Re: Detecting a USB connection is made - How does ActiveSync do it??
Date: Sun, 30 May 2004 00:05:23 -0400
You need to grab the hardware interrupt that occurs on connection.
ActiveSync works because the OEM wrote the OAL to specifically launch when
"Nick Farina" <email@example.com> wrote in message
> I am building a USB communication protocol between a PocketPC and the
> desktop. For this project I cannot use ActiveSync. I can
> successfully send and receive data over raw USB serial comms (still
> having problems with that, but it works).
> However, I cannot determine the appropriate time to open the USB port
> on the PocketPC. I have signed up for
> NOTIFICATION_EVENT_RS232_DETECTED, but it only seems to work when
> ActiveSync is running on the desktop, which I can't have because it
> steals the connection.
> How else can I figure out when the USB cable is attached? How does
> ActiveSync do it??
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