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NI-VXI Software Manual for the VXIpc 800/700 Series

1. 3 29 Transfer Limit 3 30 Parity Checking 3 30 MXI Fair Requester 3 30 MXI CLK10 Signal 3 30 Chapter 4 Using the NI VXI Software Interactive Control of NI VXI 4 1 Example Programs 4 2 Programming Considerations 4 2 Memory Model DOS or Windows 3 1 Only 4 2 Multiple Applications Using the NI VXI Library 4 3 Low Level Access Functions 4 3 Setting User Handlers DOS or Windows 3 1 Only 4 3 Local Resource Access Functions 4 4 vxipc bk vxipc TOC Page vii Wednesday April 16 1997 9 50 AM Table of Contents NI VXI Software Manual for the VXIpc 800 700 viii National Instruments Corporation System Configuration Functio
2. 3 1 VXIpc Configuration Editor 3 3 Update Current Configuration 3 4 Record Configuration to File 3 4 Load Configuration from File 3 4 Revert to Current Configuration 3 5 Logical Address Configuration Editor 3 5 Device Settings 3 6 Logical Address 3 6 Device Type 3 6 Address Space 3 6 VXI Shared Memory 3 7 VXI Shared RAM Size 3 7 Shared RAM Pool 3 7 Advanced Shared RAM Settings 3 8 Upper Lower Half Window Byte Swapping 3 9 Upper Lower Half Window Address Mapping
3. 3 9 Resource Manager 3 9 Resource Manager Delay 3 9 Device Configuration Editor 3 10 Remote Controller Communication 3 10 System IRQ Level 3 10 Local Device Settings 3 11 Servant Area Size 3 11 Number of Handlers 3 12 Number of Interrupters 3 12 Protocol Register 3 12 Read Protocol Response 3 12 Bus Configuration Editor 3 13 VXI Bus Settings 3 13 Bus Timeout 3 13 Advanced VXI Bus Settings 3 14 Automatic Retry Protocol 3 14 Automatic VXI Slave Cycle Retry
4. 3 25 Figure 3 11 Advanced MXI Settings 3 29 vxipc bk vxipc TOC Page viii Wednesday April 16 1997 9 50 AM National Instruments Corporation ix NI VXI Software Manual for the VXIpc 800 700 About This Manual This manual contains instructions for installing and configuring the NI VXI bus interface software for Microsoft operating systems and the VXIpc 800 700 Series The NI VXI software works with all models of the National Instruments VXIpc 800 700 Series embedded computers The NI VXI software is fully VXIplug amp play compliant Microsoft operating systems include DOS Windows 3 1 Windows NT and Windows 95 This manual uses the term Windows 95 NT 3 1 when information applies to all three Windows operating systems Organization of This Manual This manual is organized as follows Chapter 1 Introduction describes the NI VXI software for the VXIpc 800 700 Series lists what you need to get started includes a brief description of the NI VXI software and lists optional software Chapter 2 NI VXI Software Installation contains the instructions for installing the NI VXI software Chapter 3 NI VXI Configuration Utility contains instructions for using the VXI Resource Editor utility of the NI VXI software to configure the VXIpc 800 700 Series embedded computer and the VXI MXI 2 or VME MXI 2 mainframe
5. 3 15 A24 A32 Write Posting 3 15 VXI Transfer Limit 3 16 Bus Arbitration Settings 3 16 Arbiter Type 3 16 Request Level 3 16 vxipc bk vxipc TOC Page vi Wednesday April 16 1997 9 50 AM Table of Contents National Instruments Corporation vii NI VXI Software Manual for the VXIpc 800 700 Fair Requester 3 17 Arbiter Timeout 3 17 PCI Bus Settings 3 17 User Window and Driver Window 3 17 Window Size 3 18 Below 1 MB 3 18 Window Base 3 19 VXI VME MXI 2 Configuration Editor 3 19 LA Selection and Logical Address 3 21 Address Space and Requested Memory 3 21 A16 Write Pos
6. Revert to Current Configuration If you made changes to the configuration settings without committing those changes writing to configuration EEPROM you can revert the configuration settings to the values they had before you made the changes Note You can successfully revert only if you have NOT yet selected the Update Current Configuration option Logical Address Configuration Editor Figure 3 3 shows the Logical Address Configuration Editor Notice that the options are arranged into three groups Device Settings VXI Shared Memory and Resource Manager The following paragraphs describe the options you can select for each of the fields Figure 3 3 Logical Address Configuration Editor vxipc bk 07ch3 frm Page 5 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 6 National Instruments Corporation Device Settings The Device Settings group contains the controls to set the logical address device type and address space of the VXIpc 800 700 Logical Address This parameter sets the logical address of the VXIpc 800 700 The following table shows the allowable range of values and the default value Device Type This field indicates the classification of the VXIpc 800 700 The default value is MBD designating a message based device The following table shows the available options The device type affects only the contents of the Device Class field
7. ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ If you find errors in the manual please record the page numbers and describe the errors ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Thank you for your help Name _________________________________________________________________________ Title __________________________________________________________________________ Company_______________________________________________________________________ Address ______________________________________________________
8. Backplane Bus VMEbus ANSI IEEE Standard 1155 1993 IEEE VMEbus Extensions for Instrumentation VXIbus vxipc bk 04atm frm Page xi Wednesday April 16 1997 9 50 AM About This Manual NI VXI Software Manual for the VXIpc 800 700 xii National Instruments Corporation ANSI VITA 1 1994 VME64 VXI 6 VXIbus Mainframe Extender Specification Rev 1 0 VXIbus Consortium Customer Communication National Instruments wants to receive your comments on our products and manuals We are interested in the applications you develop with our products and we want to help if you have problems with them To make it easy for you to contact us this manual contains comment and configuration forms for you to complete These forms are in Appendix C Customer Communication at the end of this manual vxipc bk 04atm frm Page xii Wednesday April 16 1997 9 50 AM National Instruments Corporation 1 1 NI VXI Software Manual for the VXIpc 800 700 Chapter1 Introduction This chapter describes the NI VXI software for the VXIpc 800 700 Series lists what you need to get started includes a brief description of the NI VXI software and lists optional software You should already have installed and configured the VXIpc 800 700 Series embedded computer according to the instructions in the VXIpc 800 700 Series User Manual The VXIpc 800 700 Series includes the two slot VXIpc 800 Series and the one slot VXIpc 700 Series This manual d
9. Figure 3 8 VXI VME MXI 2 Selection Dialog Box vxipc bk 07ch3 frm Page 19 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 20 National Instruments Corporation Select the device you want to configure from the Detected Boards list or you can select the User LA control and type in the device s logical address in the Logical Address field Click OK to enter the editor or Cancel to return to the main menu After finding a VXI VME MXI 2 the VXI VME MXI 2 Configuration Editor displays a panel as shown in Figure 3 9 that you can use to modify the configuration settings of that VXI VME MXI 2 The panel displays the current settings of the module Notice that it also shows the hardware revision and serial number of the VXI VME MXI 2 The title of the screen will reflect the model of the device you have For instance if you have a VXI MXI 2 the title will read VXI MXI 2 Configuration Editor as shown in the following screen Figure 3 9 VXI VME MXI 2 Configuration Editor vxipc bk 07ch3 frm Page 20 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 21 NI VXI Software Manual for the VXIpc 800 700 LA Selection and Logical Address You can set or modify the logical address of the VXI VME MXI 2 either within the VXI VME MXI 2 Configuration Editor itself or with the onboard 8 position DIP switch T
10. Logical Address 0 this setting is irrelevant Interrupt Request Levels Default Value 1 to 7 or disabled Disabled Servant Area Range Default Value 0 to 255 0 vxipc bk 07ch3 frm Page 11 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 12 National Instruments Corporation Number of Handlers This field gives the number of interrupt handlers that the VXIpc 800 700 supports Number of Interrupters This field gives the number of interrupters that the VXIpc 800 700 supports Protocol Register This field specifies the contents of the Protocol register indicating which protocols the device supports This field is meaningful only when the VXIpc 800 700 is configured as a message based device The default value is 0xFF0 Commander Signal Register Master Read Protocol Response This field specifies the response value to a Read Protocol command received by the VXIpc 800 700 from the Resource Manager if the VXIpc 800 700 is not the Resource Manager in your system This field is meaningful only when the VXIpc 800 700 is configured as a message based device The default value is 0x8448 Response Generation Event Generation Programmable Handler Word Serial Trigger Instrument Extended Longword Serial Longword Serial Interrupt Handlers Default Value 0 to 7 1 Interrupters Default Value 0 to 7 0 vxipc bk 07ch3 frm Page 12
11. Setup program Running INSTALL Run INSTALL EXE This program copies the necessary files to your hard drive and performs the necessary steps to install the NI VXI software for DOS to your system Caution In its default configuration the VXIpc 800 700 requests memory space for use by the NI VXI driver above the 1 MB DOS boundary To run your NI VXI software for the VXIpc 800 700 in DOS you must reconfigure the VXIpc 800 700 to request memory below the 1 MB DOS boundary To change the requested memory space you need to use the VXIedit program described in Chapter 3 NI VXI Configuration Utility Use the VXIpc Configuration Editor and access the Bus Configuration Editor menu Change the user and driver windows to be below the 1 MB boundary by enabling the Place below 1 MB checkboxes Please refer to the User Window and Driver Window section of Chapter 3 NI VXI Configuration Utility for more details vxipc bk 06ch2 frm Page 10 Wednesday April 16 1997 9 50 AM National Instruments Corporation 3 1 NI VXI Software Manual for the VXIpc 800 700 Chapter3 NI VXI Configuration Utility This chapter contains instructions for using the VXI Resource Editor utility of the NI VXI software to configure the VXIpc 800 700 Series embedded computer and the VXI MXI 2 or VME MXI 2 mainframe extender VXIEDIT EXE is the VXI resource editor program that you use to configure the system and to edit the manufacturer name and ID numbers the model nam
12. 700 Table of Contents About This Manual Organization of This Manual ix Conventions Used in This Manual x How to Use This Documentation Set xi Related Documentation xi Customer Communication xii Chapter 1 Introduction What You Need to Get Started 1 1 Software Description 1 2 Software Configurations 1 2 Optional Software 1 3 Chapter 2 NI VXI Software Installation Using the Windows Setup Program Windows 3 1 2 1 Installing the NI VXI Software 2 1 Modifying the AUTOEXEC BAT File 2 3 Completing the Software
13. Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 2 National Instruments Corporation by the application to find the different configuration files CFG table files TBL and help files HLP during its execution The default pathname used by the program if NIVXIPATH is not set is C NIVXI Under Windows 95 NT NI VXI uses the system registry for all the configuration information Most of the features on the VXIpc 800 700 are configurable through software using VXIedit rather than through hardware switches or jumpers on the board itself In addition the VXIedit utility can override some of the hardware settings Figure 3 1 shows the main menu of the VXIedit resource editor Figure 3 1 VXIedit Main Screen The rest of this chapter describes only the features of the VXIpc Configuration Editor and the VXI VME MXI 2 Configuration Editor For instructions on using the other editors refer to your software utility reference manual either the NI VXI Graphical Utilities Reference Manual or the NI VXI Text Utilities Reference Manual vxipc bk 07ch3 frm Page 2 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 3 NI VXI Software Manual for the VXIpc 800 700 VXIpc Configuration Editor Figure 3 2 shows the opening screen of the VXIpc Configuration Editor Notice that the screen displays the serial number and hardware revision of the VXIpc 800 7
14. INCLUDE paths if you use makefiles to build your projects and to the PATH variable if you plan to run the VXI utilities from the command line Completing the Software Installation After you execute Setup you should restart Windows 95 to make your system load the NI VXI driver After the NI VXI software is installed run RESMAN EXE which is the National Instruments Resource Manager You must run RESMAN every time the chassis power is cycled so that your application can access devices in the VXI VME chassis Notice that because Windows 95 supports the plug and play architecture you do not need to run VXIINIT EXE before you do any VXI operation After you run RESMAN you are ready to use the NI VXI Resource Editor program VXIedit to interactively configure the hardware in your system Continue with Chapter 3 NI VXI Configuration Utility for instructions on using the configuration editors in VXIedit Using the Windows Setup Program Windows NT You can use the Setup program that came with your NI VXI software to install the entire NI VXI software package a software update or to reinstall software in the event that your files were accidentally erased Follow these steps to install all or part of the NI VXI software Installing the NI VXI Software This section describes how to install the NI VXI software for the VXIpc 800 700 and Windows NT Please carefully read these directions along with any messages on the screen before making your
15. If RESMAN fails it marks the controller as FAILED VXIinit clears this condition so that you can run RESMAN again VXIinit also reads the current configuration and displays that information to the user Which NI VXI utility program must I use to perform startup Resource Manager operations Use the RESMAN program to perform startup Resource Manager operations RESMAN uses the settings in the Configuration Editor of VXIedit or VXIt edit It initializes your VXIbus system and stores the information that it collects to the RESMAN TBL file in the TBL subdirectory of the NIVXI directory What can I do to make sure that my system is up and running The fastest method for testing the system is to run RESMAN This program attempts to access memory in the upper A16 address space of each device in the system If RESMAN does not report any problems the VXI communication system is operational To test individual devices you can use the VIC or VICtext program to interactively issue NI VXI functions You can use the VXIin and VXIout functions or the VXIinReg and VXIoutReg functions to test register based devices by programming their registers If you have any message based devices you can send and receive messages with the WSwrt and WSrd functions Notice that VXIinReg and VXIoutReg are for VXI devices only vxipc bk 10appxb frm Page 2 Wednesday April 16 1997 9 50 AM Appendix B Common Questions National Instruments Corpor
16. Installation 2 4 Using the Windows Setup Program Windows 95 2 4 System Preparation 2 4 Installing the NI VXI Software 2 5 Modifying the Environment 2 7 Completing the Software Installation 2 7 Using the Windows Setup Program Windows NT 2 7 Installing the NI VXI Software 2 7 Modifying the Environment 2 9 Completing the Software Installation 2 9 Using the DOS INSTALL Program 2 10 Running INSTALL 2 10 vxipc bk vxipc TOC Page v Wednesday April 16 1997 9 50 AM Table of Contents NI VXI Software Manual for the VXIpc 800 700 vi National Instruments Corporation Chapter 3 NI VXI Configuration Utility Running the VXIedit Configuration Utility
17. Netherlands 0348 433466 0348 430673 Norway 32 84 84 00 32 84 86 00 Singapore 2265886 2265887 Spain 91 640 0085 91 640 0533 Sweden 08 730 49 70 08 730 43 70 Switzerland 056 200 51 51 056 200 51 55 Taiwan 02 377 1200 02 737 4644 U K 01635 523545 01635 523154 Fax on Demand Support E Mail Support currently U S only vxipc bk 11appc frm Page 2 Wednesday April 16 1997 9 50 AM Technical Support Form Photocopy this form and update it each time you make changes to your software or hardware and use the completed copy of this form as a reference for your current configuration Completing this form accurately before contacting National Instruments for technical support helps our applications engineers answer your questions more efficiently If you are using any National Instruments hardware or software products related to this problem include the configuration forms from their user manuals Include additional pages if necessary Name __________________________________________________________________________ Company _______________________________________________________________________ Address ________________________________________________________________________ _______________________________________________________________________________ Fax ___ ___________________ Phone ___ ________________________________________ Computer brand ________________ Model ________________ Processor___________________ Operat
18. Series for Windows 95 2 Select Run from the Start menu and enter the following text where X is your floppy drive usually A or B X setup exe and press lt Enter gt vxipc bk 06ch2 frm Page 5 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation NI VXI Software Manual for the VXIpc 800 700 2 6 National Instruments Corporation 3 Click on the Next button at the Welcome screen to start the installation Note If Setup detects a DOS Windows 3 1 or Windows 95 upgrade version it will warn you that this version will be deleted 4 Select the target directory for your installation Although Setup prompts you to accept the C NIVXI directory by default you can select a different location by clicking on Browse Caution If you have a previous version of the NI VXI software installed Setup can convert the configuration settings to the new format However manufacturer and model name files will not be preserved If you want to preserve these files you should exit the installation program now and make a backup before continuing 5 Select the components you want to install NI VXI for Windows 95 includes only the driver and utilities needed to configure and use your VXI or VME system Microsoft C C Development Files includes the components necessary to develop applications using the Microsoft Visual C compiler Please read the Modifying the Environment section if you choos
19. Update Current Configuration Use this option to write the configuration settings to the VXIpc 800 700 EEPROM and files used by NI VXI It configures the VXIpc 800 700 to be consistent with the configuration EEPROM Notice that some of the configuration settings cannot take effect until you reset the machine either by using the reset button or by turning the power off and on again Note You will not be able to use the lt Control Alt Del gt keystroke combination or the Windows Restart command to perform this reset Instead you must perform a hardware reset as described above Record Configuration to File With this option you can save your configuration settings to a file Notice that this option does not write the configuration settings to the VXIpc 800 700 configuration EEPROM If you want to update the VXIpc 800 700 configuration settings use the Update Current Configuration option instead Load Configuration from File You can use this option to load your configuration settings from a file This action only updates the configuration settings in your editor This does not write the configuration settings to the VXIpc 800 700 configuration EEPROM To update the configuration use the Update Current Configuration option for the changes to take effect vxipc bk 07ch3 frm Page 4 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 5 NI VXI Software Manual for the VXIpc 800 700
20. VXIpc 800 700 is seated properly in the mainframe 5 Power on the mainframe and observe whether the SYSFAIL and FAILED LEDs become unlit some time before the operating system boots Refer also to Appendix D LED Indicators in the VXIpc 800 700 Series User Manual Can I access 32 bit registers in my VXIbus system from the VXIpc 800 700 Yes The VXIpc 800 700 uses the 32 bit PCI bus to interface to the VXIbus In fact the VXIbus circuitry on the VXIpc 800 700 also supports the new VME64 standard for D64 accesses vxipc bk 10appxb frm Page 5 Wednesday April 16 1997 9 50 AM Appendix B Common Questions NI VXI Software Manual for the VXIpc 800 700 B 6 National Instruments Corporation What kind of signal is CLK10 and what kind of signal do I need for an external CLK10 CLK10 is a differential ECL signal on the VXIbus backplane However the oscillator for the VXIpc 800 700 series and the EXTCLK input on the VXIpc 800 Series front panel use TTL levels Therefore you need to supply a TTL level signal for EXTCLK Our voltage converters convert the signal to differential ECL You cannot drive CLK10 externally on the VXIpc 700 Series What is the accuracy of the CLK10 signal The CLK10 generated by the VXIpc 800 700 is 100 ppm 0 01 as per the VXIbus specification If you need a more accurate CLK10 signal on the VXIpc 800 Series you can use the EXTCLK connector on its front panel If I boot the computer without vid
21. _________________________________________________________ Shared RAM Pool _____________________________________________________________ Byte Swapping for Lower Half Window ___________________________________________ Byte Swapping for Upper Half Window ___________________________________________ Mapping Scheme for Lower and Upper Half Windows of VXI Shared RAM ______________ ____________________________________________________________________________ Resource Manager Delay _______________________________________________________ System IRQ Level _____________________________________________________________ Servant Area Size _____________________________________________________________ Number of Handlers ___________________________________________________________ Number of Interrupters _________________________________________________________ Protocol Register _____________________________________________________________ Read Protocol Response ________________________________________________________ VXI Bus Timeout _____________________________________________________________ Auto Retry Protocol ___________________________________________________________ Auto Retry VXI Slave Cycles ____________________________________________________ A24 A32 Write Posting ________________________________________________________ vxipc bk 11appc frm Page 5 Wednesday April 16 1997 9 50 AM VXI Transfer Limit _________________________________
22. documentation that came with your compiler package for detailed instructions about using the compiler and the various tools linker debugger and so on Your compiler documentation is an important and useful source of information for writing compiling and debugging C programs vxipc bk 08ch4 frm Page 7 Wednesday April 16 1997 9 50 AM National Instruments Corporation A 1 NI VXI Software Manual for the VXIpc 800 700 AppendixA NI VXI Software Overview This appendix lists and describes the main programs and files that make up the NI VXI software Main Programs and Files This section lists the main programs and files of the NI VXI software Note Any executable not listed in this section is used by the driver and should not be executed by the user directly VXIINIT EXE is the VXIpc 800 700 initialization program You can execute VXIinit from DOS Windows 95 NT the Windows 95 NT DOS shell or the Windows 3 1 DOS shell although the latter is not recommended This program initializes the VXIpc 800 700 It may be included in the DOS batch file AUTOEXEC BAT or the Windows Startup folder so that the VXIpc 800 700 is automatically initialized at startup The configuration settings can be modified using the VXIEDIT EXE or VXITEDIT EXE program RESMAN EXE is the National Instruments multiple mainframe Resource Manager You can execute RESMAN from DOS Windows 95 NT the Windows 95 NT DOS shell or the Windows 3 1 DOS s
23. due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace software media that do not execute programming instructions if National Instruments receives notice of such defects during the warranty period National Instruments does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work National Instruments will pay the shipping costs of returning to the owner parts which are covered by warranty National Instruments believes that the information in this manual is accurate The document has been carefully reviewed for technical accuracy In the event that technical or typographical errors exist National Instruments reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition The reader should consult National Instruments if errors are suspected In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PAR
24. masters Without bus masters there is no chance for deadlock You can configure the VXI VME MXI 2 devices in this mainframe for normal operating mode A VXI VMEbus mainframe with both masters and slaves but the masters communicate only with the slaves in their mainframe The masters never attempt transfers across the MXIbus so there is no chance for deadlock when a MXIbus master attempts a transfer into the VXI VMEbus mainframe You can configure the VXI VME MXI 2 devices in this mainframe for normal operating mode A VXI VMEbus mainframe in which all masters that perform cycles across the MXIbus support the VME64 RETRY protocol You can configure the VXI VME MXI 2 devices in this mainframe for normal operating mode because all masters that could cause a deadlock will automatically retry the operation vxipc bk 07ch3 frm Page 23 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 24 National Instruments Corporation VXI VME Bus Options Use the options in this group to control features of the VXI VMEbus interface on the VXI VME MXI 2 VMEbus System Controller You can use the System Controller control to override the jumper setting on the VXI MXI 2 The VME MXI 2 does not have an onboard jumper setting for this option When the Auto setting the default setting is active the onboard jumper setting determines if the VXI MXI 2 is the VXI Slot 0 devi
25. or VME system Microsoft C C Development Files includes the components necessary to develop applications using the Microsoft Visual C compiler Please read the Modifying the Environment section if you choose to install these files Borland C C Development Files includes the components necessary to develop applications using the Borland C C compiler Please read the Modifying the Environment section if you choose to install these files 6 Select the name of the program folder that will contain icons for the NI VXI software for VXIpc 800 700 At this point Setup copies the necessary files to your hard drive and creates program icons vxipc bk 06ch2 frm Page 8 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation National Instruments Corporation 2 9 NI VXI Software Manual for the VXIpc 800 700 7 When the installation process completes you must exit Windows and reboot your computer for the changes to take effect You can let the Setup program reboot your computer by selecting the Restart computer option on the last screen Click on Finish to end the installation 8 If you backed up the manufacturer and model name files you should restore them to the TBL subdirectory of your NI VXI directory before running VXIedit 9 You can now use VXIedit to configure the hardware in your VXI system Continue with Chapter 3 NI VXI Configuration Utility for instructions on using the configurati
26. the support directories Bulletin Board Support FTP Support vxipc bk 11appc frm Page 1 Wednesday April 16 1997 9 50 AM Fax on Demand is a 24 hour information retrieval system containing a library of documents on a wide range of technical information You can access Fax on Demand from a touch tone telephone at 512 418 1111 You can submit technical support questions to the applications engineering team through e mail at the Internet address listed below Remember to include your name address and phone number so we can contact you with solutions and suggestions support natinst com Telephone and Fax Support National Instruments has branch offices all over the world Use the list below to find the technical support number for your country If there is no National Instruments office in your country contact the source from which you purchased your software to obtain support Telephone Fax Australia 02 9874 4100 02 9874 4455 Austria 0662 45 79 90 0 0662 45 79 90 19 Belgium 02 757 00 20 02 757 03 11 Canada Ontario 905 785 0085 905 785 0086 Canada Quebec 514 694 8521 514 694 4399 Denmark 45 76 26 00 45 76 26 02 Finland 09 527 2321 09 502 2930 France 01 48 14 24 24 01 48 14 24 14 Germany 089 741 31 30 089 714 60 35 Hong Kong 2645 3186 2686 8505 Israel 03 5734815 03 5734816 Italy 02 413091 02 41309215 Japan 03 5472 2970 03 5472 2977 Korea 02 596 7456 02 596 7455 Mexico 5 520 2635 5 520 3282
27. this control The A24 A32 write posting control affects write cycles that map through the A24 window and A32 window from the VXI VMEbus to the MXIbus and vice versa This control also affects write cycles to the VXI VME MXI 2 itself via its requested memory space from both the VXI VMEbus and the MXIbus For more information on the A16 A24 and A32 windows refer to VXI 6 the VXIbus Mainframe Extender Specification Interlocked Mode Interlocked arbitration mode is an optional mode of operation in which at any given moment the system can perform as if it were one large VXI VMEbus mainframe with only one master of the entire system VXI VMEbus and MXIbus This mode of operation prevents deadlocks by interlocking all arbitration in the VXI VMEbus MXIbus system By default this option is disabled which puts the VXI VME MXI 2 in normal operating mode In normal operating mode non interlocked multiple masters can operate simultaneously in the VXI VMEbus MXIbus system A deadlock occurs when a MXIbus master requests use of a VXI VMEbus resource in another VXI VMEbus mainframe while a VXI VMEbus master in that mainframe is in the process of requesting a resource across the MXIbus When this situation occurs the VXI VMEbus master must give up its bus ownership to resolve the conflict The RETRY signal is used to terminate the transfer on the VMEbus however devices in the VXI VMEbus mainframe must be able to detect vxipc bk 07ch3 frm Page 2
28. to pointer dereferences at compile time for the VXIpc 800 700 Refer to the Compiling Your C Program section later in this chapter for more information on portability issues and to your NI VXI software reference manual for more information on low level VXIbus access functions Setting User Handlers DOS or Windows 3 1 Only You can set a user handler that will be invoked when certain conditions occur such as VXI signals and triggers by using functions such as SetSignalHandler in the NI VXI library However setting a new user handler replaces the existing handler meaning that the existing vxipc bk 08ch4 frm Page 3 Wednesday April 16 1997 9 50 AM Chapter 4 Using the NI VXI Software NI VXI Software Manual for the VXIpc 800 700 4 4 National Instruments Corporation handler will no longer be invoked when the condition occurs The following example illustrates the point SetSignalHandler 5 mySignalHandler1 mySignalHandler1 is now the handler for VXI signals from logical address 5 SetSignalHandler 5 mySignalHandler2 mySignalHandler1 is replaced by mySignalHandler2 as the new handler for VXI signals from logical address 5 DOS and Windows 3 1 Users Avoid running multiple applications that indiscriminately change user handlers or try to make sure that when the applications do change the user handlers they do so in a coordinated manner Setting new handlers while using multiple applications runs th
29. to your hard drive and creates Program Manager icons 7 Your AUTOEXEC BAT file needs to be modified to use NI VXI You can either let Setup modify the file create a different file or do nothing If you decide to not let Setup modify your AUTOEXEC BAT file you should make the necessary changes manually Refer to the following section Modifying the AUTOEXEC BAT File for complete details 8 When the installation process is complete you must exit Windows and reboot your computer for the changes to take effect You can let the Setup program reboot your computer by selecting the Restart computer option on the last screen Click on Finish to end the installation 9 You can now use VXIedit to configure the hardware in your VXI system Continue with Chapter 3 NI VXI Configuration Utility for instructions on using the configuration editors in VXIedit Modifying the AUTOEXEC BAT File If you choose to let Setup modify your AUTOEXEC BAT file it updates the setting of environment variables PATH LIB and INCLUDE to include the relevant subdirectories of the NI VXI directory When Setup modifies the file it saves the old file as AUTOEXEC OLD in the NI VXI directory The previously specified directories in PATH LIB and INCLUDE remain unchanged Setup also adds a new environment variable NIVXIPATH and appends a command line to execute VXIINIT EXE automatically If you choose not to let Setup modify your AUTOEXEC BAT file it creates a
30. you can choose from are 16 64 and 256 transfers If you do not want the VXIpc 800 700 to hold the VXIbus long enough to perform 256 transfers the default value you can use this control to select a smaller value Bus Arbitration Settings The following paragraphs describe the options for the Bus Arbitration portion of this editor Arbiter Type You can use the Arbiter Type feature to configure the VXIpc 800 700 as either a Priority or Round Robin VMEbus arbiter This control is applicable only if the VXIpc 800 700 you are configuring is a VXI Slot 0 device The default value is Priority When configured for Priority arbitration the VXIpc 800 700 grants the bus to the highest pending bus request level If you select Round Robin arbitration mode the VXIpc 800 700 grants the bus to the next highest bus request level after the level of the previous bus owner This effectively gives the same priority to each bus request level Refer to the VMEbus specification for more information on the different types of arbiters Request Level The VXIpc 800 700 uses one of the four VXIbus request levels 0 to 3 to request use of the VXI Data Transfer Bus DTB The VXIpc 800 700 requests use of the DTB whenever a local cycle maps into a VXIbus cycle The VXIpc 800 700 uses VXIbus request level 3 by default as required by the VXIbus specification This setting is suitable for most VXIbus systems However you can change the VXIpc 800 700 to use an
31. 00 board in addition to several configuration options The title of the screen will reflect the model of the controller that you have For instance if you have a VXIpc 850 the title will read VXIpc 850 Configuration Editor as shown in the following screen Figure 3 2 VXIpc Configuration Editor The first three options under the VXIpc Configuration Editor are Logical Address Configuration Editor Device Configuration Editor Bus Configuration Editor When making changes to the VXIpc 800 700 through these editors remember that the changes do not take effect until you commit them by selecting the Update Current Configuration option vxipc bk 07ch3 frm Page 3 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 4 National Instruments Corporation DOS Users If the VXIpc 800 700 driver window is located above 1 MB the program will prompt you for a memory location below 1 MB The memory location is a 32 KB window that allows VXIedit to access the VXIpc 800 700 registers This is due to a DOS limitation that restricts DOS programs from accessing memory above 1 MB Before proceeding to a description of each field in these editors review the remaining four options of the VXIpc Configuration Editor These options directly relate to how you can use the changes you make using the configuration editors which are described after the options
32. 1 frm Page 2 Wednesday April 16 1997 9 50 AM Chapter 1 Introduction National Instruments Corporation 1 3 NI VXI Software Manual for the VXIpc 800 700 Optional Software Your VXIpc 800 700 kit includes the NI VXI bus interface software In addition you can use the National Instruments LabVIEW and LabWindows CVI application programs and instrument drivers to ease your programming task These standardized programs match the modular virtual instrument capability of VXI and can reduce your VXI VMEbus software development time These programs are fully VXIplug amp play compliant and feature extensive libraries of VXI instrument drivers written to take full advantage of direct VXI control LabVIEW is a complete programming environment that departs from the sequential nature of traditional programming languages and features a graphical programming environment LabWindows CVI is an interactive C development environment for building test and measurement and instrument control systems It includes interactive code generation tools and a graphical editor for building custom user interfaces LabVIEW and LabWindows CVI include all the tools needed for instrument control data acquisition analysis and presentation When you order the LabVIEW Full Development System for Windows or the LabWindows CVI Full Development System for Windows you also get more than 500 complete instrument drivers which are modular source code programs that handle t
33. 2 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 23 NI VXI Software Manual for the VXIpc 800 700 a RETRY caused by a deadlock condition so that they can retry the operation Any master device that cannot detect the retry protocol will interpret the response as a BERR signal instead The VXI VME MXI 2 is shipped from the factory configured for normal operating mode non interlocked If MXIbus transfers will be occurring both into and out of the mainframe and the VXI VMEbus modules in your system do not have the capability for handling retry conditions you may want to configure the VXI VME MXI 2 for interlocked arbitration mode by clicking on the Enable checkbox In this mode no software provisions for deadlock conditions are required However parallel accesses in separate VXI VMEbus mainframes are no longer possible and system performance may be lower than in normal operating mode In a VXI VMEbus MXIbus system you can configure some VXI VME MXI 2 modules for normal operating mode and others for interlocked arbitration mode The VXI VMEbus mainframes configured in interlocked arbitration mode will be interlocked with each other and the mainframes configured for normal operating mode can perform transfers in parallel This type of system configuration is recommended if you have one of the following situations A VXI VMEbus mainframe with only slave devices and no
34. 700 and Windows 3 1 Please carefully read these directions along with any messages on the screen before making your selections You can quit the Setup program at any time by pressing the Cancel button If you do not have a mouse press the lt Esc gt key to perform the same action vxipc bk 06ch2 frm Page 1 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation NI VXI Software Manual for the VXIpc 800 700 2 2 National Instruments Corporation Setup is an interactive self guiding program that installs the NI VXI software and configures your system to use the NI VXI software with the VXIpc 800 700 Follow these steps to perform the installation 1 Insert the disk labeled NI VXI for VXIpc 800 700 for DOS Windows 2 Select Run from the Windows Program Manager s File menu and enter the following code where X is your floppy drive usually A or B X setup exe and press lt Enter gt 3 Click on the Next option at the Welcome screen to start the installation 4 Select the target directory for your installation Although Setup prompts you to accept a default directory you can select a different location by clicking on Browse If you do not already have NI VXI on your computer Setup prompts you to select the default directory of C NIVXI Setup detects if you already have a previous installation of NI VXI on your computer and prompts you to either overwrite the previous vers
35. 9 50 AM Glossary NI VXI Software Manual for the VXIpc 800 700 G 2 National Instruments Corporation a byte location in a given space Valid numbers for n are 16 24 and 32 In VME VXI because there are six address modifiers there are 64 possible address spaces address window A portion of address space that can be accessed from the application program ANSI American National Standards Institute ASIC application specific integrated circuit B B bytes backplane An assembly typically a printed circuit board with 96 pin connectors and signal paths that bus the connector pins A C size VXIbus system will have two sets of bused connectors called J1 and J2 A D size VXIbus system will have three sets of bused connectors called J1 J2 and J3 BERR Bus error signal BIOS Basic Input Output System BIOS functions are the fundamental level of any PC or compatible computer BIOS functions embody the basic operations needed for successful use of the computer s hardware resources BTO See Bus Timeout Unit Bus Timeout Unit A functional module that times the duration of each data transfer and terminates the cycle if the duration is excessive Without the termination capability of this module a bus master attempt to access a nonexistent slave could result in an indefinitely long wait for a slave response byte order How bytes are arranged within a word or how words are arranged within a longword Motorola ordering
36. Ipc 800 700 The following paragraphs describe the options for the PCI Bus Settings portion of the Bus Configuration Editor You can use these options to modify settings relating to how much PCI address space the MITE chip will use and where this space will be located User Window and Driver Window The VXIpc 800 700 driver requires the use of two PCI windows a user window and a driver window Calling the MapVXIAddress function allocates regions of the user window to your application VXIpeek and VXIpoke accesses are performed through this window NI VXI uses the driver window to perform high level functions such as VXIin and VXIout and to access MITE registers on the VXIpc 800 700 vxipc bk 07ch3 frm Page 17 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 18 National Instruments Corporation The windows are mapped to PCI base address registers and determine the amount of PCI memory space the VXIpc 800 700 requests from the PCI system during initialization You can set the window base window size and whether the window resides above or below the 1 MB address space boundary DOS Users If you are intending to use DOS applications note that DOS restricts programs from accessing memory above 1 MB Verify that the Place below 1 MB checkboxes for both the user window and the driver window are enabled Window Size The amount of space you ca
37. Ipc 800 700 before you perform any VXI operations and after each computer reset RESMAN is the National Instruments Resource Manager which you must run every time the chassis power is cycled so that your application can access devices in the VXI chassis After you run VXIinit and RESMAN you are ready to use the NI VXI Resource Editor program VXIedit to interactively configure the hardware in your system Continue with Chapter 3 NI VXI Configuration Utility for instructions on using the configuration editors in VXIedit Using the Windows Setup Program Windows 95 You can use the Setup program that came with your NI VXI software to install the entire NI VXI software package a software update or to reinstall software in the event that your files were accidentally erased Follow these steps to install all or part of the NI VXI software System Preparation If you are currently using either the NI VXI software for DOS Windows 3 1 or the NI VXI Windows 95 upgrade Setup will remove it before installing the new software You cannot have both the 16 bit and the 32 bit versions of NI VXI installed at the same time Note If you plan to run both 16 bit and 32 bit applications you should use the NI VXI Windows 95 upgrade version instead vxipc bk 06ch2 frm Page 4 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation National Instruments Corporation 2 5 NI VXI Software Manual for the VXIpc 800 700 If you have be
38. NI VXI Software Manual for the VXIpc 800 700 Series NI VXI Software Manual for the VXIpc 800 700 April 1997 Edition Part Number 321125E 01 Copyright 1996 1997 National Instruments Corporation All Rights Reserved support natinst com E mail info natinst com FTP Site ftp natinst com Web Address http www natinst com BBS United States 512 794 5422 BBS United Kingdom 01635 551422 BBS France 01 48 65 15 59 512 418 1111 Tel 512 795 8248 Fax 512 794 5678 Australia 02 9874 4100 Austria 0662 45 79 90 0 Belgium 02 757 00 20 Canada Ontario 905 785 0085 Canada Qu bec 514 694 8521 Denmark 45 76 26 00 Finland 09 527 2321 France 01 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 Israel 03 5734815 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico 5 520 2635 Netherlands 0348 433466 Norway 32 84 84 00 Singapore 2265886 Spain 91 640 0085 Sweden 08 730 49 70 Switzerland 056 200 51 51 Taiwan 02 377 1200 U K 01635 523545 National Instruments Corporate Headquarters 6504 Bridge Point Parkway Austin TX 78730 5039 Tel 512 794 0100 Internet Support Bulletin Board Support Fax on Demand Support Telephone Support U S International Offices vxipc bk 01Title frm Page 2 Wednesday April 16 1997 9 50 AM Important Information Warranty The media on which you receive National Instruments software are warranted not to fail to execute programming instructions
39. TICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the National Instruments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonable control Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporat
40. Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 13 NI VXI Software Manual for the VXIpc 800 700 Bus Configuration Editor Figure 3 6 shows the Bus Configuration Editor The following paragraphs describe the options you can select for each of the fields Figure 3 6 Bus Configuration Editor VXI Bus Settings The following paragraphs describe the options for the VXI Bus Settings portion of this editor Bus Timeout The Bus Timeout BTO is a watchdog timer for transfers on the VXIbus After the specified amount of time has elapsed the BTO circuitry terminates a VXIbus cycle if no slave has responded This control is applicable only if the VXIpc 800 700 you are configuring is a VXI Slot 0 device You should disable the BTO of any other non Slot 0 devices residing in the mainframe vxipc bk 07ch3 frm Page 13 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 14 National Instruments Corporation The lowest value in the allowable range is 15 s and the highest is 256 ms The default value is 500 s Advanced VXI Bus Settings Click on the Advanced button to reach additional configuration options for the VXI bus as shown in Figure 3 7 These options are intended for more advanced users Figure 3 7 Advanced VXI Bus Settings Automatic Retry Protocol When the Enable Auto Retry protoco
41. When this option is disabled which is the default value each half window maps to a unique local address on the VXIpc 800 700 Resource Manager The only option under the Resource Manager portion of the Logical Address Configuration Editor is the Resource Manager Delay control Resource Manager Delay Note This field is effective only when the VXIpc 800 700 is at its default logical address of 0 This logical address is required for the Resource Manager This field specifies the time in seconds that the Resource Manager RM waits before accessing any other VXIbus device s A16 configuration registers RM Delay Range Default Value 0 to 65535 s 5 vxipc bk 07ch3 frm Page 9 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 10 National Instruments Corporation Device Configuration Editor Figure 3 5 shows the Device Configuration Editor The following paragraphs describe the options you can select for each of the fields Figure 3 5 Device Configuration Editor Remote Controller Communication The only option under the Remote Controller Communication portion of the Device Configuration Editor is the System IRQ Level control System IRQ Level Remote controllers can report events such as triggers and DMA to the VXIpc 800 700 through a VXI IRQ line This field selects which VXI IRQ level the remote controllers should use to report such events vx
42. ____ Serial Number ________________________________________________________________ Hard Drive Size ______________________ Video Memory __________________________ vxipc bk 11appc frm Page 4 Wednesday April 16 1997 9 50 AM Processor Speed _______________________________________________________________ DRAM SIMMs Installed ________________________________________________________ Slot Location _________________________________________________________________ W1 Setting Slot 0 Detection ____________________________________________________ W3 Setting CMOS ____________________________________________________________ W6 Setting Ethernet EEPROM __________________________________________________ W7 Setting MITE User Factory Configuration ______________________________________ W10 Setting MITE Self Configuration ____________________________________________ W12 Setting External Trigger Input Termination ____________________________________ NI VXI Software Settings NI VXI Software Version Number ________________________________________________ Using VXIedit or VXItedit _____________________________________________________ VXIpc Configuration Editor Settings VXIedit Logical Address ______________________________________________________________ Device Type _________________________________________________________________ Address Space ________________________________________________________________ VXI Shared RAM Size
43. _________________ ______________________________________________________________________________ Phone ___ __________________________ Fax ___ _________________________________ Mail to Technical Publications Fax to Technical Publications National Instruments Corporation National Instruments Corporation 6504 Bridge Point Parkway 512 794 5678 Austin TX 78730 5039 vxipc bk 11appc frm Page 8 Wednesday April 16 1997 9 50 AM National Instruments Corporation G 1 NI VXI Software Manual for the VXIpc 800 700 Glossary A A16 space VXIbus address space equivalent to the VME 64 KB short address space In VXI the upper 16 KB of A16 space is allocated for use by VXI devices configuration registers This 16 KB region is referred to as VXI configuration space A24 space VXIbus address space equivalent to the VME 16 MB standard address space A32 space VXIbus address space equivalent to the VME 4 GB extended address space address Character code that identifies a specific location or series of locations in memory address space A set of 2n memory locations differentiated from other such sets in VXI VMEbus systems by six addressing lines known as address modifiers n is the number of address lines required to uniquely specify Prefix Meaning Value n nano 10 9 micro 10 6 m milli 10 3 K kilo 106 M mega 106 G giga 109 vxipc bk 12gloss frm Page 1 Wednesday April 16 1997
44. _______________________ The following steps reproduce the problem ____________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ vxipc bk 11appc frm Page 3 Wednesday April 16 1997 9 50 AM Hardware and Software Configuration Form Record the settings and revisions of your hardware and software on the line to the right of each item Complete a new copy of this form each time you revise your software or hardware configuration and use this form as a reference for your current configuration Completing this form accurately before contacting National Instruments for technical support helps our applications engineers answer your questions more efficiently National Instruments Products VXIpc 800 Series Hardware Settings VXIpc 800 Series Model Number ________________________________________________ Part Number _________________________________________________________________ Serial Number ________________________________________________________________ Hard Drive Size ______________________ Video Memory __________________________ Processor Speed_________
45. __________________________ Arbiter Type _________________________________________________________________ Request Level ________________________________________________________________ Fair Requester _______________________________________________________________ Arbiter Timeout ______________________________________________________________ User Window Size ____________________________________________________________ User Window Below 1 MB _____________________________________________________ User Window Base ____________________________________________________________ Driver Window Size ___________________________________________________________ Driver Window Below 1 MB ____________________________________________________ Driver Window Base __________________________________________________________ VXI VME MXI 2 Configuration Editor Settings VXIedit Logical Address ______________________________________________________________ LA Selection _________________________________________________________________ Address Space _______________________________________________________________ Requested Memory ____________________________________________________________ A16 Write Posting ____________________________________________________________ A24 A32 Write Posting ________________________________________________________ Interlocked or Normal Mode ____________________________________________________ VXI VME System Controller
46. ____________________________ Type of Video Board Installed ___________________________________________________ Operating System _____________________________________________________________ Operating System Version ______________________________________________________ Operating System Mode ________________________________________________________ Programming Language ________________________________________________________ Programming Language Version _________________________________________________ Other Boards in System ________________________________________________________ Monitor Manufacturer Model __________________________________________________ Mouse Manufacturer Model ___________________________________________________ Keyboard Manufacturer Model _________________________________________________ Other Peripherals Manufacturer Model __________________________________________ vxipc bk 11appc frm Page 7 Wednesday April 16 1997 9 50 AM Documentation Comment Form National Instruments encourages you to comment on the documentation supplied with our products This information helps us provide quality products to meet your needs Title NI VXI Software Manual for the VXIpc 800 700 Series Edition Date April 1997 Part Number 321125E 01 Please comment on the completeness clarity and organization of the manual ______________________________________________________________________________
47. ____________________________________________________ VXI VME Bus Timeout Value ___________________________________________________ Auto Retry for Cycles from VXI VMEbus to MXIbus ________________________________ Transfer Limit on VXI VMEbus _________________________________________________ VXI VME Arbiter Type ________________________________________________________ VXI VME Request Level _______________________________________________________ VXI VME Fair Requester ______________________________________________________ VXI VME Arbiter Timeout _____________________________________________________ MXI System Controller ________________________________________________________ MXI Bus Timeout Value _______________________________________________________ Auto Retry for Cycles from MXIbus to VXI VMEbus ________________________________ Transfer Limit on MXIbus ______________________________________________________ MXI Parity Checking __________________________________________________________ MXI Fair Requester ___________________________________________________________ MXI CLK10 Direction VXI MXI 2 only _________________________________________ vxipc bk 11appc frm Page 6 Wednesday April 16 1997 9 50 AM Other Products Mainframe Make and Model ____________________________________________________ Microprocessor _______________________________________________________________ Clock Frequency __________________________________
48. ______________________________________________________ DRAM SIMMs Installed _______________________________________________________ Slot Location ________________________________________________________________ W1 Setting SCSI Termination __________________________________________________ W2 Setting CMOS ___________________________________________________________ W4 Setting LPT1 DMA _______________________________________________________ W13 Setting Slot 0 Detection ___________________________________________________ S1 Setting Ethernet EEPROM __________________________________________________ S2 Setting MITE Self Configuration _____________________________________________ S3 Setting CLK10 Source ______________________________________________________ S4 Setting Inverted Non inverted CLK10 Output ___________________________________ S5 Setting CLK10 SMB ________________________________________________________ S6 Setting CLK10 Input Termination_____________________________________________ S7 Setting External Trigger Input Termination _____________________________________ S8 Setting GPIB IRQ Level ____________________________________________________ S9 Setting MITE User Factory Configuration ______________________________________ VXIpc 700 Series Hardware Settings VXIpc 700 Series Model Number ________________________________________________ Part Number _____________________________________________________________
49. alic text denotes emphasis a cross reference or an introduction to a key concept This font also denotes text from which you supply the appropriate word or value as in Windows 3 x italic monospace Italic text in this font denotes that you must supply the appropriate words or values in place of these items monospace Text in this font denotes text or characters that are to be literally input from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions variables filenames and extensions VXIpc 700 Series The terms VXIpc 700 Series and VXIpc 700 refer to a series of C size single slot VXI controllers Currently this series consists of the VXIpc 740 and VXIpc 745 VXIpc 800 Series The terms VXIpc 800 Series and VXIpc 800 refer to a series of C size dual slot VXI controllers Currently this series consists of the VXIpc 850 and VXIpc 860 with various processors and in different speeds VXIpc 800 700 Series The term VXIpc 800 700 Series refers to all models of the VXIpc 800 and VXIpc 700 Series vxipc bk 04atm frm Page x Wednesday April 16 1997 9 50 AM About This Manual National Instruments Corporation xi NI VXI Software Manual for the VXIpc 800 700 Abbreviations acronyms metric prefixes mnemonics symbols and terms are listed in the Glossary How to U
50. ation B 3 NI VXI Software Manual for the VXIpc 800 700 Finally if you are using LabVIEW or LabWindows CVI and you have instrument drivers for the devices in your chassis you can use the interactive features of these programs to quickly test the functionality of the devices What should I do if I get a Configuration EEPROM is Invalid message There are several reasons why you might get the Configuration EEPROM is Invalid message If you turned off the computer while the configuration update process was still in progress the VXIpc 800 700 will function normally except when using VXIedit To correct this problem switch to the factory configuration switch S9 on the VXIpc 800 Series jumper W7 on the VXIpc 700 Series reboot the computer and update the configuration or load the configuration from file For more details refer to the How to Fix an Invalid EEPROM Configuration section in either Chapter 3 VXIpc 800 Series Configuration and Installation or Chapter 4 VXIpc 700 Series Configuration and Installation in the VXIpc 800 700 Series User Manual Two other reasons you might receive this error message are that the board might have an incorrect base address assigned for the driver window or there may be a conflict with another adapter or memory management software The next two questions deal specifically with incorrect driver window base and memory conflict problems How do I fix an incorrect driver window base Run VXIinit and
51. ce For more information refer to your hardware user manual or your MXI 2 getting started manual Otherwise choose either the Yes or No option Notice that selecting either of these options overrides the onboard jumper setting on the VXI MXI 2 so it will not matter how the jumper is set You would need to run the VXI VME MXI 2 Configuration Editor again if you decide to change the VMEbus System Controller VXI Slot 0 setting at a later time Warning Do not install a VXI VME MXI 2 configured for VMEbus System Controller VXI Slot 0 into another slot without first reconfiguring it to either Non Slot 0 or automatic configuration Neglecting to do this could damage the VXI VME MXI 2 the VXI VMEbus backplane or both This means that you should use either the No option or the Auto option of this control For the VXI MXI 2 you also have the option of changing the hardware jumper setting VXI VME Bus Timeout Value The VXI VMEbus Bus Timeout BTO is a watchdog timer for transfers on the VMEbus Data Transfer bus After the specified amount of time has elapsed the BTO circuitry terminates a VMEbus cycle if no slave has responded The VXI VME MXI 2 must provide the VXI VMEbus BTO for proper operation because when a MXIbus cycle is involved the VXI VMEbus timeout must be disabled and the MXIbus BTO enabled You should disable the BTO of any other BTO module residing in the mainframe If this is not possible set its VXI Bus Timeout control to
52. check the driver and user window base and size values near the top of the display The driver window size must be 32 KB 0x8000 bytes The user window should be the size you have set up in VXIedit or you can keep the default value of 64 KB 0x100000 bytes Typically the base addresses will be either in the 0xC8000 to 0xE800 region immediately following the end of RAM installed in your computer for example if you have 16 MB of RAM the address will be of the form 0x10hhhhhh or at the end of the address space the address will be of the form 0xFhhhhhhh where h is a hexadecimal digit To correct the problem switch to the factory configuration as described in the previous topic If the problem disappears use VXIedit to correct the driver and user window placement If the problem persists it may indicate that BIOS is not configuring the MITE VXI interface correctly vxipc bk 10appxb frm Page 3 Wednesday April 16 1997 9 50 AM Appendix B Common Questions NI VXI Software Manual for the VXIpc 800 700 B 4 National Instruments Corporation Contact National Instruments for assistance In Windows 95 you can also use the Device Manager to check for problems by using the Resources page in the Properties dialog How do I resolve a memory conflict A memory conflict is the most likely cause for the Configuration EEPROM is Invalid error In most cases the configuration EEPROM is actually valid but VXIedit cannot read its contents beca
53. device vxipc bk 07ch3 frm Page 31 Wednesday April 16 1997 9 50 AM National Instruments Corporation 4 1 NI VXI Software Manual for the VXIpc 800 700 Chapter4 Using the NI VXI Software This chapter discusses programming information for you to consider when developing applications that use the NI VXI driver After installing the driver software you can begin to develop your VXI application software Be sure to check the README DOC file for the latest application development notes DOS and Windows 3 1 Users You must run the VXIinit initialization program before performing any VXI operations and after each computer reset You must also run RESMAN each time the chassis power is cycled so that your application can access devices in the VXI chassis Refer to the NI VXI User Manual and the NI VXI Programmer Reference Manual for an overview of NI VXI and detailed descriptions of the NI VXI functions Windows 95 NT 3 1 users can also access online help from the NI VXI folder Interactive Control of NI VXI The easiest way to learn how to communicate with your instruments is by controlling them interactively Use the VXI interactive control utility VIC to write to and read from your instruments This utility displays the status of your VXI transactions and informs you of any errors that occur Refer to the NI VXI Graphical Utilities Reference Manual for instructions on how to use VIC and to learn about its features If yo
54. e risk of one application inadvertently overwriting the handler that another application had set up causing disruptions and incorrect behavior Local Resource Access Functions By using VXIedit or VXItedit you can set up the VXIpc 800 700 to share the system memory on the VXIpc 800 700 motherboard with the VXI system Refer to the NI VXI Graphical Utilities Reference Manual or the NI VXI Text Utilities Reference Manual for more information on setting these parameters Notice that sharing the system memory with the VXI system does not mean that the entire range of shared system memory is available to be used for VXI transfers You need to be cautious in specifying the portion of memory you want to share as some areas are already used for other purposes Warning Use VXImemAlloc to allocate a buffer in the system memory that is reserved for your use only Using any range of addresses that was not returned from VXImemAlloc to receive data may cause your computer to crash or behave incorrectly Another factor to consider is that although you may have selected to share 8 MB you must also inform Windows 95 NT 3 1 how much memory to set aside for possible VXImemAlloc calls You can use the Shared Memory Pool option in VXIedit and VXItedit for this purpose But remember that the memory you put into this pool is no longer available to Windows If this setting is too large you may experience memory limitation problems when you run Windows v
55. e VXI VMEbus Notice that the VXI VME MXI 2 has a limit on the number of automatic retries it will perform on any one cycle If the limit is exceeded and the VXI VME MXI 2 receives another retry it will pass a retry back to the VXI VMEbus even though Auto Retry is enabled Transfer Limit You can use this feature to control how many data transfers the VXI VME MXI 2 will perform on the VXI VMEbus before releasing it to another master device that is requesting use of the bus The available options you can choose from are 16 64 and 256 transfers If you do not want the VXI VME MXI 2 to hold the VXI VMEbus long enough to perform 256 transfers the default value you can use this control to select a smaller value Arbiter Type You can use the Arbiter Type feature to configure the VXI VME MXI 2 as either a Priority or Round Robin VMEbus arbiter This control is applicable only if the VXI VME MXI 2 you are configuring is a VMEbus System Controller VXI Slot 0 device The default value is Priority When configured for Priority arbitration the VXI VME MXI 2 grants the bus to the highest pending bus request level If you select Round Robin arbitration mode the VXI VME MXI 2 grants the bus to the next highest bus request level after the level of the previous bus owner This effectively gives the same priority to each bus request level Refer to the VMEbus specification for more information on the different types of arbiters vxipc bk 07c
56. e certain that the environment variables LIB and INCLUDE are set correctly as described in Chapter 2 NI VXI Software Installation Also refer to the NI VXI Programmer Reference Manual for additional examples Programming Considerations The following paragraphs contain information for you to consider when developing DOS or Windows 95 NT 3 1 applications that use the NI VXI bus interface software This information applies to all four Microsoft operating systems unless otherwise noted Memory Model DOS or Windows 3 1 Only The NI VXI libraries were compiled using the large memory model All DOS applications must also be compiled for the large memory model However Windows 3 1 application programs that link with the NI VXI library can also use the medium compact or small memory models Because of this ability to use different memory models for your application you not only can take advantage of the efficiency inherent in small memory model programs but also run multiple instances of the application as well Normally you cannot run multiple instances of an application if it is a large memory model application vxipc bk 08ch4 frm Page 2 Wednesday April 16 1997 9 50 AM Chapter 4 Using the NI VXI Software National Instruments Corporation 4 3 NI VXI Software Manual for the VXIpc 800 700 Multiple Applications Using the NI VXI Library Multiple application support is another feature in the NI VXI library You can have several appl
57. e to install these files Borland C C Development Files includes the components necessary to develop applications using the Borland C C compiler Please read the Modifying the Environment section if you choose to install these files 6 Select the name of the program folder that will contain icons for the NI VXI software for VXIpc 800 700 At this point Setup copies the necessary files to your hard drive and creates program icons 7 When the installation process completes you must exit Windows and reboot your computer for the changes to take effect You can let the Setup program reboot your computer by selecting the Restart computer option on the last screen Click on Finish to end the installation 8 If you backed up the manufacturer and model name files you should restore them to the TBL subdirectory of your NI VXI directory before running VXIedit vxipc bk 06ch2 frm Page 6 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation National Instruments Corporation 2 7 NI VXI Software Manual for the VXIpc 800 700 9 You can now use VXIedit to configure the hardware in your VXI system Continue with Chapter 3 NI VXI Configuration Utility for instructions on using the configuration editors in VXIedit Modifying the Environment The installer does not modify the environment variables under Windows 95 No changes are necessary However you may want to add the NI VXI directory to your LIB and
58. ediately give a successful acknowledge to a write transfer and place the transfer in a local buffer The device can then independently complete the write cycle to the destination vxipc bk 12gloss frm Page 8 Wednesday April 16 1997 9 50 AM
59. en using your VXIpc 800 700 under Windows 95 with either the NI VXI software for DOS Windows 3 1 or the NI VXI Windows 95 upgrade you need to remove the Plug and Play information from the Windows 95 Device Manager before installing the new NI VXI software Follow these steps to remove the VXIpc 800 700 information 1 Double click on the System icon under Start Settings Control Panel 2 Select the Device Manager tab from the System Properties dialog that appears 3 Click on the View devices by type button and double click on the Other Devices icon 4 Select the VXIpc 800 700 from the list of devices under Other Devices It will appear under the name PCI Card or PCI Bridge and will have a circled exclamation point through the question mark icon 5 Click on the Remove button 6 Click OK to exit the Device Manager after removing the device information Installing the NI VXI Software This section describes how to install the NI VXI software for the VXIpc 800 700 and Windows 95 Please carefully read these directions along with any messages on the screen before making your selections You can quit the Setup program at any time by pressing the Cancel button Setup is an interactive self guiding program that installs the NI VXI software and configures your system to use the NI VXI software with the VXIpc 800 700 Follow these steps to perform the installation 1 Insert the disk labeled NI VXI for VXIpc 800 700
60. endix A NI VXI Software Overview National Instruments Corporation A 3 NI VXI Software Manual for the VXIpc 800 700 WS H contains parameter and return values for the Commander and Servant Word Serial functions NIVXI INC is the include file for the Visual Basic for DOS language interface vxipc bk 09appxa frm Page 3 Wednesday April 16 1997 9 50 AM National Instruments Corporation B 1 NI VXI Software Manual for the VXIpc 800 700 AppendixB Common Questions This appendix addresses common questions you may have about using the NI VXI bus interface software on the VXIpc 800 700 platform How can I determine which version of the NI VXI software I have installed The 32 bit driver components all have version resources Under Windows 95 and Windows NT 4 0 you can find out version information by right clicking on any component and selecting the Properties option This will display a property sheet with a version tab This tab has version information about the product NI VXI and the component NIVXINT DLL for example You can also find out version information if you run the NI VXI utility program VIC or VICtext At the prompt type ver and the utility will display the versions of VIC VICtext and NI VXI and the latest VXIpc 800 700 hardware revision that this NI VXI driver supports How can I determine the revision of the VXIpc 800 700 that my NI VXI software supports Running the NI VXI utility program VICtex
61. eo and then plug in the video why is it in black and white When the computer first boots the video chips try to synchronize with the monitor If the monitor is not there the video chips cannot synchronize and establish color You need to have the monitor attached at boot time to get color I ve installed the SCSI software Why doesn t the VXIpc 800 Series recognize my SCSI device This problem usually occurs when SCSI has not been enabled in the BIOS Enter your BIOS by pressing lt DEL gt at boot time In the Setup window click on the Chipset icon Select the On Board PCI SCSI option and enable it What type of video interface is present onboard the VXIpc 800 700 What video drivers are included with the VXIpc 800 700 Can I use Super VGA with my VXIpc 800 700 If my application requires a special type of video display how do I configure my VXIpc 800 700 The VXIpc 800 700 uses the Trident Microsystems TGUI96xx chip family a combination graphics accelerator and RAMDAC The TGUI9660 is the first chip used from this family Succeeding pin compatible chips will follow The chips in this family are compatible with the Standard VGA video output MS Windows video driver as well as the Trident Microsystems video driver For information on the Trident driver refer to the information in the images manual video directory for your operating system vxipc bk 10appxb frm Page 6 Wednesday April 16 1997 9 50 AM Appendix B Common Que
62. eout because there will be no delay due to the inward cycles being retried Note The VXIpc 800 has a limit on the number of automatic retries it will perform on any one cycle If the limit is exceeded and the VXIpc 800 receives another retry it will pass a retry or BERR depending on whether the Enable Auto Retry protocol checkbox is checked to the VXIbus even though the Automatically retry VXI slave cycles checkbox is checked A24 A32 Write Posting The VXIpc 800 700 can increase performance with its capability to post write cycles from the VXIbus Write cycles should be posted only to addresses that cannot return a BERR signal because the BERR will not be reported to the originating master By default this option is enabled The A24 A32 write posting control affects write cycles to the VXIpc 800 700 via its requested memory space from the VXIbus When this option is enabled the VXIpc 800 700 completes a VXIbus write cycle before writing the data from the cycle to the local destination on the VXIpc 800 700 vxipc bk 07ch3 frm Page 15 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 16 National Instruments Corporation VXI Transfer Limit You can use the Transfer Limit control to set how many data transfers the VXIpc 800 700 will perform on the VXIbus before releasing it to another master device that is requesting use of the bus The available options
63. es of VXI and non VXI devices in the system and the system interrupt configuration information This program also displays the system configuration information generated by the Resource Manager The displays shown in this section are from the Windows 95 version of VXIedit The Windows NT Windows 3 1 and DOS versions of VXIedit have the same organization and functionality as the Windows 95 version although the displays may look slightly different The descriptions and instructions in this chapter apply to all versions of VXIedit VXIpc 860 Users The VXIpc 860 is designed for use with Windows 95 NT only Note A text based version VXItedit is also available as an alternative You can run VXItedit in either Windows 95 NT 3 1 or DOS Although this chapter focuses only on the graphical VXIedit program the two programs are functionally equivalent For information on VXItedit refer to the NI VXI Text Utilities Reference Manual Running the VXIedit Configuration Utility To run VXIedit in Windows 95 NT 3 1 double click the VXIedit Windows icon in the NI VXI group To run VXIedit in DOS type VXIEDIT at the DOS command prompt In DOS you can run VXIedit from any directory but make sure that both the PATH and NIVXIPATH environment variables have the destination directory of the NI VXI software added to it Under Windows 3 1 and DOS NIVXIPATH is used vxipc bk 07ch3 frm Page 1 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI
64. escribes these computers together as the VXIpc 800 700 Series when functionality applies to all models The VXIpc 800 700 Series controllers are C size embedded computers based on the Peripheral Component Interface PCI bus and Industry Standard Architecture ISA These computers are high performance easy to use platforms for controlling VXIbus systems featuring complete VXI functionality through interactive utilities and function calls for C and BASIC What You Need to Get Started K VXIpc 800 700 Series embedded computer and accessories K VXIbus mainframe K NI VXI software media for the VXIpc 800 700 Series The NI VXI software is already installed on your VXIpc 800 700 computer It is also included on disk in case you need to reinstall your software vxipc bk 05CH1 frm Page 1 Wednesday April 16 1997 9 50 AM Chapter 1 Introduction NI VXI Software Manual for the VXIpc 800 700 1 2 National Instruments Corporation Software Description The NI VXI bus interface software for the VXIpc 800 700 Series includes a VXI Resource Manager graphical and text based versions of an interactive VXI resource editor program a comprehensive library of software routines for VXI VME programming and an interactive control program You can use this software to seamlessly control multiple mainframe configurations and have software compatibility across a variety of VXI VME controller platforms Software Configurations There are fou
65. extender Chapter 4 Using the NI VXI Software discusses programming information for you to consider when developing applications that use the NI VXI driver Appendix A NI VXI Software Overview lists and describes the main programs and files that make up the NI VXI software Appendix B Common Questions addresses common questions you may have about using the NI VXI bus interface software on the VXIpc 800 700 platform vxipc bk 04atm frm Page ix Wednesday April 16 1997 9 50 AM About This Manual NI VXI Software Manual for the VXIpc 800 700 x National Instruments Corporation Appendix C Customer Communication contains forms you can use to request help from National Instruments or to comment on our products and manuals The Glossary contains an alphabetical list and description of terms used in this manual including abbreviations acronyms metric prefixes mnemonics and symbols Conventions Used in This Manual The following conventions are used in this manual lt gt Angle brackets enclose the name of a key on the keyboard for example lt Page Down gt The symbol indicates that the text following it applies only to a specific product a specific operating system or a specific software version bold Bold text denotes the names of menus menu items dialog box buttons or options or LEDs bold italic Bold italic text denotes a note caution or warning italic It
66. f RAM in bytes that are shared in either A24 or A32 space This determines the total shared RAM size Setting this field to All System RAM will detect how much memory you have installed in your VXIpc 800 700 and request the same amount of A24 or A32 space Note If you have more than 8 MB installed in your VXIpc 800 700 the All System RAM setting is allowed only if you use A32 memory space Shared RAM Pool This field indicates the size of memory in kilobytes that is allocated on Windows startup This is physically contiguous memory that can be dual ported on the VXIbus The shared RAM pool is used by the VXImemAlloc function calls from both Windows applications and DOS applications running under Windows For information on the VXImemAlloc function refer to the NI VXI User Manual and the NI VXI Programmer Reference Manual vxipc bk 07ch3 frm Page 7 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 8 National Instruments Corporation If you make a change to this setting you must restart Windows 95 NT 3 1 to enable the change Caution This memory pool is allocated at Windows 95 NT 3 1 startup and Windows is denied access to this memory Take into account the memory requirements of Windows and your applications and the amount of RAM in your system before setting this option Advanced Shared RAM Settings Click on the Advanced button to reach addi
67. file called AUTOEXEC VXI in the NI VXI directory Refer to the AUTOEXEC VXI file for suggestions on how to change the following lines manually The PATH variable should include the full path to the subdirectory where the NI VXI utilities and NIVXI DLL are located in addition to whatever other directories you have already specified in PATH The path must be specified so that Windows can locate the executable code when the library needs to be loaded Normally these files reside in the root of the NI VXI directory and also the WIN subdirectory vxipc bk 06ch2 frm Page 3 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation NI VXI Software Manual for the VXIpc 800 700 2 4 National Instruments Corporation The LIB variable should include the full path to the subdirectories that contain the C libraries for the compiler you choose to install The INCLUDE variable should include the full path to the subdirectory that contains the NI VXI include files By default the include files reside in the INCLUDE subdirectory of the NI VXI directory The NIVXIPATH variable should contain the full path to the NI VXI directory Completing the Software Installation After you execute Setup you should exit Windows and reboot your machine to make your system aware of the NI VXI directory After the NI VXI software is installed run VXIINIT EXE and then RESMAN EXE You need to run VXIinit to initialize the VX
68. g unit DRAM Dynamic RAM Random Access Memory storage that the computer must refresh at frequent intervals driver window A region of address space that is decoded by the VXIpc 800 700 for use by the NI VXI software DTB See Data Transfer Bus E ECL Emitter Coupled Logic EEPROM Electronically Erasable Programmable Read Only Memory vxipc bk 12gloss frm Page 3 Wednesday April 16 1997 9 50 AM Glossary NI VXI Software Manual for the VXIpc 800 700 G 4 National Instruments Corporation embedded controller An intelligent CPU controller interface plugged directly into the VXI backplane giving it direct access to the VXIbus It must have all of its required VXI interface capabilities built in F fair requester A VXIbus device that will not arbitrate for the VXIbus after releasing it until it detects the bus request signal inactive This ensures that all requesting devices will be granted use of the bus G GPIB General Purpose Interface Bus IEEE 488 H hex hexadecimal the numbering system with base 16 using the digits 0 to 9 and letters A to F Hz hertz cycles per second I IEEE Institute of Electrical and Electronics Engineers I O input output the techniques media and devices used to achieve communication between machines and users interrupt A means for a device to request service from another device interrupt handler A VMEbus functional module that detects interrupt requests genera
69. h3 frm Page 26 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 27 NI VXI Software Manual for the VXIpc 800 700 Request Level The VXI VME MXI 2 uses one of the four VMEbus request levels 0 to 3 to request use of the VME Data Transfer Bus DTB The VXI VME MXI 2 requests use of the DTB whenever an external MXIbus device such as a PCI based computer with a PCI MXI 2 interface attempts a transfer that maps into the VXI VMEbus mainframe The VXI VME MXI 2 uses VMEbus request level 3 by default as required by the VXIbus specification This is suitable for most VXIbus systems However you can change the VXI VME MXI 2 to use any of the other three request levels 0 1 or 2 by changing the setting of the Request Level control You may want to change request levels to change the priority of the VXI VME MXI 2 request signal For more information refer to the VMEbus specification VXI VME Fair Requester The VXI VME MXI 2 is always a Release On Request requester However you can configure whether the VXI VME MXI 2 acts as either a fair or unfair requester on the VXI VMEbus By default the Operate as Fair Requester checkbox is enabled signifying a fair requester For more information on the different types of requesters refer to the VMEbus specification Arbiter Timeout An arbitration timeout feature is available on the VXI VME MXI 2 when it is acting as the VMEbus arb
70. have on the VXIpc 800 700 To add RAM to the VXIpc 800 700 series remove the top cover and add SIMM modules to the empty SIMM sockets The maximum amount the VXIpc 860 will support is 256 MB or 64 MB in each socket The maximum amount the VXIpc 850 will support is 128 MB or 32 MB in each socket The maximum amount for the VXIpc 700 Series is 64 MB or 32 MB in each socket vxipc bk 10appxb frm Page 7 Wednesday April 16 1997 9 50 AM Appendix B Common Questions NI VXI Software Manual for the VXIpc 800 700 B 8 National Instruments Corporation Which interrupt levels are free to be used by ISA bus boards Which area of upper memory adapter space is free for use by ISA bus boards or expanded memory manager software programs See Appendix B VXIpc 800 Series System Resources or Appendix C VXIpc 700 Series System Resources in the VXIpc 800 700 Series User Manual for information on the available port I O register space upper memory area interrupts and DMA channels The VXIpc 700 Series does not support an add in ISA slot however you may still refer to the user manual for interrupt and address map information How do I install the VXIpc 800 700 in a slot other than Slot 0 The VXIpc 800 700 automatically detects whether it is in Slot 0 of a VXIbus mainframe You do not need to change jumper settings to install the VXIpc 800 700 in a slot other than Slot 0 unless you have defeated the first slot detector FSD circuit
71. he communication with your instrument to speed your application development vxipc bk 05CH1 frm Page 3 Wednesday April 16 1997 9 50 AM National Instruments Corporation 2 1 NI VXI Software Manual for the VXIpc 800 700 Chapter2 NI VXI Software Installation This chapter contains the instructions for installing the NI VXI software Note Because the software is already installed on your VXIpc 800 700 the information in this chapter is useful only if you are reinstalling the software There are two methods for installing your NI VXI software the Windows Setup program and a DOS INSTALL program You can use the Windows Setup program to install NI VXI for Windows 95 NT 3 1 and DOS The DOS INSTALL program can install only the NI VXI software for DOS Refer to the section appropriate for the Microsoft operating system you are using Be sure you have up to 5 MB of free space available to accommodate the NI VXI software VXIpc 860 Users The VXIpc 860 is designed for use with Windows 95 NT only Using the Windows Setup Program Windows 3 1 You can use the Setup program that came with your NI VXI software to install the entire NI VXI software package a software update or to reinstall software in the event that your files were accidentally erased Follow these steps to install all or part of the NI VXI software Installing the NI VXI Software This section describes how to install the NI VXI software for the VXIpc 800
72. hell although the latter is not recommended Under DOS and Windows 3 1 RESMAN EXE may be executed only after VXIINIT EXE has been run VIC EXE is an interactive control program that executes functions you enter from the keyboard VIC helps you learn the functions program your VXI devices and develop and debug your application program You can execute VIC from DOS Windows 95 NT the Windows 95 NT DOS shell or the Windows 3 1 DOS shell although the latter is not recommended If you do use VIC from the Windows 3 1 DOS shell you must ensure that no other Windows application that uses NI VXI functions is executing This program is described in detail in the NI VXI Graphical Utilities Reference Manual vxipc bk 09appxa frm Page 1 Wednesday April 16 1997 9 50 AM Appendix A NI VXI Software Overview NI VXI Software Manual for the VXIpc 800 700 A 2 National Instruments Corporation VICTEXT EXE is a text based interactive control program that is functionally equivalent to VIC EXE You can execute VICtext from DOS Windows 95 NT the Windows 95 NT DOS shell or the Windows 3 1 DOS shell although the latter is not recommended If you run VICtext as a Windows application you can use it at the same time that other Windows applications that use NI VXI functions are executing This program is described in detail in the NI VXI Text Utilities Reference Manual VXIEDIT EXE is the VXI resource editor program You use VXIedit t
73. ications that use the NI VXI library running simultaneously in Windows 95 NT 3 1 In addition you can have multiple instances of the same application that uses the NI VXI library running simultaneously The NI VXI functions perform in the same manner whether you have only one application that uses the NI VXI library or several applications or several instances of an application all using the NI VXI library However you do need to be careful in certain cases as described in the following section Low Level Access Functions The memory windows used to access the VXIbus are a limited resource You should follow the protocol of calling the MapVXIAddress function with Access Only mode first before attempting to perform low level VXIbus access with VXIpeek or VXIpoke Your application should always call the UnMapVXIAddress function immediately after the accesses are complete so that you free up the memory window for other applications The function MapVXIAddress returns a pointer for use with low level access functions It is strongly recommended to use the VXIpeek and VXIpoke macros to access the memory instead of directly dereferencing the pointer Using these macros makes the NI VXI software more portable between platforms because some platforms such as the AT MXI require checking for retries which can be handled through the macros Directly dereferencing the pointers does not give you any speed benefit because the macros reduce
74. in the Device Type register The functionality of the other registers does not change Address Space This field indicates the addressing mode s of the device s operational registers The VXIpc 800 700 can be configured in one of three ways The default addressing mode is for A16 space only Your other options are A16 A24 and A16 A32 Logical Address Range Default Value 0 to 254 0 Classification Setting Extended Device EXT Message Based Device MBD Register Based Device RBD vxipc bk 07ch3 frm Page 6 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 7 NI VXI Software Manual for the VXIpc 800 700 Notice that the options under the VXI Shared Memory group are disabled when the Address Space control is set to A16 as shown in Figure 3 3 Only if you select A16 A24 or A16 A32 are the following controls relevant VXI Shared RAM Size Shared RAM Pool Advanced Byte Swapping Mapping VXI Shared Memory The VXI Shared Memory group contains the controls to set the VXI shared RAM size and the shared RAM pool The Advanced button leads to additional options that configure the upper and lower half of the shared RAM area Note When the Address Space field is in the default setting of A16 only all of the options in this group are disabled because they are irrelevant VXI Shared RAM Size This field indicates the amount o
75. ing system include version number ____________________________________________ Clock speed ______MHz RAM _____MB Display adapter __________________________ Mouse ___yes ___no Other adapters installed _______________________________________ Hard disk capacity _____MB Brand _____________________________________________ Instruments used _________________________________________________________________ _______________________________________________________________________________ National Instruments hardware product model __________ Revision ______________________ Configuration ___________________________________________________________________ National Instruments software product ____________________________ Version ____________ Configuration ___________________________________________________________________ The problem is __________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ List any error messages ___________________________________________________________ _______________________________________________________________________________ ________________________________________________________
76. ion Trademarks LabVIEW MANTIS MITE NI 488 2 NI VXI TIC and VXIpc are trademarks of National Instruments Corporation Product and company names listed are trademarks or trade names of their respective companies WARNING REGARDING MEDICAL AND CLINICAL USE OF NATIONAL INSTRUMENTS PRODUCTS National Instruments products are not designed with components and testing intended to ensure a level of reliability suitable for use in treatment and diagnosis of humans Applications of National Instruments products involving medical or clinical treatment can create a potential for accidental injury caused by product failure or by errors on the part of the user or application designer Any use or application of National Instruments products for or involving medical or clinical treatment must be performed by properly trained and qualified medical personnel and all traditional medical safeguards equipment and procedures that are appropriate in the particular situation to prevent serious injury or death should always continue to be used when National Instruments products are being used National Instruments products are NOT intended to be a substitute for any form of established process procedure or equipment used to monitor or safeguard human health and safety in medical or clinical treatment vxipc bk 02Warr frm Page 3 Wednesday April 16 1997 9 50 AM National Instruments Corporation v NI VXI Software Manual for the VXIpc 800
77. ion or install the new version in a different directory Only one copy of NI VXI can be active on your computer at any time If you install the new version of NI VXI into a different directory the old installation is disabled Caution If you have a previous version of the NI VXI software installed Setup does not automatically create a backup of the software files If there are files you want to preserve you should exit the installation program now and make a backup before continuing 5 Select the type of installation you want Typical installation includes Windows and DOS drivers utilities and development files for all supported compilers Compact installation includes only the driver and utilities necessary to run applications written with NI VXI Custom installation lets you select the target operating system and development environments according to your needs Note If you install the driver files you must include the Common Windows DOS Driver Files Similarly when installing development files include Common Development Files in your custom installation vxipc bk 06ch2 frm Page 2 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation National Instruments Corporation 2 3 NI VXI Software Manual for the VXIpc 800 700 6 Select the name of the Program Manager folder that will contain icons for the NI VXI software for VXIpc 800 700 At this point Setup copies the necessary files
78. ipc bk 07ch3 frm Page 10 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 11 NI VXI Software Manual for the VXIpc 800 700 Notes When the system IRQ line is disabled the remote controller functionality is not available If you are using a multi mainframe system you should enable the system IRQ line The VXI IRQ designated as system IRQ line cannot be disabled using the DisableVXIint or DisableVXItoSignalInt functions The VXIpc 800 700 will always acknowledge it automatically when it is the Resource Manager Local Device Settings The Local Device Settings group contains the controls to set the servant area size the number of interrupt handlers and interrupters that the VXIpc 800 700 Series supports and the contents of the Protocol register Servant Area Size This field designates the servant area size which is supplied to the Resource Manager in response to the Read Servant Area command if the VXIpc 800 700 is not the Resource Manager in your system The servant area size is an 8 bit value 0 through 255 that indicates the servant area The servant area begins at the logical address following the VXIpc 800 700 logical address and includes N contiguous logical addresses where N is the value of the servant area size This field is meaningful only when the VXIpc 800 700 is configured as a message based device Note If the VXIpc 800 700 is the Resource Manager
79. iter This feature applies only to a VXI Slot 0 VMEbus System Controller VXI VME MXI 2 By default this option is enabled The timer begins when the arbiter circuit on the VXI VME MXI 2 drives one of the BGOUT lines on the backplane If no device takes over the bus within the timeout limit the BGOUT is removed and the bus is either idle or granted to another requester vxipc bk 07ch3 frm Page 27 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 28 National Instruments Corporation MXI Bus Options Use the options in this group to control features of the MXIbus interface on the VXI VME MXI 2 module MXI Bus System Controller You can use the System Controller control to determine whether the VXI VME MXI 2 acts as the MXI Bus System Controller When the Auto setting the default setting is active the VXI VME MXI 2 automatically can sense from the MXIbus cable whether it should be the controller You can select either Yes or No to manually determine if the VXI VME MXI 2 should be the MXI Bus System Controller You must still be certain to cable the MXIbus system appropriately when you make either of these selections MXI Bus Timeout Value The MXIbus Bus Timeout BTO is a watchdog timer for transfers on the MXIbus The MXIbus BTO unit operates only when the VXI VME MXI 2 is acting as the MXIbus System Controller The functionality of this control is simi
80. its maximum setting to give the MXIbus cycles as much time as possible to complete The lowest value in the allowable range is 15 s and the highest value is 256 ms The default value is 125 s vxipc bk 07ch3 frm Page 24 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 25 NI VXI Software Manual for the VXIpc 800 700 Advanced VXI Settings Click on the Advanced button to reach additional configuration options for the VXI VME Bus portion of this editor as shown in Figure 3 10 These options are intended for more advanced users Figure 3 10 Advanced VXI Settings VXI VME Auto Retry The VXI VME MXI 2 has an automatic retry feature for cycles that map from the VXI VMEbus to the MXIbus By default this option is disabled Normally when a cycle maps from the VXI VMEbus to the MXIbus any retry response received on the MXIbus is passed to the VXI VMEbus If you enable the Auto Retry feature the VXI VME MXI 2 automatically retries any MXI cycle that receives a retry response instead of passing a retry response back to the vxipc bk 07ch3 frm Page 25 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 26 National Instruments Corporation VXI VMEbus The VXI VME MXI 2 automatically continues to retry the MXI cycle until it receives either a DTACK or BERR response which it then passes to th
81. l checkbox is checked the VXIpc 800 700 can recognize and send the VXIbus retry protocol If you disable this option a retry is mapped to a bus error response By default this option is enabled vxipc bk 07ch3 frm Page 14 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 15 NI VXI Software Manual for the VXIpc 800 700 Automatic VXI Slave Cycle Retry Note This option is not available in the VXIpc 700 Series The VXIpc 800 700 Series has an automatic retry feature for cycles that map from the VXIbus to the PCI bus on the VXIpc 800 700 You can use the Automatically retry VXI slave cycles checkbox to enable or disable this option By default this option is enabled on the VXIpc 800 Series and disabled on the VXIpc 700 Series Normally when a cycle maps from the VXIbus to the PCI bus any retry response received on the PCI bus is passed to the VXIbus When this feature is enabled the VXIpc 800 automatically retries any PCI cycle when the PCI host responds to a cycle with a retry The VXIpc 800 automatically continues to retry the PCI cycle until it receives either a Disconnect or Target Abort response which it then passes to the VXIbus This behavior is the default because many VXIbus masters do not support VXI retries If the VXIbus master does support retries it may be beneficial to disable this feature With this feature disabled you can lower the value of the Bus Tim
82. lar to that of the VXI Bus Timeout control described previously under the VXI VME Bus Options section The options range from 8 s to 128 ms with a default value of 1 ms After the specified amount of time has elapsed the BTO circuitry terminates a MXIbus cycle if no slave has responded The BTO circuitry is automatically deactivated when the VXI VME MXI 2 is not acting as the MXIbus System Controller The BTO is also disabled when the current MXIbus cycle maps to the VXI VMEbus through a VXI VME MXI 2 vxipc bk 07ch3 frm Page 28 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 29 NI VXI Software Manual for the VXIpc 800 700 Advanced MXI Settings Click on the Advanced button to reach additional configuration options for the MXI Bus portion of this editor as shown in Figure 3 11 These options are intended for more advanced users Figure 3 11 Advanced MXI Settings MXI Auto Retry The VXI VME MXI 2 has an automatic retry feature for cycles that map from the MXIbus to the VXI VMEbus This feature works in the same manner as the Auto Retry control described previously under the VXI VME Bus Options section By default this option is disabled Normally when a cycle maps from the MXIbus to the VXI VMEbus any retry response received on the VXI VMEbus is passed to the MXIbus If you enable the Auto Retry feature the VXI VME MXI 2 automatically retries any VXI VME cyc
83. le that receives a retry response instead of passing a retry response on to the MXIbus The VXI VME MXI 2 automatically continues to retry the VXI VME cycle until it receives either a DTACK or BERR response which it then passes to the MXIbus vxipc bk 07ch3 frm Page 29 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 30 National Instruments Corporation Notice that the VXI VME MXI 2 has a limit on the number of automatic retries it will perform on any one cycle If the limit is exceeded and the VXI VME MXI 2 receives another retry it will pass a retry back to the MXIbus even though Auto Retry is enabled Transfer Limit You can use this feature to control how many data transfers the VXI VME MXI 2 will perform on the MXIbus before releasing it to another master device that is requesting use of the bus The default setting holds the MXIbus for an unlimited period of time The other options you can choose from are 16 64 and 256 transfers If you do not want the VXI VME MXI 2 to hold the MXIbus for an unlimited period of time you can use this control to select one of these values Parity Checking By default MXIbus parity checking is enabled and should not be disabled under normal circumstances MXIbus parity is always generated regardless if checking is enabled or disabled MXI Fair Requester You can use the Operate as Fair Requester checkbox control
84. lick on the Place below 1 MB checkbox if you need to relocate the windows for DOS applications vxipc bk 07ch3 frm Page 18 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 19 NI VXI Software Manual for the VXIpc 800 700 Window Base You can use the Base field to select a region of memory below 1 MB for the user or driver windows Use this field to assign a new address for these windows You should choose a region that does not conflict with any other devices you have installed in your system Windows 95 NT Users This option is not available under Windows 95 NT However under Windows 95 you can change the base of the driver user window by using the Resources page in the VXIpc 800 700 Properties dialog in the Device Manager Notice that you can select the Base control only if the Place below 1 MB checkbox is enabled VXI VME MXI 2 Configuration Editor Before running the VXI VME MXI 2 Configuration Editor you must run RESMAN DOS and Windows 3 1 Users You must run VXIinit before running RESMAN or any other VXI operations and after each computer reset Note Throughout this section the term VXI VME MXI 2 denotes that the information applies equally to the VXI MXI 2 and the VME MXI 2 Upon entering the VXI VME MXI 2 Configuration Editor the program displays a list of VXI VME MXI 2 boards that RESMAN detected in your system as shown in Figure 3 8
85. n allocate for the user window is system dependent By using the up down arrow of the Size parameter you can select the size of the user window minimum of 4 KB maximum of 2 GB The more you increase the size of the user window the larger the window you can map in MapVXIAddress You can also disable this option Disabling the user window causes the VXIpc 800 700 to request the minimum amount of address space on the PCI bus With the window disabled you will be unable to perform any low level function calls such as VXIpeek VXIpoke and MapVXIAddress For example on DOS systems you may not be able to request more than the 32 KB driver window if the address space between 640 KB and 1 MB is being used by other devices in your computer The default setting for the user window is set at 64 KB It is recommended to have a user window of at least this value If you are going to be initiating transfers to a wide variety of addresses in both A24 and A32 you should increase the size of the user window The size of the driver window however is system defined and is not user configurable Below 1 MB This field determines whether the user or driver window is required to be located below the 1 MB address boundary a DOS limitation By default the user and driver windows are above the 1 MB boundary Unless you are running in DOS you can keep the windows above the 1 MB boundary and it is recommended that you keep the default settings C
86. nd the sample Windows 95 NT program for the Borland C compiler is in the nivxi win32 borlandc examples directory DOS Users The sample DOS program for the Microsoft C compiler is in the nivxi dos msc examples directory and the sample DOS program for the Borland C compiler is in the nivxi dos borlandc examples directory The easiest way to compile the sample program is to use the makefile included with the NI VXI software If you are using the Microsoft C compiler go to the Microsoft C sample directory and type nmake to compile that program If you are using the Borland C compiler go to the Borland C sample directory and type make f example mak vxipc bk 08ch4 frm Page 5 Wednesday April 16 1997 9 50 AM Chapter 4 Using the NI VXI Software NI VXI Software Manual for the VXIpc 800 700 4 6 National Instruments Corporation Symbols You may need to define some symbols so that the NI VXI library can work properly with your program You can define the symbols using define statements in the source code or you can use either the D or the D option in your compiler both the Microsoft and Borland compilers support the D and D options If you use define statements you must define the symbols before including the NI VXI header file nivxi h If you use the makefiles to compile the sample program the makefile already defined the necessary symbols One of the following symbols is usually required You must define it when usi
87. ng the Microsoft C or Borland C compiler VXIWIN designates the application as a Windows 3 1 application VXINT designates the application as a Windows 95 NT application VXIDOS designates the application as a DOS application You can use the same NI VXI header files to compile DOS programs by defining VXIDOS Note Because LabWindows CVI cannot be used to compile DOS programs the correct symbol is automatically defined You should NOT define VXIWIN or VXINT when using LabWindows CVI The following symbol is optional BINARY_COMPATIBLE makes the application binary compatible with external controllers such as the National Instruments PCI MXI 2 external controller Using this option may cause a slight performance degradation when using low level VXIbus access functions If you define these symbols in your source code your source code should look something like the following sample code define VXIWIN define BINARY_COMPATIBLE include lt nivxi h gt If you define these symbols using the D or D compiler options you should specify the following when invoking the compiler vxipc bk 08ch4 frm Page 6 Wednesday April 16 1997 9 50 AM Chapter 4 Using the NI VXI Software National Instruments Corporation 4 7 NI VXI Software Manual for the VXIpc 800 700 For the Microsoft C compiler DVXIWIN DBINARY_COMPATIBLE For the Borland C compiler DVXIWIN BINARY_COMPATIBLE Refer to the
88. ns 4 5 Compiling Your C Program 4 5 Symbols 4 6 Appendix A NI VXI Software Overview Appendix B Common Questions Appendix C Customer Communication Glossary Figures Figure 3 1 VXIedit Main Screen 3 2 Figure 3 2 VXIpc Configuration Editor 3 3 Figure 3 3 Logical Address Configuration Editor 3 5 Figure 3 4 Advanced Shared RAM Settings 3 8 Figure 3 5 Device Configuration Editor 3 10 Figure 3 6 Bus Configuration Editor 3 13 Figure 3 7 Advanced VXI Bus Settings 3 14 Figure 3 8 VXI VME MXI 2 Selection Dialog Box 3 19 Figure 3 9 VXI VME MXI 2 Configuration Editor 3 20 Figure 3 10 Advanced VXI Settings
89. nto Slot 0 can damage the device the VXIbus backplane or both vxipc bk 12gloss frm Page 5 Wednesday April 16 1997 9 50 AM Glossary NI VXI Software Manual for the VXIpc 800 700 G 6 National Instruments Corporation P PCI Peripheral Component Interconnect The PCI bus is a high performance 32 bit or 64 bit bus with multiplexed address and data lines PCMCIA Personal Computer Memory Card International Association POSC Power On Self Configuration R RBD Register Based Device register based device A Servant only device that supports VXIbus configuration registers Register based devices are typically controlled by message based devices via device dependent register reads and writes RESMAN The name of the National Instruments Resource Manager in NI VXI bus interface software See Resource Manager Resource Manager A message based Commander located at Logical Address 0 which provides configuration management services such as address map configuration Commander and Servant mappings and self test and diagnostic management retry An acknowledge by a destination that signifies that the cycle did not complete and should be repeated S s seconds Servant A device controlled by a Commander there are message based and register based Servants Shared Memory A communication protocol that uses a block of memory that is Protocol accessible to both a client and a server The memory block operates as a message b
90. o configure the system and to edit various details such as the model names of VXI devices the manufacturer name and ID numbers and system interrupt configuration This program is described in detail in the NI VXI Graphical Utilities Reference Manual VXITEDIT EXE is the text based VXI resource editor program that is functionally equivalent to VXIEDIT EXE You can execute VXItedit from DOS Windows 95 NT the Windows 95 NT DOS shell or the Windows 3 1 DOS shell This program is described in detail in the NI VXI Text Utilities Reference Manual README TXT contains the latest updates and corrections to the manual when appropriate Header Files The C NIVXI INCLUDE directory contains the following include files for the Microsoft C and Borland C language interfaces NIVXI H is the main header file containing the C prototypes for the NI VXI functions DATASIZE H contains data size specifications BUSACC H contains parameter and return values for the bus access functions DEVINFO H contains parameter and return values for the device information and system configuration functions VXIINT H contains parameter and return values for the interrupt and signal functions SYSINT H contains parameter and return values for the system interrupt functions TRIG H contains parameter and return values for the trigger functions vxipc bk 09appxa frm Page 2 Wednesday April 16 1997 9 50 AM App
91. o select the configuration method you prefer use the LA Selection controls The default selection is the Switch option Notice that the Logical Address control is inaccessible since it would have no effect In this option you need to change the hardware switch setting on the VXI VME MXI 2 itself if you want to change the logical address If you select Software for this option you can then use the Logical Address control to select a logical address within the range of 1 to 254 If you use this option the hardware switch setting has no effect and you must use the VXI VME MXI 2 Configuration Editor to change the logical address Address Space and Requested Memory The VXI VME MXI 2 requires at least 16 KB of address space in A24 space or at least 64 KB in A32 space Use the Address Space control to select whether you want to use A24 space or A32 space Use the Requested Memory control to set the amount of memory space that the VXI VME MXI 2 will request You can select up to 8 MB in A24 space and up to 2 GB in A32 space The default setting uses the minimum requirement of 16 KB in A24 space These controls are necessary if you change the amount of DRAM installed on the VXI VME MXI 2 The amount of memory you set with the Requested Memory control should match the amount of DRAM installed on the VXI VME MXI 2 If no DRAM is installed keep the default setting of 16 KB Notice that the smallest valid amount in A32 space is 64 KB Caution If y
92. on editors in VXIedit Modifying the Environment The installer does not modify the environment variables under Windows NT No changes are necessary However you may want to add the NI VXI directory to your LIB and INCLUDE paths if you use makefiles to build your projects and to the PATH variable if you plan to run the VXI utilities from the command line Completing the Software Installation After you execute Setup you should restart Windows NT to make your system load the NI VXI driver After the NI VXI software is installed run RESMAN EXE which is the National Instruments Resource Manager You must run RESMAN every time the chassis power is cycled so that your application can access devices in the VXI VME chassis You do not need to run VXIINIT EXE unless RESMAN fails After you RESMAN you are ready to use the NI VXI Resource Editor program VXIedit to interactively configure the hardware in your system Continue with Chapter 3 NI VXI Configuration Utility for instructions on using the configuration editors in VXIedit vxipc bk 06ch2 frm Page 9 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation NI VXI Software Manual for the VXIpc 800 700 2 10 National Instruments Corporation Using the DOS INSTALL Program If you do not have any Windows operating system installed on your machine you can install the NI VXI software for DOS with the INSTALL program This program functions similarly to the Windows
93. ou install DRAM into the VXI VME MXI 2 do not attempt to use the first 4 KB of memory space This 4 KB space maps to the registers on the VXI VME MXI 2 and does not access onboard DRAM Accessing this region will cause your VXI VME MXI 2 to behave incorrectly If you do not want to lose 4 KB of DRAM you can get around this limitation by setting the Requested Memory control to double the amount that is installed on the VXI VME MXI 2 because the DRAM is aliased throughout the remainder of the requested memory space vxipc bk 07ch3 frm Page 21 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility NI VXI Software Manual for the VXIpc 800 700 3 22 National Instruments Corporation The DRAM should then be accessed in the upper half of the requested memory space A16 Write Post and A24 A32 Write Posting The VXI VME MXI 2 can increase performance with its capability to post write cycles from both the MXIbus and the VXI VMEbus Write cycles should be posted only to devices that cannot return a BERR signal because the BERR will not be reported to the originating master Click on the checkbox control s if you want to use either A16 or A24 A32 write posting By default both options are disabled The A16 write posting control affects only write cycles that map through the A16 window from the VXI VMEbus to the MXIbus and vice versa A16 write cycles in VXI configuration space are never posted regardless of the setting of
94. questions as quickly as possible National Instruments has technical assistance through electronic fax and telephone systems to quickly provide the information you need Our electronic services include a bulletin board service an FTP site a Fax on Demand system and e mail support If you have a hardware or software problem first try the electronic support systems If the information available on these systems does not answer your questions we offer fax and telephone support through our technical support centers which are staffed by applications engineers Electronic Services National Instruments has BBS and FTP sites dedicated for 24 hour support with a collection of files and documents to answer most common customer questions From these sites you can also download the latest instrument drivers updates and example programs For recorded instructions on how to use the bulletin board and FTP services and for BBS automated information call 512 795 6990 You can access these services at United States 512 794 5422 Up to 14 400 baud 8 data bits 1 stop bit no parity United Kingdom 01635 551422 Up to 9 600 baud 8 data bits 1 stop bit no parity France 01 48 65 15 59 Up to 9 600 baud 8 data bits 1 stop bit no parity To access our FTP site log on to our Internet host ftp natinst com as anonymous and use your Internet address such as joesmith anywhere com as your password The support files and documents are located in
95. r software configurations described in this manual NI VXI for DOS Windows 3 1 You can use this version of the software to develop and run 16 bit DOS Windows 3 1 applications You can also use this software under Windows 95 if you intend to use 16 bit applications only NI VXI Upgrade for Windows 95 This is a compatibility release that extends your NI VXI for DOS Windows 3 1 to allow 32 bit applications running in Windows 95 to use the 16 bit driver In this configuration you can run both 16 bit and 32 bit applications however the core of the driver is 16 bit Applications developed using this driver will run with NI VXI for Windows NT without the need to recompile VXIpc 860 Users The VXIpc 860 is designed for use with Windows 95 NT only NI VXI for Windows 95 This is a fully 32 bit native Plug and Play driver for Windows 95 You can run only 32 bit applications with this driver You cannot use this driver in conjunction with either NI VXI for DOS Windows 3 1 or the NI VXI Upgrade for Windows 95 to run 16 bit applications Applications developed using this driver will run with NI VXI for Windows NT without the need to recompile NI VXI for Windows NT This is a 32 bit driver designed for Windows NT You can use this version to develop and run 32 bit applications for Windows 95 NT Applications developed using this driver will run with NI VXI for Windows 95 without the need to recompile vxipc bk 05CH
96. range of upper memory The most common memory manager is EMM386 because it ships standard with Microsoft DOS and Windows 3 x In many cases EMM386 is not needed for you configuration and can be omitted by adding REM to the vxipc bk 10appxb frm Page 4 Wednesday April 16 1997 9 50 AM Appendix B Common Questions National Instruments Corporation B 5 NI VXI Software Manual for the VXIpc 800 700 beginning of that line If any of your applications do need it you can add the following flag to the end of the line that loads EMM386 x start end where start is the base address of the window and end is the base plus the size minus 1 Notice that both the base and the size are in paragraphs 16 byte units For example if your driver window is located at 0xC8000 and your 64 KB user window is at 0xE0000 you should specify the following flags at the end of the EMM386 line x 0xC800 0xCFFF x 0xE000 0xEFFF What do the LEDs on the front of the VXIpc 800 700 mean The LEDs are fully described in Appendix D LED Indicators in the VXIpc 800 700 Series User Manual Is something wrong with the VXIpc 800 700 if the red SYSFAIL and FAILED LEDs stay lit after booting the VXIpc 800 700 If either the SYSFAIL or FAILED LED remains lit perform the following steps 1 Power off the mainframe 2 Remove all other modules from the mainframe 3 Make sure that the VXIpc 800 700 jumper settings are set correctly 4 Make sure that the
97. ry by changing the appropriate jumper on the VXIpc 800 700 Refer to the VXIbus Slot 0 Non Slot 0 section in either Chapter 3 VXIpc 800 Series Configuration and Installation or Chapter 4 VXIpc 700 Series Configuration and Installation in the VXIpc 800 700 Series User Manual for information on enabling and defeating the FSD circuitry How do I check the configuration of the memory floppy drive hard drive time date and so on Follow these steps to view the BIOS setup parameters 1 Reboot the VXIpc 800 700 2 During the memory tests press the lt DEL gt key 3 After hitting the lt DEL gt key you will get a graphical utility with icons that can be selected to view and change system parameters Can I upgrade my VXIpc 800 700 You can upgrade the modular CPU card to upgrade the processor only on the VXIpc 800 Series Contact National Instruments for information vxipc bk 10appxb frm Page 8 Wednesday April 16 1997 9 50 AM National Instruments Corporation C 1 NI VXI Software Manual for the VXIpc 800 700 AppendixC Customer Communication For your convenience this appendix contains forms to help you gather the information necessary to help us solve your technical problems and a form you can use to comment on the product documentation When you contact us we need the information on the Technical Support Form and the configuration form if your manual contains one about your system configuration to answer your
98. s System A device configured for installation in Slot 0 of a VXIbus mainframe or Controller Slot 1 of a VMEbus chassis This device is unique in the VMEbus system in that it performs the VMEbus System Controller functions including clock sourcing and arbitration for data transfers across the backplane Installing such a device into any other slot can damage the device the VMEbus VXIbus backplane or both vxipc bk 12gloss frm Page 7 Wednesday April 16 1997 9 50 AM Glossary NI VXI Software Manual for the VXIpc 800 700 G 8 National Instruments Corporation VXIbus VMEbus Extensions for Instrumentation VXIedit or VXItedit VXI Resource Editor program a part of the NI VXI bus interface software package Used to configure the system edit the manufacturer name and ID numbers edit the model names of VXI and non VXI devices in the system as well as the system interrupt configuration information and display the system configuration information generated by the Resource Manager VXIinit A program in the NI VXI bus interface software package that initializes the board interrupts shared RAM VXI register configurations and bus configurations W Word Serial Protocol The simplest required communication protocol supported by message based devices in a VXIbus system It utilizes the A16 communication registers to transfer data using a simple polling handshake method write posting A mechanism that signifies that a device will imm
99. se This Documentation Set Begin by reading the Getting Started with Your VXIpc 800 700 Series manual for basic instructions on setting up the hardware and software This is a brief quick start manual that describes how to get started with your kit using the default hardware and software settings The VXIpc 800 700 Series User Manual contains more details about changing the hardware installation or configuration from the defaults and using the hardware This manual the NI VXI Software Manual for the VXIpc 800 700 Series contains more details about changing the NI VXI software installation or configuration from the defaults and using the NI VXI software on the VXIpc 800 700 When you are familiar with the material in the previous manual you can begin to use the NI VXI User Manual This manual presents the concepts of VXI and prepares you for detailed explanations of the NI VXI functions Study the descriptions of each function given in the NI VXI Programmer Reference Manual to fully understand the purpose and syntax of each function You can also access online help for Windows 95 NT 3 1 in the NI VXI folder Refer to the NI VXI Graphical Utilities Reference Manual and the NI VXI Text Utilities Reference Manual to learn more about the NI VXI utilities Related Documentation The following documents contain information that you may find helpful as you read this manual ANSI IEEE Standard 1014 1987 IEEE Standard for a Versatile
100. selections vxipc bk 06ch2 frm Page 7 Wednesday April 16 1997 9 50 AM Chapter 2 NI VXI Software Installation NI VXI Software Manual for the VXIpc 800 700 2 8 National Instruments Corporation You can quit the Setup program at any time by pressing the Cancel button Setup is an interactive self guiding program that installs the NI VXI software and configures your system to use the NI VXI software with the VXIpc 800 700 Follow these steps to perform the installation 1 Insert the disk labeled NI VXI for VXIpc 800 700 Series for Windows NT 2 Select Run from the Start menu on the taskbar or from the Program Manager File menu and enter the following text where X is your floppy drive usually A or B X setup exe and press lt Enter gt 3 Click on the Next button at the Welcome screen to start the installation 4 Select the target directory for your installation Although Setup prompts you to accept the C NIVXI directory by default you can select a different location by clicking on Browse Caution If you have a previous version of the NI VXI software installed Setup does not automatically create a backup of the software files If there are files you want to preserve you should exit the installation program now and make a backup before continuing 5 Select the components you want to install NI VXI for Windows NT includes only the driver and utilities needed to configure and use your VXI
101. stions National Instruments Corporation B 7 NI VXI Software Manual for the VXIpc 800 700 If your application requires a special type of video display you can remove the PCI video card included with your VXIpc 800 700 Contact National Instruments for information on how to do this What kind of monitor can I use with the VXIpc 800 700 VXIpc 800 700 computers that use Super VGA video output will work only with monitors having a horizontal scan rate of at least 50 kHz and a vertical scan rate of 60 Hz Warning Make sure that your monitor meets this specification Enabling the Super VGA option on a monitor that does not meet this specification will damage your monitor What can I do if my keyboard connector does not fit into the keyboard port on the VXIpc 800 700 You can plug keyboards that have a 6 pin Mini DIN PS 2 type connector directly into the VXIpc 800 700 You can use the keyboard adapter cable that is included with every VXIpc 800 700 kit to adapt the larger AT keyboard connector to the 6 pin Mini DIN connector How do I connect an external speaker to the VXIpc 800 to get audio capability A twisted pair cable connects the front panel audio connector to the VXIpc 800 motherboard Connect the external speaker to this front panel connector The center pin of the connector provides the audio signal The shield of the connector is GROUND How do I add RAM to the VXIpc 800 700 What is the maximum amount of RAM that I can
102. stores the most significant MSB byte or word first followed by the least significant byte LSB or word Intel ordering stores the LSB or word first followed by the MSB or word vxipc bk 12gloss frm Page 2 Wednesday April 16 1997 9 50 AM Glossary National Instruments Corporation G 3 NI VXI Software Manual for the VXIpc 800 700 C CLK10 A 10 MHz 100 ppm individually buffered to each module slot differential ECL system clock that is sourced from Slot 0 of a VXIbus mainframe and distributed to Slots 1 through 12 on P2 It is distributed to each slot as a single source single destination signal with a matched delay of under 8 ns CMOS Complementary Metal Oxide Semiconductor a process used in making chips Commander A message based device that is also a bus master and can control one or more Servants configuration registers A set of registers through which the system can identify a module device type model manufacturer address space and memory requirements In order to support automatic system and memory configuration the VXIbus specification requires that all VXIbus devices have a set of such registers D Data Transfer Bus DTB one of four buses on the VMEbus backplane The DTB is used by a bus master to transfer binary data between itself and a slave device DMA Direct Memory Access a method by which data is transferred between devices and internal memory without intervention of the central processin
103. t and A24 A32 Write Posting 3 22 Interlocked Mode 3 22 VXI VME Bus Options 3 24 VMEbus System Controller 3 24 VXI VME Bus Timeout Value 3 24 Advanced VXI Settings 3 25 VXI VME Auto Retry 3 25 Transfer Limit 3 26 Arbiter Type 3 26 Request Level 3 27 VXI VME Fair Requester 3 27 Arbiter Timeout 3 27 MXI Bus Options 3 28 MXI Bus System Controller 3 28 MXI Bus Timeout Value 3 28 Advanced MXI Settings 3 29 MXI Auto Retry
104. t as described above will display the versions of VICtext and NI VXI and the hardware revision of the VXIpc 800 700 that the NI VXI software supports How can I determine the serial number and hardware revision of the VXIpc 800 700 Run the NI VXI utility program VXIedit Choose the VXIpc Configuration Editor The opening screen displays the serial number and hardware revision of the VXIpc 800 700 Which NI VXI utility program must I use to configure the VXIpc 800 700 Use the VXI Resource Editor program either VXIedit or VXItedit to configure the VXIpc 800 700 vxipc bk 10appxb frm Page 1 Wednesday April 16 1997 9 50 AM Appendix B Common Questions NI VXI Software Manual for the VXIpc 800 700 B 2 National Instruments Corporation Which NI VXI utility program must I use to initialize the VXIpc 800 700 Use the hardware initialization program VXIinit to initialize the VXIpc 800 700 VXIinit is required if you are running DOS or Windows 3 x However in Windows 95 NT the board is automatically initialized at system startup so you do not need to run VXIinit unless RESMAN fails What does VXIinit do The VXIinit program configures the components of the VXIpc 800 700 interface that are not configured by the EEPROM such as resetting the DMA channels manually placing the driver windows if required and most importantly setting up the MITE windows for direct access In other words it initializes the VXIpc 800 700
105. ted by interrupters and responds to those requests by requesting status and identify information interrupt level The relative priority at which a device can interrupt IRQ Interrupt signal vxipc bk 12gloss frm Page 4 Wednesday April 16 1997 9 50 AM Glossary National Instruments Corporation G 5 NI VXI Software Manual for the VXIpc 800 700 K KB kilobytes of memory L LED light emitting diode logical address An 8 bit number that uniquely identifies each VXIbus device in a system It defines the A16 register address of a device and indicates Commander and Servant relationships M master A functional part of a VME VXIbus device that initiates data transfers on the backplane A transfer can be either a read or a write MB megabytes of memory MBD Message Based Device message based device An intelligent device that implements the defined VXIbus registers and communication protocols These devices are able to use Word Serial Protocol to communicate with one another through communication registers MITE A National Instruments custom ASIC a sophisticated dual channel DMA controller that incorporates the Synchronous MXI and VME64 protocols to achieve high performance block transfer rates N NI VXI The National Instruments bus interface software for VME VXIbus systems Non Slot 0 device A device configured for installation in any slot in a VXIbus mainframe other than Slot 0 Installing such a device i
106. tional configuration options for the VXI shared RAM as shown in Figure 3 4 These options are intended for more advanced users The VXI shared RAM is divided into two halves or windows You can select the byte order and mapping scheme for each half independently Figure 3 4 Advanced Shared RAM Settings Memory Range Default Value 0 to 65535 KB 0 KB vxipc bk 07ch3 frm Page 8 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 9 NI VXI Software Manual for the VXIpc 800 700 Upper Lower Half Window Byte Swapping This field indicates whether byte swapping should be performed for slave accesses to this half of the VXI shared RAM space For example if the native byte order of the shared RAM is Intel Little Endian and you want to present data to the VXIbus in Motorola Big Endian byte order you will need to enable byte swapping by clicking on the checkbox for the appropriate window half Byte swapping is disabled for both windows by default Upper Lower Half Window Address Mapping This field determines if the upper lower half windows map to the same address or different addresses in system memory When this checkbox is checked the buffer in system RAM can be dual ported to the VXIbus in both Little Endian and Big Endian byte order The setting of the Byte Swapping checkboxes for each half window determines whether the byte order is Little Endian or Big Endian
107. to configure the VXI VME MXI 2 as either a fair or unfair requester on the MXIbus In its default setting disabled the VXI VME MXI 2 will request the bus at any time If you enable this option the VXI VME MXI 2 will request the MXIbus only when there are no requests pending from other MXIbus masters This prevents other MXIbus masters from being starved of bandwidth MXI CLK10 Signal The VXI MXI 2 can either receive or drive the MXIbus CLK10 signal In its default setting the VXI MXI 2 uses the switch setting of S7 to determine the signal direction VME Users This option is not applicable to the VME MXI 2 You can use the Drive or Receive options to override the setting of S7 and control the direction of the MXIbus CLK10 signal When receiving the MXIbus CLK10 signal configure the W3 jumper setting to use the MXIbus as the source for generating the VXIbus CLK10 applicable vxipc bk 07ch3 frm Page 30 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 31 NI VXI Software Manual for the VXIpc 800 700 only if the VXI MXI 2 is a Slot 0 device When driving the MXIbus CLK10 the VXIbus CLK10 is used as the source In this case change the jumper setting so that it does not use the MXIbus CLK10 as the source for the VXIbus CLK10 Warning Do not configure more than one MXIbus device to drive MXI CLK10 Setting up a second device to drive MXI CLK10 could damage the
108. u are using VICtext refer to the NI VXI Text Utilities Reference Manual for information DOS and Windows 3 1 Users If NIVXI DLL is loaded in memory do not attempt to execute VIC or any DOS program that uses the NI VXI library in a DOS shell Conflicts occur if both the DOS and Windows NI VXI drivers are active at the same time and may cause a system failure vxipc bk 08ch4 frm Page 1 Wednesday April 16 1997 9 50 AM Chapter 4 Using the NI VXI Software NI VXI Software Manual for the VXIpc 800 700 4 2 National Instruments Corporation To guard against this conflict the safest approach is to always exit Windows before attempting to execute any DOS program that uses the NI VXI library including VIC You can execute VIC from a Windows DOS shell however if you ensure that no other Windows application that uses the NIVXI DLL file is executing Note When compiling NI VXI applications you must define one of these macros in your makefile project VXIWIN if you are developing a Windows 3 1 application VXIDOS if you are developing a DOS application VXINT if you are developing a Windows 95 NT application Refer to the example programs on your software diskettes for details Example Programs The EXAMPLES subdirectory contains various example programs along with a makefile that show how to use various functions in the NI VXI software and how to develop application programs using these functions Mak
109. uffer for communications SIMM Single In line Memory Module vxipc bk 12gloss frm Page 6 Wednesday April 16 1997 9 50 AM Glossary National Instruments Corporation G 7 NI VXI Software Manual for the VXIpc 800 700 slave A functional part of a VME VXIbus device that detects data transfer cycles initiated by a VMEbus master and responds to the transfers when the address specifies one of the device s registers Slot 0 device A device configured for installation in Slot 0 of a VXIbus mainframe This device is unique in the VXIbus system in that it performs the VMEbus System Controller functions including clock sourcing and arbitration for data transfers across the backplane Installing such a device into any other slot can damage the device the VXIbus backplane or both SMB Sub Miniature Type B connector that features a snap coupling for fast connection T trigger Either TTL or ECL lines used for intermodule communication TTL Transistor Transistor Logic U user window A region of address space reserved by the VXIpc 800 700 Series for use via the NI VXI low level function calls MapVXIAddress uses this address space to allocate regions for use by the VXIpeek and VXIpoke macros V VIC or VICtext VXI Interactive Control Program a part of the NI VXI bus interface software package Used to program VXI devices and develop and debug VXI application programs VME Versa Module Eurocard or IEEE 1014 VMEbu
110. use of the conflict If you are using Windows 3 x you should place the MITE above the 1 MB boundary To do so switch to the factory configuration as described in the previous two topics Run VXIedit and in the Bus Configuration Editor make sure that the Place below 1 MB option is not checked Update the configuration and reboot either by powering down your system or by using the reset button If you are using DOS you can run VXIedit with the o command line option to manually select the memory address used by the VXIpc 800 700 while VXIedit is running VXIedit will prompt you to select a driver window base every time you try to enter the VXIpc Configuration Editor You can try several different options until you find a region that does not cause a conflict If you have installed an adapter in the PCI or ISA expansion slot of the VXIpc 800 that device may conflict with the MITE VXI interface Often the memory conflict is not with another device but rather with the memory management software such as EMM386 QEMM or 386MAX These products enable your computer to use parts of the upper memory typically reserved for hardware adapters to load device drivers and TSR Because the VXIpc 800 700 needs that memory to operate you must instruct your memory management software to exclude the regions used by the board You can either omit the line that loads the memory manager or add a flag that prohibits the memory manager from using the requested
111. xipc bk 08ch4 frm Page 4 Wednesday April 16 1997 9 50 AM Chapter 4 Using the NI VXI Software National Instruments Corporation 4 5 NI VXI Software Manual for the VXIpc 800 700 Also remember that changes in the size of the pool do not take effect until the next time you start Windows System Configuration Functions The System Configuration functions provide the lowest level initialization of your NI VXI software and VXI controller You must use the InitVXIlibrary function at the start of each application and the CloseVXIlibrary function at the end of each application Compiling Your C Program You can use the sample programs included with the NI VXI software as a starting point to develop your own C program that uses NI VXI functions First look over and compile the sample program using the makefile provided to get familiar with how the functions operate The example program is broken into multiple files and each file shows how to use different groups of functions You can then modify the sample program to try out different aspects of the NI VXI software Windows 3 1 Users The sample Windows 3 1 program for the Microsoft C compiler is in the nivxi win msc examples directory and the sample Windows program for the Borland C compiler is in the nivxi win borlandc examples directory Windows 95 NT Users The sample Windows 95 NT program for the Microsoft C compiler is in the nivxi win32 msc examples directory a
112. y of the other three request levels 0 1 or 2 by changing the setting of the Request Level control You may want to change request levels to change the priority of the VXIpc 800 700 request signal For more information refer to the VMEbus specification vxipc bk 07ch3 frm Page 16 Wednesday April 16 1997 9 50 AM Chapter 3 NI VXI Configuration Utility National Instruments Corporation 3 17 NI VXI Software Manual for the VXIpc 800 700 Fair Requester The VXIpc 800 700 is always a Release On Request requester However you can configure whether the VXIpc 800 700 acts as either a fair or unfair requester on the VXIbus By default the Operate as Fair Requester checkbox is cleared signifying an unfair requester For more information on the different types of requesters refer to the VMEbus specification Arbiter Timeout An arbitration timeout feature is available on the VXIpc 800 700 when it is acting as the VMEbus arbiter This feature applies only to a VXI Slot 0 VXIpc 800 700 By default this option is disabled If you enable this feature the timer begins when the arbiter circuit on the VXIpc 800 700 drives one of the BGOUT lines on the backplane If no device takes over the bus within the timeout limit the BGOUT is removed and the bus is either idle or granted to another requester PCI Bus Settings Your VXIpc 800 700 uses the MITE custom ASIC to interface to the VXIbus The MITE chip is located on the PCI bus on the VX

NI-VXI Software Manual for the VXIpc 800/700 Series

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