Serge NOEL
100 lines
2.9 KiB
Python
100 lines
2.9 KiB
Python
# define start, stop operations
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def setturnout(sensor, turnout, msg) :
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if sensors.getSensor(sensor).state == INACTIVE :
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turnouts.getTurnout(turnout).state = CLOSED
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else :
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warn().display(msg)
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return False
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return True
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def setturnouts() :
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return (
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setturnout("LS162", "LT200", "Move train off of front-left turnout") and
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setturnout("LS163", "LT201", "Move train off of front-right turnout") and
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setturnout("LS164", "LT202", "Move train off of back-left turnout") and
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setturnout("LS165", "LT203", "Move train off of back-right turnout")
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)
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def setblocks() :
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# train A
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if sensors.getSensor(initSensorA).state == ACTIVE :
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initBlockA.setValue(throttleA)
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else :
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warn().display("Put the "+nameA+" locomotive in its start location")
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return False
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# train B
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if sensors.getSensor(initSensorB).state == ACTIVE :
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initBlockB.setValue(throttleB)
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else :
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warn().display("Put the "+nameB+" locomotive in its start location")
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return False
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# check other sensors
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tempsensors = tracksensors[:]
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tempsensors.remove(initSensorA)
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tempsensors.remove(initSensorB)
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for x in tempsensors :
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if sensors.getSensor(x).state == ACTIVE :
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warn().display("Track sensor "+sensors.getSensor(x).systemName+" is active and shouldn't be")
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return False
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return True
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def start() :
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print "Attempt to start layout"
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# set turnouts if possible
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if not setturnouts() :
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# here if failed
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print "Turnouts are not OK"
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startstopsensor.setState(INACTIVE)
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return False # end of processing
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print "Turnouts set OK"
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# check occupancy & starting locations
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if not setblocks() :
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# here if failed
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print "Locomotives are not in starting positions"
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startstopsensor.setState(INACTIVE)
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return False # end of processing
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print "Locomotives set OK"
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# step blocks to restart
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for b in stopblocks :
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b.setSpeeds(slow, fast)
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# set initial speed, direction, functions
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if throttleA != None :
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throttleA.setIsForward(True)
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throttleA.setSpeedSetting(fast)
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throttleA.setF0(True)
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if throttleB != None :
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throttleB.setIsForward(True)
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throttleB.setSpeedSetting(fast)
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throttleB.setF0(True)
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# done, auto running should be happening
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return True
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def stop() :
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print "Stopping"
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# set speeds to zero, sounds off
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if throttleA != None :
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throttleA.setSpeedSetting(0)
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throttleA.setF1(False)
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throttleA.setF2(False)
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if throttleB != None :
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throttleB.setSpeedSetting(0)
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throttleB.setF1(False)
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throttleB.setF2(False)
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# step blocks to not restart
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for b in stopblocks :
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b.setSpeeds(0, 0)
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return True
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