Title page for ETD etd-01102009-063025


Type of Document Master's Thesis
Author Hrishikesh, Srinivasan
URN etd-01102009-063025
Title Behavioral testbench development for DSP models
Degree Master of Science
Department Electrical Engineering
Advisory Committee
Advisor Name Title
Armstrong, James R. Committee Chair
Cyre, Walling R. Committee Member
Gray, Festus Gail Committee Member
Keywords
  • methodology development
Date of Defense 1995-02-05
Availability restricted
Abstract

Generation of testbenches for large DSP behavioral models is a complicated, labor intensive task. Also, tests generated manually satisfy no formal definition of completeness. To address these needs, high level approaches to test bench development are employed which relieve the modeler of the details of test bench development. Two basic approaches that are used currently for testbench development are behavioral and structural testbench development. This thesis concentrates on the development of a methodology for modeling a set of behavioral testbenches. Here, a CASE tool, I-Logix Express V-HDL, is used to model state-machine as well as data flow behavior of the testbench and then dump the corresponding VHDL code automatically. Two approaches are followed for the generation of data values for the inputs to the testbenches: 1) File I/O and 2) User interaction. This thesis also describes the development of an intelligent user interface (in C) which prompts the user for the input data values and combines this information with the testbench code. The intelligent interface also allows the user to specify and control file I/O as a data source. As an implementation of this methodology, testbenches for the following two DSP applications have been developed and are described here : 1) Infra-Red Search and Track algorithm and 2) Synthetic Aperture Radar.

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