Implementation of Data Communication Using Parallel Ports with WinIo

doi:10.3969/j.issn.1006-2475.2009.08.014

Computer and Modernization ›› 2009, Vol. 8 ›› Issue (8): 49-53.doi: 10.3969/j.issn.1006-2475.2009.08.014

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Implementation of Data Communication Using Parallel Ports with WinIo

YUAN Jun¹,TAN Yong-dong¹,REN Jun²

1. School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China;2. Meteorological Office, 77516 Army in Tibet Military Area, Lasa 850000, China

Received:2008-08-26 Revised:1900-01-01 Online:2009-08-21 Published:2009-08-21

Abstract

Abstract: Because of security, the I/O ports can’t be accessed directly in Windows 2000/XP/ NT. To realize the communication between PC and peripheral equipments by parallel ports, this paper proposes an approach which circumvents Windows protection mechanisms using virtual X device provided by WinIo library. Based on the analyses of hardware principle and working modes of parallel ports, finally through interface experiment the process of operation, codes to realize communication in application program with functions in dynamic link libraries (DLL) are given.

Key words: parallel port, data communication, WinIo, PC, Windows 2000/XP/NT

CLC Number:

TP393

YUAN Jun;TAN Yong-dong;REN Jun. Implementation of Data Communication Using Parallel Ports with WinIo[J]. Computer and Modernization, 2009, 8(8): 49-53.

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