Lpc2000

Thank you!

What "USB stack" do you use? I checked keil USB demos and it looks very 
nice. Unfortunately they implemented mass storage, audio and HID class 
so far.

Marko


Bertrik Sikken wrote:
> Marko Pavlin wrote:
>  > I would like to use CDC USB class to replace RS232 interface for a
>  > product implemented with LPC2148.
> 
> I'm also working on a USB CDC class driver for the LPC214x.
> 
>  >
>  > I have some (mostly "windows") questions:
>  >
>  > 1. Does microsoft provide standard INF file for the CDC driver?
> 
> Not as far as I know.
> 
>  > 2. If not, is it possible to define inside INF file the port number
>  > (e.g. COM9, COM27 etc..)?
> 
> In my experience, windows just assigns the next available com port.
> 
> When resetting the USB CDC device while it is open (e.g. in HyperTerm)
> the 'next available com port' is increased. For example, when virtual
> COM3 is opened in hyperterm and the device is plugged/unplugged,
> COM3 gets 'zombified' and the device is now assigned COM4.
> 
> There was some recent discussion about making a USB CDC COM port
> persistent on the usb.org discussion forums.
> 
>  > 3. Where is "normally" usbser.sys after WINxxx installation?
> 
> I had to manually extract it from one of the .cab files in
> <windows root>\Driver Cache\i386
> (driver.cab or sp2.cab)
> 
> Regards,
> Bertrik
> 
> ------------------------------------------------------------------------
> YAHOO! GROUPS LINKS
> 
>     *  Visit your group "lpc2000
>       <http://groups.yahoo.com/group/lpc2000>" on the web.
>        
>     *  To unsubscribe from this group, send an email to:
>        lpc2000-unsubscribe@yahoogroups.com
>       <mailto:lpc2000-unsubscribe@yahoogroups.com?subject=Unsubscribe>
>        
>     *  Your use of Yahoo! Groups is subject to the Yahoo! Terms of
>       Service <http://docs.yahoo.com/info/terms/>.
> 
> 
> ------------------------------------------------------------------------
>