Serge NOEL
62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
# --- loco B pull over to wait ------
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# When loco is at the start of the loop and the siding ahead is clear,
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# sometimes pull into it and throw the turnouts for a pass
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import jarray
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import java
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class PullOver(jmri.jmrit.automat.Siglet):
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# to1 is the turnout on the siding entry
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# to2 is the turnout on the siding exit
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# block is the incoming train
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# watch is the list of sensors to check for empty
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# sensor is the sensor that says we've pulled in
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def defineIO(self):
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self.setInputs(jarray.array([self.block], jmri.NamedBean))
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return
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def setOutput(self):
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# start because the block is occupied
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if self.block.state != jmri.Block.OCCUPIED : return
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# check all clear ahead
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for x in self.watch :
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if x.state!=INACTIVE : return
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# OK, could do this, but should we this time?
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if java.lang.Math.random() > 0.33 : return # 1/3 chance to proceed
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# Proceed: start by setting TOs
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print "Setting up a pass at "+self.to2.systemName
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self.to1.commandedState = THROWN
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self.to2.commandedState = CLOSED
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# wait for the train to make it into the siding
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self.waitSensorActive(self.sensor)
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# and throw TO behind
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self.to1.commandedState = CLOSED
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# done
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return
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s = PullOver()
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s.to1 = turnouts.getTurnout("LT200")
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s.to2 = turnouts.getTurnout("LT201")
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s.block = IB156 # start of loop
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s.watch = [
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sensors.getSensor("LS157"),
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sensors.getSensor("LS162"),
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sensors.getSensor("LS159"),
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sensors.getSensor("LS161"),
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]
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s.sensor = sensors.getSensor("LS161")
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s.start()
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s = PullOver()
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s.to1 = turnouts.getTurnout("LT203")
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s.to2 = turnouts.getTurnout("LT202")
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s.block = IB150 # start of loop
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s.watch = [
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sensors.getSensor("LS151"),
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sensors.getSensor("LS165"),
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sensors.getSensor("LS153"),
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sensors.getSensor("LS155"),
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]
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s.sensor = sensors.getSensor("LS155")
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s.start()
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