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.
24 /* Wait for previous write to complete */
25 while (EECR & (1 << EEPE))
30 ao_eeprom_read_byte(uint16_t addr)
44 ao_eeprom_write_byte(uint16_t addr, uint8_t v)
47 EECR = (0 << EEPM1) | (0 << EEPM0);
57 ao_eeprom_read(uint16_t addr, void *buf, uint16_t len)
62 *b++ = ao_eeprom_read_byte(addr++);
66 ao_eeprom_write(uint16_t addr, void *buf, uint16_t len)
71 ao_eeprom_write_byte(addr++, *b++);