On 2008-04-09, syl  wrote:

quoted text
> I'm developping a firmware for an usb device for my enterprise

> and I try to be compatible with OpenBSD.

great (:
> The plug seems to works fine. The attach works and attach ucom0

quoted text
> at umodem and umodem at uhub.

>

> But when I'm trying to do this :

> echo aaab > /dev/ttyU0

This is normal, try cuaU0. Also you might find "cu -l /dev/cuaU0"

is useful for testing..