altosui: Complete split out of separate java library

[fw/altos] / altosui / AltosTelemetryReader.java

diff --git a/altosui/AltosTelemetryReader.java b/altosui/AltosTelemetryReader.java
new file mode 100644 (file)
index 0000000..dc7e4a7
--- /dev/null
+++ b/altosui/AltosTelemetryReader.java
@@ -0,0 +1,120 @@
+/*
+ * 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 altosui;
+
+import java.lang.*;
+import java.text.*;
+import java.io.*;
+import java.util.concurrent.*;
+import org.altusmetrum.AltosLib.*;
+
+class AltosTelemetryReader extends AltosFlightReader {
+       AltosDevice     device;
+       AltosSerial     serial;
+       AltosLog        log;
+       AltosRecord     previous;
+       double          frequency;
+       int             telemetry;
+
+       LinkedBlockingQueue<AltosLine> telem;
+
+       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;
+       }
+
+       void flush() {
+               telem.clear();
+       }
+
+       void close(boolean interrupted) {
+               serial.remove_monitor(telem);
+               log.close();
+               serial.close();
+       }
+
+       public void set_frequency(double in_frequency) throws InterruptedException, TimeoutException {
+               frequency = in_frequency;
+               serial.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;
+               }
+       }
+
+       void save_frequency() {
+               AltosPreferences.set_frequency(device.getSerial(), frequency);
+       }
+
+       void set_telemetry(int in_telemetry) {
+               telemetry = in_telemetry;
+               serial.set_telemetry(telemetry);
+       }
+
+       void save_telemetry() {
+               AltosPreferences.set_telemetry(device.getSerial(), telemetry);
+       }
+
+       File backing_file() {
+               return log.file();
+       }
+
+       public AltosTelemetryReader (AltosDevice in_device)
+               throws FileNotFoundException, AltosSerialInUseException, IOException, InterruptedException, TimeoutException {
+               device = in_device;
+               serial = new AltosSerial(device);
+               log = new AltosLog(serial);
+               name = device.toShortString();
+               previous = null;
+
+               telem = new LinkedBlockingQueue<AltosLine>();
+               frequency = AltosPreferences.frequency(device.getSerial());
+               set_frequency(frequency);
+               telemetry = AltosPreferences.telemetry(device.getSerial());
+               set_telemetry(telemetry);
+               serial.set_callsign(AltosUIPreferences.callsign());
+               serial.add_monitor(telem);
+       }
+}