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Session 1320

An Introduction to Hardware-Based DSP Using winDSK6

Michael G. Morrow University of Wisconsin Thad B. Welch United States Naval Academy Cameron H. G. Wright U.S. Air Force Academy

Abstract

Today there is a global need for engineers who are DSP literate. To help educate the next generation of DSP engineers, several powerful and highly versatile DSP boards designed for educational use are offered. The problem with most of these systems is that they lack user- friendly software to demonstrate the capabilities of the DSP boards. Some of the software packages shipped with these devices have a very steep learning curve, while other packages are still DOS or command line based. Today’s students may be hesitant to approach these impediments to learning without significant motivation. To allow a student’s first hardware- based DSP experience to be a positive one, software tools must be provided that are affordable, easy to install, attention getting, Windows-based, and feature rich. This paper discusses winDSK6, an object-oriented application program that meets all of these requirements. winDSK6 seamlessly interfaces with and programs the complete TMS3206xxx family of DSP Starter Kits (DSKs). Its features include, talk-through (with full CODEC parameter control), oscilloscope, spectrum analyzer (both the traditional display and waterfalling spectrogram), notched filter, arbitrary waveform generation, DTMF generation (with repeating speed-dial), Karplus-Strong string algorithm, 5 band graphic equalizer, audio effects, guitar synthesizer, and a DSK confidence test. The authors freely distribute this software for educational, non-profit use.

1 Introduction

There is a worldwide need for digital signal processing (DSP) literate engineers that is not being completely satisfied. Despite our best efforts to offer both innovative electrical engineering (EE) and particularly DSP courses that use state-of-the-art software and hardware tools (such as The MathWorks’ line of MATLAB products and Texas Instruments’ (TI) TMS320Cxxxx DSP boards and associated development tools), EE enrollment continues to decline! If the decline in EE enrollment is a trend that we as professional EE educators wish to reverse (and the authors submit that we do), then a more detailed look at our students is in order.

Proceedings of the 2001 American Society for Engineering Education Annual Conference & Exposition Copyright © 2001, American Society for Engineering Education

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Wright, C., & Morrow, M., & Welch, T. (2001, June), An Introduction To Hardware Based Dsp Using Win Dsk6 Paper presented at 2001 Annual Conference, Albuquerque, New Mexico. 10.18260/1-2--9477