Cirrus Logic CS4970x4 - Manual (Page 111)

Overview
CS4953x4/CS4970x4 System Designer’s Guide
DS810UM6 Copyright 2013 Cirrus Logic, Inc 8-1
Chapter 8
DSP Condenser
8.1 Overview
Cirrus Logic provides the customer with the DSP Condenser application to implement the design
capabilities described in
Section P.1 . The DSP Condenser application has the following features:
• Customer specifies the DSP features such as the decoding modules to be used in the customer
application.
• Application matches the appropriate Cirrus firmware with the customer-selected processing and
decoding modules and loads it on the customer’s Flash device for testing on Cirrus Logic
development boards or on the customer’s system.
How DSP Condenser provides the control code to the DSP is described in Figure 8-1 .
Figure 8-1. DSP Condenser-produced Control Code
8.1.1 Purpose of DSP Condenser
DSP Condenser is a set of tools and a methodology designed to make it easier to develop a Cirrus DSP-
based audio system. Using Condenser tools, the system designer can create a flash image that is directly
accessible by the DSP operating system, and which contains all of the DSP firmware and most of the
firmware configurations necessary to implement the desired DSP audio processing flow, with minimal
control required by the system micro-controller.
Conceptually, DSP condenser allows the system designer to:
• Choose, at a high level, what firmware components to include in the design, including decoder and
other audio processing algorithms
• Use the DSP Composer graphical tool to tune the parameters to any or all of the firmware
components in the design
• “Condense” the chosen firmware components and configurations into a single flash image, ready to
be programmed and embedded in the system with the DSP
• Test the flash image using the same high-level API that the system micro-controller should use in the
final system