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-rw-r--r--libraries/Ethernet/examples/CosmClient/CosmClient.ino161
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diff --git a/libraries/Ethernet/examples/CosmClient/CosmClient.ino b/libraries/Ethernet/examples/CosmClient/CosmClient.ino
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-/*
- Cosm sensor client
-
- This sketch connects an analog sensor to Cosm (http://www.cosm.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 cosm.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 14 May 2012
- by Tom Igoe with input from Usman Haque and Joe Saavedra
-
-http://arduino.cc/en/Tutorial/CosmClient
- This code is in the public domain.
-
- */
-
-#include <SPI.h>
-#include <Ethernet.h>
-
-#define APIKEY "YOUR API KEY GOES HERE" // replace your Cosm 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(216,52,233,121); // numeric IP for api.cosm.com
-char server[] = "api.cosm.com"; // name address for cosm 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 = 10L*1000L; // delay between updates to cosm.com
- // the "L" is needed to use long type numbers
-
-
-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");
- // 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.cosm.com");
- client.print("X-ApiKey: ");
- 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;
-}
-