A general-purpose development kit for optical storage system design

Cheng-Hung Chen; Jia-Yush Yen; Chung-Yin Huang; Feng-Hsiang Lo

doi:10.1117/12.575918

3 January 2005 A general-purpose development kit for optical storage system design

Cheng-Hung Chen, Jia-Yush Yen, Chung-Yin Huang, Feng-Hsiang Lo

Proceedings Volume 5643, Advances in Optical Data Storage Technology; (2005) https://doi.org/10.1117/12.575918
Event: Photonics Asia, 2004, Beijing, China

Abstract

Optical Disk Drives (ODD) uses chipsets to implement the various functions required in its operation. The chipsets always have fixed algorithm that make it impossible for the researches to carry out any experiments on newly developed algorithms. To overcome this difficulty, this study has constructed a test platform for the ODD experiments. This platform solution allows for software implementation of all the necessary functions in the CD/DVD system. The researchers can easily alter the software to change the existing functions of to implement new functions for different applications. The hardware of this development system is mainly composed of MSC-51, FPGA, DSK, AD/DA module, and an analog mother board. The MSC-51 is responsible for applying commands and setting functions, and it plays a role of master in the system. The TI DSK 6711, served as a slave, is responsible for implementing new algorithms and focus is mostly focused on servo control. The FPGA is responsible for handshaking among the DSK, the MSC-51, and the AD/DA module board; it also provides the register banks for the MSC-51 and the DSK. The purpose of the AD/DA module board is to establish communication link to the physical world. There are two A/D chips of eight channels and four D/A chips of four channels on the AD/DA module board. There are also a pre-amp chip and a driver on the analog mother board to amplify the signal on the ODD and to drive a DC motor. Users only have to change the pre-amp and ODD for different type of ODD.

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Cheng-Hung Chen, Jia-Yush Yen, Chung-Yin Huang, and Feng-Hsiang Lo "A general-purpose development kit for optical storage system design", Proc. SPIE 5643, Advances in Optical Data Storage Technology, (3 January 2005); https://doi.org/10.1117/12.575918

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KEYWORDS

Digital signal processing

Field programmable gate arrays

Servomechanisms

Analog electronics

Actuators

Signal processing

Control systems

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