Tool:
【免费】HexView工具,嵌入式开发,计算BIN文件专用资源-优快云文库
First step : Fill block data
Edit->Fill block data
checkFill address range: 0x38000- 0xe7fff
Fill with a record :ff
second step : Fill block data(Flag)
0xaffe8-0xaffeb 00 00 c1 00
0xafff0-0xafff3 00 00 a1 00
0xe7ff0-0xe7ff3 00 00 c1 00
Third step:calculate CRC:
Edit->create checksum
- Fill the CRC in the following two places,As shown in the figure below