X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altosdroid%2Fapp%2Fsrc%2Fmain%2Fjava%2Forg%2Faltusmetrum%2FAltosDroid%2FTelemetryReader.java;fp=altosdroid%2Fapp%2Fsrc%2Fmain%2Fjava%2Forg%2Faltusmetrum%2FAltosDroid%2FTelemetryReader.java;h=5cfa647bd5b4bf7fec78695f541ad7c678e674db;hp=0000000000000000000000000000000000000000;hb=8b53f860eb3171cd43e4bd0e440f2889bd810662;hpb=4a257455b2dc57069c41e1845daf66239c5cbe1d

diff --git a/altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/TelemetryReader.java b/altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/TelemetryReader.java
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+++ b/altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/TelemetryReader.java
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+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ * Copyright © 2012 Mike Beattie <mike@ethernal.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+
+package org.altusmetrum.AltosDroid;
+
+import java.text.*;
+import java.io.*;
+import java.util.*;
+import java.util.concurrent.*;
+import android.os.Handler;
+
+import org.altusmetrum.altoslib_13.*;
+
+
+public class TelemetryReader extends Thread {
+
+	int         crc_errors;
+
+	Handler     handler;
+
+	AltosLink   link;
+
+	LinkedBlockingQueue<AltosLine> telemQueue;
+
+	public AltosTelemetry read() throws ParseException, AltosCRCException, InterruptedException, IOException {
+		AltosLine l = telemQueue.take();
+		if (l.line == null)
+			throw new IOException("IO error");
+		AltosTelemetry telem = AltosTelemetryLegacy.parse(l.line);
+		return telem;
+	}
+
+	public void close() {
+		link.remove_monitor(telemQueue);
+		link = null;
+		telemQueue.clear();
+		telemQueue = null;
+	}
+
+	public void run() {
+		try {
+			AltosDebug.debug("starting loop");
+			while (telemQueue != null) {
+				try {
+					AltosTelemetry	telem = read();
+					telem.set_frequency(link.frequency);
+					handler.obtainMessage(TelemetryService.MSG_TELEMETRY, telem).sendToTarget();
+				} catch (ParseException pp) {
+					AltosDebug.error("Parse error: %d \"%s\"", pp.getErrorOffset(), pp.getMessage());
+				} catch (AltosCRCException ce) {
+					++crc_errors;
+					handler.obtainMessage(TelemetryService.MSG_CRC_ERROR, new Integer(crc_errors)).sendToTarget();
+				}
+			}
+		} catch (InterruptedException ee) {
+		} catch (IOException ie) {
+			AltosDebug.error("IO exception in telemetry reader");
+			handler.obtainMessage(TelemetryService.MSG_DISCONNECTED, link).sendToTarget();
+		} finally {
+			close();
+		}
+	}
+
+	public TelemetryReader (AltosLink in_link, Handler in_handler) {
+		AltosDebug.debug("connected TelemetryReader create started");
+		link    = in_link;
+		handler = in_handler;
+
+		telemQueue = new LinkedBlockingQueue<AltosLine>();
+		link.add_monitor(telemQueue);
+		link.set_telemetry(AltosLib.ao_telemetry_standard);
+
+		AltosDebug.debug("connected TelemetryReader created");
+	}
+}