DeviceIOControl takes too long
From: Max Mayer (mayer_max_at_web.de)
Date: 11/30/04
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Date: Tue, 30 Nov 2004 09:56:07 +0100
DeviceIOControl takes too long
I have to call a user-mode stream-interface-driver from a user mode program
as fast as possible!
Calling DeviceIOControl will need about 60us. Is it possible to speed up
this call or can I alternatively call the driver directly by exporting a
function and calling this function from my user mode program?
The hardware-platform I used: XScale 400MHz.
max
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