Linux的RS485通信随心所欲的未来
34 11 2008 6
vol.34no.11 computerengineeringjune 2008
2008 A TP273
是LinuxNQdgb/p(210093 )
Linux RS485 NQ dgb/p颜文艺的电话-hua，周玉宇，杜DU Si-dan
(departmentofelectronicscienceandengineering，Nanjing Unisversity，Nanjing 210093 )
fromtheaspectsofnetworkcollisiondetectionandthestructureofdataframe，andutilizingthepointttomultiplepointcharacteristicofrs 485
protocolextendsthetraditionalprincipalandsubordinatecommunicationmethodtomultipleprincipalmethod，and realizes peer to peer transfer trans
amongmultipleequipmentsonthers 485 bus.thisprotocolisportableandextendable。
Key wordsRS485 bus； 通信协议； CRC检查； 嵌入式欢乐精灵/p 1
2.2
2.2.1 nqdgb/p
RS232 RS232/nqdgb/p欢喜精灵/p 1
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