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import wasp
class FlashlightApp(object):
"""Trivial flashlight application.
Shows a pure white screen with the backlight set to maximum.
"""
def __init__(self):
self.backlight = None
def foreground(self, effect=None):
"""Activate the application."""
self.on_screen = ( -1, -1, -1, -1, -1, -1 )
self.draw(effect)
wasp.system.request_tick(1000)
def background(self):
"""De-activate the application (without losing state)."""
pass
def sleep(self):
return False
def tick(self, ticks):
pass
def draw(self, effect=None):
"""Redraw the display from scratch."""
display = wasp.watch.display
display.fill(0xffff)
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