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max485
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macroasm
Thu Jul 02 2009, 03:36PM
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hi.I am using at89c51,52,55. I need rs485 protocol. I want rs485.c or rs485.h . tanks.


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Ajay Bhargav
Fri Jul 03 2009, 05:34AM
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there is nothing like RS485.c ready made..

use Max485 and connect your controllers together. send something on RS232/uart all controllers connected online will receive it.

make a protocol yourself like
[Start byte][address][data][endbyte]

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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems