Initial commit

doc/experiment_tk.py

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+# Copyright 2014 Modelling, Simulation and Design Lab (MSDL) at 
+# McGill University and the University of Antwerp (http://msdl.cs.mcgill.ca/)
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from pypdevs.simulator import Simulator
+
+from Tkinter import *
+from trafficLightModel import *
+
+isBlinking = None
+
+model = TrafficLight(name="trafficLight")
+refs = {"INTERRUPT": model.INTERRUPT}
+root = Tk()
+
+sim = Simulator(model)
+sim.setRealTime(True)
+sim.setRealTimeInputFile(None)
+sim.setRealTimePorts(refs)
+sim.setVerbose(None)
+sim.setRealTimePlatformTk(root)
+
+def toManual():
+    global isBlinking
+    isBlinking = False
+    sim.realtime_interrupt("INTERRUPT toManual")
+
+def toAutonomous():
+    global isBlinking
+    isBlinking = None
+    sim.realtime_interrupt("INTERRUPT toAutonomous")
+
+size = 50
+xbase = 10
+ybase = 10
+
+frame = Frame(root)
+canvas = Canvas(frame)
+canvas.create_oval(xbase, ybase, xbase+size, ybase+size, fill="black", tags="red_light")
+canvas.create_oval(xbase, ybase+size, xbase+size, ybase+2*size, fill="black", tags="yellow_light")
+canvas.create_oval(xbase, ybase+2*size, xbase+size, ybase+3*size, fill="black", tags="green_light")
+canvas.pack()
+frame.pack()
+
+def updateLights():
+    state = model.state.get()
+    if state == "red":
+        canvas.itemconfig("red_light", fill="red")
+        canvas.itemconfig("yellow_light", fill="black")
+        canvas.itemconfig("green_light", fill="black")
+    elif state == "yellow":
+        canvas.itemconfig("red_light", fill="black")
+        canvas.itemconfig("yellow_light", fill="yellow")
+        canvas.itemconfig("green_light", fill="black")
+    elif state == "green":
+        canvas.itemconfig("red_light", fill="black")
+        canvas.itemconfig("yellow_light", fill="black")
+        canvas.itemconfig("green_light", fill="green")
+    elif state == "manual":
+        canvas.itemconfig("red_light", fill="black")
+        global isBlinking
+        if isBlinking:
+            canvas.itemconfig("yellow_light", fill="yellow")
+            isBlinking = False
+        else:
+            canvas.itemconfig("yellow_light", fill="black")
+            isBlinking = True
+        canvas.itemconfig("green_light", fill="black")
+    root.after(500,  updateLights)
+
+b = Button(root, text="toManual", command=toManual)
+b.pack()
+c = Button(root, text="toAutonomous", command=toAutonomous)
+c.pack()
+
+root.after(100, updateLights)
+
+sim.simulate()
+root.mainloop()