fix Heltec boards

lib/loraboards/LoRaBoards.cpp

@@ -8,6 +8,8 @@
  *
  */
 
+#ifdef LILYGO
+
 #include "LoRaBoards.h"
 
 #if defined(HAS_SDCARD)
@@ -927,3 +929,4 @@ bool beginGPS()
     return result;
 }
 #endif
+#endif // #ifdef LILYGO

lib/loraboards/utilities.h

@@ -486,6 +486,8 @@
 
 #define USING_DIO2_AS_RF_SWITCH
 
+#elif defined(HELTEC)
+// just to prevent error
 #elif defined(T_BEAM_S3_BPF)
 
 #ifndef USING_SX1278

lib/scan/scan.h

@@ -27,6 +27,9 @@ constexpr float LO_RSSI_THRESHOLD = HI_RSSI_THRESHOLD - 66;
 
 // number of samples for RSSI method
 #define SAMPLES_RSSI 12 // 21 //
+#ifdef USING_SX1280PA
+#define SAMPLES_RSSI 20
+#endif
 
 struct Scan
 {