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April 2007 - Posts

Sunday, April 15, 2007 5:01 PM

Cancellation Behavior of MTP USB Devices

The MTP Specification contains this definition of the CancelTransaction Event: G.2.2 CancelTransaction Event Code: 0x4001 Parameter 1: None Parameter 2: None Parameter 3: None This event is used to initiate the cancellation of a transaction over transports
Posted by wpdblog | 4 Comments
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Tuesday, April 03, 2007 1:16 AM

Installing the Sample Drivers on XP and Vista

A question was raised today on how to run the WPD sample drivers on Windows XP. WPD drivers and applications can run downlevel on Windows XP as long as the WPD and UMDF runtimes are both installed. Compiling a WPD Driver for your OS For the driver to
Posted by wpdblog | 7 Comments
Sunday, April 01, 2007 7:14 PM

Driver Dev Guide: WPP Tracing in your WPD Driver

WPP Software Tracing is the recommended way to log trace and error messages in your WPD driver. WPP, short for W indows Software Trace P re P rocessor, provides an efficient real-time event logging mechanism. In addition, WPP traces include the system
Posted by wpdblog | 1 Comments
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