From 82b7457aceed6cc2716c6b25bc191a38f40708e2 Mon Sep 17 00:00:00 2001
From: neil hancock <neilh20+github140819@biomoniotrs.com>
Date: Mon, 5 Nov 2018 11:55:08 -0800
Subject: [PATCH] support WiFi S6B no passwd

---
 src/TinyGsmClientXBee.h | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/TinyGsmClientXBee.h b/src/TinyGsmClientXBee.h
index 5f744c7..26eafe8 100644
--- a/src/TinyGsmClientXBee.h
+++ b/src/TinyGsmClientXBee.h
@@ -597,16 +597,22 @@ public:
   bool networkConnect(const char* ssid, const char* pwd) {
 
     if (!commandMode()) return false;  // return immediately
+    //nh For no pwd don't set setscurity or pwd
+    if (NULL == ssid ) return exitAndFail(); 
 
-    sendAT(GF("EE"), 2);  // Set security to WPA2
+    if (NULL != pwd) 
+    {
+      sendAT(GF("EE"), 2);  // Set security to WPA2
+      if (waitResponse() != 1) return exitAndFail();
+      sendAT(GF("PK"), pwd);
+    } else {
+      sendAT(GF("EE"), 0);  // Set No security 
+    }
     if (waitResponse() != 1) return exitAndFail();
 
     sendAT(GF("ID"), ssid);
     if (waitResponse() != 1) return exitAndFail();
 
-    sendAT(GF("PK"), pwd);
-    if (waitResponse() != 1) return exitAndFail();
-
     if (!writeChanges()) return exitAndFail();
     exitCommand();