h

#ifndef MyLiquidCrystal_h
#define MyLiquidCrystal_h

#include <inttypes.h>
#include "Print.h"
#define LCD_FUNCTIONSET 0x20
#define LCD_CLEARDISPLAY 0x01
#define LCD_SETDDRAMADDR 0x80
#define LCD_DISPLAYCONTROL 0x08

#define LCD_8BITMODE 0x10
#define LCD_4BITMODE 0x00
#define LCD_2LINE 0x08
#define LCD_5x10DOTS 0x04
#define LCD_ENTRYMODESET 0x04

#define LCD_1LINE 0x00
#define LCD_5x8DOTS 0x00
#define LCD_ENTRYSHIFTDECREMENT 0x00
#define LCD_ENTRYLEFT 0x02
#define LCD_DISPLAYON 0x04
#define LCD_BLINKOFF 0x00
#define LCD_CURSOROFF 0x00

class MyLiquidCrystal : public Print {
public:
MyLiquidCrystal(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);
  MyLiquidCrystal(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);
  MyLiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
        uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
  MyLiquidCrystal(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);





virtual size_t write(uint8_t);
void setRowOffsets(int row1, int row2, int row3, int row4);
void display();


void setCursor(uint8_t, uint8_t);
void begin(uint8_t columns, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
void command(uint8_t);

using Print::write;

private:
  uint8_t _displayfunction;
  void write4bits(uint8_t);
    void write8bits(uint8_t);

  void pulseEnable();
  void send(uint8_t, uint8_t);

  uint8_t _register_select_pin; // LOW: command.  HIGH: character.
  uint8_t _read_write_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 _numlines;
  uint8_t _row_offsets[4];
  uint8_t _displaycontrol;
  uint8_t _displaymode;


};
#endif