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sandeepmistrysandeepmistry
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Initial port of examples from RestClient
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‎examples/DweetGet/DweetGet.ino

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/*
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Dweet.io GET client for ArduinoHttpClient library
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Connects to dweet.io once every ten seconds,
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sends a GET request and a request body. Uses SSL
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Shows how to use Strings to assemble path and parse content
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from response. dweet.io expects:
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https://dweet.io/get/latest/dweet/for/thingName
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For more on dweet.io, see https://dweet.io/play/
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note: WiFi SSID and password are stored in config.h file.
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If it is not present, add a new tab, call it "config.h"
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and add the following variables:
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char ssid[] = "ssid"; // your network SSID (name)
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char pass[] = "password"; // your network password
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created 15 Feb 2016
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updated 16 Feb 2016
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by Tom Igoe
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this example is in the public domain
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*/
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#include <ArduinoHttpClient.h>
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#include <WiFi101.h>
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#include "config.h"
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const char serverAddress[] = "dweet.io"; // server address
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int port = 80;
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String dweetName = "scandalous-cheese-hoarder"; // use your own thing name here
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WiFiClient wifi;
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HttpClient client = HttpClient(wifi, serverAddress, port);
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int status = WL_IDLE_STATUS;
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int statusCode = 0;
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int contentLength = 0;
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String response;
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void setup() {
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Serial.begin(9600);
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while (!Serial);
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while ( status != WL_CONNECTED) {
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Serial.print("Attempting to connect to Network named: ");
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Serial.println(ssid); // print the network name (SSID);
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// Connect to WPA/WPA2 network:
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status = WiFi.begin(ssid, pass);
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}
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// print the SSID of the network you're attached to:
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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// print your WiFi shield's IP address:
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IPAddress ip = WiFi.localIP();
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Serial.print("IP Address: ");
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Serial.println(ip);
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}
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void loop() {
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// assemble the path for the GET message:
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String path = "/get/latest/dweet/for/" + dweetName;
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// send the GET request
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Serial.println("making GET request");
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client.beginRequest();
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client.get(path);
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client.endRequest();
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// read the status code of the response
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statusCode = client.responseStatusCode();
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Serial.print("Status code: ");
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Serial.println(statusCode);
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// read the content length of the response
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contentLength = client.contentLength();
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Serial.print("Content Length: ");
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Serial.println(contentLength);
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// read the response body
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response = "";
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response.reserve(contentLength);
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while (client.available()) {
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response += (char)client.read();
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}
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Serial.print("Response: ");
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Serial.println(response);
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/*
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Typical response is:
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{"this":"succeeded",
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"by":"getting",
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"the":"dweets",
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"with":[{"thing":"my-thing-name",
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"created":"2016-02-16T05:10:36.589Z",
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"content":{"sensorValue":456}}]}
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You want "content": numberValue
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*/
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// now parse the response looking for "content":
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int labelStart = response.indexOf("content\":");
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// find the first { after "content":
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int contentStart = response.indexOf("{", labelStart);
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// find the following } and get what's between the braces:
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int contentEnd = response.indexOf("}", labelStart);
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String content = response.substring(contentStart + 1, contentEnd);
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Serial.println(content);
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// now get the value after the colon, and convert to an int:
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int valueStart = content.indexOf(":");
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String valueString = content.substring(valueStart + 1);
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int number = valueString.toInt();
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Serial.print("Value string: ");
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Serial.println(valueString);
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Serial.print("Actual value: ");
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Serial.println(number);
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Serial.println("Wait ten seconds\n");
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delay(10000);
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}

‎examples/DweetGet/config.h

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char ssid[] = "ssid"; // your network SSID (name)
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char pass[] = "password"; // your network password

‎examples/DweetPost/DweetPost.ino

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/*
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Dweet.io POST client for ArduinoHttpClient library
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Connects to dweet.io once every ten seconds,
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sends a POST request and a request body.
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Shows how to use Strings to assemble path and body
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note: WiFi SSID and password are stored in config.h file.
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If it is not present, add a new tab, call it "config.h"
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and add the following variables:
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char ssid[] = "ssid"; // your network SSID (name)
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char pass[] = "password"; // your network password
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created 15 Feb 2016
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by Tom Igoe
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this example is in the public domain
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*/
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#include <ArduinoHttpClient.h>
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#include <WiFi101.h>
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#include "config.h"
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const char serverAddress[] = "dweet.io"; // server address
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int port = 80;
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WiFiClient wifi;
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HttpClient client = HttpClient(wifi, serverAddress, port);
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int status = WL_IDLE_STATUS;
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int statusCode = 0;
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int contentLength = 0;
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String response;
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void setup() {
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Serial.begin(9600);
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while(!Serial);
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while ( status != WL_CONNECTED) {
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Serial.print("Attempting to connect to Network named: ");
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Serial.println(ssid); // print the network name (SSID);
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// Connect to WPA/WPA2 network:
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status = WiFi.begin(ssid, pass);
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}
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// print the SSID of the network you're attached to:
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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// print your WiFi shield's IP address:
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IPAddress ip = WiFi.localIP();
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Serial.print("IP Address: ");
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Serial.println(ip);
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}
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void loop() {
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// assemble the path for the POST message:
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String dweetName = "scandalous-cheese-hoarder";
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String path = "/dweet/for/" + dweetName;
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// assemble the body of the POST message:
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int sensorValue = analogRead(A0);
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String postData = "{\"sensorValue\":\"";
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postData += sensorValue;
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postData += "\"}";
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Serial.println("making POST request");
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// send the POST request
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client.beginRequest();
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client.post(path);
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client.sendHeader("Content-Type", "application/json");
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client.sendHeader("Content-Length", postData.length());
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client.endRequest();
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client.write((const byte*)postData.c_str(), postData.length());
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// read the status code and content length of the response
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statusCode = client.responseStatusCode();
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contentLength = client.contentLength();
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// read the response body
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response = "";
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response.reserve(contentLength);
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while (client.available()) {
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response += (char)client.read();
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}
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Serial.print("Status code: ");
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Serial.println(statusCode);
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Serial.print("Response: ");
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Serial.println(response);
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Serial.println("Wait ten seconds\n");
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delay(10000);
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}

‎examples/DweetPost/config.h

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char ssid[] = "ssid"; // your network SSID (name)
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char pass[] = "password"; // your network password

‎examples/HueBlink/HueBlink.ino

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/* HueBlink example for ArduinoHttpClient library
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Uses ArduinoHttpClient library to control Philips Hue
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For more on Hue developer API see http://developer.meethue.com
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To control a light, the Hue expects a HTTP PUT request to:
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http://hue.hub.address/api/hueUserName/lights/lightNumber/state
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The body of the PUT request looks like this:
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{"on": true} or {"on":false}
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This example shows how to concatenate Strings to assemble the
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PUT request and the body of the request.
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note: WiFi SSID and password are stored in config.h file.
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If it is not present, add a new tab, call it "config.h"
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and add the following variables:
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char ssid[] = "ssid"; // your network SSID (name)
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char pass[] = "password"; // your network password
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modified 15 Feb 2016
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by Tom Igoe (tigoe) to match new API
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*/
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#include <SPI.h>
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#include <WiFi101.h>
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#include <ArduinoHttpClient.h>
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#include "config.h"
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int status = WL_IDLE_STATUS; // the Wifi radio's status
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char hueHubIP[] = "192.168.0.3"; // IP address of the HUE bridge
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String hueUserName = "huebridgeusername"; // hue bridge username
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// make a wifi instance and a HttpClient instance:
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WiFiClient wifi;
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HttpClient httpClient = HttpClient(wifi, hueHubIP);
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void setup() {
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//Initialize serial and wait for port to open:
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Serial.begin(9600);
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while (!Serial); // wait for serial port to connect.
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// attempt to connect to Wifi network:
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while ( status != WL_CONNECTED) {
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Serial.print("Attempting to connect to WPA SSID: ");
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Serial.println(ssid);
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// Connect to WPA/WPA2 network:
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status = WiFi.begin(ssid, pass);
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}
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// you're connected now, so print out the data:
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Serial.print("You're connected to the network IP = ");
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IPAddress ip = WiFi.localIP();
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Serial.println(ip);
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}
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void loop() {
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sendRequest(3, "on", "true"); // turn light on
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delay(2000); // wait 2 seconds
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sendRequest(3, "on", "false"); // turn light off
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delay(2000); // wait 2 seconds
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}
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void sendRequest(int light, String cmd, String value) {
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// make a String for the HTTP request path:
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String request = "/api/" + hueUserName;
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request += "/lights/";
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request += light;
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request += "/state/";
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// make a string for the JSON command:
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String hueCmd = "{\"" + cmd;
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hueCmd += "\":";
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hueCmd += value;
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hueCmd += "}";
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// see what you assembled to send:
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Serial.print("PUT request to server: ");
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Serial.println(request);
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Serial.print("JSON command to server: ");
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// make the PUT request to the hub:
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httpClient.beginRequest();
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httpClient.put(request);
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httpClient.sendHeader("Content-Type", "application/json");
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httpClient.sendHeader("Content-Length", hueCmd.length());
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httpClient.endRequest();
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httpClient.write((const byte*)hueCmd.c_str(), hueCmd.length());
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// read the status code and content length of the response
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int statusCode = httpClient.responseStatusCode();
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int contentLength = httpClient.contentLength();
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// read the response body
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String response = "";
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response.reserve(contentLength);
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while (httpClient.available()) {
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response += (char)httpClient.read();
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}
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Serial.println(hueCmd);
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Serial.print("Status code from server: ");
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Serial.println(statusCode);
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Serial.print("Server response: ");
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Serial.println(response);
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Serial.println();
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}
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‎examples/HueBlink/config.h

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char ssid[] = "ssid"; // your network SSID (name)
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char pass[] = "password"; // your network password

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