On Tue, Sep 30, 2008 at 02:09:47AM -0700, kaleem ahmad wrote: > > Any suggestions!!!!!!!!!!!!!!!
How many usrps are involved in this? How many usrp sinks and sources are you creating? You should be creating 1 each for each USRP and keep them open the entire time. Eric > kaleem ahmad wrote: > > > > Hi Eric and others, > > > > I also have a similar problem, but it is not limited to 'gain control', > > Actually I want to implement an echo back or ping pong transmission > > system. > > > > First I implemented two separate transmitt and receive flow graphs in two > > separate transmit(), and receive() functions as mentioned in the > > following: > > > > Master Transceiver: > > > > Transmit() Transmitt one data packet > > Receive() Wait in receive for the echoed back packet or > > timeout > > > > Slave Transceiver: > > > > if (Receive()): Always wait in receive > > Transmit() Transmitt back the received data packet > > > > But in this method I get an error 'cant open usb device....cant open USRP > > 0/1' > > > > Then I found flowgraph.disconnect() method and thought that I should > > implement a single flowgraph which can dynamically connect different > > blocks to transmit and then disconnect and connect with receive blocks and > > so on... > > > > Is it possible and is there any example code which doing something like > > this or otherwise can you please suggest me some way to do this. > > > > Thanks > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
