def __init__(self, buildDir="", motecom=None, tkRoot=None, comm=None):
#first, import all types, msgs, and enums from the nesc app
self.app = nescDecls.nescApp(buildDir, "Oscope")
#use the user's comm and tkroot, if they passed it in
if tkRoot == None:
self.tkRoot = Tk.Tk()
else:
self.tkRoot = tkRoot
if comm == None:
comm = Comm()
comm.connect(
motecom) #defaults to MOTECOM env variable if undefined
self.comm = comm
self.initializeGui()
#create a queue for receiving oscope messages and register it for messages
oscopeMsgQueue = MessageQueue(1)
self.comm.register(deepcopy(self.app.msgs.OscopeMsg), oscopeMsgQueue)
#start a thread to process the messages (make daemon so it dies when tk is killed)
msgThread = threading.Thread(target=self.processMessages,
args=(oscopeMsgQueue, ))
msgThread.setDaemon(True)
msgThread.start()
# start the GUI thread if we own it
if tkRoot == None:
self.tkRoot.mainloop()
print "Oscope.py exited normally"
def __init__(self, motecom=None, tkRoot=None, comm=None):
#use the user's tk root, if they passed it in
if tkRoot == None:
self.tkRoot = Tk.Tk()
else:
self.tkRoot = tkRoot
#use the user's comm, if they passed it in
if comm != None:
self.comm = comm
#if no comm passed, create one
else:
# connect using motecom first, then MOTECOM environment var
self.comm = Comm()
if motecom != None:
self.comm.connect(motecom)
elif "MOTECOM" in os.environ:
self.comm.connect(os.environ["MOTECOM"])
else:
sys.stderr.write("No serial port specified\n")
#register a listener for my message
self.comm.register(tinyos.oscope.OscopeMsg(), self)
# start/stop state
self.started = False
# create the frame where all the widgets will go
self.frame = Tk.Frame(self.tkRoot)
self.frame.pack()
# create the matplotlib figure for displaying the oscope msg payload
#self.fig = Figure()
#self.axes = self.fig.add_subplot(111)
self.fig = figure()
self.axes = subplot(111)
self.axes.plot([0], [0], 'b')
#we create a line that holds sensor data
#so that we can update it later
self.line, = self.axes.lines
self.line.set_data([], [])
#remember the current axis limits
self.xlim = self.axes.get_xlim()
self.ylim = self.axes.get_ylim()
# start/stop button
self.startButton = Tk.Button(self.frame,
text="start",
command=self.toggleStart)
self.startButton.pack(side=Tk.LEFT)
# reset button
self.resetButton = Tk.Button(self.frame,
text="reset",
command=self.reset)
self.resetButton.pack(side=Tk.LEFT)
#container object for the figure instance
self.canvas = FigureCanvasTkAgg(self.fig, master=self.tkRoot)
self.canvas.show()
self.canvas.get_tk_widget().pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)
self.toolbar = NavigationToolbar2TkAgg(self.canvas, self.tkRoot)
self.toolbar.update()
self.canvas._tkcanvas.pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)
# start the GUI if I created it
if tkRoot == None:
self.tkRoot.mainloop()
