What is the story with this 0xf0f0f0f[02] overload stuff? I've been
doing the same, subbing in 0 and 2 as others have been mentioning.
However, unless I'm missing something, I am using the latest code. I
just upgraded to python2.4, manually removed all the 2.3 site-packages,
rebuilt from scratch.
Are you talking about picking up a new usrp firmware? (I think I haven't
done that in a while)
-jamie
n4hy wrote:
The performance impact was almost negligible. I am still having
trouble with the fully updated
usrp/gr-usrp code at home. tvrx_wfm_rcv.py complains bitterly about
0xf0f0f0f[02]
yielding an overload it hates. Here at work, in an older version of
this code, I just subbed
in 0 and 2 for these numbers and everything seemed to work but this
"trick" does not work
on the new stuff at home.
Guidance needed.
Bob
Eric Blossom wrote:
On Fri, May 27, 2005 at 05:48:18AM -0600, Bob McGwier N4HY wrote:
Even though the Delta 44 has only four inputs and four outputs (all
balanced monoaural), it reports twelve through ALSA to jack. I can
tell this is happening since dial_tone.py and tvrx_wfm_rcv.py both
blow up with complaints about the number of sinks. multi_tone.py
works perfectly since it loads stuff up for all gazoutas.
Has anyone done a general work around for this?
Try using plughw:0,0 instead of hw:0,0 as the pcm device (second arg
to audio.source and audio.sink. plughw:0,0 should send something (not
sure what) to all i/os. Not sure of the performance impact. A bit of
measuring with oprofile will reveal all.
It sounds like a fix for the Delta-44 ALSA driver is in order too.
This assumes that the driver can tell the difference between a
Delta-44 and other boards with the same chip set.
You might want to post this question to the JACK or ALSA mailing lists.
Eric
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