cprebootsystemnow什么意思
rebootsystemnow什么意思 时间:2021-01-14 阅读:()
FutureTechnologyDevicesInternationalLimited(FTDI)Unit1,2SeawardPlace,CenturionBusinessPark,,GlasgowG411HHUnitedKingdomTel.
:+44(0)1414292777Fax:+44(0)1414292758E-Mail(Support):support1@ftdichip.
comWeb:http://www.
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comCopyright2009FutureTechnologyDevicesInternationalLimitedFutureTechnologyDevicesInternationalLtd.
TechnicalNoteTN_105AddingSupportforNewFTDIDevicestoMACSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverDocumentReferenceNo.
:FT_000107Version1.
1IssueDate:2009-09-23ThisFTDItechnicalnotedetailshowtoaddsupportfornewFTDIdevicestoMACFTDIVirtualCOMport(VCP)driver.
Italsodescribeshowtomodifyconfigurableparametersinthedriver.
Copyright2009FutureTechnologyDevicesInternationalLimited1DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85TableofContents1Introduction.
22ProcedureforAddingSupportforNewFTDIDevicestoMacDriver.
33Driverconfiguration(optional)43.
1ConfiguringPIDandVID.
43.
2AliasingBaudRates.
53.
3MIDIDevices63.
4LatencyTimer63.
5ReadBufferSize.
63.
6PortName.
74AcronymsandAbbreviations.
85ContactInformation.
9AppendixA–FormatofInfo.
plist.
11AppendixB-CreatingPackages.
18AppendixC-RevisionHistory.
21RevisionRecordSheet.
22Copyright2009FutureTechnologyDevicesInternationalLimited2DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#851IntroductionThistechnicalnoteshowsMACusersaneasywaytoaddsupportfornewFTDIdevicestoMACFTDIVirtualCOMportdriver.
Thedriverhasseveralparameters,whichareconfigurable,suchasbaudrate,latencytimer,readbuffersize,portnameandMIDIsupport.
TheseparametersaresetupintheConfigDatadictionary,anoptionalfieldinadeviceentry.
Foranexample,seethedeviceentryforFT2XXBinthelistingofInfo.
plistintheappendixA.
Copyright2009FutureTechnologyDevicesInternationalLimited3DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#852ProcedureforAddingSupportforNewFTDIDevicestoMacDriver1.
DownloadtheMacVCPdriverdiskimage(dmg)foryourappropriateprocessorfromtheFTDIwebsite:http://www.
ftdichip.
com/Drivers/VCP.
htm2.
InstalltheOEMversionoftheserialdriver.
Forinstructionshowtodoit,pleasedownloadMacOSXInstallationGuidefromlinkbelow.
http://www.
ftdichip.
com/Documents/InstallGuides/Mac_OS_X_Installation_Guide.
pdfFollowtheinstructionsintheguide.
3.
Afterrebootingyourcomputer,makesurethatdriverhasbeeninstalledsuccessfully.
InformationfromMac_OS_XInstallationGuidewillexplainyouhowtodoit.
4.
Havingconfirmedthatdriverhasinstalledsuccessfullycopy/System/Library/Extensions/FTDIUSBSerialDriver.
kexttoatemporarylocation.
ForexamplethetmpfolderinyourUsersfoldercanbeused.
OpenTerminalWindowbyclickingtheGomenuatthetopofyourscreenandchooseUtilities.
InpopupselectTerminalandtypeinthecommands:Mkdir/Users//tmp/FTDIUSBSerialDriver.
kextcp–R/System/Library/Extensions/FTDIUSBSerialDriver.
kext/Users//tmp/FTDIUSBSerialDriver.
kext5.
Nowhavingcopiedthefolderyoushoulddeletethe/System/Library/Extensions/FTDIUSBSerialDriver.
kextfolder.
rm–d-r/System/Library/Extensions/FTDIUSBSerialDriver.
kext6.
Inyourtemporarylocation(inourexample/Users//tmp),editthepropertylistfileFTDIUSBSerialDriver.
kext/Contents/Info.
plistThepropertylistfile,theinfo.
plistfile,canbeeditedwiththeAppledevelopertool,PropertyListEditor.
Forexample,TextEdit.
TheInfo.
plistfilecontainsentriesforvariousFTDIdevicesintheIOKitPersonalitiesdictionary.
AnewentryforanOEMdevicecanbecreatedbycopyingthepersonalityoftheequivalentFTDIdevice.
Inthesimplestcase,onlythenewdevice'snameandidProductkeyhavetobeprovided.
FTDIrecommendsthatnewOEMdevicepersonalitiesareaddedtotheplistfile,andexistingFTDIpersonalitiesareretained7.
Whentheinfo.
plistfileeditinghasbeencompletedandsaved,copytheFTDIUSBSerialDriver.
kextfromtemporarylocationbackto/System/Library/Extensions.
Inourexampleitwouldbethefollowingcommand:cp–R/Users//tmp/System/Library/Extensions8.
Rebootthecomputer.
Copyright2009FutureTechnologyDevicesInternationalLimited4DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#853Driverconfiguration(optional)SomeMACVCPdriverparametersareconfigurable,namelythebaudrate,latencytimer,readbuffersize,portnameandMIDIsupport.
TheseparametersaresetupintheConfigDatadictionary,anoptionalfieldinadeviceentry.
3.
1ConfiguringPIDandVIDTochangeidProduct(PID)itisnecessarytoaltervalueunderkeyidProductforyourtypeofthedevice.
ThevalueisstoredinDECIMAL.
Inordertogethexadecimalvalueof0x6001,theidProductkeyhastohavethedecimalvalueof24577.
ThesameappliestotheVID.
TochangeVIDitisnecessarytomodifyidVendorkeyasaDECIMALvalue.
Toenterhexadecimalequivalentof0x403,itisrequiredtousedecimal1027.
Thisisillustratedbelow,whichshowsanextractfromtheinfo.
plistfilefortheFT2XXBdevices.
FT2XXBCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverConfigDataLatencyTimer16MIDIIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1024idProduct24577idVendor1027Copyright2009FutureTechnologyDevicesInternationalLimited5DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#853.
2AliasingBaudRatesAliasedbaudratesaresupportedthroughtheBaudRatesdictionaryunderConfigData,anoptionalfieldinadeviceentry.
Aliasingabaudrateallowsausertoachievenon-standardbaudratevalues.
Forexample,aliasing300Baudwith250kBaudmeansthatthedevicewilloperateat250kBaudwhenever300Baudisselected.
Thisisillustratedbelow,whichshowsanextractfromtheinfo.
plistfile.
ConfigDataBaudRatesB300250000Theidentifiersforstandardbaudratesareasfollows:B300,B600,B1200,B2400,B4800,B9600,B19200,B38400,B57600,B115200andB230400.
Thealiasedvalueisadecimalinteger.
Morethanonebaudratecanbealiased.
Intheexamplebelow,whichisanextractfromtheinfo.
plistfile,thedeviceoperatesat250kBaudwhen300Baudisselectedand625kBaudwhen600Baudisselected.
Allotherstandardbaudratesareunaffected.
ConfigDataBaudRatesB300250000B600625000TheidentifierBAUDALLcanbeusedtosetadevicetooperateatasinglebaudrate.
Inthefollowingexample,thedevicewillonlyoperateat115200Baud.
ConfigDataBaudRatesBAUDALL115200Copyright2009FutureTechnologyDevicesInternationalLimited6DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#853.
3MIDIDevicesMIDIisMusicalInstrumentDigitalInterfacewhichisusedforinterconnectingdevicessuchassynthesizers,controllersandsequencers.
MIDIdevicescanbesupportedbysettingtheMIDIkeyunderConfigDatatotrue.
Hereissampleextractfromtheinfo.
plistfilehowtodoit.
ConfigDataMIDIThishastheeffectofaliasingB300to31250baud.
MIDIisabooleanvalue,anditsdefaultvalueisfalse.
3.
4LatencyTimerLatencyTimerhelpstospeedupthetransferofshortpackets.
Changingthedevice'slatencytimerissupportedthroughtheLatencyTimerkeyunderConfigData,anoptionalfieldinadeviceentry.
Forexample,thefollowingentryfromtheinfo.
plistfilewouldallowthedevicetooperatewithalatencytimerof8ms.
ConfigDataLatencyTimer8Thelatencytimervalueisadecimalintegerintherange1-255.
Itsdefaultvalueis16ms.
3.
5ReadBufferSizeReadBufferSizecanincreaseordecreasethespeedofthetransferofpackets,dependingontypeofthedatayouaretransferring.
Changingthedevice'sreadbuffersizeissupportedthroughtheInBufferSizekeyunderConfigData,anoptionalfieldinadeviceentry.
Inthefollowingexamplefromtheinfo.
plistfile,thereadbuffersizeissetto256bytes.
ConfigDataInBufferSize256Thereadbuffersizeisadecimalinteger.
Itsdefaultvalueis4096bytes.
Copyright2009FutureTechnologyDevicesInternationalLimited7DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#853.
6PortNameThePortnameisadescriptionstringassignedtoyourdevice.
Thisnamewillbeusedasalabelforyourdeviceinthesystem.
TheportnameofadevicecanbechangedthroughthePortNamekeyunderConfigData,anoptionalfieldinadeviceentry.
Inthefollowingexamplefromtheinfo.
plistfile,theportnameissettoMyGreatDevice.
ConfigDataPortNameMyGreatDeviceTheportnameisastring(ofupto63characters).
Itsdefaultvalueisusbserial.
Copyright2009FutureTechnologyDevicesInternationalLimited8DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#854AcronymsandAbbreviationsTermsDescriptionVCPVirtualComPortcpMacOSandUnixcommandforcopy.
–Rparametertellstoincludesubfolders.
Forfulldescriptionpleaseusemanual:cpmanrmMacOSandUnixcommandforremove/delete.
–dparametertellstoremovedirectories.
Forfulldescriptionpleaseusemanual:rmmanTerminalWindowAUnixandMacOSapplicationsimilartoWindows'"CommandPrompt"TextEditOneofthetexteditorsincludedinMacOSTable4.
1AcronymsandAbbreviationsCopyright2009FutureTechnologyDevicesInternationalLimited9DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
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:FTDI#855ContactInformationHeadOffice–Glasgow,UKFutureTechnologyDevicesInternationalLimitedUnit1,2SeawardPlace,GlasgowG411HHUnitedKingdomTel:+44(0)1414292777Fax:+44(0)1414292758E-mail(Sales)vinculum.
sales@ftdichip.
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support@ftdichip.
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Tel:+886(0)287971330Fax:+886(0)287519737E-mail(Sales)tw.
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admin1@ftdichip.
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ftdichip.
comBranchOffice–Hillsboro,Oregon,USAFutureTechnologyDevicesInternationalLimited(USA)7235NWEvergreenParkway,Suite600Hillsboro,OR97123-5803USATel:+1(503)5470988Fax:+1(503)5470987E-Mail(Sales)us.
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comBranchOffice–Shanghai,ChinaFutureTechnologyDevicesInternationalLimited(China)Room408,317XianxiaRoad,ChangNingDistrict,ShangHai,ChinaTel:+86(21)62351596Fax:+86(21)62351595E-Mail(Sales):cn.
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admin1@ftdichip.
comWebSiteURL:http://www.
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comCopyright2009FutureTechnologyDevicesInternationalLimited10DocumentReferenceNo.
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1ClearanceNo.
:FTDI#85DistributorandSalesRepresentativesPleasevisittheSalesNetworkpageoftheFTDIWebsiteforthecontactdetailsofourdistributor(s)andsalesrepresentative(s)inyourcountry.
Neitherthewholenoranypartoftheinformationcontainedin,ortheproductdescribedinthismanual,maybeadaptedorreproducedinanymaterialorelectronicformwithoutthepriorwrittenconsentofthecopyrightholder.
Thisproductanditsdocumentationaresuppliedonanas-isbasisandnowarrantyastotheirsuitabilityforanyparticularpurposeiseithermadeorimplied.
FutureTechnologyDevicesInternationalLtdwillnotacceptanyclaimfordamageshowsoeverarisingasaresultofuseorfailureofthisproduct.
Yourstatutoryrightsarenotaffected.
Thisproductoranyvariantofitisnotintendedforuseinanymedicalappliance,deviceorsysteminwhichthefailureoftheproductmightreasonablybeexpectedtoresultinpersonalinjury.
Thisdocumentprovidespreliminaryinformationthatmaybesubjecttochangewithoutnotice.
Nofreedomtousepatentsorotherintellectualpropertyrightsisimpliedbythepublicationofthisdocument.
FutureTechnologyDevicesInternationalLtd,Unit1,2SeawardPlace,CenturionBusinessPark,GlasgowG411HHUnitedKingdom.
ScotlandRegisteredNumber:SC136640Copyright2009FutureTechnologyDevicesInternationalLimited11DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85AppendixA–FormatofInfo.
plistCFBundleDevelopmentRegionEnglishCFBundleExecutableFTDIUSBSerialDriverCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverCFBundleInfoDictionaryVersion6.
0CFBundleNameI/OKitDriverforFTDIUSBDevicesCFBundlePackageTypeKEXTCFBundleShortVersionString2.
2.
10CFBundleSignatureCFBundleVersion2.
2.
10IOKitPersonalitiesFT2232H_ACFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1792idProduct24592Copyright2009FutureTechnologyDevicesInternationalLimited12DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85idVendor1027FT2232H_BCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber1bcdDevice1792idProduct24592idVendor1027FT2232_ACFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0idProduct24592idVendor1027FT2232_BCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassCopyright2009FutureTechnologyDevicesInternationalLimited13DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85FTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber1idProduct24592idVendor1027FT2XXBCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverConfigDataLatencyTimer16MIDIIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1024idProduct24577idVendor1027FT2XXRCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverCopyright2009FutureTechnologyDevicesInternationalLimited14DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85IOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1536idProduct24577idVendor1027FT4232H_ACFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice2048idProduct24593idVendor1027FT4232H_BCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber1Copyright2009FutureTechnologyDevicesInternationalLimited15DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85bcdDevice2048idProduct24593idVendor1027FT4232H_CCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber2bcdDevice2048idProduct24593idVendor1027FT4232H_DCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber3bcdDevice2048idProduct24593idVendor1027Copyright2009FutureTechnologyDevicesInternationalLimited16DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85FT8U2XXAMCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice512idProduct24577idVendor1027FTDIRecoveryPIDCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0idProduct24582idVendor1027OSBundleLibrariescom.
apple.
iokit.
IOSerialFamily1.
0.
4com.
apple.
iokit.
IOUSBFamily1.
8Copyright2009FutureTechnologyDevicesInternationalLimited17DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85Copyright2009FutureTechnologyDevicesInternationalLimited18DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85AppendixB-CreatingPackagesFordistributionpurposesacustomermaychosetocreateapackageforthedriver.
ThesimplestmechanismforcreatingapackageistousethefreePackageMakertoolprovidedbyApple.
ThePackageMakertoolislocatedin/Developer/Applicationsfolder.
Thisassumesthattheuserhasdownloadedandinstalledthedevelopertools.
Thisappendixwillshowhowtocreateasimplepackage.
FormoredetailedinstructionsonPackageMakerusagepleasevisittheApplewebsite.
Step1:Createadirectorystructuresuchas:Dummy_root-System-Library-Extensions-FTDIUSBSerialDriver.
kext-ContentInthislastfolder(Content)copyallyoureditedfilese.
g.
Info.
plist,MacOSandResourcesfromyour/tmp/FTDIUSBSerialDriver.
kext/Contentfolder.
Step2:OpenPackageMaker.
Thenewprojectscreen(shownbelow)willappear.
SelectSinglePackageProjecttobringupthenextscreen.
Copyright2009FutureTechnologyDevicesInternationalLimited19DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85Selectthecontentstabandaddtheusersrootdirectory/Users/myaccount/Dummy_root.
(Note:myaccountismyaccount).
Othersettingsmaybeleftasdefault.
SelecttheFilePermissionstabandsetupasshown.
ApplyanychangesrequiredtoyourfilesandselectOK.
Copyright2009FutureTechnologyDevicesInternationalLimited20DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85Theuserhastheoptiontonowupdatethepackageversioninformation,butfundamentallythepackageisreadytobuild.
FromthetoolbaratthetopofthescreenselectProject->Build.
Fromthenextscreenselectthedirectoryyouwanttosavethepackagetoandthefilenameyouwanttouse.
ThenselectSAVE.
Thepackageisnowbuilt.
Copyright2009FutureTechnologyDevicesInternationalLimited21DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85AppendixC-RevisionHistoryRevisionHistoryDraftInitialDraftNovember,2008Rev1.
0InitialRelease27thJanuary,2009Rev1.
1AddedAppendixBforcreatingapackage23rdSept2009
:+44(0)1414292777Fax:+44(0)1414292758E-Mail(Support):support1@ftdichip.
comWeb:http://www.
ftdichip.
comCopyright2009FutureTechnologyDevicesInternationalLimitedFutureTechnologyDevicesInternationalLtd.
TechnicalNoteTN_105AddingSupportforNewFTDIDevicestoMACSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverDocumentReferenceNo.
:FT_000107Version1.
1IssueDate:2009-09-23ThisFTDItechnicalnotedetailshowtoaddsupportfornewFTDIdevicestoMACFTDIVirtualCOMport(VCP)driver.
Italsodescribeshowtomodifyconfigurableparametersinthedriver.
Copyright2009FutureTechnologyDevicesInternationalLimited1DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#85TableofContents1Introduction.
22ProcedureforAddingSupportforNewFTDIDevicestoMacDriver.
33Driverconfiguration(optional)43.
1ConfiguringPIDandVID.
43.
2AliasingBaudRates.
53.
3MIDIDevices63.
4LatencyTimer63.
5ReadBufferSize.
63.
6PortName.
74AcronymsandAbbreviations.
85ContactInformation.
9AppendixA–FormatofInfo.
plist.
11AppendixB-CreatingPackages.
18AppendixC-RevisionHistory.
21RevisionRecordSheet.
22Copyright2009FutureTechnologyDevicesInternationalLimited2DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#851IntroductionThistechnicalnoteshowsMACusersaneasywaytoaddsupportfornewFTDIdevicestoMACFTDIVirtualCOMportdriver.
Thedriverhasseveralparameters,whichareconfigurable,suchasbaudrate,latencytimer,readbuffersize,portnameandMIDIsupport.
TheseparametersaresetupintheConfigDatadictionary,anoptionalfieldinadeviceentry.
Foranexample,seethedeviceentryforFT2XXBinthelistingofInfo.
plistintheappendixA.
Copyright2009FutureTechnologyDevicesInternationalLimited3DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#852ProcedureforAddingSupportforNewFTDIDevicestoMacDriver1.
DownloadtheMacVCPdriverdiskimage(dmg)foryourappropriateprocessorfromtheFTDIwebsite:http://www.
ftdichip.
com/Drivers/VCP.
htm2.
InstalltheOEMversionoftheserialdriver.
Forinstructionshowtodoit,pleasedownloadMacOSXInstallationGuidefromlinkbelow.
http://www.
ftdichip.
com/Documents/InstallGuides/Mac_OS_X_Installation_Guide.
pdfFollowtheinstructionsintheguide.
3.
Afterrebootingyourcomputer,makesurethatdriverhasbeeninstalledsuccessfully.
InformationfromMac_OS_XInstallationGuidewillexplainyouhowtodoit.
4.
Havingconfirmedthatdriverhasinstalledsuccessfullycopy/System/Library/Extensions/FTDIUSBSerialDriver.
kexttoatemporarylocation.
ForexamplethetmpfolderinyourUsersfoldercanbeused.
OpenTerminalWindowbyclickingtheGomenuatthetopofyourscreenandchooseUtilities.
InpopupselectTerminalandtypeinthecommands:Mkdir/Users//tmp/FTDIUSBSerialDriver.
kextcp–R/System/Library/Extensions/FTDIUSBSerialDriver.
kext/Users//tmp/FTDIUSBSerialDriver.
kext5.
Nowhavingcopiedthefolderyoushoulddeletethe/System/Library/Extensions/FTDIUSBSerialDriver.
kextfolder.
rm–d-r/System/Library/Extensions/FTDIUSBSerialDriver.
kext6.
Inyourtemporarylocation(inourexample/Users//tmp),editthepropertylistfileFTDIUSBSerialDriver.
kext/Contents/Info.
plistThepropertylistfile,theinfo.
plistfile,canbeeditedwiththeAppledevelopertool,PropertyListEditor.
Forexample,TextEdit.
TheInfo.
plistfilecontainsentriesforvariousFTDIdevicesintheIOKitPersonalitiesdictionary.
AnewentryforanOEMdevicecanbecreatedbycopyingthepersonalityoftheequivalentFTDIdevice.
Inthesimplestcase,onlythenewdevice'snameandidProductkeyhavetobeprovided.
FTDIrecommendsthatnewOEMdevicepersonalitiesareaddedtotheplistfile,andexistingFTDIpersonalitiesareretained7.
Whentheinfo.
plistfileeditinghasbeencompletedandsaved,copytheFTDIUSBSerialDriver.
kextfromtemporarylocationbackto/System/Library/Extensions.
Inourexampleitwouldbethefollowingcommand:cp–R/Users//tmp/System/Library/Extensions8.
Rebootthecomputer.
Copyright2009FutureTechnologyDevicesInternationalLimited4DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#853Driverconfiguration(optional)SomeMACVCPdriverparametersareconfigurable,namelythebaudrate,latencytimer,readbuffersize,portnameandMIDIsupport.
TheseparametersaresetupintheConfigDatadictionary,anoptionalfieldinadeviceentry.
3.
1ConfiguringPIDandVIDTochangeidProduct(PID)itisnecessarytoaltervalueunderkeyidProductforyourtypeofthedevice.
ThevalueisstoredinDECIMAL.
Inordertogethexadecimalvalueof0x6001,theidProductkeyhastohavethedecimalvalueof24577.
ThesameappliestotheVID.
TochangeVIDitisnecessarytomodifyidVendorkeyasaDECIMALvalue.
Toenterhexadecimalequivalentof0x403,itisrequiredtousedecimal1027.
Thisisillustratedbelow,whichshowsanextractfromtheinfo.
plistfilefortheFT2XXBdevices.
FT2XXBCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverConfigDataLatencyTimer16MIDIIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1024idProduct24577idVendor1027Copyright2009FutureTechnologyDevicesInternationalLimited5DocumentReferenceNo.
:FT_000107AddingSupportforNewFTDIDevicestoMacSerialDriverMaintenanceandconfigurationoftheFTDIMACVCPDriverTechnicalNoteTN_105Version1.
1ClearanceNo.
:FTDI#853.
2AliasingBaudRatesAliasedbaudratesaresupportedthroughtheBaudRatesdictionaryunderConfigData,anoptionalfieldinadeviceentry.
Aliasingabaudrateallowsausertoachievenon-standardbaudratevalues.
Forexample,aliasing300Baudwith250kBaudmeansthatthedevicewilloperateat250kBaudwhenever300Baudisselected.
Thisisillustratedbelow,whichshowsanextractfromtheinfo.
plistfile.
ConfigDataBaudRatesB300250000Theidentifiersforstandardbaudratesareasfollows:B300,B600,B1200,B2400,B4800,B9600,B19200,B38400,B57600,B115200andB230400.
Thealiasedvalueisadecimalinteger.
Morethanonebaudratecanbealiased.
Intheexamplebelow,whichisanextractfromtheinfo.
plistfile,thedeviceoperatesat250kBaudwhen300Baudisselectedand625kBaudwhen600Baudisselected.
Allotherstandardbaudratesareunaffected.
ConfigDataBaudRatesB300250000B600625000TheidentifierBAUDALLcanbeusedtosetadevicetooperateatasinglebaudrate.
Inthefollowingexample,thedevicewillonlyoperateat115200Baud.
ConfigDataBaudRatesBAUDALL115200Copyright2009FutureTechnologyDevicesInternationalLimited6DocumentReferenceNo.
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3MIDIDevicesMIDIisMusicalInstrumentDigitalInterfacewhichisusedforinterconnectingdevicessuchassynthesizers,controllersandsequencers.
MIDIdevicescanbesupportedbysettingtheMIDIkeyunderConfigDatatotrue.
Hereissampleextractfromtheinfo.
plistfilehowtodoit.
ConfigDataMIDIThishastheeffectofaliasingB300to31250baud.
MIDIisabooleanvalue,anditsdefaultvalueisfalse.
3.
4LatencyTimerLatencyTimerhelpstospeedupthetransferofshortpackets.
Changingthedevice'slatencytimerissupportedthroughtheLatencyTimerkeyunderConfigData,anoptionalfieldinadeviceentry.
Forexample,thefollowingentryfromtheinfo.
plistfilewouldallowthedevicetooperatewithalatencytimerof8ms.
ConfigDataLatencyTimer8Thelatencytimervalueisadecimalintegerintherange1-255.
Itsdefaultvalueis16ms.
3.
5ReadBufferSizeReadBufferSizecanincreaseordecreasethespeedofthetransferofpackets,dependingontypeofthedatayouaretransferring.
Changingthedevice'sreadbuffersizeissupportedthroughtheInBufferSizekeyunderConfigData,anoptionalfieldinadeviceentry.
Inthefollowingexamplefromtheinfo.
plistfile,thereadbuffersizeissetto256bytes.
ConfigDataInBufferSize256Thereadbuffersizeisadecimalinteger.
Itsdefaultvalueis4096bytes.
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6PortNameThePortnameisadescriptionstringassignedtoyourdevice.
Thisnamewillbeusedasalabelforyourdeviceinthesystem.
TheportnameofadevicecanbechangedthroughthePortNamekeyunderConfigData,anoptionalfieldinadeviceentry.
Inthefollowingexamplefromtheinfo.
plistfile,theportnameissettoMyGreatDevice.
ConfigDataPortNameMyGreatDeviceTheportnameisastring(ofupto63characters).
Itsdefaultvalueisusbserial.
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:FTDI#854AcronymsandAbbreviationsTermsDescriptionVCPVirtualComPortcpMacOSandUnixcommandforcopy.
–Rparametertellstoincludesubfolders.
Forfulldescriptionpleaseusemanual:cpmanrmMacOSandUnixcommandforremove/delete.
–dparametertellstoremovedirectories.
Forfulldescriptionpleaseusemanual:rmmanTerminalWindowAUnixandMacOSapplicationsimilartoWindows'"CommandPrompt"TextEditOneofthetexteditorsincludedinMacOSTable4.
1AcronymsandAbbreviationsCopyright2009FutureTechnologyDevicesInternationalLimited9DocumentReferenceNo.
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:FTDI#855ContactInformationHeadOffice–Glasgow,UKFutureTechnologyDevicesInternationalLimitedUnit1,2SeawardPlace,GlasgowG411HHUnitedKingdomTel:+44(0)1414292777Fax:+44(0)1414292758E-mail(Sales)vinculum.
sales@ftdichip.
comE-mail(Support)vinculum.
support@ftdichip.
comE-mail(GeneralEnquiries)admin1@ftdichip.
comWebSiteURLhttp://www.
ftdichip.
comWebShopURLhttp://www.
ftdichip.
comBranchOffice–Taipei,TaiwanFutureTechnologyDevicesInternationalLimited(Taiwan)2F,No.
516,Sec.
1,NeiHuRoadTaipei114Taiwan,R.
O.
C.
Tel:+886(0)287971330Fax:+886(0)287519737E-mail(Sales)tw.
sales1@ftdichip.
comE-mail(Support)tw.
support1@ftdichip.
comE-mail(GeneralEnquiries)tw.
admin1@ftdichip.
comWebSiteURLhttp://www.
ftdichip.
comBranchOffice–Hillsboro,Oregon,USAFutureTechnologyDevicesInternationalLimited(USA)7235NWEvergreenParkway,Suite600Hillsboro,OR97123-5803USATel:+1(503)5470988Fax:+1(503)5470987E-Mail(Sales)us.
sales@ftdichip.
comE-Mail(Support)us.
admin@ftdichip.
comWebSiteURLhttp://www.
ftdichip.
comBranchOffice–Shanghai,ChinaFutureTechnologyDevicesInternationalLimited(China)Room408,317XianxiaRoad,ChangNingDistrict,ShangHai,ChinaTel:+86(21)62351596Fax:+86(21)62351595E-Mail(Sales):cn.
sales@ftdichip.
comE-Mail(Support):cn.
support@ftdichip.
comE-Mail(GeneralEnquiries):cn.
admin1@ftdichip.
comWebSiteURL:http://www.
ftdichip.
comCopyright2009FutureTechnologyDevicesInternationalLimited10DocumentReferenceNo.
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:FTDI#85DistributorandSalesRepresentativesPleasevisittheSalesNetworkpageoftheFTDIWebsiteforthecontactdetailsofourdistributor(s)andsalesrepresentative(s)inyourcountry.
Neitherthewholenoranypartoftheinformationcontainedin,ortheproductdescribedinthismanual,maybeadaptedorreproducedinanymaterialorelectronicformwithoutthepriorwrittenconsentofthecopyrightholder.
Thisproductanditsdocumentationaresuppliedonanas-isbasisandnowarrantyastotheirsuitabilityforanyparticularpurposeiseithermadeorimplied.
FutureTechnologyDevicesInternationalLtdwillnotacceptanyclaimfordamageshowsoeverarisingasaresultofuseorfailureofthisproduct.
Yourstatutoryrightsarenotaffected.
Thisproductoranyvariantofitisnotintendedforuseinanymedicalappliance,deviceorsysteminwhichthefailureoftheproductmightreasonablybeexpectedtoresultinpersonalinjury.
Thisdocumentprovidespreliminaryinformationthatmaybesubjecttochangewithoutnotice.
Nofreedomtousepatentsorotherintellectualpropertyrightsisimpliedbythepublicationofthisdocument.
FutureTechnologyDevicesInternationalLtd,Unit1,2SeawardPlace,CenturionBusinessPark,GlasgowG411HHUnitedKingdom.
ScotlandRegisteredNumber:SC136640Copyright2009FutureTechnologyDevicesInternationalLimited11DocumentReferenceNo.
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:FTDI#85AppendixA–FormatofInfo.
plistCFBundleDevelopmentRegionEnglishCFBundleExecutableFTDIUSBSerialDriverCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverCFBundleInfoDictionaryVersion6.
0CFBundleNameI/OKitDriverforFTDIUSBDevicesCFBundlePackageTypeKEXTCFBundleShortVersionString2.
2.
10CFBundleSignatureCFBundleVersion2.
2.
10IOKitPersonalitiesFT2232H_ACFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1792idProduct24592Copyright2009FutureTechnologyDevicesInternationalLimited12DocumentReferenceNo.
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:FTDI#85idVendor1027FT2232H_BCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber1bcdDevice1792idProduct24592idVendor1027FT2232_ACFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0idProduct24592idVendor1027FT2232_BCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassCopyright2009FutureTechnologyDevicesInternationalLimited13DocumentReferenceNo.
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:FTDI#85FTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber1idProduct24592idVendor1027FT2XXBCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverConfigDataLatencyTimer16MIDIIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1024idProduct24577idVendor1027FT2XXRCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverCopyright2009FutureTechnologyDevicesInternationalLimited14DocumentReferenceNo.
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:FTDI#85IOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice1536idProduct24577idVendor1027FT4232H_ACFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice2048idProduct24593idVendor1027FT4232H_BCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber1Copyright2009FutureTechnologyDevicesInternationalLimited15DocumentReferenceNo.
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:FTDI#85bcdDevice2048idProduct24593idVendor1027FT4232H_CCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber2bcdDevice2048idProduct24593idVendor1027FT4232H_DCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber3bcdDevice2048idProduct24593idVendor1027Copyright2009FutureTechnologyDevicesInternationalLimited16DocumentReferenceNo.
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1ClearanceNo.
:FTDI#85FT8U2XXAMCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0bcdDevice512idProduct24577idVendor1027FTDIRecoveryPIDCFBundleIdentifiercom.
FTDI.
driver.
FTDIUSBSerialDriverIOClassFTDIUSBSerialDriverIOProviderClassIOUSBInterfacebConfigurationValue1bInterfaceNumber0idProduct24582idVendor1027OSBundleLibrariescom.
apple.
iokit.
IOSerialFamily1.
0.
4com.
apple.
iokit.
IOUSBFamily1.
8Copyright2009FutureTechnologyDevicesInternationalLimited17DocumentReferenceNo.
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:FTDI#85Copyright2009FutureTechnologyDevicesInternationalLimited18DocumentReferenceNo.
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:FTDI#85AppendixB-CreatingPackagesFordistributionpurposesacustomermaychosetocreateapackageforthedriver.
ThesimplestmechanismforcreatingapackageistousethefreePackageMakertoolprovidedbyApple.
ThePackageMakertoolislocatedin/Developer/Applicationsfolder.
Thisassumesthattheuserhasdownloadedandinstalledthedevelopertools.
Thisappendixwillshowhowtocreateasimplepackage.
FormoredetailedinstructionsonPackageMakerusagepleasevisittheApplewebsite.
Step1:Createadirectorystructuresuchas:Dummy_root-System-Library-Extensions-FTDIUSBSerialDriver.
kext-ContentInthislastfolder(Content)copyallyoureditedfilese.
g.
Info.
plist,MacOSandResourcesfromyour/tmp/FTDIUSBSerialDriver.
kext/Contentfolder.
Step2:OpenPackageMaker.
Thenewprojectscreen(shownbelow)willappear.
SelectSinglePackageProjecttobringupthenextscreen.
Copyright2009FutureTechnologyDevicesInternationalLimited19DocumentReferenceNo.
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:FTDI#85Selectthecontentstabandaddtheusersrootdirectory/Users/myaccount/Dummy_root.
(Note:myaccountismyaccount).
Othersettingsmaybeleftasdefault.
SelecttheFilePermissionstabandsetupasshown.
ApplyanychangesrequiredtoyourfilesandselectOK.
Copyright2009FutureTechnologyDevicesInternationalLimited20DocumentReferenceNo.
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:FTDI#85Theuserhastheoptiontonowupdatethepackageversioninformation,butfundamentallythepackageisreadytobuild.
FromthetoolbaratthetopofthescreenselectProject->Build.
Fromthenextscreenselectthedirectoryyouwanttosavethepackagetoandthefilenameyouwanttouse.
ThenselectSAVE.
Thepackageisnowbuilt.
Copyright2009FutureTechnologyDevicesInternationalLimited21DocumentReferenceNo.
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:FTDI#85AppendixC-RevisionHistoryRevisionHistoryDraftInitialDraftNovember,2008Rev1.
0InitialRelease27thJanuary,2009Rev1.
1AddedAppendixBforcreatingapackage23rdSept2009
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