nes-proj/platform/netsim/net/ethernode-rime.c

84 lines
2.8 KiB
C

/*
* Copyright (c) 2004, 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.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: ethernode-rime.c,v 1.4 2007/03/22 18:59:34 adamdunkels Exp $
*/
#include "contiki.h"
#include "ethernode.h"
#include "net/rime.h"
PROCESS(ethernode_rime_process, "Ethernode Rime driver");
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(ethernode_rime_process, ev, data)
{
PROCESS_BEGIN();
/* printf("ethernode_rime_process\n");*/
while(1) {
process_poll(&ethernode_rime_process);
PROCESS_WAIT_EVENT();
/* Poll Ethernet device to see if there is a frame avaliable. */
{
u16_t len;
rimebuf_clear();
len = ethernode_read(rimebuf_dataptr(), RIMEBUF_SIZE);
if(len > 0) {
rimebuf_set_datalen(len);
/* printf("ethernode_rime_process: received len %d\n",
len);*/
rime_input();
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
rime_driver_send(void)
{
/* printf("ethernode_rime: sending %d bytes\n", rimebuf_totlen());*/
ethernode_send_buf(rimebuf_hdrptr(), rimebuf_totlen());
}
/*---------------------------------------------------------------------------*/