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Stephan Richter
2023-10-19 15:05:03 +02:00
commit 4baa7be05c
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
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.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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# Default ignored files
/shelf/
/workspace.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>ArtDMX</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>2.0.9</version>
</dependency>
</dependencies>
<properties>
<maven.compiler.source>17</maven.compiler.source>
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src/main/java/de/srsoftware/artdmx/ArtNetLib.java Normal file
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package de.srsoftware.artdmx;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
/**
* ArtNet Class
* @author: Mirco Borella
*/
public class ArtNetLib {
private DatagramSocket socket;
private String socketIp;
/**
* Constructor with ip
* @param socketIp Ip address of the socket
*/
public ArtNetLib(String socketIp){
this.socketIp = socketIp;
try {
socket = new DatagramSocket();
} catch (Exception e) {
System.out.println("Exception in constructor: " + e);
}
}
/**
* Send a ArtDmx packet in a universe, subnet and net given.
* @param dmxChannelData Dmx data array. ArraySize=512, ArrayType=byte, ArrayValue=(0-255)
* @param universe Universe in which send the packets. (Values from 0 to 15)
* @param subnet Subnet in which send the packets. (Values from 0 to 15)
* @param net Net in which send the packets. (Values from 0 to 15)
*/
public void sendArtDmxPacket(byte[] dmxChannelData, byte universe, byte subnet, byte net){
//Name: Size: Bytes: Bits:
//Id[8] Int8 8 64
char[] idChars = {'A', 'r', 't', '-', 'N', 'e', 't', 0x00};
byte[] id = new byte[8];
for (int i = 0; i < id.length; i++) {
id[i] = (byte)idChars[i];
}
//Name: Size: Bytes: Bits:
//OpCode Int16 2 16
//Choosen OpCode: OpDmx=0x5000;
//Notation: Little-endian
byte[] opCode = {(byte)0, (byte)80};
//Name: Size: Bytes: Bits:
//ProtVerHi Int8 1 8
byte protVerHi = 0;
//Name: Size: Bytes: Bits:
//ProtVerLow Int8 1 8
byte protVerLow = 14;
//Name: Size: Bytes: Bits:
//Sequence Int8 1 8
byte sequence = 0;
//Name: Size: Bytes: Bits:
//Physical Int8 1 8
byte physical = 0;
//Name: Size: Bytes: Bits:
//SubUni Int8 1 8
//Most significant 4 bit- > Subnet
//Least significant 4 bit -> Universe
//Values accepted: 0-15
subnet = (byte) (subnet << 4);
byte subUni = (byte) (subnet + universe);
//Name: Size: Bytes: Bits:
//Net Int8 1 8
//Values accepted: 0-127
byte pNet = net;
//Name: Size: Bytes: Bits:
//LengthHi Int8 1 8
byte lengthHi = 2;
//Name: Size: Bytes: Bits:
//Lenght Int8 1 8
byte length = 0;
//Name: Size: Bytes: Bits:
//Data Int8 512 4096
byte[] data = dmxChannelData;
//Preparing the byte array
byte[] byteToSend = new byte[530];
for (int i = 0; i < id.length; i++) {
byteToSend[i] = id[i];
}
byteToSend[8] = opCode[0];
byteToSend[9] = opCode[1];
byteToSend[10] = protVerHi;
byteToSend[11] = protVerLow;
byteToSend[12] = sequence;
byteToSend[13] = physical;
byteToSend[14] = subUni;
byteToSend[15] = pNet;
byteToSend[16] = lengthHi;
byteToSend[17] = length;
for (int i = 18; i < byteToSend.length; i++) {
byteToSend[i] = data[i-18];
}
//Sending the packet
try {
DatagramPacket dgram = new DatagramPacket(byteToSend, byteToSend.length, InetAddress.getByName(socketIp), 6454);
socket.send(dgram);
} catch (Exception e) {
System.out.println("Exception at packet sending: " + e);
}
}
}

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src/main/java/de/srsoftware/artdmx/Light.java Normal file
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package de.srsoftware.artdmx;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Random;
public class Light implements Runnable{
private static final Logger LOG = LoggerFactory.getLogger(Light.class);
private final byte chn;
private static final int min = 4;
private static final int max = 128;
private static final Random RAND = new Random();
private final Universe uni;
public Light(Universe universe, byte channel) {
LOG.info("creating Light {}",channel);
chn = channel;
uni = universe;
}
@Override
public void run() {
LOG.info("started light {}",chn);
while (true){
try {
long time = 1000+RAND.nextInt(30000);
LOG.info("light {} sleeping for {}s",chn,time/1000d);
Thread.sleep(time);
} catch (InterruptedException e) {
break;
}
for (int bright = min; bright < max; bright++) {
uni.send(chn,(byte)bright);
sleep();
}
for (int bright = max; bright > min; bright--) {
uni.send(chn,(byte)bright);
sleep();
}
}
}
private static void sleep(){
try {
Thread.sleep(33);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
}

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src/main/java/de/srsoftware/artdmx/Main.java Normal file
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package de.srsoftware.artdmx;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Main {
private static final Logger LOG = LoggerFactory.getLogger("ArtDmx");
public static void main(String[] args) {
byte lights = 8;
var universe = new Universe("192.168.1.255",(byte)1);
startLights(lights,universe);
}
private static void startLights(byte lights, Universe universe) {
LOG.info("Setting up {} lights…",lights);
for (byte i = 0; i<lights; i++){
startLight(i,universe);
}
}
private static void startLight(byte channel, Universe universe) {
var light = new Light(universe,channel);
new Thread(light).start();
}
}

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src/main/java/de/srsoftware/artdmx/Universe.java Normal file
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package de.srsoftware.artdmx;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Universe extends ArtNetLib{
private static final Logger LOG = LoggerFactory.getLogger(Universe.class);
private final byte[] data;
private final byte univ;
public Universe(String socketIp, byte universe) {
super(socketIp);
LOG.info("created universe {}",universe);
data = new byte[512];
univ = universe;
}
public synchronized void send(byte channel, byte val){
LOG.info("sending {} on channel {}",val,channel);
data[channel] = val;
sendArtDmxPacket(data,univ,(byte)0,(byte)0);
}
}