Digital Signal Processing and Applications with the OMAP - L138 eXperimenter (ePub)

Preface xi List of Examples xiii 1. OMAP-L138 Development System 1 1.1 Introduction 1 1.1.1 Digital Signal Processors 3 1.2 Hardware and Software Tools 4 1.2.1 Zoom OMAP-L138 eXperimenter Board 6 1.2.2 C6748 Processor 6 1.2.3 Code Composer Studio IDE 6 1.2.4 Installation of Code Composer Studio Software Version 4 and Support Files 7 1.3 Initial Test of the Experimenter Using a Program Supplied with this Book 8 1.4 Programming Examples to Test the Experimenter 14 1.5 Support Files 31 1.5.1 Initialization and Configuration File (L138_aic3106_init.c) 31 1.5.2 Header File (L138_aic3106_init.h) 32 1.5.3 Vector Files (vectors_intr.asm and vectors_poll.asm) 32 1.5.4 Linker Command File (linker_dsp.cmd) 34 Exercises 36 References 37 2. Analog Input and Output with the OMAP-L138 eXperimenter 38 2.1 Introduction 38 2.1.1 Sampling, Reconstruction, and Aliasing 39 2.2 TLV320AIC3106 (AIC3106) On-Board Stereo Codec for Analog Input and Output 39 2.3 Programming Examples Using C Code 41 2.3.1 Real-Time Input and Output Using Polling, Interrupts, and Direct Memory Access 41 2.3.2 Real-Time Sine Wave Generation 64 References 102 3. Finite Impulse Response Filters 103 3.1 Introduction to Digital Filters 103 3.1.1 FIR Filter 103 3.1.2 Introduction to the z-Transform 105 3.1.3 Properties of the z-Transform 107 3.1.4 z-Transfer Functions 109 3.1.5 Mapping from the s-Plane to the z-Plane 109 3.1.6 Difference Equations 111 3.1.7 Frequency Response and the z-Transform 112 3.1.8 Ideal Filter Response Classifications: LP, HP, BP, and BS 112 3.1.9 Window Method of Filter Design 113 3.1.10 Window Functions 114 3.1.11 Design of Band-Pass and High-Pass Filters Using Frequency Shifting 120 3.2 Programming Examples Using C And ASM Code 123 References 158 4. Infinite Impulse Response Filters 159 4.1 Introduction 159 4.2 IIR Filter Structures 160 4.2.1 Direct Form I Structure 160 4.2.2 Direct Form II Structure 161 4.2.3 Direct Form II Transpose 162 4.2.4 Cascade Structure 164 4.2.5 Parallel Form

Donald Reay is a Lecturer at Heriot-Watt University in Edinburgh, Scotland. He has also taught hands-on DSP, on a number of occasions, as a visiting lecturer at Zhejiang University in Hangzhou, China. He coauthored, with Rulph Chassaing, the Second Edition of Digital Signal Processing and Applications with the TMS320C6713 and TMS320C6416 DSK, also published by Wiley.

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