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Interfacing to I/O boards
- To: email@example.com
- Subject: Interfacing to I/O boards
- From: John Doleac <firstname.lastname@example.org>
- Date: Wed, 12 Aug 1992 15:19-0400
I am using GW's MacADIOS I/O board to interface to sensors and
motors which are part of a control algorithm testbed. I want to
call C functions compiled using Symantec's Think C development
system. These C functions are used to get data from sensors and
to give commands to motors.
The manual tells how to use foreign function calls for code
compiled by MPW. This does not work for Think C. Can anyone
recommend a way to overcome this problem?
I asked this question at MacWorld last week in Boston. No one in
the Apple booth knew much about LISP nor could they provide
any recommendations for hardware interfaces for this kind of
application. The most consistent recommendation I got for
interfacing to sensors and motors from a mac was to use a
serial connection to a PC outfitted with a good I/O board. The
PC could be used as a co-processor.
If using a serial connection to a PC is a good solution, can
anyone recommend examples of protocols I can use?
-- John Doleac
GTE Laboratories, Incorporated