kopia lustrzana https://github.com/micropython/micropython
62 wiersze
1.5 KiB
Python
62 wiersze
1.5 KiB
Python
# Test for sdcard block protocol
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# Peter hinch 30th Jan 2016
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import os, sdcard, machine
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def sdtest():
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spi = machine.SPI(1)
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spi.init() # Ensure right baudrate
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sd = sdcard.SDCard(spi, machine.Pin.board.X21) # Compatible with PCB
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vfs = os.VfsFat(sd)
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os.mount(vfs, "/fc")
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print("Filesystem check")
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print(os.listdir("/fc"))
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line = "abcdefghijklmnopqrstuvwxyz\n"
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lines = line * 200 # 5400 chars
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short = "1234567890\n"
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fn = "/fc/rats.txt"
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print()
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print("Multiple block read/write")
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with open(fn, "w") as f:
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n = f.write(lines)
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print(n, "bytes written")
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n = f.write(short)
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print(n, "bytes written")
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n = f.write(lines)
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print(n, "bytes written")
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with open(fn, "r") as f:
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result1 = f.read()
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print(len(result1), "bytes read")
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fn = "/fc/rats1.txt"
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print()
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print("Single block read/write")
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with open(fn, "w") as f:
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n = f.write(short) # one block
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print(n, "bytes written")
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with open(fn, "r") as f:
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result2 = f.read()
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print(len(result2), "bytes read")
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os.umount("/fc")
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print()
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print("Verifying data read back")
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success = True
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if result1 == "".join((lines, short, lines)):
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print("Large file Pass")
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else:
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print("Large file Fail")
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success = False
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if result2 == short:
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print("Small file Pass")
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else:
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print("Small file Fail")
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success = False
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print()
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print("Tests", "passed" if success else "failed")
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