Re: USB On-The-Go
From: Michael AMSELLEM (nospam_at_theoris.fr)
Date: 02/02/05
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Date: Wed, 2 Feb 2005 12:28:25 +0100
The detection of a new USB device on your host is made by the polling thread
HubStatusChangeThread, in file cdevice.cpp.
The thread linked with the interrupt, in file chw.c, is here to check the
transfers with the USB device.
Hope this helps,
Michael AMSELLEM
"BuilderBob" <BuilderBob@hotmail.com> a écrit dans le message de news:
7s1Md.14121$mo2.1103042@news.xtra.co.nz...
> Hi, I am trying to write a USB On-The-Go driver for WinCE5.0 using an
> Intel
> XScale and a Philips ISP1301 external USB OTG transceiver. Without going
> into too much detail, I am wondering where is the entry point into the HCD
> /OHCI sample drivers, after a "cable attached" event is raised. I have
> read
> that this event is raised by detecting a transition on the USB D- or D+
> lines and/or a transition on the VBus. But cant find the first PDD routine
> that is invoked as a result of this event. Or maybe the interrupt handler
> for is in a higher layer than PDD. Can anyone please help me with this.
> Thanks for reading this.
>
>
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