Serge NOEL
80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
# Connect JMRI turnouts to parallel port logic
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#
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# Author: Bob Jacobsen, copyright 2008
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# Part of the JMRI distribution
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#
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# Maps internal turnouts to specific values to be send to the
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# parallel port. Note that JMRI must be set up to have a valid
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# turnout table; if you're not using some other DCC connection,
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# configure JMRI to use LocoNet Simulator
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import jmri
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import java
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import java.beans
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name = "LPT1"
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#name = "/dev/cu.usbmodem3d11" # debug
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# find the port info and open the port
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import purejavacomm
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port = purejavacomm.CommPortIdentifier.getPortIdentifier(name)
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parallelPort = port.open("JMRI", 50)
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outputStream = parallelPort.getOutputStream()
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print "Port opened OK"
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# define a turnout listener that will
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# activate the parallel port as needed
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class ParallelDriver(java.beans.PropertyChangeListener):
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# initialization stores some values for later,
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# registers to receive events
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def __init__(self, id, value) :
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self.name = "IT"+str(id)
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self.closed = value # write this value to close
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self.thrown = value # write this value to throw
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turnout = turnouts.provideTurnout(self.name)
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turnout.addPropertyChangeListener(self)
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turnout.setCommandedState(CLOSED)
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return
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# on a property change event, first see if
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# right type, and then write appropriate
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# value to port based on new state
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def propertyChange(self, event):
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#print "change",event.propertyName
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#print "from", event.oldValue, "to", event.newValue
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#print "source systemName", event.source.systemName
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if (event.propertyName == "CommandedState") :
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if (event.newValue == CLOSED and event.oldValue != CLOSED) :
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print "set CLOSED for ", event.source.systemName
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outputStream.write(self.closed)
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if (event.newValue == THROWN and event.oldValue != THROWN) :
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print "set THROWN for ", event.source.systemName
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outputStream.write(self.thrown)
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return
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ParallelDriver(1,232)
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ParallelDriver(2,233)
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ParallelDriver(3,234)
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ParallelDriver(4,235)
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ParallelDriver(5,236)
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ParallelDriver(6,237)
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ParallelDriver(7,238)
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ParallelDriver(8,239)
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ParallelDriver(9,216)
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ParallelDriver(10,217)
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ParallelDriver(11,218)
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ParallelDriver(12,219)
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ParallelDriver(13,220)
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ParallelDriver(14,221)
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ParallelDriver(15,222)
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ParallelDriver(16,223)
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ParallelDriver(17,184)
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ParallelDriver(18,185)
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ParallelDriver(19,186)
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ParallelDriver(20,187)
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ParallelDriver(21,188)
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ParallelDriver(22,189)
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ParallelDriver(23,190)
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ParallelDriver(24,192)
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print "Initialization Complete"
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