James Newton email (remove spam text)
Does anyone have any RS485 code they would be willing to share? The archive
seems to be a bit bare. There is only one code sample since the beginning of
the list in December of 1993.
Is it true RS232 and RS485 are both just signal specifications? They both
use standard async serial protocols? I know that the practical differences
of 232 vs 485 are:
- single-ended versus differential
- sender-receiver only versus multidrop possible
but doesn't RS485 typically use a 9bit address byte protocol for multidrop
I have a few references:
'The Art and Science of RS-485'
"Controlling the Transmit Enable Line on RS-485 Transceivers" Aug'99
Embedded Systems Programming
But no book recommendations.
Any information appreciated. I'm trying to fill out the page at
James Newton, PICList Admin #3
----- Original Message -----
From: Kyodo Comunicaciones <infonegocio.com> kyodolab
To: <piclist.com> jamesnewton
Sent: Friday, February 23, 2001 10:45
Subject: Form posted from Mozilla
desc=RS-485 serial communications software
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