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-rw-r--r--firmware/e300/battery/eeprom.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/firmware/e300/battery/eeprom.c b/firmware/e300/battery/eeprom.c
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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);
+}