[175] | 1 | /*********************************************************************
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| 2 | This is a library for our Monochrome OLEDs based on SSD1306 drivers
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| 3 |
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| 4 | Pick one up today in the adafruit shop!
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| 5 | ------> http://www.adafruit.com/category/63_98
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| 6 |
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| 7 | These displays use SPI to communicate, 4 or 5 pins are required to
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| 8 | interface
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| 9 |
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| 10 | Adafruit invests time and resources providing this open source code,
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| 11 | please support Adafruit and open-source hardware by purchasing
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| 12 | products from Adafruit!
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| 13 |
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| 14 | Written by Limor Fried/Ladyada for Adafruit Industries.
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| 15 | BSD license, check license.txt for more information
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| 16 | All text above, and the splash screen must be included in any redistribution
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| 17 |
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| 18 | - 21 Mar. 2016
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| 19 | Library modified to work with Arduino Lucky Shield
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| 20 | by andrea[at]arduino[dot]org
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| 21 | *********************************************************************/
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| 22 |
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| 23 | #if ARDUINO >= 100
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| 24 | #include "Arduino.h"
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| 25 | #define WIRE_WRITE Wire.write
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| 26 | #else
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| 27 | #include "WProgram.h"
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| 28 | #define WIRE_WRITE Wire.send
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| 29 | #endif
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| 30 |
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| 31 | #ifdef __SAM3X8E__
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| 32 | typedef volatile RwReg PortReg;
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| 33 | typedef uint32_t PortMask;
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| 34 | #else
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| 35 | typedef volatile uint8_t PortReg;
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| 36 | typedef uint8_t PortMask;
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| 37 | #endif
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| 38 |
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| 39 | //#include <SPI.h>
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| 40 | #include "Adafruit_GFX.h"
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| 41 |
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| 42 | #define BLACK 0
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| 43 | #define WHITE 1
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| 44 | #define INVERSE 2
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| 45 |
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| 46 | #define SSD1306_I2C_ADDRESS 0x3C // 011110+SA0+RW - 0x3C or 0x3D
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| 47 | // Address for 128x32 is 0x3C
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| 48 | // Address for 128x64 is 0x3D (default) or 0x3C (if SA0 is grounded)
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| 49 |
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| 50 | /*=========================================================================
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| 51 | SSD1306 Displays
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| 52 | -----------------------------------------------------------------------
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| 53 | The driver is used in multiple displays (128x64, 128x32, etc.).
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| 54 | Select the appropriate display below to create an appropriately
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| 55 | sized framebuffer, etc.
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| 56 |
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| 57 | SSD1306_128_64 128x64 pixel display
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| 58 |
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| 59 | SSD1306_128_32 128x32 pixel display
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| 60 |
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| 61 | SSD1306_96_16
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| 62 |
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| 63 | -----------------------------------------------------------------------*/
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| 64 | #define SSD1306_128_64
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| 65 | // #define SSD1306_128_32
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| 66 | // #define SSD1306_96_16
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| 67 | /*=========================================================================*/
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| 68 |
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| 69 | #if defined SSD1306_128_64 && defined SSD1306_128_32
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| 70 | #error "Only one SSD1306 display can be specified at once in SSD1306.h"
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| 71 | #endif
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| 72 | #if !defined SSD1306_128_64 && !defined SSD1306_128_32 && !defined SSD1306_96_16
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| 73 | #error "At least one SSD1306 display must be specified in SSD1306.h"
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| 74 | #endif
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| 75 |
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| 76 | #if defined SSD1306_128_64
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| 77 | #define SSD1306_LCDWIDTH 128
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| 78 | #define SSD1306_LCDHEIGHT 64
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| 79 | #endif
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| 80 | #if defined SSD1306_128_32
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| 81 | #define SSD1306_LCDWIDTH 128
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| 82 | #define SSD1306_LCDHEIGHT 32
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| 83 | #endif
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| 84 | #if defined SSD1306_96_16
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| 85 | #define SSD1306_LCDWIDTH 96
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| 86 | #define SSD1306_LCDHEIGHT 16
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| 87 | #endif
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| 88 |
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| 89 | #define SSD1306_SETCONTRAST 0x81
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| 90 | #define SSD1306_DISPLAYALLON_RESUME 0xA4
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| 91 | #define SSD1306_DISPLAYALLON 0xA5
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| 92 | #define SSD1306_NORMALDISPLAY 0xA6
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| 93 | #define SSD1306_INVERTDISPLAY 0xA7
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| 94 | #define SSD1306_DISPLAYOFF 0xAE
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| 95 | #define SSD1306_DISPLAYON 0xAF
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| 96 |
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| 97 | #define SSD1306_SETDISPLAYOFFSET 0xD3
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| 98 | #define SSD1306_SETCOMPINS 0xDA
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| 99 |
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| 100 | #define SSD1306_SETVCOMDETECT 0xDB
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| 101 |
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| 102 | #define SSD1306_SETDISPLAYCLOCKDIV 0xD5
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| 103 | #define SSD1306_SETPRECHARGE 0xD9
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| 104 |
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| 105 | #define SSD1306_SETMULTIPLEX 0xA8
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| 106 |
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| 107 | #define SSD1306_SETLOWCOLUMN 0x00
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| 108 | #define SSD1306_SETHIGHCOLUMN 0x10
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| 109 |
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| 110 | #define SSD1306_SETSTARTLINE 0x40
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| 111 |
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| 112 | #define SSD1306_MEMORYMODE 0x20
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| 113 | #define SSD1306_COLUMNADDR 0x21
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| 114 | #define SSD1306_PAGEADDR 0x22
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| 115 |
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| 116 | #define SSD1306_COMSCANINC 0xC0
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| 117 | #define SSD1306_COMSCANDEC 0xC8
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| 118 |
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| 119 | #define SSD1306_SEGREMAP 0xA0
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| 120 |
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| 121 | #define SSD1306_CHARGEPUMP 0x8D
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| 122 |
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| 123 | #define SSD1306_EXTERNALVCC 0x1
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| 124 | #define SSD1306_SWITCHCAPVCC 0x2
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| 125 |
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| 126 | // Scrolling #defines
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| 127 | #define SSD1306_ACTIVATE_SCROLL 0x2F
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| 128 | #define SSD1306_DEACTIVATE_SCROLL 0x2E
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| 129 | #define SSD1306_SET_VERTICAL_SCROLL_AREA 0xA3
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| 130 | #define SSD1306_RIGHT_HORIZONTAL_SCROLL 0x26
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| 131 | #define SSD1306_LEFT_HORIZONTAL_SCROLL 0x27
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| 132 | #define SSD1306_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL 0x29
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| 133 | #define SSD1306_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL 0x2A
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| 134 |
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| 135 | class Adafruit_SSD1306 : public Adafruit_GFX {
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| 136 | public:
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| 137 | //Adafruit_SSD1306(int8_t SID, int8_t SCLK, int8_t DC, int8_t RST, int8_t CS);
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| 138 | //Adafruit_SSD1306(int8_t DC, int8_t RST, int8_t CS);
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| 139 | Adafruit_SSD1306();
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| 140 |
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| 141 | void begin();
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| 142 | void ssd1306_command(uint8_t c);
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| 143 | void ssd1306_data(uint8_t c);
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| 144 |
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| 145 | void clearDisplay(void);
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| 146 | void invertDisplay(uint8_t i);
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| 147 | void display();
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| 148 |
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| 149 | void startscrollright(uint8_t start, uint8_t stop);
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| 150 | void startscrollleft(uint8_t start, uint8_t stop);
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| 151 |
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| 152 | void startscrolldiagright(uint8_t start, uint8_t stop);
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| 153 | void startscrolldiagleft(uint8_t start, uint8_t stop);
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| 154 | void stopscroll(void);
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| 155 |
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| 156 | void dim(boolean dim);
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| 157 |
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| 158 | void drawPixel(int16_t x, int16_t y, uint16_t color);
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| 159 |
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| 160 | virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
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| 161 | virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
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| 162 |
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| 163 | private:
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| 164 | int8_t _i2caddr, _vccstate, sid, sclk, dc, rst, cs;
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| 165 |
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| 166 | boolean hwSPI;
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| 167 | PortReg *mosiport, *clkport, *csport, *dcport;
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| 168 | PortMask mosipinmask, clkpinmask, cspinmask, dcpinmask;
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| 169 |
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| 170 | inline void drawFastVLineInternal(int16_t x, int16_t y, int16_t h, uint16_t color) __attribute__((always_inline));
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| 171 | inline void drawFastHLineInternal(int16_t x, int16_t y, int16_t w, uint16_t color) __attribute__((always_inline));
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| 172 |
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| 173 | };
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| 174 |
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| 175 | extern Adafruit_SSD1306 ssd1306;
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