Re: [Discuss-gnuradio] fusb: (rd status -2) No such file or directory

[Nick Foster]

address@hidden:~/Desktop$ geany wat.pl
address@hidden:~/Desktop$ chmod u+x wat.pl
address@hidden:~/Desktop$ ./wat.pl 
start
lock
unlock
reconfigured
now stopping
stopped
address@hidden:~/Desktop$ 

The gr-usrp component has been around, and essentially unchanged, for
some years now, and it's been used with lock/unlock for that entire
time. Perhaps you can give us more information about your system? 

--n

On Fri, 2011-05-27 at 19:05 +0200, Johannes Schmitz wrote:
> #!/usr/bin/env python
> 
> from gnuradio import gr
> from gnuradio import usrp
> 
> from time import sleep
> 
> class top_block(gr.top_block):
>     def __init__(self):
>         gr.top_block.__init__(self, "fusb error")
> 
>         self.u = usrp.source_c ()
>         self.sink = gr.null_sink(gr.sizeof_gr_complex)
>         self.connect(self.u, self.sink)
> 
>     def reconfigure(self):
>         self.lock()
>         print 'lock'
>         self.unlock()
>         print 'unlock'
> 
> if __name__ == '__main__':
>     app = top_block()
>     app.start()
>     #sleep(1)
>     print 'start'
>     app.reconfigure()
>     print "reconfigured"
>     sleep(1)
>     print 'now stopping'
>     app.stop()
>     print 'stopped'