diff --git a/WiFi/examples/WifiPachubeClient/WifiPachubeClient.ino b/WiFi/examples/WifiPachubeClient/WifiPachubeClient.ino new file mode 100644 index 000000000..20cf86bc0 --- /dev/null +++ b/WiFi/examples/WifiPachubeClient/WifiPachubeClient.ino @@ -0,0 +1,146 @@ +/* + Wifi Pachube sensor client + + This sketch connects an analog sensor to Pachube (http://www.pachube.com) + using an Arduino Wifi shield. + + 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 + * Wifi shield attached to pins 10, 11, 12, 13 + + created 2 March 2012 + by Tom Igoe + + This code is in the public domain. + + */ + +#include +#include + +#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 + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password +int status = WL_IDLE_STATUS; + +// initialize the library instance: +WiFiClient 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); + status = WiFi.begin(ssid, pass); + if ( status != WL_CONNECTED) { + Serial.println("Couldn't get a wifi connection"); + while(true); + } + else { + Serial.println("Connected to wifi"); + } +} + + +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: + 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: + // 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.print("sensor1,"); + 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"); + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + lastConnected = client.connected(); + } +} + + +// 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; +} + diff --git a/WiFi/examples/WifiPachubeClientString/WifiPachubeClientString.ino b/WiFi/examples/WifiPachubeClientString/WifiPachubeClientString.ino new file mode 100644 index 000000000..0f0697e0b --- /dev/null +++ b/WiFi/examples/WifiPachubeClientString/WifiPachubeClientString.ino @@ -0,0 +1,127 @@ +/* + Wifi Pachube sensor client with Strings + + This sketch connects an analog sensor to Pachube (http://www.pachube.com) + using a Arduino Wifi shield. + + This example uses the String library, which is part of the Arduino core from + version 0019. + + Circuit: + * Analog sensor attached to analog in 0 + * Wifi shield attached to pins 10, 11, 12, 13 + + created 2 March 2012 + by Tom Igoe + + This code is in the public domain. + + */ + +#include +#include + +#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 + +char ssid[] = "yourNetwork"; // your network SSID (name) +char pass[] = "secretPassword"; // your network password +int status = WL_IDLE_STATUS; + +// initialize the library instance: +WiFiClient 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); + status = WiFi.begin(ssid, pass); + if ( status != WL_CONNECTED) { + Serial.println("Couldn't get a wifi connection"); + while(true); + } + else { + Serial.println("Connected to wifi"); + } +} + +void loop() { + // read the analog sensor: + int sensorReading = analogRead(A0); + // convert the data to a String to send it: + + 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 += "\nsensor2,"; + dataString += 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("api.pachube.com", 80)) { + Serial.println("connecting..."); + // 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); + + // 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"); + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + lastConnected = client.connected(); + } +}