On your RS-485 question, i think that the generic RS-232 stuff should work
just fine for it, as is using the same UART as a high speed RS-232 uses.
The difference between the two types is in that RS-232 allows only one
device, whereas RS-485 allows up to 32 devices on a single pair of wires
(although you can use repeaters to extend this). On a project i am
currently working on, i am going to be using some RS-485 adaptors that
plug into the RS-232 port on a PC's motherboard to talk to sensors inside
a solar racing vehicle for real time telemetry.
I think that the standard functions in the rt_com package will work just
fine to communicate with such an adpator, since it does use the same UART
as a good RS-232 card does.
Good luck.
----------------------******-------------------
Steve Ball
NMT EE Department System and Network Admistrator
C/S 3392
Socorro, NM 87801
[EMAIL PROTECTED] http://www.ee.nmt.edu/~hamster
Work: (505) 835-5330 (Digital Lab)
Shop: (505) 835-5923 (Solar Racing Shop)
New Mexico Tech Psycho Caver Extraordinaire (http://www.nmt.edu/~nmtcaver)
The secret of flying is simple: Throw yourself at the ground and miss.
----------------------******-------------------
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