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© IRL Press at Oxford University Press

Communication between the PC and laboratory instruments

M. F. Petrini 1,*, T. M. Dwyer 2, M. A. Wall 3, J. K. Mansel 1 and J. R. Norman 1

1Department of Medicine, University of Mississippi Medical Center 2500 North State Street. Jackson. MS 39216-4505. USA
2Department of Physiology and Biophysics and University of Mississippi Medical Center 2500 North State Street. Jackson. MS 39216-4505.USA
3Respiratory Therapy, University of Mississippi Medical Center 2500 North State Street. Jackson. MS 39216-4505. USA

*To whom reprint requests should be sent

In this paper we describe communications between a personal computer and any instrument with a serial port for the purpose of collecting data or controlling equipment and a program for performing this task. From a user-defined file, the software reads the communication parameters: baud rate, data bits, stop bits and partiy. The communication protocol is also read: echo, acknowledge and end-of-transmission characters. The software can be used to determine the protocol, to check the integrity of the communications, and can form the basis of a program for more specific applications.


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