Contiki 2.5
cfs-coffee-arch.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2008, Swedish Institute of Computer Science
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  *
31  */
32 
33 /**
34  * \file
35  * Coffee architecture-dependent header for the native platform.
36  * \author
37  * Nicolas Tsiftes <nvt@sics.se>
38  */
39 
40 #ifndef CFS_COFFEE_ARCH_H
41 #define CFS_COFFEE_ARCH_H
42 
43 #include "contiki-conf.h"
44 #include "dev/xmem.h"
45 
46 #define COFFEE_SECTOR_SIZE 65536UL
47 #define COFFEE_PAGE_SIZE 256UL
48 #define COFFEE_START 0
49 #define COFFEE_SIZE ((1024UL * 1024UL) - COFFEE_START)
50 #define COFFEE_NAME_LENGTH 16
51 #define COFFEE_DYN_SIZE 16384
52 #define COFFEE_MAX_OPEN_FILES 6
53 #define COFFEE_FD_SET_SIZE 8
54 #define COFFEE_LOG_DIVISOR 4
55 #define COFFEE_LOG_SIZE 8192
56 #define COFFEE_LOG_TABLE_LIMIT 256
57 #define COFFEE_MICRO_LOGS 0
58 #define COFFEE_IO_SEMANTICS 1
59 
60 #define COFFEE_WRITE(buf, size, offset) \
61  xmem_pwrite((char *)(buf), (size), COFFEE_START + (offset))
62 
63 #define COFFEE_READ(buf, size, offset) \
64  xmem_pread((char *)(buf), (size), COFFEE_START + (offset))
65 
66 #define COFFEE_ERASE(sector) \
67  xmem_erase(COFFEE_SECTOR_SIZE, COFFEE_START + (sector) * COFFEE_SECTOR_SIZE)
68 
69 #define READ_HEADER(hdr, page) \
70  COFFEE_READ((hdr), sizeof (*hdr), (page) * COFFEE_PAGE_SIZE)
71 
72 #define WRITE_HEADER(hdr, page) \
73  COFFEE_WRITE((hdr), sizeof (*hdr), (page) * COFFEE_PAGE_SIZE)
74 
75 /* Coffee types. */
76 typedef int16_t coffee_page_t;
77 
78 #endif /* !COFFEE_ARCH_H */