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pulkomandy.tk / contiki-1.x / bfc34cec508399cb34b5da1944cd9d7af7548146 / . / contiki-cpc / contiki-cpc / loader / unused / cfs-cbm.c
blob: 66aaa2d07c87847df4137f567eba2e6e58537180 [file] [log] [blame]
kthacker62e146c2006-04-17 15:11:35 +0000[diff] [blame]1/*
2 * Copyright (c) 2004, Adam Dunkels.
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 * Author: Adam Dunkels <adam@sics.se>
32 *
33 * $Id: cfs-cbm.c,v 1.1 2006/04/17 15:11:57 kthacker Exp $
34 */
35#include "contiki.h"
36
37#include "log.h"
38#include "cfs.h"
39#include "cfs-service.h"
40
41#include <cbm.h>
42#include <string.h>
43
44static int s_open(const char *n, int f);
45static void s_close(int f);
46static int s_read(int f, char *b, unsigned int l);
47static int s_write(int f, char *b, unsigned int l);
48static int s_opendir(struct cfs_dir *p, const char *n);
49static int s_readdir(struct cfs_dir *p, struct cfs_dirent *e);
50static int s_closedir(struct cfs_dir *p);
51
52static const struct cfs_service_interface interface =
53 {
54 CFS_SERVICE_VERSION,
55 s_open,
56 s_close,
57 s_read,
58 s_write,
59 s_opendir,
60 s_readdir,
61 s_closedir
62 };
63
64EK_EVENTHANDLER(eventhandler, ev, data);
65EK_PROCESS(proc, CFS_SERVICE_NAME ": KERNAL", EK_PRIO_NORMAL,
66 eventhandler, NULL, (void *)&interface);
67
68/*---------------------------------------------------------------------------*/
69LOADER_INIT_FUNC(cfs_cbm_init, arg)
70{
71 arg_free(arg);
72 ek_service_start(CFS_SERVICE_NAME, &proc);
73}
74/*---------------------------------------------------------------------------*/
75EK_EVENTHANDLER(eventhandler, ev, data)
76{
77 switch(ev) {
78 case EK_EVENT_INIT:
79 case EK_EVENT_REPLACE:
80 log_message("Starting KERNAL CFS", "");
81 break;
82 case EK_EVENT_REQUEST_REPLACE:
83 ek_replace((struct ek_proc *)data, &interface);
84 break;
85 case EK_EVENT_REQUEST_EXIT:
86 ek_exit();
87 break;
88 }
89}
90/*---------------------------------------------------------------------------*/
91static int
92s_open(const char *n, int f)
93{
94 if(cbm_open(2, 8, f, n) == 0) {
95 return 2;
96 }
97 return -1;
98}
99/*---------------------------------------------------------------------------*/
100static void
101s_close(int f)
102{
103 cbm_close(f);
104}
105/*---------------------------------------------------------------------------*/
106static int
107s_read(int f, char *b, unsigned int l)
108{
109 return cbm_read(f, b, l);
110}
111/*---------------------------------------------------------------------------*/
112static int
113s_write(int f, char *b, unsigned int l)
114{
115 return cbm_write(f, b, l);
116}
117/*---------------------------------------------------------------------------*/
118static int
119s_opendir(struct cfs_dir *p, const char *n)
120{
121 return cbm_opendir(4, 8);
122}
123/*---------------------------------------------------------------------------*/
124static int
125s_readdir(struct cfs_dir *p, struct cfs_dirent *e)
126{
127 struct cbm_dirent ce;
128 int ret;
129 ret = cbm_readdir(4, &ce);
130 strncpy(e->name, ce.name, sizeof(ce.name));
131 e->size = ce.size;
132 return ret;
133}
134/*---------------------------------------------------------------------------*/
135static int
136s_closedir(struct cfs_dir *p)
137{
138 cbm_closedir(4);
139 return 1;
140}
141/*---------------------------------------------------------------------------*/