Updated Ethernet PachubeClient and PachubeClientString examples to use Pachube API 2.0

Author: Tom Igoe

libraries/Ethernet/examples/PachubeClient/PachubeClient.ino

@@ -6,22 +6,33 @@
  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
- updated 26 Oct 2011
- by Tom Igoe
+ updated 27 Feb 2012
+ by Tom Igoe with input from Usman Haque and Joe Saavedra
  
- http://www.tigoe.net/pcomp/code/category/arduinowiring/873
+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:
@@ -41,19 +52,10 @@ const int postingInterval = 10000;  //delay between updates to Pachube.com
 void setup() {
   // start serial port:
   Serial.begin(9600);
-  // start the Ethernet connection:
+ // 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:
+    // DHCP failed, so use a fixed IP address:
     Ethernet.begin(mac, ip);
   }
 }
@@ -93,31 +95,40 @@ 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");
+   // send the HTTP PUT request:
+    client.print("PUT /v2/feeds/");
+    client.print(FEEDID);
+    client.println(".csv HTTP/1.1");
+    client.print("Host: api.pachube.com\n");
+    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:
-    int thisLength = getLength(thisData);
-    client.println(thisLength, DEC);
+    // 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.print("Content-Type: text/csv\n");
     client.println("Connection: close\n");
 
     // here's the actual content of the PUT request:
-    client.println(thisData, DEC);
+     client.print("sensor1,");
+    client.println(thisData);
 
     // note the time that the connection was made:
     lastConnectionTime = millis();
   } 
   else {
-    // if you couldn't make a connection:
+  // if you couldn't make a connection:
     Serial.println("connection failed");
+    Serial.println();
+    Serial.println("disconnecting.");
+    client.stop();
+    lastConnected = client.connected();
   }
 }
 

libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino

@@ -6,6 +6,10 @@
  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 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.  
  
@@ -14,23 +18,29 @@
  * Ethernet shield attached to pins 10, 11, 12, 13
  
  created 15 March 2010
- updated 26 Oct 2011
- by Tom Igoe
+ updated 27 Feb 2012
+ by Tom Igoe with input from Usman Haque and Joe Saavedra
  
+ http://arduino.cc/en/Tutorial/PachubeClientString
  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.
 // fill in your address here:
-byte mac[] = { 
+  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);
+IPAddress ip(10,0,0,20);
 
 // initialize the library instance:
 EthernetClient client;
@@ -47,7 +57,7 @@ void setup() {
   // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {
     Serial.println("Failed to configure Ethernet using DHCP");
-    // Configure manually:
+    // DHCP failed, so use a fixed IP address:
     Ethernet.begin(mac, ip);
   }
 }
@@ -56,13 +66,15 @@ void loop() {
   // read the analog sensor:
   int sensorReading = analogRead(A0);   
   // convert the data to a String to send it:
-  String dataString = String(sensorReading);
+  
+  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 += ",";
-  dataString += String(otherSensorReading);
+  dataString += "\nsensor2,";
+  dataString += otherSensorReading;
 
   // if there's incoming data from the net connection.
   // send it out the serial port.  This is for debugging
@@ -93,14 +105,17 @@ void loop() {
 // 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)) {
+  if (client.connect("api.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");
+    // send the HTTP PUT request:
+    client.print("PUT /v2/feeds/");
+    client.print(FEEDID);
+    client.println(".csv HTTP/1.1");
+    client.print("Host: api.pachube.com\n");
+    client.print("X-PachubeApiKey: ");
+    client.println(APIKEY);
+    client.print("User-Agent: ");
+    client.println(USERAGENT);
     client.print("Content-Length: ");
     client.println(thisData.length(), DEC);
 
@@ -117,5 +132,11 @@ void sendData(String thisData) {
   else {
     // if you couldn't make a connection:
     Serial.println("connection failed");
+    Serial.println();
+    Serial.println("disconnecting.");
+    client.stop();
+    lastConnected = client.connected();
   }
 }
+
+