2020-11-05 10:10:21 +00:00
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# alevel.py Test/demo "spirit level" program.
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# Requires Pyboard for accelerometer.
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# Tested with Adafruit ssd1351 OLED display.
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2018-08-29 17:16:13 +00:00
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2020-11-03 16:22:08 +00:00
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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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2018-08-29 17:16:13 +00:00
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2020-11-05 10:10:21 +00:00
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# Initialise hardware and framebuf before importing modules.
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from color_setup import ssd # Create a display instance
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2020-11-03 16:22:08 +00:00
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2020-11-03 18:43:24 +00:00
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from gui.core.nanogui import refresh
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from gui.widgets.dial import Dial, Pointer
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2018-08-29 17:16:13 +00:00
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refresh(ssd) # Initialise and clear display.
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# Now import other modules
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import utime
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import pyb
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2020-11-03 16:22:08 +00:00
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from gui.core.writer import CWriter
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import gui.fonts.arial10 as arial10
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from gui.core.colors import *
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2018-08-29 17:16:13 +00:00
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def main():
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print('alevel test is running.')
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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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acc = pyb.Accel()
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dial = Dial(wri, 5, 5, height = 75, ticks = 12, bdcolor=None,
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label='Tilt Pyboard', style = Dial.COMPASS, pip=YELLOW) # Border in fg color
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ptr = Pointer(dial)
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scale = 1/40
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while True:
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x, y, z = acc.filtered_xyz()
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# Depending on relative alignment of display and Pyboard this line may
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# need changing: swap x and y or change signs so arrow points in direction
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# board is tilted.
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ptr.value(-y*scale + 1j*x*scale, YELLOW)
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refresh(ssd)
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utime.sleep_ms(200)
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main()
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