[chirp_devel] VX-7R w/USB-Serial Adapter - Locking Up MacOSX

[Dan Smith]

> I'll try out the users list sometime and see if I can work through
> those issues. Just strange that the Prolific chip in the WXUSB cable
> works perfectly... and even the KAWAMALL cable (and the Best Buy
> Dynex USB-Serial adpater) work fine with DOWNLOADING from the radio.
> Is only an UPLOAD problem for the Yaesu. Again, UPLOAD/DOWNLOAD works
> fine with the Wouxun WXUSB Prolific-based cable.

Yeah, but the wouxun cable behaves a little differently. The VX7 cable
has the TX and RX lines tied together so that it "echos" everything
either side sends. If there is a race condition in an interrupt handler
in the prolific driver (or something similar), the immediate echo could
be poking it where the relatively slow exchange back and forth of the
wouxun does not.

> Saw the daily change log talking about throttling the conversation
> for the FT2800 and thought that might help.

Well, (a) that's only in the FT2800 driver, so it won't affect the VX7
and (b) that is because the radio doesn't implement flow control and
shoving data to it too fast makes it silently fail. It's definitely a
different problem than the kernel USB driver crashing.

> Unfortunately, I can't get any daily build beyond 8/25/11 to work.
> I'll try a new build in a few days and if still broken will file a
> bug report then.

Oh, yeah? Someone contributed a script change for the MacOS package and 
he said it worked. I'll cc you on an email to him so we can get that 
worked out as I was hoping to do another release before too long :)

Thanks!

-- 
Dan Smith
www.danplanet.com
KK7DS