From f9ee4198e11f0f2ec32a2c04ad23402bbf28cf62 Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Fri, 11 Oct 2024 12:38:04 +0200
Subject: [PATCH] Fix compile error when wire1 is unavailable

---
 tasmota/tasmota_support/support_a_i2c.ino | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tasmota/tasmota_support/support_a_i2c.ino b/tasmota/tasmota_support/support_a_i2c.ino
index 0af7450d6..c857240cd 100644
--- a/tasmota/tasmota_support/support_a_i2c.ino
+++ b/tasmota/tasmota_support/support_a_i2c.ino
@@ -63,7 +63,12 @@ bool I2cBegin(int sda, int scl, uint32_t bus, uint32_t frequency) {
 #endif  // USE_I2C_BUS2_ESP8266
 #endif  // ESP8266
 #ifdef ESP32
+#ifdef USE_I2C_BUS2
   TwoWire& myWire = (0 == bus) ? Wire : Wire1;
+#else
+  if (bus > 0) { return false; }
+  TwoWire& myWire = Wire;
+#endif
   static bool reinit = false;
   if (reinit) { myWire.end(); }
   result = myWire.begin(sda, scl, frequency);