1 Introduction
VLSI Solution’s flagship audio codec integrated circuit VS1005g has myriads of hardware
features. To make them more programmable, VLSI Solution has created a proprietary
operating system, called VSOS (VLSI Solution Operating System), to make it as
easy as possible for the programmers to access these numerous features.
After the disclaimer and definitions in Chapters 2 and 3, an overview of VSOS is given in
Chapter 4, VSOS Overview. It is followed by a presentation of VSOS basic build blocks
in Chapter 5, VSOS Fundamentals.
Model-View-Controller-style messaging is explained in Chapter 6, User Interface Messages.
VSIDE templates are listed and explained in Chapter 7, VSOS Templates in VSIDE.
The VSOS API interfaces are listed in Chapter 8, THe VSOS API Reference.
Chapter 9, VS_DSP4 Architecture, explains some aspects of the VS_DSP4 processor
architecture that are useful for programmers to know.
Chapter 10, Audio, tells how to handle audio under VSOS.
Finally, Chapter 11, How to Write Efficient VS_DSP4 Code, instructs on how to get your
code run faster and smaller.……
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