Thread View: pl.comp.lang.funkcyjne
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Started by Krzysztof Wojtaś
Sat, 17 Jan 2004 12:35
Sumy kontrolne w protokole po rs232
Author: Krzysztof Wojtaś
Date: Sat, 17 Jan 2004 12:35
Date: Sat, 17 Jan 2004 12:35
42 lines
2243 bytes
2243 bytes
Witam Usiluje zlamac protokol komunikaci pomiedzy pewnym urzadzeniem a programem pod winda do jego obslugi. Mam jednak maly klopot ze znalezieniem algorytmu liczenia sum kontrolnych. Ostatni bajt w transmisij to suma kontrolna. Prosze o pomoc !!! A tu przykladowe dane: Host --> (007) (000) (000) (000) (025) (002) (208) Device --> (005) (000) (004) (176) (144) Host --> (007) (000) (000) (000) (001) (002) (224) Device --> (005) (000) (002) (249) (213) Host --> (007) (000) (000) (000) (004) (002) (234) Device --> (005) (000) (003) (044) (002) Host --> (007) (000) (000) (000) (036) (002) (170) Device --> (005) (000) (010) (082) (110) Host --> (007) (000) (000) (000) (173) (001) (162) Device --> (004) (000) (005) (021) Host --> (007) (000) (000) (000) (034) (002) (166) Device --> (005) (000) (000) (000) (040) Host --> (007) (000) (000) (000) (174) (001) (164) Device --> (004) (000) (221) (205) Host --> (007) (000) (000) (000) (181) (001) (146) Device --> (004) (000) (010) (026) Host --> (007) (000) (000) (000) (032) (001) (161) Device --> (004) (000) (000) (016) Host --> (007) (000) (000) (000) (031) (001) (223) Device --> (004) (000) (000) (016) Host --> (007) (000) (000) (000) (056) (001) (145) Device --> (004) (000) (000) (016)
Re: Sumy kontrolne w protokole po rs232
Author: Krzysztof Wojtaś
Date: Sat, 17 Jan 2004 15:14
Date: Sat, 17 Jan 2004 15:14
2 lines
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842 bytes
juz znalazlem PZD
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