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Diffstat (limited to 'altoslib/AltosTelemetryReader.java')
-rw-r--r--altoslib/AltosTelemetryReader.java38
1 files changed, 21 insertions, 17 deletions
diff --git a/altoslib/AltosTelemetryReader.java b/altoslib/AltosTelemetryReader.java
index b4293c73..eeb35cb5 100644
--- a/altoslib/AltosTelemetryReader.java
+++ b/altoslib/AltosTelemetryReader.java
@@ -15,7 +15,7 @@
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib_1;
+package org.altusmetrum.altoslib_2;
import java.text.*;
import java.io.*;
@@ -24,19 +24,23 @@ import java.util.concurrent.*;
public class AltosTelemetryReader extends AltosFlightReader {
AltosLink link;
AltosLog log;
- AltosRecord previous;
double frequency;
int telemetry;
+ AltosState state = null;
LinkedBlockingQueue<AltosLine> telem;
- public AltosRecord read() throws InterruptedException, ParseException, AltosCRCException, IOException {
+ public AltosState 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;
+ AltosTelemetry telem = AltosTelemetry.parse(l.line);
+ if (state == null)
+ state = new AltosState();
+ else
+ state = state.clone();
+ telem.update_state(state);
+ return state;
}
public void flush() {
@@ -44,14 +48,16 @@ public class AltosTelemetryReader extends AltosFlightReader {
}
public void reset() {
- previous = null;
flush();
}
public void close(boolean interrupted) {
link.remove_monitor(telem);
log.close();
- link.close();
+ try {
+ link.close();
+ } catch (InterruptedException ie) {
+ }
}
public void set_frequency(double in_frequency) throws InterruptedException, TimeoutException {
@@ -80,7 +86,7 @@ public class AltosTelemetryReader extends AltosFlightReader {
else
return false;
} catch (InterruptedException ie) {
- return true;
+ return false;
} catch (TimeoutException te) {
return true;
}
@@ -111,29 +117,27 @@ public class AltosTelemetryReader extends AltosFlightReader {
return link.has_monitor_battery();
}
- public double monitor_battery() {
+ public double monitor_battery() throws InterruptedException {
return link.monitor_battery();
}
public AltosTelemetryReader (AltosLink in_link)
throws IOException, InterruptedException, TimeoutException {
link = in_link;
+ boolean success = false;
try {
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);
- } catch (TimeoutException e) {
- close(true);
- throw(e);
- } catch (InterruptedException e) {
- close(true);
- throw(e);
+ success = true;
+ } finally {
+ if (!success)
+ close(true);
}
}
}