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Diffstat (limited to 'libraries/Ethernet/examples')
16 files changed, 1929 insertions, 0 deletions
diff --git a/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino b/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino new file mode 100644 index 0000000..bfbcb6d --- /dev/null +++ b/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino @@ -0,0 +1,222 @@ +/* + SCP1000 Barometric Pressure Sensor Display + + Serves the output of a Barometric Pressure Sensor as a web page. + Uses the SPI library. For details on the sensor, see: + http://www.sparkfun.com/commerce/product_info.php?products_id=8161 + http://www.vti.fi/en/support/obsolete_products/pressure_sensors/ + + This sketch adapted from Nathan Seidle's SCP1000 example for PIC: + http://www.sparkfun.com/datasheets/Sensors/SCP1000-Testing.zip + + Circuit: + SCP1000 sensor attached to pins 6,7, and 11 - 13: + DRDY: pin 6 + CSB: pin 7 + MOSI: pin 11 + MISO: pin 12 + SCK: pin 13 + + created 31 July 2010 + by Tom Igoe + */ + +#include <Ethernet.h> +// the sensor communicates using SPI, so include the library: +#include <SPI.h> + + +// assign a MAC address for the ethernet controller. +// fill in your address here: +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; +// assign an IP address for the controller: +IPAddress ip(192,168,1,20); +IPAddress gateway(192,168,1,1); +IPAddress subnet(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); + + +//Sensor's memory register addresses: +const int PRESSURE = 0x1F; //3 most significant bits of pressure +const int PRESSURE_LSB = 0x20; //16 least significant bits of pressure +const int TEMPERATURE = 0x21; //16 bit temperature reading + +// pins used for the connection with the sensor +// the others you need are controlled by the SPI library): +const int dataReadyPin = 6; +const int chipSelectPin = 7; + +float temperature = 0.0; +long pressure = 0; +long lastReadingTime = 0; + +void setup() { + // start the SPI library: + SPI.begin(); + + // start the Ethernet connection and the server: + Ethernet.begin(mac, ip); + server.begin(); + + // initalize the data ready and chip select pins: + pinMode(dataReadyPin, INPUT); + pinMode(chipSelectPin, OUTPUT); + + Serial.begin(9600); + + //Configure SCP1000 for low noise configuration: + writeRegister(0x02, 0x2D); + writeRegister(0x01, 0x03); + writeRegister(0x03, 0x02); + + // give the sensor and Ethernet shield time to set up: + delay(1000); + + //Set the sensor to high resolution mode tp start readings: + writeRegister(0x03, 0x0A); + +} + +void loop() { + // check for a reading no more than once a second. + if (millis() - lastReadingTime > 1000){ + // if there's a reading ready, read it: + // don't do anything until the data ready pin is high: + if (digitalRead(dataReadyPin) == HIGH) { + getData(); + // timestamp the last time you got a reading: + lastReadingTime = millis(); + } + } + + // listen for incoming Ethernet connections: + listenForEthernetClients(); +} + + +void getData() { + Serial.println("Getting reading"); + //Read the temperature data + int tempData = readRegister(0x21, 2); + + // convert the temperature to celsius and display it: + temperature = (float)tempData / 20.0; + + //Read the pressure data highest 3 bits: + byte pressureDataHigh = readRegister(0x1F, 1); + pressureDataHigh &= 0b00000111; //you only needs bits 2 to 0 + + //Read the pressure data lower 16 bits: + unsigned int pressureDataLow = readRegister(0x20, 2); + //combine the two parts into one 19-bit number: + pressure = ((pressureDataHigh << 16) | pressureDataLow)/4; + + Serial.print("Temperature: "); + Serial.print(temperature); + Serial.println(" degrees C"); + Serial.print("Pressure: " + String(pressure)); + Serial.println(" Pa"); +} + +void listenForEthernetClients() { + // listen for incoming clients + EthernetClient client = server.available(); + if (client) { + Serial.println("Got a client"); + // an http request ends with a blank line + boolean currentLineIsBlank = true; + while (client.connected()) { + if (client.available()) { + char c = client.read(); + // 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(); + // print the current readings, in HTML format: + client.print("Temperature: "); + client.print(temperature); + client.print(" degrees C"); + client.println("<br />"); + client.print("Pressure: " + String(pressure)); + client.print(" Pa"); + client.println("<br />"); + 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(); + } +} + + +//Send a write command to SCP1000 +void writeRegister(byte registerName, byte registerValue) { + // SCP1000 expects the register name in the upper 6 bits + // of the byte: + registerName <<= 2; + // command (read or write) goes in the lower two bits: + registerName |= 0b00000010; //Write command + + // take the chip select low to select the device: + digitalWrite(chipSelectPin, LOW); + + SPI.transfer(registerName); //Send register location + SPI.transfer(registerValue); //Send value to record into register + + // take the chip select high to de-select: + digitalWrite(chipSelectPin, HIGH); +} + + +//Read register from the SCP1000: +unsigned int readRegister(byte registerName, int numBytes) { + byte inByte = 0; // incoming from the SPI read + unsigned int result = 0; // result to return + + // SCP1000 expects the register name in the upper 6 bits + // of the byte: + registerName <<= 2; + // command (read or write) goes in the lower two bits: + registerName &= 0b11111100; //Read command + + // take the chip select low to select the device: + digitalWrite(chipSelectPin, LOW); + // send the device the register you want to read: + int command = SPI.transfer(registerName); + // send a value of 0 to read the first byte returned: + inByte = SPI.transfer(0x00); + + result = inByte; + // if there's more than one byte returned, + // shift the first byte then get the second byte: + if (numBytes > 1){ + result = inByte << 8; + inByte = SPI.transfer(0x00); + result = result |inByte; + } + // take the chip select high to de-select: + digitalWrite(chipSelectPin, HIGH); + // return the result: + return(result); +} diff --git a/libraries/Ethernet/examples/ChatServer/ChatServer.ino b/libraries/Ethernet/examples/ChatServer/ChatServer.ino new file mode 100644 index 0000000..d50e5a6 --- /dev/null +++ b/libraries/Ethernet/examples/ChatServer/ChatServer.ino @@ -0,0 +1,79 @@ +/* + Chat Server + + A simple server that distributes any incoming messages to all + connected clients. To use telnet to your device's IP address and type. + You can see the client's input in the serial monitor as well. + 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. +// gateway and subnet are optional: +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 alreadyConnected = false; // whether or not the client was connected previously + +void setup() { + // initialize the ethernet device + Ethernet.begin(mac, ip, gateway, subnet); + // start listening for clients + server.begin(); + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + 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 (!alreadyConnected) { + // clead out the input buffer: + client.flush(); + Serial.println("We have a new client"); + client.println("Hello, client!"); + 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); + } + } +} + + + diff --git a/libraries/Ethernet/examples/CosmClient/CosmClient.ino b/libraries/Ethernet/examples/CosmClient/CosmClient.ino new file mode 100644 index 0000000..ec74278 --- /dev/null +++ b/libraries/Ethernet/examples/CosmClient/CosmClient.ino @@ -0,0 +1,161 @@ +/* + Cosm sensor client + + This sketch connects an analog sensor to Cosm (http://www.cosm.com) + using a Wiznet Ethernet shield. You can use the Arduino Ethernet shield, or + 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 cosm.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 14 May 2012 + by Tom Igoe with input from Usman Haque and Joe Saavedra + +http://arduino.cc/en/Tutorial/CosmClient + This code is in the public domain. + + */ + +#include <SPI.h> +#include <Ethernet.h> + +#define APIKEY "YOUR API KEY GOES HERE" // replace your Cosm 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: +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; + +// fill in an available IP address on your network here, +// for manual configuration: +IPAddress ip(10,0,1,20); + +// initialize the library instance: +EthernetClient client; + +// 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(216,52,233,121); // numeric IP for api.cosm.com +char server[] = "api.cosm.com"; // name address for cosm 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 = 10L*1000L; // delay between updates to cosm.com + // the "L" is needed to use long type numbers + + +void setup() { + // start serial port: + Serial.begin(9600); + // start the Ethernet connection: + if (Ethernet.begin(mac) == 0) { + Serial.println("Failed to configure Ethernet using DHCP"); + // DHCP failed, so use a fixed IP address: + Ethernet.begin(mac, ip); + } +} + +void loop() { + // read the analog sensor: + int sensorReading = analogRead(A0); + + // if there's incoming data from the net connection. + // send it out the serial port. This is for debugging + // purposes only: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // if there's no net connection, but there was one last time + // through the loop, then stop the client: + if (!client.connected() && lastConnected) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + } + + // if you're not connected, and ten seconds have passed since + // your last connection, then connect again and send data: + if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) { + sendData(sensorReading); + } + // store the state of the connection for next time through + // the loop: + lastConnected = client.connected(); +} + +// this method makes a HTTP connection to the server: +void sendData(int thisData) { + // if there's a successful connection: + if (client.connect(server, 80)) { + Serial.println("connecting..."); + // send the HTTP PUT request: + client.print("PUT /v2/feeds/"); + client.print(FEEDID); + client.println(".csv HTTP/1.1"); + client.println("Host: api.cosm.com"); + client.print("X-ApiKey: "); + client.println(APIKEY); + client.print("User-Agent: "); + client.println(USERAGENT); + client.print("Content-Length: "); + + // calculate the length of the sensor reading in bytes: + // 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.println("Content-Type: text/csv"); + client.println("Connection: close"); + client.println(); + + // here's the actual content of the PUT request: + 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(); +} + + +// This method calculates the number of digits in the +// sensor reading. Since each digit of the ASCII decimal +// representation is a byte, the number of digits equals +// the number of bytes: + +int getLength(int someValue) { + // there's at least one byte: + int digits = 1; + // continually divide the value by ten, + // adding one to the digit count for each + // time you divide, until you're at 0: + int dividend = someValue /10; + while (dividend > 0) { + dividend = dividend /10; + digits++; + } + // return the number of digits: + return digits; +} + diff --git a/libraries/Ethernet/examples/CosmClientString/CosmClientString.ino b/libraries/Ethernet/examples/CosmClientString/CosmClientString.ino new file mode 100644 index 0000000..e619924 --- /dev/null +++ b/libraries/Ethernet/examples/CosmClientString/CosmClientString.ino @@ -0,0 +1,146 @@ +/* + Cosm sensor client with Strings + + This sketch connects an analog sensor to Cosm (http://www.cosm.com) + using a Wiznet Ethernet shield. You can use the Arduino Ethernet shield, or + 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 Cosm.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. + + Circuit: + * Analog sensor attached to analog in 0 + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 15 March 2010 + updated 14 May 2012 + by Tom Igoe with input from Usman Haque and Joe Saavedra + + http://arduino.cc/en/Tutorial/CosmClientString + This code is in the public domain. + + */ + +#include <SPI.h> +#include <Ethernet.h> + + +#define APIKEY "YOUR API KEY GOES HERE" // replace your Cosm 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[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; + +// fill in an available IP address on your network here, +// for manual configuration: +IPAddress ip(10,0,1,20); + +// initialize the library instance: +EthernetClient client; + +// 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(216,52,233,121); // numeric IP for api.cosm.com +char server[] = "api.cosm.com"; // name address for Cosm 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 = 10L*1000L; // delay between updates to Cosm.com + // the "L" is needed to use long type numbers +void setup() { + // start serial port: + Serial.begin(9600); + // 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"); + // DHCP failed, so use a fixed IP address: + Ethernet.begin(mac, ip); + } +} + +void loop() { + // read the analog sensor: + int sensorReading = analogRead(A0); + // convert the data to a String to send it: + + String dataString = "sensor1,"; + dataString += sensorReading; + + // you can append multiple readings to this String if your + // Cosm feed is set up to handle multiple values: + int otherSensorReading = analogRead(A1); + dataString += "\nsensor2,"; + dataString += otherSensorReading; + + // if there's incoming data from the net connection. + // send it out the serial port. This is for debugging + // purposes only: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // if there's no net connection, but there was one last time + // through the loop, then stop the client: + if (!client.connected() && lastConnected) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + } + + // if you're not connected, and ten seconds have passed since + // your last connection, then connect again and send data: + if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) { + sendData(dataString); + } + // store the state of the connection for next time through + // the loop: + lastConnected = client.connected(); +} + +// this method makes a HTTP connection to the server: +void sendData(String thisData) { + // if there's a successful connection: + if (client.connect(server, 80)) { + Serial.println("connecting..."); + // send the HTTP PUT request: + client.print("PUT /v2/feeds/"); + client.print(FEEDID); + client.println(".csv HTTP/1.1"); + client.println("Host: api.cosm.com"); + client.print("X-ApiKey: "); + client.println(APIKEY); + client.print("User-Agent: "); + client.println(USERAGENT); + client.print("Content-Length: "); + client.println(thisData.length()); + + // last pieces of the HTTP PUT request: + client.println("Content-Type: text/csv"); + client.println("Connection: close"); + client.println(); + + // here's the actual content of the PUT request: + 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/DhcpAddressPrinter/DhcpAddressPrinter.ino b/libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino new file mode 100644 index 0000000..5eaaf24 --- /dev/null +++ b/libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino @@ -0,0 +1,59 @@ +/* + DHCP-based IP printer + + This sketch uses the DHCP extensions to the Ethernet library + to get an IP address via DHCP and print the address obtained. + using an Arduino Wiznet Ethernet shield. + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 12 April 2011 + modified 9 Apr 2012 + by Tom Igoe + + */ + +#include <SPI.h> +#include <Ethernet.h> + +// Enter a MAC address for your controller below. +// Newer Ethernet shields have a MAC address printed on a sticker on the shield +byte mac[] = { + 0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 }; + +// Initialize the Ethernet client library +// with the IP address and port of the server +// that you want to connect to (port 80 is default for HTTP): +EthernetClient client; + +void setup() { + // Open serial communications and wait for port to open: + Serial.begin(9600); + // this check is only needed on the Leonardo: + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // 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(;;) + ; + } + // print your local IP address: + Serial.print("My IP address: "); + for (byte thisByte = 0; thisByte < 4; thisByte++) { + // print the value of each byte of the IP address: + Serial.print(Ethernet.localIP()[thisByte], DEC); + Serial.print("."); + } + Serial.println(); +} + +void loop() { + +} + + diff --git a/libraries/Ethernet/examples/DhcpChatServer/DhcpChatServer.ino b/libraries/Ethernet/examples/DhcpChatServer/DhcpChatServer.ino new file mode 100644 index 0000000..09cbd43 --- /dev/null +++ b/libraries/Ethernet/examples/DhcpChatServer/DhcpChatServer.ino @@ -0,0 +1,87 @@ +/* + DHCP Chat Server + + A simple server that distributes any incoming messages to all + connected clients. To use telnet to your device's IP address and type. + You can see the client's input in the serial monitor as well. + Using an Arduino Wiznet Ethernet shield. + + THis version attempts to get an IP address using DHCP + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 21 May 2011 + modified 9 Apr 2012 + by Tom Igoe + Based on ChatServer example by David A. Mellis + + */ + +#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. +// gateway and subnet are optional: +byte mac[] = { + 0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 }; +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 + +void setup() { + // Open serial communications and wait for port to open: + Serial.begin(9600); + // this check is only needed on the Leonardo: + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // start the Ethernet connection: + Serial.println("Trying to get an IP address using DHCP"); + if (Ethernet.begin(mac) == 0) { + Serial.println("Failed to configure Ethernet using DHCP"); + // initialize the ethernet device not using DHCP: + Ethernet.begin(mac, ip, gateway, subnet); + } + // print your local IP address: + Serial.print("My IP address: "); + ip = Ethernet.localIP(); + for (byte thisByte = 0; thisByte < 4; thisByte++) { + // print the value of each byte of the IP address: + Serial.print(ip[thisByte], DEC); + Serial.print("."); + } + Serial.println(); + // start listening for clients + server.begin(); + +} + +void loop() { + // wait for a new client: + EthernetClient client = server.available(); + + // when the client sends the first byte, say hello: + if (client) { + if (!gotAMessage) { + Serial.println("We have a new client"); + client.println("Hello, client!"); + gotAMessage = true; + } + + // 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/DnsWebClient/DnsWebClient.ino b/libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino new file mode 100644 index 0000000..c14abf4 --- /dev/null +++ b/libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino @@ -0,0 +1,81 @@ +/* + DNS and DHCP-based Web client + + This sketch connects to a website (http://www.google.com) + using an Arduino Wiznet Ethernet shield. + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 18 Dec 2009 + by David A. Mellis + modified 9 Apr 2012 + by Tom Igoe, based on work by Adrian McEwen + + */ + +#include <SPI.h> +#include <Ethernet.h> + +// Enter a MAC address for your controller below. +// Newer Ethernet shields have a MAC address printed on a sticker on the shield +byte mac[] = { 0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 }; +char serverName[] = "www.google.com"; + +// Initialize the Ethernet client library +// with the IP address and port of the server +// that you want to connect to (port 80 is default for HTTP): +EthernetClient client; + +void setup() { + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // 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: + while(true); + } + // give the Ethernet shield a second to initialize: + delay(1000); + Serial.println("connecting..."); + + // if you get a connection, report back via serial: + + if (client.connect(serverName, 80)) { + Serial.println("connected"); + // Make a HTTP request: + client.println("GET /search?q=arduino HTTP/1.0"); + client.println(); + } + else { + // kf you didn't get a connection to the server: + Serial.println("connection failed"); + } +} + +void loop() +{ + // if there are incoming bytes available + // from the server, read them and print them: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // if the server's disconnected, stop the client: + if (!client.connected()) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + + // do nothing forevermore: + while(true); + } +} + diff --git a/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino b/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino new file mode 100644 index 0000000..dfd2d40 --- /dev/null +++ b/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino @@ -0,0 +1,163 @@ +/* + Pachube sensor client + + This sketch connects an analog sensor to Pachube (http://www.pachube.com) + using a Wiznet Ethernet shield. You can use the Arduino Ethernet shield, or + 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 + modified 9 Apr 2012 + by Tom Igoe with input from Usman Haque and Joe Saavedra + +http://arduino.cc/en/Tutorial/PachubeClient + This code is in the public domain. + + */ + +#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: +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; + +// fill in an available IP address on your network here, +// for manual configuration: +IPAddress ip(10,0,1,20); +// initialize the library instance: +EthernetClient client; + +// 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() { + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // start the Ethernet connection: + if (Ethernet.begin(mac) == 0) { + Serial.println("Failed to configure Ethernet using DHCP"); + // DHCP failed, so use a fixed IP address: + Ethernet.begin(mac, ip); + } +} + +void loop() { + // read the analog sensor: + int sensorReading = analogRead(A0); + + // if there's incoming data from the net connection. + // send it out the serial port. This is for debugging + // purposes only: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // if there's no net connection, but there was one last time + // through the loop, then stop the client: + if (!client.connected() && lastConnected) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + } + + // if you're not connected, and ten seconds have passed since + // your last connection, then connect again and send data: + if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) { + sendData(sensorReading); + } + // store the state of the connection for next time through + // the loop: + lastConnected = client.connected(); +} + +// this method makes a HTTP connection to the server: +void sendData(int thisData) { + // if there's a successful connection: + if (client.connect(server, 80)) { + Serial.println("connecting..."); + // 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: + // 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.println("Content-Type: text/csv"); + client.println("Connection: close"); + client.println(); + + // here's the actual content of the PUT request: + 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(); +} + + +// This method calculates the number of digits in the +// sensor reading. Since each digit of the ASCII decimal +// representation is a byte, the number of digits equals +// the number of bytes: + +int getLength(int someValue) { + // there's at least one byte: + int digits = 1; + // continually divide the value by ten, + // adding one to the digit count for each + // time you divide, until you're at 0: + int dividend = someValue /10; + while (dividend > 0) { + dividend = dividend /10; + digits++; + } + // return the number of digits: + return digits; +} + diff --git a/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino new file mode 100644 index 0000000..2a96e9f --- /dev/null +++ b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino @@ -0,0 +1,152 @@ +/* + Cosm sensor client with Strings + + This sketch connects an analog sensor to Cosm (http://www.cosm.com) + using a Wiznet Ethernet shield. You can use the Arduino Ethernet shield, or + 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 Cosm.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. + + Circuit: + * Analog sensor attached to analog in 0 + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 15 March 2010 + modified 9 Apr 2012 + by Tom Igoe with input from Usman Haque and Joe Saavedra + + http://arduino.cc/en/Tutorial/CosmClientString + This code is in the public domain. + + */ + +#include <SPI.h> +#include <Ethernet.h> + + +/#define APIKEY "YOUR API KEY GOES HERE" // replace your Cosm 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[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; + +// fill in an available IP address on your network here, +// for manual configuration: +IPAddress ip(10,0,1,20); + +// initialize the library instance: +EthernetClient client; + +// 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(216,52,233,121); // numeric IP for api.cosm.com +//char server[] = "api.cosm.com"; // name address for Cosm 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 Cosm.com + +void setup() { + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // 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"); + // DHCP failed, so use a fixed IP address: + Ethernet.begin(mac, ip); + } +} + +void loop() { + // read the analog sensor: + int sensorReading = analogRead(A0); + // convert the data to a String to send it: + + String dataString = "sensor1,"; + dataString += sensorReading; + + // you can append multiple readings to this String if your + // Cosm feed is set up to handle multiple values: + int otherSensorReading = analogRead(A1); + dataString += "\nsensor2,"; + dataString += otherSensorReading; + + // if there's incoming data from the net connection. + // send it out the serial port. This is for debugging + // purposes only: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // if there's no net connection, but there was one last time + // through the loop, then stop the client: + if (!client.connected() && lastConnected) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + } + + // if you're not connected, and ten seconds have passed since + // your last connection, then connect again and send data: + if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) { + sendData(dataString); + } + // store the state of the connection for next time through + // the loop: + lastConnected = client.connected(); +} + +// this method makes a HTTP connection to the server: +void sendData(String thisData) { + // if there's a successful connection: + if (client.connect(server, 80)) { + Serial.println("connecting..."); + // send the HTTP PUT request: + client.print("PUT /v2/feeds/"); + client.print(FEEDID); + client.println(".csv HTTP/1.1"); + client.println("Host: api.cosm.com"); + client.print("X-CosmApiKey: "); + client.println(APIKEY); + client.print("User-Agent: "); + client.println(USERAGENT); + client.print("Content-Length: "); + client.println(thisData.length()); + + // last pieces of the HTTP PUT request: + client.println("Content-Type: text/csv"); + client.println("Connection: close"); + client.println(); + + // here's the actual content of the PUT request: + 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/TelnetClient/TelnetClient.ino b/libraries/Ethernet/examples/TelnetClient/TelnetClient.ino new file mode 100644 index 0000000..3457125 --- /dev/null +++ b/libraries/Ethernet/examples/TelnetClient/TelnetClient.ino @@ -0,0 +1,93 @@ +/* + Telnet client + + This sketch connects to a a telnet server (http://www.google.com) + using an Arduino Wiznet Ethernet shield. You'll need a telnet server + to test this with. + Processing's ChatServer example (part of the network library) works well, + running on port 10002. It can be found as part of the examples + in the Processing application, available at + http://processing.org/ + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 14 Sep 2010 + 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[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; +IPAddress ip(192,168,1,177); + +// Enter the IP address of the server you're connecting to: +IPAddress server(1,1,1,1); + +// Initialize the Ethernet client library +// with the IP address and port of the server +// that you want to connect to (port 23 is default for telnet; +// if you're using Processing's ChatServer, use port 10002): +EthernetClient client; + +void setup() { + // start the Ethernet connection: + Ethernet.begin(mac, ip); + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // give the Ethernet shield a second to initialize: + delay(1000); + Serial.println("connecting..."); + + // if you get a connection, report back via serial: + if (client.connect(server, 10002)) { + Serial.println("connected"); + } + else { + // if you didn't get a connection to the server: + Serial.println("connection failed"); + } +} + +void loop() +{ + // if there are incoming bytes available + // from the server, read them and print them: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // as long as there are bytes in the serial queue, + // read them and send them out the socket if it's open: + while (Serial.available() > 0) { + char inChar = Serial.read(); + if (client.connected()) { + client.print(inChar); + } + } + + // if the server's disconnected, stop the client: + if (!client.connected()) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + // do nothing: + while(true); + } +} + + + + diff --git a/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino b/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino new file mode 100644 index 0000000..3587d72 --- /dev/null +++ b/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino @@ -0,0 +1,135 @@ +/* + Twitter Client with Strings + + This sketch connects to Twitter using an Ethernet shield. It parses the XML + returned, and looks for <text>this is a tweet</text> + + You can use the Arduino Ethernet shield, or the Adafruit Ethernet shield, + either one will work, as long as it's got a Wiznet Ethernet module on board. + + This example uses the DHCP routines in the Ethernet library which is part of the + Arduino core from version 1.0 beta 1 + + This example uses the String library, which is part of the Arduino core from + version 0019. + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 21 May 2011 + modified 9 Apr 2012 + by Tom Igoe + + This code is in the public domain. + + */ +#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, 0x01 }; +IPAddress ip(192,168,1,20); + +// initialize the library instance: +EthernetClient client; + +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 +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 +boolean readingTweet = false; // if you're currently reading the tweet + +void setup() { + // reserve space for the strings: + currentLine.reserve(256); + tweet.reserve(150); + + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // 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(); +} + + + +void loop() +{ + if (client.connected()) { + if (client.available()) { + // read incoming bytes: + char inChar = client.read(); + + // add incoming byte to end of line: + currentLine += inChar; + + // if you get a newline, clear the line: + if (inChar == '\n') { + currentLine = ""; + } + // if the current line ends with <text>, it will + // be followed by the tweet: + if ( currentLine.endsWith("<text>")) { + // tweet is beginning. Clear the tweet string: + readingTweet = true; + tweet = ""; + } + // if you're currently reading the bytes of a tweet, + // add them to the tweet String: + if (readingTweet) { + if (inChar != '<') { + tweet += inChar; + } + else { + // if you got a "<" character, + // you've reached the end of the tweet: + readingTweet = false; + Serial.println(tweet); + // close the connection to the server: + client.stop(); + } + } + } + } + else if (millis() - lastAttemptTime > requestInterval) { + // if you're not connected, and two minutes have passed since + // your last connection, then attempt to connect again: + connectToServer(); + } +} + +void connectToServer() { + // attempt to connect, and wait a millisecond: + Serial.println("connecting to server..."); + if (client.connect(serverName, 80)) { + Serial.println("making HTTP request..."); + // 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(); + } + // note the time of this connect attempt: + lastAttemptTime = millis(); +} + diff --git a/libraries/Ethernet/examples/UDPSendReceiveString/UDPSendReceiveString.ino b/libraries/Ethernet/examples/UDPSendReceiveString/UDPSendReceiveString.ino new file mode 100644 index 0000000..4d4045c --- /dev/null +++ b/libraries/Ethernet/examples/UDPSendReceiveString/UDPSendReceiveString.ino @@ -0,0 +1,118 @@ +/* + UDPSendReceive.pde: + This sketch receives UDP message strings, prints them to the serial port + and sends an "acknowledge" string back to the sender + + A Processing sketch is included at the end of file that can be used to send + and received messages for testing with a computer. + + created 21 Aug 2010 + by Michael Margolis + + This code is in the public domain. + */ + + +#include <SPI.h> // needed for Arduino versions later than 0018 +#include <Ethernet.h> +#include <EthernetUdp.h> // UDP library from: bjoern@cs.stanford.edu 12/30/2008 + + +// 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, 1, 177); + +unsigned int localPort = 8888; // local port to listen on + +// buffers for receiving and sending data +char packetBuffer[UDP_TX_PACKET_MAX_SIZE]; //buffer to hold incoming packet, +char ReplyBuffer[] = "acknowledged"; // a string to send back + +// An EthernetUDP instance to let us send and receive packets over UDP +EthernetUDP Udp; + +void setup() { + // start the Ethernet and UDP: + Ethernet.begin(mac,ip); + Udp.begin(localPort); + + Serial.begin(9600); +} + +void loop() { + // if there's data available, read a packet + int packetSize = Udp.parsePacket(); + if(packetSize) + { + Serial.print("Received packet of size "); + Serial.println(packetSize); + Serial.print("From "); + IPAddress remote = Udp.remoteIP(); + for (int i =0; i < 4; i++) + { + Serial.print(remote[i], DEC); + if (i < 3) + { + Serial.print("."); + } + } + Serial.print(", port "); + Serial.println(Udp.remotePort()); + + // read the packet into packetBufffer + Udp.read(packetBuffer,UDP_TX_PACKET_MAX_SIZE); + Serial.println("Contents:"); + Serial.println(packetBuffer); + + // send a reply, to the IP address and port that sent us the packet we received + Udp.beginPacket(Udp.remoteIP(), Udp.remotePort()); + Udp.write(ReplyBuffer); + Udp.endPacket(); + } + delay(10); +} + + +/* + Processing sketch to run with this example + ===================================================== + + // Processing UDP example to send and receive string data from Arduino + // press any key to send the "Hello Arduino" message + + + import hypermedia.net.*; + + UDP udp; // define the UDP object + + + void setup() { + udp = new UDP( this, 6000 ); // create a new datagram connection on port 6000 + //udp.log( true ); // <-- printout the connection activity + udp.listen( true ); // and wait for incoming message + } + + void draw() + { + } + + void keyPressed() { + String ip = "192.168.1.177"; // the remote IP address + int port = 8888; // the destination port + + udp.send("Hello World", ip, port ); // the message to send + + } + + void receive( byte[] data ) { // <-- default handler + //void receive( byte[] data, String ip, int port ) { // <-- extended handler + + for(int i=0; i < data.length; i++) + print(char(data[i])); + println(); + } + */ + + diff --git a/libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.ino b/libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.ino new file mode 100644 index 0000000..93ffe39 --- /dev/null +++ b/libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.ino @@ -0,0 +1,141 @@ +/* + + Udp NTP Client + + Get the time from a Network Time Protocol (NTP) time server + Demonstrates use of UDP sendPacket and ReceivePacket + For more on NTP time servers and the messages needed to communicate with them, + see http://en.wikipedia.org/wiki/Network_Time_Protocol + + created 4 Sep 2010 + by Michael Margolis + modified 9 Apr 2012 + by Tom Igoe + + This code is in the public domain. + + */ + +#include <SPI.h> +#include <Ethernet.h> +#include <EthernetUdp.h> + +// Enter a MAC address for your controller below. +// Newer Ethernet shields have a MAC address printed on a sticker on the shield +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; + +unsigned int localPort = 8888; // local port to listen for UDP packets + +IPAddress timeServer(192, 43, 244, 18); // time.nist.gov NTP server + +const int NTP_PACKET_SIZE= 48; // NTP time stamp is in the first 48 bytes of the message + +byte packetBuffer[ NTP_PACKET_SIZE]; //buffer to hold incoming and outgoing packets + +// A UDP instance to let us send and receive packets over UDP +EthernetUDP Udp; + +void setup() +{ + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // start Ethernet and UDP + if (Ethernet.begin(mac) == 0) { + Serial.println("Failed to configure Ethernet using DHCP"); + // no point in carrying on, so do nothing forevermore: + for(;;) + ; + } + Udp.begin(localPort); +} + +void loop() +{ + sendNTPpacket(timeServer); // send an NTP packet to a time server + + // wait to see if a reply is available + delay(1000); + if ( Udp.parsePacket() ) { + // We've received a packet, read the data from it + Udp.read(packetBuffer,NTP_PACKET_SIZE); // read the packet into the buffer + + //the timestamp starts at byte 40 of the received packet and is four bytes, + // or two words, long. First, esxtract the two words: + + unsigned long highWord = word(packetBuffer[40], packetBuffer[41]); + unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]); + // combine the four bytes (two words) into a long integer + // this is NTP time (seconds since Jan 1 1900): + unsigned long secsSince1900 = highWord << 16 | lowWord; + Serial.print("Seconds since Jan 1 1900 = " ); + Serial.println(secsSince1900); + + // now convert NTP time into everyday time: + Serial.print("Unix time = "); + // Unix time starts on Jan 1 1970. In seconds, that's 2208988800: + const unsigned long seventyYears = 2208988800UL; + // subtract seventy years: + unsigned long epoch = secsSince1900 - seventyYears; + // print Unix time: + Serial.println(epoch); + + + // print the hour, minute and second: + Serial.print("The UTC time is "); // UTC is the time at Greenwich Meridian (GMT) + Serial.print((epoch % 86400L) / 3600); // print the hour (86400 equals secs per day) + Serial.print(':'); + if ( ((epoch % 3600) / 60) < 10 ) { + // In the first 10 minutes of each hour, we'll want a leading '0' + Serial.print('0'); + } + Serial.print((epoch % 3600) / 60); // print the minute (3600 equals secs per minute) + Serial.print(':'); + if ( (epoch % 60) < 10 ) { + // In the first 10 seconds of each minute, we'll want a leading '0' + Serial.print('0'); + } + Serial.println(epoch %60); // print the second + } + // wait ten seconds before asking for the time again + delay(10000); +} + +// send an NTP request to the time server at the given address +unsigned long sendNTPpacket(IPAddress& address) +{ + // set all bytes in the buffer to 0 + memset(packetBuffer, 0, NTP_PACKET_SIZE); + // Initialize values needed to form NTP request + // (see URL above for details on the packets) + packetBuffer[0] = 0b11100011; // LI, Version, Mode + packetBuffer[1] = 0; // Stratum, or type of clock + packetBuffer[2] = 6; // Polling Interval + packetBuffer[3] = 0xEC; // Peer Clock Precision + // 8 bytes of zero for Root Delay & Root Dispersion + packetBuffer[12] = 49; + packetBuffer[13] = 0x4E; + packetBuffer[14] = 49; + packetBuffer[15] = 52; + + // all NTP fields have been given values, now + // you can send a packet requesting a timestamp: + Udp.beginPacket(address, 123); //NTP requests are to port 123 + Udp.write(packetBuffer,NTP_PACKET_SIZE); + Udp.endPacket(); +} + + + + + + + + + + diff --git a/libraries/Ethernet/examples/WebClient/WebClient.ino b/libraries/Ethernet/examples/WebClient/WebClient.ino new file mode 100644 index 0000000..5d5d7f2 --- /dev/null +++ b/libraries/Ethernet/examples/WebClient/WebClient.ino @@ -0,0 +1,80 @@ +/* + Web client + + This sketch connects to a website (http://www.google.com) + using an Arduino Wiznet Ethernet shield. + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 18 Dec 2009 + modified 9 Apr 2012 + by David A. Mellis + + */ + +#include <SPI.h> +#include <Ethernet.h> + +// Enter a MAC address for your controller below. +// Newer Ethernet shields have a MAC address printed on a sticker on the shield +byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; +IPAddress server(173,194,33,104); // Google + +// Initialize the Ethernet client library +// with the IP address and port of the server +// that you want to connect to (port 80 is default for HTTP): +EthernetClient client; + +void setup() { + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // 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 shield a second to initialize: + delay(1000); + Serial.println("connecting..."); + + // if you get a connection, report back via serial: + if (client.connect(server, 80)) { + Serial.println("connected"); + // Make a HTTP request: + client.println("GET /search?q=arduino HTTP/1.0"); + client.println(); + } + else { + // kf you didn't get a connection to the server: + Serial.println("connection failed"); + } +} + +void loop() +{ + // if there are incoming bytes available + // from the server, read them and print them: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // if the server's disconnected, stop the client: + if (!client.connected()) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + + // do nothing forevermore: + for(;;) + ; + } +} + diff --git a/libraries/Ethernet/examples/WebClientRepeating/WebClientRepeating.ino b/libraries/Ethernet/examples/WebClientRepeating/WebClientRepeating.ino new file mode 100644 index 0000000..650f74e --- /dev/null +++ b/libraries/Ethernet/examples/WebClientRepeating/WebClientRepeating.ino @@ -0,0 +1,111 @@ +/* + Repeating Web client + + This sketch connects to a a web server and makes a request + using a Wiznet Ethernet shield. You can use the Arduino Ethernet shield, or + the Adafruit Ethernet shield, either one will work, as long as it's got + a Wiznet Ethernet module on board. + + This example uses DNS, by assigning the Ethernet client with a MAC address, + IP address, and DNS address. + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 19 Apr 2012 + by Tom Igoe + + http://arduino.cc/en/Tutorial/WebClientRepeating + This code is in the public domain. + + */ + +#include <SPI.h> +#include <Ethernet.h> + +// assign a MAC address for the ethernet controller. +// fill in your address here: +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; +// fill in an available IP address on your network here, +// for manual configuration: +IPAddress ip(10,0,0,20); + +// fill in your Domain Name Server address here: +IPAddress myDns(1,1,1,1); + +// initialize the library instance: +EthernetClient client; + +char server[] = "www.arduino.cc"; + +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 = 60L*1000L; // delay between updates, in milliseconds + // the "L" is needed to use long type numbers + +void setup() { + // start serial port: + Serial.begin(9600); + // give the ethernet module time to boot up: + delay(1000); + // start the Ethernet connection using a fixed IP address and DNS server: + Ethernet.begin(mac, ip, myDns); + // print the Ethernet board/shield's IP address: + Serial.print("My IP address: "); + Serial.println(Ethernet.localIP()); +} + +void loop() { + // if there's incoming data from the net connection. + // send it out the serial port. This is for debugging + // purposes only: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // if there's no net connection, but there was one last time + // through the loop, then stop the client: + if (!client.connected() && lastConnected) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + } + + // if you're not connected, and ten seconds have passed since + // your last connection, then connect again and send data: + if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) { + httpRequest(); + } + // store the state of the connection for next time through + // the loop: + lastConnected = client.connected(); +} + +// this method makes a HTTP connection to the server: +void httpRequest() { + // if there's a successful connection: + if (client.connect(server, 80)) { + Serial.println("connecting..."); + // send the HTTP PUT request: + client.println("GET /latest.txt HTTP/1.1"); + client.println("Host: www.arduino.cc"); + client.println("User-Agent: arduino-ethernet"); + client.println("Connection: close"); + client.println(); + + // note the time that the connection was made: + lastConnectionTime = millis(); + } + else { + // if you couldn't make a connection: + Serial.println("connection failed"); + Serial.println("disconnecting."); + client.stop(); + } +} + + + + diff --git a/libraries/Ethernet/examples/WebServer/WebServer.ino b/libraries/Ethernet/examples/WebServer/WebServer.ino new file mode 100644 index 0000000..ce8dbb1 --- /dev/null +++ b/libraries/Ethernet/examples/WebServer/WebServer.ino @@ -0,0 +1,101 @@ +/* + 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[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; +IPAddress ip(192,168,1, 177); + +// 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 Leonardo only + } + + + // start the Ethernet connection and the server: + Ethernet.begin(mac, ip); + 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("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(sensorReading); + client.println("<br />"); + } + client.println("</html>"); + 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 disonnected"); + } +} + |