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 
00074 #include <dev/nvmem.h>
00075 
00076 #if defined(NUT_CONFIG_X12RTC)
00077 #include <dev/x12rtc.h>
00078 #elif defined(NUT_CONFIG_AT45D)
00079 #include <dev/nvmem_at45d.h>
00080 #elif defined(NUT_CONFIG_AT45DB)
00081 #include <dev/at45db.h>
00082 #elif defined(NUT_CONFIG_AT49BV)
00083 #include <dev/at49bv.h>
00084 #elif defined(NUT_CONFIG_AT91EFC)
00085 #include <arch/arm/at91_efc.h>
00086 #endif
00087 
00092 
00105 int NutNvMemLoad(unsigned int addr, void *buff, size_t siz)
00106 {
00107 #if defined(NUT_CONFIG_X12RTC)
00108     return X12EepromRead(addr, buff, siz);
00109 #elif defined(NUT_CONFIG_AT45D)
00110     return SpiAt45dConfigRead(addr, buff, siz);
00111 #elif defined(NUT_CONFIG_AT45DB)
00112     return At45dbParamRead(addr, buff, siz);
00113 #elif defined(NUT_CONFIG_AT49BV)
00114     return At49bvParamRead(addr, buff, siz);
00115 #elif defined(__AVR__)
00116     return OnChipNvMemLoad(addr, buff, siz);
00117 #elif defined(NUT_CONFIG_AT91EFC)
00118     return At91EfcParamRead(addr, buff, siz);
00119 #else
00120     return -1;
00121 #endif
00122 }
00123 
00136 int NutNvMemSave(unsigned int addr, CONST void *buff, size_t len)
00137 {
00138 #if defined(NUT_CONFIG_X12RTC)
00139     return X12EepromWrite(addr, buff, len);
00140 #elif defined(NUT_CONFIG_AT45D)
00141     return SpiAt45dConfigWrite(addr, buff, len);
00142 #elif defined(NUT_CONFIG_AT45DB)
00143     return At45dbParamWrite(addr, buff, len);
00144 #elif defined(NUT_CONFIG_AT49BV)
00145     return At49bvParamWrite(addr, buff, len);
00146 #elif defined(__AVR__)
00147     return OnChipNvMemSave(addr, buff, len);
00148 #elif defined(NUT_CONFIG_AT91EFC)
00149     return At91EfcParamWrite(addr, buff, len);
00150 #else
00151     return -1;
00152 #endif
00153 }
00154 

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