From 0cfbb0f49cb7011ededc5dfe16de6a560b8529a3 Mon Sep 17 00:00:00 2001
From: Julio <jul.matarranz@gmail.com>
Date: Thu, 2 Nov 2023 19:25:57 +0100
Subject: [PATCH] fix #210 implement Switch off screen on Lilygo dongle

---
 platformio.ini                               | 2 ++
 src/drivers/displays/dongleDisplayDriver.cpp | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/platformio.ini b/platformio.ini
index 9fe7297..14160df 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -126,6 +126,8 @@ build_flags =
     -DNERMINER_S3_DONGLE
     -DBOARD_HAS_PSRAM
     -DARDUINO_USB_CDC_ON_BOOT
+    -DTFT_BACKLIGHT_ON=HIGH
+    -DTFT_BL=38
 lib_deps = 
 	https://github.com/takkaO/OpenFontRender
 	bblanchon/ArduinoJson@^6.21.2
diff --git a/src/drivers/displays/dongleDisplayDriver.cpp b/src/drivers/displays/dongleDisplayDriver.cpp
index 28d45f4..ca29fca 100644
--- a/src/drivers/displays/dongleDisplayDriver.cpp
+++ b/src/drivers/displays/dongleDisplayDriver.cpp
@@ -103,6 +103,9 @@ void dongleDisplay_Init(void)
 
 void dongleDisplay_AlternateScreenState(void)
 {
+  int screen_state = digitalRead(TFT_BL);
+  Serial.println("Switching display state");
+  digitalWrite(TFT_BL, !screen_state);
 }
 
 void dongleDisplay_AlternateRotation(void)