ST7565.hh

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#ifndef COSA_ST7565_HH
#define COSA_ST7565_HH

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

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

class ST7565 : public LCD::Device {
public:
  static const uint8_t WIDTH = 128;
  static const uint8_t HEIGHT = 64;
  static const uint8_t LINES = 8;

#if !defined(BOARD_ATTINY)
  ST7565(LCD::IO* io, Board::DigitalPin dc = Board::D8,
         Font* font = &system5x7);
#else
  ST7565(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 {
    DISPLAY_OFF = 0xAE,           
    DISPLAY_ON = 0xAF,            
    SET_DISPLAY_START = 0x40,     
    DISPLAY_START_MASK = 0x3f,    
    SET_Y_ADDR = 0xB0,            
    Y_ADDR_MASK = 0x0f,           
    SET_X_ADDR = 0x10,            
    X_ADDR_MASK = 0x0f,           
    ADC_NORMAL = 0xA0,            
    ADC_REVERSE = 0xA1,           
    DISPLAY_NORMAL = 0xA6,        
    DISPLAY_REVERSE = 0xA7,       
    DISPLAY_64X128_POINTS = 0xA4, 
    DISPLAY_65X132_POINTS = 0xA5, 
    LCD_BIAS_9 = 0xA2,            
    LCD_BIAS_7 = 0xA3,            
    X_ADDR_INC = 0xE0,            
    X_ADDR_CLEAR = 0xEE,          
    INTERNAL_RESET = 0xE2,        
    COM_OUTPUT_NORMAL = 0xC0,     
    COM_OUTPUT_REVERSE = 0xC8,    
    SET_POWER_CONTROL = 0x28,     
    POWER_MASK = 0x07,            
    SET_RESISTOR_RATIO = 0x20,    
    RESISTOR_MASK = 0x07,         
    SET_CONSTRAST = 0x81,         
    CONSTRAST_MASK = 0x3f,        
    INDICATOR_OFF = 0xAC,         
    INDICATOR_ON = 0xAD,          
    FLASHING_OFF = 0x00,          
    FLASHING_ON = 0x01,           
    SET_BOOSTER_RATIO = 0xF8,     
    BOOSTER_RATIO_234X = 0,       
    BOOSTER_RATIO_5X = 1,         
    BOOSTER_RATIO_6X = 3,         
    NOP = 0xE3,                   
    SCRIPT_PAUSE = 0xF0,          
    SCRIPT_END = 0xFF             
  } __attribute__((packed));

  static const uint8_t script[] PROGMEM;

  LCD::IO* m_io;                  
  OutputPin m_dc;                 
  uint8_t m_line;                 
  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