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authorCristian Maglie <c.maglie@bug.st>2012-10-22 09:17:24 +0200
committerCristian Maglie <c.maglie@bug.st>2012-10-22 09:17:24 +0200
commite03133b1b43fd445d3ed79a83d12786ef351cd35 (patch)
treeb8c10307727d0cb1571b1eb139f2f98537e29995 /libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino
parent46d658fac872f7aa8856c792b1744b74f2d9946d (diff)
Moved WiFi library in the proper place
Diffstat (limited to 'libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino')
-rw-r--r--libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino119
1 files changed, 119 insertions, 0 deletions
diff --git a/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino b/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino
new file mode 100644
index 0000000..93b3000
--- /dev/null
+++ b/libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino
@@ -0,0 +1,119 @@
+/*
+
+ 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;
+ }
+}
+
+
+