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Marcus Priesch
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/*********************************************************************
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This is a library for our Monochrome OLEDs based on SSD1306 drivers
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Pick one up today in the adafruit shop!
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------> http://www.adafruit.com/category/63_98
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These displays use SPI to communicate, 4 or 5 pins are required to
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interface
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing
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products from Adafruit!
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Written by Limor Fried/Ladyada for Adafruit Industries.
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BSD license, check license.txt for more information
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All text above, and the splash screen must be included in any redistribution
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*********************************************************************/
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/*********************************************************************
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I change the adafruit SSD1306 to SH1106
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SH1106 driver similar to SSD1306 so, just change the display() method.
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However, SH1106 driver don't provide several functions such as scroll commands.
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*********************************************************************/
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#if ARDUINO >= 100
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#include "Arduino.h"
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#define WIRE_WRITE Wire.write
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#else
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#include "WProgram.h"
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#define WIRE_WRITE Wire.send
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#endif
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#ifdef __SAM3X8E__
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typedef volatile RwReg PortReg;
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typedef uint32_t PortMask;
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#else
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typedef volatile uint8_t PortReg;
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typedef uint8_t PortMask;
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#endif
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#include <SPI.h>
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#include <Adafruit_GFX.h>
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#define BLACK 0
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#define WHITE 1
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#define INVERSE 2
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#define SH1106_I2C_ADDRESS 0x3C // 011110+SA0+RW - 0x3C or 0x3D
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// Address for 128x32 is 0x3C
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// Address for 128x64 is 0x3D (default) or 0x3C (if SA0 is grounded)
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/*=========================================================================
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SH1106 Displays
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-----------------------------------------------------------------------
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The driver is used in multiple displays (128x64, 128x32, etc.).
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Select the appropriate display below to create an appropriately
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sized framebuffer, etc.
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SH1106_128_64 128x64 pixel display
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SH1106_128_32 128x32 pixel display
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SH1106_96_16
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-----------------------------------------------------------------------*/
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#define SH1106_128_64
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// #define SH1106_128_32
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// #define SH1106_96_16
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/*=========================================================================*/
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#if defined SH1106_128_64 && defined SH1106_128_32
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#error "Only one SH1106 display can be specified at once in SH1106.h"
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#endif
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#if !defined SH1106_128_64 && !defined SH1106_128_32 && !defined SH1106_96_16
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#error "At least one SH1106 display must be specified in SH1106.h"
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#endif
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#if defined SH1106_128_64
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#define SH1106_LCDWIDTH 128
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#define SH1106_LCDHEIGHT 64
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#endif
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#if defined SH1106_128_32
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#define SH1106_LCDWIDTH 128
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#define SH1106_LCDHEIGHT 32
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#endif
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#if defined SH1106_96_16
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#define SH1106_LCDWIDTH 96
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#define SH1106_LCDHEIGHT 16
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#endif
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#define SH1106_SETCONTRAST 0x81
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#define SH1106_DISPLAYALLON_RESUME 0xA4
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#define SH1106_DISPLAYALLON 0xA5
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#define SH1106_NORMALDISPLAY 0xA6
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#define SH1106_INVERTDISPLAY 0xA7
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#define SH1106_DISPLAYOFF 0xAE
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#define SH1106_DISPLAYON 0xAF
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#define SH1106_SETDISPLAYOFFSET 0xD3
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#define SH1106_SETCOMPINS 0xDA
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#define SH1106_SETVCOMDETECT 0xDB
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#define SH1106_SETDISPLAYCLOCKDIV 0xD5
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#define SH1106_SETPRECHARGE 0xD9
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#define SH1106_SETMULTIPLEX 0xA8
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#define SH1106_SETLOWCOLUMN 0x00
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#define SH1106_SETHIGHCOLUMN 0x10
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#define SH1106_SETSTARTLINE 0x40
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#define SH1106_MEMORYMODE 0x20
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#define SH1106_COLUMNADDR 0x21
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#define SH1106_PAGEADDR 0x22
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#define SH1106_COMSCANINC 0xC0
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#define SH1106_COMSCANDEC 0xC8
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#define SH1106_SEGREMAP 0xA0
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#define SH1106_CHARGEPUMP 0x8D
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#define SH1106_EXTERNALVCC 0x1
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#define SH1106_SWITCHCAPVCC 0x2
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// Scrolling #defines
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#define SH1106_ACTIVATE_SCROLL 0x2F
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#define SH1106_DEACTIVATE_SCROLL 0x2E
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#define SH1106_SET_VERTICAL_SCROLL_AREA 0xA3
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#define SH1106_RIGHT_HORIZONTAL_SCROLL 0x26
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#define SH1106_LEFT_HORIZONTAL_SCROLL 0x27
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#define SH1106_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL 0x29
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#define SH1106_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL 0x2A
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class Adafruit_SH1106 : public Adafruit_GFX {
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public:
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Adafruit_SH1106(int8_t SID, int8_t SCLK, int8_t DC, int8_t RST, int8_t CS);
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Adafruit_SH1106(int8_t DC, int8_t RST, int8_t CS);
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Adafruit_SH1106(int8_t RST);
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void begin(uint8_t switchvcc = SH1106_SWITCHCAPVCC, uint8_t i2caddr = SH1106_I2C_ADDRESS, bool reset=true);
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void SH1106_command(uint8_t c);
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void SH1106_data(uint8_t c);
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void clearDisplay(void);
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void invertDisplay(uint8_t i);
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void display();
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/*void startscrollright(uint8_t start, uint8_t stop);
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void startscrollleft(uint8_t start, uint8_t stop);
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void startscrolldiagright(uint8_t start, uint8_t stop);
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void startscrolldiagleft(uint8_t start, uint8_t stop);
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void stopscroll(void); */
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void dim(uint8_t contrast);
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void drawPixel(int16_t x, int16_t y, uint16_t color);
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virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
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virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
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private:
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int8_t _i2caddr, _vccstate, sid, sclk, dc, rst, cs;
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void fastSPIwrite(uint8_t c);
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boolean hwSPI;
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PortReg *mosiport, *clkport, *csport, *dcport;
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PortMask mosipinmask, clkpinmask, cspinmask, dcpinmask;
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inline void drawFastVLineInternal(int16_t x, int16_t y, int16_t h, uint16_t color) __attribute__((always_inline));
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inline void drawFastHLineInternal(int16_t x, int16_t y, int16_t w, uint16_t color) __attribute__((always_inline));
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};
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