sendCommand(0x0039);
tj4shee 0:93976d4026d3 296 sendData(0x0203);
tj4shee 0:93976d4026d3 297 sendCommand(0x003c);
tj4shee 0:93976d4026d3 298 sendData(0x0004);
tj4shee 0:93976d4026d3 299 sendCommand(0x003d);
tj4shee 0:93976d4026d3 300 sendData(0x0B07);
tj4shee 0:93976d4026d3 301 sendCommand(0x0020);
tj4shee 0:93976d4026d3 302 sendData(0x0000);
tj4shee 0:93976d4026d3 303 sendCommand(0x0021);
tj4shee 0:93976d4026d3 304 sendData(0x0000);
tj4shee 0:93976d4026d3 305 sendCommand(0x0050);
tj4shee 0:93976d4026d3 306 sendData(0x0000);
tj4shee 0:93976d4026d3 307 sendCommand(0x0051);
tj4shee 0:93976d4026d3 308 sendData(0x00ef);
tj4shee 0:93976d4026d3 309 sendCommand(0x0052);
tj4shee 0:93976d4026d3 310 sendData(0x0000);
tj4shee 0:93976d4026d3 311 sendCommand(0x0053);
tj4shee 0:93976d4026d3 312 sendData(0x013f);
tj4shee 0:93976d4026d3 313
tj4shee 0:93976d4026d3 314 wait(0.1);
tj4shee 0:93976d4026d3 315
tj4shee 0:93976d4026d3 316 sendCommand(0x0060);
tj4shee 0:93976d4026d3 317 sendData(0xa700);
tj4shee 0:93976d4026d3 318 sendCommand(0x0061);
tj4shee 0:93976d4026d3 319 sendData(0x0001);
tj4shee 0:93976d4026d3 320 sendCommand(0x0090);
tj4shee 0:93976d4026d3 321 sendData(0x003A);
tj4shee 0:93976d4026d3 322 sendCommand(0x0095);
tj4shee 0:93976d4026d3 323 sendData(0x021E);
tj4shee 0:93976d4026d3 324 sendCommand(0x0080);
tj4shee 0:93976d4026d3 325 sendData(0x0000);
tj4shee 0:93976d4026d3 326 sendCommand(0x0081);
tj4shee 0:93976d4026d3 327 sendData(0x0000);
tj4shee 0:93976d4026d3 328 sendCommand(0x0082);
tj4shee 0:93976d4026d3 329 sendData(0x0000);
tj4shee 0:93976d4026d3 330 sendCommand(0x0083);
tj4shee 0:93976d4026d3 331 sendData(0x0000);
tj4shee 0:93976d4026d3 332 sendCommand(0x0084);
tj4shee 0:93976d4026d3 333 sendData(0x0000);
tj4shee 0:93976d4026d3 334 sendCommand(0x0085);
tj4shee 0:93976d4026d3 335 sendData(0x0000);
tj4shee 0:93976d4026d3 336 sendCommand(0x00FF);
tj4shee 0:93976d4026d3 337 sendData(0x0001);
tj4shee 0:93976d4026d3 338 sendCommand(0x00B0);
tj4shee 0:93976d4026d3 339 sendData(0x140D);
tj4shee 0:93976d4026d3 340 sendCommand(0x00FF);
tj4shee 0:93976d4026d3 341 sendData(0x0000);
tj4shee 0:93976d4026d3 342 wait(0.1);
tj4shee 0:93976d4026d3 343 sendCommand(0x0007);
tj4shee 0:93976d4026d3 344 sendData(0x0133);
tj4shee 0:93976d4026d3 345 wait(0.05);
tj4shee 0:93976d4026d3 346 //exit standby
tj4shee 0:93976d4026d3 347 sendCommand(0x0010);
tj4shee 0:93976d4026d3 348 sendData(0x14E0);
tj4shee 0:93976d4026d3 349 wait(0.1);
tj4shee 0:93976d4026d3 350 sendCommand(0x0007);
tj4shee 0:93976d4026d3 351 sendData(0x0133);
tj4shee 0:93976d4026d3 352 sendCommand(0x0022);
tj4shee 0:93976d4026d3 353 }
tj4shee 0:93976d4026d3 354
tj4shee 0:93976d4026d3 355 //paint screen black
tj4shee 0:93976d4026d3 356 for(unsigned char i=0;i<2;i++)
tj4shee 0:93976d4026d3 357 {
tj4shee 0:93976d4026d3 358 for(unsigned int f=0;f<38400;f++)
tj4shee 0:93976d4026d3 359 {
tj4shee 0:93976d4026d3 360 sendData(BLACK);
tj4shee 0:93976d4026d3 361 }
tj4shee 0:93976d4026d3 362 }
tj4shee 0:93976d4026d3 363 }
tj4shee 0:93976d4026d3 364
tj4shee 0:93976d4026d3 365 void TFT::setOrientation(unsigned int HV)//horizontal or vertical
tj4shee 0:93976d4026d3 366 {
tj4shee 0:93976d4026d3 367 sendCommand(0x03);
tj4shee 0:93976d4026d3 368 if(HV==1)//vertical
tj4shee 0:93976d4026d3 369 {
tj4shee 0:93976d4026d3 370 if(IC_CODE == 0x5408) { sendData(0x1038); }
tj4shee 0:93976d4026d3 371 else { sendData(0x5038); }
tj4shee 0:93976d4026d3 372 }
tj4shee 0:93976d4026d3 373 else//horizontal
tj4shee 0:93976d4026d3 374 {
tj4shee 0:93976d4026d3 375 if(IC_CODE == 0x5408) { sendData(0x1030); }
tj4shee 0:93976d4026d3 376 else { sendData(0x5030); }
tj4shee 0:93976d4026d3 377 }
tj4shee 0:93976d4026d3 378 sendCommand(0x0022); //Start to write to display RAM
tj4shee 0:93976d4026d3 379 }
tj4shee 0:93976d4026d3 380
tj4shee 0:93976d4026d3 381 unsigned int TFT::constrain(unsigned int val2chk, unsigned int lowval, unsigned int highval)
tj4shee 0:93976d4026d3 382 {
tj4shee 0:93976d4026d3 383 if (val2chk < lowval)
tj4shee 0:93976d4026d3 384 return lowval;
tj4shee 0:93976d4026d3 385 else if (val2chk > highval)
tj4shee 0:93976d4026d3 386 return highval;
tj4shee 0:93976d4026d3 387 else
tj4shee 0:93976d4026d3 388 return val2chk;
tj4shee 0:93976d4026d3 389 }
tj4shee 0:93976d4026d3 390
tj4shee 0:93976d4026d3 391 void TFT::setXY(unsigned int poX, unsigned int poY)
tj4shee 0:93976d4026d3 392 {
tj4shee 0:93976d4026d3 393 poX = constrain(poX,MIN_X,MAX_X); //Limits the pixel range to 0 - 239
tj4shee 0:93976d4026d3 394 poY = constrain(poY,MIN_Y,MAX_Y); //Limits the pixel range to 0 - 319
tj4shee 0:93976d4026d3 395 /* Writing to GRAM beyond the range gives unpredictable results. The above code
tj4shee 0:93976d4026d3 396 is to limit this. This might also slow down the writing to TFT. You can
tj4shee 0:93976d4026d3 397 remove the above two lines of code, if you think your application code
tj4shee 0:93976d4026d3 398 does not write beyond this range. This would speed up TFT writing. */
tj4shee 0:93976d4026d3 399
tj4shee 0:93976d4026d3 400 sendCommand(0x0020);//X
tj4shee 0:93976d4026d3 401 sendData(poX);
tj4shee 0:93976d4026d3 402 sendCommand(0x0021);//Y
tj4shee 0:93976d4026d3 403 sendData(poY);
tj4shee 0:93976d4026d3 404 sendCommand(0x0022);//Start to write to display RAM
tj4shee 0:93976d4026d3 405 }
tj4shee 0:93976d4026d3 406
tj4shee 0:93976d4026d3 407 void TFT::setPixel(unsigned int poX, unsigned int poY,unsigned int color)
tj4shee 0:93976d4026d3 408 {
tj4shee 0:93976d4026d3 409 setXY(poX,poY);
tj4shee 0:93976d4026d3 410 sendData(color);
tj4shee 0:93976d4026d3 411 }
tj4shee 0:93976d4026d3 412
tj4shee 0:93976d4026d3 413 void TFT::drawCircle(int poX, int poY, int r,unsigned int color)
tj4shee 0:93976d4026d3 414 {
tj4shee 0:93976d4026d3 415 int x = -r, y = 0, err = 2-2*r, e2;
tj4shee 0:93976d4026d3 416 do
tj4shee 0:93976d4026d3 417 {
tj4shee 0:93976d4026d3 418 setPixel(poX-x, poY+y,color);
tj4shee 0:93976d4026d3 419 setPixel(poX+x, poY+y,color);
tj4shee 0:93976d4026d3 420 setPixel(poX+x, poY-y,color);
tj4shee 0:93976d4026d3 421 setPixel(poX-x, poY-y,color);
tj4shee 0:93976d4026d3 422 e2 = err;
tj4shee 0:93976d4026d3 423 if (e2 <= y)
tj4shee 0:93976d4026d3 424 {
tj4shee 0:93976d4026d3 425 err += ++y*2+1;
tj4shee 0:93976d4026d3 426 if (-x == y && e2 <= x) e2 = 0;
tj4shee 0:93976d4026d3 427 }
tj4shee 0:93976d4026d3 428 if (e2 > x) err += ++x*2+1;
tj4shee 0:93976d4026d3 429 }
tj4shee 0:93976d4026d3 430 while (x <= 0);
tj4shee 0:93976d4026d3 431 }
tj4shee 0:93976d4026d3 432
tj4shee 0:93976d4026d3 433 void TFT::fillCircle(int poX, int poY, int r,unsigned int color)
tj4shee 0:93976d4026d3 434 {
tj4shee 0:93976d4026d3 435 int x = -r, y = 0, err = 2-2*r, e2;
tj4shee 0:93976d4026d3 436 do
tj4shee 0:93976d4026d3 437 {
tj4shee 0:93976d4026d3 438 drawVerticalLine(poX-x,poY-y,2*y,color);
tj4shee 0:93976d4026d3 439 drawVerticalLine(poX+x,poY-y,2*y,color);
tj4shee 0:93976d4026d3 440
tj4shee 0:93976d4026d3 441 e2 = err;
tj4shee 0:93976d4026d3 442 if (e2 <= y)
tj4shee 0:93976d4026d3 443 {
tj4shee 0:93976d4026d3 444 err += ++y*2+1;
tj4shee 0:93976d4026d3 445 if (-x == y && e2 <= x) e2 = 0;
tj4shee 0:93976d4026d3 446 }
tj4shee 0:93976d4026d3 447 if (e2 > x) err += ++x*2+1;
tj4shee 0:93976d4026d3 448 }
tj4shee 0:93976d4026d3 449 while (x <= 0);
tj4shee 0:93976d4026d3 450 }
tj4shee 0:93976d4026d3 451
tj4shee 0:93976d4026d3 452 void TFT::drawLine(unsigned int x0,unsigned int y0,unsigned int x1,unsigned int y1,unsigned int color)
tj4shee 0:93976d4026d3 453 {
tj4shee 0:93976d4026d3 454 int dx = x1-x0;
tj4shee 0:93976d4026d3 455 dx = abs(dx);
tj4shee 0:93976d4026d3 456 int sx = x0<x1 ? 1 : -1;
tj4shee 0:93976d4026d3 457 int dy = y1-y0;
tj4shee 0:93976d4026d3 458 dy = -abs(dy);
tj4shee 0:93976d4026d3 459 int sy = y0<y1 ? 1 : -1;
tj4shee 0:93976d4026d3 460 int err = dx+dy, e2; /* error value e_xy */
tj4shee 0:93976d4026d3 461 for (;;)
tj4shee 0:93976d4026d3 462 {
tj4shee 0:93976d4026d3 463 setPixel(x0,y0,color);
tj4shee 0:93976d4026d3 464 e2 = 2*err;
tj4shee 0:93976d4026d3 465 if (e2 >= dy)
tj4shee 0:93976d4026d3 466 { /* e_xy+e_x > 0 */
tj4shee 0:93976d4026d3 467 if (x0 == x1) break;
tj4shee 0:93976d4026d3 468 err += dy;
tj4shee 0:93976d4026d3 469 x0 += sx;
tj4shee 0:93976d4026d3 470 }
tj4shee 0:93976d4026d3 471 if (e2 <= dx)
tj4shee 0:93976d4026d3 472 { /* e_xy+e_y < 0 */
tj4shee 0:93976d4026d3 473 if (y0 == y1) break;
tj4shee 0:93976d4026d3 474 err += dx;
tj4shee 0:93976d4026d3 475 y0 += sy;
tj4shee 0:93976d4026d3 476 }
tj4shee 0:93976d4026d3 477 }
tj4shee 0:93976d4026d3 478 }
tj4shee 0:93976d4026d3 479
tj4shee 0:93976d4026d3 480 void TFT::drawVerticalLine(unsigned int poX, unsigned int poY,unsigned int length,unsigned int color)
tj4shee 0:93976d4026d3 481 {
tj4shee 0:93976d4026d3 482 poX = constrain(poX,MIN_X,MAX_X); //Limits the pixel range to 0 - 239
tj4shee 0:93976d4026d3 483 poY = constrain(poY,MIN_Y,MAX_Y); //Limits the pixel range to 0 - 319
tj4shee 0:93976d4026d3 484
tj4shee 0:93976d4026d3 485 setXY(poX,poY);
tj4shee 0:93976d4026d3 486 setOrientation(1);
tj4shee 0:93976d4026d3 487 if(length+poY>MAX_Y)
tj4shee 0:93976d4026d3 488 {
tj4shee 0:93976d4026d3 489 length=MAX_Y-poY;
tj4shee 0:93976d4026d3 490 }
tj4shee 0:93976d4026d3 491
tj4shee 0:93976d4026d3 492 for(unsigned int i=0;i<length;i++)
tj4shee 0:93976d4026d3 493 {
tj4shee 0:93976d4026d3 494 sendData(color);
tj4shee 0:93976d4026d3 495 }
tj4shee 0:93976d4026d3 496 }
tj4shee 0:93976d4026d3 497
tj4shee 0:93976d4026d3 498 void TFT::drawHorizontalLine(unsigned int poX, unsigned int poY,unsigned int length,unsigned int color)
tj4shee 0:93976d4026d3 499 {
tj4shee 0:93976d4026d3 500 poX = constrain(poX,MIN_X,MAX_X); //Limits the pixel range to 0 - 239
tj4shee 0:93976d4026d3 501 poY = constrain(poY,MIN_Y,MAX_Y); //Limits the pixel range to 0 - 319
tj4shee 0:93976d4026d3 502
tj4shee 0:93976d4026d3 503 setXY(poX,poY);
tj4shee 0:93976d4026d3 504 setOrientation(0);
tj4shee 0:93976d4026d3 505 if(length+poX>MAX_X)
tj4shee 0:93976d4026d3 506 {
tj4shee 0:93976d4026d3 507 length=MAX_X-poX;
tj4shee 0:93976d4026d3 508 }
tj4shee 0:93976d4026d3 509 for(unsigned int i=0;i<length;i++)
tj4shee 0:93976d4026d3 510 {
tj4shee 0:93976d4026d3 511 sendData(color);
tj4shee 0:93976d4026d3 512 }
tj4shee 0:93976d4026d3 513 }
tj4shee 0:93976d4026d3 514
tj4shee 0:93976d4026d3 515 void TFT::drawRectangle(unsigned int poX, unsigned int poY, unsigned int length,unsigned int width,unsigned int color)
tj4shee 0:93976d4026d3 516 {
tj4shee 0:93976d4026d3 517 drawHorizontalLine(poX, poY, length, color);
tj4shee 0:93976d4026d3 518 drawHorizontalLine(poX, poY+width, length, color);
tj4shee 0:93976d4026d3 519
tj4shee 0:93976d4026d3 520 drawVerticalLine(poX, poY, width,color);
tj4shee 0:93976d4026d3 521 drawVerticalLine(poX + length, poY, width,color);
tj4shee 0:93976d4026d3 522 }
tj4shee 0:93976d4026d3 523
tj4shee 0:93976d4026d3 524 void TFT::fillRectangle(unsigned int poX, unsigned int poY, unsigned int length, unsigned int width, unsigned int color)
tj4shee 0:93976d4026d3 525 {
tj4shee 0:93976d4026d3 526 for(unsigned int i=0;i<width;i++)
tj4shee 0:93976d4026d3 527 {
tj4shee 0:93976d4026d3 528 drawHorizontalLine(poX, poY+i, length, color);
tj4shee 0:93976d4026d3 529 }
tj4shee 0:93976d4026d3 530 }
tj4shee 0:93976d4026d3 531
tj4shee 0:93976d4026d3 532 void TFT::drawChar(unsigned char ascii,unsigned int poX, unsigned int poY,unsigned int size, unsigned int fgcolor)
tj4shee 0:93976d4026d3 533 {
tj4shee 0:93976d4026d3 534 setXY(poX,poY);
tj4shee 0:93976d4026d3 535 setOrientation(1);
tj4shee 0:93976d4026d3 536 if((ascii < 0x20)||(ascii > 0x7e))//Unsupported char.
tj4shee 0:93976d4026d3 537 {
tj4shee 0:93976d4026d3 538 ascii = '?';
tj4shee 0:93976d4026d3 539 }
tj4shee 0:93976d4026d3 540 for(unsigned char i=0;i<8;i++)
tj4shee 0:93976d4026d3 541 {
tj4shee 0:93976d4026d3 542 unsigned char temp = simpleFont[ascii-0x20][i];
tj4shee 0:93976d4026d3 543 for(unsigned char f=0;f<8;f++)
tj4shee 0:93976d4026d3 544 {
tj4shee 0:93976d4026d3 545 if((temp>>f)&0x01)
tj4shee 0:93976d4026d3 546 {
tj4shee 0:93976d4026d3 547 fillRectangle(poX+i*size, poY+f*size, size, size, fgcolor);
tj4shee 0:93976d4026d3 548 }
tj4shee 0:93976d4026d3 549
tj4shee 0:93976d4026d3 550 }
tj4shee 0:93976d4026d3 551 }
tj4shee 0:93976d4026d3 552 }
tj4shee 0:93976d4026d3 553
tj4shee 0:93976d4026d3 554 void TFT::drawString(char *string,unsigned int poX, unsigned int poY,unsigned int size,unsigned int fgcolor)
tj4shee 0:93976d4026d3 555 {
tj4shee 0:93976d4026d3 556 while(*string)
tj4shee 0:93976d4026d3 557 {
tj4shee 0:93976d4026d3 558 drawChar(*string, poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 559 *string++;
tj4shee 0:93976d4026d3 560
tj4shee 0:93976d4026d3 561 if(poX < MAX_X)
tj4shee 0:93976d4026d3 562 {
tj4shee 0:93976d4026d3 563 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 564 }
tj4shee 0:93976d4026d3 565 }
tj4shee 0:93976d4026d3 566 }
tj4shee 0:93976d4026d3 567
tj4shee 0:93976d4026d3 568 unsigned char TFT::drawNumber(long long_num,unsigned int poX, unsigned int poY,unsigned int size,unsigned int fgcolor)
tj4shee 0:93976d4026d3 569 {
tj4shee 0:93976d4026d3 570 unsigned char char_buffer[10]="";
tj4shee 0:93976d4026d3 571 unsigned char i = 0;
tj4shee 0:93976d4026d3 572 unsigned char f = 0;
tj4shee 0:93976d4026d3 573
tj4shee 0:93976d4026d3 574 if (long_num < 0)
tj4shee 0:93976d4026d3 575 {
tj4shee 0:93976d4026d3 576 f=1;
tj4shee 0:93976d4026d3 577 drawChar('-',poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 578 long_num = -long_num;
tj4shee 0:93976d4026d3 579 if(poX < MAX_X)
tj4shee 0:93976d4026d3 580 {
tj4shee 0:93976d4026d3 581 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 582 }
tj4shee 0:93976d4026d3 583 }
tj4shee 0:93976d4026d3 584 else if (long_num == 0)
tj4shee 0:93976d4026d3 585 {
tj4shee 0:93976d4026d3 586 f=1;
tj4shee 0:93976d4026d3 587 drawChar('0',poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 588 if (poX < MAX_X)
tj4shee 0:93976d4026d3 589 {
tj4shee 0:93976d4026d3 590 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 591 }
tj4shee 0:93976d4026d3 592 return f;
tj4shee 0:93976d4026d3 593 }
tj4shee 0:93976d4026d3 594
tj4shee 0:93976d4026d3 595 while (long_num > 0)
tj4shee 0:93976d4026d3 596 {
tj4shee 0:93976d4026d3 597 char_buffer[i++] = long_num % 10;
tj4shee 0:93976d4026d3 598 long_num /= 10;
tj4shee 0:93976d4026d3 599 }
tj4shee 0:93976d4026d3 600
tj4shee 0:93976d4026d3 601 f=f+i;
tj4shee 0:93976d4026d3 602 for(; i > 0; i--)
tj4shee 0:93976d4026d3 603 {
tj4shee 0:93976d4026d3 604 drawChar('0'+ char_buffer[i - 1],poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 605 if(poX < MAX_X)
tj4shee 0:93976d4026d3 606 {
tj4shee 0:93976d4026d3 607 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 608 }
tj4shee 0:93976d4026d3 609 }
tj4shee 0:93976d4026d3 610 return f;
tj4shee 0:93976d4026d3 611 }
tj4shee 0:93976d4026d3 612
tj4shee 0:93976d4026d3 613 unsigned char TFT::drawFloat(float floatNumber,unsigned char decimal,unsigned int poX, unsigned int poY,unsigned int size,unsigned int fgcolor)
tj4shee 0:93976d4026d3 614 {
tj4shee 0:93976d4026d3 615 unsigned int temp=0;
tj4shee 0:93976d4026d3 616 float decy=0.0;
tj4shee 0:93976d4026d3 617 float rounding = 0.5;
tj4shee 0:93976d4026d3 618 unsigned char f=0;
tj4shee 0:93976d4026d3 619 if(floatNumber<0.0)
tj4shee 0:93976d4026d3 620 {
tj4shee 0:93976d4026d3 621 drawChar('-',poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 622 floatNumber = -floatNumber;
tj4shee 0:93976d4026d3 623 if(poX < MAX_X)
tj4shee 0:93976d4026d3 624 {
tj4shee 0:93976d4026d3 625 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 626 }
tj4shee 0:93976d4026d3 627 f =1;
tj4shee 0:93976d4026d3 628 }
tj4shee 0:93976d4026d3 629 for (unsigned char i=0; i<decimal; ++i)
tj4shee 0:93976d4026d3 630 {
tj4shee 0:93976d4026d3 631 rounding /= 10.0;
tj4shee 0:93976d4026d3 632 }
tj4shee 0:93976d4026d3 633 floatNumber += rounding;
tj4shee 0:93976d4026d3 634
tj4shee 0:93976d4026d3 635 temp = (unsigned int)floatNumber;
tj4shee 0:93976d4026d3 636 unsigned char howlong=drawNumber(temp,poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 637 f += howlong;
tj4shee 0:93976d4026d3 638 if((poX+8*size*howlong) < MAX_X)
tj4shee 0:93976d4026d3 639 {
tj4shee 0:93976d4026d3 640 poX+=8*size*howlong; // Move cursor right
tj4shee 0:93976d4026d3 641 }
tj4shee 0:93976d4026d3 642
tj4shee 0:93976d4026d3 643 if(decimal>0)
tj4shee 0:93976d4026d3 644 {
tj4shee 0:93976d4026d3 645 drawChar('.',poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 646 if(poX < MAX_X)
tj4shee 0:93976d4026d3 647 {
tj4shee 0:93976d4026d3 648 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 649 }
tj4shee 0:93976d4026d3 650 f +=1;
tj4shee 0:93976d4026d3 651 }
tj4shee 0:93976d4026d3 652 decy = floatNumber-temp;//decimal part,
tj4shee 0:93976d4026d3 653 for(unsigned char i=0;i<decimal;i++)//4
tj4shee 0:93976d4026d3 654 {
tj4shee 0:93976d4026d3 655 decy *=10;// for the next decimal
tj4shee 0:93976d4026d3 656 temp = decy;//get the decimal
tj4shee 0:93976d4026d3 657 drawNumber(temp,poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 658 floatNumber = -floatNumber;
tj4shee 0:93976d4026d3 659 if(poX < MAX_X)
tj4shee 0:93976d4026d3 660 {
tj4shee 0:93976d4026d3 661 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 662 }
tj4shee 0:93976d4026d3 663 decy -= temp;
tj4shee 0:93976d4026d3 664 }
tj4shee 0:93976d4026d3 665 f +=decimal;
tj4shee 0:93976d4026d3 666 return f;
tj4shee 0:93976d4026d3 667 }
tj4shee 0:93976d4026d3 668
tj4shee 0:93976d4026d3 669 unsigned char TFT::drawFloat(float floatNumber,unsigned int poX, unsigned int poY,unsigned int size,unsigned int fgcolor)
tj4shee 0:93976d4026d3 670 {
tj4shee 0:93976d4026d3 671 unsigned char decimal=2;
tj4shee 0:93976d4026d3 672 unsigned int temp=0;
tj4shee 0:93976d4026d3 673 float decy=0.0;
tj4shee 0:93976d4026d3 674 float rounding = 0.5;
tj4shee 0:93976d4026d3 675 unsigned char f=0;
tj4shee 0:93976d4026d3 676 if(floatNumber<0.0)
tj4shee 0:93976d4026d3 677 {
tj4shee 0:93976d4026d3 678 drawChar('-',poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 679 floatNumber = -floatNumber;
tj4shee 0:93976d4026d3 680 if(poX < MAX_X)
tj4shee 0:93976d4026d3 681 {
tj4shee 0:93976d4026d3 682 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 683 }
tj4shee 0:93976d4026d3 684 f =1;
tj4shee 0:93976d4026d3 685 }
tj4shee 0:93976d4026d3 686 for (unsigned char i=0; i<decimal; ++i)
tj4shee 0:93976d4026d3 687 {
tj4shee 0:93976d4026d3 688 rounding /= 10.0;
tj4shee 0:93976d4026d3 689 }
tj4shee 0:93976d4026d3 690 floatNumber += rounding;
tj4shee 0:93976d4026d3 691
tj4shee 0:93976d4026d3 692 temp = (unsigned int)floatNumber;
tj4shee 0:93976d4026d3 693 unsigned char howlong=drawNumber(temp,poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 694 f += howlong;
tj4shee 0:93976d4026d3 695 if((poX+8*size*howlong) < MAX_X)
tj4shee 0:93976d4026d3 696 {
tj4shee 0:93976d4026d3 697 poX+=8*size*howlong; // Move cursor right
tj4shee 0:93976d4026d3 698 }
tj4shee 0:93976d4026d3 699
tj4shee 0:93976d4026d3 700 if(decimal>0)
tj4shee 0:93976d4026d3 701 {
tj4shee 0:93976d4026d3 702 drawChar('.',poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 703 if(poX < MAX_X)
tj4shee 0:93976d4026d3 704 {
tj4shee 0:93976d4026d3 705 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 706 }
tj4shee 0:93976d4026d3 707 f +=1;
tj4shee 0:93976d4026d3 708 }
tj4shee 0:93976d4026d3 709 decy = floatNumber-temp;//decimal part,
tj4shee 0:93976d4026d3 710 for(unsigned char i=0;i<decimal;i++)//4
tj4shee 0:93976d4026d3 711 {
tj4shee 0:93976d4026d3 712 decy *=10;// for the next decimal
tj4shee 0:93976d4026d3 713 temp = decy;//get the decimal
tj4shee 0:93976d4026d3 714 drawNumber(temp,poX, poY, size, fgcolor);
tj4shee 0:93976d4026d3 715 floatNumber = -floatNumber;
tj4shee 0:93976d4026d3 716 if(poX < MAX_X)
tj4shee 0:93976d4026d3 717 {
tj4shee 0:93976d4026d3 718 poX+=8*size; // Move cursor right
tj4shee 0:93976d4026d3 719 }
tj4shee 0:93976d4026d3 720 decy -= temp;
tj4shee 0:93976d4026d3 721 }
tj4shee 0:93976d4026d3 722 f +=decimal;
tj4shee 0:93976d4026d3 723 return f;
tj4shee 0:93976d4026d3 724 }
tj4shee 0:93976d4026d3 725
tj4shee 0:93976d4026d3 726 void TFT::all_pin_input(void)
tj4shee 0:93976d4026d3 727 {
tj4shee 0:93976d4026d3 728 //DDRD &=~ 0xfc; // 0b 1111 1100
tj4shee 0:93976d4026d3 729 //DDRB &=~ 0x03; // 0b 0000 0011
tj4shee 0:93976d4026d3 730 lcd_data.input();
tj4shee 0:93976d4026d3 731 }
tj4shee 0:93976d4026d3 732
tj4shee 0:93976d4026d3 733 void TFT::all_pin_output(void)
tj4shee 0:93976d4026d3 734 {
tj4shee 0:93976d4026d3 735 //DDRD |= 0xfc;
tj4shee 0:93976d4026d3 736 //DDRB |= 0x03;
tj4shee 0:93976d4026d3 737 lcd_data.output();
tj4shee 0:93976d4026d3 738 }
tj4shee 0:93976d4026d3 739
tj4shee 0:93976d4026d3 740 void TFT::all_pin_low(void)
tj4shee 0:93976d4026d3 741 {
tj4shee 0:93976d4026d3 742 //PORTD &=~ 0xfc;
tj4shee 0:93976d4026d3 743 //PORTB &=~ 0x03;
tj4shee 0:93976d4026d3 744 lcd_data.write(0);
tj4shee 0:93976d4026d3 745 }
tj4shee 0:93976d4026d3 746
tj4shee 0:93976d4026d3 747 void TFT::CS_HIGH(void)
tj4shee 0:93976d4026d3 748 {
tj4shee 0:93976d4026d3 749 CS_BIT.write(1);
tj4shee 0:93976d4026d3 750 }
tj4shee 0:93976d4026d3 751
tj4shee 0:93976d4026d3 752 void TFT::CS_LOW(void)
tj4shee 0:93976d4026d3 753 {
tj4shee 0:93976d4026d3 754 CS_BIT.write(0);
tj4shee 0:93976d4026d3 755 }
tj4shee 0:93976d4026d3 756
tj4shee 0:93976d4026d3 757 void TFT::RS_HIGH(void)
tj4shee 0:93976d4026d3 758 {
tj4shee 0:93976d4026d3 759 RS_BIT.write(1);
tj4shee 0:93976d4026d3 760 }
tj4shee 0:93976d4026d3 761
tj4shee 0:93976d4026d3 762 void TFT::RS_LOW(void)
tj4shee 0:93976d4026d3 763 {
tj4shee 0:93976d4026d3 764 RS_BIT.write(0);
tj4shee 0:93976d4026d3 765 }
tj4shee 0:93976d4026d3 766
tj4shee 0:93976d4026d3 767 void TFT::WR_HIGH(void)
tj4shee 0:93976d4026d3 768 {
tj4shee 0:93976d4026d3 769 WR_BIT.write(1);
tj4shee 0:93976d4026d3 770 }
tj4shee 0:93976d4026d3 771
tj4shee 0:93976d4026d3 772 void TFT::WR_LOW(void)
tj4shee 0:93976d4026d3 773 {
tj4shee 0:93976d4026d3 774 WR_BIT.write(0);
tj4shee 0:93976d4026d3 775 }
tj4shee 0:93976d4026d3 776
tj4shee 0:93976d4026d3 777 void TFT::WR_RISING(void)
tj4shee 0:93976d4026d3 778 {
tj4shee 0:93976d4026d3 779 WR_HIGH();
tj4shee 0:93976d4026d3 780 WR_LOW();
tj4shee 0:93976d4026d3 781 }
tj4shee 0:93976d4026d3 782
tj4shee 0:93976d4026d3 783 void TFT::RD_HIGH(void)
tj4shee 0:93976d4026d3 784 {
tj4shee 0:93976d4026d3 785 RD_BIT.write(1);
tj4shee 0:93976d4026d3 786 }
tj4shee 0:93976d4026d3 787
tj4shee 0:93976d4026d3 788 void TFT::RD_LOW(void)
tj4shee 0:93976d4026d3 789 {
tj4shee 0:93976d4026d3 790 RD_BIT.write(0);
tj4shee 0:93976d4026d3 791 }
tj4shee 0:93976d4026d3 792
tj4shee 0:93976d4026d3 793 void TFT::RD_RISING(void)
tj4shee 0:93976d4026d3 794 {
tj4shee 0:93976d4026d3 795 RD_HIGH(); RD_LOW();
tj4shee 0:93976d4026d3 796 }
tj4shee 0:93976d4026d3 797
tj4shee 0:93976d4026d3 798 TFT Tft=TFT();