From fde20d37d035d1e0a7201bed23cc8cdf676ff7f3 Mon Sep 17 00:00:00 2001
From: Kevin Le <vinhdat82@gmail.com>
Date: Mon, 31 Aug 2026 17:17:15 +0700
Subject: [PATCH] Added heltec_tracker_v2_companion_radio_usb_femoff and
 heltec_tracker_v2_companion_radio_usb_femon

---
 variants/heltec_tracker_v2/HeltecTrackerV2Board.cpp |  6 ++++++
 variants/heltec_tracker_v2/platformio.ini           | 12 ++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/variants/heltec_tracker_v2/HeltecTrackerV2Board.cpp b/variants/heltec_tracker_v2/HeltecTrackerV2Board.cpp
index 99b1cdfe..bb3993b4 100644
--- a/variants/heltec_tracker_v2/HeltecTrackerV2Board.cpp
+++ b/variants/heltec_tracker_v2/HeltecTrackerV2Board.cpp
@@ -63,6 +63,12 @@ void HeltecTrackerV2Board::begin() {
   }
 
   bool HeltecTrackerV2Board::setLoRaFemLnaEnabled(bool enable) {
+#if defined(RADIO_FEM_RXGAIN) && (RADIO_FEM_RXGAIN == 0)
+    enable = false;
+#elif defined(RADIO_FEM_RXGAIN) && (RADIO_FEM_RXGAIN == 1)
+    enable = true;
+#endif
+
     if (!loRaFEMControl.isLnaCanControl()) {
       return false;
     }
diff --git a/variants/heltec_tracker_v2/platformio.ini b/variants/heltec_tracker_v2/platformio.ini
index d040b72f..5e277649 100644
--- a/variants/heltec_tracker_v2/platformio.ini
+++ b/variants/heltec_tracker_v2/platformio.ini
@@ -152,6 +152,18 @@ lib_deps =
   ${Heltec_tracker_v2.lib_deps}
   densaugeo/base64 @ ~1.4.0
 
+[env:heltec_tracker_v2_companion_radio_usb_femoff]
+extends = env:heltec_tracker_v2_companion_radio_usb
+build_flags =
+  ${env:heltec_tracker_v2_companion_radio_usb.build_flags}
+  -D RADIO_FEM_RXGAIN=0 ; undefined (default on), 1=on, 0=off
+
+[env:heltec_tracker_v2_companion_radio_usb_femon]
+extends = env:heltec_tracker_v2_companion_radio_usb
+build_flags =
+  ${env:heltec_tracker_v2_companion_radio_usb.build_flags}
+  -D RADIO_FEM_RXGAIN=1 ; undefined (default on), 1=on, 0=off
+
 [env:heltec_tracker_v2_companion_radio_ble]
 extends = Heltec_tracker_v2
 build_flags =