kopia lustrzana https://github.com/peterhinch/micropython-micro-gui
91 wiersze
2.9 KiB
Python
91 wiersze
2.9 KiB
Python
# aclock.py micro-gui analog clock demo.
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2021 Peter Hinch
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# Initialise hardware and framebuf before importing modules.
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import hardware_setup # Create a display instance
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from gui.core.ugui import Screen, ssd
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from gui.widgets.label import Label
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from gui.widgets.dial import Dial, Pointer
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from gui.widgets.buttons import CloseButton
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# Now import other modules
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from cmath import rect, pi
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import uasyncio as asyncio
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import time
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from gui.core.writer import CWriter
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# Font for CWriter
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import gui.fonts.arial10 as font
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from gui.core.colors import *
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# Adjust passed Dial and Label instances to show current time and date.
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async def aclock(dial, lbldate, lbltim):
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# Return a unit vector of phase phi. Multiplying by this will
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# rotate a vector anticlockwise which is mathematically correct.
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# Alas clocks, modelled on sundials, were invented in the northern
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# hemisphere. Otherwise they would have rotated widdershins like
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# the maths. Hence negative sign when called.
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def uv(phi):
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return rect(1, phi)
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def suffix(n):
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if n in (1, 21, 31):
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return 'st'
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if n in (2, 22):
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return 'nd'
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if n in (3, 23):
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return 'rd'
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return 'th'
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days = ('Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun')
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months = ('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul',
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'Aug', 'Sep', 'Oct', 'Nov', 'Dec')
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hrs = Pointer(dial)
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mins = Pointer(dial)
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secs = Pointer(dial)
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hstart = 0 + 0.7j # Pointer lengths. Will rotate relative to top.
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mstart = 0 + 1j
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sstart = 0 + 1j
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while True:
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t = time.localtime()
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hrs.value(hstart * uv(-t[3] * pi/6 - t[4] * pi / 360), CYAN)
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mins.value(mstart * uv(-t[4] * pi/30), CYAN)
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secs.value(sstart * uv(-t[5] * pi/30), RED)
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lbltim.value('{:02d}.{:02d}.{:02d}'.format(t[3], t[4], t[5]))
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lbldate.value('{} {}{} {} {}'.format(days[t[6]], t[2], suffix(t[2]), months[t[1] - 1], t[0]))
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await asyncio.sleep(1)
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class BaseScreen(Screen):
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def __init__(self):
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super().__init__()
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labels = {'bdcolor' : RED,
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'fgcolor' : WHITE,
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'bgcolor' : DARKGREEN,
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}
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wri = CWriter(ssd, font, GREEN, BLACK) # verbose = True
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dial = Dial(wri, 2, 2, height = 70, ticks = 12,
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fgcolor = GREEN, pip = GREEN)
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# Set up clock display: instantiate labels
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# Demo of relative positioning.
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gap = 4 # Vertical gap between widgets
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row = dial.mrow + gap
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lbldate = Label(wri, row, 2, 100, **labels)
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row = lbldate.mrow + gap
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lbltim = Label(wri, row, 2, '00.00.00', **labels)
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self.reg_task(aclock(dial, lbldate, lbltim))
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CloseButton(wri)
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def test():
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print('Analog clock demo.')
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Screen.change(BaseScreen)
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test()
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