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try:
import errno, os, vfs
vfs.VfsFat
except (ImportError, AttributeError):
print("SKIP")
raise SystemExit
class RAMFS_OLD:
SEC_SIZE = 512
def __init__(self, blocks):
self.data = bytearray(blocks * self.SEC_SIZE)
def readblocks(self, n, buf):
# print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
for i in range(len(buf)):
buf[i] = self.data[n * self.SEC_SIZE + i]
def writeblocks(self, n, buf):
# print("writeblocks(%s, %x)" % (n, id(buf)))
for i in range(len(buf)):
self.data[n * self.SEC_SIZE + i] = buf[i]
def sync(self):
pass
def count(self):
return len(self.data) // self.SEC_SIZE
try:
bdev = RAMFS_OLD(50)
except MemoryError:
print("SKIP")
raise SystemExit
vfs.VfsFat.mkfs(bdev)
fs = vfs.VfsFat(bdev)
vfs.mount(fs, "/ramdisk")
# file io
with fs.open("file.txt", "w") as f:
f.write("hello!")
print(list(fs.ilistdir()))
with fs.open("file.txt", "r") as f:
print(f.read())
fs.remove("file.txt")
print(list(fs.ilistdir()))
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