X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Faltosui%2FAltosSerial.java;h=03ab28c55376ff635c4c7b964304f0ab7cd1b269;hp=82663eab51d2a5d6711b352b354636538a5ea193;hb=97f4874d19ec05c81a04a3ecd06abffcf7fbfafc;hpb=7f233369e32c3254165ee251df0a3dbc21ea5a29

diff --git a/ao-tools/altosui/AltosSerial.java b/ao-tools/altosui/AltosSerial.java
index 82663eab..03ab28c5 100644
--- a/ao-tools/altosui/AltosSerial.java
+++ b/ao-tools/altosui/AltosSerial.java
@@ -21,18 +21,13 @@
 
 package altosui;
 
-import java.lang.String;
-import java.lang.System;
-import java.lang.Character;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.FileNotFoundException;
+import java.lang.*;
+import java.io.*;
 import java.util.concurrent.LinkedBlockingQueue;
-import java.lang.InterruptedException;
 import java.util.LinkedList;
-import altosui.AltosSerialMonitor;
 import java.util.Iterator;
+import gnu.io.*;
+import altosui.AltosSerialMonitor;
 
 /*
  * This class reads from the serial port and places each received
@@ -40,24 +35,33 @@ import java.util.Iterator;
  * threads.
  */
 class AltosSerialReader implements Runnable {
-	FileInputStream	serial_in;
-	LinkedBlockingQueue<String> monitor_queue;
+	InputStream	serial_in;
+	LinkedList<LinkedBlockingQueue<String>> monitors;
 	LinkedBlockingQueue<String> reply_queue;
+	Thread input_thread;
 	String line;
 
 	public void run () {
 		int c;
 
 		try {
-			while ((c = serial_in.read()) != -1) {
+			for (;;) {
+				c = serial_in.read();
+				if (Thread.interrupted())
+					break;
+				if (c == -1)
+					continue;
 				if (c == '\r')
 					continue;
 				synchronized(this) {
 					if (c == '\n') {
 						if (line != "") {
-							if (line.startsWith("VERSION"))
-								monitor_queue.put(line);
-							else
+							if (line.startsWith("VERSION")) {
+								for (int e = 0; e < monitors.size(); e++) {
+									LinkedBlockingQueue<String> q = monitors.get(e);
+									q.put(line);
+								}
+							} else
 								reply_queue.put(line);
 							line = "";
 						}
@@ -71,20 +75,16 @@ class AltosSerialReader implements Runnable {
 		}
 	}
 
-	public String get_telem() {
-		try {
-			return monitor_queue.take();
-		} catch (InterruptedException e) {
-			return "";
-		}
+	public String get_reply() throws InterruptedException {
+		return reply_queue.take();
 	}
 
-	public String get_reply() {
-		try {
-			return reply_queue.take();
-		} catch (InterruptedException e) {
-			return "";
-		}
+	public void add_monitor(LinkedBlockingQueue<String> q) {
+		monitors.add(q);
+	}
+
+	public void remove_monitor(LinkedBlockingQueue<String> q) {
+		monitors.remove(q);
 	}
 
 	public void flush () {
@@ -94,56 +94,110 @@ class AltosSerialReader implements Runnable {
 			reply_queue.clear();
 		}
 	}
-	public AltosSerialReader (FileInputStream in) {
-		serial_in = in;
-		monitor_queue = new LinkedBlockingQueue<String> ();
-		reply_queue = new LinkedBlockingQueue<String> ();
-		line = "";
-	}
 
-}
+	public boolean opened() {
+		return serial_in != null;
+	}
 
-public class AltosSerial implements Runnable {
-	FileInputStream	serial_in = null;
-	FileOutputStream serial_out = null;
-	AltosSerialReader reader;
-	LinkedList<AltosSerialMonitor> callbacks;
-
-	public void run() {
-		for (;;) {
-			String s = reader.get_reply();
-			synchronized(callbacks) {
-				Iterator<AltosSerialMonitor> i = callbacks.iterator();
-				while (i.hasNext()) {
-					i.next().data(s);
-				}
+	public void close() {
+		if (serial_in != null) {
+			try {
+				serial_in.close();
+			} catch (IOException e) {
+			}
+			serial_in = null;
+		}
+		if (input_thread != null) {
+			try {
+				input_thread.interrupt();
+				input_thread.join();
+			} catch (InterruptedException e) {
 			}
+			input_thread = null;
 		}
 	}
 
-	public void start () {
+	public void open(File name) throws FileNotFoundException {
+		close();
+		serial_in = new FileInputStream(name);
+		input_thread = new Thread(this);
+		input_thread.start();
+	}
+	public void open(CommPort c) throws IOException {
+		close();
 		try {
-			serial_out.write('?');
-			serial_out.write('\r');
-		} catch (IOException e) {
+		c.enableReceiveTimeout(1000);	/* icky. the read method cannot be interrupted */
+		} catch (UnsupportedCommOperationException ee) {
 		}
-		(new Thread(reader)).start();
-		(new Thread(this)).start();
+		serial_in = c.getInputStream();
+		input_thread = new Thread(this);
+		input_thread.start();
 	}
-
-	public void monitor(AltosSerialMonitor monitor) {
-		synchronized(callbacks) {
-			callbacks.add(monitor);
-		}
+	public AltosSerialReader () {
+		serial_in = null;
+		input_thread = null;
+		line = "";
+		monitors = new LinkedList<LinkedBlockingQueue<String>> ();
+		reply_queue = new LinkedBlockingQueue<String> ();
 	}
 
-	public AltosSerial(String serial_name) {
+}
+
+public class AltosSerial {
+	OutputStream serial_out = null;
+	AltosSerialReader reader = null;
+
+	CommPort comm_port = null;
+
+	public void close() {
 		try {
-			serial_in = new FileInputStream(serial_name);
-			serial_out = new FileOutputStream(serial_name);
-			reader = new AltosSerialReader(serial_in);
-			callbacks = new LinkedList<AltosSerialMonitor>();
-		} catch (FileNotFoundException e) {
+			serial_out.close();
+		} catch (IOException ee) {
+		}
+		reader.close();
+		if (comm_port != null) {
+			comm_port.close();
 		}
 	}
+
+	public void open(File serial_name) throws FileNotFoundException {
+		reader.open(serial_name);
+		serial_out = new FileOutputStream(serial_name);
+	}
+
+	public void open(CommPort c) throws IOException {
+		reader.open(c);
+		serial_out = c.getOutputStream();
+	}
+
+	public void connect(String port_name) throws IOException, NoSuchPortException, PortInUseException {
+		comm_port = new RXTXPort(port_name);
+		open(comm_port);
+	}
+
+	void init() {
+		reader = new AltosSerialReader();
+	}
+
+	public void add_monitor(LinkedBlockingQueue<String> q) {
+		reader.add_monitor(q);
+	}
+
+	public void remove_monitor(LinkedBlockingQueue<String> q) {
+		reader.remove_monitor(q);
+	}
+
+	public AltosSerial() {
+		init();
+	}
+
+	public AltosSerial(File serial_name) throws FileNotFoundException {
+		init();
+		open(serial_name);
+	}
+
+	public AltosSerial(CommPort comm_port) throws IOException {
+		init();
+		open(comm_port);
+	}
 }