網頁文章 javax.portlet.title.56

 使用Arduino Web Server控制燈ON/OFF

 

 

#include <SPI.h>
#include <Ethernet.h>
 
String readString = String(50);
byte mac[] = {
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
};
IPAddress ip(192, 168,0,77);
 
EthernetServer server(80);
 
void setup() {
  // Open serial communications and wait for port to open:
   pinMode(4, OUTPUT);
   Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for Leonardo only
  }
 
 
  // start the Ethernet connection and the server:
  Ethernet.begin(mac, ip);
  server.begin();
  Serial.print("N303 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);
        readString += c;
        
        if(readString.indexOf("LED=ON") >0)//replaces if(readString.contains("L=1"))
           {
             //Serial.println("HiGH   .........");
             digitalWrite(4, HIGH);    // set the LED on
           }
          else if (readString.indexOf("LED=OFF") >0)
            {
             // Serial.println("LOW ........LOW");
              digitalWrite(4,LOW);
             
            }
           else{
            
             digitalWrite(4, HIGH);    // set the LED OFF
          }
        
        
        if (c == '\n' && currentLineIsBlank) {
          // send a standard http response header
          readString="";
          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("<!DOCTYPE HTML>");
          client.println("<html>");
          // 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("<br />");
          }
          client.println("</html>");
          break;
        }
        if (c == '\n') {
          currentLineIsBlank = true;
         //readString="";
        }
        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");
  }
}
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#include <SPI.h>
#include <Ethernet.h>
 
String readString = String(50);
byte mac[] = {
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
};
IPAddress ip(192, 168, 0, 70);
EthernetServer server(80);
 
void setup() {
  pinMode(4, OUTPUT);
  Serial.begin(9600);
  while (!Serial) {
    ;
  }
 
  Ethernet.begin(mac, ip);
  server.begin();
  Serial.print("N303 server is at ");
  Serial.println(Ethernet.localIP());
}
 
void loop() {
  EthernetClient client = server.available();
  if (client) {
    Serial.println("new client");
    boolean currentLineIsBlank = true;
    while (client.connected()) {
      if (client.available()) {
        char c = client.read();
        Serial.write(c);
        readString += c;
 
        if (readString.indexOf("LED=ON") > 0) //replaces if(readString.contains("L=1"))
        {
          digitalWrite(4, HIGH);    // set the LED on
        }
        else if (readString.indexOf("LED=OFF") > 0)
        {
          digitalWrite(4, LOW);
        }
        
        if (c == '\n' && currentLineIsBlank) {
          readString = "";
          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("<!DOCTYPE HTML>");
          client.println("<html>");
          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("<br />");
          }
          
          client.println("<P> <a href=\"http://192.168.0.70/LED=ON\"> LED ON </a> <br>");
          client.println("<a href=\"http://192.168.0.70/LED=OFF\"> LED OFF </a> <P>");
  
          client.print("<FORM action=\"http://192.168.0.70/\" >");
          client.print("<P> <INPUT type=\"radio\" name=\"LED\" value=\"ON\">ON");
          client.print("<P> <INPUT type=\"radio\" name=\"LED\" value=\"OFF\">OFF");
          client.print("<P> <INPUT type=\"submit\" value=\"Submit\"> </FORM>");
 
          client.println("</html>");
          break;
        }        
        if (c == '\n') {
          currentLineIsBlank = true;
        }
        else if (c != '\r') {
          currentLineIsBlank = false;
        }
      }
    }
    delay(1);
    client.stop();
    Serial.println("client disconnected");
  }
}