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A Hitchhiker's Guide to Virtual Reality
book

A Hitchhiker's Guide to Virtual Reality

by Karen McMenemy, Robin Stuart Ferguson
July 2007
Beginner to intermediate content levelBeginner to intermediate
604 pages
17h 36m
English
A K Peters/CRC Press
Content preview from A Hitchhiker's Guide to Virtual Reality
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502 17. Programming Input and Force Feedback
The endpoint descriptor has 6 fields occupying 7 bytes. It specifies how
the USB device is to be driven; for example, by the interrupt mech-
anism with a polling interval of 10 ms that allows the PC to receive
position updates 100 times per second.
The HID descriptor has 7 fields occupying 9 bytes. It informs the PC
of the number of report descriptors and to which USB standard it is
working, e.g., USB 1.
The report descriptor is the one that specifies the format of the data being
sent by the USB device; for example, 6 bytes of data to the PC. There
is no correct way of writing this report, as any ...
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Publisher Resources

ISBN: 9781568814773