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authorCristian Maglie <c.maglie@bug.st>2012-01-04 15:14:51 +0100
committerCristian Maglie <c.maglie@bug.st>2012-01-04 15:14:51 +0100
commit8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 (patch)
tree19ac8d91c7209397e7dc890b432a254ae9a7cd62 /libraries/Ethernet/examples/PachubeClientString
parentbe52c95820400d48e47615232d3c38236166fad3 (diff)
Moved libraries folder inside platform folder. Now libraries and examples are searched per board/platform
Diffstat (limited to 'libraries/Ethernet/examples/PachubeClientString')
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+/*
+ 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 26 Oct 2011
+ 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};
+// 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);
+ // 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);
+ // 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");
+ }
+}