# generic_sensor.py >>> Ref: XYZircle.py

# generic_sensor.py >>> Ref: XYZircle.py

import appuifw
import sensor

def circle(x, y, r, color):
    r=abs(r)
    canvas.ellipse((x-r, y-r, x+r, y+r), fill=color)

xyz=(0,0,0)
def draw(rect):
    canvas.clear(0x000000)
    radius = (xyz[2]*-2)+120
    point_x = (-xyz[0]+60) * canvas.size[0] / 120
    point_y = (xyz[1]+60) * canvas.size[1] / 120
    circle(point_x,point_y,radius,(255,0,0))
    #canvas.text((20,40),'X:'+unicode(-xyz[0]),(255,255,255))
    #canvas.text((20,80),'Y:'+unicode(xyz[1]),(255,255,255))
    #canvas.text((20,120),'Z:'+unicode(xyz[2]),(255,255,255))
    #canvas.blit(img) <<< not required ???

def redraw():
    global xyz
    xyz=(sens.x,sens.y,sens.z)
    draw(canvas.size)

appuifw.app.orientation='portrait'
#appuifw.app.title=u'generic sensor'
appuifw.app.directional_pad=False
canvas=appuifw.Canvas(redraw_callback=draw)
appuifw.app.body=canvas
sens=sensor.AccelerometerXYZAxisData(data_filter=sensor.LowPassFilter())
sens.set_callback(data_callback=redraw)

### >>> Additional Python Code <<<

def forLight():
    appuifw.e32.reset_inactivity()
    timer.after(10,forLight)

def exit():
    app_lock.signal()
appuifw.app.exit_key_handler=exit

timer=appuifw.e32.Ao_timer()
sens.start_listening()
forLight()
app_lock=appuifw.e32.Ao_lock()
app_lock.wait()
sens.stop_listening()
timer.cancel()