On Sat, 19 Nov 2005 08:51, Eric Blossom wrote: > Hi folks, > > I've recently checked in a bunch of changes, some of which were to > gr_block.h, which everything depends on. > > As a result, if you are tracking CVS, you will need to update and > rebuild *everything*. > > One of the changes altered how we deal with the history mechanism. > This is mostly transparent, but filters now get a zero initialized > delay line, and produce N outputs when N inputs are run through them. > The old code used to produce N-ntaps-1 outputs when N inputs were run > through them. > > These changes allow transmitted data to be sent discontinuously to the > USRP. The additional layer of transmit buffering that used to be in the > fusb_linux code has been removed. > > By changing the default number of samples/baud from 4 to 2, the GMSK > code is now running at 1Mbit/sec with the same error performance ;) > This is without any real tuning... 2Mbit/sec should definitely be doable. > > > Regarding 2.6: I still need to clean up the boost autoconf code and > confirm that "make distcheck" works on our favorite platforms. Other > than that, we're good to go.
I'm now getting following error message when attempting to run benchmark.py:
barossa: {9} ./benchmark_usb.py
Testing 2MB/sec... usrp_open_interface:usb_set_alt_interface: failed
could not set alt intf 0/0: Invalid argument
open_nth_cmd_interface: open_cmd_interface failed
usrp: failed to load firmware /usr/pkg/share/usrp/rev2/usrp_firmware.ihx.
Traceback (most recent call last):
File "./benchmark_usb.py", line 106, in ?
main ()
File "./benchmark_usb.py", line 96, in main
ok = run_test (rate, verbose)
File "./benchmark_usb.py", line 63, in run_test
usrp_tx = usrp.sink_s (0, tx_interp)
File "/usr/pkg/lib/python2.4/site-packages/gnuradio/usrp.py", line 171, in
sink_s
u = usrp1.sink_s(which, interp_rate, nchan, mux)
File "/usr/pkg/lib/python2.4/site-packages/gnuradio/usrp1.py", line 908, in
sink_s
return _usrp1.sink_s(*args)
RuntimeError: std::runtime_error
This was ok with CVS of a couple of days ago. Nothing else has changed on this
system.
cheerio Berndt
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