From 750261d2058e769ac93936277838031137c883cf Mon Sep 17 00:00:00 2001
From: srg74 <28492985+srg74@users.noreply.github.com>
Date: Sun, 5 Jan 2020 14:47:31 -0500
Subject: [PATCH] Turn off display after 5 min.

Better shut off display after few minutes to preserve display life time.
---
 usermods/ssd1306_i2c_oled_u8g2/wled06_usermod.ino | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/usermods/ssd1306_i2c_oled_u8g2/wled06_usermod.ino b/usermods/ssd1306_i2c_oled_u8g2/wled06_usermod.ino
index 593625b91..cef01cddf 100644
--- a/usermods/ssd1306_i2c_oled_u8g2/wled06_usermod.ino
+++ b/usermods/ssd1306_i2c_oled_u8g2/wled06_usermod.ino
@@ -39,6 +39,8 @@ uint8_t knownMode = 0;
 uint8_t knownPalette = 0;
 
 long lastUpdate = 0;
+long startupTimestamp = millis();
+bool displayTurnedOff = false;
 // How often we are redrawing screen
 #define USER_LOOP_REFRESH_RATE_MS 5000
 
@@ -49,6 +51,11 @@ void userLoop() {
     return;
   }
   lastUpdate = millis();
+// Turn off display after 5 minutes from powering.
+  if( !displayTurnedOff && millis() - startupTimestamp > 5*60*1000) {
+    u8x8.setPowerSave(1);
+    displayTurnedOff = true;
+  }
 
   // Check if values which are shown on display changed from the last tiem.
   if ((apActive == true ? String(apSSID) : WiFi.SSID()) != knownSsid) {