Mailinglist Archive: opensuse (807 mails)

[Philippe Andersson <pan@xxxxxxxxxxxxx>]

Hello Roger,

Roger Oberholtzer wrote:
> On Mon, 2010-04-19 at 11:38 +0100, Rui Santos wrote:
> > stty to setup all serial options, like baudrate, handshaking, etc.
> > Something like:
> > stty -F /dev/ttyUSB0 9600 raw -echo
>
> That helped. I see that stty reports that the ports are set as I expect:
>
> speed 38400 baud; rows 0; columns 0; line = 0;
> intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = 
> <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;
> werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0;
> -parenb -parodd cs8 hupcl -cstopb cread clocal -crtscts
> ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr -icrnl -ixon 
> -ixoff -iuclc -ixany -imaxbel -iutf8
> -opost -olcuc -ocrnl -onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 
> ff0
> -isig -icanon -iexten -echo -echoe -echok -echonl -noflsh -xcase -tostop 
> -echoprt -echoctl -echoke
>
> So, setserial is not useful for these devices.
>
> Your comments on the drivers is of course correct. However, it does not
> apply in my case, The drivers only need to be on the computer with the
> USB end of the cable. The computer on the serial port side just writes
> to its RS-232 port as always. I have used NULL-modem cables with this
> kernel before and it works fine. The reason I am trying these new cables
> is that I need to have more of these than I have serial ports on the
> server. USB offers this scale. Also, I only need to have one USB cable
> go from the place with the diskless farm to the server.
>
> So, I still wonder where the serial port data is going. There are no
> messages at all in /var/log/messages with complaints from the USB
> drivers. But is no news really good news?
I don't know whether you tried this already or not, but I've always had
good results using minicom with those devices/cables. I use a TrendNET
TU-S9 USB to serial adaptor.

HTH

Cheers. Bye.

Ph. A.

-- 

*Philippe Andersson*
Unix System Administrator
IBA Particle Therapy |
Tel: +32-10-475.983
Fax: +32-10-487.707
eMail: pan@xxxxxxxxxxxxx
<http://www.iba-worldwide.com>