lcd_hd44780.h

#pragma once

// Edit these
#define uint8_t unsigned char

#define SPI_IF_BIT_RATE  100000

//LCD interface on SPI pins as http://www.rlocman.ru/i/Image/2010/10/16/1.png
#define LCD_RS 4    
#define LCD_RS_DATA (1 << LCD_RS)
#define LCD_RS_CMD 0


#define LCD_COL_COUNT 16
#define LCD_ROW_COUNT 2

// The rest should be left alone
#define LCD_HD44780_MAXCHAR  80

#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_ENTRYRIGHT          0x00
#define LCD_ENTRYLEFT           0x02
#define LCD_ENTRYSHIFTINCREMENT 0x01
#define LCD_ENTRYSHIFTDECREMENT 0x00

#define LCD_DISPLAYON  0x04
#define LCD_DISPLAYOFF 0x00
#define LCD_CURSORON   0x02
#define LCD_CURSOROFF  0x00
#define LCD_BLINKON    0x01
#define LCD_BLINKOFF   0x00

#define LCD_DISPLAYMOVE 0x08
#define LCD_CURSORMOVE  0x00
#define LCD_MOVERIGHT   0x04
#define LCD_MOVELEFT    0x00

#define LCD_8BITMODE 0x10
#define LCD_4BITMODE 0x00
#define LCD_2LINE    0x08
#define LCD_1LINE    0x00
#define LCD_5x10DOTS 0x04
#define LCD_5x8DOTS  0x00

void lcd_init(void);

void lcd_command(uint8_t command);
void lcd_write(uint8_t value);

void lcd_on(void);
void lcd_off(void);

void lcd_clear(void);
void lcd_return_home(void);

void lcd_enable_blinking(void);
void lcd_disable_blinking(void);

void lcd_enable_cursor(void);
void lcd_disable_cursor(void);

void lcd_scroll_left(void);
void lcd_scroll_right(void);

void lcd_set_left_to_right(void);
void lcd_set_right_to_left(void);

void lcd_enable_autoscroll(void);
void lcd_disable_autoscroll(void);

void lcd_create_char(uint8_t location, uint8_t *charmap);

void lcd_set_cursor(uint8_t col, uint8_t row);

void lcd_puts(char *string);
void lcd_printf(char *format, ...);

void lcd_putsc(char *string, int clear);
void lcd_printfc(char *format, ...);