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/* 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>
/* default values for eeprom */
char eeprom[] EEMEM = {0x00, 0x00, 0x00};
/* 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);
}
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