diff options
Diffstat (limited to 'firmware/e300/battery/eeprom.c')
-rw-r--r-- | firmware/e300/battery/eeprom.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/firmware/e300/battery/eeprom.c b/firmware/e300/battery/eeprom.c new file mode 100644 index 000000000..f8bc172d2 --- /dev/null +++ b/firmware/e300/battery/eeprom.c @@ -0,0 +1,43 @@ +/* USRP E310 Firmware EEPROM driver + * Copyright (C) 2014 Ettus Research + * This file is part of the USRP E310 Firmware + * The USRP E310 Firmware is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * The USRP E310 Firmware is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * You should have received a copy of the GNU General Public License + * along with the USRP E310 Firmware. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "eeprom.h" +#include <avr/eeprom.h> + +/* the avr libc wants it this way ... */ +static uint8_t* EEPROM_AUTOBOOT_OFFSET = (uint8_t *) 0x00; +static uint16_t *EEPROM_LAST_FULL_OFFSET = (uint16_t *) 0x04; + +static const uint8_t EEPROM_AUTOBOOT_MAGIC = 0xa5; + +bool eeprom_get_autoboot(void) +{ + return EEPROM_AUTOBOOT_MAGIC == eeprom_read_byte(EEPROM_AUTOBOOT_OFFSET); +} + +void eeprom_set_autoboot(bool on) +{ + eeprom_update_byte(EEPROM_AUTOBOOT_OFFSET, on ? EEPROM_AUTOBOOT_MAGIC : 0x00); +} + +uint16_t eeprom_get_last_full(void) +{ + return eeprom_read_word(EEPROM_LAST_FULL_OFFSET); +} + +void eeprom_set_last_full_charge(uint16_t charge) +{ + eeprom_update_word(EEPROM_LAST_FULL_OFFSET, charge); +} |