Fix rxrssi when rcin.rssi is 255 (invalid/unknown) (#3372)

ArduPilot · Jul 30, 2024 · e900cb1 · e900cb1
1 parent 36e6b3c
commit e900cb1
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/ExtLibs/ArduPilot/CurrentState.cs b/ExtLibs/ArduPilot/CurrentState.cs
@@ -3411,8 +3411,11 @@ private void Parent_OnPacketReceived(object sender, MAVLink.MAVLinkMessage mavLi
                             ch15in = rcin.chan15_raw;
                             ch16in = rcin.chan16_raw;
 
-                            //percent
-                            rxrssi = (int)(rcin.rssi / 255.0 * 100.0);
+                            // As per mavlink, rcin.rssi is 0-254, 0 being the worst and 254 being the best and 255 invalid/unknown
+                            // get the percentage
+                            rxrssi = (int)(rcin.rssi / 254.0 * 100.0);
+                            // if invalid, set to 0
+                            if (rcin.rssi == 255) rxrssi = 0;
 
                             //MAVLink.packets[(byte)MAVLink.MSG_NAMES.RC_CHANNELS_RAW);
                         }