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-rw-r--r--libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino119
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diff --git a/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino b/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino
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--- a/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino
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-/*
-
- This example prints the Wifi shield's MAC address, and
- scans for available Wifi networks using the Wifi shield.
- Every ten seconds, it scans again. It doesn't actually
- connect to any network, so no encryption scheme is specified.
-
- Circuit:
- * WiFi shield attached
-
- created 13 July 2010
- by dlf (Metodo2 srl)
- modified 21 Junn 2012
- by Tom Igoe and Jaymes Dec
- */
-
-
-#include <SPI.h>
-#include <WiFi.h>
-
-void setup() {
- //Initialize serial and wait for port to open:
- Serial.begin(9600);
- while (!Serial) {
- ; // wait for serial port to connect. Needed for Leonardo only
- }
-
- // check for the presence of the shield:
- if (WiFi.status() == WL_NO_SHIELD) {
- Serial.println("WiFi shield not present");
- // don't continue:
- while(true);
- }
-
- // Print WiFi MAC address:
- printMacAddress();
-
- // scan for existing networks:
- Serial.println("Scanning available networks...");
- listNetworks();
-}
-
-void loop() {
- delay(10000);
- // scan for existing networks:
- Serial.println("Scanning available networks...");
- listNetworks();
-}
-
-void printMacAddress() {
- // the MAC address of your Wifi shield
- byte mac[6];
-
- // print your MAC address:
- WiFi.macAddress(mac);
- Serial.print("MAC: ");
- 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);
-}
-
-void listNetworks() {
- // scan for nearby networks:
- Serial.println("** Scan Networks **");
- int numSsid = WiFi.scanNetworks();
- if (numSsid == -1)
- {
- Serial.println("Couldn't get a wifi connection");
- while(true);
- }
-
- // print the list of networks seen:
- Serial.print("number of available networks:");
- Serial.println(numSsid);
-
- // print the network number and name for each network found:
- for (int thisNet = 0; thisNet<numSsid; thisNet++) {
- Serial.print(thisNet);
- Serial.print(") ");
- Serial.print(WiFi.SSID(thisNet));
- Serial.print("\tSignal: ");
- Serial.print(WiFi.RSSI(thisNet));
- Serial.print(" dBm");
- Serial.print("\tEncryption: ");
- printEncryptionType(WiFi.encryptionType(thisNet));
- }
-}
-
-void printEncryptionType(int thisType) {
- // read the encryption type and print out the name:
- switch (thisType) {
- case ENC_TYPE_WEP:
- Serial.println("WEP");
- break;
- case ENC_TYPE_TKIP:
- Serial.println("WPA");
- break;
- case ENC_TYPE_CCMP:
- Serial.println("WPA2");
- break;
- case ENC_TYPE_NONE:
- Serial.println("None");
- break;
- case ENC_TYPE_AUTO:
- Serial.println("Auto");
- break;
- }
-}
-
-
-