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Diffstat (limited to 'libraries/WiFi/examples')
11 files changed, 1514 insertions, 0 deletions
diff --git a/libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino b/libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino new file mode 100644 index 0000000..f42a7f3 --- /dev/null +++ b/libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino @@ -0,0 +1,121 @@ +/* + + This example connects to an unencrypted Wifi network. + Then it prints the MAC address of the Wifi shield, + the IP address obtained, and other network details. + + Circuit: + * WiFi shield attached + + created 13 July 2010 + by dlf (Metodo2 srl) + modified 31 May 2012 + by Tom Igoe + */ + #include <WiFi.h> + +char ssid[] = "yourNetwork"; // the name of your network +int status = WL_IDLE_STATUS; // the Wifi radio's status + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to open SSID: "); + Serial.println(ssid); + status = WiFi.begin(ssid); + + // wait 10 seconds for connection: + delay(10000); + } + + // you're connected now, so print out the data: + Serial.print("You're connected to the network"); + printCurrentNet(); + printWifiData(); +} + +void loop() { + // check the network connection once every 10 seconds: + delay(10000); + printCurrentNet(); +} + +void printWifiData() { + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + Serial.println(ip); + + // print your MAC address: + byte mac[6]; + WiFi.macAddress(mac); + Serial.print("MAC address: "); + Serial.print(mac[5],HEX); + Serial.print(":"); + Serial.print(mac[4],HEX); + Serial.print(":"); + Serial.print(mac[3],HEX); + Serial.print(":"); + Serial.print(mac[2],HEX); + Serial.print(":"); + Serial.print(mac[1],HEX); + Serial.print(":"); + Serial.println(mac[0],HEX); + + // print your subnet mask: + IPAddress subnet = WiFi.subnetMask(); + Serial.print("NetMask: "); + Serial.println(subnet); + + // print your gateway address: + IPAddress gateway = WiFi.gatewayIP(); + Serial.print("Gateway: "); + Serial.println(gateway); +} + +void printCurrentNet() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print the MAC address of the router you're attached to: + byte bssid[6]; + WiFi.BSSID(bssid); + Serial.print("BSSID: "); + Serial.print(bssid[5],HEX); + Serial.print(":"); + Serial.print(bssid[4],HEX); + Serial.print(":"); + Serial.print(bssid[3],HEX); + Serial.print(":"); + Serial.print(bssid[2],HEX); + Serial.print(":"); + Serial.print(bssid[1],HEX); + Serial.print(":"); + Serial.println(bssid[0],HEX); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.println(rssi); + + // print the encryption type: + byte encryption = WiFi.encryptionType(); + Serial.print("Encryption Type:"); + Serial.println(encryption,HEX); +} + diff --git a/libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino b/libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino new file mode 100644 index 0000000..19736b5 --- /dev/null +++ b/libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino @@ -0,0 +1,126 @@ +/* + + This example connects to a WEP-encrypted Wifi network. + Then it prints the MAC address of the Wifi shield, + the IP address obtained, and other network details. + + If you use 40-bit WEP, you need a key that is 10 characters long, + and the characters must be hexadecimal (0-9 or A-F). + e.g. for 40-bit, ABBADEAF01 will work, but ABBADEAF won't work + (too short) and ABBAISDEAF won't work (I and S are not + hexadecimal characters). + + For 128-bit, you need a string that is 26 characters long. + D0D0DEADF00DABBADEAFBEADED will work because it's 26 characters, + all in the 0-9, A-F range. + + Circuit: + * WiFi shield attached + + created 13 July 2010 + by dlf (Metodo2 srl) + modified 31 May 2012 + by Tom Igoe + */ +#include <WiFi.h> + +char ssid[] = "yourNetwork"; // your network SSID (name) +char key[] = "D0D0DEADF00DABBADEAFBEADED"; // your network key +int keyIndex = 0; // your network key Index number +int status = WL_IDLE_STATUS; // the Wifi radio's status + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to WEP network, SSID: "); + Serial.println(ssid); + status = WiFi.begin(ssid, keyIndex, key); + + // wait 10 seconds for connection: + delay(10000); + } + + // once you are connected : + Serial.print("You're connected to the network"); + printCurrentNet(); + printWifiData(); +} + +void loop() { + // check the network connection once every 10 seconds: + delay(10000); + printCurrentNet(); +} + +void printWifiData() { + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + Serial.println(ip); + + // print your MAC address: + byte mac[6]; + WiFi.macAddress(mac); + Serial.print("MAC address: "); + Serial.print(mac[5],HEX); + Serial.print(":"); + Serial.print(mac[4],HEX); + Serial.print(":"); + Serial.print(mac[3],HEX); + Serial.print(":"); + Serial.print(mac[2],HEX); + Serial.print(":"); + Serial.print(mac[1],HEX); + Serial.print(":"); + Serial.println(mac[0],HEX); +} + +void printCurrentNet() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print the MAC address of the router you're attached to: + byte bssid[6]; + WiFi.BSSID(bssid); + Serial.print("BSSID: "); + Serial.print(bssid[5],HEX); + Serial.print(":"); + Serial.print(bssid[4],HEX); + Serial.print(":"); + Serial.print(bssid[3],HEX); + Serial.print(":"); + Serial.print(bssid[2],HEX); + Serial.print(":"); + Serial.print(bssid[1],HEX); + Serial.print(":"); + Serial.println(bssid[0],HEX); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.println(rssi); + + // print the encryption type: + byte encryption = WiFi.encryptionType(); + Serial.print("Encryption Type:"); + Serial.println(encryption,HEX); + Serial.println(); +} + + + diff --git a/libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino b/libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino new file mode 100644 index 0000000..fcc33ec --- /dev/null +++ b/libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino @@ -0,0 +1,116 @@ +/* + + This example connects to an unencrypted Wifi network. + Then it prints the MAC address of the Wifi shield, + the IP address obtained, and other network details. + + Circuit: + * WiFi shield attached + + created 13 July 2010 + by dlf (Metodo2 srl) + modified 31 May 2012 + by Tom Igoe + */ + #include <WiFi.h> + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password +int status = WL_IDLE_STATUS; // the Wifi radio's status + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to WPA SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + + // you're connected now, so print out the data: + Serial.print("You're connected to the network"); + printCurrentNet(); + printWifiData(); + +} + +void loop() { + // check the network connection once every 10 seconds: + delay(10000); + printCurrentNet(); +} + +void printWifiData() { + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + Serial.println(ip); + + // print your MAC address: + byte mac[6]; + WiFi.macAddress(mac); + Serial.print("MAC address: "); + Serial.print(mac[5],HEX); + Serial.print(":"); + Serial.print(mac[4],HEX); + Serial.print(":"); + Serial.print(mac[3],HEX); + Serial.print(":"); + Serial.print(mac[2],HEX); + Serial.print(":"); + Serial.print(mac[1],HEX); + Serial.print(":"); + Serial.println(mac[0],HEX); + +} + +void printCurrentNet() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print the MAC address of the router you're attached to: + byte bssid[6]; + WiFi.BSSID(bssid); + Serial.print("BSSID: "); + Serial.print(bssid[5],HEX); + Serial.print(":"); + Serial.print(bssid[4],HEX); + Serial.print(":"); + Serial.print(bssid[3],HEX); + Serial.print(":"); + Serial.print(bssid[2],HEX); + Serial.print(":"); + Serial.print(bssid[1],HEX); + Serial.print(":"); + Serial.println(bssid[0],HEX); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.println(rssi); + + // print the encryption type: + byte encryption = WiFi.encryptionType(); + Serial.print("Encryption Type:"); + Serial.println(encryption,HEX); + Serial.println(); +} + diff --git a/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino b/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino new file mode 100644 index 0000000..93b3000 --- /dev/null +++ b/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino @@ -0,0 +1,119 @@ +/* + + This example prints the Wifi shield's MAC address, and + scans for available Wifi networks using the Wifi shield. + Every ten seconds, it scans again. It doesn't actually + connect to any network, so no encryption scheme is specified. + + Circuit: + * WiFi shield attached + + created 13 July 2010 + by dlf (Metodo2 srl) + modified 21 Junn 2012 + by Tom Igoe and Jaymes Dec + */ + + +#include <SPI.h> +#include <WiFi.h> + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // Print WiFi MAC address: + printMacAddress(); + + // scan for existing networks: + Serial.println("Scanning available networks..."); + listNetworks(); +} + +void loop() { + delay(10000); + // scan for existing networks: + Serial.println("Scanning available networks..."); + listNetworks(); +} + +void printMacAddress() { + // the MAC address of your Wifi shield + byte mac[6]; + + // print your MAC address: + WiFi.macAddress(mac); + Serial.print("MAC: "); + Serial.print(mac[5],HEX); + Serial.print(":"); + Serial.print(mac[4],HEX); + Serial.print(":"); + Serial.print(mac[3],HEX); + Serial.print(":"); + Serial.print(mac[2],HEX); + Serial.print(":"); + Serial.print(mac[1],HEX); + Serial.print(":"); + Serial.println(mac[0],HEX); +} + +void listNetworks() { + // scan for nearby networks: + Serial.println("** Scan Networks **"); + int numSsid = WiFi.scanNetworks(); + if (numSsid == -1) + { + Serial.println("Couldn't get a wifi connection"); + while(true); + } + + // print the list of networks seen: + Serial.print("number of available networks:"); + Serial.println(numSsid); + + // print the network number and name for each network found: + for (int thisNet = 0; thisNet<numSsid; thisNet++) { + Serial.print(thisNet); + Serial.print(") "); + Serial.print(WiFi.SSID(thisNet)); + Serial.print("\tSignal: "); + Serial.print(WiFi.RSSI(thisNet)); + Serial.print(" dBm"); + Serial.print("\tEncryption: "); + printEncryptionType(WiFi.encryptionType(thisNet)); + } +} + +void printEncryptionType(int thisType) { + // read the encryption type and print out the name: + switch (thisType) { + case ENC_TYPE_WEP: + Serial.println("WEP"); + break; + case ENC_TYPE_TKIP: + Serial.println("WPA"); + break; + case ENC_TYPE_CCMP: + Serial.println("WPA2"); + break; + case ENC_TYPE_NONE: + Serial.println("None"); + break; + case ENC_TYPE_AUTO: + Serial.println("Auto"); + break; + } +} + + + diff --git a/libraries/WiFi/examples/WifiChatServer/WifiChatServer.ino b/libraries/WiFi/examples/WifiChatServer/WifiChatServer.ino new file mode 100644 index 0000000..e4b1d1a --- /dev/null +++ b/libraries/WiFi/examples/WifiChatServer/WifiChatServer.ino @@ -0,0 +1,111 @@ +/* + 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. + + This example is written for a network using WPA encryption. For + WEP or WPA, change the Wifi.begin() call accordingly. + + + Circuit: + * WiFi shield attached + + created 18 Dec 2009 + by David A. Mellis + modified 31 May 2012 + by Tom Igoe + + */ + +#include <SPI.h> +#include <WiFi.h> + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password (use for WPA, or use as key for WEP) + +int keyIndex = 0; // your network key Index number (needed only for WEP) + +int status = WL_IDLE_STATUS; + +WiFiServer server(23); + +boolean alreadyConnected = false; // whether or not the client was connected previously + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + // start the server: + server.begin(); + // you're connected now, so print out the status: + printWifiStatus(); + } + + +void loop() { + // wait for a new client: + WiFiClient 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); + } + } +} + + +void printWifiStatus() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.print(rssi); + Serial.println(" dBm"); +} + + diff --git a/libraries/WiFi/examples/WifiPachubeClient/WifiPachubeClient.ino b/libraries/WiFi/examples/WifiPachubeClient/WifiPachubeClient.ino new file mode 100644 index 0000000..f8ffc07 --- /dev/null +++ b/libraries/WiFi/examples/WifiPachubeClient/WifiPachubeClient.ino @@ -0,0 +1,190 @@ +/* + Wifi Pachube sensor client + + This sketch connects an analog sensor to Pachube (http://www.pachube.com) + using an Arduino Wifi shield. + + This example is written for a network using WPA encryption. For + WEP or WPA, change the Wifi.begin() call accordingly. + + This example has been updated to use version 2.0 of the Pachube 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 + * Wifi shield attached to pins 10, 11, 12, 13 + + created 13 Mar 2012 + modified 31 May 2012 + by Tom Igoe + modified 8 Sept 2012 + by Scott Fitzgerald + + This code is in the public domain. + + */ +#include <SPI.h> +#include <WiFi.h> + +#define APIKEY "YOUR API KEY GOES HERE" // replace your pachube api key here +#define FEEDID 00000 // replace your feed ID +#define USERAGENT "My Arduino Project" // user agent is the project name + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password + +int status = WL_IDLE_STATUS; + +// initialize the library instance: +WiFiClient 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.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() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + // you're connected now, so print out the status: + printWifiStatus(); +} + + +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: + while (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-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; +} + +void printWifiStatus() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.print(rssi); + Serial.println(" dBm"); +} + + + diff --git a/libraries/WiFi/examples/WifiPachubeClientString/WifiPachubeClientString.ino b/libraries/WiFi/examples/WifiPachubeClientString/WifiPachubeClientString.ino new file mode 100644 index 0000000..243fe83 --- /dev/null +++ b/libraries/WiFi/examples/WifiPachubeClientString/WifiPachubeClientString.ino @@ -0,0 +1,177 @@ +/* + Wifi Pachube sensor client with Strings + + This sketch connects an analog sensor to Pachube (http://www.pachube.com) + using a Arduino Wifi shield. + + This example is written for a network using WPA encryption. For + WEP or WPA, change the Wifi.begin() call accordingly. + + 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. + + This example uses the String library, which is part of the Arduino core from + version 0019. + + Circuit: + * Analog sensor attached to analog in 0 + * Wifi shield attached to pins 10, 11, 12, 13 + + created 16 Mar 2012 + modified 31 May 2012 + by Tom Igoe + modified 8 Sept 2012 + by Scott Fitzgerald + + This code is in the public domain. + + */ + +#include <SPI.h> +#include <WiFi.h> + +#define APIKEY "YOUR API KEY GOES HERE" // replace your pachube api key here +#define FEEDID 00000 // replace your feed ID +#define USERAGENT "My Arduino Project" // user agent is the project name + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password + +int status = WL_IDLE_STATUS; + +// initialize the library instance: +WiFiClient 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.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() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + // you're connected now, so print out the status: + printWifiStatus(); +} + +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 + // pachube 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: + while (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.pachube.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(); +} + + +void printWifiStatus() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.print(rssi); + Serial.println(" dBm"); +} + + diff --git a/libraries/WiFi/examples/WifiTwitterClient/WifiTwitterClient.ino b/libraries/WiFi/examples/WifiTwitterClient/WifiTwitterClient.ino new file mode 100644 index 0000000..3dc2c8d --- /dev/null +++ b/libraries/WiFi/examples/WifiTwitterClient/WifiTwitterClient.ino @@ -0,0 +1,163 @@ +/* + Wifi Twitter Client with Strings + + This sketch connects to Twitter using using an Arduino WiFi shield. + It parses the XML returned, and looks for <text>this is a tweet</text> + + This example is written for a network using WPA encryption. For + WEP or WPA, change the Wifi.begin() call accordingly. + + This example uses the String library, which is part of the Arduino core from + version 0019. + + Circuit: + * WiFi shield attached to pins 10, 11, 12, 13 + + created 23 apr 2012 + modified 31 May 2012 + by Tom Igoe + + This code is in the public domain. + + */ +#include <SPI.h> +#include <WiFi.h> + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "password"; // your network password (use for WPA, or use as key for WEP) +int keyIndex = 0; // your network key Index number (needed only for WEP) + +int status = WL_IDLE_STATUS; // status of the wifi connection + +// initialize the library instance: +WiFiClient client; + +const unsigned long requestInterval = 30*1000; // delay between requests; 30 seconds + +// 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(199,59,149,200); // numeric IP for api.twitter.com +char server[] = "api.twitter.com"; // name address for twitter API + +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); + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + // you're connected now, so print out the status: + printWifiStatus(); + 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 = ""; + // break out of the loop so this character isn't added to the tweet: + return; + } + // 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(server, 80)) { + Serial.println("making HTTP request..."); + // make HTTP GET request to twitter: + client.println("GET /1/statuses/user_timeline.xml?screen_name=arduino HTTP/1.1"); + client.println("Host:api.twitter.com"); + client.println("Connection:close"); + client.println(); + } + // note the time of this connect attempt: + lastAttemptTime = millis(); +} + + +void printWifiStatus() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.print(rssi); + Serial.println(" dBm"); +} + + + + diff --git a/libraries/WiFi/examples/WifiWebClient/WifiWebClient.ino b/libraries/WiFi/examples/WifiWebClient/WifiWebClient.ino new file mode 100644 index 0000000..17f44a3 --- /dev/null +++ b/libraries/WiFi/examples/WifiWebClient/WifiWebClient.ino @@ -0,0 +1,121 @@ + +/* + Web client + + This sketch connects to a website (http://www.google.com) + using a WiFi shield. + + This example is written for a network using WPA encryption. For + WEP or WPA, change the Wifi.begin() call accordingly. + + This example is written for a network using WPA encryption. For + WEP or WPA, change the Wifi.begin() call accordingly. + + Circuit: + * WiFi shield attached + + created 13 July 2010 + by dlf (Metodo2 srl) + modified 31 May 2012 + by Tom Igoe + */ + + +#include <SPI.h> +#include <WiFi.h> + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password (use for WPA, or use as key for WEP) +int keyIndex = 0; // your network key Index number (needed only for WEP) + +int status = WL_IDLE_STATUS; +// 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(173,194,73,105); // numeric IP for Google (no DNS) +//char server[] = "www.google.com"; // name address for Google (using DNS) + +// 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): +WiFiClient client; + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + Serial.println("Connected to wifi"); + printWifiStatus(); + + Serial.println("\nStarting connection to server..."); + // if you get a connection, report back via serial: + if (client.connect(server, 80)) { + Serial.println("connected to server"); + // Make a HTTP request: + client.println("GET /search?q=arduino HTTP/1.1"); + client.println("Host:www.google.com"); + client.println("Connection: close"); + client.println(); + } +} + +void loop() { + // if there are incoming bytes available + // from the server, read them and print them: + while (client.available()) { + char c = client.read(); + Serial.write(c); + } + + // if the server's disconnected, stop the client: + if (!client.connected()) { + Serial.println(); + Serial.println("disconnecting from server."); + client.stop(); + + // do nothing forevermore: + while(true); + } +} + + +void printWifiStatus() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.print(rssi); + Serial.println(" dBm"); +} + + + + + diff --git a/libraries/WiFi/examples/WifiWebClientRepeating/WifiWebClientRepeating.ino b/libraries/WiFi/examples/WifiWebClientRepeating/WifiWebClientRepeating.ino new file mode 100644 index 0000000..96eb628 --- /dev/null +++ b/libraries/WiFi/examples/WifiWebClientRepeating/WifiWebClientRepeating.ino @@ -0,0 +1,138 @@ +/* + Repeating Wifi Web client + + This sketch connects to a a web server and makes a request + using an Arduino Wifi shield. + + Circuit: + * Wifi shield attached to pins 10, 11, 12, 13 + + created 23 April 2012 + modifide 31 May 2012 + by Tom Igoe + + http://arduino.cc/en/Tutorial/WifiWebClientRepeating + This code is in the public domain. + */ + +#include <SPI.h> +#include <WiFi.h> + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password +int keyIndex = 0; // your network key Index number (needed only for WEP) + +int status = WL_IDLE_STATUS; + +// Initialize the Wifi client library +WiFiClient client; + +// server address: +char server[] = "www.arduino.cc"; +//IPAddress server(64,131,82,241); + +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, in milliseconds + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + // you're connected now, so print out the status: + printWifiStatus(); +} + +void loop() { + // if there's incoming data from the net connection. + // send it out the serial port. This is for debugging + // purposes only: + while (client.available()) { + char c = client.read(); + Serial.write(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(); + } +} + + +void printWifiStatus() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.print(rssi); + Serial.println(" dBm"); +} + + + + + + diff --git a/libraries/WiFi/examples/WifiWebServer/WifiWebServer.ino b/libraries/WiFi/examples/WifiWebServer/WifiWebServer.ino new file mode 100644 index 0000000..ac5f056 --- /dev/null +++ b/libraries/WiFi/examples/WifiWebServer/WifiWebServer.ino @@ -0,0 +1,132 @@ +/* + Web Server + + A simple web server that shows the value of the analog input pins. + using a WiFi shield. + + This example is written for a network using WPA encryption. For + WEP or WPA, change the Wifi.begin() call accordingly. + + Circuit: + * WiFi shield attached + * Analog inputs attached to pins A0 through A5 (optional) + + created 13 July 2010 + by dlf (Metodo2 srl) + modified 31 May 2012 + by Tom Igoe + */ +#include <SPI.h> +#include <WiFi.h> + + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password +int keyIndex = 0; // your network key Index number (needed only for WEP) + +int status = WL_IDLE_STATUS; + +WiFiServer server(80); + +void setup() { + //Initialize serial and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + // check for the presence of the shield: + if (WiFi.status() == WL_NO_SHIELD) { + Serial.println("WiFi shield not present"); + // don't continue: + while(true); + } + + // attempt to connect to Wifi network: + while ( status != WL_CONNECTED) { + Serial.print("Attempting to connect to SSID: "); + Serial.println(ssid); + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: + status = WiFi.begin(ssid, pass); + + // wait 10 seconds for connection: + delay(10000); + } + server.begin(); + // you're connected now, so print out the status: + printWifiStatus(); +} + + +void loop() { + // listen for incoming clients + WiFiClient 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"); + } +} + + +void printWifiStatus() { + // print the SSID of the network you're attached to: + Serial.print("SSID: "); + Serial.println(WiFi.SSID()); + + // print your WiFi shield's IP address: + IPAddress ip = WiFi.localIP(); + Serial.print("IP Address: "); + Serial.println(ip); + + // print the received signal strength: + long rssi = WiFi.RSSI(); + Serial.print("signal strength (RSSI):"); + Serial.print(rssi); + Serial.println(" dBm"); +} + |