firmware/export/eeprom_settings.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Miika Pekkarinen
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _EEPROM_SETTINGS_H_
  23 #define _EEPROM_SETTINGS_H_
  24
  25 #include <stdbool.h>
  26 #include "inttypes.h"
  27
  28 #define EEPROM_SETTINGS_VERSION   0x24c01002
  29 #define EEPROM_SETTINGS_BL_MINVER 7
  30
  31 enum boot_methods {
  32     BOOT_DISK = 0,
  33     BOOT_RAM,
  34     BOOT_ROM,
  35     BOOT_RECOVERY,
  36 };
  37
  38 struct eeprom_settings
  39 {
  40     long version;       /* Settings version number */
  41     bool initialized;   /* Is eeprom_settings ready to be used */
  42     bool disk_clean;    /* Is disk intact from last reboot */
  43     uint8_t bootmethod; /* The default boot method. */
  44     uint8_t bl_version; /* Installed bootloader version */
  45
  46     long reserved;      /* A few reserved bits for the future. */
  47
  48     /* This must be the last entry */
  49     uint32_t checksum;  /* Checksum of this structure */
  50 };
  51
  52 extern struct eeprom_settings firmware_settings;
  53
  54 bool eeprom_settings_init(void);
  55 bool eeprom_settings_store(void);
  56
  57 #endif
  58