preparing for decode from soundcard

damico · Oct 21, 2023 · 28141d9 · 28141d9
1 parent ba65c1d
commit 28141d9
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Showing 3 changed files with 101 additions and 24 deletions.
diff --git a/java-land/.project b/java-land/.project
diff --git a/pom.xml b/pom.xml
@@ -33,4 +33,45 @@
 
 
 	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>rtl433toaprs</id>
+						<phase>package</phase>
+						<goals>
+							<goal>single</goal>
+						</goals>
+						<configuration>
+							<archive>
+								<manifest>
+									<mainClass>
+										org.jdamico.javax25.App
+									</mainClass>
+								</manifest>
+
+								<manifestEntries>
+									<Implementation-Vendor>Jose Damico (PU2LVM)</Implementation-Vendor>
+									<Implementation-Version>${project.version}</Implementation-Version>
+								</manifestEntries>
+
+							</archive>
+							<descriptorRefs>
+								<descriptorRef>jar-with-dependencies</descriptorRef>
+							</descriptorRefs>
+						</configuration>
+					</execution>
+
+
+
+				</executions>
+			</plugin>
+
+
+		</plugins>
+	</build>
 </project>
diff --git a/src/main/java/org/jdamico/javax25/App.java b/src/main/java/org/jdamico/javax25/App.java
@@ -1,5 +1,18 @@
 package org.jdamico.javax25;
 
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.util.Properties;
+
+import org.jdamico.javax25.ax25.Afsk1200Modulator;
+import org.jdamico.javax25.ax25.Afsk1200MultiDemodulator;
+import org.jdamico.javax25.ax25.Packet;
+import org.jdamico.javax25.ax25.PacketDemodulator;
+import org.jdamico.javax25.radiocontrol.SerialTransmitController;
+import org.jdamico.javax25.radiocontrol.TransmitController;
+import org.jdamico.javax25.soundcard.Soundcard;
+
 /**
  * Hello world!
  *
@@ -8,6 +21,52 @@ public class App
 {
     public static void main( String[] args )
     {
-        System.out.println( "Hello World!" );
+    	Soundcard.enumerate();
+		SerialTransmitController.enumerate();
+
+		Properties p = System.getProperties();
+
+		int rate = 48000;
+		int filter_length = 32;
+
+		PacketHandlerImpl t = new PacketHandlerImpl();
+		Afsk1200Modulator mod = null;
+		PacketDemodulator multi = null;
+		try {
+			multi = new Afsk1200MultiDemodulator(rate,t);
+			mod = new Afsk1200Modulator(rate);
+		} catch (Exception e) {
+			System.out.println("Exception trying to create an Afsk1200 object: "+e.getMessage());
+		}
+
+
+		/*** preparing to generate or capture audio packets ***/
+
+		String input = null;
+		String output = "PulseAudio Mixer";
+
+		int buffer_size = -1;
+		try {
+			// our default is 100ms
+			buffer_size = Integer.parseInt(p.getProperty("latency", "100").trim());
+		} catch (Exception e){
+			System.err.println("Exception parsing buffersize "+e.toString());
+		}
+
+		Soundcard sc = new Soundcard(rate,input,output,buffer_size,multi,mod);
+
+		if (p.containsKey("audio-level")) {
+			sc.displayAudioLevel();
+		}
+
+
+		/*** listen for incoming packets ***/
+
+		if (input != null) {
+		  System.out.printf("Listening for packets\n");
+  		//sc.openSoundInput(input);			
+	    sc.receive();
+		}
+
     }
 }