circuitpython/ports/nrf/modules/scripts/_mkfs.py
Glenn Ruben Bakke 7b6ad0ce2e nrf/modules/scripts: Add file system formatting script.
Add a helper script _mkfs.py which automatically formats the file system if
nrf.Flash() is located and a VFS file system has been included in the
compilation.

The precedence is: first LFS1, LFS2 then FAT.
2021-08-08 23:17:55 +10:00

24 lines
616 B
Python

import uos, nrf
try:
from uos import VfsLfs1
uos.VfsLfs1.mkfs(nrf.Flash())
except ImportError:
try:
from uos import VfsLfs2
uos.VfsLfs2.mkfs(nrf.Flash())
except ImportError:
try:
from uos import VfsFat
uos.VfsFat.mkfs(nrf.Flash())
except ImportError:
pass
except OSError as e:
if e.args[0] == 5: # I/O Error
flashbdev_size = (nrf.Flash.ioctl(4, 0) * nrf.Flash.ioctl(5, 0)) // 1024
print()
print("Is `FS_SIZE=%iK` enough for FAT filesystem?" % flashbdev_size)