STM32INA219OLED1/Adafruit_SSD1306.h at master · experimentool/STM32INA219OLED1 · GitHub

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/*********************************************************************
Modified library by Midias: http://forum.arduino.cc/index.php?topic=265904.msg2157388#msg2157388
Hacked by mrb 20150403 to remove references to I2C - SOFTWARE SPI ONLY
*********************************************************************/

#ifndef _ADAFRUIT_SSD1306H_
#define _ADAFRUIT_SSD1306H_

#include "Adafruit_GFX.h"

#define BLACK 0
#define WHITE 1
#define INVERSE 2

//#define SSD1306_I2C_ADDRESS   0x3C	// 011110+SA0+RW - 0x3C or 0x3D
#define SSD1306_128_64
#define SSD1306_LCDWIDTH                  128
#define SSD1306_LCDHEIGHT                  64
#define SSD1306_SETCONTRAST 0x81
#define SSD1306_DISPLAYALLON_RESUME 0xA4
#define SSD1306_DISPLAYALLON 0xA5
#define SSD1306_NORMALDISPLAY 0xA6
#define SSD1306_INVERTDISPLAY 0xA7
#define SSD1306_DISPLAYOFF 0xAE
#define SSD1306_DISPLAYON 0xAF
#define SSD1306_SETDISPLAYOFFSET 0xD3
#define SSD1306_SETCOMPINS 0xDA
#define SSD1306_SETVCOMDETECT 0xDB
#define SSD1306_SETDISPLAYCLOCKDIV 0xD5
#define SSD1306_SETPRECHARGE 0xD9
#define SSD1306_SETMULTIPLEX 0xA8
#define SSD1306_SETLOWCOLUMN 0x00
#define SSD1306_SETHIGHCOLUMN 0x10
#define SSD1306_SETSTARTLINE 0x40
#define SSD1306_MEMORYMODE 0x20
#define SSD1306_COLUMNADDR 0x21
#define SSD1306_PAGEADDR   0x22
#define SSD1306_COMSCANINC 0xC0
#define SSD1306_COMSCANDEC 0xC8
#define SSD1306_SEGREMAP 0xA0
#define SSD1306_CHARGEPUMP 0x8D
#define SSD1306_EXTERNALVCC 0x1
#define SSD1306_SWITCHCAPVCC 0x2
#define SSD1306_ACTIVATE_SCROLL 0x2F
#define SSD1306_DEACTIVATE_SCROLL 0x2E
#define SSD1306_SET_VERTICAL_SCROLL_AREA 0xA3
#define SSD1306_RIGHT_HORIZONTAL_SCROLL 0x26
#define SSD1306_LEFT_HORIZONTAL_SCROLL 0x27
#define SSD1306_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL 0x29
#define SSD1306_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL 0x2A

class Adafruit_SSD1306 : public Adafruit_GFX {
 public:
  Adafruit_SSD1306(int8_t SDA_MOSI, int8_t SCLK, int8_t DC, int8_t RST, int8_t CS);     // Software SPI
  //Adafruit_SSD1306(int8_t DC, int8_t RST, int8_t CS);                              // Hardware SPI
  //Adafruit_SSD1306(int8_t RST);                                                    // I2C

  void begin(uint8_t switchvcc = SSD1306_SWITCHCAPVCC);//, uint8_t i2caddr = SSD1306_I2C_ADDRESS, bool reset=true);
  void ssd1306_command(uint8_t c);
  void ssd1306_data(uint8_t c);

  void clearDisplay(void);
  void invertDisplay(uint8_t i);
  void display();

  void startscrollright(uint8_t start, uint8_t stop);
  void startscrollleft(uint8_t start, uint8_t stop);

  void startscrolldiagright(uint8_t start, uint8_t stop);
  void startscrolldiagleft(uint8_t start, uint8_t stop);
  void stopscroll(void);

  void dim(boolean dim);

  void drawPixel(int16_t x, int16_t y, uint16_t color);

  virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
  virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);

 private:
  int8_t _i2caddr, _vccstate, sda_mosi, sclk, dc, rst, cs;
  void fastSPIwrite(uint8_t c);

volatile uint32 *mosiport, *clkport, *csport, *dcport;
   uint32_t  mosipinmask, clkpinmask, cspinmask, dcpinmask;

  inline void drawFastVLineInternal(int16_t x, int16_t y, int16_t h, uint16_t color) __attribute__((always_inline));
  inline void drawFastHLineInternal(int16_t x, int16_t y, int16_t w, uint16_t color) __attribute__((always_inline));

};
#endif