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How to enable WLAN on AM335X StarterKit EVM?

Tho Autruong1
Prodigy 90 points
Other Parts Discussed in Thread: WL1271

Hi,

My SK-EVM board boots fine with Ethernet to the Arago prompt. I basically want to enable WLAN at that point. What are the Linux programs/commands to issue to do that? I know the SSID of the wireless network to connect to and am willing to have the password kept in a file somewhere if need be. We just need to test the wireless connectivity in a lab setup.

Besides the issue of what to run to enable WLAN, I am thinking that I may have to rebuild the kernel because I do not see these wl12xx messages, like these obtained from the stock Linux SD card:

[ 4.978759] wl12xx: driver version: ol_R5.00.17
[ 4.983520] wl12xx: compilation time: Thu May 17 05:25:00 2012
[ 5.366546] wl12xx: loaded

Thanks.

-Tho

  • 0
    TI__Mastermind 25876 points

    EVM-SK WiFi worked for me "out of the box" with SDK05.05 stock.  You can use the Matrix WiFi->WPA icons or use the command line mentioned here:

    http://processors.wiki.ti.com/index.php/WL18xx_First_Time_Getting_Started_Guide#Running_the_Demos

    (I did move to SDK05.07 for EVM WiFi to work with WiLink6/COM6 board  "out of the box" so I could install WiLink8/COM8 board)

    Please see my EVM-SK log below (after using the Matrix icons):

    root@am335x-evm:~#

    root@am335x-evm:~# ifconfig

    eth0    Link encap:Ethernet  HWaddr D4:94:A1:88:6B:83           inet addr:158.218.121.3  Bcast:0.0.0.0  Mask:255.255.254.0           UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1           RX packets:530 errors:0 dropped:203 overruns:0 frame:0           TX packets:2 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000           RX bytes:50144 (48.9 KiB)  TX bytes:1180 (1.1 KiB)

    lo        Link encap:Local Loopback           inet addr:127.0.0.1  Mask:255.0.0.0           UP LOOPBACK RUNNING  MTU:16436  Metric:1           RX packets:216 errors:0 dropped:0 overruns:0 frame:0           TX packets:216 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:0           RX bytes:304462 (297.3 KiB)  TX bytes:304462 (297.3 KiB)

    wlan0     Link encap:Ethernet  HWaddr 00:01:33:88:44:72           inet addr:192.168.0.1  Bcast:192.168.0.255  Mask:255.255.255.0           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1           RX packets:25 errors:0 dropped:3 overruns:0 frame:0           TX packets:28 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000           RX bytes:2007 (1.9 KiB)  TX bytes:4248 (4.1 KiB)

    root@am335x-evm:~# iw wlan0 scan

    BSS 08:86:3b:29:6d:06 (on wlan0) -- associated         TSF: 374829630 usec (0d, 00:06:14)         freq: 2462         beacon interval: 100         capability: ESS ShortSlotTime (0x0401)         signal: -53.00 dBm         last seen: 10 ms ago         Information elements from Probe Response frame:         SSID: belkin.joe         Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0         DS Parameter set: channel 11         ERP: <no flags>         Extended supported rates: 24.0 36.0 48.0 54.0         HT capabilities:                 Capabilities: 0x186e                         HT20/HT40                         SM Power Save disabled                         RX HT20 SGI                         RX HT40 SGI                         No RX STBC                         Max AMSDU length: 7935 bytes                         DSSS/CCK HT40                 Maximum RX AMPDU length 32767 bytes (exponent: 0x002)                 Minimum RX AMPDU time spacing: 8 usec (0x06)                 HT RX MCS rate indexes supported: 0-7                 HT TX MCS rate indexes are undefined         HT operation:                  * primary channel: 11                  * secondary channel offset: below                  * STA channel width: any                  * RIFS: 0                  * HT protection: no                  * non-GF present: 0                  * OBSS non-GF present: 0                  * dual beacon: 0                  * dual CTS protection: 0                  * STBC beacon: 0                  * L-SIG TXOP Prot: 0                  * PCO active: 0                  * PCO phase: 0         WMM:     * Parameter version 1                  * BE: CW 15-1023, AIFSN 3                  * BK: CW 15-1023, AIFSN 7                  * VI: CW 7-15, AIFSN 2, TXOP 3008 usec                  * VO: acm CW 3-7, AIFSN 2, TXOP 1504 usec         WPS:     * Version: 1.0                  * Wi-Fi Protected Setup State: 2 (Configured)                  * Response Type: 3 (AP)                  * UUID: 775b6680-bfde-11d3-8d2f-08863b296d06                  * Manufacturer: Belkin International                  * Model: N150 Wireless Router                  * Model Number: F9K1001                  * Serial Number: 201120G1122267                  * Primary Device Type: 6-0050f204-1                  * Device name: Belkin N150 Wireless Router                  * Config methods: Ethernet, Label, PBC

    root@am335x-evm:~# iw wlan0 link

    Connected to 08:86:3b:29:6d:06 (on wlan0)         SSID: belkin.joe         freq: 2462         RX: 6742 bytes (55 packets)         TX: 5737 bytes (32 packets)         signal: -52 dBm         tx bitrate: 72.2 MBit/s MCS 7 short GI

            bss flags:      short-slot-time         dtim period:    1         beacon int:     100        

    root@am335x-evm:~# udhcpc -i wlan0

    udhcpc (v1.13.2) started Sending discover... Sending select for 192.168.2.2... Lease of 192.168.2.2 obtained, lease time 268435455 adding dns 192.168.2.1

    root@am335x-evm:~# ifconfig

    eth0      Link encap:Ethernet  HWaddr D4:94:A1:88:6B:83           inet addr:158.218.121.3  Bcast:0.0.0.0  Mask:255.255.254.0           UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1           RX packets:2651 errors:0 dropped:931 overruns:0 frame:0           TX packets:12 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000           RX bytes:259232 (253.1 KiB)  TX bytes:3598 (3.5 KiB)

    lo        Link encap:Local Loopback           inet addr:127.0.0.1  Mask:255.0.0.0           UP LOOPBACK RUNNING  MTU:16436  Metric:1           RX packets:1574 errors:0 dropped:0 overruns:0 frame:0           TX packets:1574 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:0           RX bytes:682965 (666.9 KiB)  TX bytes:682965 (666.9 KiB)

    wlan0     Link encap:Ethernet  HWaddr 00:01:33:88:44:72           inet addr:192.168.2.2  Bcast:0.0.0.0  Mask:255.255.255.0           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1           RX packets:148 errors:0 dropped:4 overruns:0 frame:0           TX packets:137 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000           RX bytes:10978 (10.7 KiB)  TX bytes:19056 (18.6 KiB)

    root@am335x-evm:~# ping 192.168.2.1

    PING 192.168.2.1 (192.168.2.1): 56 data bytes 64 bytes from 192.168.2.1: seq=0 ttl=64 time=8.026 ms 64 bytes from 192.168.2.1: seq=1 ttl=64 time=4.273 ms 64 bytes from 192.168.2.1: seq=2 ttl=64 time=4.303 ms 64 bytes from 192.168.2.1: seq=3 ttl=64 time=4.425 ms 64 bytes from 192.168.2.1: seq=4 ttl=64 time=4.242 ms

     

  • 0 in reply to Joe G.
    Prodigy 90 points

    This works like a charm. Thanks.

  • 0 in reply to Tho Autruong1
    Prodigy 90 points

    For others who might be interested, I found this link to be very useful in setting up the wlan0:

    https://wiki.archlinux.org/index.php/Wireless_Setup#Part_II:_Wireless_management

    One difference worth noting is that on the AM335X, the dhcp client is named udhcpc as indicated in the TI response.

  • 0 in reply to Tho Autruong1
    TI__Mastermind 25876 points

    Great to hear! 

    BTW, I realized later I referred to the WiLink8/COM8 version of the Wiki docs (which of course are almost identical to the WL1271/COM6 version along with your above wlan0 reference).

    But the official WL1271/COM6 docs are at: http://processors.wiki.ti.com/index.php/WL127x_Getting_Started_Guide

    and a nice central location for links to both (among other TI wireless) is http://processors.wiki.ti.com/index.php/Wireless_Connectivity

     

  • 0 in reply to Joe G.
    Prodigy 90 points

    Joe,

    I am now trying to have a kernel and device drivers that will have the WL12xx enabled, when using a kernel that I built (to enable SPI device driver as one reason). That is currently not working as far as WLAN0 coming up. See this post: http://e2e.ti.com/support/arm/sitara_arm/f/791/t/270156.aspx. I would appreciate if you or someone at TI can point me in the right direction. Thanks.