File content as of revision 20:a42316f33f7c:

/*************************************************** 
  This is a library for the 1.5" & 1.27" 16-bit Color OLEDs 
  with SSD1331 driver chip

  Pick one up today in the adafruit shop!
  ------> http://www.adafruit.com/products/1431
  ------> http://www.adafruit.com/products/1673

  These displays use SPI to communicate, 4 or 5 pins are required to  
  interface
  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.  
  BSD license, all text above must be included in any redistribution
 ****************************************************/
#pragma once

#include <mbed.h>

#include "Adafruit_GFX.h"

#define SWAP(a, b) { uint16_t t = a; a = b; b = t; }

#define SSD1351WIDTH 128
#define SSD1351HEIGHT 128  // SET THIS TO 96 FOR 1.27"!

// Select one of these defines to set the pixel color order
#define SSD1351_COLORORDER_RGB
// #define SSD1351_COLORORDER_BGR

#if defined SSD1351_COLORORDER_RGB && defined SSD1351_COLORORDER_BGR
  #error "RGB and BGR can not both be defined for SSD1351_COLORODER."
#endif

// Timing Delays
#define SSD1351_DELAYS_HWFILL       (3)
#define SSD1351_DELAYS_HWLINE       (1)

// SSD1351 Commands
#define SSD1351_CMD_SETCOLUMN       0x15
#define SSD1351_CMD_SETROW          0x75
#define SSD1351_CMD_WRITERAM        0x5C
#define SSD1351_CMD_READRAM         0x5D
#define SSD1351_CMD_SETREMAP        0xA0
#define SSD1351_CMD_STARTLINE       0xA1
#define SSD1351_CMD_DISPLAYOFFSET   0xA2
#define SSD1351_CMD_DISPLAYALLOFF   0xA4
#define SSD1351_CMD_DISPLAYALLON    0xA5
#define SSD1351_CMD_NORMALDISPLAY   0xA6
#define SSD1351_CMD_INVERTDISPLAY   0xA7
#define SSD1351_CMD_FUNCTIONSELECT  0xAB
#define SSD1351_CMD_DISPLAYOFF      0xAE
#define SSD1351_CMD_DISPLAYON       0xAF
#define SSD1351_CMD_PRECHARGE       0xB1
#define SSD1351_CMD_DISPLAYENHANCE  0xB2
#define SSD1351_CMD_CLOCKDIV        0xB3
#define SSD1351_CMD_SETVSL      0xB4
#define SSD1351_CMD_SETGPIO         0xB5
#define SSD1351_CMD_PRECHARGE2      0xB6
#define SSD1351_CMD_SETGRAY         0xB8
#define SSD1351_CMD_USELUT      0xB9
#define SSD1351_CMD_PRECHARGELEVEL  0xBB
#define SSD1351_CMD_VCOMH       0xBE
#define SSD1351_CMD_CONTRASTABC     0xC1
#define SSD1351_CMD_CONTRASTMASTER  0xC7
#define SSD1351_CMD_MUXRATIO            0xCA
#define SSD1351_CMD_COMMANDLOCK         0xFD
#define SSD1351_CMD_HORIZSCROLL         0x96
#define SSD1351_CMD_STOPSCROLL          0x9E
#define SSD1351_CMD_STARTSCROLL         0x9F


class Adafruit_SSD1351 : public virtual Adafruit_GFX
{
 public:
  Adafruit_SSD1351(PinName cs, PinName rs, PinName dc, PinName clk, PinName data);

  void on();
  void off();
  
  uint16_t Color565(uint8_t r, uint8_t g, uint8_t b);

  // drawing primitives!
  virtual void drawPixel(int16_t x, int16_t y, uint16_t color);
  void fillRect(uint16_t x0, uint16_t y0, uint16_t w, uint16_t h, uint16_t color);
  void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
  void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
  void fillScreen(uint16_t fillcolor);

  void invert(bool);
  // commands
  void begin(void);
  void goTo(int x, int y);

  void reset(void);

  /* low level */

  void writeData(uint8_t d);
  void writeCommand(uint8_t c);


  void writeData_unsafe(uint16_t d);

  void setWriteDir(void);
  void write8(uint8_t d);

 private:
  SPI _spi;
  DigitalOut _cs, _dc, _reset;

  void rawFillRect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t fillcolor);
  void rawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
  void rawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
};