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139 lines
3.2 KiB
C++
139 lines
3.2 KiB
C++
/*
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Open connection using the WiFi shield. Attempts to connect
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and prints out info about the network
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Circuit:
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* WiFi shield attached
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created 13 July 2010
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by dlf (Metodo2 srl)
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modified 10 Jan 2012
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by Tom Igoe
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*/
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#include <SPI.h>
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#include <WiFi.h>
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char ssid[] = "yourNetwork"; // the name of your network
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int status = WL_IDLE_STATUS; // the Wifi radio's status
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byte mac[6]; // the MAC address of your Wifi shield
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IPAddress ip; // the IP address of your shield
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IPAddress gateway; // the router's address
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IPAddress subnet; // the subnet mask
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void setup() {
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// initialize serial:
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Serial.begin(9600);
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// attempt to connect using WEP encryption:
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Serial.println("Attempting to connect to open network...");
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status = WiFi.begin(ssid);
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// scan for existing networks:
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Serial.println("Scanning available networks...");
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scanNetworks();
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Serial.print("SSID: ");
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Serial.println(ssid);
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// if you're not connected, stop here:
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if ( status != WL_CONNECTED) {
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Serial.println("Couldn't get a wifi connection");
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while(true);
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}
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// if you are connected, print out info about the connection:
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else {
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printIpData();
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printCurrentNet();
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}
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}
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void loop() {
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// do nothing
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}
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void printIpData() {
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// print your WiFi shield's IP address:
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ip = WiFi.localIP();
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Serial.println(ip);
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// print your subnet mask:
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subnet = WiFi.subnetMask();
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Serial.print("NETMASK: ");
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Serial.println(subnet);
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// print your gateway address:
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gateway = WiFi.gatewayIP();
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Serial.print("GATEWAY: ");
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Serial.println(gateway);
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// print your MAC address:
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WiFi.macAddress(mac);
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Serial.print("MAC: ");
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Serial.print(mac[5],HEX);
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Serial.print(":");
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Serial.print(mac[4],HEX);
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Serial.print(":");
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Serial.print(mac[3],HEX);
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Serial.print(":");
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Serial.print(mac[2],HEX);
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Serial.print(":");
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Serial.print(mac[1],HEX);
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Serial.print(":");
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Serial.println(mac[0],HEX);
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}
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void printCurrentNet() {
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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 the MAC address of the router you're attached to:
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byte bssid[6];
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WiFi.BSSID(bssid);
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Serial.print("BSSID: ");
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Serial.print(bssid[5],HEX);
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Serial.print(":");
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Serial.print(bssid[4],HEX);
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Serial.print(":");
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Serial.print(bssid[3],HEX);
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Serial.print(":");
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Serial.print(bssid[2],HEX);
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Serial.print(":");
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Serial.print(bssid[1],HEX);
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Serial.print(":");
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Serial.println(bssid[0],HEX);
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// print the received signal strength:
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long rssi = WiFi.RSSI();
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Serial.print("RSSI:");
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Serial.println(rssi);
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// print the encryption type:
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byte encryption = WiFi.encryptionType();
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Serial.print("Encryption Type:");
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Serial.println(encryption,HEX);
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}
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void scanNetworks() {
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// scan for nearby networks:
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Serial.println("** Scan Networks **");
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byte numSsid = WiFi.scanNetworks();
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// print the list of networks seen:
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Serial.print("SSID List:");
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Serial.println(numSsid);
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// print the network number and name for each network found:
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for (int thisNet = 0; thisNet<numSsid; thisNet++) {
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Serial.print(thisNet);
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Serial.print(") Network: ");
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Serial.println(WiFi.SSID(thisNet));
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}
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}
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