From 643778a27c85f3e69ba4b670c6862163164fcfae Mon Sep 17 00:00:00 2001
From: Martin Ness <m.ness@martin89.de>
Date: Tue, 10 May 2016 21:02:35 +0200
Subject: [PATCH] =?UTF-8?q?=C3=9Cberlaufbehandlung=20=C3=BCberarbeitet?=
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---
 status/status.ino | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/status/status.ino b/status/status.ino
index f1d8ef3..66ffc78 100644
--- a/status/status.ino
+++ b/status/status.ino
@@ -129,11 +129,12 @@ void sendState() {
 
 unsigned long calcStateTime() {
   // Variablen überlauf von millis erkennen
-  if (millis() - stateBegan >= 0) {
-    return millis() - stateBegan;
-  } else {
-    return millis() + (ULONG_MAX - stateBegan);
+  unsigned long current_uptime = millis();
+  // kein überlauf
+  if (current_uptime > stateBegan) {
+    return current_uptime - stateBegan;
   }
+  return current_uptime + (ULONG_MAX - stateBegan);
 }
 
 // wird nach dem Starten dauerhaft ausgeführt