/* ___ ___ ___ _ _ ___ ___ ____ ___ ____ * / _ \ /___)/ _ \| | | |/ _ \ / _ \ / ___) _ \| \ *| |_| |___ | |_| | |_| | |_| | |_| ( (__| |_| | | | | * \___/(___/ \___/ \__ |\___/ \___(_)____)___/|_|_|_| * (____/ * Osoyoo W5100 web server lesson 1 * * tutorial url: http://osoyoo.com/?p=29578 */ #include // Enter a MAC address and IP address for your controller below. // The IP address will be dependent on your local network: byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; //IPAddress ip(192.168.50.109); uncomment this line if you want define static IP instead of dynamic IP from DHCP server // Initialize the Ethernet server library // with the IP address and port you want to use // (port 80 is default for HTTP): EthernetServer server(80); void setup() { // Open serial communications and wait for port to open: Serial.begin(9600); Serial.println("waiting for DHCP IP..."); /* while (!Serial) { ; // wait for serial port to connect. Needed for native USB port only } */ // start the Ethernet connection and the server: Ethernet.begin(mac); // if you defined static ip in line 28, change this line to Ethernet.begin(mac,ip); server.begin(); Serial.print("Please use your browser to visit http://"); Serial.println(Ethernet.localIP()); } void loop() { // listen for incoming clients EthernetClient client = server.available(); if (client) { Serial.println("new client"); // an http request ends with a blank line boolean 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) { // send a standard http response header client.println("HTTP/1.1 200 OK"); client.println("Content-Type: text/html"); client.println("Connection: close"); // the connection will be closed after completion of the response client.println("Refresh: 5"); // refresh the page automatically every 5 sec client.println(); client.println(""); client.println("

Osoyoo Ethernet IoT Lesson 1

Hello World!"); 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(1); // close the connection: client.stop(); Serial.println("client disconnected"); } }