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#pragma once
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#pragma once
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#include <cstdint>
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#include <cstdint>
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#include "libOLED/fontclass.H"
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#include "libOLED/fontclass.H"
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inline int constexpr
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inline int constexpr dataSize (int const width, int const height)
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dataSize (int const width, int const height)
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{
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{
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  return (width * height /8);
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  return (width * height / 8);
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}
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}
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enum colour_t
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enum colour_t
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{
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{
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    BLACK,
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    WHITE,
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    INVERT
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  BLACK, WHITE, INVERT
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};
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};
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class display_t
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class display_t
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{
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{
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public:
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public:
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  display_t (int const width, int const height, int const ramwidth , uint8_t * const data);
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  display_t (int const width, int const height, int const ramwidth,
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             uint8_t *const data);
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- 
 
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  virtual
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  virtual ~display_t();
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  ~display_t ();
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  uint8_t
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  uint8_t getRotation();
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  getRotation ();
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  int16_t
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  int16_t width();
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  width ();
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  int16_t
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  int16_t height();
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  height ();
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  void
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  void init();
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  init ();
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  void
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  void clearDisplay();
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  clearDisplay ();
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  void
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  void invertDisplay(uint8_t i);
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  invertDisplay (uint8_t i);
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  void
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  void display();
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  display ();
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  void
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  void startscrollright(uint8_t start, uint8_t stop);
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  startscrollright (uint8_t start, uint8_t stop);
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  void
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  void startscrollleft(uint8_t start, uint8_t stop);
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  startscrollleft (uint8_t start, uint8_t stop);
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  void
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  void startscrolldiagright(uint8_t start, uint8_t stop);
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  startscrolldiagright (uint8_t start, uint8_t stop);
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  void
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  void startscrolldiagleft(uint8_t start, uint8_t stop);
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  startscrolldiagleft (uint8_t start, uint8_t stop);
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  void
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  void stopscroll(void);
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  stopscroll (void);
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  void
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  void dim(uint8_t contrast);
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  dim (uint8_t contrast);
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  void
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  void drawPixel(int16_t x, int16_t y, colour_t color);
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  drawPixel (int16_t x, int16_t y, colour_t color);
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  void
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  void drawLine(int16_t x1, int16_t y1, int16_t x2, int16_t y2, colour_t color);
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  drawLine (int16_t x1, int16_t y1, int16_t x2, int16_t y2, colour_t color);
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  void
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  void gotoxy(int x, int y) {m_cursor_x = x; m_cursor_y=y;};
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  gotoxy (int x, int y)
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  {
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    m_cursor_x = x;
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    m_cursor_y = y;
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  }
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  ;
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  // pixel to pixel plotting
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  /// \param font The font to use
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  /// \param string The characters to plot
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  /// \param length The length of the string
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  /// \param colour
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  void
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  printString (font_t &font, char const *string, uint16_t length,
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               colour_t colour);
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  // scaled plotting
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  /// \param font The font to use
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  /// \param string The characters to plot
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  /// \param length The length of the string
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  /// \param scale The scale factor is 256/scale so 256 is 1:1, 128 is twice the size
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  /// \param colour
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  void
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  void printString(font_t & font, char const * string, uint16_t length, colour_t colour);
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  printScaledString (font_t &font, char const *string,
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                                  uint16_t length, uint16_t scale,
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                                  colour_t colour);
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  void
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  void printChar (font_t &font, char c, colour_t colour);
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  printChar (font_t &font, char c, colour_t colour);
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  int
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  cursor_x ()
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  {
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  int cursor_x() {return m_cursor_x;};
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    return m_cursor_x;
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  }
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  ;
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  int
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  cursor_y ()
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  {
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  int cursor_y() {return m_cursor_y;};
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    return m_cursor_y;
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  }
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  ;
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private:
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private:
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  // set=1 means send data set=0 means send control
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  // set=1 means send data set=0 means send control
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  virtual void oledSetCD(uint8_t set) =0;
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  virtual void
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 - 
 
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  virtual void oledWrite(uint8_t d) =0;
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  oledSetCD (uint8_t set) =0;
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  virtual void oledReset() = 0;
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  virtual void
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  oledWrite (uint8_t d) =0;
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  virtual void
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  virtual void oledWrite(uint8_t * buff, uint8_t len) = 0;
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  oledReset () = 0;
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  virtual void
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  oledWrite (uint8_t *buff, uint8_t len) = 0;
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  int const m_width; // pixel width
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  int const m_width; // pixel width
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  int const m_height; // pixel height
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  int const m_height; // pixel height
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  int const m_ramwidth; // OLED controller ram pixel width
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  int const m_ramwidth; // OLED controller ram pixel width
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  int m_cursor_x;
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  int m_cursor_x;
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   int m_cursor_y;
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  int m_cursor_y;
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   int m_rotation;
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  int m_rotation;
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  uint8_t *const m_data;
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  uint8_t * const   m_data;
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 - 
 
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 };
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};