73 lines
1.7 KiB
Python
73 lines
1.7 KiB
Python
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# SPDX-License-Identifier: LGPL-3.0-or-later
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# Copyright (C) 2020 Daniel Thompson
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"""Logo demo for PineTime
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~~~~~~~~~~~~~~~~~~~~~~~~~
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This demo is simply an alternating sweep of the Pine64 and
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MicroPython logos. It cycles through a variety of colours
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and swaps between the logos every 5 images (so if you change
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anything make sure len(colors) is not a multiple of 5).
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"""
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import wasp
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import logo
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import icons
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colors = (
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0xffff,
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0xf800, # red
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0xffff,
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0xffe0, # yellow
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0xffff,
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0x07e0, # green
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0xffff,
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0x07ff, # cyan
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0xffff,
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0x001f, # blue
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0xffff,
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0xf81f, # magenta
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)
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class DemoApp():
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"""Application for live demos.
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Start this to give the watch something "interesting" to do when talking
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over demos!
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"""
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NAME = 'Demo'
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ICON = icons.app
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def __init__(self):
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self._logo = logo.pine64
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self._color = 0
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self._i = 0
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def foreground(self):
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"""Draw the first frame and establish the tick."""
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self._draw()
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wasp.system.request_tick(2000)
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def tick(self, ticks):
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"""Handle the tick."""
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self._draw()
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wasp.system.keep_awake()
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def _draw(self):
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"""Draw the next frame."""
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draw = wasp.watch.drawable
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if self._i < 5:
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self._i += 1
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else:
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self._i = 0
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if self._logo == logo.pine64:
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self._logo = logo.micropython
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else:
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self._logo = logo.pine64
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draw.fill()
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draw.rleblit(self._logo, fg=colors[self._color])
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self._color += 1
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if self._color >= len(colors):
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self._color = 0
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