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/***************************************************************
*
* OpenBeacon.org - flash routines for persistent environment storage
*
* Copyright 2007 Milosch Meriac <meriac@openbeacon.de>
*
***************************************************************
This program 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; version 2.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ENV_H__
#define __ENV_H__
#define TENVIRONMENT_MAGIC 0x0CCC2007
typedef struct
{
unsigned int magic,size,crc16;
unsigned int mode,speed;
unsigned int reader_id;
} TEnvironment;
typedef union {
TEnvironment e;
unsigned int data[AT91C_IFLASH_PAGE_SIZE/sizeof(unsigned int)];
} TEnvironmentBlock;
extern void env_store(void) RAMFUNC;
extern int env_load(void);
extern void env_init(void);
extern TEnvironmentBlock env;
extern unsigned short env_crc16 (const unsigned char *buffer, int size) RAMFUNC;
#endif/*__ENV_H__*/
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