1 files changed, 119 insertions, 0 deletions
diff --git a/altoslib/AltosTelemetryReader.java b/altoslib/AltosTelemetryReader.java
new file mode 100644
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--- /dev/null
+++ b/altoslib/AltosTelemetryReader.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.AltosLib;
+
+import java.lang.*;
+import java.text.*;
+import java.io.*;
+import java.util.concurrent.*;
+
+public class AltosTelemetryReader extends AltosFlightReader {
+	AltosLink	link;
+	AltosLog	log;
+	AltosRecord	previous;
+	double		frequency;
+	int		telemetry;
+
+	LinkedBlockingQueue<AltosLine> telem;
+
+	public AltosRecord read() throws InterruptedException, ParseException, AltosCRCException, IOException {
+		AltosLine l = telem.take();
+		if (l.line == null)
+			throw new IOException("IO error");
+		AltosRecord	next = AltosTelemetry.parse(l.line, previous);
+		previous = next;
+		return next;
+	}
+
+	public void flush() {
+		telem.clear();
+	}
+
+	public void close(boolean interrupted) {
+		link.remove_monitor(telem);
+		log.close();
+		link.close();
+	}
+
+	public void set_frequency(double in_frequency) throws InterruptedException, TimeoutException {
+		frequency = in_frequency;
+		link.set_radio_frequency(frequency);
+	}
+
+	public boolean supports_telemetry(int telemetry) {
+
+		try {
+			/* Version 1.0 or later firmware supports all telemetry formats */
+			if (serial.config_data().compare_version("1.0") >= 0)
+				return true;
+
+			/* Version 0.9 firmware only supports 0.9 telemetry */
+			if (serial.config_data().compare_version("0.9") >= 0) {
+				if (telemetry == Altos.ao_telemetry_0_9)
+					return true;
+				else
+					return false;
+			}
+
+			/* Version 0.8 firmware only supports 0.8 telemetry */
+			if (telemetry == Altos.ao_telemetry_0_8)
+				return true;
+			else
+				return false;
+		} catch (InterruptedException ie) {
+			return true;
+		} catch (TimeoutException te) {
+			return true;
+		}
+	}
+
+	public void save_frequency() {
+		AltosPreferences.set_frequency(link.serial, frequency);
+	}
+
+	public void set_telemetry(int in_telemetry) {
+		telemetry = in_telemetry;
+		link.set_telemetry(telemetry);
+	}
+
+	public void save_telemetry() {
+		AltosPreferences.set_telemetry(link.serial, telemetry);
+	}
+
+	public void set_monitor(boolean monitor) {
+		link.set_monitor(monitor);
+	}
+
+	public File backing_file() {
+		return log.file();
+	}
+
+	public AltosTelemetryReader (AltosLink in_link)
+		throws IOException, InterruptedException, TimeoutException {
+		link = in_link;
+		log = new AltosLog(link);
+		name = link.name;
+		previous = null;
+		telem = new LinkedBlockingQueue<AltosLine>();
+		frequency = AltosPreferences.frequency(link.serial);
+		set_frequency(frequency);
+		telemetry = AltosPreferences.telemetry(link.serial);
+		set_telemetry(telemetry);
+		link.add_monitor(telem);
+	}
+}