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https://github.com/arduino-libraries/ArduinoHttpClient.git
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91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/*
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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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String contentType = "application/json";
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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.post(path, contentType, postData);
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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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}
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