From dc9e6ae893ed4c11aedb7cb64f1029bca6f1e117 Mon Sep 17 00:00:00 2001
From: Wessel Nieboer <github@weebl.me>
Date: Fri, 6 Mar 2026 04:09:05 +0100
Subject: [PATCH] Prevent packet errors from growing

---
 src/helpers/radiolib/RadioLibWrappers.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp
index 61944d30..8e9fb558 100644
--- a/src/helpers/radiolib/RadioLibWrappers.cpp
+++ b/src/helpers/radiolib/RadioLibWrappers.cpp
@@ -176,7 +176,10 @@ bool RadioLibWrapper::isChannelActive() {
   if (_threshold == 0) return false;    // interference check is disabled
 
   int16_t result = performChannelScan();
-  // scanChannel() leaves radio in standby — restart RX regardless of result
+  // scanChannel() triggers DIO interrupt (CAD done) which sets STATE_INT_READY
+  // via setFlag() ISR. Clear it before restarting RX so recvRaw() doesn't
+  // try to read a non-existent packet and count a spurious recv error.
+  state = STATE_IDLE;
   startRecv();
   return result != RADIOLIB_CHANNEL_FREE;
 }