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Diffstat (limited to 'libraries/Ethernet/examples/PachubeClient')
| -rw-r--r-- | libraries/Ethernet/examples/PachubeClient/PachubeClient.ino | 163 | 
1 files changed, 163 insertions, 0 deletions
| 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; +} + | 
