From abb69ce5dd800212c8efad9d1550f6ea70e5b799 Mon Sep 17 00:00:00 2001
From: fvanroie <15969459+fvanroie@users.noreply.github.com>
Date: Tue, 23 Feb 2021 23:14:25 +0100
Subject: [PATCH] Check if TFT_BCKL is defined before using

---
 src/dev/esp32/esp32.h     | 6 +++++-
 src/dev/esp8266/esp8266.h | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/dev/esp32/esp32.h b/src/dev/esp32/esp32.h
index 44be6a6b..90f7485a 100644
--- a/src/dev/esp32/esp32.h
+++ b/src/dev/esp32/esp32.h
@@ -16,9 +16,13 @@ class Esp32Device : public BaseDevice {
     Esp32Device()
     {
         _hostname        = "plate";
-        _backlight_pin   = TFT_BCKL;
         _backlight_power = 1;
         _backlight_level = 100;
+#ifdef TFT_BCKL
+        _backlight_pin = TFT_BCKL;
+#else
+        _backlight_pin = -1;
+#endif
     }
     void reboot() override;
     void show_info() override;
diff --git a/src/dev/esp8266/esp8266.h b/src/dev/esp8266/esp8266.h
index cdd6526d..458add99 100644
--- a/src/dev/esp8266/esp8266.h
+++ b/src/dev/esp8266/esp8266.h
@@ -17,9 +17,13 @@ class Esp8266Device : public BaseDevice {
     Esp8266Device()
     {
         _hostname        = "plate";
-        _backlight_pin   = TFT_BCKL;
         _backlight_power = 1;
         _backlight_level = 100;
+#ifdef TFT_BCKL
+        _backlight_pin = TFT_BCKL;
+#else
+        _backlight_pin = -1;
+#endif
     }
 
     void reboot() override;