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NokiaLCD_6100_o
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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 131 00012 #define NOKIALCD_HEIGHT 131 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); // 16 bits par pixel 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 + 2; 00119 /* 00120 int x1 = x; 00121 int y1 = y + 0; 00122 int x2 = x1 + width - 1; 00123 int y2 = y1 + height - 1; 00124 */ 00125 int x1 = x; 00126 int y1 = y + 0; 00127 int x2 = x1 + width-1; 00128 int y2 = y1 + height-1; 00129 switch (_type) { 00130 case LCD6100: 00131 case LCD6610: 00132 command(0x15); // column 00133 data(x1); 00134 data(x2); 00135 command(0x75); // row 00136 data(y1); 00137 data(y2); 00138 command(0x5C); // start write to ram 00139 break; 00140 case PCF8833: 00141 command(0x2A); // column 00142 data(x1); 00143 data(x2); 00144 command(0x2B); // row 00145 data(y1); 00146 data(y2); 00147 command(0x2C); // start write to ram 00148 break; 00149 } 00150 } 00151 00152 void NokiaLCD::_putp(int colour) { 00153 /* int gr = ((colour >> 20) & 0x0F) 00154 | ((colour >> 8 ) & 0xF0); 00155 int nb = ((colour >> 4 ) & 0x0F); 00156 gr = 0xe0; 00157 nb = 0x07; 00158 data(nb); 00159 data(gr); 00160 */ 00161 int rg = ((colour >> 16) & 0xF8) 00162 | ((colour >> 13 ) & 0x07); 00163 int gb = ((colour >> 5 ) & 0xE0) 00164 | ((colour >> 3 ) & 0x1f); 00165 // rg = 0xf8; 00166 // rg &= 0x07; 00167 // gb &= 0xe0; 00168 // rg = 0x07; 00169 // gb = 0xe0; 00170 data(rg); 00171 data(gb); 00172 00173 } 00174 00175 const unsigned char FONT8x8[97][8] = { 00176 0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char 00177 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20 00178 0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // ! 00179 0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // " 00180 0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // # 00181 0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $ 00182 0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // % 00183 0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // & 00184 0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // ' 00185 0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // ( 00186 0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // ) 00187 0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // * 00188 0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // + 00189 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // , 00190 0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // - 00191 0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // . 00192 0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash) 00193 0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30 00194 0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1 00195 0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2 00196 0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3 00197 0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4 00198 0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5 00199 0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6 00200 0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7 00201 0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8 00202 0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9 00203 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // : 00204 0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ; 00205 0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // < 00206 0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // = 00207 0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // > 00208 0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ? 00209 0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40 00210 0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A 00211 0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B 00212 0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C 00213 0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D 00214 0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E 00215 0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F 00216 0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G 00217 0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H 00218 0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I 00219 0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J 00220 0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K 00221 0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L 00222 0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M 00223 0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N 00224 0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O 00225 0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50 00226 0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q 00227 0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R 00228 0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S 00229 0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T 00230 0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U 00231 0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V 00232 0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W 00233 0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X 00234 0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y 00235 0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z 00236 0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [ 00237 0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash) 00238 0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ] 00239 0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^ 00240 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _ 00241 0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60 00242 0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a 00243 0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b 00244 0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c 00245 0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d 00246 0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e 00247 0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f 00248 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g 00249 0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h 00250 0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i 00251 0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j 00252 0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k 00253 0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l 00254 0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m 00255 0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n 00256 0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o 00257 0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p 00258 0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q 00259 0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r 00260 0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s 00261 0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t 00262 0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u 00263 0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v 00264 0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w 00265 0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x 00266 0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y 00267 0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z 00268 0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // { 00269 0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // | 00270 0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // } 00271 0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~ 00272 0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00 00273 }; // DEL 00274 00275 void NokiaLCD::locate(int column, int row) { 00276 _column = column; 00277 _row = row; 00278 } 00279 00280 void NokiaLCD::newline() { 00281 _column = 0; 00282 _row++; 00283 if (_row >= _rows) { 00284 _row = 0; 00285 } 00286 } 00287 00288 int NokiaLCD::_putc(int value) { 00289 int x = _column * 8; // FIXME: Char sizes 00290 int y = _row * 8; 00291 // bitblit(x + 1, y + 1, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); 00292 bitblit(y , x, 8, 8, (char*)&(FONT8x8[value - 0x1F][0])); 00293 00294 _column++; 00295 00296 if (_column >= NOKIALCD_COLS) { 00297 _row++; 00298 _column = 0; 00299 } 00300 00301 if (_row >= NOKIALCD_ROWS) { 00302 _row = 0; 00303 } 00304 00305 return value; 00306 } 00307 00308 void NokiaLCD::cls() { 00309 fill(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT, _background); 00310 _row = 0; 00311 _column = 0; 00312 } 00313 00314 00315 void NokiaLCD::window(int x, int y, int width, int height) { 00316 _cs = 0; 00317 _window(x, y, width, height); 00318 _cs = 1; 00319 } 00320 00321 void NokiaLCD::putp(int colour) { 00322 _cs = 0; 00323 _putp(colour); 00324 _cs = 1; 00325 } 00326 00327 void NokiaLCD::pixel(int x, int y, int colour) { 00328 _cs = 0; 00329 // _window(x, y, 1, 1); 00330 _window(y, x, 1, 1); 00331 _putp(colour); 00332 _cs = 1; 00333 } 00334 00335 void NokiaLCD::fill(int x, int y, int width, int height, int colour) { 00336 _cs = 0; 00337 // _window(x, y, width, height); 00338 _window(y+1, x+1, height, width); 00339 switch (_type) { 00340 case LCD6100: 00341 case PCF8833: 00342 for (int i=0; i<width*height; i++) { 00343 _putp(colour); 00344 } 00345 break; 00346 case LCD6610: 00347 for (int i=0; i<width*height/2; i++) { 00348 int r4 = (colour >> (16 + 4)) & 0xF; 00349 int g4 = (colour >> (8 + 4)) & 0xF; 00350 int b4 = (colour >> (0 + 4)) & 0xF; 00351 int d1 = (r4 << 4) | g4; 00352 int d2 = (b4 << 4) | r4; 00353 int d3 = (g4 << 4) | b4; 00354 data(d1); 00355 data(d2); 00356 data(d3); 00357 } 00358 break; 00359 } 00360 _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT); 00361 _cs = 1; 00362 } 00363 00364 void NokiaLCD::blit(int x, int y, int width, int height, const int* colour) { 00365 _cs = 0; 00366 00367 _window(x, y, width, height); 00368 00369 switch (_type) { 00370 case LCD6100: 00371 case PCF8833: 00372 for (int i=0; i<width*height; i++) { 00373 _putp(colour[i]); 00374 } 00375 break; 00376 case LCD6610: 00377 for (int i=0; i<width*height/2; i++) { 00378 int r41 = (colour[i*2] >> (16 + 4)) & 0xF; 00379 int g41 = (colour[i*2] >> (8 + 4)) & 0xF; 00380 int b41 = (colour[i*2] >> (0 + 4)) & 0xF; 00381 00382 int r42 = (colour[i*2+1] >> (16 + 4)) & 0xF; 00383 int g42 = (colour[i*2+1] >> (8 + 4)) & 0xF; 00384 int b42 = (colour[i*2+1] >> (0 + 4)) & 0xF; 00385 int d1 = (r41 << 4) | g41; 00386 int d2 = (b41 << 4) | r42; 00387 int d3 = (g42 << 4) | b42; 00388 data(d1); 00389 data(d2); 00390 data(d3); 00391 } 00392 break; 00393 } 00394 _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT); 00395 _cs = 1; 00396 } 00397 00398 void NokiaLCD::bitblit(int x, int y, int width, int height, const char* bitstream) { 00399 _cs = 0; 00400 _window(x, y, width, height); 00401 00402 switch (_type) { 00403 case LCD6100: 00404 case PCF8833: 00405 for (int i=0; i<height*width; i++) { 00406 int byte = i / 8; 00407 int bit = i % 8; 00408 int colour = ((bitstream[byte] << bit) & 0x80) ? _foreground : _background; 00409 _putp(colour); 00410 } 00411 break; 00412 case LCD6610: 00413 for(int i=0; i<height*width/2; i++) { 00414 int byte1 = (i*2) / 8; 00415 int bit1 = (i*2) % 8; 00416 int colour1 = ((bitstream[byte1] << bit1) & 0x80) ? _foreground : _background; 00417 int byte2 = (i*2+1) / 8; 00418 int bit2 = (i*2+1) % 8; 00419 int colour2 = ((bitstream[byte2] << bit2) & 0x80) ? _foreground : _background; 00420 00421 int r41 = (colour1 >> (16 + 4)) & 0xF; 00422 int g41 = (colour1 >> (8 + 4)) & 0xF; 00423 int b41 = (colour1 >> (0 + 4)) & 0xF; 00424 00425 int r42 = (colour2 >> (16 + 4)) & 0xF; 00426 int g42 = (colour2 >> (8 + 4)) & 0xF; 00427 int b42 = (colour2 >> (0 + 4)) & 0xF; 00428 int d1 = (r41 << 4) | g41; 00429 int d2 = (b41 << 4) | r42; 00430 int d3 = (g42 << 4) | b42; 00431 data(d1); 00432 data(d2); 00433 data(d3); 00434 } 00435 break; 00436 } 00437 _window(0, 0, _width, _height); 00438 _cs = 1; 00439 } 00440 00441 void NokiaLCD::foreground(int c) { 00442 _foreground = c; 00443 } 00444 00445 void NokiaLCD::background(int c) { 00446 _background = c; 00447 } 00448 00449 int NokiaLCD::width() { 00450 return NOKIALCD_WIDTH; 00451 } 00452 00453 int NokiaLCD::height() { 00454 return NOKIALCD_HEIGHT; 00455 } 00456 00457 int NokiaLCD::columns() { 00458 return NOKIALCD_COLS; 00459 } 00460 00461 int NokiaLCD::rows() { 00462 return NOKIALCD_ROWS; 00463 }
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