nvmem.c

Go to the documentation of this file.

/*
 * Copyright (C) 2006 by egnite Software GmbH. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * For additional information see http://www.ethernut.de/
 *
 */

#include <dev/nvmem.h>

#if defined(NUT_CONFIG_X12RTC)
#include <dev/x12rtc.h>
#elif defined(NUT_CONFIG_AT45D)
#include <dev/nvmem_at45d.h>
#elif defined(NUT_CONFIG_AT45DB)
#include <dev/at45db.h>
#elif defined(NUT_CONFIG_AT49BV)
#include <dev/at49bv.h>
#elif defined(NUT_CONFIG_AT91EFC)
#include <arch/arm/atmel/at91_efc.h>
#elif defined(NUT_CONFIG_AT24)
#include <dev/eeprom.h>
#endif


int NutNvMemLoad(unsigned int addr, void *buff, size_t siz)
{
#if defined(NUT_CONFIG_X12RTC)
    return X12EepromRead(addr, buff, siz);
#elif defined(NUT_CONFIG_AT45D)
    return SpiAt45dConfigRead(addr, buff, siz);
#elif defined(NUT_CONFIG_AT45DB)
    return At45dbParamRead(addr, buff, siz);
#elif defined(NUT_CONFIG_AT49BV)
    return At49bvParamRead(addr, buff, siz);
#elif defined(__AVR__)
    return OnChipNvMemLoad(addr, buff, siz);
#elif defined(NUT_CONFIG_AT91EFC)
    return At91EfcParamRead(addr, buff, siz);
#elif defined(NUT_CONFIG_AT24)
    return EEReadData( addr, buff, siz);
#else
    return -1;
#endif
}

int NutNvMemSave(unsigned int addr, CONST void *buff, size_t len)
{
#if defined(NUT_CONFIG_X12RTC)
    return X12EepromWrite(addr, buff, len);
#elif defined(NUT_CONFIG_AT45D)
    return SpiAt45dConfigWrite(addr, buff, len);
#elif defined(NUT_CONFIG_AT45DB)
    return At45dbParamWrite(addr, buff, len);
#elif defined(NUT_CONFIG_AT49BV)
    return At49bvParamWrite(addr, buff, len);
#elif defined(__AVR__)
    return OnChipNvMemSave(addr, buff, len);
#elif defined(NUT_CONFIG_AT91EFC)
    return At91EfcParamWrite(addr, buff, len);
#elif defined(NUT_CONFIG_AT24)
    return EEWriteData( addr, buff, len);
#else
    return -1;
#endif
}