kopia lustrzana https://github.com/micropython/micropython
49 wiersze
959 B
Python
49 wiersze
959 B
Python
import sys
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import uos
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try:
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uos.VfsFat
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except AttributeError:
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print("SKIP")
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sys.exit()
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class RAMFS:
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def __init__(self, blocks):
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self.data = bytearray(blocks * 512)
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def readblocks(self, n, buf):
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#print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
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for i in range(len(buf)):
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buf[i] = self.data[n*512+i]
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def writeblocks(self, n, buf):
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#print("writeblocks(%s, %x)" % (n, id(buf)))
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for i in range(len(buf)):
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self.data[n*512+i] = buf[i]
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def sync(self):
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pass
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def count(self):
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return len(self.data) // 512
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bdev = RAMFS(48)
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uos.VfsFat.mkfs(bdev)
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assert b"FOO_FILETXT" not in bdev.data
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assert b"hello!" not in bdev.data
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vfs = uos.VfsFat(bdev, "/ramdisk")
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f = vfs.open("foo_file.txt", "w")
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f.write("hello!")
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f.close()
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f2 = vfs.open("foo_file.txt")
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print(f2.read())
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f2.close()
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assert b"FOO_FILETXT" in bdev.data
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assert b"hello!" in bdev.data
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