#ifndef defines_lcd
#define defines_lcd

#include <stdlib.h>
#include <stdbool.h>
#include <stdio.h>
#include "i2cmaster.h"

// LCD 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

// 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 and cursor 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


// Define COMMAND and DATA LCD Rs (used by send method).
// ---------------------------------------------------------------------------
#define COMMAND                 0
#define LCD_DATA                1
#define FOUR_BITS               2


#define HOME_CLEAR_EXEC      2000

#define LCD_ADDRESS 0x27

void lcd_init(uint8_t cols, uint8_t lines);
void lcd_clear();
void lcd_home();
void lcd_setCursor(uint8_t col, uint8_t row);
void lcd_write(uint8_t value);

void lcd_createChar(uint8_t location, const char *charmap);

void lcd_noDisplay() ;
void lcd_display() ;
void lcd_noCursor() ;
void lcd_cursor() ;
void lcd_noBlink() ;
void lcd_blink() ;
void lcd_scrollDisplayLeft(void) ;
void lcd_scrollDisplayRight(void) ;
void lcd_moveCursorRight(void);
void lcd_moveCursorLeft(void);
void lcd_leftToRight(void) ;
void lcd_rightToLeft(void) ;
void lcd_autoscroll(void) ;
void lcd_noAutoscroll(void); 


#endif