Re: [Discuss-gnuradio] E100 - No devices found for ----->

[Jason Abele]

On Thu, Jun 23, 2011 at 5:32 AM, Ralf Wierse <address@hidden> wrote:
>> -----Original Message-----
>> From: Jason Abele [mailto:address@hidden
>> Sent: Thursday, June 23, 2011 1:04 PM
>> To: Ralf Wierse
>> Cc: discuss-gnuradio Discussion Group
>> Subject: Re: [Discuss-gnuradio] E100 - No devices found for ----->
>>
>>
>> On Thu, Jun 23, 2011 at 3:16 AM, Ralf Wierse
>> <address@hidden> wrote:
>> > OK, first simple reason discovered.
>> > UHD can only be used for one device - either UHD_usrp_sink
>> or source.
>> >
>> > How can UHD be used for both devices in parallel?
>>
>> You have to access both source and sink from the same process, but
>> then it is possible to use both at the same time.
>>
>> Jason
>
>
> Hi Jason,
> thanks but I am a little confused.
> I would say it is in the same process since I have sink and source in the same
> GRC setup. The failure shows up when the generated python script instantiates 
> an
> UHD devices the second time as far as I understand.
> Is there any combined UHD_usrp_sink/source block for GRC or how is this to
> be done practically?

Can you send the simplest .grc file which causes this issue?

Jason