micropython/ports/esp32/makeimg.py

26 wiersze
753 B
Python

import sys
OFFSET_BOOTLOADER = 0x1000
OFFSET_PARTITIONS = 0x8000
OFFSET_APPLICATION = 0x10000
files_in = [
('bootloader', OFFSET_BOOTLOADER, sys.argv[1]),
('partitions', OFFSET_PARTITIONS, sys.argv[2]),
('application', OFFSET_APPLICATION, sys.argv[3]),
]
file_out = sys.argv[4]
cur_offset = OFFSET_BOOTLOADER
with open(file_out, 'wb') as fout:
for name, offset, file_in in files_in:
assert offset >= cur_offset
fout.write(b'\xff' * (offset - cur_offset))
cur_offset = offset
with open(file_in, 'rb') as fin:
data = fin.read()
fout.write(data)
cur_offset += len(data)
print('%-12s% 8d' % (name, len(data)))
print('%-12s% 8d' % ('total', cur_offset))