Sparkfun's Nokia Color LCD Arduino Shield library for FRDM boards
Dependents: ColorLCDShield_Conway
ColorLCDShield.cpp@0:86bb740bcaf7, 2013-05-08 (annotated)
- Committer:
- kayekss
- Date:
- Wed May 08 19:43:34 2013 +0000
- Revision:
- 0:86bb740bcaf7
- Child:
- 1:2d65bfd1218c
Sparkfun's Nokia Color LCD Arduino Shield library for FRDM boards
Who changed what in which revision?
User | Revision | Line number | New 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 | 0:86bb740bcaf7 | 34 | static char x_offset = 0; |
kayekss | 0:86bb740bcaf7 | 35 | static char y_offset = 0; |
kayekss | 0:86bb740bcaf7 | 36 | |
kayekss | 0:86bb740bcaf7 | 37 | DigitalOut res(PTA13); // Arduino D8 |
kayekss | 0:86bb740bcaf7 | 38 | DigitalOut cs(PTD5); // Arduino D9 |
kayekss | 0:86bb740bcaf7 | 39 | DigitalOut dio(PTD2); // Arduino D11 |
kayekss | 0:86bb740bcaf7 | 40 | DigitalOut sck(PTD1); // 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 | 0:86bb740bcaf7 | 212 | x_offset = 0; |
kayekss | 0:86bb740bcaf7 | 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 | } |