From cf929e154aa724472b195469e971e5c92f211c51 Mon Sep 17 00:00:00 2001
From: German Martin <gmag11@gmail.com>
Date: Mon, 1 May 2017 08:41:19 +0200
Subject: [PATCH] Keep time in case of sync failure.

Before, in case of a failure system time was set to 0
---
 src/ESPNTPClient.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/ESPNTPClient.cpp b/src/ESPNTPClient.cpp
index c6c065f..be106a6 100644
--- a/src/ESPNTPClient.cpp
+++ b/src/ESPNTPClient.cpp
@@ -135,7 +135,10 @@ time_t NTPClient::getTime()
 			setSyncInterval(getShortInterval()); // Fast refresh frequency, until successful sync
             if (onSyncEvent)
                 onSyncEvent(noResponse);
-            return 0;
+            if (!_firstSync) // first sync is not set
+                return 0;
+            else
+                return now();
 		}
 
         if (onSyncEvent)
@@ -146,8 +149,11 @@ time_t NTPClient::getTime()
 		DEBUGLOG("-- NTP Error. WiFi not connected.\r\n");
         if (onSyncEvent)
             onSyncEvent(noResponse);
-		return 0;
-	}
+        if (!_firstSync) // first sync is not set
+            return 0;
+        else
+            return now();
+    }
 }
 
 bool NTPClient::begin(String ntpServerName, int timeOffset, bool daylight)