We are embarking upon a port of several existing capabilities hosted on
legacy H/W and OSes to an Intel Pentium PCI-bus based realtime Linux
platform. So the search for I/Fs with some level of existing (realtime)
Linux support begins. We will need:
4 RS-232 I/Fs
8 16-bit parrallel (used uni-directionally)
2 8-bit parrallel (used uni-directionally)
We are free to select whatever motherboard and I/Fs required. Only some
of the serial I/Fs and 16-bit parrallel I/Fs need realtime response.
One thought has been to have duplicate boards of each I/F type, one
controlled by standard Linux and one controlled by realtime S/W. Our
application is more noteworthy for the number of devices to which it
interfaces, and not the I/O or number crunching throughput.
Are there any thoughts about preferred equipment choices for the above?
Of course, we would like existing (realtime) support as much as possible
:)
Thanks,
Russ Swatek
Raytheon Range System Engineering
Kwajalein Atoll, Marshall Islands
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For more information on Real-Time Linux see:
http://www.rtlinux.org/rtlinux/
