Digital signal processing and applications with the C6713 and C6416 DSK

Title:

Personal Author:

Chassaing, Rulph

Series:

Topics in digital signal processing

Publication Information:

Hoboken, NJ : Wiley-Interscience, 2004

Physical Description:

1v + 1 CD-ROM

ISBN:

9780471690078

General Note:

Accompanied by compact disc : CP 7378

Subject Term:

Signal processing -- Digital techniques

Texas Instruments TMS320 series microprocessors

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000010148759	TK5102.9 C424 2005	Open Access Book	Book	Searching... Unknown
Searching... PSZ KL	30000003594250	TK5102.9 C424 2005	Open Access Book	Book	Searching... Unknown

This book is a tutorial on digital techniques for waveform generation, digital filters, and digital signal processing tools and techniques The typical chapter begins with some theoretical material followed by working examples and experiments using the TMS320C6713-based DSPStarter Kit (DSK) The C6713 DSK is TI's newest signal processor based on the C6x processor (replacing the C6711 DSK)

Author Notes

RULPH CHASSAING, PhD, teaches Real-Time DSP at Worcester Polytechnic Institute (WPI). In addition to offering many DSP training workshops and seminars, he has authored four other books: DSP Applications Using C and the TMS320C6x DSK, Digital Signal Processing: Laboratory Experiments Using C and the TMS320C31 DSK, Digital Signal Processing with C and the TMS320C30, and Digital Signal Processing with the TMS320C25, all published by Wiley.

Preface	p. xiii
List of Examples	p. xvii
Programs/Files on Accompanying CD	p. xxi
1 DSP Development System	p. 1
1.1 Introduction	p. 1
1.2 DSK Support Tools	p. 2
1.2.1 DSK Board	p. 3
1.2.2 TMS320C6713 Digital Signal Processor	p. 5
1.3 Code Composer Studio	p. 5
1.3.1 CCS Installation and Support	p. 6
1.3.2 Useful Types of Files	p. 7
1.4 Quick Test of DSK	p. 7
1.5 Support Files	p. 8
1.6 Programming Examples to Test the DSK Tools	p. 9
1.7 Support Programs/Files Considerations	p. 27
1.7.1 Initialization/Communication File	p. 27
1.7.2 Vector File	p. 30
1.7.3 Linker Command File	p. 32
1.8 Compiler/Assembler/Linker Shell	p. 33
1.8.1 Compiler	p. 33
1.8.2 Assembler	p. 34
1.8.3 Linker	p. 34
1.9 Assignments	p. 35
References	p. 36
2 Input and Output with the DSK	p. 39
2.1 Introduction	p. 39
2.2 TLV320AIC23 (AIC23) Onboard Stereo Codec for Input and Output	p. 40
2.3 Programming Examples Using C Code	p. 42
2.4 Assignments	p. 71
References	p. 72
3 Architecture and Instruction Set of the C6x Processor	p. 73
3.1 Introduction	p. 73
3.2 TMS320C6x Architecture	p. 75
3.3 Functional Units	p. 76
3.4 Fetch and Execute Packets	p. 79
3.5 Pipelining	p. 79
3.6 Registers	p. 81
3.7 Linear and Circular Addressing Modes	p. 82
3.7.1 Indirect Addressing	p. 82
3.7.2 Circular Addressing	p. 82
3.8 TMS320C6x Instruction Set	p. 84
3.8.1 Assembly Code Format	p. 84
3.8.2 Types of Instructions	p. 85
3.9 Assembler Directives	p. 86
3.10 Linear Assembly	p. 87
3.11 ASM Statement within C	p. 88
3.12 C-Callable Assembly Function	p. 89
3.13 Timers	p. 89
3.14 Interrupts	p. 89
3.14.1 Interrupt Control Registers	p. 90
3.14.2 Interrupt Acknowledgment	p. 91
3.15 Multichannel Buffered Serial Ports	p. 92
3.16 Direct Memory Access	p. 92
3.17 Memory Considerations	p. 93
3.17.1 Data Allocation	p. 93
3.17.2 Data Alignment	p. 94
3.17.3 Pragma Directives	p. 94
3.17.4 Memory Models	p. 95
3.18 Fixed- and Floating-Point Format	p. 95
3.18.1 Data Types	p. 95
3.18.2 Floating-Point Format	p. 96
3.18.3 Division	p. 97
3.19 Code Improvement	p. 97
3.19.1 Intrinsics	p. 97
3.19.2 Trip Directive for Loop Count	p. 98
3.19.3 Cross-Paths	p. 98
3.19.4 Software Pipelining	p. 98
3.20 Constraints	p. 99
3.20.1 Memory Constraints	p. 99
3.20.2 Cross-Path Constraints	p. 99
3.20.3 Load/Store Constraints	p. 100
3.20.4 Pipelining Effects with More Than One EP within an FP	p. 100
3.21 Programming Examples Using C, Assembly, and Linear Assembly	p. 101
3.22 Assignments	p. 115
References	p. 117
4 Finite Impulse Response Filters	p. 119
4.1 Introduction to the z-Transform	p. 119
4.1.1 Mapping from s-Plane to z-Plane	p. 122
4.1.2 Difference Equations	p. 123
4.2 Discrete Signals	p. 124
4.3 FIR Filters	p. 125
4.4 FIR Lattice Structure	p. 127
4.5 FIR Implementation Using Fourier Series	p. 131
4.6 Window Functions	p. 135
4.6.1 Hamming Window	p. 136
4.6.2 Hanning Window	p. 136
4.6.3 Blackman Window	p. 136
4.6.4 Kaiser Window	p. 137
4.6.5 Computer-Aided Approximation	p. 137
4.7 Programming Examples Using C and ASM Code	p. 137
4.8 Assignments	p. 173
References	p. 174
5 Infinite Impulse Response Filters	p. 177
5.1 Introduction	p. 177
5.2 IIR Filter Structures	p. 178
5.2.1 Direct Form I Structure	p. 178
5.2.2 Direct Form II Structure	p. 179
5.2.3 Direct Form II Transpose	p. 181
5.2.4 Cascade Structure	p. 182
5.2.5 Parallel Form Structure	p. 183
5.2.6 Lattice Structure	p. 185
5.3 Bilinear Transformation	p. 190
5.3.1 BLT Design Procedure	p. 191
5.4 Programming Examples Using C and ASM Code	p. 192
5.5 Assignments	p. 205
References	p. 206
6 Fast Fourier Transform	p. 208
6.1 Introduction	p. 208
6.2 Development of the FFT Algorithm with Radix-2	p. 209
6.3 Decimation-in-Frequency FFT Algorithm with Radix-2	p. 210
6.4 Decimation-in-Time FFT Algorithm with Radix-2	p. 217
6.5 Bit Reversal for Unscrambling	p. 221
6.6 Development of the FFT Algorithm with Radix-4	p. 221
6.7 Inverse Fast Fourier Transform	p. 224
6.8 Programming Examples	p. 225
6.8.1 Fast Convolution	p. 237
6.9 Assignments	p. 245
References	p. 247
7 Adaptive Filters	p. 249
7.1 Introduction	p. 249
7.2 Adaptive Structures	p. 251
7.3 Adaptive Linear Combiner	p. 254
7.4 Performance Function	p. 257
7.5 Searching for the Minimum	p. 259
7.6 Programming Examples for Noise Cancellation and System Identification	p. 262
References	p. 282
8 Code Optimization	p. 284
8.1 Introduction	p. 284
8.2 Optimization Steps	p. 285
8.2.1 Compiler Options	p. 285
8.2.2 Intrinsic C Functions	p. 286
8.3 Procedure for Code Optimization	p. 286
8.4 Programming Examples Using Code Optimization Techniques	p. 286
8.5 Software Pipelining for Code Optimization	p. 293
8.5.1 Procedure for Hand-Coded Software Pipelining	p. 293
8.5.2 Dependency Graph	p. 294
8.5.3 Scheduling Table	p. 295
8.6 Execution Cycles for Different Optimization Schemes	p. 302
References	p. 303
9 DSP/BIOS and RTDX Using MATLAB, Visual C++, Visual Basic, and LabVIEW	p. 304
9.1 Introduction to DSP/BIOS	p. 306
9.2 RTDX Using MATLAB to Provide Interface Between PC and DSK	p. 311
9.3 RTDX Using Visual C++ to Interface with DSK	p. 321
9.4 RTDX Using Visual Basic to Provide Interface Between PC and DSK	p. 332
9.5 RTDX Using LabVIEW to Provide Interface Between PC and DSK	p. 335
Acknowledgments	p. 342
References	p. 342
10 DSP Applications and Student Projects	p. 343
10.1 DTMF Detection Using Correlation, FFT, and Goertzel Algorithm	p. 343
10.1.1 Using a Correlation Scheme and Onboard LEDs for Verifying Detection	p. 345
10.1.2 Using RTDX with Visual C++ to Display Detected DTMF Signals on the PC	p. 348
10.1.3 Using FFT and Onboard LEDs for Verifying Detection	p. 350
10.1.4 Using Goertzel Algorithm	p. 350
10.2 Beat Detection Using Onboard LEDs	p. 352
10.3 FIR with RTDX Using Visual C++ for Transfer of Filter Coefficients	p. 355
10.4 Radix-4 FFT with Frequency Domain Filtering	p. 357
10.5 Radix-4 FFT with RTDX Using Visual C++ and MATLAB for Plotting	p. 357
10.6 Spectrum Display Through EMIF Using a Bank of 32 LEDs	p. 360
10.7 Spectrum Display Through EMIF Using LCDs	p. 364
10.8 Time-Frequency Analysis of Signals with Spectrogram	p. 368
10.8.1 Simulation Using MATLAB	p. 368
10.8.2 Spectrogram with RTDX Using MATLAB	p. 370
10.8.3 Spectrogram with RTDX Using Visual C++	p. 372
10.9 Audio Effects (Echo and Reverb, Harmonics, and Distortion)	p. 373
10.10 Voice Detection and Reverse Playback	p. 375
10.11 Phase Shift Keying-BPSK Encoding and Decoding with PLL	p. 377
10.11.1 BPSK Single-Board Transmitter/Receiver Simulation	p. 377
10.11.2 BPSK Transmitter/Voice Encoder with Real-Time Input	p. 381
10.11.3 Phase-Locked Loop	p. 383
10.11.4 BPSK Transmitter and Receiver with PLL	p. 386
10.12 Binary Phase Shift Keying	p. 390
10.13 Modulation Schemes-PAM and PSK	p. 393
10.13.1 Pulse Amplitude Modulation	p. 393
10.13.2 Phase-Shift Keying	p. 396
10.14 Selectable IIR Filter and Scrambling Scheme Using Onboard Switches	p. 401
10.15 Convolutional Encoding and Viterbi Decoding	p. 404
10.16 Speech Synthesis Using Linear Prediction of Speech Signals	p. 414
10.17 Automatic Speaker Recognition	p. 418
10.18 [mu]-Law for Speech Companding	p. 422
10.19 Voice Scrambler Using DMA and User Switches	p. 423
10.20 SB-ADPCM Encoder/Decoder: Implementation of G.722 Audio Coding	p. 423
10.21 Encryption Using the Data Encryption Standard Algorithm	p. 425
10.22 Phase-Locked Loop	p. 429
10.23 Miscellaneous Projects	p. 430
10.23.1 Multirate Filter	p. 431
10.23.2 Acoustic Direction Tracker	p. 436
10.23.3 Neural Network for Signal Recognition	p. 437
10.23.4 Adaptive Temporal Attenuator	p. 441
10.23.5 FSK Modem	p. 442
10.23.6 Image Processing	p. 443
10.23.7 Filter Design and Implementation Using a Modified Prony's Method	p. 444
10.23.8 PID Controller	p. 444
10.23.9 Four-Channel Multiplexer for Fast Data Acquisition	p. 444
10.23.10 Video Line Rate Analysis	p. 444
Acknowledgments	p. 444
References	p. 445
Appendix A TMS320C6x Instruction Set	p. 450
A.1 Instructions for Fixed- and Floating-Point Operations	p. 450
A.2 Instructions for Floating-Point Operations	p. 450
References	p. 450
Appendix B Registers for Circular Addressing and Interrupts	p. 452
Reference	p. 452
Appendix C Fixed-Point Considerations	p. 455
C.1 Binary and Two's-Complement Representation	p. 455
C.2 Fractional Fixed-Point Representation	p. 458
C.3 Multiplication	p. 458
Reference	p. 461
Appendix D MATLAB Support Tools	p. 462
D.1 SPTool and FDATool for FIR Filter Design	p. 462
D.2 SPTool and FDATool for IIR Filter Design	p. 465
D.3 MATLAB for FIR Filter Design Using the Student Version	p. 468
D.4 MATLAB for IIR Filter Design Using the Student Version	p. 470
D.5 BLT Using MATLAB and Support Programs on CD	p. 471
D.6 FFT and IFFT	p. 477
References	p. 478
Appendix E Additional Support Tools	p. 479
E.1 Goldwave Shareware Utility as a Virtual Instrument	p. 479
E.2 Filter Design Using DigiFilter	p. 480
E.2.1 FIR Filter Design	p. 480
E.2.2 IIR Filter Design	p. 481
E.3 FIR Filter Design Using a Filter Development Package	p. 482
E.3.1 Kaiser Window	p. 482
E.3.2 Hamming Window	p. 484
E.4 Visual Application Builder and LabVIEW	p. 485
E.5 Alternative Input/Output	p. 485
References	p. 485
Appendix F Fast Hartley Transform	p. 486
References	p. 492
Appendix G Goertzel Algorithm	p. 493
G.1 Design Considerations	p. 493
References	p. 496
Appendix H TMS320C6416 DSK	p. 497
H.1 TMS320C64x Processor	p. 497
H.2 Programming Examples Using the C6416 DSK	p. 498
References	p. 502
Appendix I TMS320C6711 DSK	p. 503
Reference	p. 503
Index	p. 505

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Author Notes

Table of Contents