2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 ao_lcd_putchar(uint8_t d);
28 ao_lcd_putstring(char *string);
31 ao_lcd_contrast_set(uint8_t contrast);
37 ao_lcd_cursor_on(void);
40 ao_lcd_cursor_off(void);
42 #define AO_LCD_ADDR(row,col) ((row << 6) | (col))
45 ao_lcd_goto(uint8_t addr);
56 ao_lcd_port_put_nibble(uint8_t rs, uint8_t d);
59 ao_lcd_port_init(void);
61 #endif /* _AO_LCD_H_ */