53 lines
1.1 KiB
Python
53 lines
1.1 KiB
Python
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import shutil
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import sys
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import os
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import json
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import prottcp
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BOOT_PATH ="file/JQ_JCXB_V54.bin"
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APP_PATH ="file/jqcoder_slave_20230912--1.bin"
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SCHEME_PATH = "file/JQ硬件EX工厂注码090701--2.json"
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OUT_PATH = "file/coder_jqslave_boot.bin"
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# 创建离线下载器的镜像
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# 填充指定个数的byte
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def arr_byte_copy(byte:int,num:int):
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t=bytearray()
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for i in range(num):
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t.append(byte)
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return t
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# int转数组
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def arr_from_int(num:int):
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return bytearray([num&0xff,(num>>8)&0xff,(num>>16)&0xff,(num>>24)&0xff])
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def creat():
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boot=BOOT_PATH
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app=APP_PATH
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scheme=SCHEME_PATH
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d=bytearray()
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with open(boot,"rb") as f:
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d+=f.read()
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d+=arr_byte_copy(0xff,0x2400-len(d))
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with open(app,"rb") as f:
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d+=f.read()
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d+=arr_byte_copy(0xff,0xf400-len(d))
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with open(scheme,"rb") as f:
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json_obj=json.loads(f.read())
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d+=prottcp.scheme_to_byte(json_obj)
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d+=arr_byte_copy(0xff,0xfc00-len(d))
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d+=arr_from_int(0x669955aa)
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with open(OUT_PATH,"wb+") as f:
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f.write(d)
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print(OUT_PATH+" create boot file success.")
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if __name__ == "__main__":
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creat()
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