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Chapter 1: Introduction
Text Conventions
1.2
Text Conventions
The following conventions and syntax are followed throughout this document:
Note: Notes highlight additional helpful information.
Important: These statements provide important instructions or additional information that is
critical to the operation of the computer or other equipment.
Warning: These statements provide important information that may prevent injury, damage to
the equipment, or loss of data.
An arrow next to field description information (usually in tables) indicates a recommended or
suggested configuration setting.
1.3
About the HDK
The Omnii HDK (Hardware Development Kit) provides the software tools and technical
information necessary to design and integrate your own expansion modules for your Omnii
hand-held computer.
Three dedicated expansion ports provide access to USB, serial and GPIO (General Purpose
Input/Output) interfaces for connecting to standard devices (bar code scanners, imagers, RFID
readers, etc.). An audio expansion port is also available for attaching speaker and/or
microphone devices.
3D model files and schematic drawings are provided which give the precise measurements needed
for designing custom back-cover, end-cap and pod expansion modules that fit and seal perfectly
with the main housing.
Finally, the Omnii HDK API library provides the software tools necessary to access and control
the expansion ports, and the devices attached to them.
1.4
Development Platform
The Omnii API library is designed for application development using Visual Studio 9 (2008).
1.5
Contents of the HDK
The HDK (Hardware Development Kit) for Omnii includes the following items:
•
This manual.
•
Installer for development files, including C header files for managing expansion devices and
HDK Demo application. See Section 4.7: "Omnii HDK Application Development Software"
and Chapter 10: "HDK Demo Application" for more details on these files.
•
2D drawings and 3D models of the areas of Omnii where devices and modules can
be mounted.
4
Psion Teklogix Omnii HDK User Manual
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