Hello,
I noticed that a couple of other people may have had the same problem as I
do when I installed rtlinux. I installed rtlinux 2.2, and recieved the same
'unresolved symbols' as some of the other people when rebooting with rtlinux
and testing the examples. I'm pretty sure that the reason is that I don't
have the rtlinux modules installed. I was wondering if I could ask a stupid
question? How do I install them? are those the last make; make install
steps? After doing this, should I be able to see the modules with
/sbin/lsmod? I did this, and saw nothing. could I be issuing these
commands from the wrong directory (i did it in /usr/src/linux after making
the symbolic link)? one set of instructions (for version 2.0) specifies a
directory that does not exist on my machine.
Anyhow, what I was planning to use rtlinux for was a servo motor controller.
I was thinking that I could use the scheduler to periodically (say every 100
or 200 uS) read the position of the motor (from a quadrature counter),
calculate the PID loop, and output the value to a DAC. I would think that a
modern machine could handle several axes, and would be WAY cheaper than a
modern motion controller.
Thanks in advance for any help.
Garrett Beaubien.
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