ACCESS.bus Controller (Pascal)

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ACCESS.bus Controller (Pascal)

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ACCESS.bus Controller (Pascal)
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File name:	ACCESSPC.ZIP
Product homepage:	Unknown
Order page:	Unknown
Languages:	Pascal
Platforms:
Release Date:	1 January, 1900
Licence Type:	Unknown
Size:	6955 bytes
Price/fee (US$):	Unknown
Number of downloads:	3297

User Comments

Not bad for a rush job.
by Robert Clemens , Albuquerque NM, on Friday Nov 30, 2001

Well it's 2001 and I found code that I had written 8 years ago on this site, thought it could use a bit of an explanation at least. Basically this code was used to control a Philips PCF8584 i2c-bus controller on a ISA interface card for the PC(design still available) in a DOS environment (remember DOS...). It basically just monitors bus messages and configures ACCESS.bus devices on power up and hot-plugging. The timer routine is where the ACCESS.bus configeration process is handled. The rest of the stuff handles interrupts, user input, message display, etc, the usual stuff. Since 1993, it's been ported to C to run in embedded linux platforms to replace RS485 multi- drop solutions. Very cool, it actually works. There are working systems in the field. A companion design is a ACCESS.bus to RS232/485 convertor based on a 87654 microcontroller. I think it's to bad that USB took away the main reason that A.b was created, the ability to daisy chain devices without having to use hubs, etc, blame the idiot from Compaq. There's more to the story but not enough room here to say it. If anyone wants to know more, email me. Robert Clemens rwclemens@home.com (or if Excite actualy pulls the plug) rwcx@yahoo.com p.s. I forgot to mention that I was part of the team at DEC that developed ACCESS.bus
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