Hi Jason.
The most obvious test would be to disconnect your RJ-14 cable (and the
DS18S20 attached to it) and see if the bare DS9490R and it's internal DS2411
work ok.
Please report what you get. I suspect it's an unrecognized short circuit or
miswiring, but this is the first step in figuring it out.
Paul Alfille
On Tue, Jun 3, 2008 at 5:34 PM, Jason Antman <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I've built FUSE, OWFS, etc. from source on a Debian (4.0) machine. I'm
> using a DS9490R USB adapter from Hobby-Boards.com with (for now) one
> DS18S20P wired directly to it (RJ-14 pin 3 (DQ) to chip pin 2, RJ-14 pin
> 4 to chip pin 1 (Gnd)).
>
> As far as I can tell, everything is wired and installed correctly.
> However, I keep getting "short circuit" errors:
>
> [EMAIL PROTECTED]:~$ sudo /opt/owfs/bin/owfs -u -m /mnt/1wire
> --foreground --error_level 9 --error_print 2 | tee /home/jantman/owfs-try1
> CONNECT: fuse mount point: /mnt/1wire
> CALL: PARSENAME path=[]
> CONNECT: Adapter found: 001/005
> DEFAULT: Opened USB DS9490 adapter at 001/005.
> DATA: DS9490_setup_adapter: done (ret=0)
> DEBUG: Start of directory path= device=00 00 00 00 00 00 00 00
> DEBUG: Selecting a path (and device) path= SN=00 00 00 00 00 00 00 00
> last path=00 00 00 00 00 00 00 00
> DEBUG: Clearing root branch
> DATA: DS9490_reset
> DATA: DS9490_getstatus: Status byte[0]: A
> DATA: DS9490_getstatus(): short detected
> DATA: DS9490_reset: short detected
> CONNECT: 1-wire bus short circuit.
> DATA: BUS_first failed during connect [001/005] (Probably non-DS9490
> device and empty bus).
> DEBUG: fuse_mnt_opt=[(null)]
> DEBUG: fuse_open_opt=[(null)]
>
> I can't find anything on Google about this error message. If anyone can
> provide some guidance, or a starting point, I would greatly appreciate it.
>
> I can't find any obvious wiring errors. I do, however, just have the
> ends of the Cat5 wrapped around the pins on the DS18S20P, though I've
> separated them enough that it should prevent any interference.
>
> Thanks,
> Jason Antman
> Rutgers University
>
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