cat /proc/bus/usb/devices

On Thu, 30 May 2002, Chris Kotrla wrote:

> One thing I thought I might try is the Generic Serial Driver.  Do I have
> any chance of getting this to work with the F5U109?  I don't need any flow
> control - I'm just sending a small string to a serial device.
> 
> I have one question, though: How can I determine the device's vendor and
> product ID?
> 
> --
> To enable the generic driver to recognize your device, build the driver
>   as a module and load it by the following invocation:
>       insmod usb-serial vendor=0x#### product=0x####
>   where the #### is replaced with the hex representation of your device's
>   vendor id and product id.
> --
> 
> Also, a side question for those of you who do have a working F5U109: When
> your adapter sends or receives data, do the Tx and Rx lights blink?
> 
> Thanks again for the help.
> 
> -Chris
> 
> On Tue, 28 May 2002, Chris Kotrla wrote:
> 
> >
> >
> > On Thu, 23 May 2002, Greg KH wrote:
> >
> > > On Thu, May 23, 2002 at 05:19:08PM -0500, Chris Kotrla wrote:
> > > > Hello,
> > > >
> > > > I'm trying to install the Belkin F5U109 USB-serial adapter in my debian
> > > > install running 2.4.18.  Searching google for help yielded some mails from
> > > > this list, but I didn't find anything conclusive.
> > > >
> > > > Evidently the belkin module is not the right one to use, but rather the
> > > > mct_u232 is the module that has support for the belkin F5U109.  I install
> > > > it and usbserial, and everything looks good when I plug it in:
> > > >
> > > > ---
> > > > May 23 16:54:47 cottonmouth kernel: hub.c: USB new device connect on
> > > > bus1/2, assigned device number 3
> > > > May 23 16:54:47 cottonmouth kernel: usbserial.c: Magic Control Technology
> > > > USB-RS232 converter detected
> > > > May 23 16:54:47 cottonmouth kernel: usbserial.c: Magic Control Technology
> > > > USB-RS232 converter now attached to ttyUSB0 (or usb/tts/0 for devfs)
> > > > ---
> > > >
> > > > Note that it's not actually a Magic Control Technology USB-RS232
> > > > converter; its a Belkin.  I'm guessing Magic Control Tech OEMed the
> > > > product?
> > >
> > > Belkin OEMed the product.
> > >
> > > > Anyway, the device has three lights on it: LINK, TX, and RX.  The link
> > > > light is always on when it's plugged in.  When I echo 'some stuff' >
> > > > /dev/ttyUSB0, the LINK light blinks, but nothing else happens.  On a
> > > > windows box, when I send stuff, the TX light does blink (as it should).
> > >
> > > Does the data go through properly?
> >
> > No, it never makes it.  I've tried a couple of different serial devices,
> > but not had any luck.
> >
> >
> > >
> > > > The device I'm trying to control only works at 2400 baud, so I set the
> > > > baudrate: stty 2400 < /dev/ttyUSB0.  The device doesn't show any sign of
> > > > being sent anything, though.
> > >
> > > stty doesn't send data, what do you think should be sent?
> > >
> >
> > Right - I mean that later, when I try to send something, it never makes
> > it.
> >
> >
> > > > Anyone know what I'm doing wrong here?  As far as I can tell, the mct_u232
> > > > should work fine.  I checked the source code and saw a comment indicating
> > > > that it was updated to support the Belkin F5u109.
> > > >
> > > > Any help would be appreciated!
> > >
> > > Have you tried using a serial based program to talk to the device,
> > > instead of just "echo"?  I've found that echo doesn't work very well for
> > > serial devices, but programs like minicom or kermit work just fine.
> > > Have you tried them?
> >
> > I tried minicom, and I get similar results.  When I try sending something
> > to the adapter, the "link" light will blink with each key press.  One
> > interesting thing I've noticed, though, is that after I press enough keys,
> > the usb-serial adapter seems to completely freeze up and doesn't accept
> > any more input.  Minicom also seems dead at this point.  I tried killing
> > minicom and reopening it, but it the serial-usb adapter doesn't even blink
> > any more.
> >
> > I'm a relative newbie to linux, so it's entirely possible that I'm missing
> > something really simply here - but I know I have the right driver, and I
> > know it's recognizing and at least somewhat communicating with the
> > adapter.  Does it make any difference if I compile the mct_u232 into the
> > kernel or load it as a module? (I've tried both).
> >
> > I've even patched the kernel to the 2.4.19-pre8 but it doesn't seem to
> > have made any difference.
> >
> > I know the adapter works, 'cuz I've used it on a windows box, and at the
> > same time, I'm having this problem with two different linux boxes - that's
> > why I'm guessing there must be some simple thing I'm missing.
> >
> > Any clues?
> >
> > Thanks again for everyone's help.
> >
> > -Chris
> >
> >
> >
> > >
> > > thanks,
> > >
> > > greg k-h
> > >
> >
> >
> > _______________________________________________________________
> >
> > Don't miss the 2002 Sprint PCS Application Developer's Conference
> > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
> >
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> >
> 
> 
> _______________________________________________________________
> 
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