kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
103 wiersze
3.1 KiB
Python
103 wiersze
3.1 KiB
Python
# color96.py Test/demo program for ssd1331 Adafruit 0.96" OLED display
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# https://www.adafruit.com/product/684
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# For wiring details see drivers/ADAFRUIT.md in this repo.
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2018-2020 Peter Hinch
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from ssd1351_setup import ssd # Create a display instance
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from gui.core.nanogui import Label, Meter, LED, refresh
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refresh(ssd)
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# Fonts
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import gui.fonts.arial10 as arial10
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from gui.core.writer import Writer, CWriter
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import utime
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import uos
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from gui.core.colors import *
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CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = CWriter(ssd, arial10, GREEN, BLACK, verbose=False)
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wri.set_clip(True, True, False)
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def meter():
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print('meter')
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refresh(ssd, True) # Clear any prior image
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m = Meter(wri, 5, 2, height = 45, divisions = 4, ptcolor=YELLOW,
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label='level', style=Meter.BAR, legends=('0.0', '0.5', '1.0'))
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l = LED(wri, 5, 40, bdcolor=YELLOW, label ='over')
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steps = 10
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for _ in range(steps):
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v = int.from_bytes(uos.urandom(3),'little')/16777216
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m.value(v)
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l.color(GREEN if v < 0.5 else RED)
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refresh(ssd)
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utime.sleep(1)
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refresh(ssd)
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def multi_fields(t):
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print('multi_fields')
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refresh(ssd, True) # Clear any prior image
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nfields = []
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dy = wri.height + 6
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y = 2
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col = 15
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width = wri.stringlen('99.99')
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for txt in ('X:', 'Y:', 'Z:'):
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Label(wri, y, 0, txt) # Use wri default colors
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nfields.append(Label(wri, y, col, width, bdcolor=None)) # Specify a border, color TBD
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y += dy
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end = utime.ticks_add(utime.ticks_ms(), t * 1000)
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while utime.ticks_diff(end, utime.ticks_ms()) > 0:
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for field in nfields:
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value = int.from_bytes(uos.urandom(3),'little')/167772
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overrange = None if value < 70 else YELLOW if value < 90 else RED
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field.value('{:5.2f}'.format(value), fgcolor = overrange, bdcolor = overrange)
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refresh(ssd)
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utime.sleep(1)
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Label(wri, 0, 64, ' OK ', True, fgcolor = RED)
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refresh(ssd)
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utime.sleep(1)
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def vari_fields():
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print('vari_fields')
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refresh(ssd, True) # Clear any prior image
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Label(wri, 0, 0, 'Text:')
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Label(wri, 20, 0, 'Border:')
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width = wri.stringlen('Yellow')
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lbl_text = Label(wri, 0, 40, width)
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lbl_bord = Label(wri, 20, 40, width)
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lbl_text.value('Red')
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lbl_bord.value('Red')
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lbl_var = Label(wri, 40, 2, '25.46', fgcolor=RED, bdcolor=RED)
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refresh(ssd)
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utime.sleep(2)
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lbl_text.value('Red')
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lbl_bord.value('Yellow')
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lbl_var.value(bdcolor=YELLOW)
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refresh(ssd)
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utime.sleep(2)
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lbl_text.value('Red')
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lbl_bord.value('None')
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lbl_var.value(bdcolor=False)
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refresh(ssd)
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utime.sleep(2)
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lbl_text.value('Yellow')
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lbl_bord.value('None')
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lbl_var.value(fgcolor=YELLOW)
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refresh(ssd)
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utime.sleep(2)
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lbl_text.value('Blue')
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lbl_bord.value('Green')
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lbl_var.value('18.99', fgcolor=BLUE, bdcolor=GREEN)
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refresh(ssd)
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print('Color display test is running.')
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meter()
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multi_fields(t = 10)
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vari_fields()
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print('Test complete.')
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