#ifndef LCDI2C4BIT_H
#define LCDI2C4BIT_H

#include <inttypes.h>


// helpful position constants; lets us put our cursor at start of lines (or add offset, up to 16/20 chars)
#define LCD_CURS_POS_L1_HOME   0x80
#define LCD_CURS_POS_L2_HOME   0xC0
#define LCD_CURS_POS_L3_HOME   0x94
#define LCD_CURS_POS_L4_HOME   0xD4


//command bytes for LCD
#define CMD_CLR   0x01
#define CMD_RIGHT 0x1C
#define CMD_LEFT  0x18
#define CMD_HOME  0x02


// IMPORTANT! Wire. must have a begin() before calling init()

class LCDI2C4Bit {

public:

  LCDI2C4Bit( uint8_t devI2CAddress, uint8_t num_lines, uint8_t lcdwidth, uint8_t backlightPin );

  void init();
  void command( uint8_t );
  void write( uint8_t );
  void print( char value[] );
  void clear();
  void backLight( uint8_t );
  void SendToLCD( uint8_t );
  void WriteLCDByte( uint8_t bdata );
  void SetMCPReg( uint8_t, uint8_t );
  void cursorTo( uint8_t line_num, uint8_t x );



private:
  uint8_t myNumLines;
  uint8_t myWidth;
  uint8_t myAddress;
  uint8_t myBacklightPin;
  uint8_t lcd_i2c_address;
  uint8_t dataPlusMask;
};

#endif