From 95986805c92cef04c4b4a25b8e1b9fcf16979857 Mon Sep 17 00:00:00 2001
From: Marcel Walter <marcel.s.walter@gmail.com>
Date: Tue, 6 Jan 2026 16:23:36 +0100
Subject: [PATCH] add ArduinoOTA handling, add correct local time and improve
 scrolling behavior

---
 platformio.ini |  3 +++
 src/main.cpp   | 39 ++++++++++++++++++++++++++++++---------
 2 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index f782100..f1d7cd8 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -17,3 +17,6 @@ lib_deps =
     witnessmenow/UniversalTelegramBot @ ^1.3.0
     adafruit/Adafruit GFX Library @ 1.12.3
 build_flags=-DTELEGRAM_DEBUG
+; OTA update path: hostname is flipdottelegram.fritz.box
+upload_protocol = espota
+upload_port = 172.30.30.50
diff --git a/src/main.cpp b/src/main.cpp
index 2e657fa..24cb0dc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -36,7 +36,7 @@ void printOpen(String Args)
 
 void printClose(String Args)
 {
-  Text = "geschlossen";
+  Text = "leider zu";
 }
 
 void printText(String Args) 
@@ -108,9 +108,12 @@ void setup()
   // attempt to connect to Wifi network:
   Serial.print("Connecting to Wifi SSID ");
   Serial.print(WIFI_SSID);
+  WiFi.setHostname("flipdottelegram");
   WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
   while (WiFi.status() != WL_CONNECTED)
   {
+    Serial.print("!");
+    Serial.print(WiFi.status());
     Serial.print(".");
     delay(500);
   }
@@ -119,7 +122,7 @@ void setup()
 
   Serial.print("Retrieving time: ");
   configTime(0, 0, "pool.ntp.org"); // get UTC time via NTP
-//  configTzTime("CET-1CEST,M3.5.0,M10.5.0/3", "pool.ntp.org");
+  configTzTime("CET-1CEST,M3.5.0,M10.5.0/3", "pool.ntp.org");
   time_t now = time(nullptr);
   while (now < 24 * 3600)
   {
@@ -130,19 +133,34 @@ void setup()
   Serial.println(now);
 
 
+  ArduinoOTA.setHostname("flipdottelegram");
+  ArduinoOTA.begin();
+  ArduinoOTA.onStart(onOTAStart);
+
   tele.init();
+
+  printClose("");
 }
 
 void loop()
 {
   unsigned long now = millis();
   static unsigned long lastDisplayRefresh = now;
+  static unsigned long lastTelegramRefresh = now;
+
+  ArduinoOTA.handle();
 
-  tele.cyclic(now);
   yield();
 
-  if ((now - lastDisplayRefresh) > 3000)
+  if ((now - lastTelegramRefresh) > 5000)
   {
+    lastTelegramRefresh = now;
+    tele.cyclic(now);
+  }
+
+  if ((now - lastDisplayRefresh) > 2000)
+  {
+    lastDisplayRefresh = now;
     //fill canvas with black pixels
     canvas.fillScreen(0);
 
@@ -155,15 +173,19 @@ void loop()
       //get the substring ffor this iteration
       String SubText = Text.substring(offset, offset + MAX_CHAR_PER_LINE);
 
-      //increase the offset and reset it at the end of the scrol
-      offset++;
-      if (offset + MAX_CHAR_PER_LINE > TextLength)
+      if (SubText.length() < MAX_CHAR_PER_LINE)
       {
+        // if the text is the last line start over
         offset = 0;
       }
+      else
+      {
+        //increase the offset and reset it at the end of the scrol
+        offset += 4;
+      }
 
       //write substring to canvas
-      displayText(SubText.c_str(), true, 15, 4);
+      displayText(SubText.c_str(), true, 0, 4);
     }
     else
     {
@@ -173,7 +195,6 @@ void loop()
       if(getLocalTime(&timeinfo))
       {
         strftime(buffer, 6, "%R", &timeinfo);
-        return;
       }
       displayText(buffer, true, 0, 4);