Re:Re: [Discuss-gnuradio] about tunnel.py

[lishan_wh]

Thomas，
  Thank you for you answer. Do you mean I can not achieve the goal by modifying 
its softare code beause of hardware restriction ? I have nothing to do except 
using more usrps?Thank you!
  lishan_wh<br><br>在2010-04-26 21:55:57，"Thomas Tsou" <address@hidden> 写道：
>2010/4/26 lishan_wh <address@hidden>:
>> Hi all,
>>   I want to use tunnel.py to make a usrp with two daughter boards work as
>> two pieces of wireless cards. The first time I run tunnel.py, it works well,
>> and generate gr0. But when I run tunnel.py for the second time (in another
>> terminal) to configure the other daughter board, it turned out error "Unable
>> to find usrp1".
>>   Is it possible to generate two wireless cards with only one usrp with two
>> doughter boards instead of with two usrps? If it is, what should I do?
>
>No. At least not with the current implementation. The first run of
>tunnel.py opens up the usrp connection and any subsequent instances
>will fail since the usrp is already in use. The daughterboards are
>configured through the usrp interface, so you can't manipulate them
>independently from different programs.
>
>  Thomas