一汽佳宝数据算法

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1楼大中小发表于 2004-9-5 09:18 只看该作者

一汽佳宝数据算法

佳宝数据2740 km

00000000 A5 00 05 00 00 FF 01 00 01 01 02 09 01 04 02 03 ................
00000010 07 08 01 2B 00 00 02 07 04 00 00 00 0D FF FF FF ...+............
00000020 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................
00000030 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................
00000040 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................
00000050 FF FF FF FF FF FF A5 00 05 00 00 FF 01 00 01 01 ................
00000060 02 09 01 04 02 03 07 08 01 2B 00 00 02 07 04 00 .........+......
00000070 00 00 0D FF FF FF FF FF FF FF FF FF FF FF FF FF ................
00000080 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................
00000090 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................
000000A0 FF FF FF FF FF FF FF FF FF FF FF A5 00 05 00 00 ................
000000B0 FF 01 00 01 01 02 09 01 04 02 03 07 08 01 2B 00 ..............+.
000000C0 00 00 02 07 04 00 00 0D FF FF FF FF FF FF FF FF ................
000000D0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................
000000E0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................
000000F0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................

2+7+4+0=13

13换算成十六进制是D,效验位改为0D即可.

例如:123456公里

就是1+2+3+4+5+6=21

21换算成十六进制:15

000000C0 01 02 03 04 05 06 00 0D FF FF FF FF FF FF FF FF ................