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added Contiki Filesystem (CFS) support in COOJA: core interface, glue driver

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fros4943 2006-10-11 14:16:10 +00:00
parent e8daead842
commit 0914fe489e
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173
platform/cooja/dev/cfs-cooja.c Normal file
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/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* 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 Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
* $Id: cfs-cooja.c,v 1.1 2006/10/11 14:16:10 fros4943 Exp $
*/
#include <string.h>
#include "dev/cfs-cooja.h"
#include "lib/simEnvChange.h"
#include "cfs/cfs.h"
#include "cfs/cfs-service.h"
#include "dev/eeprom.h"
struct filestate {
int flag;
#define FLAG_FILE_CLOSED 0
#define FLAG_FILE_OPEN 1
eeprom_addr_t fileptr;
};
static struct filestate file;
const struct simInterface cfs_interface;
// COOJA variables
#define CFS_BUF_SIZE 60*1024
char simCFSData[CFS_BUF_SIZE];
char simCFSChanged = 0;
int simCFSRead = 0;
int simCFSWritten = 0;
/*---------------------------------------------------------------------------*/
static int
s_open(const char *n, int f)
{
if(file.flag == FLAG_FILE_CLOSED) {
file.flag = FLAG_FILE_OPEN;
file.fileptr = 0;
return 1;
} else {
return -1;
}
}
/*---------------------------------------------------------------------------*/
static void
s_close(int f)
{
file.flag = FLAG_FILE_CLOSED;
}
/*---------------------------------------------------------------------------*/
static int
s_read(int f, char *buf, unsigned int len)
{
if(f == 1) {
// TODO Should yield a few times?
memcpy(&buf[0], &simCFSData[0] + file.fileptr, len);
file.fileptr += len;
simCFSChanged = 1;
simCFSRead += len;
return len;
} else {
return -1;
}
}
/*---------------------------------------------------------------------------*/
static int
s_write(int f, char *buf, unsigned int len)
{
if(f == 1) {
// TODO Should yield a few times?
memcpy(&simCFSData[0] + file.fileptr, &buf[0], len);
file.fileptr += len;
simCFSChanged = 1;
simCFSWritten += len;
return len;
} else {
return -1;
}
}
/*---------------------------------------------------------------------------*/
static int
s_seek(int f, unsigned int o)
{
if(f == 1) {
file.fileptr = o;
return o;
} else {
return -1;
}
}
/*---------------------------------------------------------------------------*/
static int
s_opendir(struct cfs_dir *p, const char *n)
{
return 1;
}
/*---------------------------------------------------------------------------*/
static int
s_readdir(struct cfs_dir *p, struct cfs_dirent *e)
{
return 1;
}
/*---------------------------------------------------------------------------*/
static int
s_closedir(struct cfs_dir *p)
{
return 1;
}
/*---------------------------------------------------------------------------*/
/*
* Service registration code follows.
*/
SERVICE(cfs_cooja_service, cfs_service,
{ s_open, s_close, s_read, s_write, s_seek,
s_opendir, s_readdir, s_closedir });
PROCESS(cfs_cooja_process, "CFS COOJA service");
PROCESS_THREAD(cfs_cooja_process, ev, data)
{
PROCESS_BEGIN();
SERVICE_REGISTER(cfs_cooja_service);
PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_SERVICE_REMOVED ||
ev == PROCESS_EVENT_EXIT);
SERVICE_REMOVE(cfs_cooja_service);
PROCESS_END();
}
/*-----------------------------------------------------------------------------------*/
static void
doInterfaceActionsBeforeTick(void)
{
}
/*-----------------------------------------------------------------------------------*/
static void
doInterfaceActionsAfterTick(void)
{
}
/*-----------------------------------------------------------------------------------*/
SIM_INTERFACE(cfs_interface,
doInterfaceActionsBeforeTick,
doInterfaceActionsAfterTick);

39
platform/cooja/dev/cfs-cooja.h Normal file
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/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* 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 Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
*
* $Id: cfs-cooja.h,v 1.1 2006/10/11 14:16:10 fros4943 Exp $
*/
#ifndef __CFS_COOJA_H__
#define __CFS_COOJA_H__
#include "contiki.h"
#include "cfs/cfs.h"
PROCESS_NAME(cfs_cooja_process);
#endif /* __CFS_COOJA_H__ */