mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-22 10:30:13 +00:00
106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/**
|
|
* \addtogroup dev
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \defgroup radio Radio API
|
|
*
|
|
* The radio API module defines a set of functions that a radio device
|
|
* driver must implement.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2005, 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.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Header file for the radio API
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#ifndef RADIO_H_
|
|
#define RADIO_H_
|
|
|
|
/**
|
|
* The structure of a device driver for a radio in Contiki.
|
|
*/
|
|
struct radio_driver {
|
|
|
|
int (* init)(void);
|
|
|
|
/** Prepare the radio with a packet to be sent. */
|
|
int (* prepare)(const void *payload, unsigned short payload_len);
|
|
|
|
/** Send the packet that has previously been prepared. */
|
|
int (* transmit)(unsigned short transmit_len);
|
|
|
|
/** Prepare & transmit a packet. */
|
|
int (* send)(const void *payload, unsigned short payload_len);
|
|
|
|
/** Read a received packet into a buffer. */
|
|
int (* read)(void *buf, unsigned short buf_len);
|
|
|
|
/** Perform a Clear-Channel Assessment (CCA) to find out if there is
|
|
a packet in the air or not. */
|
|
int (* channel_clear)(void);
|
|
|
|
/** Check if the radio driver is currently receiving a packet */
|
|
int (* receiving_packet)(void);
|
|
|
|
/** Check if the radio driver has just received a packet */
|
|
int (* pending_packet)(void);
|
|
|
|
/** Turn the radio on. */
|
|
int (* on)(void);
|
|
|
|
/** Turn the radio off. */
|
|
int (* off)(void);
|
|
};
|
|
|
|
/* Generic radio return values. */
|
|
enum {
|
|
RADIO_TX_OK,
|
|
RADIO_TX_ERR,
|
|
RADIO_TX_COLLISION,
|
|
RADIO_TX_NOACK,
|
|
};
|
|
|
|
#endif /* RADIO_H_ */
|
|
|
|
|
|
/** @} */
|
|
/** @} */
|