Ingenu ULPENODE100 On-Ramp Wireless eNode User Manual eNode User Manual 010 0002 00

On-Ramp Wireless On-Ramp Wireless eNode eNode User Manual 010 0002 00

User Manual

DocumentNumber: 010‐0002‐00Version:V1.1Date:02/29/2010TheinformationdisclosedinthisdocumentisproprietarytoOn‐RampWireless,andisnottobeusedordisclosedtounauthorizedpersonswithoutthewrittenconsentofOn‐RampWireless.Therecipientofthisdocumentshallrespectthesecurityofthisdocumentandmaintaintheconfidentialityoftheinformationitcontains.Themastercopyofthisdocumentisstoredinelectronicformat,thereforeanyhardorsoftcopyusedfordistributionpurposesmustbeconsideredasuncontrolled.ReferenceshouldbemadetoOn‐RampWirelesstoobtainthelatestversion. Ultra‐LinkProcessing™eNodeUserManual
eNodeUserManual‐010‐0002‐002 On‐RampWireless,Inc. Document Control History Version Date Author Remarks 1.0 2/12/10 ORW Initial Release 1.1 2/29/10 ORW Updated with certification comments (Sect 4.3 and 4.4)
eNodeUserManual‐010‐0002‐003 On‐RampWireless,Inc. 1 TABLEOFCONTENTS1TABLEOFCONTENTS..............................................................................................................................31.1ListofFigures....................................................................................................................................................51.2ListofTables.....................................................................................................................................................52SCOPE............................................................................................................................................................62.1Whatdoesthisdocumentcover?......................................................................................................................62.2WhoshouldusethisManual?...........................................................................................................................62.3Referencedocuments.......................................................................................................................................63INTRODUCTION.........................................................................................................................................74APPROVALS................................................................................................................................................84.1FCC...................................................................................................................................................................84.2IndustryCanada................................................................................................................................................84.3Usage................................................................................................................................................................84.4Antennas..........................................................................................................................................................95ENODEOVERVIEWANDINTERFACES.............................................................................................105.1HardwareInterface.........................................................................................................................................105.1.1SPISlaveInterface.................................................................................................................................................105.1.2PinDescription......................................................................................................................................................115.1.3ElectricalCharacteristics.......................................................................................................................................125.1.4enodedimensions.................................................................................................................................................125.2SoftwareInterface..........................................................................................................................................135.3HostInterface.................................................................................................................................................135.3.1FunctionalDescription..........................................................................................................................................135.3.2HostInterfaceProtocol.........................................................................................................................................145.3.3SignalDescription.................................................................................................................................................145.3.4MasterRequest/SlaveReady..............................................................................................................................145.3.5SlaveRequest........................................................................................................................................................145.3.6OtherSignals.........................................................................................................................................................145.3.7SPIInterfaceDriver...............................................................................................................................................145.4SoftwareUpgradeProtocol.............................................................................................................................15
eNodeUserManual‐010‐0002‐004 On‐RampWireless,Inc.5.4.1Overview...............................................................................................................................................................155.4.2Requirements........................................................................................................................................................155.5NotesandRecommendations..........................................................................................................................15
eNodeUserManual‐010‐0002‐005 On‐RampWireless,Inc.1.1 LISTOFFIGURES Figure1On‐RampWirelessULPNetwork...............................................................................................................................7Figure2eNodeMechanicalDimensions................................................................................................................................12Figure3eNodeSPIinterface..................................................................................................................................................131.2 LISTOFTABLES Table1eNodePinDescription................................................................................................................................................11Table2eNodeSPISignalDefinition........................................................................................................................................14
eNodeUserManual‐010‐0002‐006 On‐RampWireless,Inc. 2 SCOPE2.1 WHATDOESTHISDOCUMENTCOVER?ThisdocumentdescribestheOn‐RampWirelessUltra‐LinkProcessing™(ULP)eNode.ItdescribestheuseoftheeNodewithinaULPwirelesspacketdatanetworkandthehardwareandsoftwareinterfacesofthedevice.2.2 WHOSHOULDUSETHISMANUAL?CustomersintegratingOn‐Ramp’seNodemoduleintotheirsensorandlocationtrackingsystems,referredtoasHostsinthisdocument.ForadditionaldetailsonhostapplicationintegrationwiththeeNodepleaserefertotheeNodeSpecificationsandProgrammingGuide. 2.3 REFERENCEDOCUMENTS
eNodeUserManual‐010‐0002‐007 On‐RampWireless,Inc.3 INTRODUCTIONTheULPwirelesspacketdatanetwork,comprisedofeNodesandAccessPointsoperatesatabreakthroughreceivesensitivityof‐142dBm.Thisdramaticincreaseinreceivesensitivityallowsforawirelessrangeof2,000milesinfreespaceand25xtherange(600xthecoverage)oftypicalwirelesssensorsystemswhilemaintainingasmallandlow‐costformfactorwithmulti‐yearbatteryoperation.TheULPeNodeisdesignedtoeasilyintegrate,viastandardinterfaces,withsensorsenablingrobustwirelesscommunicationwithoneormoreAccessPointsinterfacedwithacustomer’slocalorwideareanetwork.EachAccessPointsupportstensofthousandsofsensorsandcansimultaneouslydemodulatesignalsfromuptoa1000sensorsusingauniquepatentedmultipleaccessscheme.With172dBoftotalallowablepathloss(FCC/ICregulatoryregions)theULPnetworkcaneasilybedeployedusingastartopologyconfiguration,overcomingthelimitationsoflegacywirelesssensornetworks(802.11,802.15.4,900MHzFHSS)thatrequirecomplicatedmeshprotocolstoextendrangeoroperateinacapacitylimitedsimplexmode. Figure1On‐RampWirelessULPNetwork
eNodeUserManual‐010‐0002‐008 On‐RampWireless,Inc.4 APPROVALSTheeNodehasbeendesignedtomeetregulationsforworld‐wideuse.4.1 FCCThisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.Changesormodificationsnotexpresslyapprovedbythemanufacturercouldvoidtheuser’sauthoritytooperatetheequipment.Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:—Reorientorrelocatethereceivingantenna.—Increasetheseparationbetweentheequipmentandreceiver.—Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.—Consultthedealeroranexperiencedradio/TVtechnicianforhelp. 4.2 INDUSTRYCANADATheinstallerofthisradioequipmentmustensurethattheantennaislocatedorpointedsuchthatitdoesnotemitRFfieldinexcessofHealthCanadalimitsforthegeneralpopulation;consultSafetyCode6,obtainablefromHeathCanada’swebsitewww.hc‐sc.gc.ca/rpb.Operationissubjecttothefollowingtwoconditions:(1)thisdevicemaynotcauseinterference,and(2)thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthedevice.Toreducepotentialradiointerferencetootherusers,theantennatypeanditsgainshouldbesochosenthattheequivalentisotropicallyradiatedpower(e.i.r.p.)isnotmorethanthatpermittedforsuccessfulcommunication.4.3 USAGE FCCID:XTE‐ULPENODE100.IC:8655A‐ULPENODE100.Thisdeviceisonlyauthorizedforuseinmobileapplications.TomeetFCCandothernationalRFexposurerequirementstheantennaforthisdevicemustbeinstalledtoensureaseparationdistanceofatleast20cm(8inches)fromtheantennatoaperson.
eNodeUserManual‐010‐0002‐009 On‐RampWireless,Inc.4.4 ANTENNASThisdevicehasbeendesignedtooperatewiththeantennaslistedbelow,andhavingamaximumgainof5dB.Antennasnotincludedinthislistorhavingagaingreaterthan5dBarestrictlyprohibitedforusewiththisdevice.Therequiredantennaimpedanceis50ohms.5dBomni‐directionalantenna2dBomni‐directionalantenna1dBomni‐directionalantenna
eNodeUserManual‐010‐0002‐0010 On‐RampWireless,Inc. 5 ENODEOVERVIEWANDINTERFACESTheeNodeplatformprovidesULPmodemfunctionalityontheclientside.TheeNodeplatformhandlesPHY&MAClayers(L1andL2)fortheULPtechnology.TheeNodeplatformsupportsinterfacingoverSerialPeripheralInterface(SPI).TheeNodeeasilyintegrateswithSensororLocatingtrackingsystemusingthesoftwareandhardwareinterfacessupported.TheeNodeactsastheslavedeviceandexpectsthehostboardtoactasmaster. 5.1 HARDWAREINTERFACE5.1.1 SPISLAVEINTERFACETheSPISlaveeNodeInterfaceprovidescommunicationwithanexternalhostviaaserialperipheralinterface(SPI).ThehostistheSPImasterandtheeNodeistheSPIslave.InadditiontothestandardSPIsignals,ahost‐to‐nodewakeuprequest,anode‐to‐hoststatusandanode‐to‐hosttransmitrequestareincludedtosupporteNodestatetransitionsandbi‐directionalmessagetraffic.
eNodeUserManual‐010‐0002‐0011 On‐RampWireless,Inc. 5.1.2 PINDESCRIPTION Pin Name Pin # Pin Description Type Remark Master SlaveSPI-MISO J701, 8 Master In Slave Out In Out SPI Bus data line in the direction of slave to master. SPI-MOSI J701, 7 Master Out Slave In Out In SPI Bus data line in the direction of master to slave. SPI-SCLK J701, 6 Serial Clock Out In SPI Bus clock driven by master. Depending on how polarity and phase are configured, this clock’s edges indicate when the data on MISO and MOSI are valid. SPI-MRQ J703, 6 Master Request Out In Driven by the master to indicate to slave that SPI activity needs to take place. If the slave is sleeping, this signal will wake it up. When the slave detects this signal high, it must respond by driving Slave Ready high. SPI-SRDY J703, 7 Slave Ready In Out Driven by the slave to indicate to the master that it is awake and ready to perform SPI Bus transactions. SPI-SRQ J703, 8 Slave Request In Out Driven by the slave to indicate that it wishes to send a message over SPI Bus to the master. This is necessary since master drives the clock and this gives the slave a way to inform the master that the slave wishes the clock to be driven. SPI-CS0 J701, 5 SPI Chip Select Out In Used by Master to select which slave it is communicating with over SPI Bus RXD0 J701, 1 Serial 0 Receive Out In Reserved for future use. TXD0 J701, 2 Serial 0 Transmit In Out Reserved for future use. T_OUT J701, 3 TBD RESET J701, 4 eNode Reset Out In Provides Host with ability to reset the eNode. RXD1 J703, 3 Serial 1 Receive Reserved for future use TXD1 J703, 4 Serial 1 Transmit Reserved for future use VBATT1 J703, 1 VBATT2 J703, 2 GND J701, 9 GND J701, 10 GND J703, 5 GND J703, 9 GND J703, 10 Table 1 eNodePinDescription
eNodeUserManual‐010‐0002‐0012 On‐RampWireless,Inc.5.1.3 ELECTRICALCHARACTERISTICS ModulesignalsaredefinedasCMOScompatible3Vlevels.Theactual3Vlevelscouldbebetween3.0Vand3.6V. TheeNodeboardconvertstheinputvoltage(VBATT)toitsownrequiredvoltagelevels.Theinputvoltagerangeis2.4Vto5.5V. Theboardcanconsumeuptotwo(2)wattsduringtransmission,itsmaximumpowermode.ThepowersupplytotheeNodemustbeabletosupplyenoughcurrentatagivenoperatingvoltagetoprovidetwo(2)watts. TheeNodeisspecifiedtooperateoveratemperaturerangeof‐40Cto+85Cambienttemperature. SPIsignalsarepartofthe7‐wireSPIinterfacesystem RX/TXArepartoftheUART.UARTDevicesarereservedforfutureuseforgeneralModemcommunications.5.1.4 ENODEDIMENSIONSThe figure below shows the eNode dimensions. Figure 2 eNode Mechanical Dimensions
eNodeUserManual‐010‐0002‐0013 On‐RampWireless,Inc. 5.2 SOFTWAREINTERFACEOn‐Ramp’seNodeplatform’sSoftwareInterfaceincludesthenoderesidentSPIdriverfortheInterfaceHardwareandthenoderesidentmessagingapplication.Whilethedriverenablesthehardwarefordatatransfer,themessagingapplicationimplementsuserlevelmessageswhichenablethehosttocontrolthebehaviorofthenode.UsingthesemessagesthehostcancontroltheeNodeallthewayfromintegrationtodeployment,includingcommissioningandconfiguration.TheSPIdriverinitializesandmanagestheSPIhardware.TogetherwithSPIhardware,thedriverimplementstheSPIinterface.On‐Ramp’sSPIInterfacehasadditionalfeaturesthatsupportsleep&wake‐uprequests.TheHostinterfaceprovidesfunctionalitydescribedinnextsection.ThehostinterfacelayerishardwareindependentandcanrunonSPI.Note:TheSPIMasterdriverandHostInterfaceProtocolapplicationonthehostneedtobedevelopedbytheownerofthe‘host’.TheyarenotprovidedbyOn‐Ramp.Somesamplecodeisavailable. Figure 3 eNode SPI interface 5.3 HOSTINTERFACE5.3.1 FUNCTIONALDESCRIPTIONThehostinterfacesupportsthehigherlayermessagesfor: CommissioningtheeNodefromtheHost ConfiguringtheeNodefromtheHost ControllingthestartupandsteadystatebehavioroftheeNode TransferringpayloaddatatoandfromtheHost UpgradingtheSoftwareontheeNode.[Futurereleases] ExecutingasetofdiagnostictestsontheeNode.[Futurereleases] CollectingdebugdatafromtheeNode.[Futurereleases]ThemessagescanbebroadlyclassifiedasDebug,Configuration,andUserDatamessages.
eNodeUserManual‐010‐0002‐0014 On‐RampWireless,Inc.5.3.2 HOSTINTERFACEPROTOCOLOn‐Ramp’sULPeNode’shostinterfacesupportsreliabletransferofmessagesbetweenthehostandeNodeoverSPI.Tosupportthisfunctionality: Explicit‘Connect’and‘Disconnect’messagesaresupported. Eachhost‐to‐nodemessageisacknowledged.Thisisusefulinreliabilityandalsoforback‐pressure,wherethehostneedstoslowdownorstopsendingmessagestotheeNode.Thenode‐to‐hostmessagesdonothaveanyacknowledgements.TheeNodewillnotwaitforacknowledgements.TheeNodeexpectsthehosttobeabletoreceiveallmessagesandkeepupwiththeeNode. FortheSPIinterface,thehost(beingtheSPImaster)isexpectedtobefastenoughsoastonotblockvariousoperationsattheeNode.Ifthisisviolated,theeNodewillmissRX/TXevents.TheSPIDriverprovidesmethodsforbasicbit/bytetransport.TodothatthereareSPImessagerequests,SPImessageheadersandSPIpayload.TheSPIpayloadcontainstheHostInterfacemessage. 5.3.3 SIGNALDESCRIPTIONPinNamePinDescriptionTypeMaster SlaveMISOMasterInSlaveOutInOutMOSIMasterOutSlaveInOutInSCLKSerialClockOutInSSSlaveSelectOutInMRQMasterRequestOutInSRDYSlaveReadyInOutSRQSlaveRequestInOutTable 2 eNode SPI Signal Definition 5.3.4 MASTERREQUEST/SLAVEREADYBeforeinitiatingtransferstoandfromthenode,thehostmustensurethenodeisawakeandreadytoreceiveSPItrafficbydrivingMRQhighandwaitingforthenodeSPIslavetodriveSRDYhigh.AhighlevelonMRQwillwakeupasleepingnodeandwillpreventthenodefromgoingbacktosleep.5.3.5 SLAVEREQUESTThenoderequestsamessagetransferfromnode‐to‐hostbydrivingtheSRQhigh.Hoststhatsupportbi‐directionalSPItrafficrespondtoSRQbysendingamessagerequesttothenodeafterthecompletionofanyongoingtransfers.5.3.6 OTHERSIGNALSOthersignalsi.e.MISO,MOSI,SCLK,SSareasperSPIStandard.5.3.7 SPIINTERFACEDRIVERThenodeSPISlaveInterfacesoftwaredriverprovidesamessagingprotocolforinterfacingtoahostdevicerunninganOn‐RamphostSPImasterdriverandforinterfacingtoadevicerunningitsowndriver.
eNodeUserManual‐010‐0002‐0015 On‐RampWireless,Inc.TheOn‐RamphostSPImasterdriverusesamessagingprotocolthatisactiveonlyafterthehosthascompletedanarbitrationsequence.ThisallowsthenodetopasstrafficacrosstheSPIinterfacetobothahostandanon‐hostdevice.5.4 SOFTWAREUPGRADEPROTOCOL5.4.1 OVERVIEWThenodesupportsupgradingofitssoftwareviathehostSPIinterface.Thismechanismallowsahostwhichhasaccesstoanewsoftwareimagetotransfertheimagetoanattachednodeinsmallpiecesandhavethemwrittentoflash.Aftertheentireimagehasbeentransferredthenodeispoweredcycledtobootthenewsoftwareimage.5.4.2 REQUIREMENTSThenodemustbeintheidlestatewhenasoftwareupgradeisattempted.Thedurationofanupgradecycleisdependentonthehostbutisatleast180seconds.Powermustbemaintainedduringanupgradecycle.Powerlossduringanupgradecyclewillresultinanon‐functionalnode.5.5 NOTESANDRECOMMENDATIONSo TheeNodeprocessorisbasedonARMandhenceLittleEndian.o AttheSPIinterfacelevel Arbitrationneedstobetypicallydoneatstartuptimeandafterexitingoutofdeepsleepmodes.Inadditiontothenormalcase,theeNodesupportsArbitrationat‐will.Whenthehostinitiatesarbitration,theeNodewillcomply.Thiscouldbeusedtoexitoutoferrorconditions. eNodetoHostcommunicationtakespriorityoverHosttoeNode,astherearebufferwithlimitedsizesontheeNode.BufferoverflowscouldcauseunspecifiedresultsattheeNode.WhenthereisaraceconditionbetweenHost‐to‐eNodeandeNode‐to‐Hostdatatransferinitiation,thentheeNode‐to‐Hostisgivenpriority.ButifaHost‐to‐eNodetransferisinprogress,thentheeNodewillwaitforthetransfertocomplete.

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