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WiFiWebClientRepeating.ino
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WiFiWebClientRepeating.ino
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/*
Repeating WiFi Web Client
This sketch connects to a a web server and makes a request
using an Arduino WiFi 101 Shield.
Circuit:
WiFi 101 Shield attached to pins SPI pins and pin 7
created 23 April 2012
modified 31 May 2012
by Tom Igoe
modified 13 Jan 2014
by Federico Vanzati
http://arduino.cc/en/Tutorial/WiFiWebClientRepeating
This code is in the public domain.
*/
#include <SPI.h>
#include <WiFi101_Generic.h> // https://github.com/khoih-prog/WiFi101_Generic
#include "arduino_secrets.h"
///////please enter your sensitive data in the Secret tab/arduino_secrets.h
char ssid[] = SECRET_SSID; // your network SSID (name)
char pass[] = SECRET_PASS; // your network password (use for WPA, or use as key for WEP)
int keyIndex = 0; // your network key Index number (needed only for WEP)
int status = WL_IDLE_STATUS;
// Initialize the WiFi client library
WiFiClient client;
// server address:
char server[] = "example.org";
//IPAddress server(64,131,82,241);
unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
const unsigned long postingInterval = 10L * 1000L; // delay between updates, in milliseconds
void setup()
{
//Initialize serial and wait for port to open:
Serial.begin(115200);
while (!Serial && millis() < 5000);
delay(500);
// check for the presence of the shield:
if (WiFi.status() == WL_NO_SHIELD)
{
Serial.println("WiFi 101 Shield not present");
// don't continue:
while (true);
}
// attempt to connect to WiFi network:
while ( status != WL_CONNECTED)
{
Serial.print("Attempting to connect to SSID: ");
Serial.println(ssid);
// Connect to WPA/WPA2 network. Change this line if using open or WEP network:
status = WiFi.begin(ssid, pass);
// wait 10 seconds for connection:
delay(10000);
}
// you're connected now, so print out the status:
printWiFiStatus();
}
void loop()
{
// if there's incoming data from the net connection.
// send it out the serial port. This is for debugging
// purposes only:
while (client.available())
{
char c = client.read();
Serial.write(c);
}
// if ten seconds have passed since your last connection,
// then connect again and send data:
if (millis() - lastConnectionTime > postingInterval)
{
httpRequest();
}
}
// this method makes a HTTP connection to the server:
void httpRequest()
{
// close any connection before sending a new request.
// This will free the socket on the WiFi 101 Shield
client.stop();
// if there's a successful connection:
if (client.connect(server, 80))
{
Serial.println("connecting...");
// send the HTTP PUT request:
client.println("GET / HTTP/1.1");
client.println("Host: example.org");
client.println("User-Agent: ArduinoWiFi/1.1");
client.println("Connection: close");
client.println();
// note the time that the connection was made:
lastConnectionTime = millis();
}
else
{
// if you couldn't make a connection:
Serial.println("connection failed");
}
}
void printWiFiStatus()
{
// print the SSID of the network you're attached to:
Serial.print("SSID: ");
Serial.println(WiFi.SSID());
// print your WiFi 101 Shield's IP address:
IPAddress ip = WiFi.localIP();
Serial.print("IP Address: ");
Serial.println(ip);
// print the received signal strength:
long rssi = WiFi.RSSI();
Serial.print("signal strength (RSSI):");
Serial.print(rssi);
Serial.println(" dBm");
}