v1.5.1 for ESP32 + ENC28J60

#### Releases v1.5.1

1. Initial coding to support ESP32 boards using ENC28J60 LwIP Ethernet. Sync with [WebServer_WT32_ETH01 v1.5.1](https://github.com/khoih-prog/WebServer_WT32_ETH01)

Author: khoih-prog

README.md

@@ -466,7 +466,7 @@ ESP32_Pub
 Attempting MQTT connection to broker.emqx.io
 ...connected
 Published connection message successfully!
-Subcribed to: ESP32_Sub
+Subscribed to: ESP32_Sub
 MQTT Message Send : ESP32_Pub => Hello from MQTT_ThingStream on ESP32_DEV with ESP32_ENC28J60
 MQTT Message receive [ESP32_Pub] Hello from MQTT_ThingStream on ESP32_DEV with ESP32_ENC28J60
 MQTT Message Send : ESP32_Pub => Hello from MQTT_ThingStream on ESP32_DEV with ESP32_ENC28J60

examples/MQTTClient_Auth/MQTTClient_Auth.ino

@@ -95,8 +95,8 @@ const char* mqttServer = "broker.emqx.io";        // Broker address
 //const char* mqttServer = "broker.shiftr.io";        // Broker address
 
 const char *ID        = "MQTTClient_SSL-Client";  // Name of our device, must be unique
-const char *TOPIC     = "MQTT_Pub";               // Topic to subcribe to
-const char *subTopic  = "MQTT_Sub";               // Topic to subcribe to
+const char *TOPIC     = "MQTT_Pub";               // Topic to subscribe to
+const char *subTopic  = "MQTT_Sub";               // Topic to subscribe to
 
 //IPAddress mqttServer(172, 16, 0, 2);
 
@@ -136,7 +136,7 @@ void reconnect()
       client.publish(TOPIC, data.c_str());
 
       //Serial.println("Published connection message successfully!");
-      //Serial.print("Subcribed to: ");
+      //Serial.print("Subscribed to: ");
       //Serial.println(subTopic);
 
       // This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9

examples/MQTTClient_Basic/MQTTClient_Basic.ino

@@ -96,8 +96,8 @@ const char* mqttServer = "broker.emqx.io";        // Broker address
 //const char* mqttServer = "broker.shiftr.io";        // Broker address
 
 const char *ID        = "MQTTClient_SSL-Client";  // Name of our device, must be unique
-const char *TOPIC     = "MQTT_Pub";               // Topic to subcribe to
-const char *subTopic  = "MQTT_Sub";               // Topic to subcribe to
+const char *TOPIC     = "MQTT_Pub";               // Topic to subscribe to
+const char *subTopic  = "MQTT_Sub";               // Topic to subscribe to
 
 //IPAddress mqttServer(172, 16, 0, 2);
 
@@ -137,7 +137,7 @@ void reconnect()
       client.publish(TOPIC, data.c_str());
 
       //Serial.println("Published connection message successfully!");
-      //Serial.print("Subcribed to: ");
+      //Serial.print("Subscribed to: ");
       //Serial.println(subTopic);
 
       // This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9

examples/MQTT_ThingStream/MQTT_ThingStream.ino

@@ -119,8 +119,8 @@ const char my_key[]   = "FIXME";
   const char* MQTT_SERVER = "broker.emqx.io";        // Broker address
 
   const char*  ID         = "MQTTClient_SSL-Client";  // Name of our device, must be unique
-  String      topic       = "ESP32_Pub";              // Topic to subcribe to
-  String      subTopic    = "ESP32_Sub";              // Topic to subcribe to
+  String      topic       = "ESP32_Pub";              // Topic to subscribe to
+  String      subTopic    = "ESP32_Sub";              // Topic to subscribe to
 
 #endif
 
@@ -182,7 +182,7 @@ void reconnect()
 
       Serial.println("Published connection message successfully!");
 
-      Serial.print("Subcribed to: ");
+      Serial.print("Subscribed to: ");
       Serial.println(subTopic);
 
       // This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9

examples/UdpNTPClient/UdpNTPClient.ino

@@ -1,6 +1,6 @@
 /****************************************************************************************************************************
   UdpNTPClient.ino - Simple Arduino web server sample for ESP8266 AT-command shield
-
+  
   For Ethernet shields using ESP32_ENC (ESP32 + ENC28J60)
 
   WebServer_ESP32_ENC is a library for the ESP32 with Ethernet ENC28J60 to run WebServer
@@ -81,7 +81,7 @@ char timeServer[]         = "time.nist.gov";  // NTP server
 unsigned int localPort    = 2390;             // local port to listen for UDP packets
 
 const int NTP_PACKET_SIZE = 48;       // NTP timestamp is in the first 48 bytes of the message
-const int UDP_TIMEOUT     = 2000;     // timeout in miliseconds to wait for an UDP packet to arrive
+const int UDP_TIMEOUT     = 2000;     // timeout in milliseconds to wait for an UDP packet to arrive
 
 byte packetBuffer[NTP_PACKET_SIZE];   // buffer to hold incoming and outgoing packets
 
@@ -118,7 +118,6 @@ void sendNTPpacket(char *ntpSrv)
 void setup()
 {
   Serial.begin(115200);
-
   while (!Serial && (millis() < 5000));
 
   Serial.print(F("\nStart UdpNTPClient on "));
@@ -157,17 +156,16 @@ void setup()
   ESP32_ENC_waitForConnect();
 
   ///////////////////////////////////
-
+  
   Udp.begin(localPort);
 }
 
 void loop()
 {
   sendNTPpacket(timeServer); // send an NTP packet to a time server
 
-  // wait for a reply for UDP_TIMEOUT miliseconds
+  // wait for a reply for UDP_TIMEOUT milliseconds
   unsigned long startMs = millis();
-
   while (!Udp.available() && (millis() - startMs) < UDP_TIMEOUT) {}
 
   // if there's data available, read a packet
@@ -195,7 +193,7 @@ void loop()
     // combine the four bytes (two words) into a long integer
     // this is NTP time (seconds since Jan 1 1900):
     unsigned long secsSince1900 = highWord << 16 | lowWord;
-
+    
     Serial.print(F("Seconds since Jan 1 1900 = "));
     Serial.println(secsSince1900);
 
@@ -212,25 +210,25 @@ void loop()
     Serial.print(F("The UTC time is "));       // UTC is the time at Greenwich Meridian (GMT)
     Serial.print((epoch  % 86400L) / 3600); // print the hour (86400 equals secs per day)
     Serial.print(F(":"));
-
-    if (((epoch % 3600) / 60) < 10)
+    
+    if (((epoch % 3600) / 60) < 10) 
     {
       // In the first 10 minutes of each hour, we'll want a leading '0'
       Serial.print(F("0"));
     }
-
+    
     Serial.print((epoch  % 3600) / 60); // print the minute (3600 equals secs per minute)
     Serial.print(F(":"));
-
-    if ((epoch % 60) < 10)
+    
+    if ((epoch % 60) < 10) 
     {
       // In the first 10 seconds of each minute, we'll want a leading '0'
       Serial.print(F("0"));
     }
-
+    
     Serial.println(epoch % 60); // print the second
   }
-
+  
   // wait ten seconds before asking for the time again
   delay(10000);
 }

examples/UdpSendReceive/UdpSendReceive.ino

@@ -1,6 +1,6 @@
 /****************************************************************************************************************************
   UDPSendReceive.ino - Simple Arduino web server sample for ESP8266/ESP32 AT-command shield
-
+  
   For Ethernet shields using ESP32_ENC (ESP32 + ENC28J60)
 
   WebServer_ESP32_ENC is a library for the ESP32 with Ethernet ENC28J60 to run WebServer
@@ -76,7 +76,7 @@ char timeServer[]         = "time.nist.gov";  // NTP server
 unsigned int localPort    = 2390;             // local port to listen for UDP packets
 
 const int NTP_PACKET_SIZE = 48;       // NTP timestamp is in the first 48 bytes of the message
-const int UDP_TIMEOUT     = 2000;     // timeout in miliseconds to wait for an UDP packet to arrive
+const int UDP_TIMEOUT     = 2000;     // timeout in milliseconds to wait for an UDP packet to arrive
 
 byte packetBuffer[NTP_PACKET_SIZE];          // buffer to hold incoming packet
 byte ReplyBuffer[] = "ACK";      // a string to send back
@@ -114,7 +114,6 @@ void sendNTPpacket(char *ntpSrv)
 void setup()
 {
   Serial.begin(115200);
-
   while (!Serial && (millis() < 5000));
 
   Serial.print(F("\nStart UDPSendReceive on "));
@@ -166,7 +165,7 @@ void loop()
 {
   sendNTPpacket(timeServer); // send an NTP packet to a time server
 
-  // wait for a reply for UDP_TIMEOUT miliseconds
+  // wait for a reply for UDP_TIMEOUT milliseconds
   unsigned long startMs = millis();
 
   while (!Udp.available() && (millis() - startMs) < UDP_TIMEOUT) {}