Contiki 2.6

cfs-coffee-arch.h

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00001 /*
00002  * Copyright (c) 2008, Swedish Institute of Computer Science
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
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 Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the Contiki operating system.
00030  *
00031  */
00032 
00033 /**
00034  * \file
00035  *      Coffee architecture-dependent header for the native platform.
00036  * \author
00037  *      Nicolas Tsiftes <nvt@sics.se>
00038  */
00039 
00040 #ifndef CFS_COFFEE_ARCH_H
00041 #define CFS_COFFEE_ARCH_H
00042 
00043 #include "contiki-conf.h"
00044 #include "dev/xmem.h"
00045 
00046 #define COFFEE_SECTOR_SIZE              65536UL
00047 #define COFFEE_PAGE_SIZE                256UL
00048 #define COFFEE_START                    0
00049 #define COFFEE_SIZE                     ((1024UL * 1024UL) - COFFEE_START)
00050 #define COFFEE_NAME_LENGTH              16
00051 #define COFFEE_DYN_SIZE                 16384
00052 #define COFFEE_MAX_OPEN_FILES           6
00053 #define COFFEE_FD_SET_SIZE              8
00054 #define COFFEE_LOG_DIVISOR              4
00055 #define COFFEE_LOG_SIZE                 8192
00056 #define COFFEE_LOG_TABLE_LIMIT          256
00057 #define COFFEE_MICRO_LOGS               0
00058 #define COFFEE_IO_SEMANTICS             1
00059 
00060 #define COFFEE_WRITE(buf, size, offset)                         \
00061                 xmem_pwrite((char *)(buf), (size), COFFEE_START + (offset))
00062 
00063 #define COFFEE_READ(buf, size, offset)                          \
00064                 xmem_pread((char *)(buf), (size), COFFEE_START + (offset))
00065 
00066 #define COFFEE_ERASE(sector)                                    \
00067                 xmem_erase(COFFEE_SECTOR_SIZE, COFFEE_START + (sector) * COFFEE_SECTOR_SIZE)
00068 
00069 #define READ_HEADER(hdr, page)                                          \
00070   COFFEE_READ((hdr), sizeof (*hdr), (page) * COFFEE_PAGE_SIZE)
00071 
00072 #define WRITE_HEADER(hdr, page)                                         \
00073   COFFEE_WRITE((hdr), sizeof (*hdr), (page) * COFFEE_PAGE_SIZE)
00074 
00075 /* Coffee types. */
00076 typedef int16_t coffee_page_t;
00077 
00078 #endif /* !COFFEE_ARCH_H */