SD card test sketch

code.py

### SD CARD ----------------
import busio
import sdcardio
import board
import storage
import sys
import os

# Connect to the card and mount the filesystem.
spi = busio.SPI(clock=board.IO5, MOSI=board.IO4, MISO=board.IO3)
sdcard = sdcardio.SDCard(spi, board.IO6)
vfs = storage.VfsFat(sdcard)
storage.mount(vfs, "/sd")
sys.path.append("/sd")
sys.path.append("/sd/lib")
os.listdir("/sd")

def print_directory(path, tabs=0):
    for file in os.listdir(path):
        stats = os.stat(path + "/" + file)
        filesize = stats[6]
        isdir = stats[0] & 0x4000
 
        if filesize < 1000:
            sizestr = str(filesize) + " by"
        elif filesize < 1000000:
            sizestr = "%0.1f KB" % (filesize / 1000)
        else:
            sizestr = "%0.1f MB" % (filesize / 1000000)
 
        prettyprintname = ""
        for _ in range(tabs):
            prettyprintname += "   "
        prettyprintname += file
        if isdir:
            prettyprintname += "/"
        print('{0:<40} Size: {1:>10}'.format(prettyprintname, sizestr))
 
        # recursively print directory contents
        if isdir:
            print_directory(path + "/" + file, tabs + 1)
 
 
print("Files on filesystem:")
print("====================")
print_directory("/sd")