Re: [Discuss-gnuradio] usrp_siggen.py exits on Mac OS X

[Eric Blossom]

On Wed, Mar 29, 2006 at 01:55:59PM -0800, Jonathan Jacky wrote:
> 
> Eric,
> 
> Whe I try to run a recent version of usrp_siggen.py from CVS on Mac OS X, 
> it produces the requested output signal for just a second or so, then exits.
> 
> I see in the source code, at the end of main:
> 
>      try:
>         fg.start()
>     except KeyboardInterrupt:
>         pass
>     fg.stop()
> 
> As I understand it, this code executes fg.start(), which returns 
> almost immediately, and then executes fg.stop(), and then exits from main.
> 
> On my system, the code does not wait in fg.start() for a keyboard interrupt.
> 
> For now, in my working version I've changed the end of main back to:
> 
>     fg.start ()
>     raw_input ('Press Enter to quit: ')
>     fg.stop()
> 
> That works as it should - usrp_siggen keeps running until I type ^C.
> 
> Jon Jacky

Thanks for pointing out the problem.

I'll revisit and fix.

Eric