Yes. I found the LinkUSB has problems with hardware handshaking. When
stable, the next version of owfs will work consistently with the LinkUSB.
(At least with extensive tests on my platform).
On Wed, Sep 15, 2010 at 2:46 AM, Marcus Priesch <[email protected]>wrote:
> Dear List,
>
> i just wanted to replace my DS9490 with a LinkUSB - which is working
> fine on other systems ...
>
> however, i updated owfs to 2.8_p2, but it still does not work:
>
> - i have the /dev/ttyUSB0 device
> - the permissions are correct
> - when i connect with minicom, the communication works (e.g. " ", "n")
> - when i start owhttpd it fails with the following:
>
> h...@ferdl ~ $ owhttpd --foreground --LINK=/dev/ttyUSB0 -p 4711
> --error_level=9
> CALL: ow_parsename.c:FS_ParsedName_anywhere(90) path=[]
> DEBUG: owlib.c:SetupTemperatureLimits(79) Globals temp limits 0C 100C (for
> simulated adapters)
> DEBUG: ow_link.c:LINK_version_string(272) Checking LINK version
> CONNECT: ow_com_read.c:COM_read(72) Timeout error (read) serial port:
> /dev/ttyUSB0
> DEBUG: ow_link.c:LINK_version_string(277) Cannot read a full CRLF version
> string
> DEBUG: ow_link.c:LINK_serial_detect(194) Cannot get version string
> DEBUG: ow_com.c:COM_close(93) COM_close: flush
> DEBUG: ow_com.c:COM_close(95) COM_close: restore
> DEBUG: ow_com.c:COM_close(99) COM_close: close
> DEBUG: ow_link.c:LINK_version_string(272) Checking LINK version
> CONNECT: ow_com_read.c:COM_read(72) Timeout error (read) serial port:
> /dev/ttyUSB0
> DEBUG: ow_link.c:LINK_version_string(277) Cannot read a full CRLF version
> string
> DEBUG: ow_link.c:LINK_serial_detect(194) Cannot get version string
> DEBUG: ow_com.c:COM_close(93) COM_close: flush
> DEBUG: ow_com.c:COM_close(95) COM_close: restore
> DEBUG: ow_com.c:COM_close(99) COM_close: close
> DEBUG: ow_link.c:LINK_version_string(272) Checking LINK version
> CONNECT: ow_com_read.c:COM_read(72) Timeout error (read) serial port:
> /dev/ttyUSB0
> DEBUG: ow_link.c:LINK_version_string(277) Cannot read a full CRLF version
> string
> DEBUG: ow_link.c:LINK_serial_detect(194) Cannot get version string
> DEBUG: ow_com.c:COM_close(93) COM_close: flush
> DEBUG: ow_com.c:COM_close(95) COM_close: restore
> DEBUG: ow_com.c:COM_close(99) COM_close: close
> CONNECT: owlib.c:SetupSingleInboundConnection(205) Cannot open LINK bus
> master at /dev/ttyUSB0
> DEFAULT: owlib.c:LibStart(54) No valid 1-wire buses found
> DEBUG: owhttpd.c:ow_exit(48) ow_exit 1
> h...@ferdl ~ $ owhttpd --version
> owhttpd version:
> 2.8p2
> libow version:
> 2.8p2
>
> as it works with minicom, but i get timeout errors when using owfs ... i
> donno what can cause this kind of problem - has anyone here any
> hints ?!?!
>
> the system is gentoo with kernel 2.6.31-gentoo-r6
>
> i have a ubuntu 10.4 laptop with custom 2.8_p0 where linkusb works fine
> - i also tried 2.8_p0 on the gentoo system - with same results as
> described above ?!?!
>
> regards,
> m.
>
>
>
>
>
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