PCD8544.hh

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#ifndef COSA_PCD8544_HH
#define COSA_PCD8544_HH

#include "Cosa/Board.hh"
#include "Cosa/OutputPin.hh"
#include "Cosa/LCD.hh"

#include <Canvas.h>
#include "System5x7.hh"

class PCD8544 : public LCD::Device {
public:
  static const uint8_t WIDTH = 84;
  static const uint8_t HEIGHT = 48;
  static const uint8_t LINES = HEIGHT / CHARBITS;

#if !defined(BOARD_ATTINY)
  PCD8544(LCD::IO* io, Board::DigitalPin dc = Board::D8,
          Font* font = &system5x7);
#else
  PCD8544(LCD::IO* io, Board::DigitalPin dc = Board::D2,
          Font* font = &system5x7);
#endif

  virtual bool begin();

  virtual bool end();

  virtual void display_contrast(uint8_t level);

  virtual void display_on();

  virtual void display_off();

  virtual void display_normal();

  virtual void display_inverse();

  virtual void display_clear();

  virtual void set_cursor(uint8_t x, uint8_t y);

  Font* get_text_font() const
  {
    return (m_font);
  }

  Font* set_text_font(Font* font)
    __attribute__((always_inline))
  {
    Font* previous = m_font;
    m_font = font;
    return (previous);
  }

  void draw_icon(const uint8_t* bp);

  void draw_bitmap(uint8_t* bp, uint8_t width, uint8_t height);

  void draw_bar(uint8_t percent, uint8_t width, uint8_t pattern = 0x55);

  virtual int putchar(char c);

protected:
  enum {
    NOP = 0x00,                 
    SET_FUNC = 0x20,            
      BASIC_INST = 0x00,        
      EXTENDED_INST = 0x01,     
      HORIZONTAL_ADDR = 0x00,   
      VERTICAL_ADDR = 0x02,     
      POWER_UP_MODE = 0x00,     
      POWER_DOWN_MODE = 0x04,   
    DISPLAY_CNTL = 0x08,        
      DISPLAY_OFF = 0x00,       
      DISPLAY_ON = 0x01,        
      NORMAL_MODE = 0x04,       
      INVERSE_MODE = 0x05,      
    SET_Y_ADDR = 0x40,          
      Y_ADDR_MASK = 0x07,       
    SET_X_ADDR = 0x80,          
      X_ADDR_MASK = 0x7f,       
    SET_TEMP_COEFF = 0x04,      
    SET_BIAS_SYS = 0x10,        
    SET_VOP = 0x80,             
      VOP_MASK = 0x7f,          
    SCRIPT_END = 0xff           
  } __attribute__((packed));

  static const uint8_t script[] PROGMEM;

  LCD::IO* m_io;                
  OutputPin m_dc;               
  Font* m_font;                 

  void set(uint8_t cmd);

  void set(uint8_t x, uint8_t y);

  void fill(uint8_t data, uint16_t count);
};

#endif