serial port servo control

boyle5 at llnl.gov boyle5 at llnl.gov
Thu Jun 22 17:18:08 CEST 2006


So I ordered a mini SSC II (the servo controller), in order to
control some servos from the computer.  I was hoping to use python to
do the control but have two questions...

1) How should I write to the serial port with python? I found the
module "pyserial":
http://pyserial.sourceforge.net/
on the python cheeseshop, and it looks solid but I thought you might
have a better suggestion.

2) To control the servos I have to send the SSC II a string of 3
numbers, 3 bytes long (so 3 numbers in the range 0 - 255, each as a
single byte, one after another).  In C I'd do this by sending 3
char's, as they're only 1 byte, but i'm not exactly sure how to do it
in Python.




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