100年鐵路 資料通訊 - 考試
By Hardy
at 2014-06-10T21:50
at 2014-06-10T21:50
Table of Contents
先把每一組相加 有進位要做端迴進位
3456
+ABCD
--------
E023
+02AC
--------
E2CF
+BBBB
--------
9E8A
+ 1
--------
9E8B
若出來的的值不為0xFFFF
則該資料傳輸過程有損壞
要補上的checksum就是
FFFF - 9E8B
後面自己寫 架構大概是這樣
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考試
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