14 void lcd_cursor_at_home(void);
15 void lcd_entry_mode_set(bool increment, bool shifted);
16 void lcd_display(bool display, bool cursor, bool blink);
17 void lcd_cursor_shift(Direction dir);
18 void lcd_display_shift(Direction dir);
19 void lcd_goto(uint8_t x, uint8_t y);
20 void lcd_putc(char c);
21 void lcd_puts(char *str);