If i want the usrp to act as both of a transmitter and a receiver at one
station, meaning i want the usrp to be able to transmit and receive at the same
time, which file should i activate instead?
I don't understand the following statement "Auto T/R" (Automatic
Transmit/Receiver switching) handles it for you. With Auto T/R enabled, the
receiver runs unless there are samples in the Transmit FIFO. This is handled in
the FGPA", could you provide some sample code or example to illustrate how to
achieve this?Regards,Joreen> Date: Wed, 28 Jan 2009 10:36:05 -0800> From:
[email protected]> To: [email protected]> CC: [email protected]>
Subject: Re: [Discuss-gnuradio] help: cannot send after transport endpoint
shutdown> > On Wed, Jan 28, 2009 at 04:43:36PM +0800, Joreen Tan wrote:> >> >
I'm trying it on the benchmark_tx and benchmark_rx scripts as i need> > to make
it at least a half duplex communication between the two> > devices, i need to
free up the resources if not i will get error> > message that states that the
resource is busy.> > It'll run half duplex automatically if you enable
"auto_tr" mode...> > ...And benchmark_{rx,tx} are already set to do that. > See
line 73 in receive_path.py and line 99 in transmit_path.py (line> numbers are
from the trunk.)> > > Another question that i observed is that, there seems to
be no way to> > stop the receiver once it is activated unlike the transmitter.>
> "Auto T/R" (Automatic Transmit/Receiver switching) handles it for you.> With
Auto T/R enabled, the receiver runs unless there are samples in> the Transmit
FIFO. This is handled in the FGPA.> > See the USRP FAQ and look at the inline
docs in usrp_standard.h and> usrp_basic.h. These two files implement the
fundamental interface to> the USRP. Almost all of that interface is available
in Python.> > http://gnuradio.org/trac/wiki/UsrpFAQ> > Eric
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