From fbccf910d40cd652d5ff282d7c2a525d6c876ec6 Mon Sep 17 00:00:00 2001
From: Jonathan Bennett <jbennett@incomsystems.biz>
Date: Thu, 30 Apr 2026 16:03:35 -0500
Subject: [PATCH] and fix it on esp32 again

---
 src/mesh/SerialHalDevice.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mesh/SerialHalDevice.cpp b/src/mesh/SerialHalDevice.cpp
index 813aebd4e..c8176a84f 100644
--- a/src/mesh/SerialHalDevice.cpp
+++ b/src/mesh/SerialHalDevice.cpp
@@ -334,7 +334,11 @@ void SerialHalDevice::handleSpiTransfer(const meshtastic_SerialHalCommand &cmd,
     {
         concurrency::LockGuard guard(spiLock);
         spiBus.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));
+#ifdef ARCH_ESP32
+        spiBus.transferBytes(cmd.data.bytes, response.data.bytes, cmd.data.size);
+#else
         spiBus.transfer(cmd.data.bytes, response.data.bytes, cmd.data.size);
+#endif
         spiBus.endTransaction();
     }
 #else