little radio driver needed

[Dave Stevens]

On Thu, 31 Dec 2015 09:56:02 -0800
Dave Stevens <geek at uniserve.com> wrote:

> Quoting Nils Kassube <kassube at gmx.net>:

16.04 has solved this issue, recognised and working out of the box.

d

> 
> > Dave Stevens wrote:
> >> Quoting Nils Kassube <kassube at gmx.net>:
> >> > So the first of these two lines indicates, that your part should
> >> > be supported by the wily kernel.
> >
> >> Thanks, Connie, Nils. I'm almost there. I found and installed the
> >> driver and now have a script like this:
> >
> > Could you elaborate? Which Ubuntu version do you have and how did
> > you install the driver? Is it the Wily kernel for 14.04 or
> > something else?
> 
> please see below.
> 
> >
> >> #! /bin/bash
> >> ifconfig wlan0
> >> iwconfig wlan0 essid bigkahoona
> >> dhclient wlan0
> >
> >> At this point the activity log on the router shows that it has
> >> connected a wireless pc but as you can see from above there isn't
> >> an ip address on 192.168.x.x. Any ideas why?
> >
> > In your script I don't see the WLAN passphrase, so unless you have
> > an open network, the router might see the device connecting, but
> > without the authentication it doesn't hand out an IP address. And
> > for connecting to a WPA/WPA2 network you would also need
> > wpasupplicant.
> >
> > Usually the wireless network is configured with the network
> > manager. If you really want to do it manually, you should better
> > use the file "/etc/network/interfaces" to do that. But using
> > network manager is much easier.
> >
> >
> > Nils
> 
> I have found a potentially useful message in dmesg (I don't know why
> I didn't look there first) like this:
> 
> [ 4293.353404] wlan0: authenticate with 00:1c:f0:f0:c3:18
> [ 4293.398731] wlan0: send auth to 00:1c:f0:f0:c3:18 (try 1/3)
> [ 4293.401167] wlan0: authenticated
> [ 4293.403511] mt7601u 1-1.4:1.0 wlan0: disabling HT as WMM/QoS is
> not supported by the AP
> [ 4293.403553] mt7601u 1-1.4:1.0 wlan0: disabling VHT as WMM/QoS is  
> not supported by the AP
> [ 4293.413239] wlan0: associate with 00:1c:f0:f0:c3:18 (try 1/3)
> [ 4293.416990] wlan0: RX AssocResp from 00:1c:f0:f0:c3:18
> (capab=0x421 status=0 aid=2)
> [ 4293.457810] wlan0: associated
> [ 4293.460431] wlan0: disassociating from 00:1c:f0:f0:c3:18 by local  
> choice (Reason: 3=DEAUTH_LEAVING)
> 
> 
> and I found a handy table here:
> 
> https://steev.wordpress.com/2010/03/31/deauthentication-reason-codes/
> 
> that tells me the access point went offline. I think that isn't the  
> case because I'm continuously attached to the same AP as I write
> this, on my laptop.
> 
> Now, to answer your questions Nils.
> 
> I have tested this dongle first on u14.04 with the stock kernel, all  
> updates in place; that was the source of the vendor ID codes I first  
> sent and that you tracked down. I wanted at first to make the unit  
> work on my U14.04 laptop as being easier to manage, having internet  
> access available and a keyboard and screen and so on. But the
> intended end-use was not like that, rather I want to strap a
> Raspberry Pi under a hexacopter with the dongle attached and then
> stream images from the rover back to another computer. So I switched
> to using the Pi from my laptop by ssh, hence the command line stuff.
> You are right that there is no password, that simplifies the setup so
> I can have fewer breakpoints and will reflect the end use quite
> nicely, there are very few security issues far off-road at 55N 129W.
> 
> The kernel in use is: Linux raspberrypi 4.1.15+ #830 Tue Dec 15  
> 16:58:28 GMT 2015 armv6l GNU/Linux
> 
> I found the mt7601u.bin file on github and that's what's in use.
> 
> The dmesg output says that the dongle connects then immediately  
> disconnects with the message above. The router is an old D-link  
> WBR-2310 which works ok but has crappy diagnostics and minimal logs  
> and isn't likely to work with openwrt.
> 
> The distance from the dongle to the AP is perhaps 20 cm, so it isn't  
> likely that signal strength is an issue. The script will in any case  
> need to be rewritten for each different router, I suppose I'll have
> a collection of them by the time I'm finished.
> 
> I hope this clarifies matters, thanks for any help.
> 
> Dave
> 
> >
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> 
> 
> 



-- 
I want to die peacefully, smiling in my sleep, like my Grampa, not
screaming in terror like his passengers!