at49bv.h

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00001 #ifndef _DEV_AT49BV_H_
00002 #define _DEV_AT49BV_H_
00003 
00004 /*
00005  * Copyright (C) 2006 by egnite Software GmbH. All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  * 3. Neither the name of the copyright holders nor the names of
00017  *    contributors may be used to endorse or promote products derived
00018  *    from this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00021  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00022  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00023  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00024  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00025  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00026  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00027  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00028  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00029  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00030  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  *
00033  * For additional information see http://www.ethernut.de/
00034  */
00035 
00036 /*
00037  * $Log: at49bv.h,v $
00038  * Revision 1.2  2008/07/17 11:51:19  olereinhardt
00039  * Added function AT49bvReadProtectionRegister to read the 64bit factory
00040  * or user id
00041  *
00042  * Revision 1.1  2006/04/07 13:51:36  haraldkipp
00043  * AT49BV flash memory support added. A single sector may be used to
00044  * store system configurations in case there is no EEPROM available.
00045  *
00046  */
00047 
00048 #include <sys/types.h>
00049 
00050 __BEGIN_DECLS
00051 /* Prototypes */
00052 
00053 extern unsigned long At49bvInit(void);
00054 extern unsigned long long AT49bvReadProtectionRegister(int factory);
00055 extern int At49bvChipErase(void);
00056 extern int At49bvSectorErase(u_int off);
00057 extern int At49bvSectorRead(u_int off, void *data, u_int len);
00058 extern int At49bvSectorWrite(u_int off, CONST void *data, u_int len);
00059 extern int At49bvParamRead(u_int pos, void *data, u_int len);
00060 extern int At49bvParamWrite(u_int pos, CONST void *data, u_int len);
00061 
00062 __END_DECLS
00063 /* End of prototypes */
00064 #endif

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