نوشتن WebServer در برد Arduino Leonardo

با استفاده از این کد می توانید یک وب سرور ساده راه اندازی نمائید. لازم به ذکر است بدین منظور حتما نیاز به ماژول Ethernet برای اتصال به شبکه دارید.

dev-00049-front_1

#include 
#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, 0, 14); IPAddress dn(8, 8, 8, 8);
IPAddress getw(192, 168, 0, 1);
IPAddress sub(255, 255, 255, 0);
// 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);   while (!Serial) {     ; 
    // wait for serial port to connect. Needed for native USB port only
    }
    // start the Ethernet connection and the server:   
    Ethernet.begin(mac, ip, dn, getw, sub);
    server.begin();
    Serial.print("server is at ");
    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("");           
                        // output the value of each analog input pin           
                        for (int analogChannel = 0; analogChannel < 6; analogChannel++) 
                        {             
                            int sensorReading = analogRead(analogChannel);             
                            client.print("analog input ");             
                            client.print(analogChannel);             
                            client.print(" is ");             
                            client.print(sensorReading);             
                            client.println("");           
                        }           
                        client.println("");           
                        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");     
            Ethernet.maintain();   
        } 
    }

نویسنده: میلاد خوشدل


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