>That's pretty slick.
You could also automtically detect hardware and substitute simulated
components if real hardware is not available, for example
if: parport 0 exists, use it
else: use sim_parport
Example haltcl excerpt:
#-------------------------------------------------------------
if [catch {loadrt hal_parport "cfg=0 in"} msg] {
puts msg="\n$msg\n"
puts "\nNo parport available, trying sim_parport"
loadrt sim_parport names=parport.0
set text "\n************Using sim_parport************\n"
} else {
set text "\n************Found real parport 0 ********\n"
}
puts [show pin parport*]
puts "$text"
#-------------------------------------------------------------
Note: The sim_parport hal component exists in the LinuxCNC
distribution, other hardware could require new hal sim
components or just some custom hal connections to take
the place of unavailable hardware for testing.
--
Dewey Garrett
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