Istvan Papp
/
NokiaLCD
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NokiaLCD
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William Johnston
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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 130 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(32); 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(0x60); // 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 break; 00102 } 00103 00104 _cs = 1; 00105 00106 cls(); 00107 } 00108 00109 void NokiaLCD::command(int value) { 00110 _spi.write(value & 0xFF); 00111 } 00112 00113 void NokiaLCD::data(int value) { 00114 _spi.write(value | 0x100); 00115 } 00116 00117 void NokiaLCD::_window(int x, int y, int width, int height) { 00118 int x1 = x + 0; 00119 int y1 = y + 0; 00120 int x2 = x1 + width - 1; 00121 int y2 = y1 + height - 1; 00122 00123 switch (_type) { 00124 case LCD6100: 00125 case LCD6610: 00126 command(0x15); // column 00127 data(x1); 00128 data(x2); 00129 command(0x75); // row 00130 data(y1); 00131 data(y2); 00132 command(0x5C); // start write to ram 00133 break; 00134 case PCF8833: 00135 command(0x2A); // column 00136 data(x1); 00137 data(x2); 00138 command(0x2B); // row 00139 data(y1); 00140 data(y2); 00141 command(0x2C); // start write to ram 00142 break; 00143 } 00144 } 00145 00146 void NokiaLCD::_putp(int colour) { 00147 int gr = ((colour >> 20) & 0x0F) 00148 | ((colour >> 8 ) & 0xF0); 00149 int nb = ((colour >> 4 ) & 0x0F); 00150 data(nb); 00151 data(gr); 00152 } 00153 00154 const unsigned char FONT8x8[97][8] = { 00155 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char 00156 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20 00157 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // ! 00158 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // " 00159 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // # 00160 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $ 00161 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // % 00162 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // & 00163 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // ' 00164 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // ( 00165 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // ) 00166 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // * 00167 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // + 00168 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // , 00169 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // - 00170 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // . 00171 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash) 00172 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30 00173 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1 00174 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2 00175 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3 00176 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4 00177 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5 00178 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6 00179 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7 00180 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8 00181 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9 00182 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // : 00183 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ; 00184 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // < 00185 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // = 00186 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // > 00187 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ? 00188 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40 00189 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A 00190 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B 00191 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C 00192 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D 00193 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E 00194 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F 00195 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G 00196 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H 00197 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I 00198 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J 00199 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K 00200 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L 00201 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M 00202 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N 00203 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O 00204 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50 00205 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q 00206 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R 00207 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S 00208 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T 00209 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U 00210 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V 00211 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W 00212 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X 00213 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y 00214 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z 00215 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [ 00216 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash) 00217 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ] 00218 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^ 00219 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _ 00220 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60 00221 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a 00222 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b 00223 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c 00224 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d 00225 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e 00226 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f 00227 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g 00228 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h 00229 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i 00230 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j 00231 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k 00232 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l 00233 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m 00234 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n 00235 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o 00236 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p 00237 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q 00238 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r 00239 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s 00240 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t 00241 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u 00242 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v 00243 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w 00244 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x 00245 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y 00246 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z 00247 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // { 00248 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // | 00249 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // } 00250 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~ 00251 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00 00252 }; // DEL 00253 00254 void NokiaLCD::locate(int column, int row) { 00255 _column = column; 00256 _row = row; 00257 } 00258 00259 void NokiaLCD::newline() { 00260 _column = 0; 00261 _row++; 00262 if (_row >= _rows) { 00263 _row = 0; 00264 } 00265 } 00266 00267 int NokiaLCD::_putc(int value) { 00268 int x = _column * 8; // FIXME: Char sizes 00269 int y = _row * 8; 00270 bitblit(x + 1, y + 1, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); 00271 00272 _column++; 00273 00274 if (_column >= NOKIALCD_COLS) { 00275 _row++; 00276 _column = 0; 00277 } 00278 00279 if (_row >= NOKIALCD_ROWS) { 00280 _row = 0; 00281 } 00282 00283 return value; 00284 } 00285 00286 void NokiaLCD::cls() { 00287 fill(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT, _background); 00288 _row = 0; 00289 _column = 0; 00290 } 00291 00292 00293 void NokiaLCD::window(int x, int y, int width, int height) { 00294 _cs = 0; 00295 _window(x, y, width, height); 00296 _cs = 1; 00297 } 00298 00299 void NokiaLCD::putp(int colour) { 00300 _cs = 0; 00301 _putp(colour); 00302 _cs = 1; 00303 } 00304 00305 void NokiaLCD::pixel(int x, int y, int colour) { 00306 _cs = 0; 00307 _window(x, y, 1, 1); 00308 switch (_type) { 00309 case LCD6100: 00310 case PCF8833: 00311 00312 _putp(colour); 00313 00314 break; 00315 case LCD6610: 00316 00317 int r4 = (colour >> (16 + 4)) & 0xF; 00318 int g4 = (colour >> (8 + 4)) & 0xF; 00319 int b4 = (colour >> (0 + 4)) & 0xF; 00320 int d1 = (r4 << 4) | g4; 00321 int d2 = (b4 << 4) | r4; 00322 int d3 = (g4 << 4) | b4; 00323 data(d1); 00324 data(d2); 00325 data(d3); 00326 00327 break; 00328 } 00329 _cs = 1; 00330 } 00331 00332 void NokiaLCD::fill(int x, int y, int width, int height, int colour) { 00333 _cs = 0; 00334 _window(x, y, width, height); 00335 switch (_type) { 00336 case LCD6100: 00337 case PCF8833: 00338 for (int i=0; i<width*height; i++) { 00339 _putp(colour); 00340 } 00341 break; 00342 case LCD6610: 00343 for (int i=0; i<width*height/2; i++) { 00344 int r4 = (colour >> (16 + 4)) & 0xF; 00345 int g4 = (colour >> (8 + 4)) & 0xF; 00346 int b4 = (colour >> (0 + 4)) & 0xF; 00347 int d1 = (r4 << 4) | g4; 00348 int d2 = (b4 << 4) | r4; 00349 int d3 = (g4 << 4) | b4; 00350 data(d1); 00351 data(d2); 00352 data(d3); 00353 } 00354 break; 00355 } 00356 _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT); 00357 _cs = 1; 00358 } 00359 00360 void NokiaLCD::blit(int x, int y, int width, int height, const int* colour) { 00361 _cs = 0; 00362 _window(x, y, width, height); 00363 00364 switch (_type) { 00365 case LCD6100: 00366 case PCF8833: 00367 for (int i=0; i<width*height; i++) { 00368 _putp(colour[i]); 00369 } 00370 break; 00371 case LCD6610: 00372 for (int i=0; i<width*height/2; i++) { 00373 int r41 = (colour[i*2] >> (16 + 4)) & 0xF; 00374 int g41 = (colour[i*2] >> (8 + 4)) & 0xF; 00375 int b41 = (colour[i*2] >> (0 + 4)) & 0xF; 00376 00377 int r42 = (colour[i*2+1] >> (16 + 4)) & 0xF; 00378 int g42 = (colour[i*2+1] >> (8 + 4)) & 0xF; 00379 int b42 = (colour[i*2+1] >> (0 + 4)) & 0xF; 00380 int d1 = (r41 << 4) | g41; 00381 int d2 = (b41 << 4) | r42; 00382 int d3 = (g42 << 4) | b42; 00383 data(d1); 00384 data(d2); 00385 data(d3); 00386 } 00387 break; 00388 } 00389 _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT); 00390 _cs = 1; 00391 } 00392 00393 void NokiaLCD::bitblit(int x, int y, int width, int height, const char* bitstream) { 00394 _cs = 0; 00395 _window(x, y, width, height); 00396 00397 switch (_type) { 00398 case LCD6100: 00399 case PCF8833: 00400 for (int i=0; i<height*width; i++) { 00401 int byte = i / 8; 00402 int bit = i % 8; 00403 int colour = ((bitstream[byte] << bit) & 0x80) ? _foreground : _background; 00404 _putp(colour); 00405 } 00406 break; 00407 case LCD6610: 00408 for(int i=0; i<height*width/2; i++) { 00409 int byte1 = (i*2) / 8; 00410 int bit1 = (i*2) % 8; 00411 int colour1 = ((bitstream[byte1] << bit1) & 0x80) ? _foreground : _background; 00412 int byte2 = (i*2+1) / 8; 00413 int bit2 = (i*2+1) % 8; 00414 int colour2 = ((bitstream[byte2] << bit2) & 0x80) ? _foreground : _background; 00415 00416 int r41 = (colour1 >> (16 + 4)) & 0xF; 00417 int g41 = (colour1 >> (8 + 4)) & 0xF; 00418 int b41 = (colour1 >> (0 + 4)) & 0xF; 00419 00420 int r42 = (colour2 >> (16 + 4)) & 0xF; 00421 int g42 = (colour2 >> (8 + 4)) & 0xF; 00422 int b42 = (colour2 >> (0 + 4)) & 0xF; 00423 int d1 = (r41 << 4) | g41; 00424 int d2 = (b41 << 4) | r42; 00425 int d3 = (g42 << 4) | b42; 00426 data(d1); 00427 data(d2); 00428 data(d3); 00429 } 00430 break; 00431 } 00432 _window(0, 0, _width, _height); 00433 _cs = 1; 00434 } 00435 00436 void NokiaLCD::foreground(int c) { 00437 _foreground = c; 00438 } 00439 00440 void NokiaLCD::background(int c) { 00441 _background = c; 00442 } 00443 00444 int NokiaLCD::width() { 00445 return NOKIALCD_WIDTH; 00446 } 00447 00448 int NokiaLCD::height() { 00449 return NOKIALCD_HEIGHT; 00450 } 00451 00452 int NokiaLCD::columns() { 00453 return NOKIALCD_COLS; 00454 } 00455 00456 int NokiaLCD::rows() { 00457 return NOKIALCD_ROWS; 00458 }
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