Kaoru Onoe / ColorLCDShield

Sparkfun's Nokia Color LCD Arduino Shield library for FRDM boards

Dependents:   ColorLCDShield_Conway

ColorLCDShield.cpp@1:2d65bfd1218c, 2013-05-30 (annotated)

Committer:
kayekss
Date:
Thu May 30 22:59:30 2013 +0000
Revision:
1:2d65bfd1218c
Parent:
0:86bb740bcaf7
Child:
2:f4f7b91314a0
Commented out descriptions about unused variables {x,y}_offset (Now with no warnings)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kayekss 0:86bb740bcaf7 1 // ColorLCDShield.cpp
kayekss 0:86bb740bcaf7 2 // ------------------
kayekss 0:86bb740bcaf7 3 // Sparkfun's Color LCD Shield (LCD-09363) library for mbed FRDM-KL25Z boards.
kayekss 0:86bb740bcaf7 4 // - https://www.sparkfun.com/products/9363
kayekss 0:86bb740bcaf7 5 // This library has modified from Sparkfun's Arduino library code
kayekss 0:86bb740bcaf7 6 // - Command/data transmissions are implemented as software SPI communication
kayekss 0:86bb740bcaf7 7 // because the FRDM board's MCUs are not 9-bit SPI capable :(
kayekss 0:86bb740bcaf7 8 // - License is `CC BY-SA 3.0'
kayekss 0:86bb740bcaf7 9 // - Original descriptions are below
kayekss 0:86bb740bcaf7 10
kayekss 0:86bb740bcaf7 11 /*
kayekss 0:86bb740bcaf7 12 LCDShield.cpp - Arduino Library to control a Nokia 6100 LCD,
kayekss 0:86bb740bcaf7 13 specifically that found on SparkFun's Color LCD Shield.
kayekss 0:86bb740bcaf7 14 This code should work for both Epson and Phillips display drivers
kayekss 0:86bb740bcaf7 15 normally found on the Color LCD Shield.
kayekss 0:86bb740bcaf7 16
kayekss 0:86bb740bcaf7 17 License: CC BY-SA 3.0: Creative Commons Share-alike 3.0. Feel free
kayekss 0:86bb740bcaf7 18 to use and abuse this code however you'd like. If you find it useful
kayekss 0:86bb740bcaf7 19 please attribute, and SHARE-ALIKE!
kayekss 0:86bb740bcaf7 20
kayekss 0:86bb740bcaf7 21 This is based on code by Mark Sproul, and Peter Davenport.
kayekss 0:86bb740bcaf7 22 Thanks to Coleman Sellers and Harold Timmis for help getting it to work with the Phillips Driver 7-31-2011
kayekss 0:86bb740bcaf7 23 */
kayekss 0:86bb740bcaf7 24
kayekss 0:86bb740bcaf7 25 #include "ColorLCDShield.h"
kayekss 0:86bb740bcaf7 26
kayekss 0:86bb740bcaf7 27 /*extern "C" {
kayekss 0:86bb740bcaf7 28 #include "wiring.h"
kayekss 0:86bb740bcaf7 29 }*/
kayekss 0:86bb740bcaf7 30
kayekss 0:86bb740bcaf7 31 #include "mbed.h"
kayekss 0:86bb740bcaf7 32 // #include "Arduino.h"
kayekss 0:86bb740bcaf7 33
kayekss 1:2d65bfd1218c 34 // static char x_offset = 0;
kayekss 1:2d65bfd1218c 35 // static char y_offset = 0;
kayekss 0:86bb740bcaf7 36
kayekss 1:2d65bfd1218c 37 DigitalOut res(D8); // Arduino D8
kayekss 1:2d65bfd1218c 38 DigitalOut cs(D9); // Arduino D9
kayekss 1:2d65bfd1218c 39 DigitalOut dio(D11); // Arduino D11
kayekss 1:2d65bfd1218c 40 DigitalOut sck(D13); // Arduino D13
kayekss 0:86bb740bcaf7 41
kayekss 0:86bb740bcaf7 42 LCDShield::LCDShield()
kayekss 0:86bb740bcaf7 43 {
kayekss 0:86bb740bcaf7 44 }
kayekss 0:86bb740bcaf7 45
kayekss 0:86bb740bcaf7 46 void LCDShield::LCDCommand(unsigned char data)
kayekss 0:86bb740bcaf7 47 {
kayekss 0:86bb740bcaf7 48 char jj;
kayekss 0:86bb740bcaf7 49
kayekss 0:86bb740bcaf7 50 cs = 0; // enable chip
kayekss 0:86bb740bcaf7 51 dio = 0; // output low on data out (9th bit low = command)
kayekss 0:86bb740bcaf7 52
kayekss 0:86bb740bcaf7 53 sck = 0; // send clock pulse
kayekss 0:86bb740bcaf7 54 // wait_us(1);
kayekss 0:86bb740bcaf7 55 sck = 1;
kayekss 0:86bb740bcaf7 56
kayekss 0:86bb740bcaf7 57 for (jj = 0; jj < 8; jj++)
kayekss 0:86bb740bcaf7 58 {
kayekss 0:86bb740bcaf7 59 if ((data & 0x80) == 0x80)
kayekss 0:86bb740bcaf7 60 dio = 1;
kayekss 0:86bb740bcaf7 61 else
kayekss 0:86bb740bcaf7 62 dio = 0;
kayekss 0:86bb740bcaf7 63
kayekss 0:86bb740bcaf7 64 sck = 0; // send clock pulse
kayekss 0:86bb740bcaf7 65 // wait_us(1);
kayekss 0:86bb740bcaf7 66 sck = 1;
kayekss 0:86bb740bcaf7 67
kayekss 0:86bb740bcaf7 68 data <<= 1;
kayekss 0:86bb740bcaf7 69 }
kayekss 0:86bb740bcaf7 70
kayekss 0:86bb740bcaf7 71 cs = 1; // disable
kayekss 0:86bb740bcaf7 72 }
kayekss 0:86bb740bcaf7 73
kayekss 0:86bb740bcaf7 74 void LCDShield::LCDData(unsigned char data)
kayekss 0:86bb740bcaf7 75 {
kayekss 0:86bb740bcaf7 76 char j;
kayekss 0:86bb740bcaf7 77
kayekss 0:86bb740bcaf7 78 cs = 0; // enable chip
kayekss 0:86bb740bcaf7 79 dio = 1; // output high on data out (9th bit high = data)
kayekss 0:86bb740bcaf7 80
kayekss 0:86bb740bcaf7 81 sck = 0; // send clock pulse
kayekss 0:86bb740bcaf7 82 // wait_us(1);
kayekss 0:86bb740bcaf7 83 sck = 1; // send clock pulse
kayekss 0:86bb740bcaf7 84
kayekss 0:86bb740bcaf7 85 for (j = 0; j < 8; j++)
kayekss 0:86bb740bcaf7 86 {
kayekss 0:86bb740bcaf7 87 if ((data & 0x80) == 0x80)
kayekss 0:86bb740bcaf7 88 dio = 1;
kayekss 0:86bb740bcaf7 89 else
kayekss 0:86bb740bcaf7 90 dio = 0;
kayekss 0:86bb740bcaf7 91
kayekss 0:86bb740bcaf7 92 sck = 0; // send clock pulse
kayekss 0:86bb740bcaf7 93 // wait_us(1);
kayekss 0:86bb740bcaf7 94 sck = 1;
kayekss 0:86bb740bcaf7 95
kayekss 0:86bb740bcaf7 96 data <<= 1;
kayekss 0:86bb740bcaf7 97 }
kayekss 0:86bb740bcaf7 98
kayekss 0:86bb740bcaf7 99 cs = 1; // disable
kayekss 0:86bb740bcaf7 100 }
kayekss 0:86bb740bcaf7 101
kayekss 0:86bb740bcaf7 102 void LCDShield::init(int type, bool colorSwap)
kayekss 0:86bb740bcaf7 103 {
kayekss 0:86bb740bcaf7 104 driver = type;
kayekss 0:86bb740bcaf7 105
kayekss 0:86bb740bcaf7 106 // Initialize the control pins, and reset display:
kayekss 0:86bb740bcaf7 107 sck = 0; // CLK = LOW
kayekss 0:86bb740bcaf7 108 dio = 0; // DIO = LOW
kayekss 0:86bb740bcaf7 109 wait_us(10); // 10us delay
kayekss 0:86bb740bcaf7 110 cs = 1; // CS = HIGH
kayekss 0:86bb740bcaf7 111 wait_us(10); // 10uS Delay
kayekss 0:86bb740bcaf7 112 res = 0; // RESET = LOW
kayekss 0:86bb740bcaf7 113 wait_ms(200); // 200ms delay
kayekss 0:86bb740bcaf7 114 res = 1; // RESET = HIGH
kayekss 0:86bb740bcaf7 115 wait_ms(200); // 200ms delay
kayekss 0:86bb740bcaf7 116 sck = 1; // SCK_PIN = HIGH
kayekss 0:86bb740bcaf7 117 dio = 1; // DIO = HIGH
kayekss 0:86bb740bcaf7 118 wait_us(10); // 10us delay
kayekss 0:86bb740bcaf7 119
kayekss 0:86bb740bcaf7 120 if (driver == EPSON)
kayekss 0:86bb740bcaf7 121 {
kayekss 0:86bb740bcaf7 122 LCDCommand(DISCTL); // Display control (0xCA)
kayekss 0:86bb740bcaf7 123 LCDData(0x0C); // 12 = 1100 - CL dividing ratio [don't divide] switching period 8H (default)
kayekss 0:86bb740bcaf7 124 LCDData(0x20); // nlines/4 - 1 = 132/4 - 1 = 32 duty
kayekss 0:86bb740bcaf7 125 LCDData(0x00); // No inversely highlighted lines
kayekss 0:86bb740bcaf7 126
kayekss 0:86bb740bcaf7 127 LCDCommand(COMSCN); // common scanning direction (0xBB)
kayekss 0:86bb740bcaf7 128 LCDData(0x01); // 1->68, 132<-69 scan direction
kayekss 0:86bb740bcaf7 129
kayekss 0:86bb740bcaf7 130 LCDCommand(OSCON); // internal oscialltor ON (0xD1)
kayekss 0:86bb740bcaf7 131 LCDCommand(SLPOUT); // sleep out (0x94)
kayekss 0:86bb740bcaf7 132
kayekss 0:86bb740bcaf7 133 LCDCommand(PWRCTR); // power ctrl (0x20)
kayekss 0:86bb740bcaf7 134 LCDData(0x0F); // everything on, no external reference resistors
kayekss 0:86bb740bcaf7 135
kayekss 0:86bb740bcaf7 136 LCDCommand(DISINV); // invert display mode (0xA7)
kayekss 0:86bb740bcaf7 137
kayekss 0:86bb740bcaf7 138 LCDCommand(DATCTL); // data control (0xBC)
kayekss 0:86bb740bcaf7 139 LCDData(0x03); // Inverse page address, reverse rotation column address, column scan-direction !!! try 0x01
kayekss 0:86bb740bcaf7 140 LCDData(0x00); // normal RGB arrangement
kayekss 0:86bb740bcaf7 141 LCDData(0x02); // 16-bit Grayscale Type A (12-bit color)
kayekss 0:86bb740bcaf7 142
kayekss 0:86bb740bcaf7 143 LCDCommand(VOLCTR); // electronic volume, this is the contrast/brightness (0x81)
kayekss 0:86bb740bcaf7 144 LCDData(32); // volume (contrast) setting - fine tuning, original (0-63)
kayekss 0:86bb740bcaf7 145 LCDData(3); // internal resistor ratio - coarse adjustment (0-7)
kayekss 0:86bb740bcaf7 146
kayekss 0:86bb740bcaf7 147 LCDCommand(NOP); // nop (0x25)
kayekss 0:86bb740bcaf7 148
kayekss 0:86bb740bcaf7 149 wait_ms(100);
kayekss 0:86bb740bcaf7 150
kayekss 0:86bb740bcaf7 151 LCDCommand(DISON); // display on (0xAF)
kayekss 0:86bb740bcaf7 152 }
kayekss 0:86bb740bcaf7 153 else if (driver == PHILIPS)
kayekss 0:86bb740bcaf7 154 {
kayekss 0:86bb740bcaf7 155 LCDCommand(SLEEPOUT); // Sleep Out (0x11)
kayekss 0:86bb740bcaf7 156 LCDCommand(BSTRON); // Booster voltage on (0x03)
kayekss 0:86bb740bcaf7 157 LCDCommand(DISPON); // Display on (0x29)
kayekss 0:86bb740bcaf7 158
kayekss 0:86bb740bcaf7 159 //LCDCommand(INVON); // Inversion on (0x20)
kayekss 0:86bb740bcaf7 160
kayekss 0:86bb740bcaf7 161 // 12-bit color pixel format:
kayekss 0:86bb740bcaf7 162 LCDCommand(COLMOD); // Color interface format (0x3A)
kayekss 0:86bb740bcaf7 163 LCDData(0x03); // 0b011 is 12-bit/pixel mode
kayekss 0:86bb740bcaf7 164
kayekss 0:86bb740bcaf7 165 LCDCommand(MADCTL); // Memory Access Control(PHILLIPS)
kayekss 0:86bb740bcaf7 166 if (colorSwap)
kayekss 0:86bb740bcaf7 167 LCDData(0x08);
kayekss 0:86bb740bcaf7 168 else
kayekss 0:86bb740bcaf7 169 LCDData(0x00);
kayekss 0:86bb740bcaf7 170
kayekss 0:86bb740bcaf7 171 LCDCommand(SETCON); // Set Contrast(PHILLIPS)
kayekss 0:86bb740bcaf7 172 LCDData(0x30);
kayekss 0:86bb740bcaf7 173
kayekss 0:86bb740bcaf7 174 LCDCommand(NOPP); // nop(PHILLIPS)
kayekss 0:86bb740bcaf7 175 }
kayekss 0:86bb740bcaf7 176 }
kayekss 0:86bb740bcaf7 177
kayekss 0:86bb740bcaf7 178 void LCDShield::clear(int color)
kayekss 0:86bb740bcaf7 179 {
kayekss 0:86bb740bcaf7 180 if (driver) // if it's an Epson
kayekss 0:86bb740bcaf7 181 {
kayekss 0:86bb740bcaf7 182 LCDCommand(PASET);
kayekss 0:86bb740bcaf7 183 LCDData(0);
kayekss 0:86bb740bcaf7 184 LCDData(131);
kayekss 0:86bb740bcaf7 185
kayekss 0:86bb740bcaf7 186 LCDCommand(CASET);
kayekss 0:86bb740bcaf7 187 LCDData(0);
kayekss 0:86bb740bcaf7 188 LCDData(131);
kayekss 0:86bb740bcaf7 189
kayekss 0:86bb740bcaf7 190 LCDCommand(RAMWR);
kayekss 0:86bb740bcaf7 191 }
kayekss 0:86bb740bcaf7 192 else // otherwise it's a phillips
kayekss 0:86bb740bcaf7 193 {
kayekss 0:86bb740bcaf7 194 LCDCommand(PASETP);
kayekss 0:86bb740bcaf7 195 LCDData(0);
kayekss 0:86bb740bcaf7 196 LCDData(131);
kayekss 0:86bb740bcaf7 197
kayekss 0:86bb740bcaf7 198 LCDCommand(CASETP);
kayekss 0:86bb740bcaf7 199 LCDData(0);
kayekss 0:86bb740bcaf7 200 LCDData(131);
kayekss 0:86bb740bcaf7 201
kayekss 0:86bb740bcaf7 202 LCDCommand(RAMWRP);
kayekss 0:86bb740bcaf7 203 }
kayekss 0:86bb740bcaf7 204
kayekss 0:86bb740bcaf7 205 for(unsigned int i=0; i < (131*131)/2; i++)
kayekss 0:86bb740bcaf7 206 {
kayekss 0:86bb740bcaf7 207 LCDData((color>>4)&0x00FF);
kayekss 0:86bb740bcaf7 208 LCDData(((color&0x0F)<<4)|(color>>8));
kayekss 0:86bb740bcaf7 209 LCDData(color&0x0FF);
kayekss 0:86bb740bcaf7 210 }
kayekss 0:86bb740bcaf7 211
kayekss 1:2d65bfd1218c 212 // x_offset = 0;
kayekss 1:2d65bfd1218c 213 // y_offset = 0;
kayekss 0:86bb740bcaf7 214 }
kayekss 0:86bb740bcaf7 215
kayekss 0:86bb740bcaf7 216 void LCDShield::contrast(char setting)
kayekss 0:86bb740bcaf7 217 {
kayekss 0:86bb740bcaf7 218 if (driver == EPSON)
kayekss 0:86bb740bcaf7 219 {
kayekss 0:86bb740bcaf7 220 setting &= 0x3F; // 2 msb's not used, mask out
kayekss 0:86bb740bcaf7 221 LCDCommand(VOLCTR); // electronic volume, this is the contrast/brightness(EPSON)
kayekss 0:86bb740bcaf7 222 LCDData(setting); // volume (contrast) setting - course adjustment, -- original was 24
kayekss 0:86bb740bcaf7 223 LCDData(3); // TODO: Make this coarse adjustment variable, 3's a good place to stay
kayekss 0:86bb740bcaf7 224 }
kayekss 0:86bb740bcaf7 225 else if (driver == PHILIPS)
kayekss 0:86bb740bcaf7 226 {
kayekss 0:86bb740bcaf7 227 setting &= 0x7F; // msb is not used, mask it out
kayekss 0:86bb740bcaf7 228 LCDCommand(SETCON); // contrast command (PHILLIPS)
kayekss 0:86bb740bcaf7 229 LCDData(setting); // volume (contrast) setting - course adjustment, -- original was 24
kayekss 0:86bb740bcaf7 230 }
kayekss 0:86bb740bcaf7 231 }
kayekss 0:86bb740bcaf7 232
kayekss 0:86bb740bcaf7 233 // Added by Steve Sparks @ Big Nerd Ranch.
kayekss 0:86bb740bcaf7 234 // This swaps the Epson RGB order into the Philips RGB order. (Or, vice versa, I suppose.)
kayekss 0:86bb740bcaf7 235 uint16_t LCDShield::swapColors(uint16_t in) {
kayekss 0:86bb740bcaf7 236 return ((in & 0x000F)<<8)|(in & 0x00F0)|((in & 0x0F00)>>8);
kayekss 0:86bb740bcaf7 237 }
kayekss 0:86bb740bcaf7 238
kayekss 0:86bb740bcaf7 239 void LCDShield::setPixel(int color, unsigned char x, unsigned char y)
kayekss 0:86bb740bcaf7 240 {
kayekss 0:86bb740bcaf7 241 y = (COL_HEIGHT - 1) - y;
kayekss 0:86bb740bcaf7 242 x = (ROW_LENGTH - 1) - x;
kayekss 0:86bb740bcaf7 243
kayekss 0:86bb740bcaf7 244 if (driver == EPSON) // if it's an epson
kayekss 0:86bb740bcaf7 245 {
kayekss 0:86bb740bcaf7 246 LCDCommand(PASET); // page start/end ram
kayekss 0:86bb740bcaf7 247 LCDData(x);
kayekss 0:86bb740bcaf7 248 LCDData(ENDPAGE);
kayekss 0:86bb740bcaf7 249
kayekss 0:86bb740bcaf7 250 LCDCommand(CASET); // column start/end ram
kayekss 0:86bb740bcaf7 251 LCDData(y);
kayekss 0:86bb740bcaf7 252 LCDData(ENDCOL);
kayekss 0:86bb740bcaf7 253
kayekss 0:86bb740bcaf7 254 LCDCommand(RAMWR); // write
kayekss 0:86bb740bcaf7 255 LCDData((color>>4)&0x00FF);
kayekss 0:86bb740bcaf7 256 LCDData(((color&0x0F)<<4)|(color>>8));
kayekss 0:86bb740bcaf7 257 LCDData(color&0x0FF);
kayekss 0:86bb740bcaf7 258 }
kayekss 0:86bb740bcaf7 259 else if (driver == PHILIPS) // otherwise it's a phillips
kayekss 0:86bb740bcaf7 260 {
kayekss 0:86bb740bcaf7 261 LCDCommand(PASETP); // page start/end ram
kayekss 0:86bb740bcaf7 262 LCDData(x);
kayekss 0:86bb740bcaf7 263 LCDData(x);
kayekss 0:86bb740bcaf7 264
kayekss 0:86bb740bcaf7 265 LCDCommand(CASETP); // column start/end ram
kayekss 0:86bb740bcaf7 266 LCDData(y);
kayekss 0:86bb740bcaf7 267 LCDData(y);
kayekss 0:86bb740bcaf7 268
kayekss 0:86bb740bcaf7 269 LCDCommand(RAMWRP); // write
kayekss 0:86bb740bcaf7 270
kayekss 0:86bb740bcaf7 271 LCDData((unsigned char)((color>>4)&0x00FF));
kayekss 0:86bb740bcaf7 272 LCDData((unsigned char)(((color&0x0F)<<4)|0x00));
kayekss 0:86bb740bcaf7 273 }
kayekss 0:86bb740bcaf7 274 }
kayekss 0:86bb740bcaf7 275 // 2/18/2013 This Methos added by Tony Contrada in order to create arc segments in varied line thickness, or Filled
kayekss 0:86bb740bcaf7 276 void LCDShield::setArc(int x0, int y0, int radius, int arcSegments[], int numSegments, int lineThickness, int color)
kayekss 0:86bb740bcaf7 277 {
kayekss 0:86bb740bcaf7 278 //Line Thickness (Num Pixels)
kayekss 0:86bb740bcaf7 279 if(lineThickness == FILL) lineThickness = radius;
kayekss 0:86bb740bcaf7 280 for(int i = 0; i < lineThickness; i++)
kayekss 0:86bb740bcaf7 281 {
kayekss 0:86bb740bcaf7 282 int f = 1 - radius;
kayekss 0:86bb740bcaf7 283 int ddF_x = 0;
kayekss 0:86bb740bcaf7 284 int ddF_y = -2 * radius;
kayekss 0:86bb740bcaf7 285 int x = 0;
kayekss 0:86bb740bcaf7 286 int y = radius;
kayekss 0:86bb740bcaf7 287 while(x < y)
kayekss 0:86bb740bcaf7 288 {
kayekss 0:86bb740bcaf7 289 if(f >= 0)
kayekss 0:86bb740bcaf7 290 {
kayekss 0:86bb740bcaf7 291 y--;
kayekss 0:86bb740bcaf7 292 ddF_y += 2;
kayekss 0:86bb740bcaf7 293 f += ddF_y;
kayekss 0:86bb740bcaf7 294 }
kayekss 0:86bb740bcaf7 295 x++;
kayekss 0:86bb740bcaf7 296 ddF_x += 2;
kayekss 0:86bb740bcaf7 297 f += ddF_x + 1;
kayekss 0:86bb740bcaf7 298
kayekss 0:86bb740bcaf7 299 for(int i = 0; i < numSegments; i++)
kayekss 0:86bb740bcaf7 300 {
kayekss 0:86bb740bcaf7 301 if(arcSegments[i] == NNE) setPixel(color, x0 - y, y0 + x); //SHOW NNE
kayekss 0:86bb740bcaf7 302 if(arcSegments[i] == ENE) setPixel(color, x0 - x, y0 + y); //SHOW ENE
kayekss 0:86bb740bcaf7 303 if(arcSegments[i] == ESE) setPixel(color, x0 + x, y0 + y); //SHOW ESE
kayekss 0:86bb740bcaf7 304 if(arcSegments[i] == SSE) setPixel(color, x0 + y, y0 + x); //SHOW SSE
kayekss 0:86bb740bcaf7 305 if(arcSegments[i] == SSW) setPixel(color, x0 + y, y0 - x); //SHOW SSW
kayekss 0:86bb740bcaf7 306 if(arcSegments[i] == WSW) setPixel(color, x0 + x, y0 - y); //SHOW WSW
kayekss 0:86bb740bcaf7 307 if(arcSegments[i] == WNW) setPixel(color, x0 - x, y0 - y); //SHOW WNW
kayekss 0:86bb740bcaf7 308 if(arcSegments[i] == NNW) setPixel(color, x0 - y, y0 - x); //SHOW NNW
kayekss 0:86bb740bcaf7 309 }
kayekss 0:86bb740bcaf7 310
kayekss 0:86bb740bcaf7 311 }
kayekss 0:86bb740bcaf7 312 radius--;
kayekss 0:86bb740bcaf7 313 }
kayekss 0:86bb740bcaf7 314
kayekss 0:86bb740bcaf7 315 }
kayekss 0:86bb740bcaf7 316
kayekss 0:86bb740bcaf7 317 // 2/22/2013 - Modified by Tony Contrada to include Line Thickness (in pixels) or a Filled Circle
kayekss 0:86bb740bcaf7 318 void LCDShield::setCircle (int x0, int y0, int radius, int color, int lineThickness)
kayekss 0:86bb740bcaf7 319 {
kayekss 0:86bb740bcaf7 320 if(lineThickness == FILL) lineThickness = radius;
kayekss 0:86bb740bcaf7 321
kayekss 0:86bb740bcaf7 322 for(int r = 0; r < lineThickness; r++)
kayekss 0:86bb740bcaf7 323 {
kayekss 0:86bb740bcaf7 324 int f = 1 - radius;
kayekss 0:86bb740bcaf7 325 int ddF_x = 0;
kayekss 0:86bb740bcaf7 326 int ddF_y = -2 * radius;
kayekss 0:86bb740bcaf7 327 int x = 0;
kayekss 0:86bb740bcaf7 328 int y = radius;
kayekss 0:86bb740bcaf7 329
kayekss 0:86bb740bcaf7 330 setPixel(color, x0, y0 + radius);
kayekss 0:86bb740bcaf7 331 setPixel(color, x0, y0 - radius);
kayekss 0:86bb740bcaf7 332 setPixel(color, x0 + radius, y0);
kayekss 0:86bb740bcaf7 333 setPixel(color, x0 - radius, y0);
kayekss 0:86bb740bcaf7 334
kayekss 0:86bb740bcaf7 335 while(x < y)
kayekss 0:86bb740bcaf7 336 {
kayekss 0:86bb740bcaf7 337 if(f >= 0)
kayekss 0:86bb740bcaf7 338 {
kayekss 0:86bb740bcaf7 339 y--;
kayekss 0:86bb740bcaf7 340 ddF_y += 2;
kayekss 0:86bb740bcaf7 341 f += ddF_y;
kayekss 0:86bb740bcaf7 342 }
kayekss 0:86bb740bcaf7 343 x++;
kayekss 0:86bb740bcaf7 344 ddF_x += 2;
kayekss 0:86bb740bcaf7 345 f += ddF_x + 1;
kayekss 0:86bb740bcaf7 346
kayekss 0:86bb740bcaf7 347 setPixel(color, x0 + x, y0 + y);
kayekss 0:86bb740bcaf7 348 setPixel(color, x0 - x, y0 + y);
kayekss 0:86bb740bcaf7 349 setPixel(color, x0 + x, y0 - y);
kayekss 0:86bb740bcaf7 350 setPixel(color, x0 - x, y0 - y);
kayekss 0:86bb740bcaf7 351 setPixel(color, x0 + y, y0 + x);
kayekss 0:86bb740bcaf7 352 setPixel(color, x0 - y, y0 + x);
kayekss 0:86bb740bcaf7 353 setPixel(color, x0 + y, y0 - x);
kayekss 0:86bb740bcaf7 354 setPixel(color, x0 - y, y0 - x);
kayekss 0:86bb740bcaf7 355 }
kayekss 0:86bb740bcaf7 356 radius--;
kayekss 0:86bb740bcaf7 357 }
kayekss 0:86bb740bcaf7 358
kayekss 0:86bb740bcaf7 359 }
kayekss 0:86bb740bcaf7 360
kayekss 0:86bb740bcaf7 361 void LCDShield::setChar(char c, int x, int y, int fColor, int bColor)
kayekss 0:86bb740bcaf7 362 {
kayekss 0:86bb740bcaf7 363 y = (COL_HEIGHT - 1) - y; // make display "right" side up
kayekss 0:86bb740bcaf7 364 x = (ROW_LENGTH - 2) - x;
kayekss 0:86bb740bcaf7 365
kayekss 0:86bb740bcaf7 366 int i,j;
kayekss 0:86bb740bcaf7 367 unsigned int nCols;
kayekss 0:86bb740bcaf7 368 unsigned int nRows;
kayekss 0:86bb740bcaf7 369 unsigned int nBytes;
kayekss 0:86bb740bcaf7 370 unsigned char PixelRow;
kayekss 0:86bb740bcaf7 371 unsigned char Mask;
kayekss 0:86bb740bcaf7 372 unsigned int Word0;
kayekss 0:86bb740bcaf7 373 unsigned int Word1;
kayekss 0:86bb740bcaf7 374 const unsigned char *pFont;
kayekss 0:86bb740bcaf7 375 const unsigned char *pChar;
kayekss 0:86bb740bcaf7 376
kayekss 0:86bb740bcaf7 377 // get pointer to the beginning of the selected font table
kayekss 0:86bb740bcaf7 378 pFont = *FONT8x16;
kayekss 0:86bb740bcaf7 379 // get the nColumns, nRows and nBytes
kayekss 0:86bb740bcaf7 380 nCols = *pFont;
kayekss 0:86bb740bcaf7 381 nRows = *(pFont + 1);
kayekss 0:86bb740bcaf7 382 nBytes = *(pFont + 2);
kayekss 0:86bb740bcaf7 383 // get pointer to the last byte of the desired character
kayekss 0:86bb740bcaf7 384 pChar = pFont + (nBytes * (c - 0x1F)) + nBytes - 1;
kayekss 0:86bb740bcaf7 385
kayekss 0:86bb740bcaf7 386 if (driver) // if it's an epson
kayekss 0:86bb740bcaf7 387 {
kayekss 0:86bb740bcaf7 388 // Row address set (command 0x2B)
kayekss 0:86bb740bcaf7 389 LCDCommand(PASET);
kayekss 0:86bb740bcaf7 390 LCDData(x);
kayekss 0:86bb740bcaf7 391 LCDData(x + nRows - 1);
kayekss 0:86bb740bcaf7 392 // Column address set (command 0x2A)
kayekss 0:86bb740bcaf7 393 LCDCommand(CASET);
kayekss 0:86bb740bcaf7 394 LCDData(y);
kayekss 0:86bb740bcaf7 395 LCDData(y + nCols - 1);
kayekss 0:86bb740bcaf7 396
kayekss 0:86bb740bcaf7 397 // WRITE MEMORY
kayekss 0:86bb740bcaf7 398 LCDCommand(RAMWR);
kayekss 0:86bb740bcaf7 399 // loop on each row, working backwards from the bottom to the top
kayekss 0:86bb740bcaf7 400 for (i = nRows - 1; i >= 0; i--) {
kayekss 0:86bb740bcaf7 401 // copy pixel row from font table and then decrement row
kayekss 0:86bb740bcaf7 402 PixelRow = *(pChar++);
kayekss 0:86bb740bcaf7 403 // loop on each pixel in the row (left to right)
kayekss 0:86bb740bcaf7 404 // Note: we do two pixels each loop
kayekss 0:86bb740bcaf7 405 Mask = 0x80;
kayekss 0:86bb740bcaf7 406 for (j = 0; j < nCols; j += 2)
kayekss 0:86bb740bcaf7 407 {
kayekss 0:86bb740bcaf7 408 // if pixel bit set, use foreground color; else use the background color
kayekss 0:86bb740bcaf7 409 // now get the pixel color for two successive pixels
kayekss 0:86bb740bcaf7 410 if ((PixelRow & Mask) == 0)
kayekss 0:86bb740bcaf7 411 Word0 = bColor;
kayekss 0:86bb740bcaf7 412 else
kayekss 0:86bb740bcaf7 413 Word0 = fColor;
kayekss 0:86bb740bcaf7 414 Mask = Mask >> 1;
kayekss 0:86bb740bcaf7 415 if ((PixelRow & Mask) == 0)
kayekss 0:86bb740bcaf7 416 Word1 = bColor;
kayekss 0:86bb740bcaf7 417 else
kayekss 0:86bb740bcaf7 418 Word1 = fColor;
kayekss 0:86bb740bcaf7 419 Mask = Mask >> 1;
kayekss 0:86bb740bcaf7 420 // use this information to output three data bytes
kayekss 0:86bb740bcaf7 421 LCDData((Word0 >> 4) & 0xFF);
kayekss 0:86bb740bcaf7 422 LCDData(((Word0 & 0xF) << 4) | ((Word1 >> 8) & 0xF));
kayekss 0:86bb740bcaf7 423 LCDData(Word1 & 0xFF);
kayekss 0:86bb740bcaf7 424 }
kayekss 0:86bb740bcaf7 425 }
kayekss 0:86bb740bcaf7 426 }
kayekss 0:86bb740bcaf7 427 else
kayekss 0:86bb740bcaf7 428 {
kayekss 0:86bb740bcaf7 429 fColor = swapColors(fColor);
kayekss 0:86bb740bcaf7 430 bColor = swapColors(bColor);
kayekss 0:86bb740bcaf7 431
kayekss 0:86bb740bcaf7 432 // Row address set (command 0x2B)
kayekss 0:86bb740bcaf7 433 LCDCommand(PASETP);
kayekss 0:86bb740bcaf7 434 LCDData(x);
kayekss 0:86bb740bcaf7 435 LCDData(x + nRows - 1);
kayekss 0:86bb740bcaf7 436 // Column address set (command 0x2A)
kayekss 0:86bb740bcaf7 437 LCDCommand(CASETP);
kayekss 0:86bb740bcaf7 438 LCDData(y);
kayekss 0:86bb740bcaf7 439 LCDData(y + nCols - 1);
kayekss 0:86bb740bcaf7 440
kayekss 0:86bb740bcaf7 441 // WRITE MEMORY
kayekss 0:86bb740bcaf7 442 LCDCommand(RAMWRP);
kayekss 0:86bb740bcaf7 443 // loop on each row, working backwards from the bottom to the top
kayekss 0:86bb740bcaf7 444 pChar+=nBytes-1; // stick pChar at the end of the row - gonna reverse print on phillips
kayekss 0:86bb740bcaf7 445 for (i = nRows - 1; i >= 0; i--) {
kayekss 0:86bb740bcaf7 446 // copy pixel row from font table and then decrement row
kayekss 0:86bb740bcaf7 447 PixelRow = *(pChar--);
kayekss 0:86bb740bcaf7 448 // loop on each pixel in the row (left to right)
kayekss 0:86bb740bcaf7 449 // Note: we do two pixels each loop
kayekss 0:86bb740bcaf7 450 Mask = 0x01; // <- opposite of epson
kayekss 0:86bb740bcaf7 451 for (j = 0; j < nCols; j += 2)
kayekss 0:86bb740bcaf7 452 {
kayekss 0:86bb740bcaf7 453 // if pixel bit set, use foreground color; else use the background color
kayekss 0:86bb740bcaf7 454 // now get the pixel color for two successive pixels
kayekss 0:86bb740bcaf7 455 if ((PixelRow & Mask) == 0)
kayekss 0:86bb740bcaf7 456 Word0 = bColor;
kayekss 0:86bb740bcaf7 457 else
kayekss 0:86bb740bcaf7 458 Word0 = fColor;
kayekss 0:86bb740bcaf7 459 Mask = Mask << 1; // <- opposite of epson
kayekss 0:86bb740bcaf7 460 if ((PixelRow & Mask) == 0)
kayekss 0:86bb740bcaf7 461 Word1 = bColor;
kayekss 0:86bb740bcaf7 462 else
kayekss 0:86bb740bcaf7 463 Word1 = fColor;
kayekss 0:86bb740bcaf7 464 Mask = Mask << 1; // <- opposite of epson
kayekss 0:86bb740bcaf7 465 // use this information to output three data bytes
kayekss 0:86bb740bcaf7 466 LCDData((Word0 >> 4) & 0xFF);
kayekss 0:86bb740bcaf7 467 LCDData(((Word0 & 0xF) << 4) | ((Word1 >> 8) & 0xF));
kayekss 0:86bb740bcaf7 468 LCDData(Word1 & 0xFF);
kayekss 0:86bb740bcaf7 469 }
kayekss 0:86bb740bcaf7 470 }
kayekss 0:86bb740bcaf7 471 }
kayekss 0:86bb740bcaf7 472 }
kayekss 0:86bb740bcaf7 473
kayekss 0:86bb740bcaf7 474
kayekss 0:86bb740bcaf7 475 void LCDShield::setStr(char *pString, int x, int y, int fColor, int bColor)
kayekss 0:86bb740bcaf7 476 {
kayekss 0:86bb740bcaf7 477 x = x + 16;
kayekss 0:86bb740bcaf7 478 y = y + 8;
kayekss 0:86bb740bcaf7 479 int originalY = y;
kayekss 0:86bb740bcaf7 480
kayekss 0:86bb740bcaf7 481 // loop until null-terminator is seen
kayekss 0:86bb740bcaf7 482 while (*pString != 0x00) {
kayekss 0:86bb740bcaf7 483 // draw the character
kayekss 0:86bb740bcaf7 484 setChar(*pString++, x, y, fColor, bColor);
kayekss 0:86bb740bcaf7 485 // advance the y position
kayekss 0:86bb740bcaf7 486 y = y + 8;
kayekss 0:86bb740bcaf7 487 // bail out if y exceeds 131
kayekss 0:86bb740bcaf7 488 if (y > 131) {
kayekss 0:86bb740bcaf7 489 x = x + 16;
kayekss 0:86bb740bcaf7 490 y = originalY;
kayekss 0:86bb740bcaf7 491 }
kayekss 0:86bb740bcaf7 492 if (x > 123) break;
kayekss 0:86bb740bcaf7 493 }
kayekss 0:86bb740bcaf7 494 }
kayekss 0:86bb740bcaf7 495
kayekss 0:86bb740bcaf7 496 void LCDShield::setLine(int x0, int y0, int x1, int y1, int color)
kayekss 0:86bb740bcaf7 497 {
kayekss 0:86bb740bcaf7 498 int dy = y1 - y0; // Difference between y0 and y1
kayekss 0:86bb740bcaf7 499 int dx = x1 - x0; // Difference between x0 and x1
kayekss 0:86bb740bcaf7 500 int stepx, stepy;
kayekss 0:86bb740bcaf7 501
kayekss 0:86bb740bcaf7 502 if (dy < 0)
kayekss 0:86bb740bcaf7 503 {
kayekss 0:86bb740bcaf7 504 dy = -dy;
kayekss 0:86bb740bcaf7 505 stepy = -1;
kayekss 0:86bb740bcaf7 506 }
kayekss 0:86bb740bcaf7 507 else
kayekss 0:86bb740bcaf7 508 stepy = 1;
kayekss 0:86bb740bcaf7 509
kayekss 0:86bb740bcaf7 510 if (dx < 0)
kayekss 0:86bb740bcaf7 511 {
kayekss 0:86bb740bcaf7 512 dx = -dx;
kayekss 0:86bb740bcaf7 513 stepx = -1;
kayekss 0:86bb740bcaf7 514 }
kayekss 0:86bb740bcaf7 515 else
kayekss 0:86bb740bcaf7 516 stepx = 1;
kayekss 0:86bb740bcaf7 517
kayekss 0:86bb740bcaf7 518 dy <<= 1; // dy is now 2*dy
kayekss 0:86bb740bcaf7 519 dx <<= 1; // dx is now 2*dx
kayekss 0:86bb740bcaf7 520 setPixel(color, x0, y0);
kayekss 0:86bb740bcaf7 521
kayekss 0:86bb740bcaf7 522 if (dx > dy)
kayekss 0:86bb740bcaf7 523 {
kayekss 0:86bb740bcaf7 524 int fraction = dy - (dx >> 1);
kayekss 0:86bb740bcaf7 525 while (x0 != x1)
kayekss 0:86bb740bcaf7 526 {
kayekss 0:86bb740bcaf7 527 if (fraction >= 0)
kayekss 0:86bb740bcaf7 528 {
kayekss 0:86bb740bcaf7 529 y0 += stepy;
kayekss 0:86bb740bcaf7 530 fraction -= dx;
kayekss 0:86bb740bcaf7 531 }
kayekss 0:86bb740bcaf7 532 x0 += stepx;
kayekss 0:86bb740bcaf7 533 fraction += dy;
kayekss 0:86bb740bcaf7 534 setPixel(color, x0, y0);
kayekss 0:86bb740bcaf7 535 }
kayekss 0:86bb740bcaf7 536 }
kayekss 0:86bb740bcaf7 537 else
kayekss 0:86bb740bcaf7 538 {
kayekss 0:86bb740bcaf7 539 int fraction = dx - (dy >> 1);
kayekss 0:86bb740bcaf7 540 while (y0 != y1)
kayekss 0:86bb740bcaf7 541 {
kayekss 0:86bb740bcaf7 542 if (fraction >= 0)
kayekss 0:86bb740bcaf7 543 {
kayekss 0:86bb740bcaf7 544 x0 += stepx;
kayekss 0:86bb740bcaf7 545 fraction -= dy;
kayekss 0:86bb740bcaf7 546 }
kayekss 0:86bb740bcaf7 547 y0 += stepy;
kayekss 0:86bb740bcaf7 548 fraction += dx;
kayekss 0:86bb740bcaf7 549 setPixel(color, x0, y0);
kayekss 0:86bb740bcaf7 550 }
kayekss 0:86bb740bcaf7 551 }
kayekss 0:86bb740bcaf7 552 }
kayekss 0:86bb740bcaf7 553
kayekss 0:86bb740bcaf7 554 void LCDShield::setRect(int x0, int y0, int x1, int y1, unsigned char fill, int color)
kayekss 0:86bb740bcaf7 555 {
kayekss 0:86bb740bcaf7 556 // check if the rectangle is to be filled
kayekss 0:86bb740bcaf7 557 if (fill == 1)
kayekss 0:86bb740bcaf7 558 {
kayekss 0:86bb740bcaf7 559 int xDiff;
kayekss 0:86bb740bcaf7 560
kayekss 0:86bb740bcaf7 561 if(x0 > x1)
kayekss 0:86bb740bcaf7 562 xDiff = x0 - x1; //Find the difference between the x vars
kayekss 0:86bb740bcaf7 563 else
kayekss 0:86bb740bcaf7 564 xDiff = x1 - x0;
kayekss 0:86bb740bcaf7 565
kayekss 0:86bb740bcaf7 566 while(xDiff > 0)
kayekss 0:86bb740bcaf7 567 {
kayekss 0:86bb740bcaf7 568 setLine(x0, y0, x0, y1, color);
kayekss 0:86bb740bcaf7 569
kayekss 0:86bb740bcaf7 570 if(x0 > x1)
kayekss 0:86bb740bcaf7 571 x0--;
kayekss 0:86bb740bcaf7 572 else
kayekss 0:86bb740bcaf7 573 x0++;
kayekss 0:86bb740bcaf7 574
kayekss 0:86bb740bcaf7 575 xDiff--;
kayekss 0:86bb740bcaf7 576 }
kayekss 0:86bb740bcaf7 577
kayekss 0:86bb740bcaf7 578 }
kayekss 0:86bb740bcaf7 579 else
kayekss 0:86bb740bcaf7 580 {
kayekss 0:86bb740bcaf7 581 // best way to draw an unfilled rectangle is to draw four lines
kayekss 0:86bb740bcaf7 582 setLine(x0, y0, x1, y0, color);
kayekss 0:86bb740bcaf7 583 setLine(x0, y1, x1, y1, color);
kayekss 0:86bb740bcaf7 584 setLine(x0, y0, x0, y1, color);
kayekss 0:86bb740bcaf7 585 setLine(x1, y0, x1, y1, color);
kayekss 0:86bb740bcaf7 586 }
kayekss 0:86bb740bcaf7 587 }
kayekss 0:86bb740bcaf7 588
kayekss 0:86bb740bcaf7 589 void LCDShield::printLogo(void)
kayekss 0:86bb740bcaf7 590 {
kayekss 0:86bb740bcaf7 591 int x = 4, y = 25, logo_ix = 0, z;
kayekss 0:86bb740bcaf7 592 char logo;
kayekss 0:86bb740bcaf7 593
kayekss 0:86bb740bcaf7 594 for (logo_ix = 0; logo_ix < 1120; logo_ix++)
kayekss 0:86bb740bcaf7 595 {
kayekss 0:86bb740bcaf7 596 logo = logo_spark[logo_ix];
kayekss 0:86bb740bcaf7 597 for (z = 0; z < 8; z++)
kayekss 0:86bb740bcaf7 598 {
kayekss 0:86bb740bcaf7 599 if ((logo & 0x80) == 0x80) setPixel(RED, y, x);
kayekss 0:86bb740bcaf7 600 x++;
kayekss 0:86bb740bcaf7 601 if (x == 132)
kayekss 0:86bb740bcaf7 602 {
kayekss 0:86bb740bcaf7 603 x = 4;
kayekss 0:86bb740bcaf7 604 y++;
kayekss 0:86bb740bcaf7 605 }
kayekss 0:86bb740bcaf7 606 logo <<= 1;
kayekss 0:86bb740bcaf7 607 }
kayekss 0:86bb740bcaf7 608 }
kayekss 0:86bb740bcaf7 609 }
kayekss 0:86bb740bcaf7 610
kayekss 0:86bb740bcaf7 611 void LCDShield::off(void)
kayekss 0:86bb740bcaf7 612 {
kayekss 0:86bb740bcaf7 613 if (driver) // If it's an epson
kayekss 0:86bb740bcaf7 614 LCDCommand(DISOFF);
kayekss 0:86bb740bcaf7 615 else // otherwise it's a phillips
kayekss 0:86bb740bcaf7 616 LCDCommand(DISPOFF);
kayekss 0:86bb740bcaf7 617 }
kayekss 0:86bb740bcaf7 618
kayekss 0:86bb740bcaf7 619 void LCDShield::on(void)
kayekss 0:86bb740bcaf7 620 {
kayekss 0:86bb740bcaf7 621 if (driver) // If it's an epson
kayekss 0:86bb740bcaf7 622 LCDCommand(DISON);
kayekss 0:86bb740bcaf7 623 else // otherwise it's a phillips
kayekss 0:86bb740bcaf7 624 LCDCommand(DISPON);
kayekss 0:86bb740bcaf7 625 }