kopia lustrzana https://github.com/peterhinch/micropython-font-to-py
293 wiersze
10 KiB
Python
293 wiersze
10 KiB
Python
# ssd1306_test.py Demo pogram for rendering arbitrary fonts to an SSD1306 OLED display.
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# The MIT License (MIT)
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#
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# Copyright (c) 2016 Peter Hinch
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# https://learn.adafruit.com/monochrome-oled-breakouts/wiring-128x32-spi-oled-display
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# https://www.proto-pic.co.uk/monochrome-128x32-oled-graphic-display.html
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# V0.3 12th Aug 2018
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import machine
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import utime
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import uos
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from ssd1306_setup import WIDTH, HEIGHT, setup
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from writer import Writer, CWriter, Field, Label
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# Fonts
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import freesans20
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import courier20 as fixed
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import font6 as small
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def inverse(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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rhs = WIDTH -1
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ssd.line(rhs - 20, 0, rhs, 20, 1)
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square_side = 10
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ssd.fill_rect(rhs - square_side, 0, square_side, square_side, 1)
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Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = Writer(ssd, freesans20, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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wri.printstring('Sunday\n')
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wri.printstring('12 Aug 2018\n')
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wri.printstring('10.30am', True) # Inverse text
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ssd.show()
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def scroll(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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rhs = WIDTH -1
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ssd.line(rhs - 20, 0, rhs, 20, 1)
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square_side = 10
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ssd.fill_rect(rhs - square_side, 0, square_side, square_side, 1)
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Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = Writer(ssd, freesans20, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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wri.printstring('Sunday\n')
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wri.printstring('12 Aug 2018\n')
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wri.printstring('10.30am')
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for x in range(5):
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ssd.show()
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utime.sleep(2)
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wri.printstring('\nCount = {:2d}'.format(x))
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ssd.show()
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utime.sleep(2)
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wri.printstring('\nDone.')
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ssd.show()
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def usd_scroll(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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# Only CWriter can do usd
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CWriter.invert_display(ssd)
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CWriter.set_textpos(ssd, 0, 0)
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wri = CWriter(ssd, freesans20, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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wri.printstring('Sunday\n')
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wri.printstring('12 Aug 2018\n')
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wri.printstring('10.30am')
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for x in range(5):
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ssd.show()
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utime.sleep(2)
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wri.printstring('\nCount = {:2d}'.format(x))
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ssd.show()
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utime.sleep(2)
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wri.printstring('\nDone.')
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ssd.show()
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CWriter.invert_display(ssd, False) # For subsequent tests
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def usd(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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# Only CWriter can do usd
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CWriter.invert_display(ssd)
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CWriter.set_textpos(ssd, 0, 0)
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wri = CWriter(ssd, freesans20, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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wri.printstring('Sunday\n')
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wri.printstring('12 Aug 2018\n')
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wri.printstring('10.30am')
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ssd.show()
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CWriter.invert_display(ssd, False) # For subsequent tests
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def rjust(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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Writer.set_textpos(ssd, 0, 0) # Previous tests may have altered it
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wri = Writer(ssd, freesans20, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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my_str = 'Sunday\n'
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l = wri.stringlen(my_str)
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Writer.set_textpos(ssd, col = WIDTH - l)
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wri.printstring(my_str)
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my_str = '12 Aug 2018\n'
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l = wri.stringlen(my_str)
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Writer.set_textpos(ssd, col = WIDTH - l)
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wri.printstring(my_str)
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my_str = '10.30am'
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l = wri.stringlen(my_str)
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Writer.set_textpos(ssd, col = WIDTH - l)
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wri.printstring(my_str)
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ssd.show()
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def fonts(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = Writer(ssd, freesans20, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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wri_f = Writer(ssd, small, verbose=False)
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wri_f.set_clip(False, False, False) # Char wrap
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wri_f.printstring('Sunday\n')
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wri.printstring('12 Aug 2018\n')
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wri.printstring('10.30am')
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ssd.show()
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def tabs(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = Writer(ssd, fixed, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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wri.printstring('1\t2\n')
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wri.printstring('111\t22\n')
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wri.printstring('1111\t1')
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ssd.show()
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def usd_tabs(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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CWriter.invert_display(ssd)
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CWriter.set_textpos(ssd, 0, 0)
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wri = CWriter(ssd, fixed, verbose=False)
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wri.set_clip(False, False, False) # Char wrap
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wri.printstring('1\t2\n')
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wri.printstring('111\t22\n')
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wri.printstring('1111\t1')
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ssd.show()
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CWriter.invert_display(ssd, False) # For subsequent tests
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def wrap(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = Writer(ssd, freesans20, verbose=False)
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wri.set_clip(False, False, True) # Word wrap
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wri.printstring('the quick brown fox jumps over')
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ssd.show()
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def fields(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = Writer(ssd, fixed, verbose=False)
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wri.set_clip(False, False, False)
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textfield = Field(wri, 0, 2, 'longer', False)
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numfield = Field(wri, 25, 2, '99.99', True)
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countfield = Field(wri, 0, 90, '1', False)
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n = 1
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for s in ('short', 'longer', '1', ''):
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textfield.value(s)
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numfield.value('{:5.2f}'.format(int.from_bytes(uos.urandom(2),'little')/1000))
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countfield.value('{:1d}'.format(n))
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n += 1
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ssd.show()
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utime.sleep(2)
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textfield.value('Done', True)
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ssd.show()
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def usd_fields(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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CWriter.invert_display(ssd)
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CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = CWriter(ssd, fixed, verbose=False)
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wri.set_clip(False, False, False)
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textfield = Field(wri, 25, 2, 'longer', False)
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numfield = Field(wri, 2, 2, '99.99', True)
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countfield = Field(wri, 25, 100, '1', False)
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n = 1
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for s in ('short', 'longer', '1', ''):
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textfield.value(s)
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numfield.value('{:5.2f}'.format(int.from_bytes(uos.urandom(2),'little')/1000))
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countfield.value('{:1d}'.format(n))
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n += 1
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ssd.show()
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utime.sleep(2)
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textfield.value('Done', True)
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ssd.show()
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def multi_fields(use_spi=False, soft=True):
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ssd = setup(use_spi, soft) # Create a display instance
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Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = Writer(ssd, small, verbose=False)
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wri.set_clip(False, False, False)
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nfields = []
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dy = small.height() + 6
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y = 2
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col = 15
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for txt in ('X:', 'Y:', 'Z:'):
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Label(wri, y, 0, txt)
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nfields.append(Field(wri, y, col, '99.99', True))
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y += dy
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for _ in range(10):
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for field in nfields:
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field.value('{:5.2f}'.format(int.from_bytes(uos.urandom(2),'little')/1000))
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ssd.show()
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utime.sleep(1)
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Label(wri, 0, 64, ' DONE ', True)
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ssd.show()
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def dual(use_spi=False, soft=True):
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ssd0 = setup(False, soft) # I2C display
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ssd1 = setup(True, False) # SPI instance
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Writer.set_textpos(ssd0, 0, 0) # In case previous tests have altered it
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wri0 = Writer(ssd0, small, verbose=False)
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wri0.set_clip(False, False, False)
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Writer.set_textpos(ssd1, 0, 0) # In case previous tests have altered it
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wri1 = Writer(ssd1, small, verbose=False)
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wri1.set_clip(False, False, False)
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nfields = []
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dy = small.height() + 6
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col = 15
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for n, wri in enumerate((wri0, wri1)):
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nfields.append([])
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y = 2
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for txt in ('X:', 'Y:', 'Z:'):
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Label(wri, y, 0, txt)
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nfields[n].append(Field(wri, y, col, '99.99', True))
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y += dy
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for _ in range(10):
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for n, wri in enumerate((wri0, wri1)):
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for field in nfields[n]:
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field.value('{:5.2f}'.format(int.from_bytes(uos.urandom(2),'little')/1000))
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wri.device.show()
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utime.sleep(1)
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for wri in (wri0, wri1):
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Label(wri, 0, 64, ' DONE ', True)
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wri.device.show()
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tstr = '''Test assumes a 128*64 (w*h) display. Edit WIDTH and HEIGHT in ssd1306_setup.py for others.
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Device pinouts are comments in ssd1306_setup.py.
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All tests take two boolean args:
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use_spi = False. Set True for SPI connected device
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soft=True set False to use hardware I2C/SPI. Hardware I2C option currently fails with official SSD1306 driver.
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Available tests:
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inverse() Show black on white text.
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scroll() Illustrate scrolling
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usd() Upside-down display.
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usd_scroll() Upside-down scroll test.
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rjust() Right justification.
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fonts() Two fonts.
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tabs() Tab stops.
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usd_tabs() Upside-down tabs.
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wrap() Word wrapping
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fields() Field test with dynamic data.
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usd_fields() Upside down fields.
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multi_fields() Fields and labels.
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dual() Test two displays on one host.'''
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print(tstr)
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