15 Ethernet interface
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Program:
YoucancreateyourownsoftwareunderVisualBasic,VisualC++ormanyother,forexampleby
usingtheWinsock.dlldriverbyMicrosoft.
Youonlyhavethentosendtotheappliancetheordersasdefinedinthefollowingparagraphs.
14.2.Programminglanguage
14.2.1.Formatofthereceptionmessages
Inallthefollowingexamples,the<Space>characterisrepresentedbyablankspace.
ExchangesfromacaptortotherecorderaremadeasmessagesmadeofasuccessionofASCII
characters(andpossiblyofbinarybytes)withaterminationsequenceattheendofthemessage.
Syntaxofareceptionmessage
Messageunit:isthemessageincludesseveralmessageunits,theyareseparatedbya";"and
possiblyprecededand/orfollowedbyoneorseveral"filling"charactersinASCIIcode(0to32,in
decimalvalueexcept10and13).
Themessageterminationsequence(TERM)fortheEthernetlinkis:
-LF: LineFeed(10indecimal)
Themessageterminationsequencecanbeprecededbyoneorseveral"filling"charactersinASCII
code(0to32,indecimalvalueexcept10and13).
Exampleofmessagesmadeof3messageunits:
MESSAGE1;MESSAGE2;MESSAGE3TERM
CHANNEL1; TYPE:VOLTAGEDC;:CALDEC? TERM
Messageunit Message
terminator
;
HeaderHeaderseparator Data
,
: