Files
python_tools/updata/creat_slave_boot.py
2023-09-22 18:26:14 +08:00

53 lines
1.2 KiB
Python

import shutil
import sys
import os
import json
import prottcp
BOOT_PATH ="file/checker_slave_boot_can.bin"
APP_PATH ="file/checker_slave_app_can.bin"
SCHEME_PATH = "file/YM硬件EX工厂注码091902--9.json"
OUT_PATH = "file/checker_slave_boot_can_.bin"
# 创建离线下载器的镜像
# 填充指定个数的byte
def arr_byte_copy(byte:int,num:int):
t=bytearray()
for i in range(num):
t.append(byte)
return t
# int转数组
def arr_from_int(num:int):
return bytearray([num&0xff,(num>>8)&0xff,(num>>16)&0xff,(num>>24)&0xff])
def creat():
boot=BOOT_PATH
app=APP_PATH
scheme=SCHEME_PATH
d=bytearray()
with open(boot,"rb") as f:
d+=f.read()
d+=arr_byte_copy(0xff,0x4000-len(d))
with open(app,"rb") as f:
d+=f.read()
d+=arr_byte_copy(0xff,0x3f000-len(d))
with open(scheme,"rb") as f:
json_obj=json.loads(f.read())
d+=prottcp.scheme_to_byte(json_obj)
d+=arr_byte_copy(0xff,0x3f800-len(d))
d+=arr_from_int(0x669955aa)
with open(OUT_PATH,"wb+") as f:
f.write(d)
print(OUT_PATH+" create boot file success.")
if __name__ == "__main__":
creat()