From 9a08f2df6330043445d5045b0f703fbc9030619b Mon Sep 17 00:00:00 2001
From: Harald Barth <haba@kth.se>
Date: Thu, 29 Aug 2024 13:41:37 +0200
Subject: [PATCH] ESP32: Make Serial2 possible for commands

---
 SerialManager.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/SerialManager.cpp b/SerialManager.cpp
index 88bc7cd..8430089 100644
--- a/SerialManager.cpp
+++ b/SerialManager.cpp
@@ -68,7 +68,11 @@ void SerialManager::init() {
   new SerialManager(&Serial3);
 #endif
 #ifdef SERIAL2_COMMANDS
+#ifdef ARDUINO_ARCH_ESP32
+  Serial2.begin(115200, SERIAL_8N1, 16, 17); // GPIO 16 RXD2; GPIO 17 TXD2 on ESP32
+#else  // not ESP32
   Serial2.begin(115200);
+#endif // ESP32
   new SerialManager(&Serial2);
 #endif
 #ifdef SERIAL1_COMMANDS
@@ -88,8 +92,10 @@ void SerialManager::init() {
   }
 #endif
 #ifdef SABERTOOTH
+#ifdef ARDUINO_ARCH_ESP32
   Serial2.begin(9600, SERIAL_8N1, 16, 17); // GPIO 16 RXD2; GPIO 17 TXD2 on ESP32
 #endif
+#endif
 }
 
 void SerialManager::broadcast(char * stringBuffer) {