st7789 display driver

lib/Arduino_ST7789-gemu-1.0/Arduino_ST7789.h

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+/***************************************************
+  This is a library for the ST7789 IPS SPI display.
+
+  Originally written by Limor Fried/Ladyada for
+  Adafruit Industries.
+
+  Modified by Ananev Ilia
+ ****************************************************/
+
+#ifndef _ADAFRUIT_ST7789H_
+#define _ADAFRUIT_ST7789H_
+
+#include "Arduino.h"
+#include "Print.h"
+#include <Adafruit_GFX.h>
+#include <renderer.h>
+
+#if defined(__AVR__) || defined(CORE_TEENSY)
+  #include <avr/pgmspace.h>
+  #define USE_FAST_IO
+  typedef volatile uint8_t RwReg;
+#elif defined(ARDUINO_STM32_FEATHER)
+  typedef volatile uint32 RwReg;
+  #define USE_FAST_IO
+#elif defined(ARDUINO_FEATHER52)
+  typedef volatile uint32_t RwReg;
+  #define USE_FAST_IO
+#elif defined(ESP8266)
+  #include <pgmspace.h>
+#elif defined(__SAM3X8E__)
+  #undef __FlashStringHelper::F(string_literal)
+  #define F(string_literal) string_literal
+  #include <include/pio.h>
+  #define PROGMEM
+  #define pgm_read_byte(addr) (*(const unsigned char *)(addr))
+  #define pgm_read_word(addr) (*(const unsigned short *)(addr))
+  typedef unsigned char prog_uchar;
+#endif
+
+#define SPI_HAS_TRANSACTION
+
+
+#define ST7789_TFTWIDTH 	240
+#define ST7789_TFTHEIGHT 	240
+
+#define ST7789_240x240_XSTART 0
+#define ST7789_240x240_YSTART 0
+
+#define ST_CMD_DELAY   0x80    // special signifier for command lists
+
+#define ST7789_NOP     0x00
+#define ST7789_SWRESET 0x01
+#define ST7789_RDDID   0x04
+#define ST7789_RDDST   0x09
+
+#define ST7789_SLPIN   0x10
+#define ST7789_SLPOUT  0x11
+#define ST7789_PTLON   0x12
+#define ST7789_NORON   0x13
+
+#define ST7789_INVOFF  0x20
+#define ST7789_INVON   0x21
+#define ST7789_DISPOFF 0x28
+#define ST7789_DISPON  0x29
+#define ST7789_CASET   0x2A
+#define ST7789_RASET   0x2B
+#define ST7789_RAMWR   0x2C
+#define ST7789_RAMRD   0x2E
+
+#define ST7789_PTLAR   0x30
+#define ST7789_COLMOD  0x3A
+#define ST7789_MADCTL  0x36
+
+#define ST7789_MADCTL_MY  0x80
+#define ST7789_MADCTL_MX  0x40
+#define ST7789_MADCTL_MV  0x20
+#define ST7789_MADCTL_ML  0x10
+#define ST7789_MADCTL_RGB 0x00
+
+#define ST7789_RDID1   0xDA
+#define ST7789_RDID2   0xDB
+#define ST7789_RDID3   0xDC
+#define ST7789_RDID4   0xDD
+
+// Color definitions
+#undef BLACK
+#define	BLACK   0x0000
+#define	BLUE    0x001F
+#define	RED     0xF800
+#define	GREEN   0x07E0
+#define CYAN    0x07FF
+#define MAGENTA 0xF81F
+#define YELLOW  0xFFE0
+#undef WHITE
+#define WHITE   0xFFFF
+
+
+// Color definitions
+#define ST7789_BLACK       0x0000      /*   0,   0,   0 */
+#define ST7789_NAVY        0x000F      /*   0,   0, 128 */
+#define ST7789_DARKGREEN   0x03E0      /*   0, 128,   0 */
+#define ST7789_DARKCYAN    0x03EF      /*   0, 128, 128 */
+#define ST7789_MAROON      0x7800      /* 128,   0,   0 */
+#define ST7789_PURPLE      0x780F      /* 128,   0, 128 */
+#define ST7789_OLIVE       0x7BE0      /* 128, 128,   0 */
+#define ST7789_LIGHTGREY   0xC618      /* 192, 192, 192 */
+#define ST7789_DARKGREY    0x7BEF      /* 128, 128, 128 */
+#define ST7789_BLUE        0x001F      /*   0,   0, 255 */
+#define ST7789_GREEN       0x07E0      /*   0, 255,   0 */
+#define ST7789_CYAN        0x07FF      /*   0, 255, 255 */
+#define ST7789_RED         0xF800      /* 255,   0,   0 */
+#define ST7789_MAGENTA     0xF81F      /* 255,   0, 255 */
+#define ST7789_YELLOW      0xFFE0      /* 255, 255,   0 */
+#define ST7789_WHITE       0xFFFF      /* 255, 255, 255 */
+#define ST7789_ORANGE      0xFD20      /* 255, 165,   0 */
+#define ST7789_GREENYELLOW 0xAFE5      /* 173, 255,  47 */
+#define ST7789_PINK        0xF81F
+
+
+class Arduino_ST7789 : public Renderer {
+
+ public:
+
+  Arduino_ST7789(int8_t DC, int8_t RST, int8_t SID, int8_t SCLK, int8_t CS = -1,int8_t bp = -1);
+  Arduino_ST7789(int8_t DC, int8_t RST, int8_t CS = -1);
+
+  void     setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1),
+           pushColor(uint16_t color),
+           fillScreen(uint16_t color),
+           drawPixel(int16_t x, int16_t y, uint16_t color),
+           drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color),
+           drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color),
+           fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color),
+           setRotation(uint8_t r),
+           invertDisplay(boolean i),
+           DisplayInit(int8_t p,int8_t size,int8_t rot,int8_t font),
+
+		   init(uint16_t width, uint16_t height);
+  uint16_t Color565(uint8_t r, uint8_t g, uint8_t b);
+  uint16_t GetColorFromIndex(uint8_t index);
+  uint16_t color565(uint8_t r, uint8_t g, uint8_t b) { return Color565(r, g, b); }
+  void DisplayOnff(int8_t on);
+
+ protected:
+  uint8_t  _colstart, _rowstart, _xstart, _ystart; // some displays need this changed
+
+  void     displayInit(const uint8_t *addr);
+  void     spiwrite(uint8_t),
+           writecommand(uint8_t c),
+           writedata(uint8_t d),
+           commonInit(const uint8_t *cmdList);
+
+ private:
+
+  inline void CS_HIGH(void);
+  inline void CS_LOW(void);
+  inline void DC_HIGH(void);
+  inline void DC_LOW(void);
+
+  boolean  _hwSPI;
+  boolean  _SPI9bit;
+  boolean  _DCbit;
+
+  int8_t  _cs, _dc, _rst, _sid, _sclk, _bp;
+
+#if defined(USE_FAST_IO)
+  volatile RwReg  *dataport, *clkport, *csport, *dcport;
+
+  #if defined(__AVR__) || defined(CORE_TEENSY)  // 8 bit!
+    uint8_t  datapinmask, clkpinmask, cspinmask, dcpinmask;
+  #else    // 32 bit!
+    uint32_t  datapinmask, clkpinmask, cspinmask, dcpinmask;
+  #endif
+#endif
+
+};
+
+#endif

lib/Arduino_ST7789-gemu-1.0/README.txt

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+This is a library for the ST7789 IPS SPI display.
+
+Also requires the Adafruit_GFX library for Arduino.