kopia lustrzana https://github.com/peterhinch/micropython-samples
92 wiersze
3.2 KiB
Python
92 wiersze
3.2 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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# V0.22 Dec 23rd 2017 machine.SPI now only seems to work soft SPI and I2C
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# implmentations
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# Now provides demo of simple graphics
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import machine
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from ssd1306 import SSD1306_SPI, SSD1306_I2C
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from writer import Writer
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# Fonts
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import freesans20
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#import freeserif19
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#import inconsolata16
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WIDTH = const(128)
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HEIGHT = const(64)
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def test(use_spi=False):
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if use_spi:
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# Pyb SSD
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# 3v3 Vin
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# Gnd Gnd
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# X1 DC
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# X2 CS
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# X3 Rst
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# X6 CLK
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# X8 DATA
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pdc = machine.Pin('X1', machine.Pin.OUT_PP)
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pcs = machine.Pin('X2', machine.Pin.OUT_PP)
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prst = machine.Pin('X3', machine.Pin.OUT_PP)
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# spi = machine.SPI('Y')
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spi = machine.SPI(sck=machine.Pin('X6'), mosi=machine.Pin('X8'), miso=machine.Pin('X7'))
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ssd = SSD1306_SPI(WIDTH, HEIGHT, spi, pdc, prst, pcs)
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else: # I2C
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# Pyb SSD
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# 3v3 Vin
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# Gnd Gnd
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# Y9 CLK
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# Y10 DATA
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pscl = machine.Pin('Y9', machine.Pin.OPEN_DRAIN)
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psda = machine.Pin('Y10', machine.Pin.OPEN_DRAIN)
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i2c = machine.I2C(scl=pscl, sda=psda)
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# i2c = machine.I2C(2)
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ssd = SSD1306_I2C(WIDTH, HEIGHT, i2c)
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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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#wri = Writer(ssd, freeserif19)
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wri2 = Writer(ssd, freesans20, verbose=False)
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Writer.set_clip(True, True)
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Writer.set_textpos(0, 0)
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wri2.printstring('Tuesday\n')
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wri2.printstring('8 Nov 2016\n')
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wri2.printstring('10.30am')
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ssd.show()
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print('Test assumes a 128*64 (w*h) display. Edit WIDTH and HEIGHT for others.')
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print('Device pinouts are commented in the code.')
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print('Issue:')
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print('ssd1306_test.test() for an I2C connected device.')
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print('ssd1306_test.test(True) for an SPI connected device.')
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