122 lines
3.2 KiB
Java
122 lines
3.2 KiB
Java
/*
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* This file is part of artnet4j.
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*
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* Copyright 2009 Karsten Schmidt (PostSpectacular Ltd.)
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*
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* artnet4j is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* artnet4j is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with artnet4j. If not, see <http://www.gnu.org/licenses/>.
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*/
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package de.ctdo.bunti.artnet.packets;
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public class ArtDmxPacket extends ArtNetPacket {
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private int numChannels;
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private int sequenceID;
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private int subnetID;
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private int universeID;
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public ArtDmxPacket() {
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super(PacketType.ART_OUTPUT);
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setData(new byte[530]);
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setHeader();
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setProtocol();
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getData().setInt8(0x02, 13);
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}
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/**
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* @return the actual packet size used. If an odd number DMX channels is
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* used, the packet size is made even automatically.
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*
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* @see ArtNetPacket#getLength()
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*/
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@Override
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public final int getLength() {
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return 18 + (1 == numChannels % 2 ? numChannels + 1 : numChannels);
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}
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/**
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* @return the number of DMX channels
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*/
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public final int getNumChannels() {
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return numChannels;
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}
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/**
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* @return the sequenceID
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*/
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public final int getSequenceID() {
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return sequenceID;
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}
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/**
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* @return the subnetID
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*/
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public final int getSubnetID() {
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return subnetID;
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}
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/**
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* @return the universeID
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*/
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public final int getUniverseID() {
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return universeID;
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}
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@Override
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public final boolean parse(byte[] raw) {
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return false;
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}
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public final void setDMX(byte[] dmxData, int numChannels) {
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this.numChannels = numChannels;
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getData().setByteChunk(dmxData, 18, numChannels);
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getData().setInt16((1 == numChannels % 2 ? numChannels + 1 : numChannels),
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16);
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}
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/**
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* @param numChannels
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* the number of DMX channels to set
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*/
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public final void setNumChannels(int numChannels) {
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this.numChannels = numChannels > 512 ? 512 : numChannels;
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}
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public final void setSequenceID(int id) {
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sequenceID = id % 0xff;
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getData().setInt8(id, 12);
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}
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/**
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* @param subnetID
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* the subnetID to set
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*/
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public final void setSubnetID(int subnetID) {
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this.subnetID = subnetID & 0x0f;
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}
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public final void setUniverse(int subnetID, int universeID) {
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this.subnetID = subnetID & 0x0f;
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this.universeID = universeID & 0x0f;
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getData().setInt16LE(subnetID << 4 | universeID, 14);
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}
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/**
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* @param universeID
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* the universeID to set
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*/
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public final void setUniverseID(int universeID) {
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this.universeID = universeID & 0x0f;
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}
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} |