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MXI TM Getting Started with Your PCI-MXI-2 and the NI-VXI TM /NI-VISA TM So ftware for Linux PCI-MXI- 2 for Linux May 2002 Edi tion Part Numb er 37055 1A-01.
Supp ort Worl dwide Tec hnical Supp ort and Pro duct Inform ation ni.com Nati onal In strum ents C orpor ate He adqu art ers 11500 Nor th Mop ac Expressway Austin, T exas 787 59-35 04 USA Te l: 512 68.
Important Information Warrant y The National Instruments MXIbus boards and accessories are warrante d against defects in materials and workmanship for a period of one year from the da te of shipment , as evidenc ed by receipt s or other documenta tion.
Compliance FCC/Canad a Radio Freq uency Interfere nce Compliance* Determining FCC Class The Fed eral Co mmunicati ons Commis sion ( FCC) h as rules t o prote ct wire less commu nicat ions from interfe rence. The F CC places digi tal electron ics into two classes.
Canadia n Depar tment o f Commun ications This Class B di gital appa ratus meet s all requirem ents of the Canadia n Interfere nce-Ca using Equi pment Re gulations. Cet appare il numériqu e de la classe B respe cte toutes les exi gences du Règlement sur le matéri el brouille ur du Canad a.
© Nationa l Instrume nts Corpora tion vii PCI-MXI-2 for Linux Contents About This M anual How To Use the Manual Set ................ ........... ................. ........... ................. ............ ...... xi Convention s ............. .......
Contents PCI-MXI-2 for Linu x viii ni.com VXIbus CLK10 Ro uting ........... ........... ................. ........... ................. ............ .. 3-8 Trigger Input Termination .. ................. ........... ................. ............ .....
Contents © Nationa l Instrume nts Corpora tion ix PCI-MXI-2 for Linux VXI/VME Shared Memory ................. ................. ........... ................. . 6-6 VXI/VME Shared RAM Size ................ ........... ................. . 6 -7 Shared RAM Pool .
Contents PCI-MXI-2 for Linu x x ni.com Advanced MXI Settings ................... ............ ................. ........... ........ 6-28 MXI Auto Retr y ............ ................. ........... ................. ........ 6-28 Transfer Limit .......
© Nationa l Instrume nts Corpora tion xi PCI-MXI-2 for Linux About This Manual This manual co ntains i nstructions for inst alling and co nf iguring the National Instruments P CI-MXI-2 kit s for Linux . The VXI MXI-2 ki t includes a VXI-MXI-2 modu le that plugs into a VXI mainframe an d links your PCI-b ased computer to the VXIb us.
About This Ma nual PCI-MXI-2 for Linu x xii ni.com Begin by reading this getting started manual to guid e you through the install ation and con fi guration of the hardw are and s oftwa re. Y ou shoul d install and configure the components of the PCI-MXI -2 kit in the order in which this manual describes th em.
About This Ma nual © Nationa l Instrume nts Corpora tion xiii PCI-MXI-2 for Li nux italic Italic text denotes variables, emphasis, a cross reference, an intr oduction to a ke y concept, or te xt as it appears on a hardwar e label. This font also denotes te xt that is a p laceholder for a word or value that you must supply .
© National Inst ruments Cor poration 1-1 PCI-MXI-2 for Linux 1 Introduction and Quick Start This chapter describe s the PCI-MXI-2 kits, list s what you need to ge t started, introdu ces the concepts of MXI-2, and includes a brief description of the hardwar e and so ftware.
Chapte r 1 Intr oduct ion and Qu ick St art PCI-MXI-2 for Linux 1-2 ni.com How to Use This Manual VXI VME Gather What Y ou Need to Get Star ted Chapter 2 Chapter 6 Chapter 5 Chapter 7 Chapter 4 Softwa.
Chapt er 1 Introduc tio n and Quic k St art © National Inst ruments Cor poration 1-3 PCI-MXI-2 for Linux PCI-MXI-2 Kit Over view The PCI-MXI-2 ki ts link any computer with a PCI bus (her eafter referred to as a PCI-based computer) directly to the VXIbu s or VMEb us using th e high-speed Multisystem eXtension Interface bus (MXI-2).
Chapte r 1 Intr oduct ion and Qu ick St art PCI-MXI-2 for Linux 1-4 ni.com In addi tion, MXI-2 b oosts data throughput performan ce past pre vious-gener ation MXIb us products b y def ining n e w high-per formance protocols. MXI-2 is a s uperset of MXI.
Chapt er 1 Introduc tio n and Quic k St art © National Inst ruments Cor poration 1-5 PCI-MXI-2 for Linux PCI bus to the VMEb us. The VME-MXI-2 can automatically deter mine if it is located in the first slot of a VMEb us chassis and if it is the MXIbus System Controller .
Chapte r 1 Intr oduct ion and Qu ick St art PCI-MXI-2 for Linux 1-6 ni.com Optional Software Your PCI-MXI-2 kit includes the NI-VXI/NI-VISA bus interface software. In addi tion, you can use Nation al Instrume nts La bVIEW to ease yo ur programmi ng task.
Chapt er 1 Introduc tio n and Quic k St art © National Inst ruments Cor poration 1-7 PCI-MXI-2 for Linux Hardware Inst allation To guard agains t electrostatic discharge, touch the antistatic plastic package to a metal par t of your comp uter before remov ing the PCI-MXI-2 from the pack age.
Chapte r 1 Intr oduct ion and Qu ick St art PCI-MXI-2 for Linux 1-8 ni.com Installing an d Loading t he NI-VXI/ NI-VISA Software for L inux For information on ins talling, uninstalling , or using the NI-VXI/NI-VISA software, refer to Chapter 5, NI-VXI/NI-VISA Softw are Insta llation .
Chapt er 1 Introduc tio n and Quic k St art © National Inst ruments Cor poration 1-9 PCI-MXI-2 for Linux The same functionality is available in victext with the vxiinreg command. Y ou can use help vxiinreg for the command’ s parameter desc ript ion .
Chapte r 1 Intr oduct ion and Qu ick St art PCI-MXI-2 for Linux 1-10 ni.com Table 1-2. PCI-MXI -2 Logic al Address C onfig uration Edi tor Defaul t Setti ngs Editor Field Default Setting Logical Addre.
Chapt er 1 Introduc tio n and Quic k St art © National Inst ruments Cor poration 1-11 PCI-MXI-2 fo r Linux Tabl e 1-3 . PCI-MX I-2 De vice Co nfi gurat ion Ed itor Defa ult Set ting s Editor Field De.
Chapte r 1 Intr oduct ion and Qu ick St art PCI-MXI-2 for Linux 1-12 ni.com VXI/VME-MXI -2 This section summar izes the hardware and software defa ult settings fo r the VXI-MXI-2 and VME-MXI-2.
Chapt er 1 Introduc tio n and Quic k St art © National Inst ruments Cor poration 1-13 PCI-MXI-2 fo r Linux Table 1- 6. VME-MXI- 2 Hardwa re Defa ult Set tings Hardwar e Component Default Sett ing A16.
Chapte r 1 Intr oduct ion and Qu ick St art PCI-MXI-2 for Linux 1-14 ni.com VXI/VME Arbiter T imeout Enab led MXI System Controller Auto MXI Bus Timeout V alue 1 ms MXI Auto Retry Disab led MXI T rans.
© National Inst ruments Cor poration 2-1 PCI-MXI-2 for Linux 2 PCI-MXI-2 Configuration and Installation This chapter contains the instructions to co nfigure and install the PCI-M XI- 2 mo dule. Caution El ectrostati c dischar ge can dam age se v eral compon ents on your PCI-MXI-2 module.
Chapter 2 PCI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 2-2 ni.com Figu re 2-1 . PCI-MXI-2 Parts Locator Diagram 1U 1 7 2D R A M 2 1.
Chapter 2 PCI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 2-3 PCI-MXI-2 for Linux Configuration E EPROM The PCI- MXI-2 has an onboard EE PROM, w hich stor es default register values that are loa ded at power-on.
Chapter 2 PCI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 2-4 ni.com Figure 2-2 shows how to install the PCI-MXI-2. Figu re 2-2 . PCI-MXI- 2 Install ed in a Comp uter 1 PCI Bu s Slot 2 Cu.
© National Inst ruments Cor poration 3-1 PCI-MXI-2 for Linux 3 VXI-MXI-2 Configuration and Installation This chapter contains the instructions to co nfigure and install the VXI-MXI-2 m odule. Thi s chapter app lies onl y if you ord ered the VX I MXI-2 kit.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-2 ni.com Figu re 3-1. VXI-MX I-2 Right-Sid e Cover 1U 3 5 2W 2 3W 3 4S 8 5S 9 6S 7 7U 4 3 8S 6 9S 5 10 S4 11 S3 12 S2 (All switches and jumpers shown in default position) WARNING: Turn off power to instruments and cables before installing or removing any modules.
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-3 PCI-MXI-2 for Linux Front Panel F eatures The VXI-MXI-2 has the following front pan el features: • Three front panel LEDs – SYSFAIL LED indicates that the VMEb us SYSF AIL line is asserted.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-4 ni.com Logical address 0 is r eserved for the Resource Manager in the VXIb us system. Because the VXI-MXI-2 cannot act as a Resource Manager , do not conf igure the VXI-MXI-2 with a logical address of 0.
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-5 PCI-MXI-2 for Linux Figure 3-2 shows switch settings for logical ad dress hex 1 and C0.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-6 ni.com Figur e 3-3. VXIbus Slo t Config uratio n When the VXI-MXI-2 is installed in Slot 0, it becomes the VMEbu s System Controll er .
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-7 PCI-MXI-2 for Linux VXIbus Local Bus If you will be installing more than o ne VXI-MXI-2 in a single VXIbus mainframe, you must configu re the boards to us e the local bus.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-8 ni.com Figu re 3-4. VXIbus Loca l Bus Confi guratio n VXIbus CLK1 0 Routi ng When the VXI-MXI-2 is install ed in Slot 0 of your mainframe, it supplies the VXIbus C LK10 signal.
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-9 PCI-MXI-2 for Linux Figu re 3-5 . VXI bus C LK1 0 Rout ing The VXI-MXI-2 can also be conf igured to dri ve the e x ternal CLK SMB signal f rom the VXIb u s CLK10 s ignal.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-10 ni.com When switch S3 is set so that the VXI-MXI-2 recei ves the SMB CLK10 signal, you ha ve t he optio n to add a 5 0 Ω termination to the signal by setting switch S4.
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-11 PCI-MXI-2 fo r Linux Figu re 3-6. SMB CL K10 Se ttings a.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-12 ni.com The VXI-MXI-2 can also dri v e or recei v e the MXIbu s CLK10 signal. Switch S7 controls whether the VXI- MXI-2 dri v es MXIb us CLK10 from the VXIb us CLK10 or recei ves MXIbus CLK10.
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-13 PCI-MXI-2 fo r Linux Figu re 3-8 . SMB T rigg er Input T e rminatio n MXIbus T ermination The first and last MXIbus devices connected to the MXIbus — whether it is a single MXI-2 cab le or daisy-chained MXI-2 cables — must terminate the MXIbus.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-14 ni.com Use swit ch 2 of U 35 to selec t whether y ou want the VXI-MXI-2 t o automatically control termination of the MXIbus. Switch 1 of U35 lets you manually control whether to term inate the MXIbus when automatic termination is turned off.
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-15 PCI-MXI-2 fo r Linux Use switches 3 and 4 of the four-position switch at location U35 to control the operatio n of the EEPR OM.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-16 ni.com Figure 3-10 shows the configuration settings for EEPR OM operation. The settings of switches 1 and 2 have no ef fect on EEPR OM conf iguration. Figu re 3-10 . EEPROM Operat ion a.
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-17 PCI-MXI-2 fo r Linux Onboard DRAM The VXI-MXI-2 can accommodate up to two 1.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-18 ni.com You can use 32- or 36- bit SIMMs because DRAM parity is not requir ed. Because the VXI-MXI-2 s upports only one organ ization at a time, all SIMMs installed must be of the same type .
Chapter 3 VXI-MXI-2 Conf iguration and I nstallation © National Inst ruments Cor poration 3-19 PCI-MXI-2 fo r Linux 3. If you are installing the VXI-MXI-2 into a D-size mainframe, install a support designed for installing C-size boards in D-size mainf rames.
Chapter 3 VXI-MXI-2 Configuration and Installation PCI-MXI-2 for Linux 3-20 ni.com Figur e 3-12 . MXI-2 Cab le Configu ration Using a PCI-MXI-2 an d a VXI-MXI-2 When you ha v e properly connected the MXI- 2 cable, po wer on the VXIb us mainframe and th en the computer .
© National Inst ruments Cor poration 4-1 PCI-MXI-2 for Linux 4 VME-MXI-2 Configuration and Installation This chapter contains the instructions to co nfigure and install the VME-MXI-2 mo dule. This chapter app lies only i f you ord ered the VME MXI-2 k it.
Chapter 4 VME-MXI-2 Confi guration and I nstallatio n PCI-MXI-2 for Linux 4-2 ni.com Figur e 4-1. VME-MX I-2 Pa rts Loc ator Dia gram 1S 2 2U 2 1 3W 2 4U 2 0 5D R A M B a n k 1 6D R A M B a n k 0 1 2 .
Chapt er 4 VME-MXI -2 Conf igur atio n and Inst allat ion © National Inst ruments Cor poration 4-3 PCI-MXI-2 for Linux Front Panel F eatures The VME-MXI-2 has the following front panel featu res: • Three front panel LEDs – SYSFAIL LED indicates that the VMEb us SYSF AIL line is asserted.
Chapter 4 VME-MXI-2 Confi guration and I nstallatio n PCI-MXI-2 for Linux 4-4 ni.com Figur e 4-2 sho ws switch s ettings for A16 b ase addr ess hex C040 an d F000.
Chapt er 4 VME-MXI -2 Conf igur atio n and Inst allat ion © National Inst ruments Cor poration 4-5 PCI-MXI-2 for Linux Figure 4-3 sho ws the f our int ermodule signalin g settings .
Chapter 4 VME-MXI-2 Confi guration and I nstallatio n PCI-MXI-2 for Linux 4-6 ni.com Switch 4 has no effect when switch 3 is set for automatic MXIbus terminat ion; you m ust turn of f automa tic terminat ion if yo u want to manually control terminatio n.
Chapt er 4 VME-MXI -2 Conf igur atio n and Inst allat ion © National Inst ruments Cor poration 4-7 PCI-MXI-2 for Linux user -conf igured half o f the EEPR O M becomes corrupted in such a way that the VME-MXI-2 boo ts to an unusable s tate.
Chapter 4 VME-MXI-2 Confi guration and I nstallatio n PCI-MXI-2 for Linux 4-8 ni.com Figu re 4-5. EEPROM Operat ion Onboard DRAM The VME-MXI-2 can accommodat e up to two 1.35 in. DRAM SIMMs. Table 4-1 l ists th e SIMMs you can use. Yo u can u se 32- or 36-bit SIMMs since DRAM parity is not required.
Chapt er 4 VME-MXI -2 Conf igur atio n and Inst allat ion © National Inst ruments Cor poration 4-9 PCI-MXI-2 for Linux Switch S2 is used to select the size o f each SIMM. If the SIMMs are 4M × 32 or larger , S2 sh ould be in the OFF set ting as shown in Figure 4-6a.
Chapter 4 VME-MXI-2 Confi guration and I nstallatio n PCI-MXI-2 for Linux 4-10 ni.com Install the VME-MXI-2 This section contains g eneral installatio n instructions for th e VME-MXI-2. Consult your VMEbus mainframe user manual or technical ref erence manual for specific instru ctions and warnings.
Chapt er 4 VME-MXI -2 Conf igur atio n and Inst allat ion © National Inst ruments Cor poration 4-11 PCI-MXI-2 fo r Linux 5. Check the installation. 6. Conn ect the cables as described in the follo wing section befor e restor ing po wer . 7. R eplace or close an y doors o r cov ers to the mainf rame.
Chapter 4 VME-MXI-2 Confi guration and I nstallatio n PCI-MXI-2 for Linux 4-12 ni.com Figu re 4-7 . MXI-2 Cabl e Conf igur ation U sing a PCI -MXI- 2 and a VME- MXI- 2 When you ha ve properly conn ected the MXI-2 cable, po wer on the VMEbu s mainframe and then the computer .
© National Inst ruments Cor poration 5-1 PCI-MXI-2 for Linux 5 NI-VXI/NI-VISA Software Installation This chapter describes how to inst all and uninstall the NI-VXI/NI- VISA software for Linux . Installing the NI-VXI/NI-VISA Softwa re for Linu x Before you begi n, you may need to install Li nux on yo ur comput er.
Chapter 5 NI-VXI /NI-VISA Software Installation PCI-MXI-2 for Linux 5-2 ni.com where 1.6-1 is the version you are installing. Note that this version number will be dif ferent if you are installing a ne wer vers ion. Note If you use rpm rather than the IN STALL script, you must repeat this s tep for each package you want to install.
Chap te r 5 NI-V XI/NI -VI SA S oft war e In sta llati on © National Inst ruments Cor poration 5-3 PCI-MXI-2 for Linux Place these lines in your .cshrc or .login (C shell) o r .profile (Bourne or K orn shells) so they will execu te automatically the next time you lo g in.
© National Inst ruments Cor poration 6-1 PCI-MXI-2 for Linux 6 NI-VXI Configuration Utility This chapter cont ains instructio ns for usin g the VXI Resource Editor utili ty of the NI-VXI s oftware to confi gure the PCI-MXI-2 and the VXI-MXI- 2 or VM E-M XI-2 .
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-2 ni.com Figure 6-1 shows the main menu of the vxiedit resource editor . Figur e 6-1. VXIe dit Main Screen The rest of this chapter describes only the features of the PCI-MXI-2 Configuration Editor and the VXI/VME-MXI-2 Configuration Editor .
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-3 PCI-MXI-2 for Linux PCI-MXI-2 Configuration Editor Figure 6-2 shows t he opening s creen of th e PCI-MXI-2 C onfigur ation Editor.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-4 ni.com Update Current Configura tion Use this option to wr ite the configuration settings to the PCI-MXI-2 EEPROM and files us ed by NI-VXI.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-5 PCI-MXI-2 for Linux Figu re 6-3. PCI -MXI- 2 or PX I-MXI -2B Lo gica l Addr ess Co nfigu ratio n Edi tor Device Settings The Device Se ttin gs group contains the controls to set the logical add ress, device type, and address space of the PCI-MXI-2.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-6 ni.com Device T ype This field indicates the classification of the PCI-MXI-2. The default valu e is MBD , designating a message-b ased device. The f ollowing table shows the available options.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-7 PCI-MXI-2 for Linux VXI/VME Shared RAM Si ze This field indicates the amoun t of RAM (in bytes) that is s hared in either A24 or A 32 space.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-8 ni.com Note Wh e n the Address Space field is in the default setting of A16 only , this field is ignored. This field is also ignored if th e Memory Select fields for both the lower and upper half windows are set to Onboard memory .
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-9 PCI-MXI-2 for Linux Enable Byte Swa pping This checkbo x indicates w hether byte swapping s hould be perfo rmed for slave accesses to this half of the VXI/VME shared R AM space.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-10 ni.com Caution Th ere is a potential problem when opening up a shared memory region to point to system RAM. The PCI b us may return a retry on an y c ycle into system RAM. As a consequence, an external VXI/ VME device accessing the s ystem RAM may get a VXI/VME retry back.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-11 PCI-MXI-2 fo r Linux Figure 6-5 shows th e Device Configuration Editor. The following paragraphs describe the op tions you can select for each of the fields. Figu re 6-5 .
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-12 ni.com System IRQ Level The remote controllers — in this case the VXI/VME-MXI-2 — can report events such as trigg ers and DMA to the PCI-MXI-2 through a VXI IRQ line. This field selects which VXI I RQ level the remote controller s should use to report events to the PCI-MXI-2.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-13 PCI-MXI-2 fo r Linux Number of Interrupters This field gives the number of int errupters t hat the PCI- MXI-2 suppor ts. Protocol Register This field specifies the conte nts of the Protocol regist er, indicating which protoco ls the device suppo rts.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-14 ni.com Bus Configurati on Editor Figure 6-6 show s the Bus Configur ation Editor. The followin g sections describe the options you can select f or each of the f ields.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-15 PCI-MXI-2 fo r Linux Y ou can select the Ye s or No op tions to manually determine whether th e PCI-MXI-2 should be the MXIbus System Contro ller . Y o u must still be certain to cable the MXIbus system appropriately when you make either of these selections.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-16 ni.com MXI T ransfer Limit Use this feature to con trol how many data trans fers the PCI-MXI-2 will perform on the MXIb us before releasing it to another mas ter device that is requesting use of the bus.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-17 PCI-MXI-2 fo r Linux benef icial to disable the MXI-2 auto retry feature. W ith this feature disabled, you can lower th e MXI Bus T imeou t because there will be no delay due to the inward cycles being retried.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-18 ni.com Windo w Size The amount o f space you can allocate for the user window is sys tem dependent. You can use the Size con trol to select the size of the u ser window (mi nimum of 4 KB, maximum of 2 GB) .
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-19 PCI-MXI-2 fo r Linux VXI/VME-MXI-2 Configuration Editor Before running t he VXI/VME-MXI- 2 Configur ation Ed itor, you must run Resm an.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-20 ni.com Figu re 6-8. VXI/ VME-MX I-2 Co nfi gurat ion Ed itor LA Selection a nd Logica l Address You can set or mo dify the logical addres s of the VXI/VME-MXI-2 either within the VXI/VME-MXI-2 Conf iguration Editor itself or with th e onboard 8-position DIP switch .
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-21 PCI-MXI-2 fo r Linux Requested Mem ory 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 t o 2 GB in A 32 space.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-22 ni.com Interloc ked M ode Interlock ed arbitr ation mode is an opti onal mode of operatio n in whi ch at any given mo ment the system can p erform as if it were o ne large VXI/VMEbus mainframe with only one master of the entire system — V XI/VMEbus and MXIbus.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-23 PCI-MXI-2 fo r Linux This typ e of syst em conf igurati on is recommen ded if yo u ha ve on e of the following situations: • A VXI/VMEb us main frame with only sla ve de vices and no masters.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-24 ni.com Caution Do not instal l a VXI/VME-MXI-2 conf igured for VMEb us Syst em Control ler (VXI Sl ot 0) in to another s lot wi thout f irst reconf iguri ng it t o either Non- Slot 0 or automatic configuration.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-25 PCI-MXI-2 fo r Linux . Figu re 6-9. Advanced V XI S ettings VXI/VME Auto Retry The VXI/VME-MXI-2 has an au tomatic retry feature fo r cycles that map from the VXI/VMEbus to the MXIbus.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-26 ni.com enough t o perform 256 tr ansfers (t he defau lt v alue) , you can u se this control to select a smaller value. Arbiter T ype You can use the Arbiter Type feature to configure th e VXI/VME-MXI-2 as either a Priorit y or Round R obin VMEbus arbiter .
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-27 PCI-MXI-2 fo r Linux Arbiter Ti meout An arbitration timeout feature is available on the VXI/VME-MXI-2 when it is acting as the VMEbus arbiter. This feature applies only to a VXI Slot 0 (VMEbus System Controller ) VXI/VME-MXI-2.
Chapter 6 NI-VXI Configuration U tility PCI-MXI-2 for Linux 6-28 ni.com Advanced MXI Set tings Click the Advanced button to reach additional configur ation options for the MXI Bus portion of this ed itor, as shown in Figur e 6-10. These o ptions are intended fo r more advanced users.
Chapter 6 NI-VXI Configuration Utility © National Inst ruments Cor poration 6-29 PCI-MXI-2 fo r Linux T r ansfer 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 requ esting use of the bus .
© National Inst ruments Cor poration 7-1 PCI-MXI-2 for Linux 7 Using the NI-VXI/NI-VISA Software This chapt er dis cusses p rogramming i nformatio n for you to con sider when developing applications that use the NI-VXI/NI-VISA dr iver. After installing the driv er software, you can be gin to de velop your VXI/VME application software.
Chapter 7 Using the NI-VXI/NI-VISA Software PCI-MXI-2 for Linux 7-2 ni.com Interactive Control of NI-VXI/NI-VISA The easiest way to learn how to com municate with your instruments is by controlling them interactively .
Chapter 7 Using the NI -VXI/NI-VISA Software © National Inst ruments Cor poration 7-3 PCI-MXI-2 for Linux Low-Level Access Functions The memory wind ows used to access the VXI/VMEbus are a limited reso urce .
Chapter 7 Using the NI-VXI/NI-VISA Software PCI-MXI-2 for Linux 7-4 ni.com System Conf iguration F unctions The System Conf iguration functio ns provide th e lowest-level i nitialization of your VXI controller.
Chapter 7 Using the NI -VXI/NI-VISA Software © National Inst ruments Cor poration 7-5 PCI-MXI-2 for Linux If you de fi ne this sym bol in your s ource code, your source cod e should l ook something like the following sample code: #define VXILINUX . .
© National Inst ruments Cor poration A-1 PCI-MXI-2 for Linux A Specifications This append ix lists v ari ous module s pecif ications o f the PCI-MXI-2, VXI-MXI-2, and VME-MXI -2, such as physical dimensio ns and po wer requirements. PCI-MXI-2 The follo wing sections lis t the specifications for the PCI-MXI-2 module.
Appendix A Specification s for PCI-M XI-2 PCI-MXI-2 for Linux A-2 ni.com PCI Functi onality PCI Initiator (master) capability .............Suppor ted PCI Target (slav e) capability ....... ...........Supported Data path ..................... .........
Appendix A Specifica tions for PCI-MXI- 2 © National Inst ruments Cor poration A-3 PCI-MXI-2 for Linux Relative humidity Noncondens ing, oper ating .............. 0 to 95% Noncondens ing, sto rage .................. 0 to 95 % EMI ................... .
Appendix A Specification s for VXI-M XI-2 PCI-MXI-2 for Linux A-4 ni.com VXI-MXI-2 The follo wing sections list the s pecifications for the VXI-MXI-2 module.
Appendix A Specifica tions for VXI-MXI- 2 © National Inst ruments Cor poration A-5 PCI-MXI-2 for Linux D32, D16, D08 (EO) (slave) ................... VMEbus slave D32, D1 6, and D08 data sizes BLT, MBLT (master).................... ......... VMEbus master block and D64 transfers BLT, MBLT (slave) .
Appendix A Specification s for VXI-M XI-2 PCI-MXI-2 for Linux A-6 ni.com Requiremen ts VXIbus Configuration Space..................64 B A24 or A32 Sp ace ............ ................. ......16 KB minimum (programm able) Environment al Temperature Operating .
Appendix A Specifica tions for VXI-MXI- 2 © National Inst ruments Cor poration A-7 PCI-MXI-2 for Linux Electr ical +5 VDC Typical DC curren t rating ............... 2.5 A Maximum DC curr ent rating........... 3.5 A – 5.2 VDC Typical DC curren t rating .
Appendix A Specifica tions fo r VME-M XI-2 PCI-MXI-2 for Linux A-8 ni.com VME-MXI-2 The following sections list the specifications for the VME-MXI-2 mo dule.
Appe ndix A Speci fic ati ons f or V ME-M XI-2 © National Inst ruments Cor poration A-9 PCI-MXI-2 for Linux D32, D16, D08 (EO) (slave) ................... VMEbus slave D32, D1 6, and D08 data sizes BLT, MBLT (master).................... ......... VMEbus master block and D64 transfers BLT, MBLT (slave) .
Appendix A Specifica tions fo r VME-M XI-2 PCI-MXI-2 for Linux A-10 ni.com Requiremen ts A16 Space ................... ........... .................64 B A24 or A32 Sp ace ............ ................. ......16 KB minimum (programm able) Environment al Temperature Operating .
Appe ndix A Speci fic ati ons f or V ME-M XI-2 © National Inst ruments Cor poration A-11 PCI-MXI-2 for Linux Electr ical +5 VDC Typical DC curren t rating ............... 2.2 A Maximum DC curr ent rating........... 3.2 A Performance Peak ............
© National Inst ruments Cor poration B-1 PCI-MXI-2 for Linux B NI-VXI/NI-VISA Software Over view This appe ndix lists and d escribe s the main progr ams and f iles that make up the NI-VXI/NI-VISA software. Main Programs and Files This section lists the main pro grams and files that you can use for controlling your VXI/VME interface.
Appendix B NI-VXI/NI-VISA So ftware Over view PCI-MXI-2 for Linux B-2 ni.com Header Files for NI-VXI The NIVXI /inc lude directory (where NIVXI is the actual location where you installed the NI-VXI s oftware package) contains the fo llo wing include fi les for the C languag e interface: • nivxi.
© National Inst ruments Cor poration C-1 PCI-MXI-2 for Linux C EEPROM Configuration This appendix describes how to control the operation of the PCI-MXI-2 onboard EEPR OM and ho w to fix an in v alid EEPR OM setting. The EEPR O M stores def ault re gisters v alues that are loaded at po wer-on.
Appendix C EEPROM Configurat ion PCI-MXI-2 for Linux C-2 ni.com Figur e C-1. EEPROM Ope ration Defaul t Settin gs Fixing an Invalid EEPROM Configuration Certain EEPR OM configur ations can caus e your PCI computer to lock up while in its boot process.
Appendix C EEPROM Configuratio n © National Inst ruments Cor poration C-3 PCI-MXI-2 for Linux Note If you hav e to remo v e the PCI-MXI-2 module to access switch 1, follo w the installation instr uctions giv en in Chapte r 2, PCI-MXI -2 Con figurat ion and Installat ion , to reinstall the PCI- MXI-2 module.
© National Inst ruments Cor poration D-1 PCI-MXI-2 for Linux D Common Questions This append ix addresses common qu estions you may ha ve about us ing the NI-VXI b us interface software on the PCI-MXI-2 platform. How can I determine which version of the NI-VXI sof tware I ha ve installed? Run the NI-VXI utility program vic .
Appendix D Common Que stions PCI-MXI-2 for Linux D-2 ni.com Which NI-VXI utili ty program must I use to perf orm startup Resource Manager operations? Use the Resman pro gram to perform startup Resource Manager op erations. It is located in the NIVXI /bin direc tor y ( /usr/local/nivxi/bin by default).
Appe ndix D Commo n Ques tion s © National Inst ruments Cor poration D-3 PCI-MXI-2 for Linux Are the PCI- MXI-2 and the VXI-MXI-2 tw o devices or one with re spect to the VXIb us? Both th e PCI-MXI-2 an d the VXI- MXI-2 are un ique VXIb us de vices with their o wn logical addresses.
Appendix D Common Que stions PCI-MXI-2 for Linux D-4 ni.com Whenev er I try to execute any of the NI-VXI utilities, I receiv e a message that it could not fi nd a particular file ev en though the file does exist.
© National Inst ruments Cor poration E-1 PCI-MXI-2 for Linux E T echnical Support and Professional Ser vices Visit the followin g sections of the Nation al Instrument s Web site at ni.
© National Inst ruments Cor poration G-1 PCI-MXI-2 for Linux Glossar y Pref ix Meanings V a lue p- pico- 1 0 – 12 n- nano- 10 – 9 µ- micro- 10 – 6 m- milli- 10 – 3 k- kilo- 10 3 M- meg a- 10 6 G- giga- 10 9 t- tera- 10 12 Symbols ° Degrees.
Gloss ar y PCI-MXI-2 for Linux G-2 ni.com A CF AIL A VMEb us backplane sig nal that is asserted when a po w er failure h as occurred (ei ther A C line source or p o wer su pply malfun ction), or i f it is necessary to dis able the po wer supply (such as for a high temperature condition).
Glossary © National Inst ruments Cor poration G-3 PCI-MXI-2 for Linux block-mode transfer An uninterrup ted transfer o f data elements in which the master s ources only the fi rst address at the be ginning of the c ycle.
Gloss ar y PCI-MXI-2 for Linux G-4 ni.com D daisy-chain A method of p ropagating signals along a b us, in which the de vi ces are prioritized on the basi s of their position on th e b us. Data T ransfer B us DTB; one of four bus es on the VMEb us backplane.
Glossary © National Inst ruments Cor poration G-5 PCI-MXI-2 for Linux EMI Electromagnetic Interfe rence. expansion R OM An onboard EEPR O M that may contain device-specif ic initialization and system boot func tionality .
Gloss ar y PCI-MXI-2 for Linux G-6 ni.com K KB Kilobytes of memory . L LED Light Emitting Diode. logical address An 8-bit numb er that uniquely identif ies each VXIb us de vice in a system. It def ines the A16 re gister address of a de vice, and indicates Commander and Serv ant relationship s.
Glossary © National Inst ruments Cor poration G-7 PCI-MXI-2 for Linux MXIbu s Multisystem eXtension Interf ace Bus; a high-perform ance communication link that interconnect s de vices using roun d, fle xible cab les. MXIbu s System Contro ller A functional module that has arbiter , daisy-chain dri v er , and MXIb us c ycle timeout responsibility .
Gloss ar y PCI-MXI-2 for Linux G-8 ni.com retry An ackno wl edge b y a destination th at signif ies that the cycle di d not complete and shou ld be repeated. RPM R PM Pack age Manager , a widely-used s oftware distrib utio n tool that yo u can use to i nstall, up grade, or remo ve softw are from y our syst em.
Glossary © National Inst ruments Cor poration G-9 PCI-MXI-2 for Linux T trigger Either TTL o r ECL lines used for in termodule communication. TTL T ra nsistor -T ransistor Logic. U user windo w A region of PCI ad dress space rese rved b y the PCI-MXI- 2 for use vi a the NI-VXI low-le v el function calls.
Gloss ar y PCI-MXI-2 for Linux G-10 ni.com VXItedit VXI R esource Editor prog ram, a part of the NI-VXI bus inter face softw are package. Used to conf igure the system, edit the manuf acturer name and.
© National Inst ruments Cor poration I-1 PCI-MXI-2 for Linux Index A A16 base ad dress, V MEbus, 4-3 A16 write posting, VXI/VME-MXI-2, 6-21 A24/A32 write posting PCI-MXI-2 , 6-17 VXI/VME-MXI-2, 6-21 .
Index PCI-MXI-2 for Linux I-2 n i.com parts locator di agram (figure), 4-2 VMEbus A16 ba se address, 4-3 VME-MXI-2 i ntermodul e sign alin g, 4-4 VXI-MXI-2 modu le configurat ion EEPROM, 3-14 front p .
Index © National Inst ruments Cor poration I-3 PCI-MXI-2 for Linux E EEPROM. See configuration EEPROM electrical specifications PCI-MXI-2, A-3 VME-MXI-2 mo dule, A-11 VXI-MXI-2 module, A-7 enable byt.
Index PCI-MXI-2 for Linux I-4 n i.com L LA selecti on and logi cal address o ption, 6-20 LabV IEW s oftw are , 1-6 LEDs on VXI/VME-MXI-2, D-2 loca l bus, VXIbu s, 3 -7 local resource access functions,.
Index © National Inst ruments Cor poration I-5 PCI-MXI-2 for Linux P parity checking MXIbus, 6- 29 PATH environment var iable, 6-1 PCI Bus options , 6-17 expansion RO M, 6-18 user window and driver w.
Index PCI-MXI-2 for Linux I-6 n i.com VXI shared RAM option s, 6-6 advanced shared RAM settings, 6-8 illustration , 6-8 enable by te swappi ng, 6-9 memory select, 6-9 shared RAM poo l, 6-7 lower hal f.
Index © National Inst ruments Cor poration I-7 PCI-MXI-2 for Linux VXI-MXI-2 electrical, A-7 environmental, A-6 MXIbus capability descriptions, A-4 performance, A-7 physical , A-6 requirem ents, A-6 .
Index PCI-MXI-2 for Linux I-8 n i.com parts locator di agram (figure), 4-2 VMEbus A16 ba se address, 4-3 VME-MXI-2 i ntermodul e sign alin g, 4-4 connecting MXIbus cabl e, 4-11 default setting s Confi.
Index © National Inst ruments Cor poration I-9 PCI-MXI-2 for Linux VXIedit configuration utilit y VME de vic e co nfig ura tion information, 1-8 VXIEDIT software utility illustration , 6-2 runnin g, .
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