From a96e82cc50adeb487922145d37a944b54f0b0637 Mon Sep 17 00:00:00 2001
From: fvanroie <cpt_jack@msn.com>
Date: Sun, 10 Apr 2022 14:34:57 +0200
Subject: [PATCH] Fix std::to_string compiler error

---
 src/dev/esp32/esp32.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/dev/esp32/esp32.cpp b/src/dev/esp32/esp32.cpp
index dbdfd6a1..9c98e953 100644
--- a/src/dev/esp32/esp32.cpp
+++ b/src/dev/esp32/esp32.cpp
@@ -227,7 +227,11 @@ const char* Esp32Device::get_chip_model()
     */
     _chip_model = ESP.getChipModel();
     _chip_model += " rev";
+#if ESP_ARDUINO_VERSION_MAJOR >= 2
     _chip_model += std::to_string(ESP.getChipRevision());
+#else
+    _chip_model += String(ESP.getChipRevision()).c_str();
+#endif
     return _chip_model.c_str();
 }