DSP Applications Using C and the TMS320C6x DSK

by Chassaing, Rulph

• ISBN13: 9780471207542
• ISBN10: 0471207543
• Edition: 1st
• Format: Hardcover
• Copyright: 2002-02-11
• Publisher: Wiley-Interscience

Summary

The TMS320C6x is Texas Instrument's next generation DSP found in over 60 percent of wireless devices from leading manufacturers such as Ericsson, Nokia, Sony, and Handspring Author has many years experience working with the TI line of TMS DSPs and his books are based on courses and seminars given at TI sponsored meetings All programs listed in the text will be available on the Wiley FTP site In addition to its wireless applications, the TMS DSP is tailored to enable a new generation of Internet media entertainment appliances

Author Biography

RULPH CHASSAING is a visiting lecturer at the University of Massachusetts–Dartmouth. He is the author of three other books on real-time DSP: Digital Signal Processing with C and the TMS320C30, Digital Signal Processing—Laboratory Experiments Using C and the TMS320C31 DSK, and Digital Signal Processing with the TMS320C25, all published by Wiley.

Table of Contents

Preface	xi
List of Examples	xv
Programs/Files on Accompanying Disk	xix
DSP Development System	1	(32)
Introduction	1	(1)
DSK Support Tools	2	(3)
DSK Board	4	(1)
TMS320C6711 Digital Signal Processor	4	(1)
Code Composer Studio	5	(2)
CCS Installation and Support	5	(1)
Useful Types of Files	6	(1)
Programming Examples to Test the DSK Tools	7	(17)
Quick Test of DSK	7	(1)
Support Files	8	(1)
Examples	8	(16)
Support Programs/Files Considerations	24	(2)
Initialization/Communication File	24	(2)
Vector File	26	(1)
Linker File	26	(1)
Compiler/Assembler/Linker Shell	26	(7)
Compiler	28	(1)
Assembler	29	(1)
Linker	29	(1)
References	30	(3)
Input and Output with the DSK	33	(28)
Introduction	33	(1)
TLC32OAD53S (AD535) Onboard Codec for Input and Output	34	(1)
PCM3003 Stereo Codec for Input and Output	35	(2)
Programming Examples Using C Code	37	(24)
References	60	(1)
Architecture and Instruction Set of the C6x Processor	61	(41)
Introduction	61	(2)
TMS32OC6x Architecture	63	(2)
Functional Units	65	(1)
Fetch and Execute Packets	66	(1)
Pipelining	67	(1)
Registers	68	(1)
Linear and Circular Addressing Modes	69	(2)
Indirect Addressing	69	(1)
Circular Addressing	70	(1)
TMS32OC6x Instruction Set	71	(3)
Assembly Code Format	71	(1)
Types of Instructions	72	(2)
Assembler Directives	74	(1)
Linear Assembly	74	(2)
ASM Statement within C	76	(1)
C-Callable Assembly Function	76	(1)
Timers	76	(1)
Interrupts	77	(3)
Interrupt Control Registers	77	(2)
Selection of XINTO	79	(1)
Interrupt Acknowledgment	80	(1)
Multichannel Buffered Serial Ports	80	(1)
Direct Memory Access	81	(1)
Memory Considerations	82	(1)
Data Allocation	82	(1)
Data Alignment	82	(1)
Pragma Directives	83	(1)
Memory Models	83	(1)
Fixed- and Floating-Point Format	83	(2)
Data Types	83	(1)
Floating-Point Format	84	(1)
Division	85	(1)
Code Improvement	85	(2)
Intrinsics	85	(1)
Trip Directive for Loop Count	86	(1)
Cross-Paths	86	(1)
Software Pipelining	86	(1)
Constraints	87	(2)
Memory Constraints	87	(1)
Cross-Paths Constraints	87	(1)
Load/Store Constraints	88	(1)
Pipelining Effects with More Than One EP within an FP	88	(1)
TMS320C64x Processor	89	(1)
Programming Examples Using C, Assembly, and Linear Assembly	90	(12)
References	100	(2)
Finite Impulse Response Filters	102	(57)
Introduction to the z-Transform	102	(5)
Mapping from s-Plane to z-Plane	105	(1)
Difference Equations	106	(1)
Discrete Signals	107	(1)
Finite Impulse Response Filters	108	(2)
FIR Implementation Using Fourier Series	110	(4)
Window Functions	114	(2)
Hamming Window	115	(1)
Hanning Window	115	(1)
Blackman Window	115	(1)
Kaiser Window	116	(1)
Computer-Aided Approximation	116	(1)
Programming Examples Using C and ASM Code	116	(43)
References	155	(4)
Infinite Impulse Response Filters	159	(23)
Introduction	159	(1)
IIR Filter Structures	160	(7)
Direct Form I Structure	160	(1)
Direct Form II Structure	161	(2)
Direct Form II Transpose	163	(1)
Cascade Structure	164	(1)
Parallel Form Structure	165	(2)
Bilinear Transformation	167	(2)
Bilinear Transformation Design Procedure	168	(1)
Programming Examples Using C Code	169	(13)
References	181	(1)
Fast Fourier Transform	182	(34)
Introduction	182	(1)
Development of the FFT Algorithm with Radix-2	183	(1)
Decimation-in-Frequency FFT Algorithm with Radix-2	184	(7)
Decimation-in-Time FFT Algorithm with Radix-2	191	(4)
Bit Reversal for Unscrambling	195	(1)
Development of the FFT Algorithm with Radix-4	195	(3)
Inverse Fast Fourier Transform	198	(1)
Programming Examples	199	(17)
Fast Convolution	206	(8)
References	214	(2)
Adaptive Filters	216	(23)
Introduction	216	(2)
Adaptive Structures	218	(3)
Programming Examples for Noise Cancellation and System Identification	221	(18)
References	237	(2)
Code Optimization	239	(21)
Introduction	239	(1)
Optimization Steps	240	(1)
Compiler Options	240	(1)
Intrinsic C Functions	241	(1)
Procedure for Code Optimization	241	(1)
Programming Examples Using Code Optimization Techniques	241	(7)
Software Pipelining for Code Optimization	248	(10)
Procedure for Hand-Coded Software Pipelining	249	(1)
Dependency Graph	249	(2)
Scheduling Table	251	(7)
Execution Cycles for Different Optimization Schemes	258	(2)
References	259	(1)
DSP Applications and Student Projects	260	(16)
Voice Scrambler Using DMA and User Switches	260	(1)
Phase-Locked Loop	261	(2)
RTDX for Real-Time Data Transfer	263	(1)
SB-ADPCM Encoder/Decoder: Implementation of G.722 Audio Coding	263	(1)
Adaptive Temporal Attenuator	264	(1)
Image Processing	265	(1)
Filter Design and Implementation Using a Modified Prony's Method	266	(1)
FSK Modem	266	(1)
μ-Law for Speech Companding	267	(1)
Voice Detection and Reverse Playback	268	(1)
Miscellaneous Projects	268	(8)
Acoustic Direction Tracker	268	(1)
Multirate Filter	269	(1)
Neural Network for Signal Recognition	270	(1)
PID Controller	270	(1)
Four-Channel Multiplexer for Fast Data Acquisition	270	(1)
Video Line Rate Analysis	270	(2)
References	272	(4)
Appendix A TM5320C6x Instruction Set	276	(2)
A.1 Instructions for Fixed- and Floating-Point Operations	276	(1)
A.2 Instructions for Floating-Point Operations	276	(2)
References	276	(2)
Appendix B Registers for Circular Addressing and Interrupts	278	(3)
Reference	278	(3)
Appendix C Fixed-Point Considerations	281	(7)
C.1 Binary and Two's-Complement Representation	281	(3)
C.2 Fractional Fixed-Point Representation	284	(1)
C.3 Multiplication	285	(3)
Reference	287	(1)
Appendix D Matlab Support Tools	288	(15)
D.1 MATLAB GUI Filter Designer SPTOOL for FIR Filter Design	288	(2)
D.2 MATLAB GUI Filter Designer SPTOOL for IIR Filter Design	290	(2)
D.3 MATLAB for FIR Filter Design Using the Student Version	292	(2)
D.4 MATLAB for IIR Filter Design Using the Student Version	294	(1)
D.5 Bilinear Transformation Using MATLAB and Support Programs on Disk	295	(7)
D.6 FFT and IFFT	302	(1)
References	302	(1)
Appendix E Additional Support Tools	303	(7)
E.1 Goldwave Shareware Utility as Virtual Instrument	303	(1)
E.2 Filter Design Using DigiFilter	304	(2)
E.2.1 FIR Filter Design	304	(1)
E.2.2 IIR Filter Design	305	(1)
E.3 FIR Filter Design Using Filter Development Package	306	(1)
E.3.1 Kaiser Window	306	(1)
E.3.2 Hamming Window	306	(1)
E.4 Visual Application Builder	306	(2)
E.5 Miscellaneous Support	308	(2)
References	309	(1)
Appendix F Input and Output with PCM3003 Stereo Codec	310	(15)
F.1 PCM3003 Audio Daughter Card	310	(5)
F.2 Programming Examples Using the PCM3003 Stereo Codec	315	(10)
References	324	(1)
Appendix G DSP/BIOS and RTDX for Real-Time Data Transfer	325	(4)
References	327	(2)
Index	329