blob: 4750c761103c009c8a96021407b85be5f65078e3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
import sys
import uos
try:
uos.VfsFat
except AttributeError:
print("SKIP")
sys.exit()
class RAMFS:
def __init__(self, blocks):
self.data = bytearray(blocks * 512)
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*512+i]
def writeblocks(self, n, buf):
#print("writeblocks(%s, %x)" % (n, id(buf)))
for i in range(len(buf)):
self.data[n*512+i] = buf[i]
def sync(self):
pass
def count(self):
return len(self.data) // 512
bdev = RAMFS(48)
uos.VfsFat.mkfs(bdev)
assert b"FOO_FILETXT" not in bdev.data
assert b"hello!" not in bdev.data
vfs = uos.VfsFat(bdev, "/ramdisk")
f = vfs.open("foo_file.txt", "w")
f.write("hello!")
f.close()
f2 = vfs.open("foo_file.txt")
print(f2.read())
f2.close()
assert b"FOO_FILETXT" in bdev.data
assert b"hello!" in bdev.data
|
