解决不能擦除flash的问题

doc/creat_jwt_boot.py

@@ -0,0 +1,47 @@
+import shutil
+import sys
+import os
+import json
+
+
+
+BOOT_PATH ="JW3425_boot_v6.bin"
+APP_PATH ="MS-IEpro20231007.bin"
+OUT_PATH = "jwt_program.jwt"
+
+# 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
+    d=bytearray()
+    with open(boot,"rb") as f:
+        d+=f.read()
+    d+=arr_byte_copy(0x00,4096-len(d))
+    with open(app,"rb") as f:
+        d+=f.read()
+    d+=arr_byte_copy(0x00,0x3c7c-len(d))
+    d+=arr_from_int(0x55aa6699)
+    d+=arr_byte_copy(0x00,1024*16-len(d))
+    with open(OUT_PATH,"wb+") as f:
+        f.write(d)
+        print(OUT_PATH+" create boot file success.")
+    
+    
+
+if __name__ == "__main__":
+    creat()
+
+