import joystick as jk

import numpy as np

import time

class test(jk.Joystick):

# initialize the infinite loop decorator

_infinite_loop = jk.deco_infinite_loop()

def _init(self, *args, **kwargs):

"""

Function called at initialization, see the doc

"""

self._t0 = time.time() # initialize time

self.xdata = np.array([self._t0]) # time x-axis

self.ydata = np.array([0.0]) # fake data y-axis

# create a graph frame

self.mygraph = self.add_frame(jk.Graph(name="test", size=(500, 500), pos=(50, 50), fmt="go-", xnpts=10000, xnptsmax=10000, xylim=(None, None, 0, 1)))

@_infinite_loop(wait_time=0.2)

def _generate_data(self): # function looped every 0.2 second to read or produce data

"""

Loop starting with the simulation start, getting data and

pushing it to the graph every 0.2 seconds

"""

# concatenate data on the time x-axis

self.xdata = jk.core.add_datapoint(self.xdata, time.time(), xnptsmax=self.mygraph.xnptsmax)

# concatenate data on the fake data y-axis

self.ydata = jk.core.add_datapoint(self.ydata, np.random.random(), xnptsmax=self.mygraph.xnptsmax)

self.mygraph.set_xydata(t, self.ydata)

t = test()

t.start()

t.stop()