Stupid one ...

radio/src/pulses/pxx2.h

@@ -261,19 +261,19 @@ class Pxx2Pulses: public PxxPulses<Pxx2Transport> {
     }
 };
 
-union PXX2Version
+PACK(struct PXX2Version
 {
   uint8_t major;
   uint8_t minor:4;
   uint8_t revision:4;
-};
+});
 
-struct PXX2HardwareInformation
+PACK(struct PXX2HardwareInformation
 {
   uint8_t modelID;
   PXX2Version hwVersion;
   PXX2Version swVersion;
   uint8_t variant;
-};
+});
 
 #endif