16±â°¡ SdÄ«µå¿¡ bmp À̹ÌÁö¸¦ ³Ö°í ȸ鿡 Ãâ·ÂÇÏ´Â ÀÛ¾÷À» ÇÏ°í Àִµ¥, sdÄ«µå°¡ 16±â°¡¶ó ÀÎÅͳݿ¡ ¶°µµ´Â ¿¹Á¦µé(2±â°¡ÀÌÇÏsdÄ«µåÀÌ¿ë)À» ÀÌ¿ë¸øÇÏ°í ÀÖ½À´Ï´Ù ¤Ð<div>´Ù¸¥ ÀϹÝÀûÀÎ ÅؽºÆ® Ãâ·ÂÇã±â, ½Ã°£³¯Â¥ Ç¥½ÃÇϱ⠵îµîÀº Àß µÇ´Âµ¥ sdÄ«µå¿¡¼ À̹ÌÁö °¡Á®¿À´Â°Ô µµÀúÈ÷ ¾ÈµÇ³×¿ä ¤Ð</div><div><br></div><div>http://kocoafab.cc/tutorial/view/230 </div><div>ÇöÀç ÀÌ°É º¸¸é¼ µû¶óÇغ¸·ÁÇϴµ¥.. </div><div><br></div><div>1. ´Ù¸¥ ¿¹Á¦´Â ILI9327·Î Çؼ Á¤»óÀûÀ¸·Î µ¹¾Æ°¡°Ô Çß½À´Ï´Ù. ±×·³ ILI9327ÀÌ ÀÌ ±¸¸ÅÇÑ ¿¤¾¾µðÀÇ ¸ðµ¨¸í ¸Â³ª¿ä?</div><div><br></div><div>2. ILI9327ÀÌ ¸ðµ¨¸íÀ̶õ °¡Á¤ÇÏ¿¡ Àú »çÀÌÆ®ÀÇ °úÁ¤À» µû¶ó°¡µÇ, ILI9327 ¶óÀ̺귯¸®¸¦ ã¾Æ¼ (UTFT_master) ¶óÀ̺귯¸® Ãß°¡ÇÏ¿© Å×½ºÆ®¸¦ ÇÏ¿´´Âµ¥µµ ½ÇÆÐÇÏ¿´½À´Ï´Ù..</div><div><br></div><div>3. º¸Åë ÀÎÅÍ³Ý »çÀÌÆ® ¿¹Á¦µéÀ» º¸¸é ¶óÀ̺귯¸® Ãß°¡ ÈÄ, bmp ¿¹Á¦ ½ÇÇà, bmp ÆÄÀÏ¸í¸¸ º¯°æÇØÁÖ°í À̹ÌÁö °¡Á®¿À´Â °£´ÜÇÏ°Ô ÇÏ´øµ¥ ÀÌ°Ç ¿Ö ¾ÈµÉ±î¿ä..¤Ð¤Ð ºü¸¥ ´äº¯ ºÎŹµå¸³´Ï´Ù..!!</div><div><br></div><div><div>ILI9327 ¶óÀ̺귯¸® Ãß°¡ÇÏ¿©¼ ½ÇÇàÇÑ ¿¹Á¦ ÀÔ´Ï´Ù. </div><div><br></div><div>#include <Adafruit_GFX.h> // Core graphics library</div><div>#include <Adafruit_TFTLCD.h> // Hardware-specific library</div><div>#include <SD.h></div><div>#include <SPI.h></div><div><br></div><div>#define LCD_CS A3 // Chip Select goes to Analog 3</div><div>#define LCD_CD A2 // Command/Data goes to Analog 2</div><div>#define LCD_WR A1 // LCD Write goes to Analog 1</div><div>#define LCD_RD A0 // LCD Read goes to Analog 0</div><div><br></div><div>Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, A4);</div><div><br></div><div>void setup()</div><div>{</div><div> Serial.begin(9600);</div><div><br></div><div> tft.reset();</div><div><br></div><div> uint16_t identifier = tft.readID();</div><div><br></div><div> if(identifier == 0x9325) {</div><div> Serial.println(F("Found ILI9325 LCD driver"));</div><div> } else if(identifier == 0x9328) {</div><div> Serial.println(F("Found ILI9328 LCD driver"));</div><div> } else if(identifier == 0x7575) {</div><div> Serial.println(F("Found HX8347G LCD driver"));</div><div> } else if(identifier == 0x9341) {</div><div> Serial.println(F("Found ILI9341 LCD driver"));</div><div> } else if(identifier == 0x8357) {</div><div> Serial.println(F("Found HX8357D LCD driver"));</div><div> } else {</div><div> Serial.print(F("Unknown LCD driver chip: "));</div><div> Serial.println(identifier, HEX);</div><div> Serial.println(F("If using the Adafruit 2.8\" TFT Arduino shield, the line:"));</div><div> Serial.println(F(" #define USE_ADAFRUIT_SHIELD_PINOUT"));</div><div> Serial.println(F("should appear in the library header (Adafruit_TFT.h)."));</div><div> Serial.println(F("If using the breakout board, it should NOT be #defined!"));</div><div> Serial.println(F("Also if using the breakout, double-check that all wiring"));</div><div> Serial.println(F("matches the tutorial."));</div><div> return;</div><div> }</div><div><br></div><div> tft.begin(identifier);</div><div><br></div><div> Serial.print(F("Initializing SD card..."));</div><div> if (!SD.begin(SD_CS)) {</div><div> Serial.println(F("failed!"));</div><div> return;</div><div> }</div><div> Serial.println(F("OK!"));</div><div><br></div><div> bmpDraw("test.bmp", 0, 0);</div><div> delay(1000);</div><div>}</div><div><br></div><div>void loop()</div><div>{</div><div> for(int i = 0; i<4; i++) {</div><div> tft.setRotation(i);</div><div> tft.fillScreen(0);</div><div> for(int j=0; j <= 200; j += 50) {</div><div> bmpDraw("test.bmp", j, j);</div><div> }</div><div> delay(1000);</div><div> }</div><div>}</div><div>#define BUFFPIXEL 20</div><div><br></div><div>void bmpDraw(char *filename, int x, int y) {</div><div><br></div><div> File bmpFile;</div><div> int bmpWidth, bmpHeight; // W+H in pixels</div><div> uint8_t bmpDepth; // Bit depth (currently must be 24)</div><div> uint32_t bmpImageoffset; // Start of image data in file</div><div> uint32_t rowSize; // Not always = bmpWidth; may have padding</div><div> uint8_t sdbuffer[3*BUFFPIXEL]; // pixel in buffer (R+G+B per pixel)</div><div> uint16_t lcdbuffer[BUFFPIXEL]; // pixel out buffer (16-bit per pixel)</div><div> uint8_t buffidx = sizeof(sdbuffer); // Current position in sdbuffer</div><div> boolean goodBmp = false; // Set to true on valid header parse</div><div> boolean flip = true; // BMP is stored bottom-to-top</div><div> int w, h, row, col;</div><div> uint8_t r, g, b;</div><div> uint32_t pos = 0, startTime = millis();</div><div> uint8_t lcdidx = 0;</div><div> boolean first = true;</div><div><br></div><div> if((x >= tft.width()) || (y >= tft.height())) return;</div><div><br></div><div> Serial.println();</div><div> Serial.print(F("Loading image '"));</div><div> Serial.print(filename);</div><div> Serial.println('\'');</div><div> // Open requested file on SD card</div><div> if ((bmpFile = SD.open(filename)) == NULL) {</div><div> Serial.println(F("File not found"));</div><div> return;</div><div> }</div><div><br></div><div> // Parse BMP header</div><div> if(read16(bmpFile) == 0x4D42) { // BMP signature</div><div> Serial.println(F("File size: ")); Serial.println(read32(bmpFile));</div><div> (void)read32(bmpFile); // Read & ignore creator bytes</div><div> bmpImageoffset = read32(bmpFile); // Start of image data</div><div> Serial.print(F("Image Offset: ")); Serial.println(bmpImageoffset, DEC);</div><div> // Read DIB header</div><div> Serial.print(F("Header size: ")); Serial.println(read32(bmpFile));</div><div> bmpWidth = read32(bmpFile);</div><div> bmpHeight = read32(bmpFile);</div><div> if(read16(bmpFile) == 1) { // # planes -- must be '1'</div><div> bmpDepth = read16(bmpFile); // bits per pixel</div><div> Serial.print(F("Bit Depth: ")); Serial.println(bmpDepth);</div><div> if((bmpDepth == 24) && (read32(bmpFile) == 0)) { // 0 = uncompressed</div><div><br></div><div> goodBmp = true; // Supported BMP format -- proceed!</div><div> Serial.print(F("Image size: "));</div><div> Serial.print(bmpWidth);</div><div> Serial.print('x');</div><div> Serial.println(bmpHeight);</div><div><br></div><div> // BMP rows are padded (if needed) to 4-byte boundary</div><div> rowSize = (bmpWidth * 3 + 3) & ~3;</div><div><br></div><div> // If bmpHeight is negative, image is in top-down order.</div><div> // This is not canon but has been observed in the wild.</div><div> if(bmpHeight < 0) {</div><div> bmpHeight = -bmpHeight;</div><div> flip = false;</div><div> }</div><div><br></div><div> // Crop area to be loaded</div><div> w = bmpWidth;</div><div> h = bmpHeight;</div><div> if((x+w-1) >= tft.width()) w = tft.width() - x;</div><div> if((y+h-1) >= tft.height()) h = tft.height() - y;</div><div><br></div><div> // Set TFT address window to clipped image bounds</div><div> tft.setAddrWindow(x, y, x+w-1, y+h-1);</div><div><br></div><div> for (row=0; row<h; row++) { // For each scanline...</div><div> // Seek to start of scan line. It might seem labor-</div><div> // intensive to be doing this on every line, but this</div><div> // method covers a lot of gritty details like cropping</div><div> // and scanline padding. Also, the seek only takes</div><div> // place if the file position actually needs to change</div><div> // (avoids a lot of cluster math in SD library).</div><div> if(flip) // Bitmap is stored bottom-to-top order (normal BMP)</div><div> pos = bmpImageoffset + (bmpHeight - 1 - row) * rowSize;</div><div> else // Bitmap is stored top-to-bottom</div><div> pos = bmpImageoffset + row * rowSize;</div><div> if(bmpFile.position() != pos) { // Need seek?</div><div> bmpFile.seek(pos);</div><div> buffidx = sizeof(sdbuffer); // Force buffer reload</div><div> }</div><div><br></div><div> for (col=0; col<w; col++) { // For each column...</div><div> // Time to read more pixel data?</div><div> if (buffidx >= sizeof(sdbuffer)) { // Indeed</div><div> // Push LCD buffer to the display first</div><div> if(lcdidx > 0) {</div><div> tft.pushColors(lcdbuffer, lcdidx, first);</div><div> lcdidx = 0;</div><div> first = false;</div><div> }</div><div> bmpFile.read(sdbuffer, sizeof(sdbuffer));</div><div> buffidx = 0; // Set index to beginning</div><div> }</div><div><br></div><div> // Convert pixel from BMP to TFT format</div><div> b = sdbuffer[buffidx++];</div><div> g = sdbuffer[buffidx++];</div><div> r = sdbuffer[buffidx++];</div><div> lcdbuffer[lcdidx++] = tft.color565(r,g,b);</div><div> } // end pixel</div><div> } // end scanline</div><div> // Write any remaining data to LCD</div><div> if(lcdidx > 0) {</div><div> tft.pushColors(lcdbuffer, lcdidx, first);</div><div> } </div><div> Serial.print(F("Loaded in "));</div><div> Serial.print(millis() - startTime);</div><div> Serial.println(" ms");</div><div> } // end goodBmp</div><div> }</div><div> }</div><div><br></div><div> bmpFile.close();</div><div> if(!goodBmp) Serial.println(F("BMP format not recognized."));</div><div>}</div><div><br></div><div>// These read 16- and 32-bit types from the SD card file.</div><div>// BMP data is stored little-endian, Arduino is little-endian too.</div><div>// May need to reverse subscript order if porting elsewhere.</div><div><br></div><div>uint16_t read16(File f) {</div><div> uint16_t result;</div><div> ((uint8_t *)&result)[0] = f.read(); // LSB</div><div> ((uint8_t *)&result)[1] = f.read(); // MSB</div><div> return result;</div><div>}</div><div><br></div><div>uint32_t read32(File f) {</div><div> uint32_t result;</div><div> ((uint8_t *)&result)[0] = f.read(); // LSB</div><div> ((uint8_t *)&result)[1] = f.read();</div><div> ((uint8_t *)&result)[2] = f.read();</div><div> ((uint8_t *)&result)[3] = f.read(); // MSB</div><div> return result;</div><div>}</div></div><div><br></div><div><br></div><div><br></div><div><br></div><div><¿À·ù¸Þ¼¼Áö></div><div><br></div><div><br></div><div><div>¾ÆµÎÀ̳ë:1.6.12 (Windows 10), º¸µå:"Arduino/Genuino Mega or Mega 2560, ATmega2560 (Mega 2560)"</div><div><br></div><div>C:\Users\yeom\AppData\Local\Temp\arduino_modified_sketch_105802\tftbmp.pde: In function 'void setup()':</div><div><br></div><div>tftbmp:51: error: 'SD_CS' was not declared in this scope</div><div><br></div><div> if (!SD.begin(SD_CS)) {</div><div><br></div><div> ^</div><div><br></div><div>C:\Users\yeom\AppData\Local\Temp\arduino_modified_sketch_105802\tftbmp.pde:57:27: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]</div><div><br></div><div> bmpDraw("test.bmp", 0, 0);</div><div><br></div><div> ^</div><div><br></div><div>C:\Users\yeom\AppData\Local\Temp\arduino_modified_sketch_105802\tftbmp.pde: In function 'void loop()':</div><div><br></div><div>C:\Users\yeom\AppData\Local\Temp\arduino_modified_sketch_105802\tftbmp.pde:67:31: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]</div><div><br></div><div> bmpDraw("test.bmp", j, j);</div><div><br></div><div> ^</div><div><br></div><div>C:\Users\yeom\AppData\Local\Temp\arduino_modified_sketch_105802\tftbmp.pde: In function 'void bmpDraw(char*, int, int)':</div><div><br></div><div>C:\Users\yeom\AppData\Local\Temp\arduino_modified_sketch_105802\tftbmp.pde:99:40: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]</div><div><br></div><div> if ((bmpFile = SD.open(filename)) == NULL) {</div><div><br></div><div> ^</div><div><br></div><div>exit status 1</div><div>'SD_CS' was not declared in this scope</div><div><br></div><div><br></div></div>