def _add_state_sectors(self) -> None:
wl_state_data = WLFATFS.WL_STATE_T_DATA.build(
dict(
pos=0,
max_pos=self.plain_fat_sectors + WLFATFS.DUMMY_SECTORS_COUNT,
move_count=0,
access_count=0,
max_count=self._update_rate,
block_size=self.sector_size,
version=self._version,
device_id=self._device_id or generate_4bytes_random(),
))
crc = crc32(list(wl_state_data), WLFATFS.UINT32_MAX)
wl_state_crc = Int32ul.build(crc)
wl_state = wl_state_data + wl_state_crc
self.fatfs_binary_image += WLFATFS.WL_STATE_COPY_COUNT * (
(wl_state +
(self.sector_size - WLFATFS.WL_STATE_HEADER_SIZE) * b'\xff') +
(self.wl_state_sectors - 1) * self.sector_size * b'\xff')
def _add_config_sector(self) -> None:
wl_config_data = WLFATFS.WL_CONFIG_T_DATA.build(
dict(start_addr=0,
full_mem_size=self.partition_size,
page_size=self.sector_size,
sector_size=self.sector_size,
updaterate=self._update_rate,
wr_size=16,
version=self._version,
temp_buff_size=self._temp_buff_size))
crc = crc32(list(wl_config_data), WLFATFS.UINT32_MAX)
wl_config_crc = Int32ul.build(crc)
# adding three 4 byte zeros to align the structure
wl_config = wl_config_data + wl_config_crc + Int32ul.build(
0) + Int32ul.build(0) + Int32ul.build(0)
self.fatfs_binary_image += (
wl_config +
(self.sector_size - WLFATFS.WL_CONFIG_HEADER_SIZE) * b'\xff')