Don DeGregori
/
NokiaLCD
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NokiaLCD.cpp
00001 /* mbed Nokia LCD Library 00002 * Copyright (c) 2007-2010, sford 00003 */ 00004 00005 #include "NokiaLCD.h" 00006 00007 #include "mbed.h" 00008 00009 #define NOKIALCD_ROWS 16 00010 #define NOKIALCD_COLS 16 00011 #define NOKIALCD_WIDTH 132 00012 #define NOKIALCD_HEIGHT 132 00013 #define NOKIALCD_FREQUENCY 5000000 00014 00015 NokiaLCD::NokiaLCD(PinName mosi, PinName sclk, PinName cs, PinName rst, LCDType type) 00016 : _spi(mosi, NC, sclk) 00017 , _rst(rst) 00018 , _cs(cs) { 00019 00020 _type = type; 00021 00022 _row = 0; 00023 _column = 0; 00024 _foreground = 0x00FFFFFF; 00025 _background = 0x00000000; 00026 00027 reset(); 00028 } 00029 00030 void NokiaLCD::reset() { 00031 00032 // setup the SPI interface and bring display out of reset 00033 _cs = 1; 00034 _rst = 0; 00035 _spi.format(9); 00036 _spi.frequency(NOKIALCD_FREQUENCY); 00037 wait_ms(1); 00038 _rst = 1; 00039 wait_ms(1); 00040 00041 _cs = 0; 00042 00043 switch (_type) { 00044 case LCD6100: 00045 command(0xCA); // display control 00046 data(0); 00047 data(32); 00048 data(0); 00049 command(0xBB); 00050 data(1); 00051 command(0xD1); // oscillator on 00052 command(0x94); // sleep out 00053 command(0x20); // power control 00054 data(0x0F); 00055 command(0xA7); // invert display 00056 command(0x81); // Voltage control 00057 data(39); // contrast setting: 0..63 00058 data(3); // resistance ratio 00059 wait_ms(1); 00060 command(0xBC); 00061 data(0); 00062 data(1); 00063 data(4); 00064 command(0xAF); // turn on the display 00065 break; 00066 00067 case LCD6610: 00068 command(0xCA); // display control 00069 data(0); 00070 data(31); 00071 data(0); 00072 command(0xBB); 00073 data(1); 00074 command(0xD1); // oscillator on 00075 command(0x94); // sleep out 00076 command(0x20); // power control 00077 data(0x0F); 00078 command(0xA7); // invert display 00079 command(0x81); // Voltage control 00080 data(39); // contrast setting: 0..63 00081 data(3); // resistance ratio 00082 wait_ms(1); 00083 command(0xBC); 00084 data(0); 00085 data(0); 00086 data(2); 00087 command(0xAF); // turn on the display 00088 break; 00089 00090 case PCF8833: 00091 command(0x11); // sleep out 00092 command(0x3A); // column mode 00093 data(0x05); 00094 command(0x36); // madctl 00095 data(0xC0); // vertical RAM, flip x 00096 command(0x25); // setcon 00097 data(0x30);// contrast 0x30 00098 wait_ms(2); 00099 command(0x29);//DISPON 00100 command(0x03);//BSTRON 00101 //command(0x21);//INVERT COLOR 00102 break; 00103 } 00104 00105 _cs = 1; 00106 00107 cls(); 00108 } 00109 00110 void NokiaLCD::command(int value) { 00111 _spi.write(value & 0xFF); 00112 } 00113 00114 void NokiaLCD::data(int value) { 00115 _spi.write(value | 0x100); 00116 } 00117 00118 void NokiaLCD::_window(int x, int y, int width, int height) { 00119 int x1 = x + 0; 00120 int y1 = y + 0; 00121 int x2 = x1 + width-1; 00122 int y2 = y1 + height-1; 00123 00124 switch (_type) { 00125 case LCD6100: 00126 case LCD6610: 00127 command(0x15); // column 00128 data(x1); 00129 data(x2); 00130 command(0x75); // row 00131 data(y1); 00132 data(y2); 00133 command(0x5C); // start write to ram 00134 break; 00135 case PCF8833: 00136 command(0x2A); // column 00137 data(x1); 00138 data(x2); 00139 command(0x2B); // row 00140 data(y1); 00141 data(y2); 00142 command(0x2C); // start write to ram 00143 break; 00144 } 00145 } 00146 00147 void NokiaLCD::_putp(int colour) { 00148 /*int gr = ((colour >> 20) & 0x0F) 00149 | ((colour >> 8 ) & 0xF0); 00150 int nb = ((colour >> 4 ) & 0x0F); 00151 data(nb); 00152 data(gr);*/ 00153 // USE 24Bit RGB, and shift to 565 00154 // [R7R6R5R4R3R2R1R0][G7G6G5G4G3G2G1G0][B7B6B5B4B3B2B1B0] 00155 /* 00156 int rg = ((colour ) & 0xF8) // [B7B6B5B4B3______] 00157 | ((colour >> 13) & 0x07); // [__________G7G6G5] 00158 int gb = ((colour >> 19 ) & 0x1F) // [______R7R6R5R4R3] 00159 | ((colour >> 5 ) & 0xE0); // [G4G3G2__________] 00160 data(rg); 00161 data(gb); 00162 */ 00163 int r5=(colour >> 19) & 0x1F; 00164 int g6=(colour >> 10) & 0x3F; 00165 int b5=(colour >> 3) & 0x1F; 00166 int rg=(r5 << 3) | (g6 >> 3); 00167 int gb=((g6 << 2) & 0xE0)| b5; 00168 data(rg); 00169 data(gb); 00170 } 00171 00172 const unsigned char FONT8x8[97][8] = { 00173 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char 00174 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20 00175 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // ! 00176 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // " 00177 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // # 00178 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $ 00179 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // % 00180 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // & 00181 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // ' 00182 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // ( 00183 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // ) 00184 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // * 00185 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // + 00186 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // , 00187 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // - 00188 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // . 00189 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash) 00190 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30 00191 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1 00192 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2 00193 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3 00194 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4 00195 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5 00196 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6 00197 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7 00198 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8 00199 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9 00200 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // : 00201 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ; 00202 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // < 00203 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // = 00204 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // > 00205 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ? 00206 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40 00207 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A 00208 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B 00209 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C 00210 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D 00211 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E 00212 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F 00213 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G 00214 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H 00215 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I 00216 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J 00217 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K 00218 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L 00219 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M 00220 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N 00221 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O 00222 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50 00223 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q 00224 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R 00225 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S 00226 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T 00227 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U 00228 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V 00229 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W 00230 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X 00231 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y 00232 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z 00233 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [ 00234 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash) 00235 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ] 00236 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^ 00237 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _ 00238 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60 00239 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a 00240 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b 00241 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c 00242 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d 00243 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e 00244 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f 00245 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g 00246 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h 00247 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i 00248 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j 00249 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k 00250 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l 00251 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m 00252 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n 00253 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o 00254 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p 00255 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q 00256 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r 00257 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s 00258 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t 00259 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u 00260 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v 00261 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w 00262 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x 00263 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y 00264 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z 00265 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // { 00266 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // | 00267 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // } 00268 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~ 00269 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00 00270 }; // DEL 00271 00272 void NokiaLCD::locate(int column, int row) { 00273 _column = column; 00274 _row = row; 00275 } 00276 00277 void NokiaLCD::newline() { 00278 _column = 0; 00279 _row++; 00280 if (_row >= _rows) { 00281 _row = 0; 00282 } 00283 } 00284 00285 int NokiaLCD::_putc(int value) { 00286 int x = _column * 8; // FIXME: Char sizes 00287 int y = _row * 8; 00288 bitblit(x + 1, y + 1, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); 00289 00290 _column++; 00291 00292 if (_column >= NOKIALCD_COLS) { 00293 _row++; 00294 _column = 0; 00295 } 00296 00297 if (_row >= NOKIALCD_ROWS) { 00298 _row = 0; 00299 } 00300 00301 return value; 00302 } 00303 00304 void NokiaLCD::cls() { 00305 fill(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT, _background); 00306 _row = 0; 00307 _column = 0; 00308 } 00309 00310 00311 void NokiaLCD::window(int x, int y, int width, int height) { 00312 _cs = 0; 00313 _window(x, y, width, height); 00314 _cs = 1; 00315 } 00316 00317 void NokiaLCD::putp(int colour) { 00318 _cs = 0; 00319 _putp(colour); 00320 _cs = 1; 00321 } 00322 00323 void NokiaLCD::pixel(int x, int y, int colour) { 00324 _cs = 0; 00325 _window(x, y, 1, 1); 00326 _putp(colour); 00327 _cs = 1; 00328 } 00329 00330 void NokiaLCD::fill(int x, int y, int width, int height, int colour) { 00331 _cs = 0; 00332 _window(x, y, width, height); 00333 switch (_type) { 00334 case LCD6100: 00335 case PCF8833: 00336 for (int i=0; i<width*height; i++) { 00337 _putp(colour); 00338 } 00339 break; 00340 case LCD6610: 00341 for (int i=0; i<width*height/2; i++) { 00342 int r4 = (colour >> (16 + 4)) & 0xF; 00343 int g4 = (colour >> (8 + 4)) & 0xF; 00344 int b4 = (colour >> (0 + 4)) & 0xF; 00345 int d1 = (r4 << 4) | g4; 00346 int d2 = (b4 << 4) | r4; 00347 int d3 = (g4 << 4) | b4; 00348 data(d1); 00349 data(d2); 00350 data(d3); 00351 } 00352 break; 00353 } 00354 _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT); 00355 _cs = 1; 00356 } 00357 00358 void NokiaLCD::blit(int x, int y, int width, int height, const int* colour) { 00359 _cs = 0; 00360 _window(x, y, width, height); 00361 00362 switch (_type) { 00363 case LCD6100: 00364 case PCF8833: 00365 for (int i=0; i<width*height; i++) { 00366 _putp(colour[i]); 00367 } 00368 break; 00369 case LCD6610: 00370 for (int i=0; i<width*height/2; i++) { 00371 int r41 = (colour[i*2] >> (16 + 4)) & 0xF; 00372 int g41 = (colour[i*2] >> (8 + 4)) & 0xF; 00373 int b41 = (colour[i*2] >> (0 + 4)) & 0xF; 00374 00375 int r42 = (colour[i*2+1] >> (16 + 4)) & 0xF; 00376 int g42 = (colour[i*2+1] >> (8 + 4)) & 0xF; 00377 int b42 = (colour[i*2+1] >> (0 + 4)) & 0xF; 00378 int d1 = (r41 << 4) | g41; 00379 int d2 = (b41 << 4) | r42; 00380 int d3 = (g42 << 4) | b42; 00381 data(d1); 00382 data(d2); 00383 data(d3); 00384 } 00385 break; 00386 } 00387 _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT); 00388 _cs = 1; 00389 } 00390 00391 void NokiaLCD::bitblit(int x, int y, int width, int height, const char* bitstream) { 00392 _cs = 0; 00393 _window(x, y, width, height); 00394 00395 switch (_type) { 00396 case LCD6100: 00397 case PCF8833: 00398 for (int i=0; i<height*width; i++) { 00399 int byte = i / 8; 00400 int bit = i % 8; 00401 int colour = ((bitstream[byte] << bit) & 0x80) ? _foreground : _background; 00402 _putp(colour); 00403 } 00404 break; 00405 case LCD6610: 00406 for(int i=0; i<height*width/2; i++) { 00407 int byte1 = (i*2) / 8; 00408 int bit1 = (i*2) % 8; 00409 int colour1 = ((bitstream[byte1] << bit1) & 0x80) ? _foreground : _background; 00410 int byte2 = (i*2+1) / 8; 00411 int bit2 = (i*2+1) % 8; 00412 int colour2 = ((bitstream[byte2] << bit2) & 0x80) ? _foreground : _background; 00413 00414 int r41 = (colour1 >> (16 + 4)) & 0xF; 00415 int g41 = (colour1 >> (8 + 4)) & 0xF; 00416 int b41 = (colour1 >> (0 + 4)) & 0xF; 00417 00418 int r42 = (colour2 >> (16 + 4)) & 0xF; 00419 int g42 = (colour2 >> (8 + 4)) & 0xF; 00420 int b42 = (colour2 >> (0 + 4)) & 0xF; 00421 int d1 = (r41 << 4) | g41; 00422 int d2 = (b41 << 4) | r42; 00423 int d3 = (g42 << 4) | b42; 00424 data(d1); 00425 data(d2); 00426 data(d3); 00427 } 00428 break; 00429 } 00430 _window(0, 0, _width, _height); 00431 _cs = 1; 00432 } 00433 00434 void NokiaLCD::foreground(int c) { 00435 _foreground = c; 00436 } 00437 00438 void NokiaLCD::background(int c) { 00439 _background = c; 00440 } 00441 00442 int NokiaLCD::width() { 00443 return NOKIALCD_WIDTH; 00444 } 00445 00446 int NokiaLCD::height() { 00447 return NOKIALCD_HEIGHT; 00448 } 00449 00450 int NokiaLCD::columns() { 00451 return NOKIALCD_COLS; 00452 } 00453 00454 int NokiaLCD::rows() { 00455 return NOKIALCD_ROWS; 00456 }
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