Hello On Fri, Jun 03, 2005 at 03:17:51PM +0200, Peer Janssen wrote: > Package: setserial > Version: 2.17 > > > I'm trying to use an USB-to-Serial device, model: "U232-P9" (see > http://www.mct.com.tw/prod/rs232.html). > > Plugging it in, it is correctly recognized: > > > root> tail /var/log/messages > Jun 3 14:14:55 lxw2 kernel: drivers/usb/serial/usb-serial.c: USB Serial > support registered for Generic > Jun 3 14:14:55 lxw2 kernel: usbcore: registered new driver > usbserial_generic > Jun 3 14:14:55 lxw2 kernel: usbcore: registered new driver usbserial > Jun 3 14:14:55 lxw2 kernel: drivers/usb/serial/usb-serial.c: USB Serial > Driver core v2.0 > Jun 3 14:14:55 lxw2 usb.agent[8496]: pl2303: loaded successfully > Jun 3 14:14:55 lxw2 kernel: drivers/usb/serial/usb-serial.c: USB Serial > support registered for PL-2303 > Jun 3 14:14:55 lxw2 kernel: pl2303 2-2:1.0: PL-2303 converter detected > Jun 3 14:14:55 lxw2 kernel: usb 2-2: PL-2303 converter now attached to > ttyUSB0 > Jun 3 14:14:55 lxw2 kernel: usbcore: registered new driver pl2303 > Jun 3 14:14:55 lxw2 kernel: drivers/usb/serial/pl2303.c: Prolific > PL2303 USB to serial adaptor driver v0.11
Ok. > > So it is advertised as ttyUSB0. > Fine. But now I cannot get hold of or change the parameters with setserial: > > > root> setserial -g /dev/ttyUSB0 > Cannot get serial info: Invalid argument > root> setserial -v -g /dev/ttyUSB0 > Cannot get serial info: Invalid argument > root> setserial /dev/ttyUSB0 > Cannot get serial info: Invalid argument > > > There is no mention of USB serial devices in the --help or setserial > manpage. The reason is that USB devices was not invented when setserial was written. Or maybe it was but it was not the purpose of setserial. > If another tool has to be used for USB devices, a reference in said > documentation would be very helpful. I can agree on that. > > On the contrary, the following command works just fine: > > root> statserial /dev/ttyUSB0 > > [displays line status] But I still don't know how to set/get the baud rate. > > > Now what? How can I know/set the parameters of this port which the > kernel correctly advertised in its log? I have not used any USB to serial device so I need some input from someone else. I found a number of good links on google: http://info.ccone.at/INFO/Mail-Archives/redhat/Feb-2004/msg01083.html http://www.die.net/doc/linux/HOWTO/Serial-HOWTO-9.html http://snow.nl/dist/xhtmlc/ch04s02.html This may be links of help. Regards, // Ola > Greetings > Peer > > > -- --------------------- Ola Lundqvist --------------------------- / [EMAIL PROTECTED] Annebergsslingan 37 \ | [EMAIL PROTECTED] 654 65 KARLSTAD | | +46 (0)54-10 14 30 +46 (0)70-332 1551 | | http://www.opal.dhs.org UIN/icq: 4912500 | \ gpg/f.p.: 7090 A92B 18FE 7994 0C36 4FE4 18A1 B1CF 0FE5 3DD9 / --------------------------------------------------------------- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
