Serge NOEL
83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
# This is an example script for a JMRI "Automat" in Python
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# It is based on the AutomatonExample.
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#
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# It runs a locomotive back and forth using time delays.
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#
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# Times are in milliseconds
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#
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# Author: Bob Jacobsen, July 2008
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# Based on BackAndForth.py
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# Author: Howard Watkins, January 2007
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# Part of the JMRI distribution
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import jarray
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import jmri
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class BackAndForthTimed(jmri.jmrit.automat.AbstractAutomaton) :
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def init(self):
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# init() is called exactly once at the beginning to do
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# any necessary configuration.
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print "Inside init(self)"
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# get loco address. For long address change "False" to "True"
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self.throttle = self.getThrottle(14, False) # short address 14
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return
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def handle(self):
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# handle() is called repeatedly until it returns false.
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print "Inside handle(self)"
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# set loco to forward
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print "Set Loco Forward"
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self.throttle.setIsForward(True)
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# wait 1 second for engine to be stopped, then set speed
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self.waitMsec(1000)
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print "Set Speed"
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self.throttle.setSpeedSetting(0.7)
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# wait for run time in forward direction
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print "Wait for forward time"
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self.waitMsec(10000)
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# stop the engine
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print "Set Speed Stop"
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self.throttle.setSpeedSetting(0)
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# delay for a time (remember loco could still be moving
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# due to simulated or actual inertia).
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print "wait 3 seconds"
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self.waitMsec(3000)
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# set direction to reverse, set speed
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print "Set Loco Reverse"
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self.throttle.setIsForward(False)
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self.waitMsec(1000) # wait 1 second for Xpressnet to catch up
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print "Set Speed"
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self.throttle.setSpeedSetting(0.7)
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# wait for run time in reverse direction
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print "Wait for reverse time"
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self.waitMsec(10000)
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print "Set Speed Stop"
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self.throttle.setSpeedSetting(0)
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# delay for a time (remember loco could still be moving
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# due to simulated or actual inertia). Time is in milliseconds
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print "wait 3 seconds"
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self.waitMsec(3000)
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# and continue around again
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print "End of Loop"
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return 1
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# (requires JMRI to be terminated to stop - caution
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# doing so could leave loco running if not careful)
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# end of class definition
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# start one of these up
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BackAndForthTimed().start()
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