altoslib: Make cal_data private in AltosDataListener

This way we can create it as needed.

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

1 files changed, 4 insertions, 2 deletions

diff --git a/altoslib/AltosTelemetryMegaSensor.java b/altoslib/AltosTelemetryMegaSensor.java
index efcc3ccb..4c64b554 100644
--- a/altoslib/AltosTelemetryMegaSensor.java
+++ b/altoslib/AltosTelemetryMegaSensor.java
@@ -41,8 +41,10 @@ public class AltosTelemetryMegaSensor extends AltosTelemetryStandard {
 		super(bytes);
 	}
 
-	public void provide_data(AltosDataListener listener, AltosCalData cal_data) {
-		super.provide_data(listener, cal_data);
+	public void provide_data(AltosDataListener listener) {
+		super.provide_data(listener);
+
+		AltosCalData cal_data = listener.cal_data();
 
 		listener.set_acceleration(cal_data.acceleration(accel()));
 		listener.set_pressure(pres());