kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
37 wiersze
1.3 KiB
Python
37 wiersze
1.3 KiB
Python
# waveshare_demo.py Allow standard demos to run on ePaper. Customise for your hardware config
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2020 Peter Hinch
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# As written, supports:
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# Waveshare 2.7" 264h*176w monochrome ePaper display:
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# https://www.waveshare.com/wiki/2.7inch_e-Paper_HAT
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# Demo of initialisation procedure designed to minimise risk of memory fail
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# when instantiating the frame buffer. The aim is to do this as early as
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# possible before importing other modules.
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# WIRING Pin numbers refer to RPI connector.
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# Pyb ePaper
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# Vin Vcc (2)
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# Gnd Gnd (9)
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# Y8 DIN MOSI (19)
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# Y6 CLK SCK (23)
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# Y4 BUSY (18) (Low = Busy)
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# Y3 RST (11)
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# Y2 CS (24)
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# Y1 DC (22)
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import machine
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import gc
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from drivers.epaper.epaper2in7_fb import EPD as SSD
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pdc = machine.Pin('Y1', machine.Pin.OUT_PP, value=0)
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pcs = machine.Pin('Y2', machine.Pin.OUT_PP, value=1)
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prst = machine.Pin('Y3', machine.Pin.OUT_PP, value=1)
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pbusy = machine.Pin('Y4', machine.Pin.IN)
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spi = machine.SPI(2, baudrate=4_000_000) # From https://github.com/mcauser/micropython-waveshare-epaper/blob/master/examples/2in9-hello-world/test.py
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gc.collect() # Precaution before instantiating framebuf
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ssd = SSD(spi, pcs, pdc, prst, pbusy, landscape=True) # Create a display instance
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ssd.demo_mode = True
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