On Tue, Nov 12, 2002 at 08:30:02AM -0800, Mike Rosing wrote:
> Howdy,
> 
> I'm building a hardware interface to a PIC using the FTDI usb<->serial
> chip.  I am using 2.2.20 kernel, and I finally got the hardware to
> respond when I do
> cat /proc/bus/usb/devices
> 
> it comes back with all the right stuff (that took a while!)
> 
> I've tried to use minicom to talk to /dev/ttyUSB0 (and 1 and 2)
> but nothing gets to the ftdi chip (at least the rxf line doesn't
> go low, so I'm assuming no data got sent).  I did not change anything
> like baud rate or handshake control, because the driver ignores all that
> anyway.  Or does it?
> 
> If minicom won't work, what's an easy way to just do a simple test
> of /dev/ttyUSBx?  I have my PIC set up to do a loop back, so anything that
> goes into the ftdi just gets sent back.
> 
> any pointers or ideas appreciated!

A simple test?  Try "echo", but don't rely on the data it sends, or any
line settings :)

I have a loopback script that I use to test the driver around here
somewhere if you're interested in it.

Why not try a 2.4.19 kernel?

thanks,

greg k-h


-------------------------------------------------------
This sf.net email is sponsored by: 
To learn the basics of securing your web site with SSL, 
click here to get a FREE TRIAL of a Thawte Server Certificate: 
http://www.gothawte.com/rd522.html
_______________________________________________
[EMAIL PROTECTED]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-users

Reply via email to