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//==========================================================================
//
// flash_config.h
//
// Flash configuration data tables for RedBoot
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2008 Free Software Foundation, Inc.
//
// eCos 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 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): gthomas
// Contributors: gthomas
// Date: 2000-08-21
// Purpose:
// Description:
//
// This code is part of RedBoot (tm).
//
//####DESCRIPTIONEND####
//
//==========================================================================
#ifndef _FLASH_CONFIG_H_
#define _FLASH_CONFIG_H_
#define MAX_SCRIPT_LENGTH CYGNUM_REDBOOT_FLASH_SCRIPT_SIZE
#define MAX_STRING_LENGTH CYGNUM_REDBOOT_FLASH_STRING_SIZE
#define MAX_CONFIG_DATA CYGNUM_REDBOOT_FLASH_CONFIG_SIZE
#define CONFIG_EMPTY 0
#define CONFIG_BOOL 1
#define CONFIG_INT 2
#define CONFIG_STRING 3
#define CONFIG_SCRIPT 4
#ifdef CYGPKG_REDBOOT_NETWORKING
#define CONFIG_IP 5
#define CONFIG_ESA 6
#define CONFIG_NETPORT 7
#endif
struct config_option {
char *key;
char *title;
char *enable;
bool enable_sense;
int type;
unsigned long dflt;
} CYG_HAL_TABLE_TYPE;
#define ALWAYS_ENABLED (char *)0
#define RedBoot_config_option(_t_,_n_,_e_,_ie_,_type_,_dflt_) \
struct config_option _config_option_##_n_ \
CYG_HAL_TABLE_QUALIFIED_ENTRY(RedBoot_config_options,_n_) = \
{#_n_,_t_,_e_,_ie_,_type_,(unsigned long)_dflt_};
// Cause the in-memory configuration data to be written to flash
void flash_write_config(bool prompt);
// Fetch a data item from flash storage, returns 'false' if not found
bool flash_get_config(char *key, void *val, int type);
// Update a data item from flash storage, returns 'false' if not found
bool flash_set_config(char *key, void *val, int type);
// Enumerate keys from configuration
bool flash_next_key(char *key, int keylen, int *type, int *offset);
// Add a new data item to configuration data base. Returns 'false'
// if no space is available.
bool flash_add_config(struct config_option *opt, bool update);
// Internal structure used to hold config data
struct _config {
unsigned long len;
unsigned long key1;
char config_data[MAX_CONFIG_DATA-(4*4)];
unsigned long key2;
unsigned long cksum;
};
#endif // _FLASH_CONFIG_H_
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