From 967591d63c9c755cd2fd8a7a5ba2dd45f8ce8648 Mon Sep 17 00:00:00 2001
From: radmir <39234121+mrrdmr@users.noreply.github.com>
Date: Mon, 18 May 2026 11:50:11 +0300
Subject: [PATCH] Custom LR1121 radiolib helper

from https://github.com/BetaFloof/MeshCore/tree/lilygo_t3s3_LR1121
---
 src/helpers/radiolib/CustomLR1121.h        | 25 ++++++++++++++++
 src/helpers/radiolib/CustomLR1121Wrapper.h | 34 ++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 src/helpers/radiolib/CustomLR1121.h
 create mode 100644 src/helpers/radiolib/CustomLR1121Wrapper.h

diff --git a/src/helpers/radiolib/CustomLR1121.h b/src/helpers/radiolib/CustomLR1121.h
new file mode 100644
index 000000000..650ae9eff
--- /dev/null
+++ b/src/helpers/radiolib/CustomLR1121.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <RadioLib.h>
+#include "MeshCore.h"
+
+class CustomLR1121 : public LR1121 {
+  bool _rx_boosted = false;
+  public:
+    CustomLR1121(Module *mod) : LR1121(mod) { }
+
+    float getFreqMHz() const { return freqMHz; }
+
+    int16_t setRxBoostedGainMode(bool en) {
+      _rx_boosted = en;
+      return LR1121::setRxBoostedGainMode(en);
+    }
+
+    bool getRxBoostedGainMode() const { return _rx_boosted; }
+
+    bool isReceiving() {
+      uint16_t irq = getIrqStatus();
+      bool detected = ((irq & RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID) || (irq & RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED));
+      return detected;
+    }
+};
\ No newline at end of file
diff --git a/src/helpers/radiolib/CustomLR1121Wrapper.h b/src/helpers/radiolib/CustomLR1121Wrapper.h
new file mode 100644
index 000000000..b2dec7c04
--- /dev/null
+++ b/src/helpers/radiolib/CustomLR1121Wrapper.h
@@ -0,0 +1,34 @@
+#pragma once
+
+#include "CustomLR1121.h"
+#include "RadioLibWrappers.h"
+#include "LR11x0Reset.h"
+
+class CustomLR1121Wrapper : public RadioLibWrapper {
+public:
+  CustomLR1121Wrapper(CustomLR1121& radio, mesh::MainBoard& board) : RadioLibWrapper(radio, board) { }
+  void doResetAGC() override { lr11x0ResetAGC((LR11x0 *)_radio, ((CustomLR1121 *)_radio)->getFreqMHz()); }
+  bool isReceivingPacket() override { 
+    return ((CustomLR1121 *)_radio)->isReceiving();
+  }
+  float getCurrentRSSI() override {
+    float rssi = -110;
+    ((CustomLR1121 *)_radio)->getRssiInst(&rssi);
+    return rssi;
+  }
+
+  void onSendFinished() override {
+    RadioLibWrapper::onSendFinished();
+    _radio->setPreambleLength(16); // overcomes weird issues with small and big pkts
+  }
+
+  float getLastRSSI() const override { return ((CustomLR1121 *)_radio)->getRSSI(); }
+  float getLastSNR() const override { return ((CustomLR1121 *)_radio)->getSNR(); }
+  
+  void setRxBoostedGainMode(bool en) override {
+    ((CustomLR1121 *)_radio)->setRxBoostedGainMode(en);
+  }
+  bool getRxBoostedGainMode() const override {
+    return ((CustomLR1121 *)_radio)->getRxBoostedGainMode();
+  }
+};
\ No newline at end of file