Re: Issue USB Port Reset in WInCE by Marc
Marc
Thu Nov 13 20:42:08 CST 2003
I don't know if these will result in power cycling the USB bus for the
device, but you might try ResetDefaultPipe() or
DeactivateDevice()/ActivateDevice.
This can also be done by issuing a Vendor Specific command that removes
power from the devices pull-up on D+ or D-.
Marc Reinig
System Solutions
"Jack" <jgliu@toptrend.com.cn> wrote in message
news:eNka5RcqDHA.2716@TK2MSFTNGP09.phx.gbl...
> Yes, I have the same question.
> For the need to re-initialize the usb carmera.
>
> Thanks.
>
> Jack.
>
> "Lakshman" <laksh_peri@yahoo.com>
> ??????:0a3801c3a9af$4dff1700$a301280a@phx.gbl...
> > Hi Tech Gurus,
> > This is in connection with issuing a USB
> > port Reset.
> > Can I issue a USB Port Reset from the application/driver
> > dll. Pls advice.
> > The need being erasing of firmware in the device is what
> > i want to do. For that I need to issue a Reset to the USB
> > port.
> > Pls suggest
> > Cheers,
> > Lakshman
>
>