[Pulses] PXX2 Probe warning

radio/src/targets/horus/board.cpp

@@ -182,9 +182,6 @@ void boardInit()
   pwrInit();
   delaysInit();
 
-  // FrSky removed the volume chip in latest board, that's why it doesn't answer!
-  // i2cInit();
-
 #if defined(DEBUG)
   serial2Init(0, 0); // default serial mode (None if DEBUG not defined)
 #endif
@@ -194,6 +191,11 @@ void boardInit()
   TRACE("\nHorus board started :)");
   TRACE("RCC->CSR = %08x", RCC->CSR);
 
+#if defined(PXX2)
+  #warning "PXX2 probe is not implemented"
+  hardwareOptions.pxx2Enabled = true;
+#endif
+
   audioInit();
 
   // we need to initialize g_FATFS_Obj here, because it is in .ram section (because of DMA access)