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v2.9

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xin
2025-07-08 08:54:35 +08:00
parent bc81bd41ac
commit 6de3458dfc
376 changed files with 68605 additions and 246 deletions
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275
lib/WebServer_ESP32_W5500/examples/AdvancedWebServer/AdvancedWebServer.ino Normal file
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/****************************************************************************************************************************
AdvancedWebServer.h
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
Copyright (c) 2015, Majenko Technologies
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
Neither the name of Majenko Technologies nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
int reqCount = 0; // number of requests received
void handleRoot()
{
#define BUFFER_SIZE 400
char temp[BUFFER_SIZE];
int sec = millis() / 1000;
int min = sec / 60;
int hr = min / 60;
int day = hr / 24;
hr = hr % 24;
snprintf(temp, BUFFER_SIZE - 1,
"<html>\
<head>\
<meta http-equiv='refresh' content='5'/>\
<title>AdvancedWebServer %s</title>\
<style>\
body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
</style>\
</head>\
<body>\
<h2>Hi from WebServer_ESP32_W5500!</h2>\
<h3>on %s</h3>\
<p>Uptime: %d d %02d:%02d:%02d</p>\
<img src=\"/test.svg\" />\
</body>\
</html>", BOARD_NAME, BOARD_NAME, day, hr % 24, min % 60, sec % 60);
server.send(200, F("text/html"), temp);
}
void handleNotFound()
{
String message = F("File Not Found\n\n");
message += F("URI: ");
message += server.uri();
message += F("\nMethod: ");
message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += server.args();
message += F("\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, F("text/plain"), message);
}
void drawGraph()
{
String out;
out.reserve(3000);
char temp[70];
out += F("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n");
out += F("<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"2\" stroke=\"rgb(0, 0, 0)\" />\n");
out += F("<g stroke=\"blue\">\n");
int y = rand() % 130;
for (int x = 10; x < 300; x += 10)
{
int y2 = rand() % 130;
sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"2\" />\n", x, 140 - y, x + 10, 140 - y2);
out += temp;
y = y2;
}
out += F("</g>\n</svg>\n");
server.send(200, F("image/svg+xml"), out);
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart AdvancedWebServer on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
server.on(F("/"), handleRoot);
server.on(F("/test.svg"), drawGraph);
server.on(F("/inline"), []()
{
server.send(200, F("text/plain"), F("This works as well"));
});
server.onNotFound(handleNotFound);
server.begin();
Serial.print(F("HTTP EthernetWebServer is @ IP : "));
Serial.println(ETH.localIP());
}
void heartBeatPrint()
{
static int num = 1;
Serial.print(F("."));
if (num == 80)
{
Serial.println();
num = 1;
}
else if (num++ % 10 == 0)
{
Serial.print(F(" "));
}
}
void check_status()
{
static unsigned long checkstatus_timeout = 0;
#define STATUS_CHECK_INTERVAL 10000L
// Send status report every STATUS_REPORT_INTERVAL (60) seconds: we don't need to send updates frequently if there is no status change.
if ((millis() > checkstatus_timeout) || (checkstatus_timeout == 0))
{
heartBeatPrint();
checkstatus_timeout = millis() + STATUS_CHECK_INTERVAL;
}
}
void loop()
{
server.handleClient();
check_status();
}

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/****************************************************************************************************************************
HelloServer.ino - Dead simple web-server for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
void handleRoot()
{
String html = F("Hello from HelloServer running on ");
html += String(BOARD_NAME);
server.send(200, F("text/plain"), html);
}
void handleNotFound()
{
String message = F("File Not Found\n\n");
message += F("URI: ");
message += server.uri();
message += F("\nMethod: ");
message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += server.args();
message += F("\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, F("text/plain"), message);
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart HelloServer on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
server.on(F("/"), handleRoot);
server.on(F("/inline"), []()
{
server.send(200, F("text/plain"), F("This works as well"));
});
server.onNotFound(handleNotFound);
server.begin();
Serial.print(F("HTTP EthernetWebServer is @ IP : "));
Serial.println(ETH.localIP());
}
void loop()
{
server.handleClient();
}

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/****************************************************************************************************************************
HelloServer2.h - Dead simple web-server for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
void handleRoot()
{
String html = F("Hello from HelloServer2 running on ");
html += String(BOARD_NAME);
server.send(200, F("text/plain"), html);
}
void handleNotFound()
{
String message = F("File Not Found\n\n");
message += F("URI: ");
message += server.uri();
message += F("\nMethod: ");
message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += server.args();
message += F("\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, F("text/plain"), message);
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart HelloServer2 on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
server.on(F("/"), handleRoot);
server.on(F("/inline"), []()
{
server.send(200, F("text/plain"), F("This works as well"));
});
server.on(F("/gif"), []()
{
static const uint8_t gif[] PROGMEM =
{
0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x10, 0x00, 0x10, 0x00, 0x80, 0x01,
0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x2c, 0x00, 0x00, 0x00, 0x00,
0x10, 0x00, 0x10, 0x00, 0x00, 0x02, 0x19, 0x8c, 0x8f, 0xa9, 0xcb, 0x9d,
0x00, 0x5f, 0x74, 0xb4, 0x56, 0xb0, 0xb0, 0xd2, 0xf2, 0x35, 0x1e, 0x4c,
0x0c, 0x24, 0x5a, 0xe6, 0x89, 0xa6, 0x4d, 0x01, 0x00, 0x3b
};
char gif_colored[sizeof(gif)];
memcpy_P(gif_colored, gif, sizeof(gif));
// Set the background to a random set of colors
gif_colored[16] = millis() % 256;
gif_colored[17] = millis() % 256;
gif_colored[18] = millis() % 256;
server.send_P(200, "image/gif", gif_colored, sizeof(gif_colored));
});
server.onNotFound(handleNotFound);
server.begin();
Serial.print(F("HTTP HelloServer2 started @ IP : "));
Serial.println(ETH.localIP());
}
void loop()
{
server.handleClient();
}

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/****************************************************************************************************************************
HTTPBasicAuth.h - Dead simple web-server for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
const char* www_username = "admin";
const char* www_password = "esp32_w5500";
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart HTTPBasicAuth on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
server.on(F("/"), []()
{
if (!server.authenticate(www_username, www_password))
{
return server.requestAuthentication();
}
server.send(200, F("text/plain"), F("Login OK"));
});
server.begin();
Serial.print(F("HTTP HTTPBasicAuth started @ IP : "));
Serial.println(ETH.localIP());
Serial.print(F("Open http://"));
Serial.print(ETH.localIP());
Serial.println(F("/ in your browser to see it working"));
Serial.print(F("Using username : "));
Serial.print(www_username);
Serial.print(F(" and password : "));
Serial.println(www_password);
}
void loop()
{
server.handleClient();
}

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/****************************************************************************************************************************
MQTTClient_Auth.ino - Dead simple MQTT Client for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
/*
Basic MQTT example (without SSL!) with Authentication
This sketch demonstrates the basic capabilities of the library.
It connects to an MQTT server then:
- providing username and password
- publishes "hello world" to the topic "outTopic"
- subscribes to the topic "inTopic", printing out any messages
it receives. NB - it assumes the received payloads are strings not binary
It will reconnect to the server if the connection is lost using a blocking
reconnect function. See the 'mqtt_reconnect_nonblocking' example for how to
achieve the same result without blocking the main loop.
*/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
#include <PubSubClient.h>
// Update these with values suitable for your network.
//const char* mqttServer = "broker.example"; // Broker address
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 subscribe to
const char *subTopic = "MQTT_Sub"; // Topic to subscribe to
//IPAddress mqttServer(172, 16, 0, 2);
void callback(char* topic, byte* payload, unsigned int length)
{
Serial.print("Message arrived [");
Serial.print(topic);
Serial.print("] ");
for (unsigned int i = 0; i < length; i++)
{
Serial.print((char)payload[i]);
}
Serial.println();
}
WiFiClient ethClient;
PubSubClient client(mqttServer, 1883, callback, ethClient);
void reconnect()
{
// Loop until we're reconnected
while (!client.connected())
{
Serial.print("Attempting MQTT connection to ");
Serial.print(mqttServer);
// Attempt to connect
if (client.connect("arduino", "try", "try"))
{
Serial.println("...connected");
// Once connected, publish an announcement...
String data = "Hello from MQTTClient_SSL on " + String(BOARD_NAME);
client.publish(TOPIC, data.c_str());
//Serial.println("Published connection message successfully!");
//Serial.print("Subscribed to: ");
//Serial.println(subTopic);
// This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9
//ethClientSSL.flush();
// ... and resubscribe
client.subscribe(subTopic);
// for loopback testing
client.subscribe(TOPIC);
// This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9
//ethClientSSL.flush();
}
else
{
Serial.print("...failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart MQTTClient_Auth on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
// Note - the default maximum packet size is 128 bytes. If the
// combined length of clientId, username and password exceed this use the
// following to increase the buffer size:
// client.setBufferSize(255);
}
#define MQTT_PUBLISH_INTERVAL_MS 5000L
String data = "Hello from MQTTClient_Auth on " + String(ARDUINO_BOARD) + " with " + String(SHIELD_TYPE);
const char *pubData = data.c_str();
unsigned long lastMsg = 0;
void loop()
{
static unsigned long now;
if (!client.connected())
{
reconnect();
}
// Sending Data
now = millis();
if (now - lastMsg > MQTT_PUBLISH_INTERVAL_MS)
{
lastMsg = now;
if (!client.publish(TOPIC, pubData))
{
Serial.println("Message failed to send.");
}
Serial.print("Message Send : " + String(TOPIC) + " => ");
Serial.println(data);
}
client.loop();
}

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/****************************************************************************************************************************
MQTTClient_Basic.ino - Dead simple MQTT Client for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
/*
Basic MQTT example (without SSL!) with Authentication
This sketch demonstrates the basic capabilities of the library.
It connects to an MQTT server then:
- providing username and password
- publishes "hello world" to the topic "outTopic"
- subscribes to the topic "inTopic", printing out any messages
it receives. NB - it assumes the received payloads are strings not binary
It will reconnect to the server if the connection is lost using a blocking
reconnect function. See the 'mqtt_reconnect_nonblocking' example for how to
achieve the same result without blocking the main loop.
*/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
#include <PubSubClient.h>
// Update these with values suitable for your network.
//const char* mqttServer = "broker.example"; // Broker address
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 subscribe to
const char *subTopic = "MQTT_Sub"; // Topic to subscribe to
//IPAddress mqttServer(172, 16, 0, 2);
void callback(char* topic, byte* payload, unsigned int length)
{
Serial.print("Message arrived [");
Serial.print(topic);
Serial.print("] ");
for (unsigned int i = 0; i < length; i++)
{
Serial.print((char)payload[i]);
}
Serial.println();
}
WiFiClient ethClient;
PubSubClient client(mqttServer, 1883, callback, ethClient);
void reconnect()
{
// Loop until we're reconnected
while (!client.connected())
{
//Serial.print("Attempting MQTT connection to ");
//Serial.print(mqttServer);
// Attempt to connect
if (client.connect(ID, "try", "try"))
{
//Serial.println("...connected");
// Once connected, publish an announcement...
String data = "Hello from MQTTClient_SSL on " + String(BOARD_NAME);
client.publish(TOPIC, data.c_str());
//Serial.println("Published connection message successfully!");
//Serial.print("Subscribed to: ");
//Serial.println(subTopic);
// This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9
//ethClientSSL.flush();
// ... and resubscribe
client.subscribe(subTopic);
// for loopback testing
client.subscribe(TOPIC);
// This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9
//ethClientSSL.flush();
}
else
{
Serial.print("...failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart MQTTClient_Basic on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
client.setServer(mqttServer, 1883);
client.setCallback(callback);
// Allow the hardware to sort itself out
delay(1500);
}
#define MQTT_PUBLISH_INTERVAL_MS 5000L
String data = "Hello from MQTTClient_Basic on " + String(ARDUINO_BOARD) + " with " + String(SHIELD_TYPE);
const char *pubData = data.c_str();
unsigned long lastMsg = 0;
void loop()
{
static unsigned long now;
if (!client.connected())
{
reconnect();
}
// Sending Data
now = millis();
if (now - lastMsg > MQTT_PUBLISH_INTERVAL_MS)
{
lastMsg = now;
if (!client.publish(TOPIC, pubData))
{
Serial.println("Message failed to send.");
}
Serial.print("Message Send : " + String(TOPIC) + " => ");
Serial.println(data);
}
client.loop();
}

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/****************************************************************************************************************************
MQTT_ThingStream.ino - Dead simple MQTT Client for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
/*
Basic MQTT example (without SSL!)
This sketch demonstrates the basic capabilities of the library.
It connects to an MQTT server then:
- publishes {Hello from MQTTClient_SSL on NUCLEO_F767ZI} to the topic [STM32_Pub]
- subscribes to the topic [STM32_Sub], printing out any messages
it receives. NB - it assumes the received payloads are strings not binary
It will reconnect to the server if the connection is lost using a blocking
reconnect function. See the 'mqtt_reconnect_nonblocking' example for how to
achieve the same result without blocking the main loop.
You will need to populate "certificates.h" with your trust anchors
(see https://github.com/OPEnSLab-OSU/SSLClient/blob/master/TrustAnchors.md)
and my_cert/my_key with your certificate/private key pair
(see https://github.com/OPEnSLab-OSU/SSLClient#mtls).
*/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
#include <PubSubClient.h>
const char my_cert[] = "FIXME";
const char my_key[] = "FIXME";
#define USING_THINGSTREAM_IO false //true
#if USING_THINGSTREAM_IO
const char *MQTT_PREFIX_TOPIC = "esp32-sniffer/";
const char *MQTT_ANNOUNCE_TOPIC = "/status";
const char *MQTT_CONTROL_TOPIC = "/control";
const char *MQTT_BLE_TOPIC = "/ble";
// GOT FROM ThingsStream!
const char *MQTT_SERVER = "mqtt.thingstream.io";
const char *MQTT_USER = "MQTT_USER";
const char *MQTT_PASS = "MQTT_PASS";
const char *MQTT_CLIENT_ID = "MQTT_CLIENT_ID";
String topic = MQTT_PREFIX_TOPIC + String("12345678") + MQTT_BLE_TOPIC;
String subTopic = MQTT_PREFIX_TOPIC + String("12345678") + MQTT_BLE_TOPIC;
#else
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 subscribe to
String subTopic = "ESP32_Sub"; // Topic to subscribe to
#endif
void mqtt_receive_callback(char* topic, byte* payload, unsigned int length);
const int MQTT_PORT = 1883; //if you use SSL //1883 no SSL
unsigned long lastMsg = 0;
// Initialize the SSL client library
// Arguments: EthernetClient, our trust anchors
WiFiClient ethClient;
PubSubClient client(MQTT_SERVER, MQTT_PORT, mqtt_receive_callback, ethClient);
/*
Called whenever a payload is received from a subscribed MQTT topic
*/
void mqtt_receive_callback(char* topic, byte* payload, unsigned int length)
{
Serial.print("MQTT Message receive [");
Serial.print(topic);
Serial.print("] ");
for (unsigned int i = 0; i < length; i++)
{
Serial.print((char)payload[i]);
}
Serial.println();
}
void reconnect()
{
// Loop until we're reconnected
while (!client.connected())
{
//Serial.print("Attempting MQTT connection to ");
//Serial.println(MQTT_SERVER);
// Attempt to connect
#if USING_THINGSTREAM_IO
int connect_status = client.connect(MQTT_CLIENT_ID, MQTT_USER, MQTT_PASS, topic.c_str(), 2, false, "");
#else
int connect_status = client.connect(ID);
#endif
if (connect_status)
{
//Serial.println("...connected");
// Once connected, publish an announcement...
String data = "Hello from MQTTClient_SSL on " + String(BOARD_NAME);
client.publish(topic.c_str(), data.c_str());
//Serial.println("Published connection message successfully!");
//Serial.print("Subscribed to: ");
//Serial.println(subTopic);
// This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9
//ethClientSSL.flush();
// ... and resubscribe
client.subscribe(subTopic.c_str());
// for loopback testing
client.subscribe(topic.c_str());
// This is a workaround to address https://github.com/OPEnSLab-OSU/SSLClient/issues/9
//ethClientSSL.flush();
}
else
{
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart MQTT_ThingStream on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
// Note - the default maximum packet size is 256 bytes. If the
// combined length of clientId, username and password exceed this use the
// following to increase the buffer size:
//client.setBufferSize(256);
Serial.println("***************************************");
Serial.println(topic);
Serial.println("***************************************");
}
#define MQTT_PUBLISH_INTERVAL_MS 5000L
String data = "Hello from MQTT_ThingStream on " + String(BOARD_NAME) + " with " + String(SHIELD_TYPE);
const char *pubData = data.c_str();
void loop()
{
static unsigned long now;
if (!client.connected())
{
reconnect();
}
// Sending Data
now = millis();
if (now - lastMsg > MQTT_PUBLISH_INTERVAL_MS)
{
lastMsg = now;
if (!client.publish(topic.c_str(), pubData))
{
Serial.println("Message failed to send.");
}
Serial.print("MQTT Message Send : " + topic + " => ");
Serial.println(data);
}
client.loop();
}

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/****************************************************************************************************************************
PostServer.h - Dead simple web-server for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
const String postForms =
F("<html>\
<head>\
<title>WebServer_ESP32_ENC POST handling</title>\
<style>\
body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
</style>\
</head>\
<body>\
<h1>POST plain text to /postplain/</h1><br>\
<form method=\"post\" enctype=\"text/plain\" action=\"/postplain/\">\
<input type=\"text\" name=\'{\"hello\": \"world\", \"trash\": \"\' value=\'\"}\'><br>\
<input type=\"submit\" value=\"Submit\">\
</form>\
<h1>POST form data to /postform/</h1><br>\
<form method=\"post\" enctype=\"application/x-www-form-urlencoded\" action=\"/postform/\">\
<input type=\"text\" name=\"hello\" value=\"world\"><br>\
<input type=\"submit\" value=\"Submit\">\
</form>\
</body>\
</html>");
void handleRoot()
{
server.send(200, F("text/html"), postForms);
}
void handlePlain()
{
if (server.method() != HTTP_POST)
{
server.send(405, F("text/plain"), F("Method Not Allowed"));
}
else
{
server.send(200, F("text/plain"), "POST body was:\n" + server.arg("plain"));
}
}
void handleForm()
{
if (server.method() != HTTP_POST)
{
server.send(405, F("text/plain"), F("Method Not Allowed"));
}
else
{
String message = F("POST form was:\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(200, F("text/plain"), message);
}
}
void handleNotFound()
{
String message = F("File Not Found\n\n");
message += F("URI: ");
message += server.uri();
message += F("\nMethod: ");
message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += server.args();
message += F("\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, F("text/plain"), message);
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart POSTServer on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
server.on(F("/"), handleRoot);
server.on(F("/postplain/"), handlePlain);
server.on(F("/postform/"), handleForm);
server.onNotFound(handleNotFound);
server.begin();
Serial.print(F("HTTP POSTServer started @ IP : "));
Serial.println(ETH.localIP());
}
void loop()
{
server.handleClient();
}

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/****************************************************************************************************************************
SimpleAuthentication.ino - Dead simple web-server for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
//Check if header is present and correct
bool is_authenticated()
{
Serial.println(F("Enter is_authenticated"));
if (server.hasHeader(F("Cookie")))
{
Serial.print(F("Found cookie: "));
String cookie = server.header(F("Cookie"));
Serial.println(cookie);
if (cookie.indexOf(F("ESPSESSIONID=1")) != -1)
{
Serial.println(F("Authentication Successful"));
return true;
}
}
Serial.println(F("Authentication Failed"));
return false;
}
//login page, also called for disconnect
void handleLogin()
{
String msg;
if (server.hasHeader(F("Cookie")))
{
Serial.print(F("Found cookie: "));
String cookie = server.header(F("Cookie"));
Serial.println(cookie);
}
if (server.hasArg(F("DISCONNECT")))
{
Serial.println(F("Disconnection"));
server.sendHeader(F("Location"), F("/login"));
server.sendHeader(F("Cache-Control"), F("no-cache"));
server.sendHeader(F("Set-Cookie"), F("ESPSESSIONID=0"));
server.send(301);
return;
}
if (server.hasArg(F("USERNAME")) && server.hasArg(F("PASSWORD")))
{
if (server.arg(F("USERNAME")) == F("admin") && server.arg(F("PASSWORD")) == F("password"))
{
server.sendHeader(F("Location"), F("/"));
server.sendHeader(F("Cache-Control"), F("no-cache"));
server.sendHeader(F("Set-Cookie"), F("ESPSESSIONID=1"));
server.send(301);
Serial.println(F("Log in Successful"));
return;
}
msg = F("Wrong username/password! try again.");
Serial.println(F("Log in Failed"));
}
String content = F("<html><body><form action='/login' method='POST'>To log in, please use : admin/password<br>");
content += F("User:<input type='text' name='USERNAME' placeholder='user name'><br>");
content += F("Password:<input type='password' name='PASSWORD' placeholder='password'><br>");
content += F("<input type='submit' name='SUBMIT' value='Submit'></form>");
content += msg;
content += F("<br>");
content += F("You also can go <a href='/inline'>here</a></body></html>");
server.send(200, F("text/html"), content);
}
//root page can be accessed only if authentication is ok
void handleRoot()
{
String header;
Serial.println(F("Enter handleRoot"));
if (!is_authenticated())
{
server.sendHeader(F("Location"), F("/login"));
server.sendHeader(F("Cache-Control"), F("no-cache"));
server.send(301);
return;
}
String content = F("<html><body><H2>Hello, you're connected to WebServer_ESP32_W5500 running on ");
content += String(ARDUINO_BOARD);
content += F("!</H2><br>");
if (server.hasHeader(F("User-Agent")))
{
content += F("the user agent used is : ");
content += server.header(F("User-Agent"));
content += F("<br><br>");
}
content += F("You can access this page until you <a href=\"/login?DISCONNECT=YES\">disconnect</a></body></html>");
server.send(200, F("text/html"), content);
}
//no need authentication
void handleNotFound()
{
String message = F("File Not Found\n\n");
message += F("URI: ");
message += server.uri();
message += F("\nMethod: ");
message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += server.args();
message += F("\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, F("text/plain"), message);
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart SimpleAuthentication on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
server.on(F("/"), handleRoot);
server.on(F("/login"), handleLogin);
server.on(F("/inline"), []()
{
server.send(200, F("text/plain"), F("This works without need of authentication"));
});
server.onNotFound(handleNotFound);
//here the list of headers to be recorded
const char * headerkeys[] = {"User-Agent", "Cookie"} ;
size_t headerkeyssize = sizeof(headerkeys) / sizeof(char*);
//ask server to track these headers
server.collectHeaders(headerkeys, headerkeyssize);
server.begin();
Serial.print(F("HTTP SimpleAuthentication is @ IP : "));
Serial.println(ETH.localIP());
}
void loop()
{
server.handleClient();
}

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/****************************************************************************************************************************
UdpNTPClient.ino - Simple Arduino web server sample for ESP8266 AT-command shield
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
/*
The Arduino board communicates with the shield using the SPI bus. This is on digital pins 11, 12, and 13 on the Uno
and pins 50, 51, and 52 on the Mega. On both boards, pin 10 is used as SS. On the Mega, the hardware SS pin, 53,
is not used to select the Ethernet controller chip, but it must be kept as an output or the SPI interface won't work.
*/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
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 milliseconds to wait for an UDP packet to arrive
byte packetBuffer[NTP_PACKET_SIZE]; // buffer to hold incoming and outgoing packets
// A UDP instance to let us send and receive packets over UDP
WiFiUDP Udp;
// send an NTP request to the time server at the given address
void sendNTPpacket(char *ntpSrv)
{
// set all bytes in the buffer to 0
memset(packetBuffer, 0, NTP_PACKET_SIZE);
// Initialize values needed to form NTP request
// (see URL above for details on the packets)
packetBuffer[0] = 0b11100011; // LI, Version, Mode
packetBuffer[1] = 0; // Stratum, or type of clock
packetBuffer[2] = 6; // Polling Interval
packetBuffer[3] = 0xEC; // Peer Clock Precision
// 8 bytes of zero for Root Delay & Root Dispersion
packetBuffer[12] = 49;
packetBuffer[13] = 0x4E;
packetBuffer[14] = 49;
packetBuffer[15] = 52;
// all NTP fields have been given values, now
// you can send a packet requesting a timestamp:
Udp.beginPacket(ntpSrv, 123); //NTP requests are to port 123
Udp.write(packetBuffer, NTP_PACKET_SIZE);
Udp.endPacket();
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart UdpNTPClient on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
Udp.begin(localPort);
}
void loop()
{
sendNTPpacket(timeServer); // send an NTP packet to a time server
// 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
int packetSize = Udp.parsePacket();
if (packetSize)
{
Serial.print(F("UDP Packet received, size "));
Serial.println(packetSize);
Serial.print(F("From "));
IPAddress remoteIp = Udp.remoteIP();
Serial.print(remoteIp);
Serial.print(F(", port "));
Serial.println(Udp.remotePort());
// We've received a packet, read the data from it into the buffer
Udp.read(packetBuffer, NTP_PACKET_SIZE);
// the timestamp starts at byte 40 of the received packet and is four bytes,
// or two words, long. First, esxtract the two words:
unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);
// 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);
// now convert NTP time into )everyday time:
Serial.print(F("Unix time = "));
// Unix time starts on Jan 1 1970. In seconds, that's 2208988800:
const unsigned long seventyYears = 2208988800UL;
// subtract seventy years:
unsigned long epoch = secsSince1900 - seventyYears;
// print Unix time:
Serial.println(epoch);
// print the hour, minute and second:
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)
{
// 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)
{
// 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);
}

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/****************************************************************************************************************************
UDPSendReceive.ino - Simple Arduino web server sample for ESP8266/ESP32 AT-command shield
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
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 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
// A UDP instance to let us send and receive packets over UDP
WiFiUDP Udp;
// send an NTP request to the time server at the given address
void sendNTPpacket(char *ntpSrv)
{
// set all bytes in the buffer to 0
memset(packetBuffer, 0, NTP_PACKET_SIZE);
// Initialize values needed to form NTP request
// (see URL above for details on the packets)
packetBuffer[0] = 0b11100011; // LI, Version, Mode
packetBuffer[1] = 0; // Stratum, or type of clock
packetBuffer[2] = 6; // Polling Interval
packetBuffer[3] = 0xEC; // Peer Clock Precision
// 8 bytes of zero for Root Delay & Root Dispersion
packetBuffer[12] = 49;
packetBuffer[13] = 0x4E;
packetBuffer[14] = 49;
packetBuffer[15] = 52;
// all NTP fields have been given values, now
// you can send a packet requesting a timestamp:
Udp.beginPacket(ntpSrv, 123); //NTP requests are to port 123
Udp.write(packetBuffer, NTP_PACKET_SIZE);
Udp.endPacket();
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart UDPSendReceive on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
Serial.println(F("\nStarting connection to server..."));
// if you get a connection, report back via serial:
Udp.begin(localPort);
Serial.print(F("Listening on port "));
Serial.println(localPort);
}
void loop()
{
sendNTPpacket(timeServer); // send an NTP packet to a time server
// 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
int packetSize = Udp.parsePacket();
if (packetSize)
{
Serial.print(F("UDP Packet received, size "));
Serial.println(packetSize);
Serial.print(F("From "));
IPAddress remoteIp = Udp.remoteIP();
Serial.print(remoteIp);
Serial.print(F(", port "));
Serial.println(Udp.remotePort());
// We've received a packet, read the data from it into the buffer
Udp.read(packetBuffer, NTP_PACKET_SIZE);
// the timestamp starts at byte 40 of the received packet and is four bytes,
// or two words, long. First, esxtract the two words:
unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);
// 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);
// now convert NTP time into )everyday time:
Serial.print(F("Unix time = "));
// Unix time starts on Jan 1 1970. In seconds, that's 2208988800:
const unsigned long seventyYears = 2208988800UL;
// subtract seventy years:
unsigned long epoch = secsSince1900 - seventyYears;
// print Unix time:
Serial.println(epoch);
// print the hour, minute and second:
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)
{
// 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)
{
// 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);
}

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/****************************************************************************************************************************
WebClient.ino - Simple Arduino web server sample for Ethernet shield
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
char server[] = "arduino.tips";
// Initialize the Ethernet client object
WiFiClient client;
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart WebClient on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
// KH, Dynamic not OK yet
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
Serial.println();
Serial.println(F("Starting connection to server..."));
// if you get a connection, report back via serial
if (client.connect(server, 80))
{
Serial.println(F("Connected to server"));
// Make a HTTP request
client.println(F("GET /asciilogo.txt HTTP/1.1"));
client.println(F("Host: arduino.tips"));
client.println(F("Connection: close"));
client.println();
}
}
void printoutData()
{
// if there are incoming bytes available
// from the server, read them and print them
while (client.available())
{
char c = client.read();
Serial.write(c);
Serial.flush();
}
}
void loop()
{
printoutData();
// if the server's disconnected, stop the client
if (!client.connected())
{
Serial.println();
Serial.println(F("Disconnecting from server..."));
client.stop();
// do nothing forever
while (true)
yield();
}
}

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/****************************************************************************************************************************
WebClientRepeating.ino - Simple Arduino web server sample for Ethernet shield
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
/*
The Arduino board communicates with the shield using the SPI bus. This is on digital pins 11, 12, and 13 on the Uno
and pins 50, 51, and 52 on the Mega. On both boards, pin 10 is used as SS. On the Mega, the hardware SS pin, 53,
is not used to select the Ethernet controller chip, but it must be kept as an output or the SPI interface won't work.
*/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
char server[] = "arduino.tips";
unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
const unsigned long postingInterval = 10000L; // delay between updates, in milliseconds
// Initialize the Web client object
WiFiClient client;
// this method makes a HTTP connection to the server
void httpRequest()
{
Serial.println();
// close any connection before send a new request
// this will free the socket on the WiFi shield
client.stop();
// if there's a successful connection
if (client.connect(server, 80))
{
Serial.println(F("Connecting..."));
// send the HTTP PUT request
client.println(F("GET /asciilogo.txt HTTP/1.1"));
client.println(F("Host: arduino.tips"));
client.println(F("Connection: close"));
client.println();
// note the time that the connection was made
lastConnectionTime = millis();
}
else
{
// if you couldn't make a connection
Serial.println(F("Connection failed"));
}
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart WebClientRepeating on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
}
void loop()
{
// if there's incoming data from the net connection send it out the serial port
// this is for debugging purposes only
while (client.available())
{
char c = client.read();
Serial.write(c);
Serial.flush();
}
// if 10 seconds have passed since your last connection,
// then connect again and send data
if (millis() - lastConnectionTime > postingInterval)
{
httpRequest();
}
}

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/****************************************************************************************************************************
WebServer.ino - Simple Arduino web server sample for Ethernet shield
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WiFiServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
int reqCount = 0; // number of requests received
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart WebServer on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
// start the web server on port 80
server.begin();
}
void loop()
{
// listen for incoming clients
WiFiClient client = server.available();
if (client)
{
Serial.println(F("New client"));
// an http request ends with a blank line
bool currentLineIsBlank = true;
while (client.connected())
{
if (client.available())
{
char c = client.read();
Serial.write(c);
// if you've gotten to the end of the line (received a newline
// character) and the line is blank, the http request has ended,
// so you can send a reply
if (c == '\n' && currentLineIsBlank)
{
Serial.println(F("Sending response"));
// send a standard http response header
// use \r\n instead of many println statements to speedup data send
client.print(
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/html\r\n"
"Connection: close\r\n" // the connection will be closed after completion of the response
"Refresh: 20\r\n" // refresh the page automatically every 20 sec
"\r\n");
client.print("<!DOCTYPE HTML>\r\n");
client.print("<html>\r\n");
client.print(String("<h2>Hello World from ") + BOARD_NAME + "!</h2>\r\n");
client.print("Requests received: ");
client.print(++reqCount);
client.print("<br>\r\n");
client.print("<br>\r\n");
client.print("</html>\r\n");
break;
}
if (c == '\n')
{
// you're starting a new line
currentLineIsBlank = true;
}
else if (c != '\r')
{
// you've gotten a character on the current line
currentLineIsBlank = false;
}
}
}
// give the web browser time to receive the data
delay(10);
// close the connection:
client.stop();
Serial.println(F("Client disconnected"));
}
}

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/****************************************************************************************************************************
multiFileProject.cpp
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
// To demo how to include files in multi-file Projects
#include "multiFileProject.h"

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/****************************************************************************************************************************
multiFileProject.h
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
// To demo how to include files in multi-file Projects
#pragma once
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 1
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
// Can be included as many times as necessary, without `Multiple Definitions` Linker Error
#include "WebServer_ESP32_W5500.hpp"

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/****************************************************************************************************************************
multiFileProject.ino
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
// To demo how to include files in multi-file Projects
#include "multiFileProject.h"
// Can be included as many times as necessary, without `Multiple Definitions` Linker Error
#include "WebServer_ESP32_W5500.h"
void setup()
{
Serial.begin(115200);
while (!Serial);
delay(500);
Serial.println("\nStart multiFileProject");
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
Serial.print("You're OK now");
}
void loop()
{
// put your main code here, to run repeatedly:
}