#ifndef _DEV_AT45DB_H_ #define _DEV_AT45DB_H_ /* * 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 THE COPYRIGHT HOLDERS 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 THE * COPYRIGHT OWNER 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/ */ /*! * \file dev/at45db.h * \brief Dataflash helper routines. * * \verbatim * * $Log$ * Revision 1.5 2009/01/17 11:26:47 haraldkipp * Getting rid of two remaining BSD types in favor of stdint. * Replaced 'u_int' by 'unsinged int' and 'uptr_t' by 'uintptr_t'. * * Revision 1.4 2008/08/11 06:59:59 haraldkipp * BSD types replaced by stdint types (feature request #1282721). * * Revision 1.3 2008/02/15 17:10:44 haraldkipp * At45dbPageErase selected the wrong bank. Fixed. Parameter pgn (page number) * of At45dbPageWrite() changed from unsigned int to unsigned long. * New routines At45dbPages() and At45dbPageSize() allow to determine the * chip's layout. * * Revision 1.2 2006/10/08 16:48:09 haraldkipp * Documentation fixed * * Revision 1.1 2006/09/29 12:41:55 haraldkipp * Added support for AT45 serial DataFlash memory chips. Currently limited * to AT91 builds. * * * \endverbatim */ #include #include extern int At45dbSendCmd(int dd, uint8_t op, uint32_t parm, int len, const void *tdata, void *rdata, int datalen); extern uint8_t At45dbGetStatus(int dd); extern int At45dbWaitReady(int dd, uint32_t tmo, int poll); extern int At45dbInit(unsigned int spibas, unsigned int spipcs); extern int At45dbPageErase(int dd, uint32_t pgn); extern int At45dbChipErase(void); extern int At45dbPageRead(int dd, uint32_t pgn, void *data, unsigned int len); extern int At45dbPageWrite(int dd, uint32_t pgn, const void *data, unsigned int len); extern uint32_t At45dbPages(int dd); extern unsigned int At45dbPageSize(int dd); extern int At45dbParamRead(unsigned int pos, void *data, unsigned int len); extern int At45dbParamWrite(unsigned int pos, const void *data, unsigned int len); #endif