F8 and a GPS -
Mikkel L. Ellertson
mikkel at infinity-ltd.com
Wed Jul 2 15:43:16 UTC 2008
Gene Heskett wrote:
>
> My old Garmin 12 (yeah, it has gray hair) has a very dumb serial interface, so I
> have to use an adapter to make it usb.
>
> And there are no intermittent connection problems?
>
> Maybe Prolific has quietly fixed that bug in later issues. Mine are 5 or 6
> years old, one I got from the shack, and another I got from Wallies a year or
> so later. Both of them have been problems. I tried to use one to connect to a
> ups, but every time it dropped the connection, the ups monitor initiated a shut
> down about a second later. Several times a day. That, and glancing over at
> the roadnav screen while in western Iowa, and noted it showing me in downtown
> Indianapolis IN for 30 seconds just got to be too much. I moved one of them to
> the heyu circuit, that gave heyu a tummy ache & it would segfault & die. I
> asked Charles on the heyu list & he said I wasn't the only one having trouble
> with pl2303's, and he was telling folks to go get the FTDI devices as they
> seemed to Just Work(TM), and they have, very well, as have the Atmel silicon in
> a pair of extension cables I use.
>
By intermittent connection problems, do you mean that it would drop
characters? One problem I have run into is where the flow control
lines are not implemented. If the hardware and/or application are
set up to use hardware flow control, this can cause data loss. I
don't know if this is the case here.
Mikkel
--
Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!
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