Commit Graph

9 Commits

Author SHA1 Message Date
Jeff Epler 52540a9830 Rename EXTENDED_FIELDS -> MP_TYPE_EXTENDED_FIELDS 2021-07-12 06:57:59 -05:00
Jeff Epler 7302bc09a7 rename the type flag to EXTENDED for consistency 2021-07-09 14:59:37 -05:00
Jeff Epler 0d756066e8 milestone: coverage make test_full passes 2021-07-06 10:37:32 -05:00
Jeff Epler df56ba207f WIP 2021-07-06 09:25:56 -05:00
Scott Shawcroft f0bb26d70f
Merge MicroPython 1.13 into CircuitPython 2021-05-04 18:06:33 -07:00
Scott Shawcroft b35fa44c8a
Merge MicroPython 1.12 into CircuitPython 2021-05-03 14:01:18 -07:00
Damien George 2acc087880 extmod/vfs_lfs: Add mtime support to littlefs files.
This commit adds support for modification time of files on littlefs v2
filesystems, using file attributes.  For some background see issue #6114.

Features/properties of this implementation:
- Only supported on littlefs2 (not littlefs1).
- Uses littlefs2's general file attributes to store the timestamp.
- The timestamp is 64-bits and stores nanoseconds since 1970/1/1 (if the
  range to the year 2554 is not enough then additional bits can be added to
  this timestamp by adding another file attribute).
- mtime is enabled by default but can be disabled in the constructor, eg:
  uos.mount(uos.VfsLfs2(bdev, mtime=False), '/flash')
- It's fully backwards compatible, existing littlefs2 filesystems will work
  without reformatting and timestamps will be added transparently to
  existing files (once they are opened for writing).
- Files without timestamps will open correctly, and stat will just return 0
  for their timestamp.
- mtime can be disabled or enabled each mount time and timestamps will only
  be updated if mtime is enabled (otherwise they will be untouched).

Signed-off-by: Damien George <damien@micropython.org>
2020-08-25 17:35:19 +10:00
Damien George 69661f3343 all: Reformat C and Python source code with tools/codeformat.py.
This is run with uncrustify 0.70.1, and black 19.10b0.
2020-02-28 10:33:03 +11:00
Damien George a099505420 extmod: Add VFS littlefs bindings.
Both LFS1 and LFS2 are supported at the same time.
2019-10-29 14:17:29 +11:00