Re: [Discuss-gnuradio] cant create two rx

[Josh Blum]

The rule is one usrp_block per board. If you have two boards, you must 
specify the which parameter = 0 for one board, = 1 for the other.

-Josh

On 07/14/2010 08:03 PM, John Wu wrote:
> Hi all, I need to use two rx in my project, however I can not create two rx.
> My code create rx is bellow:
>
> Rx1 = usrp_standard_rx_sptr(usrp_standard_rx::make(0,decimRate,1,-1,
>
> usrp_standard_rx::FPGA_MODE_NORMAL,
>                                                           1024,16*8,rbf));
>
> Rx2 = usrp_standard_rx_sptr(usrp_standard_rx::make(0,decimRate,1,-1,
>
> usrp_standard_rx::FPGA_MODE_NORMAL,
>                                                           1024,16*8,rbf));
>
> the error:
> usrp_open_interface:usb_claim_interface: failed interface 2
> could not claim interface 2: Device or resource busy
> usrp_basic_rx: can't open rx interface
>
>
>
>
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