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Re: [Discuss-gnuradio] usrp spectrum sensing
From: |
Josh Blum |
Subject: |
Re: [Discuss-gnuradio] usrp spectrum sensing |
Date: |
Fri, 08 Feb 2013 19:33:47 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 |
On 02/08/2013 07:26 PM, Biniyam Zewede wrote:
>
>
> Hello everyone, I am trying to sense a transmitted signal using a
> usrp. I typed the following command (/usrp_spectrum_sense.py 440M
> 450M --fft 512) and worked a couple of times. But when I try it
> today, it tells me that there is no device. (even though I connected
> a usrp). part of the message I get looks like this.
>
> RuntimeError: LookupError: KeyError: No devices found for ----->
>
> Empty Device Address
>
>
> I need help please. Biniyam.
>
need more information.
If this is a network device, you may not have setup your network interface.
http://files.ettus.com/uhd_docs/manual/html/usrp2.html#setup-networking
If this is a usb device, you may not have setup udev/installed winusb
driver.
http://files.ettus.com/uhd_docs/manual/html/transport.html#usb-transport-libusb
-josh
>
>
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