Re: [Discuss-gnuradio] 4rx FPGA image issue

[mleech]

On 02 May 2013 11:45, Nada ABDELKADER wrote:

> Hi all,
>
> I'm using two USRP1 as transmitter and receiver.
> I'm trying to make the receiver listening to three channels. I found  
> that I have to use the 4rx FPGA image for 4 RX DSPs on the USRP1.
> But when I run my command with  the <<  
> --args="fpga=usrp1_fpga_4rx.rbf" >> option and I got this error:
>
> thread[thread-per-block[0]: ]:  
> LookupError: KeyError: Cannot find a conversion routine for conversion  
> ID
>    Input format: sc16_item16_usrp1
>    Num inputs: 1
>    Output format: fc32
>    Num outputs: 3
>
> I did not understand the origin of the problem and how to resolve it.
> Can anybody help me plz?
>
> Regards,
> Nada
>
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Clutching at straws here, but what happens if you use 4 channels, and just attach the fourth channel to a NULL sink?