new radio driver (allows for transmissions longer than one tick)
This commit is contained in:
fros4943
parent
54f852bf80
commit
c69f9298a4
1 changed files with 82 additions and 89 deletions
|
|
@ -1,32 +1,30 @@
|
|||
/*
|
||||
* Copyright (c) 2006, Swedish Institute of Computer Science.
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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: Radio.java,v 1.1 2006/08/21 12:12:59 fros4943 Exp $
|
||||
* 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: Radio.java,v 1.2 2006/10/02 15:10:57 fros4943 Exp $
|
||||
*/
|
||||
|
||||
package se.sics.cooja.interfaces;
|
||||
|
|
@ -35,99 +33,94 @@ import se.sics.cooja.*;
|
|||
|
||||
/**
|
||||
* A Radio represents a mote radio transceiver. An implementation should notify
|
||||
* all observers both when packets are received and transmitted. The static
|
||||
* constants should be used for describing the radio status when the observers
|
||||
* are notified.
|
||||
* all observers both when packets are received and transmitted.
|
||||
*
|
||||
* @see #SENT_NOTHING
|
||||
* @see #SENT_SOMETHING
|
||||
* @see #HEARS_NOTHING
|
||||
* @see #HEARS_PACKET
|
||||
* @see #HEARS_NOISE
|
||||
* @author Fredrik Osterlind
|
||||
*/
|
||||
@ClassDescription("Packet Radio")
|
||||
public abstract class Radio extends MoteInterface {
|
||||
|
||||
/**
|
||||
* This radio has not sent anything last tick.
|
||||
* Events that radios should notify observers about.
|
||||
*/
|
||||
public static final int SENT_NOTHING = 1;
|
||||
public enum RadioEvent {
|
||||
UNKNOWN,
|
||||
HW_OFF, HW_ON,
|
||||
RECEPTION_STARTED, RECEPTION_INTERFERED, RECEPTION_FINISHED,
|
||||
TRANSMISSION_STARTED, TRANSMISSION_FINISHED
|
||||
}
|
||||
|
||||
/**
|
||||
* This radio has sent something last tick.
|
||||
* Returns last significant event at this radio. Method may for example be
|
||||
* used to learn the reason when a radio notifies a change to observers.
|
||||
*
|
||||
* @return Last radio event
|
||||
*/
|
||||
public static final int SENT_SOMETHING = 2;
|
||||
public abstract RadioEvent getLastEvent();
|
||||
|
||||
/**
|
||||
* This radio is not hearing anything.
|
||||
* @return Last packet data transmitted, or currently being transmitted, from
|
||||
* this radio.
|
||||
*/
|
||||
public static final int HEARS_NOTHING = 1;
|
||||
public abstract byte[] getLastPacketTransmitted();
|
||||
|
||||
/**
|
||||
* This radio is hearing exactly one packet right now.
|
||||
*/
|
||||
public static final int HEARS_PACKET = 2;
|
||||
|
||||
/**
|
||||
* This radio is hearing a lot of noise right now (may be several packets).
|
||||
*/
|
||||
public static final int HEARS_NOISE = 3;
|
||||
|
||||
/**
|
||||
* @return Last packet data sent from this radio.
|
||||
*/
|
||||
public abstract byte[] getLastPacketSent();
|
||||
|
||||
/**
|
||||
* @return Last packet data received by this radio.
|
||||
* @return Last packet data received, or currently being received, by this
|
||||
* radio.
|
||||
*/
|
||||
public abstract byte[] getLastPacketReceived();
|
||||
|
||||
/**
|
||||
* Send given packet data to this radio. The radio may or may not receive the
|
||||
* data correctly depending on the current listen state.
|
||||
* Receive given packet in given time. If reception is not interfered during
|
||||
* this time, the packet will be delivered ok.
|
||||
*
|
||||
* @param data
|
||||
* Packet data
|
||||
* @param endTime
|
||||
* Time (ms) when reception is finished
|
||||
*/
|
||||
public abstract void receivePacket(byte[] data);
|
||||
public abstract void receivePacket(byte[] data, int endTime);
|
||||
|
||||
/**
|
||||
* @return Current send state
|
||||
* @see #SENT_NOTHING
|
||||
* @see #SENT_SOMETHING
|
||||
* Returns true if this radio is transmitting, or just finished transmitting,
|
||||
* data.
|
||||
*
|
||||
* @see #getLastPacketTransmitted()
|
||||
* @return True if radio is transmitting data
|
||||
*/
|
||||
public abstract int getSendState();
|
||||
public abstract boolean isTransmitting();
|
||||
|
||||
/**
|
||||
* @return Current listen state
|
||||
*
|
||||
* @see #setListenState(int)
|
||||
* @see #HEARS_NOTHING
|
||||
* @see #HEARS_PACKET
|
||||
* @see #HEARS_NOISE
|
||||
* @return Transmission end time if any transmission active
|
||||
*/
|
||||
public abstract int getListenState();
|
||||
|
||||
public abstract int getTransmissionEndTime();
|
||||
|
||||
/**
|
||||
* Changes listen state to given state
|
||||
* @param newState
|
||||
* New listen state
|
||||
*
|
||||
* @see #getListenState()
|
||||
* @see #HEARS_NOTHING
|
||||
* @see #HEARS_PACKET
|
||||
* @see #HEARS_NOISE
|
||||
*/
|
||||
public abstract void setListenState(int newState);
|
||||
|
||||
/**
|
||||
* Advances listen state one step. If listen state was 'hears nothing', it
|
||||
* will become 'hears packet'. If it was 'hears packet', it will become 'hears
|
||||
* noise'. If it was 'hears noise', it will stay that way.
|
||||
* Returns true if this radio is receiving data.
|
||||
*
|
||||
* @see #getListenState()
|
||||
* @see #getLastPacketReceived()
|
||||
* @return True if radio is receiving data
|
||||
*/
|
||||
public abstract void advanceListenState();
|
||||
public abstract boolean isReceiving();
|
||||
|
||||
/**
|
||||
* If any packet has been received but not yet taken care of, this packet will
|
||||
* be removed. This method can be used to simulate significant interference
|
||||
* during transmissions.
|
||||
*/
|
||||
public abstract void interferReception();
|
||||
|
||||
/**
|
||||
* @return Current surrounding signal strength
|
||||
*/
|
||||
public abstract double getCurrentSignalStrength();
|
||||
|
||||
/**
|
||||
* Sets surrounding signal strength.
|
||||
*
|
||||
* @param signalStrength
|
||||
* Current surrounding signal strength
|
||||
*/
|
||||
public abstract void setCurrentSignalStrength(double signalStrength);
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue