altosui: Add a 'Graph Flight' button to the 'landed' tab

This lets you see the results of a flight as soon as the rocket lands
using the telemetry data.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/altosui/AltosTelemetryReader.java b/altosui/AltosTelemetryReader.java
index 6abe95d8..1f327a67 100644
--- a/altosui/AltosTelemetryReader.java
+++ b/altosui/AltosTelemetryReader.java
@@ -69,6 +69,10 @@ class AltosTelemetryReader extends AltosFlightReader {
 		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;