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Re: [Discuss-gnuradio] USRP/USB, problems connecting
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] USRP/USB, problems connecting |
Date: |
Tue, 22 Jan 2008 08:19:31 -0800 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Tue, Jan 22, 2008 at 03:27:39PM +0100, Martin Braun wrote:
> I'm having problems connecting my USRP to my computer (running Open-Suse
> with a 2.6.22.13-0.3-default kernel). I know the USRP works, I've tried
> it with another machine (using the same gnuradio-version), and the admin
> claims he hasn't fiddled with the computer concerned. This is what I get
> (as root or as user, using rx or tx):
I suspect you're using a USB 1.1 controller. We require a 2.0 controller.
"high speed > full speed"
lsmod should show an ehci driver loaded.
Eric
> >>> from gnuradio import usrp
> >>> src = usrp.sink_s()
> usrp_open_interface:usb_claim_interface: failed interface 1
> could not claim interface 1: No such file or directory
> usrp_basic_tx: can't open tx interface
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp.py", line
> 230, in __init__
> fpga_filename, firmware_filename)
> File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp1.py", line
> 946, in sink_s
> return _usrp1.sink_s(*args)
> RuntimeError: can't open usrp1
>
> The USRP is connected alright, otherwise the error message would look a
> bit different. ls -lR /dev/bus/usb returns [excerpt]:
>
> /dev/bus/usb/001:
> insgesamt 0
> crw-r--r-- 1 root root 189, 0 21. Jan 15:32 001
> crw-rw---- 1 root usrp 189, 10 22. Jan 15:08 011
>
> There it is. I uninstalled and remake'd and re-installed GNU radio from
> the 3.1 branch (out of SVN), that didn't help. dmesg seems OK, too:
>
> usb 1-1: new full speed USB device using uhci_hcd and address 12
> usb 1-1: new device found, idVendor=fffe, idProduct=0002
> usb 1-1: new device strings: Mfr=1, Product=2, SerialNumber=0
> usb 1-1: Product: USRP Rev 4
> usb 1-1: Manufacturer: Free Software Folks
> usb 1-1: configuration #1 chosen from 1 choice
>
>
> Could someone please give me direction where else I can look? I've seen
> this problem crop up in the archives, but I couldn't find a solution.
>
> Thanks,
> Martin