From 9106ab46e1a05103c244ab6dd981d5cfdd3fbccd Mon Sep 17 00:00:00 2001
From: Wessel Nieboer <wessel@weebl.me>
Date: Thu, 19 Feb 2026 16:52:57 +0100
Subject: [PATCH] reset noise_floor sampling after agc reset

---
 src/helpers/radiolib/RadioLibWrappers.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp
index 53a4b0a2..2216ca8f 100644
--- a/src/helpers/radiolib/RadioLibWrappers.cpp
+++ b/src/helpers/radiolib/RadioLibWrappers.cpp
@@ -63,6 +63,14 @@ void RadioLibWrapper::resetAGC() {
 
   doResetAGC();
   state = STATE_IDLE;   // trigger a startReceive()
+
+  // Reset noise floor sampling so it reconverges from scratch.
+  // Without this, a stuck _noise_floor of -120 makes the sampling threshold
+  // too low (-106) to accept normal samples (~-105), self-reinforcing the
+  // stuck value even after the receiver has recovered.
+  _noise_floor = 0;
+  _num_floor_samples = 0;
+  _floor_sample_sum = 0;
 }
 
 void RadioLibWrapper::loop() {