I have an application for a serial port and thought that someone may have
some ideas to get me started
I have an embedded linux system that communicates with a PC server over
Ethernet.
The embedded system will have 4 RS-485 Serial Ports and the low level
interrupt functions need to be modified to handle a token-passing protocol
and the RS-485 Tx/Rx functions.
My question is what file should I be modifying?
What and where are the low-level serial port interrupt transmit/receive
modules?
Thanks, and I'll appreciate any help I can get! Hopefully I will be able to
return the favor someday!
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