Reef Angel Forum

Code: Select all

/*
  Web Server

 A simple web server that shows the value of the analog input pins.
 using an Arduino Wiznet Ethernet shield. 

 Circuit:
 * Ethernet shield attached to pins 10, 11, 12, 13
 * Analog inputs attached to pins A0 through A5 (optional)

 created 18 Dec 2009
 by David A. Mellis
 modified 9 Apr 2012
 by Tom Igoe

 */

#include <SPI.h>
#include <Ethernet.h>

// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
byte mac[] = { 
  0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 };
IPAddress ip(192,168,1, 177);
IPAddress remoteserver(198,171,134,6); // www.reefangel.com
EthernetClient clientout;
unsigned long lastmillisout=millis();
unsigned long lastmillisin=millis();
boolean sending=false;
char strout[600];

// Initialize the Ethernet server library
// with the IP address and port you want to use 
// (port 80 is default for HTTP):
EthernetServer server(2000);

void setup() {
  // Open serial communications and wait for port to open:
  Serial.begin(57600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for Leonardo only
  }


  // start the Ethernet connection and the server:
  Ethernet.begin(mac);
  server.begin();
//  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()) {
      while (client.available()) {
        char c = client.read();
        if (sending==false) Serial.write(c);
        lastmillisin=millis();        
      }
      while (Serial.available()){
        memset(strout,0,sizeof(strout));
        int b=Serial.readBytesUntil('>',strout,sizeof(strout));
//        Serial.flush();
        client.print(strout);
        client.print(">");
//        char c = Serial.read();
//        client.print(c);
        if (millis()-lastmillisin>2000)
        {
//          Serial.println("Timeout incoming");
          Serial.flush();
          lastmillisin=millis();
          client.stop();
        }
      }
      if (millis()-lastmillisin>2000)
      {
//        Serial.println("Timeout incoming");
        Serial.flush();
        lastmillisin=millis();
        client.stop();
      }
    }
    // give the web browser time to receive the data
    delay(1);
    // close the connection:
    client.stop();
    //    Serial.println("client disonnected");
  }
  else
  {
    if (Serial.available())
    {
      memset(strout,0,sizeof(strout)-1);
      int b=Serial.readBytesUntil('\n',strout,sizeof(strout)-1);
      Serial.flush();
//      Serial.println(b);
//      Serial.println("Connecting");
      if (b>10)
      {
        sending=true;
//        Serial.println(strout);
//        Serial.println(" HTTP/1.0");
//        Serial.println();
        if (clientout.connect(remoteserver, 80)) 
        {
//          Serial.println("Connected");
          //        while (Serial.available()){
          //          char c = Serial.read();
          //          clientout.print(c);
          //        }
          clientout.println(strout);
//          clientout.println(" HTTP/1.0");
          clientout.println();
          lastmillisout=millis();
        }
      }
    }
    while (clientout.available()) {
      char c = clientout.read();
      Serial.print(c);
      if (millis()-lastmillisout>8000)
      {
//        Serial.println("Timeout connected");
        lastmillisout=millis();
        clientout.stop();
        sending=false;
      }
    }
    if (!clientout.connected())
    {
      clientout.stop();
      sending=false;
    }
  }
  if (millis()-lastmillisout>8000)
  {
//    Serial.println("Timeout global");
    lastmillisout=millis();
    clientout.stop();
    sending=false;
  }

}

// GET /index.html HTTP/1.0

//GET /status/submitp.aspx?t1=806&t2=0&t3=0&ph=441&id=test&em=0&rem=0&key=&atohigh=0&atolow=0&r=0&ron=0&roff=255 HTTP/1.0

//GET /status/submitp.asp?t1=806&t2=0&t3=0&ph=441&id=test&em=0&rem=0&key=&atohigh=0&atolow=0&r=0&ron=0&roff=255 HTTP/1.0
//Host: forum.reefangel.com
//
//GET /status/submitp.aspx?t1=806&t2=0&t3=0&ph=441&id=test&em=0&rem=0&key=&atohigh=0&atolow=0&r=0&ron=0&roff=255 HTTP/1.0
//Host: forum.reefangel.com
//Connection: Keep-Alive