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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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components/fatfs/fatfsgen.py
+27 -27
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@@ -42,37 +42,36 @@ class FATFS:
assert (root_entry_count * BYTES_PER_DIRECTORY_ENTRY) % sector_size == 0
assert ((root_entry_count * BYTES_PER_DIRECTORY_ENTRY) // sector_size) % 2 == 0
root_dir_sectors_cnt = (root_entry_count * BYTES_PER_DIRECTORY_ENTRY) // sector_size
root_dir_sectors_cnt: int = (root_entry_count * BYTES_PER_DIRECTORY_ENTRY) // sector_size
self.state = FATFSState(entry_size=entry_size,
sector_size=sector_size,
explicit_fat_type=explicit_fat_type,
reserved_sectors_cnt=reserved_sectors_cnt,
root_dir_sectors_cnt=root_dir_sectors_cnt,
size=size,
file_sys_type=file_sys_type,
num_heads=num_heads,
fat_tables_cnt=fat_tables_cnt,
sectors_per_fat=sectors_per_fat,
sectors_per_cluster=sectors_per_cluster,
media_type=media_type,
hidden_sectors=hidden_sectors,
sec_per_track=sec_per_track,
long_names_enabled=long_names_enabled,
volume_label=volume_label,
oem_name=oem_name)
binary_image = bytearray(
self.state: FATFSState = FATFSState(entry_size=entry_size,
sector_size=sector_size,
explicit_fat_type=explicit_fat_type,
reserved_sectors_cnt=reserved_sectors_cnt,
root_dir_sectors_cnt=root_dir_sectors_cnt,
size=size,
file_sys_type=file_sys_type,
num_heads=num_heads,
fat_tables_cnt=fat_tables_cnt,
sectors_per_fat=sectors_per_fat,
sectors_per_cluster=sectors_per_cluster,
media_type=media_type,
hidden_sectors=hidden_sectors,
sec_per_track=sec_per_track,
long_names_enabled=long_names_enabled,
volume_label=volume_label,
oem_name=oem_name)
binary_image: bytes = bytearray(
read_filesystem(binary_image_path) if binary_image_path else self.create_empty_fatfs())
self.state.binary_image = binary_image
self.fat = FAT(fatfs_state=self.state,
reserved_sectors_cnt=self.state.reserved_sectors_cnt)
self.fat: FAT = FAT(fatfs_state=self.state, reserved_sectors_cnt=self.state.reserved_sectors_cnt)
self.root_directory = Directory(name='A', # the name is not important, must be string
size=self.state.root_dir_sectors_cnt * self.state.sector_size,
fat=self.fat,
cluster=self.fat.clusters[1],
fatfs_state=self.state)
self.root_directory: Directory = Directory(name='A', # the name is not important, must be string
size=self.state.root_dir_sectors_cnt * self.state.sector_size,
fat=self.fat,
cluster=self.fat.clusters[1],
fatfs_state=self.state)
self.root_directory.init_directory()
def create_file(self, name: str, extension: str = '', path_from_root: Optional[List[str]] = None) -> None:
@@ -171,7 +170,8 @@ def main() -> None:
sectors_per_cluster=args.sectors_per_cluster,
size=args.partition_size,
root_entry_count=args.root_entry_count,
explicit_fat_type=args.fat_type)
explicit_fat_type=args.fat_type,
long_names_enabled=args.long_name_support)
fatfs.generate(args.input_directory)
fatfs.write_filesystem(args.output_file)