Serge NOEL
60 lines
2.5 KiB
Python
60 lines
2.5 KiB
Python
# Map a sensor state to a specified Function on a specified loco address
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#
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# used at MWOT to let visitors control the horn and lights on locos, via fascia buttons
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#
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# Author: Steve Todd, copyright 2014
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# Part of the JMRI distribution
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#
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import jmri
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import java
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import java.beans
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from org.slf4j import LoggerFactory
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# Define one sensor listener.
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class ThrottleFunctionForSensorListener(java.beans.PropertyChangeListener):
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throttle = None #make a spot to remember the throttle object that was passed in
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fnKey = None
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def setup(self, sensor, throttle, fnKey) :
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if (sensor == None) : return
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self.throttle = throttle #store for use later
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self.fnKey = fnKey #store for use later
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sensors.provideSensor(sensor).addPropertyChangeListener(self)
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return
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def propertyChange(self, event):
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funcName = "set" + self.fnKey #dynamically determine name for setFxx function to call
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func = getattr(self.throttle, funcName)
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if (event.newValue == ACTIVE) :
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logger.debug("set "+self.fnKey+" ON for " + str(self.throttle.getLocoAddress()))
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func(True) #turn on function when sensor goes high
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else :
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logger.debug("set "+self.fnKey+" OFF for " + str(self.throttle.getLocoAddress()))
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func(False) #turn off function when sensor goes low
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return
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class Automaton(jmri.jmrit.automat.AbstractAutomaton) :
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#perform actions that need to be in a thread, such as loco acquisition
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def init(self):
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# logger.debug("Inside Automaton.init("+self.sensorName+","+str(self.throttleAddress)+","+self.fnKeyName+")")
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self.throttle = self.getThrottle(self.throttleAddress, True)
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# actually attach the sensor to the loco
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ThrottleFunctionForSensorListener().setup(self.sensorName, self.throttle, self.fnKeyName)
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return
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#pass and store needed values for this instance, then start the thread
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def setup(self, sensorName, throttleAddress, fnKeyName):
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self.sensorName = sensorName
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self.throttleAddress = throttleAddress
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self.fnKeyName = fnKeyName
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self.start()
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self.waitMsec(500) #give it a chance to happen
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####################################################################
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logger = LoggerFactory.getLogger("jmri.jmrit.jython.exec.ThrottleFunctionForSensor")
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#connect each sensor to its loco and function, repeat as needed
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Automaton().setup("LS1003", 909, "F1") #horn for address 909
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Automaton().setup("LS1004", 909, "F0") #lights for same loco
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