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Gadgetoid/pk4k.py Secret

Last active June 2, 2023 16:16
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Display a 4K jpeg from the microSD card
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pk4k.py
import os
import machine
import jpegdec
import sdcard
from picographics import PicoGraphics, DISPLAY_INKY_FRAME_7 as DISPLAY
# Initialise PicoGraphics
graphics = PicoGraphics(DISPLAY)
# Mount the SD card
sd_spi = machine.SPI(0, sck=machine.Pin(18, machine.Pin.OUT), mosi=machine.Pin(19, machine.Pin.OUT), miso=machine.Pin(16, machine.Pin.OUT))
sd = sdcard.SDCard(sd_spi, machine.Pin(22))
os.mount(sd, "/sd")
# Render the JPEG
jpeg = jpegdec.JPEG(graphics)
jpeg.open_file("/sd/placekitten-3840-2160.jpg")
jpeg.decode(dither=True, scale=jpegdec.JPEG_SCALE_QUARTER)
# Update the display
graphics.update()
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