Mobile Apps - USB Virtual com port winCE5

Asked By Alro

14-Jan-10 03:08 AM

Hi
Is it possible to create a virtual com port to an USB port (COM3: for
example) ?
I think I have to use serialusb.dll but I do not know how.
I try this :
[HKEY_LOCAL_MACHINE\Drivers\USB\LoadClients\65535_562\Default\Default\Serial_Class]

And what else ?

When I connect my usb device winCE ask me the name of the USB driver.

Thanks for all help

Alro

14-Jan-10 11:50 AM

That driver is used to connect your device to a PC - so USB Fucntion on your
device to USB Host on the PC.

What are you actually trying to do?

--
Bruce Eitman (eMVP)
Senior Engineer
Bruce.Eitman AT Eurotech DOT com
My BLOG http://geekswithblogs.net/bruceeitman

Eurotech Inc.
www.Eurotech.com

14-Jan-10 03:32 PM

Hi,
I think that what you mean is a so called "CDC driver".
This emulates comport functionality over USB, and exposes it to the OS as a
regular comport. This is commonly known as a "virtual comport".
This does not come standard with WinCE.
It is available comercially, unfortunately you then pay per licence.
Or you can write one yourself (I did so for a client).

Kind regards,
Rob
www.robtso.nl

15-Jan-10 08:51 AM

Yes you right, it is "CDC driver"

Bruce said : "What are you actually trying to do? "
We want to connect a device to an usb port and communicate with it via a COM
port (com3 for example) like a standard serial com port. We already do it
with windowss XP.

We have found a paid driver, but the price is a problem....
We will write it, but we are rookie under CE and driver developpment and we
do not have enough time.

Rob, if you already do it, could you send us a demo version and a price for
a complete version ? If it is possible of course.

Thanks a lot for your help

Alro.

15-Jan-10 12:42 PM

I could contact you if you had filled in some contact info....
Plz contact me through my website.

Kind regards,
Rob
www.robtso.nl

15-Jan-10 12:41 PM

Is your device using the ftdi chipset or something else?
What cpu has your ce platform?