diff options
| author | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 | 
|---|---|---|
| committer | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 | 
| commit | 8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 (patch) | |
| tree | 19ac8d91c7209397e7dc890b432a254ae9a7cd62 /libraries/Ethernet/examples/PachubeClient | |
| parent | be52c95820400d48e47615232d3c38236166fad3 (diff) | |
Moved libraries folder inside platform folder. Now libraries and examples are searched per board/platform
Diffstat (limited to 'libraries/Ethernet/examples/PachubeClient')
| -rw-r--r-- | libraries/Ethernet/examples/PachubeClient/PachubeClient.ino | 144 | 
1 files changed, 144 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..a169443 --- /dev/null +++ b/libraries/Ethernet/examples/PachubeClient/PachubeClient.ino @@ -0,0 +1,144 @@ +/* +  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. +  + Circuit: + * Analog sensor attached to analog in 0 + * Ethernet shield attached to pins 10, 11, 12, 13 +  + created 15 March 2010 + updated 26 Oct 2011 + by Tom Igoe +  + http://www.tigoe.net/pcomp/code/category/arduinowiring/873 + This code is in the public domain. +  + */ + +#include <SPI.h> +#include <Ethernet.h> + +// 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; + +long lastConnectionTime = 0;        // last time you connected to the server, in milliseconds +boolean lastConnected = false;      // state of the connection last time through the main loop +const int postingInterval = 10000;  //delay between updates to Pachube.com + +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"); +    // no point in carrying on, so do nothing forevermore: +    for(;;) +      ; +  } +  // give the ethernet module time to boot up: +  delay(1000); +  // start the Ethernet connection: +  if (Ethernet.begin(mac) == 0) { +    Serial.println("Failed to configure Ethernet using DHCP"); +    // Configure manually: +    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("www.pachube.com", 80)) { +    Serial.println("connecting..."); +    // send the HTTP PUT request.  +    // fill in your feed address here: +    client.print("PUT /api/YOUR_FEED_HERE.csv HTTP/1.1\n"); +    client.print("Host: www.pachube.com\n"); +    // fill in your Pachube API key here: +    client.print("X-PachubeApiKey: YOUR_KEY_HERE\n"); +    client.print("Content-Length: "); + +    // calculate the length of the sensor reading in bytes: +    int thisLength = getLength(thisData); +    client.println(thisLength, DEC); + +    // last pieces of the HTTP PUT request: +    client.print("Content-Type: text/csv\n"); +    client.println("Connection: close\n"); + +    // here's the actual content of the PUT request: +    client.println(thisData, DEC); + +    // note the time that the connection was made: +    lastConnectionTime = millis(); +  }  +  else { +    // if you couldn't make a connection: +    Serial.println("connection failed"); +  } +} + + +// 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; +} + | 
