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WiFi101
WiFi.scanNetworks()
Description
Scans for available WiFi networks and returns the discovered number
Syntax
WiFi.scanNetworks();
Parameters
none
Returns
byte : number of discovered networks
Example
#include <SPI.h>
#include <WiFi101.h>
char ssid[
]
=
"yourNetwork"
; // the name of your network
int status = WL_IDLE_STATUS; // the Wifi radio's status
byte mac[
6
]
; // the MAC address of your Wifi shield
void
setup
(
)
{
Serial.begin
(
9600
)
;
status = WiFi.begin
(ssid)
;
if
( status != WL_CONNECTED)
{
Serial.println
(
"Couldn't get a wifi connection"
)
;
while
(
true
)
;
}
// if you are connected, print your MAC address:
else
{
Serial.println
(
"** Scan Networks **"
)
;
byte numSsid = WiFi.scanNetworks
(
)
;
Serial.print
(
"SSID List:"
)
;
Serial.println
(numSsid)
;
}
}
void
loop
(
)
{
}
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The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.