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This stand alone sketch checks the WiFi functionality of an Arduino board with the WiFi shield or an Intel Galileo board.
/*
// This code is to test WiFi function on Arduino Boards
// It was complied from various examples which can be found:
//
// http://arduino.cc/en/Tutorial/ConnectNoEncryption
// http://arduino.cc/en/Tutorial/ConnectWithWPA
// http://arduino.cc/en/Tutorial/WiFiWebClientRepeating
// http://arduino.cc/en/Reference/WiFiClientConnect
//
// Carlyn Maw 2014
// www.carlynorama.com
// This code is released to the public domain
*/
#include <WiFi.h>
char ssid[] = "CHANGE_TO_YOUR_NETWORK_NAME"; // your network SSID (name)
char pass[] = "CHANGE_TO_YOUR_NETWORK_PASSWORD"; // your network password
int status = WL_IDLE_STATUS; // the Wifi radio's status
// ------------------------------------------------------------- setup()
void setup() {
//Delay start so serial communication and sketch updating
//dont intrfere with each other on the Intel Galileo board
delay(5000);
//Intialize serial
Serial.begin(9600);
//Both of the below functions connect to the wifi card
//and verify that a connection to the local network
//has been made.
wifiNotEncrypted();
//wifiEncrypted();
connectToTestPage();
}
// --------------------------------------------------------- END setup()
// -------------------------------------------------------------- loop()
void loop() {
// put your main code here, to run repeatedly:
}
// ---------------------------------------------------------- END loop()
// -------------------------------------------------- wifiNotEncrypted()
void wifiNotEncrypted() {
// check for the presence of the shield:
if (WiFi.status() == WL_NO_SHIELD) {
Serial.println("WiFi shield not present");
// don't continue:
while(true);
}
String fv = WiFi.firmwareVersion();
if( fv != "1.1.0" )
Serial.println("Please upgrade the firmware");
// attempt to connect to Wifi network:
while ( status != WL_CONNECTED) {
Serial.print("Attempting to connect to open SSID: ");
Serial.println(ssid);
status = WiFi.begin(ssid);
// wait 10 seconds for connection:
delay(10000);
}
// you're connected now, so print out the data:
Serial.print("You're connected to the network\n");
printCurrentNet();
printWifiData();
}
// ---------------------------------------------- END wifiNotEncrypted()
//------------------------------------------------------ wifiEncrypted()
void wifiEncrypted() {
// check for the presence of the shield:
if (WiFi.status() == WL_NO_SHIELD) {
Serial.println("WiFi shield not present");
// don't continue:
while(true);
}
String fv = WiFi.firmwareVersion();
if( fv != "1.1.0" )
Serial.println("Please upgrade the firmware");
// attempt to connect to Wifi network:
while ( status != WL_CONNECTED) {
Serial.print("Attempting to connect to WPA SSID: ");
Serial.println(ssid);
// Connect to WPA/WPA2 network:
status = WiFi.begin(ssid, pass);
// wait 10 seconds for connection:
delay(10000);
}
// you're connected now, so print out the data:
Serial.print("You're connected to the network\n");
printCurrentNet();
printWifiData();
}
//-------------------------------------------------- END wifiEncrypted()
//------------------------------------------------------ printWifiData()
void printWifiData() {
// print your WiFi shield's IP address:
IPAddress ip = WiFi.localIP();
Serial.print("IP Address: ");
Serial.println(ip);
// print your MAC address:
byte mac[6];
WiFi.macAddress(mac);
Serial.print("MAC address: ");
Serial.print(mac[5],HEX);
Serial.print(":");
Serial.print(mac[4],HEX);
Serial.print(":");
Serial.print(mac[3],HEX);
Serial.print(":");
Serial.print(mac[2],HEX);
Serial.print(":");
Serial.print(mac[1],HEX);
Serial.print(":");
Serial.println(mac[0],HEX);
}
//-------------------------------------------------- END printWifiData()
//---------------------------------------------------- printCurrentNet()
void printCurrentNet() {
// print the SSID of the network you're attached to:
Serial.print("SSID: ");
Serial.println(WiFi.SSID());
// print the MAC address of the router you're attached to:
byte bssid[6];
WiFi.BSSID(bssid);
Serial.print("BSSID: ");
Serial.print(bssid[5],HEX);
Serial.print(":");
Serial.print(bssid[4],HEX);
Serial.print(":");
Serial.print(bssid[3],HEX);
Serial.print(":");
Serial.print(bssid[2],HEX);
Serial.print(":");
Serial.print(bssid[1],HEX);
Serial.print(":");
Serial.println(bssid[0],HEX);
// print the received signal strength:
long rssi = WiFi.RSSI();
Serial.print("signal strength (RSSI):");
Serial.println(rssi);
// print the encryption type:
byte encryption = WiFi.encryptionType();
Serial.print("Encryption Type:");
Serial.println(encryption,HEX);
Serial.println();
}
//------------------------------------------------ END printCurrentNet()
//-------------------------------------------------- connectToTestPage()
void connectToTestPage() {
char server[] = "www.arduino.cc";
WiFiClient client;
// if there's a successful connection:
if (client.connect(server, 80)) {
Serial.println("connecting...");
// send the HTTP PUT request:
client.println("GET /latest.txt HTTP/1.1");
client.println("Host: www.arduino.cc");
client.println("User-Agent: ArduinoWiFi/1.1");
client.println("Connection: close");
client.println();
while (client.available()) {
char c = client.read();
Serial.write(c);
}
}
else {
// if you couldn't make a connection:
Serial.println("connection failed");
}
if (!client.connected()) {
Serial.println();
Serial.println("disconnecting from server.");
client.stop();
}
}
//---------------------------------------------- END connectToTestPage()
//---------------------------------------------------- connectToGoogle()
void connectToGoogle() {
char server[] = "www.google.com";
WiFiClient client;
Serial.println("\nStarting connection to server...");
// if you get a connection, report back via serial:
if (client.connect(server, 80)) {
Serial.println("connected to server");
// Make a HTTP request:
client.println("GET /search?q=arduino HTTP/1.1");
client.println("Host: www.google.com");
client.println("Connection: close");
client.println();
while (client.available()) {
char c = client.read();
Serial.write(c);
}
}
else {
// if you couldn't make a connection:
Serial.println("connection failed");
}
// if the server's disconnected, stop the client:
if (!client.connected()) {
Serial.println();
Serial.println("disconnecting from server.");
client.stop();
}
}
//------------------------------------------------ END connectToGoogle()
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