I had some issues originally but here is my final working setup:

1) remove networkmanager:
  #opkg remove networkmanager network-manager-applet

2) edit /etc/network/interfaces to include something like this depending on your network needs
 auto wlan0
        iface wlan0 inet static
        pre-up /sbin/iwconfig $IFACE key 9f92b5cabe
        pre-up /sbin/iwconfig $IFACE key open
        pre-up /sbin/iwconfig $IFACE essid tPartyExtravaganza
        address 192.168.1.200
        netmask 255.255.255.0
        gateway 192.168.1.1

3) At this point, to get a connection I had to log in over the serial console and run
 #ifdown wlan0
 #ifup wlan0

4) To do this automatically on boot I wrote the following init script, as S90mywifi in /etc/rcS.d (make this executable)

  #!/bin/sh
  # Startup script for robot

  case "$1" in
    start)
          echo "Wifi fix?..."
          ifdown wlan0
          ifup wlan0
          echo "done."
          ;;
    stop)
          ifdown wlan0
          ;;
    restart)
          ifdown wlan0
          ifup wlan0
          ;;
    *)
          echo "Usage: ntpd { start | stop | restart | reload }" >&2
          exit 1
          ;;
  esac


Now I have working wifi on my Overo Fire on the Angstrom distrob that came with it.

Good luck,
Brett
 

On Tue, Aug 23, 2011 at 10:03 AM, bwilkins <brent@roadnarrows.com> wrote:

I'm having the same problem here.  An "iwlist wlan0 scan" shows me my access
point and many others.  I take this to mean that at least part of the
software and hardware (the receive section) is functional.  Every
combination of ifup, ifdown, iwconfig, ifconfig fails to get me past the
same output as quoted below (no connection).  I'm running the 2.6.34 kernel.

Anyone have a solution yet?  Thanks for any help.

- Brent


davidvondle wrote:
>
> I'm running into the same problem or a similar one.
>
> The Overo Fire will not connect to an access point or act as an access
> point.  When I try iwconfig I get:
>
> IEEE 802.11b/g ESSID:""
> Mode: Managed Frequency:2.412 Ghz Access Point: Not-Associated
> Bit Rate:0 kb/s Tx-power=13 dBm
> Retry short limit:8 RTS thr=2347 B  Fragment thr=2346 B
> Encryption key:off
> Power Management:off
> Link Quality:0 Signal level:0 Noise level:0
> Rx invalid nwid:0 Rx invalid crypt:7382 Rx invalid frag:0
> Tx excessive retries:0 Invalid misc:55335 Misses beacon:0
>
> If I try to set up the ESSID through iwconfig, it doesn't take and shows
> ESSID:"" or doesn't show an essid at all.  Sometimes I have noticed that
> is will connect for a few seconds, then revert back to the above setup
>
> Anyone have WiFi working on their Overo Fire that can share how they set
> theirs up?  It was working out of the box, but after loading the new image
> on it, I'm running into these problems.
>
> Thanks,
> Dave
>

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