diff options
Diffstat (limited to 'libraries/Ethernet/examples')
5 files changed, 150 insertions, 83 deletions
diff --git a/libraries/Ethernet/examples/ChatServer/ChatServer.ino b/libraries/Ethernet/examples/ChatServer/ChatServer.ino index 9f819fd..de75257 100644 --- a/libraries/Ethernet/examples/ChatServer/ChatServer.ino +++ b/libraries/Ethernet/examples/ChatServer/ChatServer.ino @@ -12,7 +12,7 @@ created 18 Dec 2009 by David A. Mellis - modified 10 August 2010 + modified 12 March 2012 by Tom Igoe */ @@ -23,14 +23,16 @@ // Enter a MAC address and IP address for your controller below. // The IP address will be dependent on your local network. // gateway and subnet are optional: -byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; IPAddress ip(192,168,1, 177); IPAddress gateway(192,168,1, 1); IPAddress subnet(255, 255, 0, 0); + // telnet defaults to port 23 EthernetServer server(23); -boolean gotAMessage = false; // whether or not you got a message from the client yet +boolean alreadyConnected = false; // whether or not the client was connected previously void setup() { // initialize the ethernet device @@ -39,25 +41,34 @@ void setup() { server.begin(); // open the serial port Serial.begin(9600); + Serial.print("Chat server address:"); + Serial.println(Ethernet.localIP()); } void loop() { // wait for a new client: EthernetClient client = server.available(); - + // when the client sends the first byte, say hello: if (client) { - if (!gotAMessage) { + if (!alreadyConnected) { + // clead out the input buffer: + client.flush(); Serial.println("We have a new client"); client.println("Hello, client!"); - gotAMessage = true; + alreadyConnected = true; + } + + if (client.available() > 0) { + // read the bytes incoming from the client: + char thisChar = client.read(); + // echo the bytes back to the client: + server.write(thisChar); + // echo the bytes to the server as well: + Serial.write(thisChar); } - - // read the bytes incoming from the client: - char thisChar = client.read(); - // echo the bytes back to the client: - server.write(thisChar); - // echo the bytes to the server as well: - Serial.print(thisChar); } } + + + diff --git a/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino b/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino index a169443..4d4290d 100644 --- a/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino +++ b/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino @@ -6,15 +6,20 @@ the Adafruit Ethernet shield, either one will work, as long as it's got a Wiznet Ethernet module on board. + This example has been updated to use version 2.0 of the Pachube.com API. + To make it work, create a feed with a datastream, and give it the ID + sensor1. Or change the code below to match your feed. + + Circuit: * Analog sensor attached to analog in 0 * Ethernet shield attached to pins 10, 11, 12, 13 created 15 March 2010 - updated 26 Oct 2011 - by Tom Igoe + updated 16 Mar 2012 + by Tom Igoe with input from Usman Haque and Joe Saavedra - http://www.tigoe.net/pcomp/code/category/arduinowiring/873 +http://arduino.cc/en/Tutorial/PachubeClient This code is in the public domain. */ @@ -22,6 +27,10 @@ #include <SPI.h> #include <Ethernet.h> +#define APIKEY "YOUR API KEY GOES HERE" // replace your pachube api key here +#define FEEDID 00000 // replace your feed ID +#define USERAGENT "My Project" // user agent is the project name + // assign a MAC address for the ethernet controller. // Newer Ethernet shields have a MAC address printed on a sticker on the shield // fill in your address here: @@ -34,26 +43,22 @@ IPAddress ip(10,0,1,20); // initialize the library instance: EthernetClient client; -long lastConnectionTime = 0; // last time you connected to the server, in milliseconds -boolean lastConnected = false; // state of the connection last time through the main loop -const int postingInterval = 10000; //delay between updates to Pachube.com +// if you don't want to use DNS (and reduce your sketch size) +// use the numeric IP instead of the name for the server: +IPAddress server(216,52,233,122); // numeric IP for api.pachube.com +//char server[] = "api.pachube.com"; // name address for pachube API + +unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds +boolean lastConnected = false; // state of the connection last time through the main loop +const unsigned long postingInterval = 10*1000; //delay between updates to Pachube.com void setup() { // start serial port: Serial.begin(9600); - // start the Ethernet connection: + // start the Ethernet connection: if (Ethernet.begin(mac) == 0) { Serial.println("Failed to configure Ethernet using DHCP"); - // no point in carrying on, so do nothing forevermore: - for(;;) - ; - } - // give the ethernet module time to boot up: - delay(1000); - // start the Ethernet connection: - if (Ethernet.begin(mac) == 0) { - Serial.println("Failed to configure Ethernet using DHCP"); - // Configure manually: + // DHCP failed, so use a fixed IP address: Ethernet.begin(mac, ip); } } @@ -91,34 +96,43 @@ void loop() { // this method makes a HTTP connection to the server: void sendData(int thisData) { // if there's a successful connection: - if (client.connect("www.pachube.com", 80)) { + if (client.connect(server, 80)) { Serial.println("connecting..."); - // send the HTTP PUT request. - // fill in your feed address here: - client.print("PUT /api/YOUR_FEED_HERE.csv HTTP/1.1\n"); - client.print("Host: www.pachube.com\n"); - // fill in your Pachube API key here: - client.print("X-PachubeApiKey: YOUR_KEY_HERE\n"); + // send the HTTP PUT request: + client.print("PUT /v2/feeds/"); + client.print(FEEDID); + client.println(".csv HTTP/1.1"); + client.println("Host: api.pachube.com"); + client.print("X-PachubeApiKey: "); + client.println(APIKEY); + client.print("User-Agent: "); + client.println(USERAGENT); client.print("Content-Length: "); // calculate the length of the sensor reading in bytes: - int thisLength = getLength(thisData); - client.println(thisLength, DEC); + // 8 bytes for "sensor1," + number of digits of the data: + int thisLength = 8 + getLength(thisData); + client.println(thisLength); // last pieces of the HTTP PUT request: - client.print("Content-Type: text/csv\n"); - client.println("Connection: close\n"); + client.println("Content-Type: text/csv"); + client.println("Connection: close"); + client.println(); // here's the actual content of the PUT request: - client.println(thisData, DEC); - - // note the time that the connection was made: - lastConnectionTime = millis(); + client.print("sensor1,"); + client.println(thisData); + } else { // if you couldn't make a connection: Serial.println("connection failed"); + Serial.println(); + Serial.println("disconnecting."); + client.stop(); } + // note the time that the connection was made or attempted: + lastConnectionTime = millis(); } diff --git a/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino index 4a03100..3535287 100644 --- a/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino +++ b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino @@ -6,6 +6,10 @@ the Adafruit Ethernet shield, either one will work, as long as it's got a Wiznet Ethernet module on board. + This example has been updated to use version 2.0 of the Pachube.com API. + To make it work, create a feed with two datastreams, and give them the IDs + sensor1 and sensor2. Or change the code below to match your feed. + This example uses the String library, which is part of the Arduino core from version 0019. @@ -14,9 +18,10 @@ * Ethernet shield attached to pins 10, 11, 12, 13 created 15 March 2010 - updated 26 Oct 2011 - by Tom Igoe + updated 16 Mar 2012 + by Tom Igoe with input from Usman Haque and Joe Saavedra + http://arduino.cc/en/Tutorial/PachubeClientString This code is in the public domain. */ @@ -24,9 +29,14 @@ #include <SPI.h> #include <Ethernet.h> + +#define APIKEY "YOUR API KEY GOES HERE" // replace your pachube api key here +#define FEEDID 00000 // replace your feed ID +#define USERAGENT "My Project" // user agent is the project name + // assign a MAC address for the ethernet controller. // fill in your address here: -byte mac[] = { + byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; // fill in an available IP address on your network here, // for manual configuration: @@ -35,9 +45,14 @@ IPAddress ip(10,0,1,20); // initialize the library instance: EthernetClient client; -long lastConnectionTime = 0; // last time you connected to the server, in milliseconds -boolean lastConnected = false; // state of the connection last time through the main loop -const int postingInterval = 10000; //delay between updates to Pachube.com +// if you don't want to use DNS (and reduce your sketch size) +// use the numeric IP instead of the name for the server: +//IPAddress server(216,52,233,122); // numeric IP for api.pachube.com +char server[] = "api.pachube.com"; // name address for pachube API + +unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds +boolean lastConnected = false; // state of the connection last time through the main loop +const unsigned long postingInterval = 10*1000; //delay between updates to Pachube.com void setup() { // start serial port: @@ -47,7 +62,7 @@ void setup() { // start the Ethernet connection: if (Ethernet.begin(mac) == 0) { Serial.println("Failed to configure Ethernet using DHCP"); - // Configure manually: + // DHCP failed, so use a fixed IP address: Ethernet.begin(mac, ip); } } @@ -56,13 +71,15 @@ void loop() { // read the analog sensor: int sensorReading = analogRead(A0); // convert the data to a String to send it: - String dataString = String(sensorReading); + + String dataString = "sensor1,"; + dataString += sensorReading; // you can append multiple readings to this String if your // pachube feed is set up to handle multiple values: int otherSensorReading = analogRead(A1); - dataString += ","; - dataString += String(otherSensorReading); + dataString += "\nsensor2,"; + dataString += otherSensorReading; // if there's incoming data from the net connection. // send it out the serial port. This is for debugging @@ -81,7 +98,7 @@ void loop() { } // if you're not connected, and ten seconds have passed since - // your last connection, then connect again and send data: + // your last connection, then connect again and send data: if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) { sendData(dataString); } @@ -93,29 +110,36 @@ void loop() { // this method makes a HTTP connection to the server: void sendData(String thisData) { // if there's a successful connection: - if (client.connect("www.pachube.com", 80)) { + if (client.connect(server, 80)) { Serial.println("connecting..."); - // send the HTTP PUT request. - // fill in your feed address here: - client.print("PUT /api/YOUR_FEED_HERE.csv HTTP/1.1\n"); - client.print("Host: www.pachube.com\n"); - // fill in your Pachube API key here: - client.print("X-PachubeApiKey: YOUR_KEY_HERE\n"); + // send the HTTP PUT request: + client.print("PUT /v2/feeds/"); + client.print(FEEDID); + client.println(".csv HTTP/1.1"); + client.println("Host: api.pachube.com"); + client.print("X-PachubeApiKey: "); + client.println(APIKEY); + client.print("User-Agent: "); + client.println(USERAGENT); client.print("Content-Length: "); - client.println(thisData.length(), DEC); + client.println(thisData.length()); // last pieces of the HTTP PUT request: - client.print("Content-Type: text/csv\n"); - client.println("Connection: close\n"); + client.println("Content-Type: text/csv"); + client.println("Connection: close"); + client.println(); // here's the actual content of the PUT request: client.println(thisData); - - // note the time that the connection was made: - lastConnectionTime = millis(); } else { // if you couldn't make a connection: Serial.println("connection failed"); + Serial.println(); + Serial.println("disconnecting."); + client.stop(); } + // note the time that the connection was made or attempted: + lastConnectionTime = millis(); } + diff --git a/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino b/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino index f113e17..a3b397d 100644 --- a/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino +++ b/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino @@ -14,7 +14,7 @@ version 0019. Circuit: - * Ethernet shield attached to pins 10, 11, 12, 13 + * Ethernet shield attached to pins 10, 11, 12, 13 created 21 May 2011 by Tom Igoe @@ -35,12 +35,12 @@ IPAddress ip(192,168,1,20); // initialize the library instance: EthernetClient client; -const int requestInterval = 60000; // delay between requests +const unsigned long requestInterval = 60000; // delay between requests char serverName[] = "api.twitter.com"; // twitter URL boolean requested; // whether you've made a request since connecting -long lastAttemptTime = 0; // last time you connected to the server, in milliseconds +unsigned long lastAttemptTime = 0; // last time you connected to the server, in milliseconds String currentLine = ""; // string to hold the text from server String tweet = ""; // string to hold the tweet @@ -51,13 +51,17 @@ void setup() { currentLine.reserve(256); tweet.reserve(150); -// initialize serial: + // initialize serial: Serial.begin(9600); // attempt a DHCP connection: + Serial.println("Attempting to get an IP address using DHCP:"); if (!Ethernet.begin(mac)) { // if DHCP fails, start with a hard-coded address: + Serial.println("failed to get an IP address using DHCP, trying manually"); Ethernet.begin(mac, ip); } + Serial.print("My address:"); + Serial.println(Ethernet.localIP()); // connect to Twitter: connectToServer(); } @@ -114,7 +118,7 @@ void connectToServer() { Serial.println("connecting to server..."); if (client.connect(serverName, 80)) { Serial.println("making HTTP request..."); - // make HTTP GET request to twitter: + // make HTTP GET request to twitter: client.println("GET /1/statuses/user_timeline.xml?screen_name=arduino&count=1 HTTP/1.1"); client.println("HOST: api.twitter.com"); client.println(); @@ -122,3 +126,4 @@ void connectToServer() { // note the time of this connect attempt: lastAttemptTime = millis(); } + diff --git a/libraries/Ethernet/examples/WebServer/WebServer.ino b/libraries/Ethernet/examples/WebServer/WebServer.ino index 6837f83..7cf2c53 100644 --- a/libraries/Ethernet/examples/WebServer/WebServer.ino +++ b/libraries/Ethernet/examples/WebServer/WebServer.ino @@ -10,7 +10,7 @@ created 18 Dec 2009 by David A. Mellis - modified 4 Sep 2010 + modified 20 Mar 2012 by Tom Igoe */ @@ -20,7 +20,8 @@ // 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 }; +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; IPAddress ip(192,168,1, 177); // Initialize the Ethernet server library @@ -28,23 +29,27 @@ IPAddress ip(192,168,1, 177); // (port 80 is default for HTTP): EthernetServer server(80); -void setup() -{ +void setup() { + Serial.begin(9600); // start the Ethernet connection and the server: Ethernet.begin(mac, ip); server.begin(); + Serial.print("server is at "); + Serial.println(Ethernet.localIP()); } -void loop() -{ + +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 @@ -52,16 +57,22 @@ void loop() // send a standard http response header client.println("HTTP/1.1 200 OK"); client.println("Content-Type: text/html"); + client.println("Connnection: close"); client.println(); - + client.println("<!DOCTYPE HTML>"); + client.println("<html>"); + // add a meta refresh tag, so the browser pulls again every 5 seconds: + client.println("<meta http-equiv=\"refresh\" content=\"5\">"); // 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(analogRead(analogChannel)); - client.println("<br />"); + client.print(sensorReading); + client.println("<br />"); } + client.println("</html>"); break; } if (c == '\n') { @@ -78,5 +89,7 @@ void loop() delay(1); // close the connection: client.stop(); + Serial.println("client disonnected"); } } + |