mirror/littlefs
3
0
Fork 0
mirror of https://github.com/littlefs-project/littlefs.git synced 2025-10-30 04:02:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Indent sub-portions of tag fields

Browse Source 
This makes the bit breakdown clearer.
This commit is contained in:
Scott Shawcroft 2021-08-23 14:13:52 -07:00 committed by Christopher Haster
parent ead50807f1
commit 1877c40aac
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
SPEC.md
View File

@ -233,19 +233,19 @@ Metadata tag fields:
into a 3-bit abstract type and an 8-bit chunk field. Note that the value
`0x000` is invalid and not assigned a type.
3. **Type1 (3-bits)** - Abstract type of the tag. Groups the tags into
8 categories that facilitate bitmasked lookups.
1. **Type1 (3-bits)** - Abstract type of the tag. Groups the tags into
8 categories that facilitate bitmasked lookups.
4. **Chunk (8-bits)** - Chunk field used for various purposes by the different
abstract types. type1+chunk+id form a unique identifier for each tag in the
metadata block.
2. **Chunk (8-bits)** - Chunk field used for various purposes by the different
abstract types. type1+chunk+id form a unique identifier for each tag in the
metadata block.
5. **Id (10-bits)** - File id associated with the tag. Each file in a metadata
3. **Id (10-bits)** - File id associated with the tag. Each file in a metadata
block gets a unique id which is used to associate tags with that file. The
special value `0x3ff` is used for any tags that are not associated with a
file, such as directory and global metadata.
6. **Length (10-bits)** - Length of the data in bytes. The special value
4. **Length (10-bits)** - Length of the data in bytes. The special value
`0x3ff` indicates that this tag has been deleted.
## Metadata types