Paul Staron
4Dsystems Oled library
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OLED32028P1T.cpp
00001 // mbed library for 4DSystems uOLED-32028-P1T 00002 #include "mbed.h" 00003 #include "OLED32028P1T.h" 00004 00005 OLED32028P1T::OLED32028P1T(PinName serialTx, PinName serialRx, PinName resetPin) : s(serialTx, serialRx), reset(resetPin){ 00006 s.baud(BAUDRATE); 00007 while (s.readable()) { 00008 s.getc(); 00009 } } 00010 // Initialise OLED display and redifine baud faster baud rate. 00011 void OLED32028P1T::init(){ 00012 resetDisplay(); 00013 s.putc(0x55); // send byte for OLED to autodetect baudrate 00014 getResponse(); 00015 s.putc (0x51); // send code to display to change baud rate 00016 #if defined(TARGET_KL05Z) 00017 s.putc (0x0E); // send new display baud rate from list below, upto 128k 00018 #elif defined(TARGET_KL25Z) 00019 s.putc (0x0E); // send new display baud rate from list below, upto 128k 00020 #else 00021 s.putc (0x0F); // send new display baud rate from list below, maximun 282353 00022 #endif 00023 /* 00024 00hex : 110 Baud 00025 01hex : 300 Baud 00026 02hex : 600 Baud 00027 03hex : 1200 Baud 00028 04hex : 2400 Baud 00029 05hex : 4800 Baud 00030 06hex : 9600 Baud 00031 07hex : 14400 Baud 00032 08hex : 19200 Baud 00033 09hex : 31250 Baud 00034 0Ahex : 38400 Baud 00035 0Bhex : 56000 Baud 00036 0Chex : 57600 Baud 00037 0Dhex : 115200 Baud 00038 0Ehex : 128000 Baud (It is actually 129032Baud) 00039 0Fhex : 256000 Baud (It is actually 282353Baud) 00040 10hex : 128000 Baud 00041 11hex : 256000 Baud 00042 */ 00043 wait_ms(10); 00044 #undef BAUDRATE 00045 #if defined(TARGET_KL05Z) 00046 #define BAUDRATE 129032 // ***** set matching new display baud rate, upto 128k ***** 00047 #elif defined(TARGET_KL25Z) 00048 #define BAUDRATE 129032 // ***** set matching new display baud rate, upto 128k ***** 00049 # else 00050 #define BAUDRATE 282353 // ***** set matching new display baud rate, maximum 282353 ***** 00051 #endif 00052 s.baud(BAUDRATE); 00053 while (s.readable()) { 00054 s.getc(); 00055 } } 00056 void OLED32028P1T::resetDisplay(){ 00057 reset = 0; 00058 wait_ms(200); 00059 reset = 1; 00060 wait_ms(1000); 00061 } 00062 void OLED32028P1T::displayControl(int mode, int value){ 00063 s.putc(0x59); 00064 s.putc(mode); 00065 s.putc(value); 00066 getResponse(); 00067 } 00068 void OLED32028P1T::displayOff(){ 00069 s.putc(0x59); 00070 s.putc(0x01); 00071 s.putc(0x00); 00072 getResponse(); 00073 } 00074 void OLED32028P1T::displayOn(){ 00075 s.putc(0x59); 00076 s.putc(0x01); 00077 s.putc(0x01); 00078 getResponse(); 00079 } 00080 void OLED32028P1T::displaySleep(){ 00081 s.putc(0x5A); 00082 s.putc(0x02); 00083 s.putc(0xFF); 00084 while (!s.readable()){} 00085 00086 } 00087 void OLED32028P1T::getResponse(){ 00088 char response = 0x15; 00089 lastCount = 0; 00090 NAKCount = 0; 00091 while (!s.readable() || response == 0x15) { 00092 wait_ms(1); 00093 lastCount++; 00094 if (s.readable()) { 00095 response = s.getc(); // Read response 00096 if (response == 0x06) { 00097 return; 00098 } else if (response == 0x15) { 00099 NAKCount++; 00100 } } } } 00101 int OLED32028P1T::toRGB(int red, int green, int blue){ 00102 int outR = ((red * 31) / 255); 00103 int outG = ((green * 63) / 255); 00104 int outB = ((blue * 31) / 255); 00105 return (outR << 11) | (outG << 5) | outB; 00106 } 00107 void OLED32028P1T::clear(){ 00108 s.putc(0x45); 00109 getResponse(); 00110 _row = 0; 00111 _column = 0; 00112 } 00113 void OLED32028P1T::drawPixel(int x, int y, int color){ 00114 s.putc(0x50); 00115 s.putc(x >> 8); 00116 s.putc(x & 0xFF); 00117 s.putc(y >> 8); 00118 s.putc(y & 0xFF); 00119 s.putc(color >> 8); // MSB 00120 s.putc(color & 0xFF); // LSB 00121 getResponse(); 00122 } 00123 void OLED32028P1T::drawLine(int x1, int y1, int x2, int y2, int color){ 00124 s.putc(0x4C); // Line 00125 s.putc(x1 >> 8); 00126 s.putc(x1 & 0xFF); 00127 s.putc(y1 >> 8); 00128 s.putc(y1 & 0xFF); 00129 s.putc(x2 >> 8); 00130 s.putc(x2 & 0xFF); 00131 s.putc(y2 >> 8); 00132 s.putc(y2 & 0xFF); 00133 s.putc(color >> 8); // MSB 00134 s.putc(color & 0xFF); // LSB 00135 getResponse(); 00136 } 00137 void OLED32028P1T::drawRectangle(int x, int y, int width, int height, int color){ 00138 s.putc(0x72); 00139 s.putc(x >> 8); 00140 s.putc(x & 0xFF); 00141 s.putc(y >> 8); 00142 s.putc(y & 0xFF); 00143 s.putc(x+width >> 8); 00144 s.putc(x+width & 0xFF); 00145 s.putc(y+height >> 8); 00146 s.putc(y+height & 0xFF); 00147 s.putc(color >> 8); // MSB 00148 s.putc(color & 0xFF); // LSB 00149 getResponse(); 00150 } 00151 void OLED32028P1T::drawCircle(int x, int y, int radius, int color){ 00152 s.putc(0x43); 00153 s.putc(0); 00154 s.putc(x); 00155 s.putc(0); 00156 s.putc(y); 00157 s.putc(0); 00158 s.putc(radius); 00159 s.putc(color >> 8); // MSB 00160 s.putc(color & 0xFF); // LSB 00161 getResponse(); 00162 } 00163 void OLED32028P1T::setFontSize(int fontSize){ 00164 s.putc(0x46); 00165 s.putc(fontSize); 00166 _fontSize = fontSize; 00167 getResponse(); 00168 } 00169 void OLED32028P1T::setFontColor(int fontColor){ 00170 _fontColor = fontColor; 00171 } 00172 void OLED32028P1T::setPenSize(int penSize){ 00173 s.putc(0x70); 00174 s.putc(penSize); 00175 _penSize = penSize; 00176 getResponse(); 00177 } 00178 void OLED32028P1T::setTextBackgroundType(int textBackgroundType){ 00179 s.putc(0x4F); 00180 s.putc(textBackgroundType); 00181 getResponse(); 00182 } 00183 void OLED32028P1T::setBackgroundColor(int color){ 00184 s.putc(0x42); 00185 s.putc(color >> 8); // MSB 00186 s.putc(color & 0xFF); // LSB 00187 getResponse(); 00188 } 00189 void OLED32028P1T::drawText(int column, int row, int font_size, char *mytext, int color){ 00190 s.putc(0x73); 00191 // Adjust to center of the screen (26 Columns at font size 0) 00192 //int newCol = 13 - (strlen(mytext)/2); 00193 //printByte(newCol); // column 00194 s.putc(column); // column 00195 s.putc(row); // row 00196 s.putc(font_size); // font size (0 = 5x7 font, 1 = 8x8 font, 2 = 8x12 font, 3 = 12x16) 00197 s.putc(color >> 8); // MSB 00198 s.putc(color & 0xFF); // LSB 00199 for (int i = 0; i < strlen(mytext); i++) { 00200 s.putc(mytext[i]); // character to write 00201 } 00202 s.putc(0x00); // string terminator (always 0x00) 00203 getResponse(); 00204 } 00205 void OLED32028P1T::drawTextGraphic(int x, int y, int font_size, char *mytext, int width, int height, int color){ 00206 s.putc(0x53); 00207 s.putc(x >> 8); //MSB 00208 s.putc(x & 0xFF); //LSB 00209 s.putc(y >> 8); // MSB 00210 s.putc(y & 0xFF); //LSB 00211 s.putc(font_size); // font size (0 = 5x7 font, 1 = 8x8 font, 2 = 8x12 font, 3 = 12x16) 00212 s.putc(color >> 8); // MSB 00213 s.putc(color & 0xFF); // LSB 00214 s.putc(width); // character width 00215 s.putc(height); // character height 00216 for (int i = 0; i < strlen(mytext); i++) { 00217 s.putc(mytext[i]); // character to write 00218 } 00219 s.putc(0x00); // string terminator (always 0x00) 00220 getResponse(); 00221 } 00222 void OLED32028P1T::drawSingleChar(int column, int row, int theChar, int color){ 00223 s.putc(0x54); 00224 s.putc(theChar); 00225 s.putc(column); 00226 s.putc(row); 00227 s.putc(color >> 8); // MSB 00228 s.putc(color & 0xFF); // LSB 00229 getResponse(); 00230 } 00231 char OLED32028P1T::getPenSize(){ 00232 return _penSize; 00233 } 00234 void OLED32028P1T::drawTextButton(int up_down, int x, int y, int button_colour, int font, int string_colour, int width, int height, char *mytext){ 00235 s.putc(0x62); 00236 s.putc(up_down); 00237 s.putc(x >> 8); 00238 s.putc(x & 0xFF); 00239 s.putc(y >> 8); 00240 s.putc(y & 0xFF); 00241 s.putc(button_colour >> 8); 00242 s.putc(button_colour & 0xFF); 00243 s.putc(font); 00244 s.putc(string_colour >> 8); 00245 s.putc(string_colour & 0xFF); 00246 s.putc(width); 00247 s.putc(height); 00248 for (int i = 0; i < strlen(mytext); i++) { 00249 s.putc(mytext[i]); // characters to write 00250 } 00251 s.putc(0x00); 00252 getResponse(); 00253 } 00254 void OLED32028P1T::enableTouch(){ 00255 s.putc(0x59); // display control command 00256 s.putc(0x05); // Touch Control 00257 s.putc(0x00); // enable Touch 00258 getResponse(); 00259 } 00260 void OLED32028P1T::disableTouch(){ 00261 s.putc(0x59); // display control command 00262 s.putc(0x05); // Touch Control 00263 s.putc(0x01); // disable Touch 00264 getResponse(); 00265 } 00266 unsigned char OLED32028P1T::getTouch(int *xbuffer, int *ybuffer){ //Touch Press on the screen, if return=1, touch coordinates are stored on the buffer[] 00267 00268 //xbuffer=0;ybuffer=0; 00269 s.putc(0x6F); 00270 s.putc(0x04); 00271 xbuffer[0]=s.getc(); 00272 xbuffer[0]=xbuffer[0]<<8; 00273 xbuffer[0]|=s.getc(); 00274 ybuffer[0]=s.getc(); 00275 ybuffer[0]=ybuffer[0]<<8; 00276 ybuffer[0]|=s.getc(); 00277 00278 if(xbuffer[0] != 0){ 00279 s.putc(0x6F); 00280 s.putc(0x05); 00281 xbuffer[0]=s.getc(); 00282 xbuffer[0]=xbuffer[0]<<8; 00283 xbuffer[0]|=s.getc(); 00284 ybuffer[0]=s.getc(); 00285 ybuffer[0]=ybuffer[0]<<8; 00286 ybuffer[0]|=s.getc(); 00287 return 1; 00288 }else{ 00289 return 0; 00290 } 00291 } 00292 unsigned char OLED32028P1T::getTouchPress(int *xbuffer, int *ybuffer){ //Touch Release on the screen, if return=1, touch coordinates are stored on the buffer[] 00293 s.putc(0x6F); 00294 s.putc(0x01); 00295 xbuffer[0]=s.getc(); 00296 xbuffer[0]=xbuffer[0]<<8; 00297 xbuffer[0]|=s.getc(); 00298 ybuffer[0]=s.getc(); 00299 ybuffer[0]=ybuffer[0]<<8; 00300 ybuffer[0]|=s.getc(); 00301 00302 if(xbuffer[0] != 0){ 00303 s.putc(0x6F); 00304 s.putc(0x05); 00305 xbuffer[0]=s.getc(); 00306 xbuffer[0]=xbuffer[0]<<8; 00307 xbuffer[0]|=s.getc(); 00308 ybuffer[0]=s.getc(); 00309 ybuffer[0]=ybuffer[0]<<8; 00310 ybuffer[0]|=s.getc(); 00311 return 1; 00312 }else{ 00313 return 0; 00314 } 00315 } 00316 unsigned char OLED32028P1T::getTouchRelease(int *xbuffer, int *ybuffer){ //Touch Release on the screen, if return=1, touch coordinates are stored on the buffer[] 00317 s.putc(0x6F); 00318 s.putc(0x02); 00319 xbuffer[0]=s.getc(); 00320 xbuffer[0]=xbuffer[0]<<8; 00321 xbuffer[0]|=s.getc(); 00322 ybuffer[0]=s.getc(); 00323 ybuffer[0]=ybuffer[0]<<8; 00324 ybuffer[0]|=s.getc(); 00325 00326 if(xbuffer[0] != 0){ 00327 s.putc(0x6F); 00328 s.putc(0x05); 00329 xbuffer[0]=s.getc(); 00330 xbuffer[0]=xbuffer[0]<<8; 00331 xbuffer[0]|=s.getc(); 00332 ybuffer[0]=s.getc(); 00333 ybuffer[0]=ybuffer[0]<<8; 00334 ybuffer[0]|=s.getc(); 00335 return 1; 00336 }else{ 00337 return 0; 00338 } 00339 } 00340 void OLED32028P1T::setTouchArea(int x1, int y1 , int x2, int y2) { // define touch area 00341 char command[9]= "";int i; 00342 command[0] = (0x75); 00343 command[1] = (x1 >> 8) & 0xFF; 00344 command[2] = x1 & 0xFF; 00345 command[3] = (y1 >> 8) & 0xFF; 00346 command[4] = y1 & 0xFF; 00347 command[5] = (x2 >> 8) & 0xFF; 00348 command[6] = x2 & 0xFF; 00349 command[7] = (y2 >> 8) & 0xFF; 00350 command[8] = y2 & 0xFF; 00351 for (i = 0; i < 9; i++) s.putc(command[i]); 00352 getResponse(); 00353 } 00354 void OLED32028P1T::resetTouchArea(){ 00355 s.putc(0x59); // display control command 00356 s.putc(0x05); // Touch Control 00357 s.putc(0x02); // reset Touch Area to whole screen 00358 getResponse(); 00359 } 00360 void OLED32028P1T::waitTouch(int x){ 00361 s.putc(0x77); // wait Touch command 00362 s.putc(x >> 8); // MSB 00363 s.putc(x & 0xFF); // LSB 00364 getResponse(); 00365 } 00366 unsigned char OLED32028P1T::stringSD(int x1, int y1, int x2, int y2, int colour, unsigned char font, unsigned char fill, int BS, int BR, char name[]){ 00367 //Draw a String from a text file contained on the micro SD card on the screen 00368 unsigned char counter=0; 00369 s.putc('S'); 00370 s.putc('S'); //from SD 00371 s.putc(x1>>8); 00372 s.putc(x1); 00373 s.putc(y1>>8); 00374 s.putc(y1); 00375 s.putc(x2>>8); 00376 s.putc(x2); 00377 s.putc(y2>>8); 00378 s.putc(y2); 00379 s.putc(colour>>8); 00380 s.putc(colour); 00381 s.putc(font); 00382 s.putc(fill); 00383 s.putc(BS>>8); 00384 s.putc(BS); 00385 s.putc(BR>>8); 00386 s.putc(BR); 00387 while(1){ 00388 s.putc(name[counter]); 00389 if(name[counter]==0x00){ 00390 break; 00391 } 00392 counter++; 00393 } 00394 return s.getc(); 00395 } 00396 unsigned char OLED32028P1T::imageSD(int x, int y, char name[]){ 00397 //Draw an Image contained on the micro SD card on the screen, top left corner coordinates 00398 unsigned char counter=0; 00399 s.putc('I'); 00400 s.putc('S'); //from SD 00401 s.putc(x>>8); 00402 s.putc(x); 00403 s.putc(y>>8); 00404 s.putc(y); 00405 while(1){ 00406 s.putc(name[counter]); 00407 if(name[counter]==0x00){ 00408 break; 00409 } 00410 counter++; 00411 } 00412 return s.getc(); 00413 } 00414 int OLED32028P1T::_putc(int value){ 00415 if (value == '\n') { 00416 _column = 0; 00417 _row++; 00418 if(_row >= rows()) { 00419 _row = 0; 00420 } 00421 } else { 00422 drawSingleChar(_column, _row, value, _fontColor); 00423 wait_ms(1); //TODO: why is this needed? 00424 _column++; 00425 if (_column >= columns()) { 00426 _column = 0; 00427 _row++; 00428 if(_row >= rows()) { 00429 _row = 0; 00430 } } } 00431 return value; 00432 } 00433 void OLED32028P1T::locate(int column, int row){ 00434 _column = column; 00435 _row = row; 00436 } 00437 int OLED32028P1T::rows(){ 00438 return 30; 00439 } 00440 int OLED32028P1T::columns(){ 00441 return 55; 00442 } 00443 int OLED32028P1T::_getc(){ 00444 return -1; 00445 }
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