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Code Issues Releases Activity

Updated Wifi Connect with WEP example to explain 40- vs 128-bit

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This commit is contained in:
Tom Igoe 2012-03-04 15:14:12 -05:00
parent 15d7873d24
commit 0ddbfd0e95
1 changed files with 26 additions and 15 deletions
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41
WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino
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@ -1,23 +1,33 @@
/* /*
This example connects to an unencrypted Wifi network. This example connects to a WEP-encrypted Wifi network.
Then it prints the MAC address of the Wifi shield, Then it prints the MAC address of the Wifi shield,
the IP address obtained, and other network details. the IP address obtained, and other network details.
If you use 40-bit WEP, you need a key that is 10 characters long,
and the characters must be hexadecimal (0-9 or A-F).
e.g. for 40-bit, ABBADEAF01 will work, but ABBADEAF won't work
(too short) and ABBAISDEAF won't work (I and S are not
hexadecimal characters).
For 128-bit, you need a string that is 26 characters long.
D0D0DEADF00DABBADEAFBEADED will work because it's 26 characters,
all in the 0-9, A-F range.
Circuit: Circuit:
* WiFi shield attached * WiFi shield attached
created 13 July 2010 created 13 July 2010
by dlf (Metodo2 srl) by dlf (Metodo2 srl)
modified 29 Feb 2012 modified 4 Mar 2012
by Scott Fitzgerald by Tom Igoe
*/ */
#include <WiFi.h> #include <WiFi.h>
char ssid[] = "YourNetwork"; // your network SSID (name) char ssid[] = "yourNetwork"; // your network SSID (name)
char key[] = "725d223132"; // your network key char key[] = "D0D0DEADF00DABBADEAFBEADED"; // your network key
int keyIndex = 0; // your network key Index number int keyIndex = 0; // your network key Index number
int status = WL_IDLE_STATUS; // the Wifi radio's status int status = WL_IDLE_STATUS; // the Wifi radio's status
void setup() { void setup() {
// initialize serial: // initialize serial:
@ -26,8 +36,8 @@ void setup() {
// attempt to connect to an open network: // attempt to connect to an open network:
Serial.print("Attempting to connect to WEP network: "); Serial.print("Attempting to connect to WEP network: ");
Serial.println(ssid); Serial.println(ssid);
status = WiFi.begin(ssid, pass, key); status = WiFi.begin(ssid, keyIndex, key);
// if you're not connected, stop here: // if you're not connected, stop here:
if ( status != WL_CONNECTED) { if ( status != WL_CONNECTED) {
Serial.println("Couldn't get a wifi connection"); Serial.println("Couldn't get a wifi connection");
@ -35,9 +45,9 @@ void setup() {
} }
// if you are connected : // if you are connected :
else { else {
Serial.print("You're connected to the network"); Serial.print("You're connected to the network");
printCurrentNet(); printCurrentNet();
printWifiData(); printWifiData();
} }
} }
@ -52,7 +62,7 @@ void printWifiData() {
IPAddress ip = WiFi.localIP(); IPAddress ip = WiFi.localIP();
Serial.print("IP Address: "); Serial.print("IP Address: ");
Serial.println(ip); Serial.println(ip);
// print your MAC address: // print your MAC address:
byte mac[6]; byte mac[6];
WiFi.macAddress(mac); WiFi.macAddress(mac);
@ -103,3 +113,4 @@ void printCurrentNet() {
Serial.println(); Serial.println();
} }