Internet Temperature Station

1#include <SPI.h>
2#include <Ethernet.h>
3#include <OneWire.h>
4#include   <DallasTemperature.h>
5
6#define ONE_WIRE_BUS 2
7// Setup a oneWire instance   to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
8OneWire   oneWire(ONE_WIRE_BUS);
9// Pass our oneWire reference to Dallas Temperature.
10DallasTemperature   sensors(&oneWire);
11// MAC address for shield
12byte mac[] = { 0xDE, 0xAD, 0xBE,   0xEF, 0xFE, 0xED};
13EthernetServer server(80); // Using port 80
14
15void setup(void)   {
16  sensors.begin();
17
18  Ethernet.begin(mac); // Start the Ethernet shield
19   server.begin();
20  Serial.begin(9600); // Start serial communication
21  Serial.println("Server   address:"); // Print server address
22  // (Arduino shield)
23  Serial.println(Ethernet.localIP());
24}
25void   loop(void) {
26  sensors.begin();
27  sensors.requestTemperatures(); // Send the   command to get temperatures
28  EthernetClient client = server.available();
29   if (client) {
30    boolean currentLineIsBlank = true;
31    String buffer =   "";
32    while (client.connected()) {
33      if (client.available()) {
34         char c = client.read(); // Read from the Ethernet shield
35        buffer   += c; // Add character to string buffer
36        // Client sent request, now waiting   for response
37        if (c == '\
38' && currentLineIsBlank) {
39          sensors.requestTemperatures();   // Send the command to get temperatures
40          client.println("HTTP/1.1 200   OK"); // HTTP response
41          client.println("Content-Type: text/html");
42           client.println(); // HTML code
43          client.print("<center><br><h1>Current   room temperature: ");
44          client.print(sensors.getTempCByIndex(0));
45           client.print(" C </h1><br><br><br><FORM>");
46          client.print("<P>   <INPUT type=\\"submit\\" name=\\"status\\" value=\\"Update temeprature\\">");
47           client.print("</FORM></center>");
48
49          break;
50        }
51         if (c == '\
52') {
53          currentLineIsBlank = true;
54          buffer   = "";
55        }
56        else if (c == '\
') { // Command from webpage
57           // Did the on button get pressed
58          if (buffer.indexOf("GET   /?status=Update temprature") >= 0)
59             sensors.requestTemperatures();   // Send the command to get temperatures
60         
61        }
62        else   {
63          currentLineIsBlank = false;
64        }
65      }
66    }
67     client.stop(); // End server
68  }
69}

1#include <SPI.h>
2#include <Ethernet.h>
3#include <OneWire.h>
4#include  <DallasTemperature.h>
5
6#define ONE_WIRE_BUS 2
7// Setup a oneWire instance  to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
8OneWire  oneWire(ONE_WIRE_BUS);
9// Pass our oneWire reference to Dallas Temperature.
10DallasTemperature  sensors(&oneWire);
11// MAC address for shield
12byte mac[] = { 0xDE, 0xAD, 0xBE,  0xEF, 0xFE, 0xED};
13EthernetServer server(80); // Using port 80
14
15void setup(void)  {
16  sensors.begin();
17
18  Ethernet.begin(mac); // Start the Ethernet shield
19  server.begin();
20  Serial.begin(9600); // Start serial communication
21  Serial.println("Server  address:"); // Print server address
22  // (Arduino shield)
23  Serial.println(Ethernet.localIP());
24}
25void  loop(void) {
26  sensors.begin();
27  sensors.requestTemperatures(); // Send the  command to get temperatures
28  EthernetClient client = server.available();
29  if (client) {
30    boolean currentLineIsBlank = true;
31    String buffer =  "";
32    while (client.connected()) {
33      if (client.available()) {
34        char c = client.read(); // Read from the Ethernet shield
35        buffer  += c; // Add character to string buffer
36        // Client sent request, now waiting  for response
37        if (c == '\n' && currentLineIsBlank) {
38          sensors.requestTemperatures();  // Send the command to get temperatures
39          client.println("HTTP/1.1 200  OK"); // HTTP response
40          client.println("Content-Type: text/html");
41          client.println(); // HTML code
42          client.print("<center><br><h1>Current  room temperature: ");
43          client.print(sensors.getTempCByIndex(0));
44          client.print(" C </h1><br><br><br><FORM>");
45          client.print("<P>  <INPUT type=\\"submit\\" name=\\"status\\" value=\\"Update temeprature\\">");
46          client.print("</FORM></center>");
47
48          break;
49        }
50        if (c == '\n') {
51          currentLineIsBlank = true;
52          buffer  = "";
53        }
54        else if (c == '\r') { // Command from webpage
55          // Did the on button get pressed
56          if (buffer.indexOf("GET  /?status=Update temprature") >= 0)
57             sensors.requestTemperatures();  // Send the command to get temperatures
58         
59        }
60        else  {
61          currentLineIsBlank = false;
62        }
63      }
64    }
65    client.stop(); // End server
66  }
67}