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fatfs: enable long file names for fatfsparse.py

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This commit is contained in:
Martin Gaňo
2022-05-23 15:10:46 +02:00
parent 815935b01e
commit 0f160c8f11
10 changed files with 154 additions and 82 deletions
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17
components/fatfs/fatfs_utils/fat.py
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@@ -38,6 +38,23 @@ class FAT:
is_cluster_last_: bool = value_ == (1 << self.boot_sector_state.fatfs_type) - 1
return is_cluster_last_
def chain_content(self, cluster_id_: int) -> bytearray:
bin_im: bytearray = self.boot_sector_state.binary_image
if self.is_cluster_last(cluster_id_):
data_address_ = Cluster.compute_cluster_data_address(self.boot_sector_state, cluster_id_)
content_: bytearray = bin_im[data_address_: data_address_ + self.boot_sector_state.sector_size]
return content_
fat_value_: int = self.get_cluster_value(cluster_id_)
data_address_ = Cluster.compute_cluster_data_address(self.boot_sector_state, cluster_id_)
content_ = bin_im[data_address_: data_address_ + self.boot_sector_state.sector_size]
while not self.is_cluster_last(cluster_id_):
cluster_id_ = fat_value_
fat_value_ = self.get_cluster_value(cluster_id_)
data_address_ = Cluster.compute_cluster_data_address(self.boot_sector_state, cluster_id_)
content_ += bin_im[data_address_: data_address_ + self.boot_sector_state.sector_size]
return content_
def find_free_cluster(self) -> Cluster:
# finds first empty cluster and allocates it
for cluster in self.clusters: