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Setup WiFi

Introduction​

We want to connect the Omega2/2+ to an existing WiFi network, so that it has internet access.

Scan for available networks​

tip

Skip ahead to the next section if you don't need to scan for available networks.

To see what networks are available, run the following command: iwinfo ra0 scan. You should see a list of available networks along with information about each network.

The list of available networks will look something like this:

Cell 01 - Address: 0C:AC:8A:51:F4:1B 
     ESSID: "ABCD517" 
     Mode: Master Channel: 1 
     Signal: -80 dBm Quality: 30/70 
     Encryption: WPA2 PSK (CCMP) 
     HT Operation: 
           Primary Channel: 1 
           Secondary Channel Offset: no secondary 
           Channel Width: 20 MHz 

Cell 02 - Address: 0C:AC:8A:E3:27:51 
     ESSID: "ABCD791" 
     Mode: Master Channel: 6 
     Signal: -83 dBm Quality: 27/70 
     Encryption: WPA2 PSK (CCMP) 
     HT Operation: 
           Primary Channel: 6 
           Secondary Channel Offset: no secondary 
           Channel Width: 40 MHz or higher

Make sure the network you intend to connect to is on this list!

Connect to a network​

Enter the following command to enable WiFi client mode on the Omega:

uci set wireless.client.disabled='0'

Enter the following commands to connect to a wireless network that uses WPA2 security:

uci set wireless.client.ssid='<YOUR WIFI NETWORK NAME HERE>'
uci set wireless.client.key='<YOUR WIFI NETWORK PASSWORD HERE>'
uci commit wireless
wifi

Replace the placeholders in the command above with the relevant WiFi network name and password.

If a connection is successful, you will see the following message in the kernel logs.

[ 993.442095] apcli0: associated

Check Network Connection is Successful​

If the network connection is successful, the Omega will be given an IP address.

To check the IP address given to the Omega:

ifconfig apcli0

This will return the following information.

omega2-ip-address-check

Note the highlighted IP address inet addr:.

If that line is blank, the Omega was not given an IP address. Double check the network configuration and try again.

More Info

For more information on WiFi networking, please see the article WiFi networking.