diff options
Diffstat (limited to 'libraries/Ethernet/examples/PachubeClientString')
| -rw-r--r-- | libraries/Ethernet/examples/PachubeClientString/PachubeClientString.pde | 118 | 
1 files changed, 118 insertions, 0 deletions
| diff --git a/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.pde b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.pde new file mode 100644 index 0000000..e6dbf09 --- /dev/null +++ b/libraries/Ethernet/examples/PachubeClientString/PachubeClientString.pde @@ -0,0 +1,118 @@ +/* +  Pachube sensor client with Strings +  + 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 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 4 Sep 2010 + by Tom Igoe +  + 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}; + +// initialize the library instance: +Client 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 the ethernet connection and serial port: +  Serial.begin(9600); +  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); +} + +void loop() { +  // read the analog sensor: +  int sensorReading = analogRead(A0);    +  // convert the data to a String to send it: +  String dataString = String(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 += ","; +  dataString += String(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("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: "); +    client.println(thisData.length(), 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); + +    // note the time that the connection was made: +    lastConnectionTime = millis(); +  }  +  else { +    // if you couldn't make a connection: +    Serial.println("connection failed"); +  } +} | 
