sdcard test

code.py

import adafruit_sdcard
import busio
import digitalio
import board
import storage
import os
import gc

spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
cs = digitalio.DigitalInOut(board.D10)
sdcard = adafruit_sdcard.SDCard(spi, cs)
vfs = storage.VfsFat(sdcard)
for entry in vfs.ilistdir():
    print(entry)
storage.mount(vfs, "/sd")

del spi
del sdcard
del vfs
gc.collect()

with open("/sd/test.txt", "w") as f:
    f.write("Hello world\n")

print(os.listdir("/sd"))