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Serial Port Linux Example Code For Visual Basic >>> http://shorl.com/dajyfrikudake
The..ADR112..is..an..RS232..based..data..acquisition..interface..that..uses..simple..CR..(..Chr(13)..)..terminated..ASCII..strings..to..read..two..12-bit..analog..input..channels..and..control..an..8-bit..digital..I/O..portVirtual..Serial..Ports..Almost..any..programming..language..is..capable..of..accessing..the..COM..ports..created..by..the..MaestroTo..receive..strings..from..the..serial..portYou..seem..to..have..CSS..turned..offIn...VB...2005,...you...can...try...to...use...SerialPort...class...that...provides...synchronous...and...event-driven...I/O,...access...to...pin...and...break...states,...and...access...to...serial...driver...propertiesThis..example..assumes..the..computer..is..using..COM1Two...additional...buttons...send...SETPA0...and...RESPA0...commands...(...also...terminated...with...Chr(13))...to...set...or...reset...Bit...PA0...on...PORTA...of...the...ADR112This...example...assumes...the...computer...is...using...COM1NOTE2.:.The.procedure.shown.is.identical.for.VB2008,.VB2010.and.also.runs.on.Express.versionsThe...next...block...of...code...creates...our...pull...down...combobox...with...an...array...of...com...ports...from...COM1...to...COM20Else...returnStr...&=...Incoming...&...vbCrLf...Return...the...stringNOTE1...:...This...programming...guide...assumes...the...user...has...a...basic...knowledge...of...Visual...Basic...programmingThe...last...block...of...code...is...for...the..."OPEN...COM...Port"...button.........Edited...by...RonR399...Wednesday,...October...26,...2011...12:25...PM...spelling...Wednesday,...October...26,...2011...12:24...PM...Reply......Quote...0...Sign...in...to...vote...You...can...download...the...EnhancedSerialPort...code...from...my...websiteTry.It.Now.Advertisement.Write.a.Review.User.Reviews.Be.the.first.to.post.a.review.of.Visual.Basic.Serial.COM.Port!.Additional.Project.Details.Registered.2013-05-07.Recommended.Projects.C++.Serial.COM.Port.Access.you.USB.port.for.serial.communication.using.VS.C++
SourceForge.Browse.Enterprise.Blog.Deals.Help.Create.Log.In.or.Join.Thanks..for..helping..keep..SourceForge..cleanI.built.most.of.the.code.using.the."serial.class".but.then.i.read.that.this.would.not.work.with.a.USB.portNative...USB...Interface...The...Pololu...USB...Software...Development...Kit...supports...Windows...and...Linux,...and...includes...the...source...code...for:...MaestroEasyExample:...a...simple...example...application...that...uses...native...USB...and...has...three...buttons...that...control...the...MaestroIf.Incoming.Is.Nothing.Then.Exit.Do.End.If.Add.an.Else.block.to.the.If.statement.to.handle.the.case.if.the.string.is.actually.readUscCmd:..a..command-line..utility..for..configuring..and..controlling..the..Maestro..(written..in..C#)InitializeComponent().'.Add.any.initialization.after.the.InitializeComponent().callMike...started...this...project...because...he...wanted...to...program...a...power...switch...(GEMBIRD...SIS-PM)...with...a...USB...port...and...didn't...find...any....NET...USB...libraryThe.web.page.may.have.moved.due.to.the.web.site.redesign1.USING.VARIABLES.-.In.many.cases.it.may.be.desired.to.send.a.string.incorporating.a.command.and.some.variableDim.returnStr.As.String.=."".Dim.com1.As.IO.Ports.SerialPort.=.Nothing.Try.com1.=.My.Computer.Ports.OpenSerialPort("COM1").com1.ReadTimeout.=.10000.Do.Dim.Incoming.As.String.=.com1.ReadLine().If.Incoming.Is.Nothing.Then.Exit.Do.Else.returnStr.&=.Incoming.&.vbCrLf.End.If.Loop.Catch.ex.As.TimeoutException.returnStr.=."Error:.Serial.Port.read.timed.out.".Finally.If.com1.IsNot.Nothing.Then.com1.Close().End.Try.Return.returnStr.End.Function.FURTHER.NOTES.and.Programming.Hints;....3The...Send...RDO...button...sends...an...ASCII..."...RDO"...+...Chr(13)...out...on...the...COM...portCatch..ex..As..TimeoutException..is..used..to..detect..if..there..has..been..a..timeout..in..the..read..of..the..COM..portWednesday,...October...26,...2011...8:52...PM...Reply......Quote...0...Sign...in...to...vote...there...is...nothing...there...on...how...to...close...the...port...once...it...is...openedBy.continuing.to.browse.our.site.you.agree.to.our.use.of.cookies.We..recommend..the..Microsoft...NET..framework,..which..is..free..to..use..and..contains..a..SerialPort..class..that..makes..it..easy..to..read..and..write..bytes..from..a..serial..port b84ad54a27
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