From ea5d7c8bf5b93b25ecb718b3654a3736a483308b Mon Sep 17 00:00:00 2001
From: taco <taco@sly.nu>
Date: Sat, 25 Jul 2026 00:46:36 +1000
Subject: [PATCH] LR1110: add PREAMBLE_DETECTED to reported irq flags

---
 src/helpers/radiolib/CustomLR1110.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/helpers/radiolib/CustomLR1110.h b/src/helpers/radiolib/CustomLR1110.h
index 0470e48f..20aea9ff 100644
--- a/src/helpers/radiolib/CustomLR1110.h
+++ b/src/helpers/radiolib/CustomLR1110.h
@@ -35,6 +35,11 @@ class CustomLR1110 : public LR1110 {
 
     bool getRxBoostedGainMode() const { return _rx_boosted; }
 
+    int16_t startReceive() override {
+      // include the PREAMBLE_DETECTED irq bit in reported flags
+      return LR1110::startReceive(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED, RADIOLIB_IRQ_RX_DEFAULT_FLAGS | (1UL << RADIOLIB_IRQ_PREAMBLE_DETECTED), RADIOLIB_IRQ_RX_DEFAULT_MASK, 0);
+    }
+
     bool isReceiving() {
       uint32_t irq = getIrqStatus();
       bool preamble = irq & RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED;      // bit 4