// https://github.com/PaulStoffregen/ILI9341_t3 // http://forum.pjrc.com/threads/26305-Highly-optimized-ILI9341-(320x240-TFT-color-display)-library /*************************************************** This is our library for the Adafruit ILI9341 Breakout and Shield ----> http://www.adafruit.com/products/1651 Check out the links above for our tutorials and wiring diagrams These displays use SPI to communicate, 4 or 5 pins are required to interface (RST is optional) Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Limor Fried/Ladyada for Adafruit Industries. MIT license, all text above must be included in any redistribution ****************************************************/ #ifndef _ILI9341_t3H_ #define _ILI9341_t3H_ //#include "Arduino.h" #include "stdbool.h" #define ILI9341_TFTWIDTH 240 #define ILI9341_TFTHEIGHT 320 #define ILI9341_NOP 0x00 #define ILI9341_SWRESET 0x01 #define ILI9341_RDDID 0x04 #define ILI9341_RDDST 0x09 #define ILI9341_SLPIN 0x10 #define ILI9341_SLPOUT 0x11 #define ILI9341_PTLON 0x12 #define ILI9341_NORON 0x13 #define ILI9341_RDMODE 0x0A #define ILI9341_RDMADCTL 0x0B #define ILI9341_RDPIXFMT 0x0C #define ILI9341_RDIMGFMT 0x0A #define ILI9341_RDSELFDIAG 0x0F #define ILI9341_INVOFF 0x20 #define ILI9341_INVON 0x21 #define ILI9341_GAMMASET 0x26 #define ILI9341_DISPOFF 0x28 #define ILI9341_DISPON 0x29 #define ILI9341_CASET 0x2A #define ILI9341_PASET 0x2B #define ILI9341_RAMWR 0x2C #define ILI9341_RAMRD 0x2E #define ILI9341_PTLAR 0x30 #define ILI9341_MADCTL 0x36 #define ILI9341_PIXFMT 0x3A #define ILI9341_FRMCTR1 0xB1 #define ILI9341_FRMCTR2 0xB2 #define ILI9341_FRMCTR3 0xB3 #define ILI9341_INVCTR 0xB4 #define ILI9341_DFUNCTR 0xB6 #define ILI9341_PWCTR1 0xC0 #define ILI9341_PWCTR2 0xC1 #define ILI9341_PWCTR3 0xC2 #define ILI9341_PWCTR4 0xC3 #define ILI9341_PWCTR5 0xC4 #define ILI9341_VMCTR1 0xC5 #define ILI9341_VMCTR2 0xC7 #define ILI9341_RDID1 0xDA #define ILI9341_RDID2 0xDB #define ILI9341_RDID3 0xDC #define ILI9341_RDID4 0xDD #define ILI9341_GMCTRP1 0xE0 #define ILI9341_GMCTRN1 0xE1 /* #define ILI9341_PWCTR6 0xFC */ // Color definitions #define ILI9341_BLACK 0x0000 #define ILI9341_BLUE 0x001F #define ILI9341_RED 0xF800 #define ILI9341_GREEN 0x07E0 #define ILI9341_CYAN 0x07FF #define ILI9341_MAGENTA 0xF81F #define ILI9341_YELLOW 0xFFE0 #define ILI9341_WHITE 0xFFFF //class ILI9341_t3 : public Print //{ // public: ILI9341_t3(uint8_t _CS, uint8_t _DC, uint8_t _RST = 255); void begin(void); void pushColor(uint16_t color); void fillScreen(uint16_t color); void drawPixel(int16_t x, int16_t y, uint16_t color); void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color); void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color); void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color); void setRotation(uint8_t r); void invertDisplay(bool i); void setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1); // Pass 8-bit (each) R,G,B, get back 16-bit packed color static uint16_t color565(uint8_t r, uint8_t g, uint8_t b) { return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3); } //uint8_t readdata(void); uint8_t readcommand8(uint8_t reg, uint8_t index = 0); // KJE Added functions to read pixel data... uint16_t readPixel(int16_t x, int16_t y); // from Adafruit_GFX.h void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color); void drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint16_t color); void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color); void fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint16_t color); void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color); void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color); void drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color); void fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color); void drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color); void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size); void setCursor(int16_t x, int16_t y); void setTextColor(uint16_t c); void setTextColor(uint16_t c, uint16_t bg); void setTextSize(uint8_t s); void setTextWrap(bool w); virtual size_t write(uint8_t); int16_t width(void) { return _width; } int16_t height(void) { return _height; } uint8_t getRotation(void); void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color); void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color); // protected: int16_t _width, _height, // Display w/h as modified by current rotation cursor_x, cursor_y; uint16_t textcolor, textbgcolor; uint8_t textsize, rotation; bool wrap; // If set, 'wrap' text at right edge of display // private: uint8_t _rst; uint8_t _cs, _dc; uint8_t pcs_data, pcs_command; void setAddr(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) __attribute__((always_inline)) { writecommand_cont(ILI9341_CASET); // Column addr set writedata16_cont(x0); // XSTART writedata16_cont(x1); // XEND writecommand_cont(ILI9341_PASET); // Row addr set writedata16_cont(y0); // YSTART writedata16_cont(y1); // YEND } //void waitFifoNotFull(void) __attribute__((always_inline)) { void waitFifoNotFull(void) { uint32_t sr; uint32_t tmp __attribute__((unused)); do { sr = SPI0.SR; if (sr & 0xF0) tmp = SPI0_POPR; // drain RX FIFO } while ((sr & (15 << 12)) > (3 << 12)); } //void waitFifoEmpty(void) __attribute__((always_inline)) { void waitFifoEmpty(void) { uint32_t sr; uint32_t tmp __attribute__((unused)); do { sr = SPI0.SR; if (sr & 0xF0) tmp = SPI0_POPR; // drain RX FIFO } while ((sr & 0xF0F0) > 0); // wait both RX & TX empty } void waitTransmitComplete(void) __attribute__((always_inline)) { uint32_t tmp __attribute__((unused)); while (!(SPI0.SR & SPI_SR_TCF)) ; // wait until final output done tmp = SPI0_POPR; // drain the final RX FIFO word } void writecommand_cont(uint8_t c) __attribute__((always_inline)) { SPI0.PUSHR = c | (pcs_command << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT; waitFifoNotFull(); } void writedata8_cont(uint8_t c) __attribute__((always_inline)) { SPI0.PUSHR = c | (pcs_data << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT; waitFifoNotFull(); } void writedata16_cont(uint16_t d) __attribute__((always_inline)) { SPI0.PUSHR = d | (pcs_data << 16) | SPI_PUSHR_CTAS(1) | SPI_PUSHR_CONT; waitFifoNotFull(); } void writecommand_last(uint8_t c) __attribute__((always_inline)) { waitFifoEmpty(); SPI0.SR = SPI_SR_TCF; SPI0.PUSHR = c | (pcs_command << 16) | SPI_PUSHR_CTAS(0); waitTransmitComplete(); } void writedata8_last(uint8_t c) __attribute__((always_inline)) { waitFifoEmpty(); SPI0.SR = SPI_SR_TCF; SPI0.PUSHR = c | (pcs_data << 16) | SPI_PUSHR_CTAS(0); waitTransmitComplete(); } void writedata16_last(uint16_t d) __attribute__((always_inline)) { waitFifoEmpty(); SPI0.SR = SPI_SR_TCF; SPI0.PUSHR = d | (pcs_data << 16) | SPI_PUSHR_CTAS(1); waitTransmitComplete(); } void HLine(int16_t x, int16_t y, int16_t w, uint16_t color) __attribute__((always_inline)) { setAddr(x, y, x+w-1, y); writecommand_cont(ILI9341_RAMWR); do { writedata16_cont(color); } while (--w > 0); } void VLine(int16_t x, int16_t y, int16_t h, uint16_t color) __attribute__((always_inline)) { setAddr(x, y, x, y+h-1); writecommand_cont(ILI9341_RAMWR); do { writedata16_cont(color); } while (--h > 0); } void Pixel(int16_t x, int16_t y, uint16_t color) __attribute__((always_inline)) { setAddr(x, y, x, y); writecommand_cont(ILI9341_RAMWR); writedata16_cont(color); } //}; #ifndef swap #define swap(a, b) { typeof(a) t = a; a = b; b = t; } #endif #endif