Difference between revisions of "Transclusion: Debian: CL-SOM-iMX7: WiFi"
(New page: CL-SOM-iMX7 features 802.11b/g/n wireless connectivity solution, implemented with a TI WiLink8 Combo module. ==== WiFi Initialization ==== * WiFi requires no user interaction for being co...) |
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Make sure that the WiFi driver is loaded: | Make sure that the WiFi driver is loaded: | ||
<pre> | <pre> | ||
| − | root@cl- | + | root@cl-rootfs:~# lsmod | grep wl18xx |
wl18xx 70950 0 | wl18xx 70950 0 | ||
</pre> | </pre> | ||
The WiFi driver can be loaded manually: | The WiFi driver can be loaded manually: | ||
<pre> | <pre> | ||
| − | root@cl- | + | root@cl-rootfs:~# modprobe wl18xx |
wlcore: ERROR could not get configuration binary ti-connectivity/wl18xx-conf.bin: -2 | wlcore: ERROR could not get configuration binary ti-connectivity/wl18xx-conf.bin: -2 | ||
wlcore: WARNING falling back to default config | wlcore: WARNING falling back to default config | ||
| Line 16: | Line 16: | ||
wlcore: loaded | wlcore: loaded | ||
</pre> | </pre> | ||
| − | * {{cmd|iwconfig}} command from {{ | + | * {{cmd|iwconfig}} command from {{filename|wireless-tools}} package can be used to retrieve detailed information about the WiFi interfaces: |
<pre> | <pre> | ||
| − | root@cl- | + | root@cl-rootfs:~# iwconfig wlan0 |
wlan0 IEEE 802.11abgn ESSID:off/any | wlan0 IEEE 802.11abgn ESSID:off/any | ||
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm | Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm | ||
| Line 27: | Line 27: | ||
* Activate the interface: | * Activate the interface: | ||
<pre> | <pre> | ||
| − | root@cl- | + | root@cl-rootfs:~# ifconfig wlan0 up |
</pre> | </pre> | ||
* Sample WiFi scanning: | * Sample WiFi scanning: | ||
<pre> | <pre> | ||
| − | root@cl- | + | root@cl-rootfs:~# iwlist wlan0 scan |
</pre> | </pre> | ||
The output will show the list of Access Points and Ad-Hoc cells in range. | The output will show the list of Access Points and Ad-Hoc cells in range. | ||
| Line 42: | Line 42: | ||
<pre> | <pre> | ||
| − | root@cl- | + | root@cl-rootfs:~# cat << eof > /etc/wpa_supplicant.conf |
ctrl_interface=/var/run/wpa_supplicant | ctrl_interface=/var/run/wpa_supplicant | ||
| Line 54: | Line 54: | ||
* Sample run | * Sample run | ||
<pre> | <pre> | ||
| − | root@cl- | + | root@cl-rootfs:~# ifconfig wlan0 up |
| − | root@cl- | + | root@cl-rootfs:~# wpa_supplicant -B -Dwext -c /etc/wpa_supplicant.conf -i wlan0 |
| − | root@cl- | + | root@cl-rootfs:~# dhclient wlan0 |
</pre> | </pre> | ||
Revision as of 14:17, 8 May 2017
CL-SOM-iMX7 features 802.11b/g/n wireless connectivity solution, implemented with a TI WiLink8 Combo module.
WiFi Initialization
- WiFi requires no user interaction for being configured. The driver gets loaded automatically.
Make sure that the WiFi driver is loaded:
root@cl-rootfs:~# lsmod | grep wl18xx wl18xx 70950 0
The WiFi driver can be loaded manually:
root@cl-rootfs:~# modprobe wl18xx wlcore: ERROR could not get configuration binary ti-connectivity/wl18xx-conf.bin: -2 wlcore: WARNING falling back to default config wlcore: wl18xx HW: 183x or 180x, PG 2.2 (ROM 0x11) wlcore: loaded
- iwconfig command from wireless-tools package can be used to retrieve detailed information about the WiFi interfaces:
root@cl-rootfs:~# iwconfig wlan0
wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
- Activate the interface:
root@cl-rootfs:~# ifconfig wlan0 up
- Sample WiFi scanning:
root@cl-rootfs:~# iwlist wlan0 scan
The output will show the list of Access Points and Ad-Hoc cells in range. For more information about connecting to wireless networks and tuning WiFi interfaces refer to “wpa_supplicant” and “wireless-tools” man pages.
wpa_supplicant
- Configuration sample
wpa_supplicant requires a configuration file to be created in order to get connected to a scanned wireless network.
Make use of the example bellow and put the network name and the password into the "ssid/psk" fields.
root@cl-rootfs:~# cat << eof > /etc/wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
network={
ssid="wireless_network_name"
key_mgmt=WPA-PSK
psk="wireless_network_password"
}
eof
- Sample run
root@cl-rootfs:~# ifconfig wlan0 up root@cl-rootfs:~# wpa_supplicant -B -Dwext -c /etc/wpa_supplicant.conf -i wlan0 root@cl-rootfs:~# dhclient wlan0
