kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
35 wiersze
1.1 KiB
Python
35 wiersze
1.1 KiB
Python
# ws_pico_res_touch.py
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2022 Peter Hinch
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# With help from Tim Wermer.
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import gc
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from machine import Pin, SPI
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from drivers.st7789.st7789_4bit import *
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SSD = ST7789
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pdc = Pin(8, Pin.OUT, value=0)
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pcs = Pin(9, Pin.OUT, value=1)
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prst = Pin(15, Pin.OUT, value=1)
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pbl = Pin(13, Pin.OUT, value=1)
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gc.collect() # Precaution before instantiating framebuf
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# Max baudrate produced by Pico is 31_250_000. ST7789 datasheet allows <= 62.5MHz.
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# Note non-standard MISO pin. This works, verified by SD card.
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spi = SPI(1, 33_000_000, sck=Pin(10), mosi=Pin(11), miso=Pin(12))
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# Define the display
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# For portrait mode:
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# ssd = SSD(spi, height=320, width=240, dc=pdc, cs=pcs, rst=prst)
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# For landscape mode:
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ssd = SSD(spi, height=240, width=320, disp_mode=PORTRAIT, dc=pdc, cs=pcs, rst=prst)
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# Optional use of SD card. Requires official driver. In my testing the
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# 31.25MHz baudrate works. Other SD cards may have different ideas.
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# from sdcard import SDCard
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# import os
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# sd = SDCard(spi, Pin(22, Pin.OUT), 33_000_000)
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# vfs = os.VfsFat(sd)
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# os.mount(vfs, "/fc")
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