68 lines
2 KiB
Python
68 lines
2 KiB
Python
import fonts.clock as digits
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import widgets
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from draw565 import Draw565
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DIGITS = (
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digits.clock_0,
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digits.clock_1,
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digits.clock_2,
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digits.clock_3,
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digits.clock_4,
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digits.clock_5,
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digits.clock_6,
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digits.clock_7,
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digits.clock_8,
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digits.clock_9
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)
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MONTH = 'JanFebMarAprMayJunJulAugSepOctNovDec'
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class ClockApp(object):
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"""Simple digital clock application.
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Shows a time (as HH:MM) together with a battery meter and the date.
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"""
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def __init__(self):
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self.on_screen = ( -1, -1, -1, -1, -1, -1 )
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self.meter = widgets.BatteryMeter()
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def draw(self, watch):
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"""Redraw the display from scratch."""
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display = watch.display
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display.fill(0)
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display.rleblit(digits.clock_colon, pos=(2*48, 80), fg=0xb5b6)
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self.on_screen = ( -1, -1, -1, -1, -1, -1 )
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self.update(watch)
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self.meter.draw()
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def update(self, watch):
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"""Update the display (if needed).
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The updates are a lazy as possible and rely on an prior call to
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draw() to ensure the screen is suitably prepared.
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"""
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now = watch.rtc.get_localtime()
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if now[3] == self.on_screen[3] and now[4] == self.on_screen[4]:
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if now[5] != self.on_screen[5]:
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self.meter.update()
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self.on_screen = now
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return False
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display = watch.display
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display.rleblit(DIGITS[now[4] % 10], pos=(4*48, 80))
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display.rleblit(DIGITS[now[4] // 10], pos=(3*48, 80), fg=0xbdb6)
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display.rleblit(DIGITS[now[3] % 10], pos=(1*48, 80))
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display.rleblit(DIGITS[now[3] // 10], pos=(0*48, 80), fg=0xbdb6)
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self.on_screen = now
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draw = Draw565(display)
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month = now[1] - 1
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month = MONTH[month*3:(month+1)*3]
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draw.string('{} {} {}'.format(now[2], month, now[0]),
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0, 180, width=240)
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self.meter.update()
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return True
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