From ae4d9cccd0f18904ba2e7c274921546aa605e5a4 Mon Sep 17 00:00:00 2001
From: entr0p1 <1475255+entr0p1@users.noreply.github.com>
Date: Sun, 19 Jul 2026 22:32:20 +1000
Subject: [PATCH] Fix - radio powerOff() inconsistent on some radios (confirmed
 SX1262, SX1268, LLCC68, possibly also LR1110 and LR1121).

From Semtech datasheet for SX1262, SX1268, LLCC68:
"The command SetSleep(...) sets the device in SLEEP mode with the lowest current consumption possible. This command can be sent
only while in STDBY mode "

SX1276 not affected, LR1110 and LR1121 are unclear from the datasheets.

Fixes:
- RadioLibWrapper, CustomSX1262Wrapper: call Standby() before calling Sleep() as
---
 src/helpers/radiolib/CustomSX1262Wrapper.h | 1 +
 src/helpers/radiolib/RadioLibWrappers.h    | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/helpers/radiolib/CustomSX1262Wrapper.h b/src/helpers/radiolib/CustomSX1262Wrapper.h
index 1d103f5790..bb87de2db9 100644
--- a/src/helpers/radiolib/CustomSX1262Wrapper.h
+++ b/src/helpers/radiolib/CustomSX1262Wrapper.h
@@ -35,6 +35,7 @@ class CustomSX1262Wrapper : public RadioLibWrapper {
   }
   uint8_t getSpreadingFactor() const override { return ((CustomSX1262 *)_radio)->spreadingFactor; }
   virtual void powerOff() override {
+    ((CustomSX1262 *)_radio)->standby();
     ((CustomSX1262 *)_radio)->sleep(false);
   }
 
diff --git a/src/helpers/radiolib/RadioLibWrappers.h b/src/helpers/radiolib/RadioLibWrappers.h
index 3091832f11..fdc326c8d2 100644
--- a/src/helpers/radiolib/RadioLibWrappers.h
+++ b/src/helpers/radiolib/RadioLibWrappers.h
@@ -24,7 +24,7 @@ class RadioLibWrapper : public mesh::Radio {
   RadioLibWrapper(PhysicalLayer& radio, mesh::MainBoard& board) : _radio(&radio), _board(&board), _preamble_sf(0) { n_recv = n_sent = 0; }
 
   void begin() override;
-  virtual void powerOff() { _radio->sleep(); }
+  virtual void powerOff() { _radio->standby(); _radio->sleep(); }
   int recvRaw(uint8_t* bytes, int sz) override;
   uint32_t getEstAirtimeFor(int len_bytes) override;
   bool startSendRaw(const uint8_t* bytes, int len) override;