124 lines
3.9 KiB
C
124 lines
3.9 KiB
C
/*
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* Copyright (c) 2004, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: cfs-cbm.c,v 1.1 2006/06/17 22:41:26 adamdunkels Exp $
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*/
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#include "contiki.h"
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#include "cfs/cfs.h"
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#include "cfs/cfs-service.h"
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#include <cbm.h>
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#include <string.h>
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static int s_open(const char *n, int f);
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static void s_close(int f);
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static int s_read(int f, char *b, unsigned int l);
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static int s_write(int f, char *b, unsigned int l);
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static int s_opendir(struct cfs_dir *p, const char *n);
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static int s_readdir(struct cfs_dir *p, struct cfs_dirent *e);
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static int s_closedir(struct cfs_dir *p);
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SERVICE(cfs_cbm_service, cfs_service,
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{ s_open, s_close, s_read, s_write, s_opendir, s_readdir, s_closedir });
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PROCESS(cfs_cbm_process, "CFS KERNAL service");
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PROCESS_THREAD(cfs_cbm_process, ev, data) {
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PROCESS_BEGIN();
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log_message("Starting KERNAL CFS", "");
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SERVICE_REGISTER(cfs_cbm_service);
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while(ev != PROCESS_EVENT_SERVICE_REMOVED &&
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ev != PROCESS_EVENT_EXIT) {
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PROCESS_WAIT_EVENT();
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}
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SERVICE_REMOVE(cfs_cbm_service);
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_open(const char *n, int f)
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{
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if(cbm_open(2, _curunit, f, n) == 0) {
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return 2;
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}
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return -1;
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}
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/*---------------------------------------------------------------------------*/
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static void
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s_close(int f)
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{
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cbm_close(f);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_read(int f, char *b, unsigned int l)
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{
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return cbm_read(f, b, l);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_write(int f, char *b, unsigned int l)
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{
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return cbm_write(f, b, l);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_opendir(struct cfs_dir *p, const char *n)
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{
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return cbm_opendir(4, _curunit);
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_readdir(struct cfs_dir *p, struct cfs_dirent *e)
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{
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struct cbm_dirent ce;
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int ret;
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ret = cbm_readdir(4, &ce);
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strncpy(e->name, ce.name, sizeof(ce.name));
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e->size = ce.size;
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return ret;
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}
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/*---------------------------------------------------------------------------*/
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static int
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s_closedir(struct cfs_dir *p)
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{
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cbm_closedir(4);
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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