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Diffstat (limited to 'libraries/Ethernet/examples/PachubeClientString')
| -rw-r--r-- | libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino | 152 | 
1 files changed, 152 insertions, 0 deletions
| 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(); +} + | 
