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fatfsgen.py: enabled long names support

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Closes https://github.com/espressif/esp-idf/issues/8171
This commit is contained in:
Martin Gaňo
2022-02-09 16:09:09 +01:00
parent b02ac9cab9
commit fea2b5b64e
22 changed files with 691 additions and 187 deletions
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18
components/fatfs/fatfsgen_utils/cluster.py
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@@ -1,7 +1,7 @@
# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
from typing import Optional
from typing import Dict, Optional
from construct import Int16ul
@@ -14,20 +14,20 @@ class Cluster:
"""
class Cluster handles values in FAT table and allocates sectors in data region.
"""
RESERVED_BLOCK_ID = 0
ROOT_BLOCK_ID = 1
ALLOCATED_BLOCK_FAT12 = 0xFFF
ALLOCATED_BLOCK_FAT16 = 0xFFFF
RESERVED_BLOCK_ID: int = 0
ROOT_BLOCK_ID: int = 1
ALLOCATED_BLOCK_FAT12: int = 0xFFF
ALLOCATED_BLOCK_FAT16: int = 0xFFFF
ALLOCATED_BLOCK_SWITCH = {FAT12: ALLOCATED_BLOCK_FAT12, FAT16: ALLOCATED_BLOCK_FAT16}
INITIAL_BLOCK_SWITCH = {FAT12: 0xFF8, FAT16: 0xFFF8}
INITIAL_BLOCK_SWITCH: Dict[int, int] = {FAT12: 0xFF8, FAT16: 0xFFF8}
def __init__(self,
cluster_id: int,
fatfs_state: FATFSState,
is_empty: bool = True) -> None:
self.id = cluster_id
self.fatfs_state = fatfs_state
self.id: int = cluster_id
self.fatfs_state: FATFSState = fatfs_state
self._next_cluster = None # type: Optional[Cluster]
if self.id == Cluster.RESERVED_BLOCK_ID:
@@ -35,7 +35,7 @@ class Cluster:
self.set_in_fat(self.INITIAL_BLOCK_SWITCH[self.fatfs_state.fatfs_type])
return
self.cluster_data_address = self._compute_cluster_data_address()
self.cluster_data_address: int = self._compute_cluster_data_address()
self.is_empty = is_empty
assert self.cluster_data_address or self.is_empty