气蛤蟆UDS服务器响应实施规则(Serverresponimplementationrule。。。⼀,概览:
国内卫浴品牌
Abbreviation Description
suppressPosRspMsgIndicationBit TRUE = rver shall NOT nd a positive respon message (exception e Annex A.1 in definition
雷锋读后感
of NRC 0x78)
FALSE = rver shall nd a positive or negative respon message
PosRsp Abbreviation for positive respon message
NegRsp Abbreviation for negative respon message
家校NoRsp Abbreviation for NOT nding a positive or negative respon meesage
部队心得体会
NRC Abbreviation for negative respon code
ALL All of the requested data-parameters of the client request message are supported by the rver At least 1At least 1 data-parameter of the client request message must be supported by the rver None
社会保险有哪些None of the requested data-parameter of the client request message is supported by the rver
1. 服务器会响应它⽀持的诊断服务,⽽不管是什么地址模式(物理地址还是功能地址);
2. 根据以下⼦项表的要求,当功能寻址消息的消极响应消息中具有SNS (rviceNotSupported), SNSIAS (rviceNotSupportedInActiveSession), SFNS (sub-functionNotSupported), SFNSIAS (sub-functionNotSupportedInActiveSession), and ROOR (requestOutOfRange) 等消极响应码时,此消极响应消息将不会发送(NRC0x78定义中的附件A.1)不应发送。(例外见附件A.1中NRC 0x78的定义)。
⼆,服务器响应流程图
三,带⼦功能参数的请求消息的服务器响应流程图
服务器会检查最⼩长度(最⼩为2,SID+SubFunction Parameter),该⼦功能是否适⽤于此SID等等。
湿球未完待续。。。
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