Re: [Discuss-gnuradio] python crash or exit when manually start streaming from USRP

2012-09-12 Thread Alex Zhang
On Wed, Sep 12, 2012 at 12:21 PM, Josh Blum wrote: > Just curious. Are you trying to implement a discontinuous streaming > model? Or are you looking for a way to control start time but still > continuous? > > > > > case uhd::rx_metadata_t::ERROR_CODE_TIMEOUT: > > //Assume that

Re: [Discuss-gnuradio] python crash or exit when manually start streaming from USRP

2012-09-12 Thread Alex Zhang
On Wed, Sep 12, 2012 at 12:21 PM, Josh Blum wrote: > Just curious. Are you trying to implement a discontinuous streaming > model? Or are you looking for a way to control start time but still > continuous? > I think I want a way to control start time but still continuous. But I may know not so muc

Re: [Discuss-gnuradio] python crash or exit when manually start streaming from USRP

2012-09-12 Thread Josh Blum
Just curious. Are you trying to implement a discontinuous streaming model? Or are you looking for a way to control start time but still continuous? > > case uhd::rx_metadata_t::ERROR_CODE_TIMEOUT: > //Assume that the user called stop() on the flow graph. > //Howeve

[Discuss-gnuradio] python crash or exit when manually start streaming from USRP

2012-09-12 Thread Alex Zhang
Hi all and Josh, What I want to do is to control the streaming from the USRP by my own python code. usrp_source provides the start() and the stop() to control the streaming by issuing the command to USRP. However, when I try to use them in my python code, lots of problems block me. As my observat