C H A P T E R 6
Understanding Device Driver Types
Device driver type is really an ambiguous term. Windows Embedded Compact 7 views two basic types of device drivers; Native and Stream device drivers. A third (which is really a combination of the two) is called a hybrid device driver. A native device driver is a built-in device driver that is loaded and called by GWES at boot time and exposes a custom API set that is unique to the device driver class. A device driver that manages an IO device built into the hardware platform and is managed by Device Manager and exposes a stream interface is regarded as a stream device driver. Hybrid device drivers expose both a custom-purpose interface and a stream interface to the rest of the system.
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