#ifndef LiquidCrystal_mx300N2_h
#define LiquidCrystal_mx300N2_h

#include <inttypes.h>
#include "Print.h"

// commands
#define LCD_CLEARDISPLAY 0x01
#define LCD_RETURNHOME 0x02
#define LCD_ENTRYMODESET 0x04
#define LCD_DISPLAYCONTROL 0x08
#define LCD_CURSORSHIFT 0x10
#define LCD_FUNCTIONSET 0x20
#define LCD_SETCGRAMADDR 0x40
#define LCD_SETDDRAMADDR 0x80

#define LCD_NORMAL 0x38
#define LCD_MIRVERT 0x39
#define LCD_MIRHORZ 0x3a
#define LCD_ROTATE 0x3b

// flags for display entry mode
#define LCD_ENTRYRIGHT 0x00
#define LCD_ENTRYLEFT 0x02
#define LCD_ENTRYSHIFTINCREMENT 0x01
#define LCD_ENTRYSHIFTDECREMENT 0x00

// flags for display on/off control
#define LCD_DISPLAYON 0x04
#define LCD_DISPLAYOFF 0x00
#define LCD_CURSORON 0x02
#define LCD_CURSOROFF 0x00
#define LCD_BLINKON 0x01
#define LCD_BLINKOFF 0x00

// flags for display/cursor shift
#define LCD_DISPLAYMOVE 0x08
#define LCD_CURSORMOVE 0x00
#define LCD_MOVERIGHT 0x04
#define LCD_MOVELEFT 0x00

// flags for function set
#define LCD_8BITMODE 0x10
#define LCD_4BITMODE 0x00
#define LCD_2LINE 0x08
#define LCD_1LINE 0x00
#define LCD_5x10DOTS 0x04
#define LCD_5x8DOTS 0x00

// Double height numeric character set
static uint8_t _digitsUpper[10][8] = {
  {0x00, 0x0e, 0x11, 0x11, 0x11, 0x13, 0x13, 0x15}, //0
  {0x00, 0x04, 0x0c, 0x1c, 0x04, 0x04, 0x04, 0x04}, //1
  {0x00, 0x0e, 0x11, 0x11, 0x01, 0x01, 0x02, 0x02}, //2
  {0x00, 0x1f, 0x01, 0x02, 0x02, 0x04, 0x08, 0x0e}, //3
  {0x00, 0x10, 0x10, 0x10, 0x14, 0x14, 0x14, 0x1f}, //4
  {0x00, 0x1f, 0x11, 0x10, 0x10, 0x10, 0x10, 0x1e}, //5
  {0x00, 0x06, 0x04, 0x08, 0x08, 0x10, 0x10, 0x1e}, //6
  {0x00, 0x1f, 0x01, 0x01, 0x01, 0x02, 0x02, 0x04}, //7
  {0x00, 0x0e, 0x11, 0x11, 0x11, 0x11, 0x11, 0x0e}, //8
  {0x00, 0x0e, 0x11, 0x11, 0x11, 0x11, 0x11, 0x0f}  //9
};
static uint8_t _digitsLower[10][8] = {
  {0x15, 0x19, 0x19, 0x11, 0x11, 0x11, 0x0e, 0x00}, //0
  {0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x0e, 0x00}, //1
  {0x04, 0x04, 0x08, 0x08, 0x10, 0x10, 0x1f, 0x00}, //2
  {0x01, 0x01, 0x01, 0x01, 0x11, 0x11, 0x0e, 0x00}, //3
  {0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00}, //4
  {0x01, 0x01, 0x01, 0x11, 0x11, 0x11, 0x0e, 0x00}, //5
  {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x0e, 0x00}, //6
  {0x04, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00}, //7
  {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x0e, 0x00}, //8
  {0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x08, 0x00}  //9
};

class LiquidCrystal_mx300N2 : public Print {
public:
  LiquidCrystal_mx300N2(uint8_t rs, uint8_t enable,
		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
		uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
  LiquidCrystal_mx300N2(uint8_t rs, uint8_t rw, uint8_t enable,
		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
		uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
  LiquidCrystal_mx300N2(uint8_t rs, uint8_t rw, uint8_t enable,
		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
  LiquidCrystal_mx300N2(uint8_t rs, uint8_t enable,
		uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);

  void init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
	    uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
	    uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
		
  void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);

  void clear();
  void home();

  void noDisplay();
  void display();
  void noBlink();
  void blink();
  void noCursor();
  void cursor();
  void scrollDisplayLeft();
  void scrollDisplayRight();
  void leftToRight();
  void rightToLeft();
  void autoscroll();
  void noAutoscroll();

  void clearBigfont();
  void setBigfont();

  void mirrorHorz();
  void mirrorVert();
  void rotate180();
  void noMirror();

  void createChar(uint8_t, uint8_t[]);
  void setCursor(uint8_t i, uint8_t j, bool k = true); 
  virtual size_t write(uint8_t);
  void command(uint8_t);

private:
  void send(uint8_t, uint8_t);
  void write4bits(uint8_t);
  void write8bits(uint8_t);
  void pulseEnable();
    
  uint8_t _rs_pin; // LOW: command.  HIGH: character.
  uint8_t _rw_pin; // LOW: write to LCD.  HIGH: read from LCD.
  uint8_t _enable_pin; // activated by a HIGH pulse.
  uint8_t _data_pins[8];
  
  uint8_t _displayfunction;
  uint8_t _displaycontrol;
  uint8_t _displaymode;

  uint8_t _numlines, _currline;

  uint8_t _numcols, _currcol;



  bool _autoscroll;  // auto scroll left if writing beyond column 19

  bool _shifted;     // we have reached column 20

  bool _writebig;    // LCD writes will be as tallfont characters
};

#endif