rs485串口,细说linux基础知识pdf

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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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