NavPad
™
Technical Manual
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is confidential and is not to be used for any purpose, or disclosed to a third party without the express and written consent of
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NavPad - Technical Manual Rev 2.2
www.storm-interface.com
Page 7 of 64
USB Device Information
USB HID
The USB interface comprises a USB HUB with keyboard device and audio device connected.
JACK SOCKET (AUDIO)
KEYS
TO PC
The following VID/PID combinations are used:
For USB HUB:
For Standard Keyboard/Composite HID/
For USB Audio device
Consumer Controlled device
•
VID – 0x0424
•
VID – 0x2047
•
VID – 0x0D8C
•
PID – 0x2512
•
PID – 0x09D0
•
PID – 0x0170
This document will concentrate on the Standard Keyboard/Composite HID/Consumer Controlled device.
This interface will enumerate as
•
Standard HID Keyboard
•
Composite HID-datapipe Interface
•
HID Consumer Controlled device
One of the advantages of using this implementation is that no drivers are required.
The data-pipe interface is used to provide the host application to facilitate customisation of the product.
Supported Audio Jack Configurations
The following jack configurations are supported.
Note: Application software should always ensure the same audio is present on both Left and Right Channels for
correct mono operation.
USB AUDIO
DEVICE
HUB
USB KEYBOARD
DEVICE
