Embedded Shruti
Thesis submitted in partial fulfillment of the requirements for the degree of
Bachelor of Technology (Honors)
in
Department of Computer Science and Engineering
by
Debasish Das [00CS1004]
Under the guidance
of
Professor Anupam Basu
and
Professor Arobinda Gupta
Department of Computer Science and Engineering,
INDIAN INSTITUTE OF TECHNOLOGY,
Kharagpur 721302
India
Date:
CERTIFICATE
This is to certify that the thesis entitled “Embedded Shruti”, submitted by
Debasish Das (Roll no. 00CS1004) an undergraduate student of
Department of Computer Science and Engineering, Indian Institute of
Technology, Kharagpur, in the partial fulfillments of the requirements for
the award of degree of Bachelor in Technology, is a bonafide record of
work carried out ably by him under my supervision and guidance.
Dr. Anupam Basu
Department of
Computer Science and Engineering
Dr. Arobinda Gupta
Department of
Computer Science and Engineering
Acknowledgement
I am very thankful to Dr. Anupam Basu and Dr. Arobinda Gupta for giving
me the opportunity to work under their guidance.
I take this opportunity to express my deep sense of gratitude to Dr. Anupam
Basu for his invaluable guidance in the course of my project and moral support
extended to me in matters of subject .He helped me a lot in the aspect of my work
and for successful completion of this endeavor.
I take this opportunity to convey my special thanks to Dr. Arobinda Gupta for
allowing me to work under his valuable guidance and providing useful suggestions.
Above all, I express my thanks to my parents for being a source of
encouragement, confidence and inspiration for building up my educational career.
Lastly but not the least, I am thankful to all members of Department of
Computer Science and Engineering and my batch mates for their encouragement
and support.
Debasish Das
00CS1004
TABLE OF CONTENTS
Title
Page no._
1. Objective
1
2. Introduction
2
2.1 Windows CE Overview
2.1.1 Important features of Windows CE 3.0
2.1.2 Using Platform Builder
2.1.2.1 Designing Operating System elements
2.1.2.2 Thin Client Example
2.1.2.8 Thin Client example revisited
2.1.3 Using Standard SDK
2.2 Pocket-PC SDK (Software Development Kit)
2.3 Microsoft eMbedded Visual C++
2.3.7 MFC for Windows CE
2.4 Microsoft SQL server CE
2.4.3 Drawbacks of SQL server (Windows CE version)
2.5 GNU Database Manager (popularly called GDBM)
3
3
7
8
10
18
21
21
24
31
32
36
36
3. Shruti: Desktop version
44
3.1 Features of Shruti
3.2 Overview of Shruti
3.3 Technologies used
3.4 Comparisons
46
46
47
48
4. Embedded Shruti
50
4.1 Model 1: Windows CE crude port
4.1.1 Drawbacks
4.2 Model 2: Windows CE port using GDBM (Without voice.db)
4.2.1 Extendible hashing
4.2.2 Extending hash tables
4.2.3 Using GDBMCE library
4.2.4 Advantages
4.2.5 Drawbacks
4.3 Model 3: Windows CE port using GDBM (With voice.db)
50
64
65
66
67
69
72
72
73
Title
Page no._
4.3.1 Making voice database
4.3.2 Making tokens database
4.3.3 Producing the output sound file
4.3.4 Advantages
4.3.5 Drawbacks
4.4 Model 4: Final Windows CE port
4.4.1 Approach
4.4.2 Dataflow Model
74
77
78
79
79
80
80
81
5. Performance comparison
82
5.1 Performance Parameters
5.2 Simulations on test inputs
5.2.1 Model 1
5.2.2 Model 2
5.2.3 Model 3
5.3 Comparison of performance
82
82
82
84
84
84
6 Conclusions
86
7 Future work
87
8 Software screenshots
88
8.1 Hindianalyser module on Standard SDK emulator (First port)
8.2 Model 1 on Pocket-PC Emulator
8.2.1 Hindianalyser module execution
8.2.2 Hindiengine Module execution
8.3 Model 3 on Pocket-PC emulator
8.3.1 Hindianalyser module execution
8.3.2 Hindiengine Module execution
88
89
89
89
91
91
91
9 References
93.