The Keyspan PDA adapter won't work reliably at 115200 because the baud
rate is outside the tolerance required by the RS-232 standard. It
might work and it might not work. Other speeds work fine.
-Corey
"Gregory T. Norris" <[EMAIL PROTECTED]> writes:
> That sounds more-or-less like what I'm seeing now with my USA19,
> currently connected with a Palm serial cradle. There were some other
> issues as well, but so far I haven't been able to reproduce them under
> the 2.4.6 kernel.
>
> The interesting thing is that every now and then (not often,
> unfortunately) the keyspan module will log an apparent error uploading
> the firmware... after which it works *perfectly*! The actual log
> messages are:
>
> usbserial.c: ezusb_set_reset_Re254f24d- 1 failed
> keyspan.c: ezusb_writememory failed for Keyspanfirmware (-110 0000 e0b4518d 3)
> usbserial.c: ezusb_set_reset_Re254f24d- 0 failed
>
> It occasionally works when the error isn't logged, but much more slowly
> and with frequent timeouts. I *really* wish I had an idea of how to
> trigger this error!
>
>
> On Thu, Jul 05, 2001 at 08:42:52AM +0200, thomas graichen wrote:
> > oh - i didn't knwo that the normal keyspan driver also works for
> > the pda adapter (maybe worth documenting in the Configure.help
> > for the pda driver) ... ok tried it - but got the same problem
> >
> > i used debug=2 instead of 1 (i remembered it wrong) and the result
> > was the following:
> >
> > usbserial.c: Keyspan USA19 converter detected
> > usbserial.c: Keyspan USA19 converter now attached to ttyUSB0 (or
> > usb/tts/0 for devfs)
> > keyspan.c: keyspan_usa19_calc_baud 9600 ff b2.
> > keyspan.c: keyspan_usa19_calc_baud 9600 ff b2.
> >
> > and the camera still said (btw. the camera definitely works on a
> > normal serial port with gphoto - just to exclude this as a
> > possible reason):
> >
> > kodak_dc210_read(): timeout
> > kodak_dc210_read(): timeout
> >
> > but basically the driver works too - i was able to connect to
> > a modem with it and doing AT commands via minicom ... will try
> > to dial out this way maybe tonight - to see it maybe this works
> > ... i'll also redo the debug thing with =1 if that matters ...
> > any other ideas?
> >
> > t
> >
>
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