getting started with brainstem/mtm (2 of 2) - acroname started with brainstem/mtm ... next to the d0...

GettingStartedwithBrainStem/MTM(2of2)SoftwareSetupGuideThankyouforchoosingMTMfromAcroname!Inthisguide,wewillwalkaninitialbring-upandbasicevaluationoftheBrainStem/MTMplatform.Bytheendofthisguide,youwillbeableto:

1. UseUSBtoaccessMTMmodulesovertheBrainStemnetwork2. UsetheUpdatertooltoupdateyourMTMmodulestothelatestfirmwareand3. UseStemTooltoexercisesimplefunctionsusingresourcesoftheMTMmodules:

a. Configuring,settingandreadingdigitalsignalsb. Analogmeasurementofadigitalsignalc. Analogmeasurementofananalogsignald. EnableBrainStemnetworkroutingtoaccessmultipleMTMmodulese. UsingmultipleMTMmodules-analogmeasurementofapowerrail

Beforeyoustart,youwillneedanMTMDevelopmentBoardandtherelevantMTMmodulesthatyouwillbeexercisinginyourproject.Seethe“GettingStartedwithBrainStem/MTM:HardwareSetupGuide”document.

GettingStartedwithBrainStem/MTM SoftwareSetupGuide

Acroname,Inc. Confidential Page2of22Acroname,

SetupMTMHardwareYouwillneedaninternet-connectedhostcomputerwithatleastoneUSBportandrunningeitherWindows(7orhigher),LinuxorMacOSX.Inthisexample,wewillberunningWindows10.FromtheHardwareSetupGuide,weassumethatMTMEvaluationKithardwareisavailableandrunning:

(1)MTMDevelopmentBoard(1)MTMUSBStemModule(1)MTMPM-1Single-ChannelProgrammablePowerModule(1)MTMIO-SerialModule(1)12V/5Apowersupply(1)USBTypeAtomini-USBcable

Figure1:MTMEvaluationKit

OnceyourMTMhardwareissetupandpoweredon,youwillneedtoconnectonemoduletoyourhostmachine.TheconnectioncanbetoanyofthemodulesintheMTMEvaluationKit,butforthefirstexample,wewillconnectourhosttotheMTM-USBStemmoduleusingmini-BUSBedgeconnector:



Figure2:PluginUSBfromhostmachine

WiththehostpluggedintotheMTMmoduleedgeconnector,youshouldnowseetheyellow“USBStatus”LEDlittoindicateanactivehostconnection:

Figure3:HostLEDenabledwhenUSBhostdetected



DownloadBrainStemDeveloper’sKitInordertocommunicatewithanyoftheMTMmodules,theBrainStemlibrarieswillneedtobeinstalledonthehostmachine.DownloadthelatestBDK(BrainStemDeveloper’sKit)packagefromAcroname(www.acroname.com/software)

Figure4:LocationofBrainStemDevelopmentKitDownload



ExpandtheBDKpackagetoadirectoryofyourchoosing.Inthisexample,wehaveinstalledtheBrainStemDevelopmentKitforMSWindowstothelocalDesktopfolder:

Figure5:BrainStemDevelopmentKit(BDK)foldercontents



**Windows7CAVEAT**UnderWindows7,youwillneedtomanuallyloadtheUSBBrainStemdriver.ThisappliesonlytoWindows7anddoesnotapplytoWindows8.1orhigher.InstructionstoupdatetheBrainStemdriverinWindows7arealsoincludedwithintheBDKdirectoryunderthe\driversfolder:

Figure6:Windows7DriverInstallationInstructions



Inthenextstepsofthisguide,wewillbeusingtwoapplications,locatedinthe/binfolder:• Updater

CLI/commandlineinterfacetoolforupdatingandmanagingBrainStemfirmware• StemTool

GUItoolusedforexercisingsimpleMTMmodulefunctionsandtroubleshooting

Figure7:StemToolandUpdaterUtilities



FirmwareUpdateNowthattheBrainStemdriverisloaded,updatefirmwareontheBrainStem/MTMmodulestothelatestversion.OpenacommandlineinWindows:

Figure8:WindowsCommandLine

NavigatetotheBDKdirectoryandfindthe\binfolderwhereyouwillfindtheupdaterutility:

Figure9:LocationofUpdaterinWindowscommandterminal



Fromthecommandline,runtwoseparatecommandstoupdatefirmware: updater-D<<thiswillDiscoveranylocallyattachedBrainStemdevicesandreturnserialnumbersinXXXXXXXXformat>>

Figure10:Updaterutility-Discover

updater-G-U-dXXXXXXXX<<thiscommandwillGetlatestfirmwarefromAcronameserversandUpdatethedevicewithserialnumberXXXXXXXX>>

Figure11:Updaterutility–Getlatestfirmware,Updatetolatestfirmware


Acroname,Inc. Confidential Page10of22

Figure12:Successfulfirmwareupdate

Oncetheupdaterutilitysuccessfullyupdatesthemoduleyouareconnectedto,movetheUSBconnectiontothenextmoduleyouwouldliketoupdateandrepeattheupdatercommandsequenceforeachmodule.Inthefuture,withBrainStemnetworkingenabled,youcanupdateallmoduleswithouthavingtomovetheUSBconnection.



ExercisingMTMModulesStemToolisausefulutilityforexercisingsimplefunctionsandgenerallytroubleshootingMTMmodulesinthelaborinthefield.StarttheStemToolGUI:OpentheBDKfolderandnavigatetothe\bindirectory.Double-clickStemTool:

Figure13:LocationofStemToolUtility

Figure14:StemToolUtilitywithMTM-USBStem



Exercise1:TogglingaDigitalIOOntheMTMDevelopmentboard,connectawirefromoneDigitalpintoanotherdigitalpin.Inthisexample,seethewhitejumperwireconnectingD0toD7ontheMTM-USBStem:

Figure15:ExampleconnectiontotoggleaDigitalIO

InStemTool,findtheDigitalI/Oresourcesection.ChangetheconfigurationoftheD0resourcefromit’sdefault(input)toanoutput:

Figure16:UsingStemTooltochangeMTMDigitalresourceconfiguration



TogglingthecheckboxnexttotheD0outputwillchangethelogiclevelonD0.SinceD0isconnectedtoD7,theD7inputlogiclevelwillchangeasindicatedbytheD7checkbox:

Figure17:UsingMTMtochangeandreadanMTMDigitalresourcevalue



Exercise2:MeasuringavoltageOntheMTMDevelopmentboard,connectawirefromoneDigitalpintoanAnaloginputpin.Inthisexample,seetheyellowjumperconnectingD1toAD0ontheMTM-USBStem:

Figure18:Exampleconnectiontomeasurevoltageofadigitaloutput

InStemTool,findtheAnalogresourcesectionandDigitalI/Oresourcesection.ChangetheconfigurationoftheD1resourcefromit’sdefault(input)toanoutput:

Figure19:UseStemTooltochangeD1configurationtodigitaloutput



TheA2D0isnowmeasuringthehighlogiclevelvoltageontheD1digitalpin.ToggletheD1outputvalueboxandyoucanseetheA2D0voltagemeasurementchange:

Figure20:UsingStemTooltoshowanalogvoltagemeasurmentofadigitaloutput

SincetheA2D1andA2D2inputsarenotconnectedtoanysignal,theyarefloatingandtheirmeasurementsindicatethatcase.



Exercise3:Settingananalogoutput,measuringananalogvoltageOntheMTMDevelopmentboard,connectawirefromananalogoutputtoananaloginput.Inthisexample,seetheredjumperwireconnectingA2D3(fixedconfigurationasanoutput)totheA2D1inputontheMTM-USBStem:

Figure21:Exampleconnectiontomeasureanalogvoltageofananalogsignal

InStemTool,findtheAnalogresourcesection.ChangethevalueoftheA2D3analogoutputbyusingthesliderortheentrybox.NotethattheA2D1valueisaffectedandwecanmeasuretheanalogvoltageoftheA2D3outputusingtheA2D1input:

Figure22:UsingStemToolforanalogmeasurements.A2D3outputvaluebeingmeasuredbyA2D1



Figure23:IncreasingA2D3outputvalueandmeasuringatA2D1



Exercise4:EnablingRoutingofaBrainStemNetworkInatestenvironment,multipleMTMmodulesareusuallypresent.TheBrainStemnetworkallowsforasinglehostconnectiontoonemoduletopassBrainStemcommandsanddatatoanyotherBrainStem-connectedmodule.Inthisexercise,wewillenableroutingofaBrainStemnetworkthroughthehost-connectedmodule.Afterdoingso,wewillthenbeabletoaccessresourcesorupdatefirmwareonanynetworkedmodules–allusingthesameUSBhostconnection.TheBrainStemnetworkwillroutecommandsappropriatelybetweenmodules.ToenabletheBrainStemnetwork,useStemTooltoenabletheRouteToMecommand.ThiswillinstructtheselectedmoduletonowbetheparentorroutinghubforallBrainStemnetworktraffic.AllattachedmodulesareconsideredchildmodulesintheBrainStemnetwork:

Figure24:EnableroutingoftheBrainStemnetworkontheselectedmodule

**NOTE**BrainStemroutingsettingsoftheparentandallchildmoduleswillremainuntil:(1)theRouteToMefunctionisdisabledviaStemTool,(2)theMTMDevelopmentBoardisresetviabuttonpushor(3)apowercycleconditionoccurs.



WiththeBrainStemnowenabledandroutedthroughtheparentMTM-USBStem,notetheotherwhicharenowMTMmodulesaccessible:

Figure25:MTMmodulesdiscoveredundertheparentmoduleontheBrainStemnetwork

SelecttheMTM-PM-1module.TheBrainStemheartbeaticonshouldbeenabled,indicatingcommunicationconnectionwiththatmodule.Thefunctionscreenshouldalsochangetoindicatethenewfunctionsoftheselectedmodule:

Figure26:SelectaroutedMTMmodule,notingtheavailableresourcesofthenewmodule



Exercise5:UsingmultipleMTMModules-AnalogMeasurementofaPowerRailOntheMTMDevelopmentboard,connectawirefromapowerrailtoanavailableanaloginput.Inthisexample,seethebrownjumperwireconnectingA2D2(analoginput)oftheMTM-USBStemtotheRail0outputontheMTM-PM-1programmablepowersupply:

Figure27:A2D2analoginputusedtomeasuretoRail0output

Figure28:ConnectingtoRail0SensepinonMTM-PM-1

EnabletheadjustableRail0outputandKelvinSenseoutputandsettheRail0voltagetoalevelyouwishtomeasure.Wehavechosen2.5Vforthisexample:



Figure29:EnabletheRail0adjustableoutputanditsKelvinSenseoutput

ReturntotheMTM-USBStemmoduleandnotethatA2D2isnowmeasuringthepreviouslysetvoltageenabledonMTM-PM-1Rail0:

Figure30:MeasuringMTM-PM-1Rail0voltageonMTM-USBStemA2D2



Congratulations!YouarenowfullyupandrunningwithMTMinstrumentation!Asanextstep,youcanimplementyourtestplanusingtheBrainStemAPIsanddesignalow-costfixturethatintegratesMTMinstrumentation.Pleaseseeourblog(www.acroname.com/blog)forlatestupdatesandvideotoursofourinstrumentationandothermanufacturingtesttools.Ifyouhaveanyquestions,concernsorcomments,pleasecontactusat:AcronameSales([email protected])orAcronameSupport([email protected])

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