openpcd/openpicc/application/env.h @ master
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/***************************************************************
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*
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* OpenBeacon.org - flash routines for persistent environment storage
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*
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* Copyright 2007 Milosch Meriac <meriac@openbeacon.de>
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*
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***************************************************************
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ENV_H__
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#define __ENV_H__
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#define TENVIRONMENT_MAGIC 0x0CCC2007
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typedef struct |
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{
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unsigned int magic,size,crc16; |
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unsigned int mode,speed; |
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unsigned int reader_id; |
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} TEnvironment; |
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typedef union { |
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TEnvironment e; |
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unsigned int data[AT91C_IFLASH_PAGE_SIZE/sizeof(unsigned int)]; |
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} TEnvironmentBlock; |
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extern void env_store(void) RAMFUNC; |
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extern int env_load(void); |
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extern void env_init(void); |
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extern TEnvironmentBlock env; |
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extern unsigned short env_crc16 (const unsigned char *buffer, int size) RAMFUNC; |
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#endif/*__ENV_H__*/ |
