nes-proj/examples/cc2538dk/sniffer/stub-rdc.c

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/*
* Copyright (c) 2010, Loughborough University - 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.
*/
/**
* \file
* Definition of a fake RDC driver to be used with passive
* examples. The sniffer will never send packets and it will never
* push incoming packets up the stack. We do this by defining this
* driver as our RDC. We then drop everything
*
* \author
* George Oikonomou - <oikonomou@users.sourceforge.net>
*/
#include "net/mac/mac.h"
#include "net/mac/rdc.h"
/*---------------------------------------------------------------------------*/
static void
send(mac_callback_t sent, void *ptr)
{
if(sent) {
sent(ptr, MAC_TX_OK, 1);
}
}
/*---------------------------------------------------------------------------*/
static void
send_list(mac_callback_t sent, void *ptr, struct rdc_buf_list *list)
{
if(sent) {
sent(ptr, MAC_TX_OK, 1);
}
}
/*---------------------------------------------------------------------------*/
static void
input(void)
{
}
/*---------------------------------------------------------------------------*/
static int
on(void)
{
return 1;
}
/*---------------------------------------------------------------------------*/
static int
off(int keep_radio_on)
{
return keep_radio_on;
}
/*---------------------------------------------------------------------------*/
static unsigned short
cca(void)
{
return 0;
}
/*---------------------------------------------------------------------------*/
static void
init(void)
{
}
/*---------------------------------------------------------------------------*/
const struct rdc_driver stub_rdc_driver = {
"stub-rdc",
init,
send,
send_list,
input,
on,
off,
cca,
};
/*---------------------------------------------------------------------------*/