Chapter 7 Hardware Implementation Tools
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7.4 MATLAB/SIMULINK in Real Time Applications
Rapid prototyping is a new approach in digital signal processing systems development.
With the advent of MATLAB's Real Time Workshop (RTW) toolbox it is now possible to
compile, load, and execute graphically designed SIMULINK models on an actual DSP platform,
without spending many workdays coding in typical DSP-oriented languages (assembly
languages), or C/C++ compilers. RTW supports the powerful Texas Instruments 'C6000 series,
including the TMS320C6713 DSP. The basic steps of the complete project development include
designing an algorithm for the given task, implementing a suitable algorithm in MATLAB and
SIMULINK and finally, translating it into target DSP code by means of a rapid prototyping
approach. The original code was developed in MATLAB and so the MATLAB's Real Time
Workshop (RTW) platform is used for rapid prototyping. Real-Time Workshop builds
applications from SIMULINK diagrams for prototyping, testing, and deploying real-time
systems on a variety of target computing platforms, including Texas Instruments C6000 class
DSP processors (Target Support Package TC6).
7.4.1 Real Time Workshop Toolbox
Real Time Workshop is an extension of capabilities of SIMULINK and MATLAB that
automatically generates packages and compiles source code from SIMULINK models to create
real-time software applications on a variety of systems [3]. By providing a code generation
environment for rapid prototyping and deployment, Real-Time Workshop is the foundation for
production code generation capabilities. Along with other tools and components from MATLAB,
Real-Time Workshop provides automatic code generation tailored for a variety of target
platforms, a rapid and direct path from system design to implementation, seamless integration
with MATLAB and SIMULINK, a simple graphical user interface, an open architecture and
extensible make process. The principal components and features of Real-Time Workshop [4] are:
SIMULINK Code Generator: - Automatically generates C code from the SIMULINK
model.
Make Process: - The Real-Time Workshop user-extensible make process lets us
customize compilation and linking of generated code for our own production or rapid
prototyping target.
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