Adafruit_GrayOLED.h

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#ifndef _Adafruit_GRAYOLED_H_
#define _Adafruit_GRAYOLED_H_
 
#if !defined(__AVR_ATtiny85__) // Not for ATtiny, at all
 
#include "../Adafruit_BusIO/Adafruit_I2CDevice.h"
#include "../Adafruit_BusIO/Adafruit_SPIDevice.h"
#include "Adafruit_GFX.h"
#include <SPI.h>
#include <Wire.h>
 
#define GRAYOLED_SETCONTRAST   0x81 
#define GRAYOLED_NORMALDISPLAY 0xA6 
#define GRAYOLED_INVERTDISPLAY 0xA7 
 
#define MONOOLED_BLACK   0 
#define MONOOLED_WHITE   1 
#define MONOOLED_INVERSE 2 
 
class Adafruit_GrayOLED : public Adafruit_GFX
{
  public:
    Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, TwoWire *twi = &Wire, int8_t rst_pin = -1,
                      uint32_t preclk = 400000, uint32_t postclk = 100000);
    Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, int8_t mosi_pin, int8_t sclk_pin, int8_t dc_pin,
                      int8_t rst_pin, int8_t cs_pin);
    Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, SPIClass *spi, int8_t dc_pin, int8_t rst_pin, int8_t cs_pin,
                      uint32_t bitrate = 8000000UL);
 
    ~Adafruit_GrayOLED(void);
 
    virtual void display(void) = 0;
    void clearDisplay(void);
    void invertDisplay(bool i);
    void setContrast(uint8_t contrastlevel);
    void drawPixel(int16_t x, int16_t y, uint16_t color);
    bool getPixel(int16_t x, int16_t y);
    uint8_t *getBuffer(void);
 
    void oled_command(uint8_t c);
    bool oled_commandList(const uint8_t *c, uint8_t n);
 
  protected:
    bool _init(uint8_t i2caddr = 0x3C, bool reset = true);
 
    Adafruit_SPIDevice *spi_dev = NULL; 
    Adafruit_I2CDevice *i2c_dev = NULL; 
    int32_t i2c_preclk = 400000,        
        i2c_postclk = 100000;           
    uint8_t *buffer = NULL;             
 
    int16_t window_x1, 
        window_y1,     
        window_x2,     
        window_y2;     
 
    int dcPin,  
        csPin,  
        rstPin; 
 
    uint8_t _bpp = 1; 
  private:
    TwoWire *_theWire = NULL; 
};
 
#endif // end __AVR_ATtiny85__
#endif // _Adafruit_GrayOLED_H_