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; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
23 /* Wait for previous write to complete */
24 while (EECR & (1 << EEPE))
29 ao_eeprom_read_byte(uint16_t addr)
43 ao_eeprom_write_byte(uint16_t addr, uint8_t v)
46 EECR = (0 << EEPM1) | (0 << EEPM0);
56 ao_eeprom_read(uint16_t addr, void *buf, uint16_t len)
61 *b++ = ao_eeprom_read_byte(addr++);
65 ao_eeprom_write(uint16_t addr, void *buf, uint16_t len)
70 ao_eeprom_write_byte(addr++, *b++);