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JIMRI/jython/TurntableDCC.py
T
2026-06-17 14:00:51 +02:00

101 lines
2.9 KiB
Python

# Script to operate a turntable via a DCC decoder
#
# The DCC address and speed are set near the top of the code, and should
# be modified to match your setup.
#
# Author: Bob Jacobsen, copyright 2009
# Part of the JMRI distribution
#
import java
import java.awt
import javax.swing
import jmri
class TurntableDCC(jmri.jmrit.automat.AbstractAutomaton) :
# init() is called exactly once at the beginning to do
# any necessary configuration.
def init(self):
# define address and speed
addr = 82
self.speed = 7./28.
self.status.text = "Getting throttle"
self.throttle = self.getThrottle(addr, False)
if (self.throttle == None) :
print "Couldn't assign throttle!"
self.status.text = "Ready"
return
# handle() will only execute once here, and doesn't do much
#
# Modify this to do your calculation.
def handle(self):
# and stop
return 0
# define what each button does when clicked
def startMoveForward(self,event) :
self.throttle.setIsForward(True)
self.throttle.speedSetting = self.speed
self.status.text = "Go fwd"
return
def startMoveReverse(self,event) :
self.throttle.setIsForward(False)
self.throttle.speedSetting = self.speed
self.status.text = "Go rev"
return
def endStopFR(self,event) :
self.throttle.speedSetting = 0.
self.status.text = "Stop"
return
# routine to show the panel, starting the whole process
def setup(self):
# create a frame to hold the button, set up for nice layout
f = javax.swing.JFrame("Crane Control") # argument is the frames title
f.contentPane.setLayout(javax.swing.BoxLayout(f.contentPane, javax.swing.BoxLayout.Y_AXIS))
# create the buttons
self.goFwdButton = javax.swing.JButton("Fwd")
self.goFwdButton.mousePressed = self.startMoveForward
self.stopButton = javax.swing.JButton("Stop")
self.stopButton.mousePressed = self.endStopFR
self.stopButton.mouseReleased = self.endStopFR
self.goRevButton = javax.swing.JButton("Rev")
self.goRevButton.mousePressed = self.startMoveReverse
# add the status field
self.status = javax.swing.JLabel("Ready to start")
# Put contents in frame and display
temppanel = javax.swing.JPanel()
temppanel.setLayout(java.awt.FlowLayout())
temppanel.add(self.goFwdButton)
temppanel.add(self.stopButton)
temppanel.add(self.goRevButton)
f.contentPane.add(temppanel)
f.contentPane.add(self.status)
f.pack()
f.show()
# get throttles
self.start()
return
# create one of these
a = TurntableDCC()
# set the name
a.setName("Turntable setup")
# and show the initial panel
a.setup()