nvmem.c

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00001 /*
00002  * Copyright (C) 2006 by egnite Software GmbH. All rights reserved.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions
00006  * are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the copyright holders nor the names of
00014  *    contributors may be used to endorse or promote products derived
00015  *    from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00018  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00019  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00020  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00021  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00022  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00023  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00024  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00025  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00026  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00027  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00028  * SUCH DAMAGE.
00029  *
00030  * For additional information see http://www.ethernut.de/
00031  *
00032  */
00033 
00067 #include <dev/nvmem.h>
00068 
00069 #if defined(NUT_CONFIG_X12RTC)
00070 #include <dev/x12rtc.h>
00071 #elif defined(NUT_CONFIG_AT45DB)
00072 #include <dev/at45db.h>
00073 #elif defined(NUT_CONFIG_AT49BV)
00074 #include <dev/at49bv.h>
00075 #elif defined(NUT_CONFIG_AT91EFC)
00076 #include <arch/arm/at91_efc.h>
00077 #endif
00078 
00083 
00096 int NutNvMemLoad(u_int addr, void *buff, size_t siz)
00097 {
00098 #if defined(NUT_CONFIG_X12RTC)
00099     return X12EepromRead(addr, buff, siz);
00100 #elif defined(NUT_CONFIG_AT45DB)
00101     return At45dbParamRead(addr, buff, siz);
00102 #elif defined(NUT_CONFIG_AT49BV)
00103     return At49bvParamRead(addr, buff, siz);
00104 #elif defined(__AVR__)
00105     return OnChipNvMemLoad(addr, buff, siz);
00106 #elif defined(NUT_CONFIG_AT91EFC)
00107     return At91EfcParamRead(addr, buff, siz);
00108 #else
00109     return -1;
00110 #endif
00111 }
00112 
00125 int NutNvMemSave(u_int addr, CONST void *buff, size_t len)
00126 {
00127 #if defined(NUT_CONFIG_X12RTC)
00128     return X12EepromWrite(addr, buff, len);
00129 #elif defined(NUT_CONFIG_AT45DB)
00130     return At45dbParamWrite(addr, buff, len);
00131 #elif defined(NUT_CONFIG_AT49BV)
00132     return At49bvParamWrite(addr, buff, len);
00133 #elif defined(__AVR__)
00134     return OnChipNvMemSave(addr, buff, len);
00135 #elif defined(NUT_CONFIG_AT91EFC)
00136     return At91EfcParamWrite(addr, buff, len);
00137 #else
00138     return -1;
00139 #endif
00140 }
00141 

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