From 20f55a4f42d11b2859734bab9db2224cc2e3a6fa Mon Sep 17 00:00:00 2001
From: taco <taco@sly.nu>
Date: Wed, 29 Jul 2026 16:10:15 +1000
Subject: [PATCH] fix unnecessary IRQ clear

---
 src/helpers/radiolib/CustomSX1262.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/helpers/radiolib/CustomSX1262.h b/src/helpers/radiolib/CustomSX1262.h
index 6a7c2144..b4ee6c97 100644
--- a/src/helpers/radiolib/CustomSX1262.h
+++ b/src/helpers/radiolib/CustomSX1262.h
@@ -117,6 +117,12 @@ class CustomSX1262 : public SX1262 {
         _headerSeen = false;
         return false;
       }
+      if (!header && _headerSeen) {
+        // something cleared the header flag, reset our state.
+        _activityAt = 0; _headerSeen = false;
+        return false;
+      }
+
       if (header) {
         if (!_headerSeen) { _headerSeen = true; _activityAt = now; };
         if (now - _activityAt > _maxPayloadMillis) {