kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
118 wiersze
3.5 KiB
Python
118 wiersze
3.5 KiB
Python
# mono_test.py Demo program for nano_gui on an SSD1306 OLED display.
|
|
|
|
# Released under the MIT License (MIT). See LICENSE.
|
|
# Copyright (c) 2018-2021 Peter Hinch
|
|
|
|
# https://learn.adafruit.com/monochrome-oled-breakouts/wiring-128x32-spi-oled-display
|
|
# https://www.proto-pic.co.uk/monochrome-128x32-oled-graphic-display.html
|
|
|
|
# V0.33 16th Jan 2021 Hardware configuration is now defined in color_setup to be
|
|
# consistent with other displays.
|
|
# V0.32 5th Nov 2020 Replace uos.urandom for minimal ports
|
|
|
|
import utime
|
|
# import uos
|
|
from color_setup import ssd
|
|
# On a monochrome display Writer is more efficient than CWriter.
|
|
from gui.core.writer import Writer
|
|
from gui.core.nanogui import refresh
|
|
from gui.widgets.meter import Meter
|
|
from gui.widgets.label import Label
|
|
|
|
# Fonts
|
|
import gui.fonts.arial10 as arial10
|
|
import gui.fonts.courier20 as fixed
|
|
import gui.fonts.font6 as small
|
|
|
|
# Some ports don't support uos.urandom.
|
|
# See https://github.com/peterhinch/micropython-samples/tree/master/random
|
|
def xorshift64star(modulo, seed = 0xf9ac6ba4):
|
|
x = seed
|
|
def func():
|
|
nonlocal x
|
|
x ^= x >> 12
|
|
x ^= ((x << 25) & 0xffffffffffffffff) # modulo 2**64
|
|
x ^= x >> 27
|
|
return (x * 0x2545F4914F6CDD1D) % modulo
|
|
return func
|
|
|
|
def fields():
|
|
ssd.fill(0)
|
|
refresh(ssd)
|
|
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
|
|
wri = Writer(ssd, fixed, verbose=False)
|
|
wri.set_clip(False, False, False)
|
|
textfield = Label(wri, 0, 2, wri.stringlen('longer'))
|
|
numfield = Label(wri, 25, 2, wri.stringlen('99.99'), bdcolor=None)
|
|
countfield = Label(wri, 0, 90, wri.stringlen('1'))
|
|
n = 1
|
|
random = xorshift64star(65535)
|
|
for s in ('short', 'longer', '1', ''):
|
|
textfield.value(s)
|
|
numfield.value('{:5.2f}'.format(random() /1000))
|
|
countfield.value('{:1d}'.format(n))
|
|
n += 1
|
|
refresh(ssd)
|
|
utime.sleep(2)
|
|
textfield.value('Done', True)
|
|
refresh(ssd)
|
|
|
|
def multi_fields():
|
|
ssd.fill(0)
|
|
refresh(ssd)
|
|
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
|
|
wri = Writer(ssd, small, verbose=False)
|
|
wri.set_clip(False, False, False)
|
|
|
|
nfields = []
|
|
dy = small.height() + 6
|
|
y = 2
|
|
col = 15
|
|
width = wri.stringlen('99.99')
|
|
for txt in ('X:', 'Y:', 'Z:'):
|
|
Label(wri, y, 0, txt)
|
|
nfields.append(Label(wri, y, col, width, bdcolor=None)) # Draw border
|
|
y += dy
|
|
|
|
random = xorshift64star(2**24 - 1)
|
|
for _ in range(10):
|
|
for field in nfields:
|
|
value = random() / 167772
|
|
field.value('{:5.2f}'.format(value))
|
|
refresh(ssd)
|
|
utime.sleep(1)
|
|
Label(wri, 0, 64, ' DONE ', True)
|
|
refresh(ssd)
|
|
|
|
def meter():
|
|
ssd.fill(0)
|
|
refresh(ssd)
|
|
wri = Writer(ssd, arial10, verbose=False)
|
|
m0 = Meter(wri, 5, 2, height = 50, divisions = 4, legends=('0.0', '0.5', '1.0'))
|
|
m1 = Meter(wri, 5, 44, height = 50, divisions = 4, legends=('-1', '0', '+1'))
|
|
m2 = Meter(wri, 5, 86, height = 50, divisions = 4, legends=('-1', '0', '+1'))
|
|
steps = 10
|
|
random = xorshift64star(2**24 - 1)
|
|
for n in range(steps + 1):
|
|
m0.value(random() / 16777216)
|
|
m1.value(n/steps)
|
|
m2.value(1 - n/steps)
|
|
refresh(ssd)
|
|
utime.sleep(1)
|
|
|
|
|
|
tstr = '''Test assumes a 128*64 (w*h) display. Edit WIDTH and HEIGHT in ssd1306_setup.py for others.
|
|
Device pinouts are comments in ssd1306_setup.py.
|
|
|
|
Test runs to completion.
|
|
'''
|
|
|
|
print(tstr)
|
|
print('Basic test of fields.')
|
|
fields()
|
|
print('More fields.')
|
|
multi_fields()
|
|
print('Meters.')
|
|
meter()
|
|
print('Done.')
|