diff options
Diffstat (limited to 'altoslib/AltosLink.java')
| -rw-r--r-- | altoslib/AltosLink.java | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/altoslib/AltosLink.java b/altoslib/AltosLink.java index c0031cad..639d2ac7 100644 --- a/altoslib/AltosLink.java +++ b/altoslib/AltosLink.java @@ -427,8 +427,10 @@ public abstract class AltosLink implements Runnable { public void set_callsign(String callsign) { this.callsign = callsign; - printf ("c c %s\n", callsign); - flush_output(); + if (callsign != null) { + printf ("c c %s\n", callsign); + flush_output(); + } } public boolean is_loader() throws InterruptedException { @@ -467,7 +469,7 @@ public abstract class AltosLink implements Runnable { if (telemetry_rate < 0) telemetry_rate = AltosPreferences.telemetry_rate(serial); set_telemetry_rate(telemetry_rate); - if (callsign.equals("")) + if (callsign == null || callsign.equals("")) callsign = AltosPreferences.callsign(); set_callsign(callsign); printf("p\nE 0\n"); |