dmesg does report a ch341 serial-usb device. The PCB has a CH340T IC
with the USB data pins connected directly to the USB port. I tried:
owserver --passive=/dev/ttyUSB0 --foreground --error_level 9
I tried adding --8bit and --6bit. I also tried --ha3=/dev/ttyUSB0,
--ha4, --ha4b. What response should I see from owserver in the case of
success?
I'm using Ubuntu 12.04 - I get:
owserver --version
owserver version:
2.8p13
libow version:
2.8p13
Simon
On Wed 06 Jun 2012 05:53:50 AM PDT, Paul Alfille wrote:
> Does dmesg still show a serial-usb device?
>
> You can try the --passive-/dev/ttyUSB0 and see if that works.
>
> Paul
>
> On Tue, Jun 5, 2012 at 7:48 PM, Simon Barber <[email protected]
> <mailto:[email protected]>> wrote:
>
> I have a USB9097 from PCSensor in China. Previous discussion here
> found
> a USB9097 that works out of the box with owfs.
>
> http://owfs.org/index.php?page=usb-usb9097
>
> The conclusion was that it is a ch341 USB->Serial converter, and a
> DS2480B serial->1 wire chip.
>
> The USB9097 that I have does not have the nice screen printed text on
> the case (although the plastics looks identical). It has a sticker
> saying 'TEMPerNet16 A B'.
>
> It has 'V2' stamped on the PCB. It has a layout on the board for a
> DS2480B, but none is there. There is a collection of discretes - I
> think
> they have modified the board design to make this a 2 port passive
> adaptor. It does not work with owfs or digitemp.
>
> Anyone come across one of these or know how to drive it?
>
> Simon
>
>
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