Intel cPCI-7200 User's Manual
Contents
1. je ii i Ni Latch Digital Input PCs Main Wenn MI Bus mastering Digital Input FIFO DMA data Transfer 8254 Timer Counter 24 e Operation Theorem 4 3 External Clock Mode The digital input is clocked by external strobe which is from the Pin 19 I REQ of CN2 PCI 7200 or Pin 24 of CN1 cPCI 7200 The operation sequence is very similar to Timer Pacer Trigger The only difference is the clock source 1 The external input strobe is generated from outside device and go through the Pin 19 I REQ of CN2 and to latch the digital input 2 The digital input data are saved in FIFO after an I O strobe signal is coming in 3 The data saved in input FIFO will be transferred to main memory on your computer system directly This is controlled by bus mastering DMA control this function is supported by PCI To Digital Input Trigger Latch Digital lo hit DI Bus mastering Digital Input FIFO DMA data Transfer Pin 19 of CN2 4 4 Handshaking In PCI 7200 it also supports a handshaking digital I O transfer mode That is after input data is ready an I_REQ is sent form external device and _ACK will go high to acknowledge the data already accessed REQ amp _ACK for Digital Input 1 Digital Input Data is ready 2 An _REQ signal is generated for digital input operation 3 Digital input data is saved to FIFO 4 An _ACK signal is generated and sent to outside device 5 If the FIF2. kk kk kaka kk kk KEEN 9 2 5 Hardware Installation Outline 11 2 6 Connector Pin ASSIQnMents sscsceeeeeseeeeeeeeeeeeeeees 12 2 6 1 PCI 7200 Pin ASSIQNIMENKS sssssssssssesseserscsesseseseseensnesens 12 2 6 2 cPCI 7200 Pin ASSIQGNMENAS sssesesesesesesesesesesesesessstseseseseeess 14 2 7 8254 for Timer Pacer Generation 15 Chapter 3 Registers Format reriiniee 16 3 1 I O Registers Forimat ccccceesseceeeeeseeeeeeeeeeeeeeeeeeeeeeees 16 3 2 Digital Input Register BASE 10 17 3 3 Digital Output Register BASE 11 17 3 4 DIO Status amp Control Register BASE 18 17 3 5 Interrupt Status amp Control Register BASE 1C 19 3 6 8254 Timer Registers BASE 22 Chapter 4 Operation Theorem rrrneen 23 4 1 Direct Program Control 111nin 23 4 2 Timer Pacer Mode ek KA 24 4 3 External Clock Mode 25 4 4 Handshaking iii 25 4 5 Timing CharacteristiC rr 27 Table of Contents e i Chapter 5 C C Libraries E uuEuEmamameEenz 30 5 1 Libraries Install
3. Windows 95 int W_7200_Free_DMA Mem U32 handle Visual Basic Windows 95 W_7200_Free_DMA_Mem ByVal handle As Long As Long Argument handle The handle of system DMA memory to release Return Code ERR_NoError 5 15 7200 Alloc DBDMA Mem Description Contact Windows 95 98 system to allocate a block of contiguous memory as circular buffer for double buffered DMA DI transfer This function is only available in Windows 95 98 version For double buffered transfer principle please refer to Section 6 Double Buffered Mode Principle Syntax Visual C Windows 95 int W_7200_Alloc_DBDMA_Mem U32 buff U32 handle U32 buf_size U32 actual_size Visual Basic Windows 95 W_7200_Alloc_DBDMA Mem buff As Long handle As Long ByVal buf_size As Long actual_size As Long As Long Argument buff There is a dummy buffer attached to the DMA memory this function will allocate But this buffer need to have size equal to or more than buf size bytes handle The handle of system DMA memory returned from system Use this handle in 200 DI DMA Start buf_size Bytes to allocate This is the half size of circular buffer in byte That is this is the size of each half buffer in byte actual_size The actual DMA memory size system allocate for each half buffer If system is not able to get a block of contiguous memory of specified buf_size it will allocate a block of memory as large as it can In this case this function returns ER
4. 1 4 5 DASYLab PRO DASYLab is an easy to use software package which provides easy setup instrument functions such as FFT analysis Please contact us to get DASYLab PRO which include DASYLab and ADLink hardware drivers 1 4 6 PCIS DDE DDE Server and InTouch DDE stands for Dynamic Data Exchange specifications The PCIS DDE includes the PCI cards DDE server The PCIS DDE server is included in the ADLINK CD It needs license The DDE server can be used conjunction with any DDE client under Windows NT Introduction e 5 1 4 7 PCIS ISG ISaGRAF driver The ISaGRAF WorkBench is an 1EC1131 3 SoftPLC control program development environment The PCIS ISG includes ADLink products target drivers for ISaGRAF under Windows NT environment The PCIS ISG is included in the ADLINK CD It needs license 1 4 8 PCIS ICL InContro Driver PCIS ICL 5 the InControl driver which support the Windows NT The PCIS ICL is included in the ADLINK CD It needs license 1 4 9 PCIS OPC OPC Server PCIS OPC is an OPC Server which can link with the OPC clients There are many software packages on the market can provide the OPC clients now The PCIS OPC supports the Windows NT It needs license 6 e Introduction 2 Installation This chapter describes how to install the PCI 7200 At first the content of the package and the unpacking information that you should be careful are described Because the PCI 7200 is a plug and play device there
5. be start immediately DI_WAITING the input samples waiting rising or falling edge trigger to start DI trig_pol trigger polarity DI_RISING rising edge trigger DI_FALLING falling edge trigger 42 C C Libraries clear_fifo 0 retain the FIFO data 1 clear FIFO data before perform digital input disable_di 0 digital input operation still active after DMA transfer complete 1 disable digital input operation immediately when DMA transfer complete Return Code ERR_NoError ERR_BoardNoInit ERR_InvalidDIOMode ERR_InvalidDIOCnt ERR_NotDWordAlign ERR_DMATransferNotAllowed 5 18 _7200 DI DMA Status Description Since the _7200_DI DMA Start function is executed in background you can issue this function to check its operation status This function only works when double buffer mode is set as disable Syntax Visual C Windows 95 int W_7200_DI_DMA_ Status U8 status U32 count Visual Basic Windows 95 W_7200_AD_Status status As Byte count As Long As Long C C DOS int _7200_AD_DMA Status U8 status U32 count Argument status status of the DMA data transfer 0 DI DMA_STOP DMA is completed 1 DI DMA_RUN DMA is not completed count the numbers of DI data which has been transferred Return Code ERR_NoError C C Libraries e 43 5 19 7200 DI_DMA Stop Description This function is used to stop the DMA data transferring After executing this function the _7200_DI DMA_ Start function is
6. but not limited to any implied warranty of merchant ability or fitness and all other obligations or liabilities of seller its successors or assigns The equipment must be returned postage prepaid Package it securely and insure it You will be charged for parts and labor if you lack proof of date of purchase or if the warranty period is expired Product Warranty Service e 55
7. controlled and status is checked through this register Address BASE 18 Attribute READ WRITE Data Format EEE REESE ZH i Base 18 O_ACK DINEN LTRG TRGPL I FIFO TMEO REQ ACK e A EE wage PT HETTA eS le lean Registers Format e 17 Digital Input Mode Setting LACK Input ACK Enable 1 Input ACK is enabled input ACK will be asserted after input data is read by CPU or written to input FIFO 0 Input ACK is disabled I REQ Input REQ Strobe Enabled 1 Use _REQ edge to latch input data 0 _REQ is disabled I_TIMEO Input Timer 0 Enable 1 Input is sampled by falling edge of Counter 0 output COUTO 0 Input Timer 0 is disabled I FIFO Input FIFO Enable Mode 1 Input FIFO is enabled input data is saved to input FIFO 0 Input FIFO is disabled TRGPOL Input Trigger Polarity 1 _TRG is Rising Edge Active 0 _TRG is Falling Edge Active I_ TRG External Trigger Enable 1 Wait until I TRG signal is active digital input sampling will begin after a rising or falling edge of I_TRG is coming 0 Start input sampling immediately if input control register is set DIN_EN Digital Input Enable 1 Digital Input Enable 0 Digital Input Disabled when this bit is set as 0 all digital input operation will be stopped Digital Output Mode Setting O_ACK Output ACK Enable 1 Output ACK is enabled the output circuit will wait for O_ACK after O_REQ strobe is asserted 0 Output ACK is disabled O_REQ Output REQ Enabl
8. stopped The function returns the number of the data which has been transferred no matter if the digital input DMA data transfer is stopped by this function or by the DMA terminal count ISR Syntax Visual C Windows 95 int W_7200_DI_DMA Stop U32 count Visual Basic Windows 95 W_7200_DI_DMA_Stop count As Long As Long C C DOS int _7200_DI_DMA_Stop U32 count Argument count the number of DI data which has been transferred Return Code ERR_NoError ERR_BoardNolInit 5 20 7200 DbIBufferMode Description This function is used to enable or disable double buffer mode for DMA DI operation Syntax Visual C Windows 95 int W_7200_Db1BufferMode Boolean db_flag Visual Basic Windows 95 W_7200_Db1BufferMode ByVal db_flag As Byte As Long C C DOS int _7200_CheckHalfReady Boolean db_flag Argument db flag 1 double buffer mode enabled 0 double buffer mode disabled Return Code ERR_NoError 44 e C C Libraries 5 21 7200 CheckHalfReady Description When you use 200 DI DMA Start to sample digital input data and double buffer mode is set as enable You must use _7200 _CheckHalfReady to check data ready data half full or not in the circular buffer and using _7200_DblBufferTransfer to get data Syntax Visual C Windows 95 int W_7200_CheckHalfReady Boolean halfReady Visual Basic Windows 95 W_7200_CheckHalfReady halfReady As Byte As Long C C DOS int _7200_CheckHalf
9. 0 or 1 Return Code ERR_NoError ERR_InvalidDIChannel 5 11_7200 DO Description This function is used to write data to digital output port There are 32 digital outputs on the PCI 7200 Syntax Visual C Windows 95 int W_7200_DO U32 do_data Visual Basic Windows 95 W_7200_DO ByVal do_data As Long As Long C C DOS int _7200_DO U32 do_data Argument do_data value will be written to digital output port Return Code ERR_NoError 36 e C C Libraries 5 12 7200 DO Channel Description This function is used to write data to digital output channels bit There are 32 digital output channels on the PCI 7200 When performs this function the digital output data is written to the corresponding channel channel means each bit of digital input port Syntax Visual C Windows 95 int W_7200_DO_Channel U8 do ch no Boolean do data Visual Basic Windows 95 W_7200_DO_Channel ByVal do_ch_no As Byte ByVal do data As Byte As Long C C DOS int _7200_DO_Channel U8 do ch no Boolean do data Argument do_ch_no the DO channel number the value has to be set within 0 and 31 do_data either 0 OFF or 1 ON Return Code ERR_NoError ERR_InvalidDOChannel C C Libraries e 37 5 13_7200 Alloc DMA Mem Description Contact Windows 95 98 system to allocate a block of contiguous memory for single buffered DMA transfer This function is only available in Windows 95 98 version Syntax Visual
10. 1 Libraries Installation Please refer to the Software Installation Guide for the detail information about how to install the software libraries for DOS or Windows 95 DLL or PCIS DASK for Windows 98 NT 2000 The device drivers and DLL functions of Windows 98 NT 2000 are included in the PCIS DASK Please refer the PCIS DASK user s guide and function reference which included in the ADLINK CD for detailed programming information 30 e C C Libraries 5 2 Programming Guide 5 2 1 Naming Convention The functions of the NuDAQ PCI cards or NuIPC CompactPCI cards software driver are using full names to represent the functions real meaning The naming convention rules are In DOS Environment _ hardware_model _ action_name e g __7200_Initial All functions in PCI 7200 driver are with 7200 as hardware_model But they can be used by PCI 7200 cPCI 7200 In order to recognize the difference between DOS library and Windows 95 library a capital W is put on the head of each function name of the Windows 95 DLL driver e g W_7200_Initial 5 2 2 Data Types We defined some data type in Pci_7200 h DOS and Acl_pci h Windows 95 These data types are used by NuDAQ Cards library We suggest you to use these data types in your application programs The following table shows the data type names and their range Ges E bit single precision Puree aad to 4294967295 floating point 32 bit single precision E 402823E3
11. 4 DINO 10 DO16 35 DIN2 11 DO18 36 DIN4 lt gt 12 DO20 37 DIN6 13 DO22 38 DIN8 14 DO24 39 DIN10 15 DO26 40 DIN12 16 DO28 41 DIN14 17 DO30 42 GND 18 GND 43 DIN16 19 5Vout 44 DIN18 20 5Vout 45 DIN20 o 21 AUXINO 46 DIN22 100 22 AUXIN1 47 DIN24 23 _TRG 48 DIN26 24 REQ 49 DIN28 25 ACK 50 DIN30 14 e Installation 2 7 8254 for Timer Pacer Generation 8254 Timer Counter Digital Input Timer Pacer dann Digital Output Timer Pacer 4MHz Clock Figure 2 4 8254 configuration The internal timer counter 8254 on the PCI 7200 is configured as above diagram figure 2 4 User can use it to generate the timer pacer for both digital input and digital output trigger The digital input timer pacer is from OUTO Timer 0 and the digital output timer pacer is from OUT1 Timer 1 Besides Timer 0 and Timer 2 can be cascaded together to generate more timer pacer frequency for digital input Also the Timer 2 can be cascaded with Timer 1 for digital output pacer rate 4 MHz CO C2 if Timer 0 amp Timer 2 are cascaded pacer rate 4 MHz CO if timer 0 amp Timer 2 are not cascaded The maximum pacer signal rate of input and output are 4MHz 2 2Mhz The minimum signal rate is 4MHz 65535 65535 which is a very slow frequency that user may never use it For example if you wish to get a pacer rate 2 5 kHz you can set CO 40 and C2 40 That is 2 5
12. 8 to 3 402823E38 floating point 64 bit double precision 1 797683134862315E308 to floating point 1 797683134862315E309 Boolean Boolean logic value TRUE FALSE C C Libraries e 31 5 3 _7200 Initial Description A PCI 7200 card is initialized according to the card number Because the PCI 7200 is PCI bus architecture and meets the plug and play design the RQ and base_address pass through address are assigned by system BIOS directly Every PCI 7200 card has to be initialized by this function before calling other functions Note Because configuration of PCI 7200 is handled by the system there is no jumpers or DMA selection on the PCI boards that need to be set up by the users Syntax Visual C Windows 95 int W_7200_Initial U8 card number U16 base_addresss U8 irq_no Visual Basic Windows 95 W_7200_Initial ByVal card number As Byte base_addresss As Integer irq no As Byte As Long C C DOS int _7200_Initial U8 card_number U16 base_addresss U8 irg_no Argument card_number the card number to be initialized only four cards can be initialized the card number must be CARD_1 CARD_2 CARD_3 or CARD_4 base address the I O port base address of the card itis assigned by system BIOS irq_no system will give an available interrupt number to this card automatically Return Code ERR_NoError ERR_InvalidBoardNumber ERR_PCIBiosNotExist ERR_PCICardNotExist ERR_PCIIrgNotExist ERR_BaseAddress
13. C DOS int _7200_AUX_DO_Channel U8 do_ch_no Boolean aux_data Argument do_ch_no the auxiliary DO channel number the value has to be set within 0 and 3 aux_data either 0 OFF or 1 ON Return Code ERR_NoError ERR_InvalidDOChannel ERR_FunctionNotAvailable 5 9 7200 DI Description This function is used to read data from digital input port There are 32 bit digital inputs on the PCI 7200 You can get all 32 input data from _7200_DI by using this function Syntax Visual C Windows 95 int W_7200_DI U32 di_ data Visual Basic Windows 95 W_7200_DI di data As Long As Long C C DOS int _7200_DI U32 di data Argument di data returns all 32 bit value from digital port Return Code ERR_NoError C C Libraries e 35 5 10 7200 DI Channel Description This function is used to read data from digital input channels bit There are 32 digital input channels on the PCI 7200 When performs this function the digital input port is read and the value of the corresponding channel is returned channel means each bit of digital input port Syntax Visual C Windows 95 int W_7200_DI_Channel U8 di ch no Boolean di_ data Visual Basic Windows 95 W_7200_DI_Channel ByVal di_ch_no As Byte di_data As Byte As Long C C DOS int _7200_DI_Channel U8 di ch no Boolean di data Argument di_ch_no the DI channel number the value has to be set within 0 and 31 di_data return value either
14. C Windows 95 int W_7200_Alloc_DMA_Mem U32 buff U32 handle U32 buf_size U32 actual_size Visual Basic Windows 95 W_7200_Alloc_DMA Mem buff As Long handle As Long ByVal buf_size As Long actual_size As Long As Long Argument buff The start address of the user buffer for DMA data transfer This buffer will be attached to the DMA memory allocated by this function When using this DMA memory handle as an argument of W_7200_DI_DMA_ Start function DI data will be copied to this buffer When using this DMA memory handle as an argument of W_7200_DO_DMA _ Start function the data stored in this buffer will be the DO data handle The handle of system DMA memory returned from system Use this handle in 7200 DI DMA Start or _7200_DO_DMA Start buf_size Bytes to allocate Please be careful the unit of this parameter is BYTE not SAMPLE actual_size The actual size system allocate for DMA memory The unit is BYTE If system is not able to get a block of contiguous memory of specified buf_size it will allocate a block of memory as large as it can In this case this function returns ERR_SmallerdMAMemAllocated and actual_size denotes the actual size of allocated memory Return Code ERR_NoError ERR_SmallerDMAMemAl located 38 e C C Libraries 5 14_7200 Free DMA Mem Description Release the system DMA memory under Windows 95 98 environment This function is only available in Windows 95 98 version Syntax Visual C
15. DBI gt An da gt lt valid data gt lt d t gt Ons ts gt 60ns t3 gt 2 PCI CLK Cycle t2 gt Ons t gt 1 PCI CLK Cycle Note REQ must be asserted until ACK asserts ACK will be asserted until REQ de asserts 4 0_REQ as output data strobe Out O_REQ D00 D031 lt p gt valid data ts gt 19ns tn gt 2PCICLK Cycles Toe gt 500ns 28 e Operation Theorem 5 0 REQ amp O_ACK Handshaking OUT O_REQ OUT ACK eee tege DOO Do31 valid data t1219ns to 1 PCI CLK Cycle tg25 PCI CLK Cycle Note O_ACK must be de asserted before O REQ asserts O ACK can be asserted any time afterO REQ asserts O_REQ will be reasserted after O_ACK is asserted Operation Theorem e 29 5 C C Libraries This chapter describes the software library for operating this card Only the functions in DOS library and Windows 95 DLL are described Please refer to the PCIS DASK function reference manual which included in ADLINK CD for the descriptions of the Windows 98 NT 2000 DLL functions The function prototypes and some useful constants are defined in the header files LIB directory DOS and INCLUDE directory Windows 95 For Windows 95 DLL the developing environment can be Visual Basic 4 0 or above Visual C C 4 0 or above Borland C 5 0 or above Borland Delphi 2 x 32 bit or above or any Windows programming language that allows calls to a DLL It provides the C C VB and Delphi include files 5
16. EWEWEE TEY WET NEWE KEK ET DEBE Pe E ER n a si Se a a Interrupt Control In PCI 7200 the interrupt can be triggered by many signal sources such as O_ACK I_REQ timer 0 timer 1 and timer 2 The following bits control the interrupt source IO_ACK Interrupt is triggered by O_ACK signal 1 O_ACK interrupt is enabled 0 O_ACK interrupt is disabled II REQ Interrupt is triggered by REQ signal 1 _REQ interrupt is enabled 0 _REQ interrupt is disabled Registers Format e 19 TO EN Interrupt is triggered by timer 0 output 1 Timer 0 interrupt is enabled 0 Timer 0 interrupt is disabled T1_EN Interrupt is triggered by timer 1 output 1 Timer 1 interrupt is enabled 0 Timer 1 interrupt is disabled T2_EN Interrupt is triggered by timer 2 output 1 Timer 2 interrupt is enabled 0 Timer 2 interrupt is disabled Interrupt Status The following bits are used to check interrupt status SO_ACK Status of O_ACK interrupt 1 O_ACK Interrupt occurred 0 No O_ACK interrupt SI_REQ Status of _ REQ interrupt 1 _REQ Interrupt occurred 0 No _REQ Interrupt SI_TO Status of timer 0 interrupt 1 OUTO output of timer 0 Interrupt occurred 0 No timer 0 Interrupt SI_T1 Status of timer 1 interrupt 1 OUT1 output of timer 1 Interrupt occurred 0 No timer 1 Interrupt SI_T2 Status of timer 2 interrupt 1 OUT2 output of timer 2 interrupt occurred 0 No timer 2 Interrupt Note Writing 1 to the corresponding bit of th
17. Error 32 e C C Libraries 5 4 _7200 Switch Card No Description After initialized more than one PCI 7200 card this function is used to select which card is used currently Syntax Visual C Windows 95 int W_7200_Switch_Card_No U8 card number Visual Basic Windows 95 W_7200_Switch_Card_No ByVal card_number As Byte As Long C C DOS int _7200_Switch_Card_No U8 card number Argument card_number The card number to be initialized four cards can be initialized the card number must be CARD_1 CARD 2 CARD 3 or CARD 4 but only one card is active Return Code ERR_NoError ERR_InvalidBoardNoInit 5 5 7200 AUX DI Description Read data from auxiliary digital input port of cPCI 7200 card You can get all 4 bits input data by using this function Syntax Visual C Windows 95 int W_7200_AUX_DI U32 aux_di Visual Basic Windows 95 W_7200_DI aux di As Long As Long C C DOS int _7200_DI U32 aux_di Argument aux d returns 4 bit value from auxiliary digital input port Return Code ERR_NoError ERR_FunctionNotAvailable C C Libraries e 33 5 6 7200 AUX DI Channel Description Read data from auxiliary digital input channel of cPCI 7200 card There are 4 digital input channels on the cPCI 7200 auxiliary digital input port When performs this function the auxiliary digital input port is read and the value of the corresponding channel is returned channel means each bit of digital
18. KHz 4Mhz 40 x 40 Installation e 15 3 Registers Format 3 1 I O Registers Format The PCI 7200 occupies 8 consecutive 32 bit I O addresses in the PC I O address space and the cPCl 7200 occupies 9 consecutive 32 bit I O addresses Table 4 1 shows the I O Map _Base C_ GLK Control CWO Base 10 DigitalinputRea_ ____ Digital Output ini Read back Digital Output Reg DIO Status amp Control DIO Status amp Control INT Status amp Control INT Status amp Control Base 20 cPCI 7200 AUXDIO Reg AUXDO Reg only Caution 1 I O port is 32 bit width 2 8 bit or 16 bit I O access is not allowed 16 e Registers Format 3 2 Digital Input Register BASE 10 32 digital input channels can be read from this register Address BASE 10 Attribute READ Only Data Format tene 7 le e e E PBase 10 D7 D6 D5 D4 o De oN DO Base 11 Dns Di14 Dna ona DI DIO DB De 3 3 Digital Output Register BASE 14 32 digital output channels can be write and read back from this register Address BASE 14 Attribute READ WRITE Data Format ces z e e e e a ER Base 14 DO7 Do6 DOS DO4 DOs DO2 Doi DOO Base 15 DOTS D014 D013 DOT DOTT DOTO Dos Dos The digital output status can be read back through the same location BASE 14 3 4 DIO Status amp Control Register BASE 18 The data transfer mode of digital input is
19. NuDAQ NulPC PCI 7200 cPCI 7200 12MB S High Speed Digital Input Output Card User s Guide Recycled Paper Copyright 1999 2000 ADLINK Technology Inc All Rights Reserved Manual Rev 2 20 October 14 2000 The information in this document is subject to change without prior notice in order to improve reliability design and function and does not represent a commitment on the part of the manufacturer Inno event will the manufacturer be liable for direct indirect special incidental or consequential damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages This document contains proprietary information protected by copyright All rights are reserved No part of this manual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer Trademarks NuDAQ NuIPC DAQBench are registered trademarks of ADLINK Technology Inc Other product names mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies Getting service from ADLINK Customer Satisfaction is always the most important thing for ADLINK Tech Inc If you need any help or service please contact us and get it ADLINK Technology Inc http www adlinktechnology com Technical r Support 9F No 166 Jian Yi Road Chungho City Taipe
20. O is not empty and PCI bus is not occupied the data will be transferred to main memory Operation Theorem e 25 Digital Input DATA IN REQ al l 4 Latch Digital Input or Digital Output ao le PC s Main Memory CJ iit __ Bus mastering Digital Input FIFO DMA data Transfer O_REQ amp O_ACK for Digital Output 1 Digital Output Data is moved from PC memory to FIFO o f PCI 7200 by using DMA data mastering data transfer 2 Move output data from FIFO to digital output circuit 3 Output data is ready 4 An O_REQ signal is generated and sent to outside device 5 After an O_ACK is got the step 2 to step 5 will be repeated again If the FIFO is not full the output data is moved form PC s main memory to FIFO automatically Digital Output DATA O_REQ com ae E Move Data to O ACK Digital Output Memory Bus mastering Digital Output FIFO DMA data Transfer 26 e Operation Theorem 4 5 Timing Characteristic 1 _REQ as input data strobe Rising Edge Active IN_I REQ D10 DI31 e Jamie PP kand dat2 gt tn gt 60ns t gt 60ns tcyc gt 5 PCI CLK Cycle ts gt 2ns tn gt 30ns 2 1 REQ as input data strobe Falling Edge Active INR LREQ Z Z N D10 DI31 lt patie gata gt valid da gt tn gt 60ns t gt 60ns tcyc gt 5 PCI CLK Cycle ts gt 2ns tn gt 30ns Operation Theorem e 27 3 1 REQ amp I_ACK Handshaking t5 IN I_REQ IN LACK D10
21. OS the start address of the memory buffer to store the DO data This memory should be double word alignment repeat The digital output will be continuous or only one shot CONTINUOUS digital output will be continuous until the 7200_DO_DMA_STOP is called ONE_SHOT digital output only one shot Return Code ERR_NoError ERR_InvalidDIMode ERR_InvalidBoardNumber ERR_BoardNoInit ERR_InvalidDIOCnt ERR_NotDWordAlign ERR_DMATransferNotAllowed 5 25 7200 DO DMA Status Description Since the 200 DO DMA Start function is executed in background you can issue the function _7200 DO DMA Status to check its operation status Syntax Visual C Windows 95 int W_7200_DO_DMA Status U8 status U32 count Visual Basic Windows 95 W_7200_DO_Status status As Byte count As Long As Long C C Libraries e 47 C C DOS int _7200_DO_DMA_ Status U8 status U32 count Argument status status of the DMA data transfer 0 DO_DMA_ STOP DMA is completed 1 DO_DMA_RUN DMA is not completed count the numbers of DO data which has been transferred Return Code ERR_NoError 5 26 7200 DO DMA Stop Description This function is used to stop the DMA DO operation After executing this function the 2200 DO DMA Start function is stopped The function returns the number of the data which has been transferred no matter if the digital output DMA data transfer is stopped by this function or by the DMA terminal
22. R_SmallerdMAMemAllocated and actual size denotes C C Libraries e 39 the actual size of allocated memory for each half of circular buffer Return Code ERR_NoError ERR_SmallerDMAMemAllocated 5 16 7200 Free DBDMA Mem Description Release a system circular buffer DMA memory under Windows 95 98 environment This function is only available in Windows 95 98 version For double buffered transfer principle please refer to Section 6 Double Buffered Mode Principle Syntax Visual C Windows 95 int W_7200_Free_DBDMA Mem U32 handle Visual Basic Windows 95 W_7200_Free_DBDMA_Mem ByVal handle As Long As Long Argument handle The handle of sys tem DMA memory to release Return Code ERR_NoError 5 17 7200 DI DMA Start Description The function will perform digital input N times with DMA data transfer by using one of the following four sampling modes 1 pacer trigger internal timer trigger 2 external rising edge _IRQ 3 external falling edge _IRQ 4 1 REQ amp I_ACK handshaking It will take place in the background which will not stop until the Nth input data is transferred or your program execute _7200_DI DMA Stop function to stop the process After executing this function itis necessary to check the status of the operation by using the function _7200_DI DMA_ Status The PCI 7200 Bus mastering DMA is different from traditional PC style DMA Its description is as follow 40 e C C Libraries B
23. Ready Booelan halfReady Argument halfReady 1 TRUE or 0 FALSE Return Code ERR_NoError 5 22 7200 DbIBufferTransfer Description Using this function to copy the input data in the circular buffer to the transfer buffer It copies half of the circular buffer either first half or second half to the transfer buffer Syntax Visual C Windows 95 int W_7200_Db1BufferTransfer U32 userBuffer Visual Basic Windows 95 W_7200_Db1BufferTransfer userBuffer As Long As Long C C DOS int _7200_Db1BufferTransfer U32 userBuffer Argument userBuffer the start address of the transfer buffer W_7200_DblBufferTransfer function copies half of the circular buffer to userBuffer Return Code ERR_NoError ERR_NotHalfReady C C Libraries e 45 5 23 7200 GetOverrunStatus Description When you use _7200_DI_DMA_Start to convert Digital I O data with double buffer mode enabled and if you do not use _7200 DblBufferTransfer to move converted data then the double buffer overrun will occur using this function to check overrun count Syntax Visual C Windows 95 int W_7200_GetOverrunStatus U32 overrunCount Visual Basic Windows 95 int W_7200_GetOverrunStatus overrunCount As Long As Long C C DOS int _7200_GetOverrunStatus U32 overrunCount Argument overrunCount number of overrun counts Return Code ERR_NoError 5 24 7200 DO DMA Start Description The function will perform digital output N times
24. al I O can have simple handshaking data transfer 4 1 Direct Program Control The digital I O operations can be controlled by I O port BASE 10 for digital input and BASE 14 for digital output The I O port address BASE is assigned by system BIOS please refer to Section 5 for more detailed description The digital OUT operation is outport BASE 14 OXAAAAAAAA A 0 F The digital IN operation is value inport BASE 10 The input status is save in the value variable Operation Theorem e 23 4 2 Timer Pacer Mode The digital I O access control is clocked by timer pacer which is generated by an interval programming timer counter chip 8254 There are three timers on the 8254 The timer 0 is used to generate timer pacer for digital input and timer 1 is used for digital output The configuration is illustrated as below 8254 Timer Counter Digital Input Timer Pacer li JUUL 4MHz Clock Digital Output Timer Pacer The operation sequences are 1 Define the frequency timer pacer rate 2 The digital input data are saved in FIFO after a timer pacer pulse is generated The sampling is controlled by timer pacer 3 The data saved in FIFO will be transferred to main memory of your computer system directly and automatically This is controlled by bus mastering DMA control this function is supported by PCI controller chip The operation flow is show as following CLKO Timer 0 To Digital Input Trigger
25. any other methods PCI slot selection The PCI card can be inserted to any PCI slot without any configuration for system resource CompactPCI peripheral slots are marked with a circle on the backplane Please note that the PCI and CompactPCI system board must provide bus mastering capability to operate this board well Installation Procedures 1 Turn off your computer 2 Turn off all accessories printer modem monitor etc connected to your computer 3 Remove the cover from your computer 4 Setup jumpers on the PCI or CompactPCI card 5 Select a 32 bit PCI slot PCI slot are short than ISA or EISA slots and are usually white or ivory 6 Before handling the PCI cards discharge any static buildup on your body by touching the metal case of the computer Hold the edge and do not touch the components 7 Position the board into the PCI slot you selected 8 Secure the card in place at the rear panel of the system Running the 7200UTIL EXE The IRQ number and I O port address can be configured by the system By using the 7200UTIL EXE you can get the above values and they are displayed by this utility A testing program is included in this utility you can check if your PCI 7200 can work properly Refer Section 5 2 for further detailed information Installation e 11 2 6 Connector Pin Assignments 2 6 1 PCI 7200 Pin Assignments The PCI 7200 comes equipped with one 37 pin D Sub connector CN2 located on the rear mounting plate a
26. aranteed The guaranteed data rate with internal clock or external clock mode is 1MB sec in a machine that PCI 7200 card is the only device using the bus The largest transfer size in bytes PCI 7200 can perform is 64 MB 54 e Limitation Product Warranty Service Seller warrants that equipment furnished will be free form defects in material and workmanship for a period of one year from the confirmed date of purchase of the original buyer and that upon written notice of any such defect Seller will at its option repair or replace the defective item under the terms of this warranty subject to the provisions and specific exclusions listed herein This warranty shall not apply to equipment that has been previously repaired or altered outside our plant in any way as to in the judgment of the manufacturer affect its reliability Nor will it apply if the equipment has been used in a manner exceeding its specifications or if the serial number has been removed Seller does not assume any liability for consequential damages as a result from our products uses and in any event our liability shall not exceed the original selling price of the equipment The equipment warranty shall constitute the sole and exclusive remedy of any Buyer of Seller equipment and the sole and exclusive liability of the Seller its successors or assigns in connection with equipment purchased and in lieu of all other warranties expressed implied or statutory including
27. atton SEENEN ENEE ENEE 30 5 2 Programming GU Q illl kk kaka kaka kk kaka ka aA 31 5 2 1 Naming CONventioN ccciriri civici civici nininininine 31 5 2 2 Data TypesS rrrrcriiiriririarirrerii resina sioni k na in n l renne 31 5 3 7200 initial annaua erana EAA AKNAN NAANA ENA aa 32 5 4 _7200 Switch Card No REENEN EEN EEN 33 5 5 200 AUX DI is sai ysryan nn kek weka kana eg eege e V RRA RE Q KORA KE 33 5 6 _7200 AUX DI Channel REENEN ENNEN 34 5 7 7200 AUX DO air 34 5 8 _7200 AUX _DO_Channel lslll kk kkkkkekkk 35 n We er Nu BEE 35 5 10 _7200 DI Channel REENEN ENEE kk ENEE 36 5 11 T7200 DO WE 36 5 12 _7200 DO Channel ii 37 5 13 _7200 Alloc DMA_Memm 2 ccceseseceeeeeeeeeeeeeeeeeeees 38 5 14 _7200 Free DMA_Menm 22 ccceeeeeceeeeeeeeeeeeeeeeeeeee 39 5 15 _7200 Alloc DBDMA Mem gt 39 5 16 _7200 Free DBDMA Mem 40 5 17 _7200 DI DMA Start ii 40 5 18 _7200 DI DMA Status NENNEN EEN 43 5 19 _7200 DI DNA Stop ENNER EEN 44 5 20 _7200 DblBufferMode gt 44 5 21 _7200 CheckHalfReady gt 45 5 22 _7200 DblIBufferTransfer 1 gt 45 5 23 _7200 GetOverru
28. count ISR Syntax Visual C Windows 95 int W_7200_DO_DMA_ Stop U32 count Visual Basic Windows 95 W_7200_DO_DMA_Stop count As Long As Long C C DOS int _7200_DO_DMA_Stop U32 count Argument count the number of digital output data which has been transferred Return Code ERR_NoError ERR_BoardNoInit 48 C C Libraries 5 27 _7200 DI Timer Description This function is used to set the internal timer pacer for digital input There are two configurations for the internal timer pacer 1 Non cascaded One COUNTER 0 only 8254 Timer Counte 4MHz Input Counter 0 SUOL JUUL CLKO F Digital Input Trigg Timer pacer frequency 4Mhz CO 2 Cascaded TIME2 cascaded with COUNTERO 8254 Timer Counte nere 0 i SUOL L GATE0 OUTA Digital Input Trig Counter 1 ATEI OUT 4MHz Input JUUL Counter 2 LK2 GATEZ OUT Timer pacer frequency 4Mhz CO C2 Syntax Visual C Windows 95 int W_7200_DI_Timer U16 c0 U16 c2 Boolean mode Visual Basic Windows 95 W_7200_DI_Timer ByVal c0 As Integer ByVal c2 As Integer ByVal mode As Byte As Long C C DOS int _7200_DI_Timer U16 c0 U16 c2 Boolean mode Argument c0 frequency divider of Counter 0 Valid value ranges from 2 to 65535 c2 frequency divider of Counter 2 Valid value ranges from 2 to 65535 C C Libraries e 49 Note Since the Integer type in Visual Basic is signed integer Its ra
29. dle As Long ByVal wait_trg as Byte ByVal trg_pol As Byte ByVal clear_fifo As Byte ByVal disable_di As Byte As Long C C DOS int _7200_DI_DMA Start U8 mode U32 count U32 di_buffer Boolean wait_trig U8 trig_pol Boolean clear_fifo Boolean disable_di Argument mode Digital Input trigger modes DI_MODEO Internal timer pacer TIME 0 DI_MODEI external signal _ REQ rising edge DI_MODE 2 external signal _ REQ falling edge DI MODE3 1_ REQ amp I_ACK handshaking count For non double buffered DI this parameter denotes the number of digital input samples to read For double buffered DI it is the size of circular buffer in samples not in bytes handle Win 95 the handle of system DMA memory In Windows 95 environment before calling _7200_DI DMA_ Start depending on using double butter mode or not either 7200 Alloc DMA Mem or 7200_Alloc_DBDMA_Mem must be called to allocate a contiguous DMA memory and get the handle of it d butter DOS If double buffer mode is disabled this is the start address of the memory buffer to store the DI data If double buffer mode is enabled this memory buffer is actually of no use But the buffer size still must be larger than the number of count that is count 4 bytes You can use this buffer as transfer buffer in _7200 DblBufferTransfer to make use of this buffer This memory should be double word alignment wait_trig The waiting status of trigger DI_NONWAITING the input sampling will
30. e 1 Output REQ is enabled an O_REQ strobe will be generated after output data is ready 0 Output REQ is disabled O_TIME1 Output Timer 1 Enable 1 Output Timer 1 is enabled output data is moved from output FIFO to DO registers when output of Counter1 goes low 0 Output Counter 1 is disabled O_FIFO Output FIFO Enable 1 Output FIFO is enabled output data is moved from output FIFO 0 Output FIFO is disabled 18 e Registers Format O_TRG Digital Output Trigger Signal This bit is used to control the O_TRG output of PCI 7200 the signal is on CN1 pin 36 of PCI 7200 or CN1 pin 26 of cPCI 7200 when 1 O_TRG 1 goes High 1 0 O_TRG 1 goes Low 0 Digital I O FIFO Status I_OVR Input data overrun 1 Digital Input FIFO is full overrun during input data transfer 0 No input data overrun occurred Input data overrun occurred the _OVR bit is set when input FIFO is full and there is new input data coming in This bit can be cleared by writing 1 to it O_UND Output data FIFO is underrun 1 Output FIFO is empty during output data transfer 0 No output data underrun occurred Output data underrun the O_UND bit is set when output FIFO is empty and the output request for new data this bit can be cleared by writing 1 to it 3 5 Interrupt Status amp Control Register BASE 1C The interrupt modes status are set checked through this register Address BASE 1C Attribute READ WRITE Data Format a MET Ek KEDI MIRAT
31. e register can clear all the interrupt status In order to make the interrupt work properly the interrupt service routine has to clear all the interrupt status before end of the ISR Timer Configuration Control The 8254 timer on the PCI 7200 can be configured as either timer 0 cascaded with timer 2 or timer 1 cascaded w ith timer2 These configuration are controlled by the following bits TO_T2 Timer 0 is cascaded with timer 2 1 Timer 0 and timer 2 are cascaded together output of timer 2 connects to the clock input of timer 0 0 Not cascaded the 4 MHz clock is connected to the timer 0 clock input 20 e Registers Format T1 T2 Timer 1 is cascaded with timer 2 1 Timer 1 and timer 2 are cascaded together output of timer 2 connects to the clock input of timer 1 0 Not cascaded the 4 MHz clock is connected to the timer 1 clock input REQ Polarity Selection When the input sampling is controlled by the REQ signal only the REQ can be programmed to be rising edge active or falling edge active REQ NEG REQ trigger polarity 1 latch input data on falling edge of REQ 0 latch input data on rising edge of REQ FIFO Control and Status cPCI 7200 only The cPCI 7200 has an extra 2K samples digital input FIFO The FIFO can be cleared and monitored by the following bits FIFORST Write only Clear the on board DI FIFO 1 Write 1 to clear the data of the FIFO 0 No operation FIFOEF Read only Empty flag
32. eration Theorem describes how the PCI 7200 works Chapter 5 C C amp DLL Library describes the high level C and DLL library functions It will help you to programming in DOS Win 3 11 and Win 95 environments Chapter 6 Double Buffer Mode Principle describes the data buffer for double buffered DMA DI operation Chapter 7 Limitation describes three limitations on using PCI 7200 1 Introduction The PCI 7200 cPCI 7200 is PCI CompactPCI form factor high speed digital I O card it consists of 32 digital input channels and 32 digital output channels High performance designs and the state of the art technology make this card suitable for high speed digital input and output applications The PCI 7200 performs high speed data transfers using bus mastering DMA via 32 bit PCI bus architecture The maximum data transfer rates can be up to 12MB per second It is very suitable for interfacing high speed peripherals and your computer system Several different digital UO operation modes are supported 1 Direct Program Control the digital inputs and outputs can be accessed and controlled by its corresponding I O ports directly 2 Timer Pacer Mode the digital input and output operations are handled by internal timer pacer clock and transferred by bus mastering DMA 3 External Clock Mode the digital input operations are handled by external input strobe signal I_ REQ and transferred by bus mastering DMA 4 Handshaking thr
33. escribed above If you use _7200 DblBufferMode to enable double buffer mode the following _7200_DI DMA_ Start will perform double buffered DMA DI You can call _7200_CheckHalfReady to check if data in the circular buffer is half full and ready for copying to the transfer buffer Then you can call _7200_DblBufferTransfer to copy data from the ready half buffer to the transfer buffer In Win 95 version W_7200_Alloc DBDMA_Mem is needed to allocates a contiguous DMA memory for the circular buffer The buf size argument of W_7200_Alloc_DBDMA_Mem is the half size of circular buffer in byte that is the size of each half buffer in byte The DMA memory is referenced by the return parameter handle This memory is system memory users are not allowed to access it directly Double Buffer Mode Principle e 53 7 Limitation The 12 MB sec data transfer rate can only be possibly achieved in a system in which the PCI 7200 card is the only device using the bus but the speed can not be guaranteed due to the limited FIFO depth PCI 7200 supports three input clock modes internal clock external clock and handshaking modes The first two modes cannot guarantee the input data integrity in high speed data rate because of the limited FIFO depth and the PCl bus latency variation The handshaking mode is the only mode that data integrity can be guaranteed In handshaking mode you can expect 12 MB sec data rate in average but the speed is not gu
34. he user s guide and function reference manual of PCIS DASK X are in the CD Manual_PDF Software PCIS DASK X The above software drivers are shipped with the board Please refer to the Software Installation Guide to install these drivers 4 e Introduction 1 4 2 PCIS LVIEW LabVIEW Driver PCIS LVIEW contains the VIs which are used to interface with NI s LabvIEW software package The PCIS LVIEW supports Windows 95 98 NT 2000 The LabVIEW drivers are free shipped with the board You can install and use them without license For detail information about PCIS LVIEW please refer to the user s guide in the CD Manual_PDF Software PCIS LVIEW 1 4 3 PCIS VEE HP VEE Driver The PCIS VEE includes the user objects which are used to interface with HP VEE software package PCIS VEE supports Windows 95 98 NT The HP VEE drivers are free shipped with the board You can install and use them without license For detail information about PCIS VEE please refer to the user s guide in the CD Manual_PDF Software PCIS VEE 1 4 4 DAQBench ActiveX Controls We suggest the customers who are familiar with ActiveX controls and VB VC programming use the DAQBench ActiveX Control components library for developing applications The DAQBench is designed under Windows NT 98 For more detailed information about DAQBench please refer to the user s guide in the CD Manual_PDF Software DAQBench DAQBench Manual PDF
35. his only with the module place on a firm flat surface Note DO NOT APPLY POWER TO THE CARD IF IT HAS BEEN DAMAGED You are now ready to install your PC 7200 2 3 Device Installation for Windows Systems Once Windows 95 98 2000 has started the Plug and Play function of Windows system will find the new NUDAQ NuIPC cards If this is the first time to install NuDAQ NulIPC cards in your Windows system you will be informed to input the device information source Please refer to the Software Installation Guide for the steps of installing the device 8 e Installation 2 4 cPCI PCI 7200 s Layout LNO J9 0 14U0D sng Cd VUILIV Ly A9Y 0072 19d Figure 2 1 a PCI 7200 Layout Diagram Installation e 9 LL Ke SKI ke Che i O un 25 i A A38 0024 1349 Figure 2 1 b cPCI 7200 Layout Diagram 10 e Installation 2 5 Hardware Installation Outline Hardware configuration The PCI cards or CompactPCI cards are equipped with plug and play PCI controller it can request base addresses and interrupt according to PCI standard The system BIOS will install the system resource based on the PCI cards configuration registers and system parameters which are set by system BIOS Interrupt assignment and memory usage I O port locations of the PCI cards can be assigned by system BIOS only These system resource assignments are done on aboard by board basis It is not suggested to assign the system resource by
36. i 235 Taiwan R O C Please inform or FAX us of your detailed information for a prompt satisfactory and constant service Detailed Company Information Company Organization Contact Person E mail Address o i Address Country JEM eos i _____ Huesen J roduct Model i O OS LI Computer Brand O MB O Chipset O Video Card O Network Interface Card O Other Challenge Description Table of Contents Chapter 1 INtroductiOn scsscssseseesesscesseesseenenseeeneeneeeets 1 1 1 Applications dese EES kk kk kk kk kk kk kaka kak kk KAKA KEKE 1 12 Features ai 2 1 3 Specifications sicazi icaro 2 1 4 Software SUPPOrtingd ceececceeeeeeeeeeeeeeeeeeeeseeeeeeeseeeeeeees 4 1 4 1 Programming Library x ucrriirii riarmo 4 1 4 2 PCIS LVIEW LabVIE w gh eee 5 1 4 3 PCIS VEE HP VEE Dtriver uworrnciriniineiinii 5 1 4 4 DAQBench ActiveX Controls Een 5 EAS DASYLab PRO EE 5 1 46 PCIS DDE DDE Server and INTOUCH 5 1 4 7 PCIS ISG IS AGRAF H drivet EE 6 1 4 8 PCIS ICL InControl Driver 6 1 4 9 PCIS OPC OPC S rve b a ssccssssscesscsssssesersnrscssersnsassssnsnssensensanaes 6 Chapter 2 InstallatiON riiii iii 7 2 1 What You Have ii iii Seege 7 2 27 Unpacking sieaa ai 8 2 3 Device Installation for Windows Systems 8 2 4 cPCI PCI 7200 S Layout A
37. input port Syntax Visual C Windows 95 int W_7200_AUX_DI_Channel U8 di_ch_no Boolean aux_data Visual Basic Windows 95 W_7200_AUX_DI_Channel ByVal di_ch_no As Byte aux_data As Byte As Long C C DOS int _7200_AUX_DI_Channel U8 di_ch_no Boolean aux_data Argument di_ch_no the DI channel number the value has to be set within 0 and 3 aux_data return value either 0 or 1 Return Code ERR_NoError ERR_InvalidDIChannel ERR_FunctionNotAvailable 5 7 _7200 AUX DO Description Write data to auxiliary digital output port There are 4 auxiliary digital outputs on the cPCI 7200 Syntax Visual C Windows 95 int W_7200_AUX_ DO U32 aux do Visual Basic Windows 95 W_7200_AUX_DO ByVal aux do As Long As Long C C DOS int _7200_AUX_ DO U32 aux_do Argument aux_do value will be written to auxiliary digital output port Return Code ERR_NoError ERR_FunctionNotAvailable 34 e C C Libraries 5 8 _7200 AUX DO Channel Description Write data to auxiliary digital output channel bit There are 4 auxiliary digital output channels on the cPCI 7200 When performs this function the digital output data is written to the corresponding channel channel means each bit of digital input port Syntax Visual C Windows 95 int W_7200_AUX_DO_Channel U8 do_ch_no Boolean aux_data Visual Basic Windows 95 W_7200_AUX_DO_Channel ByVal do_ch_no As Byte ByVal aux_data As Byte As Long C
38. is no more jumper or DIP switch setting for configuration The Interrupt number and I O port address are assigned by the system BIOS during system boot up 2 1 What You Have In addition to this User s Manual the package includes the following items PCI 7200 Digital I O amp Counter Card Include ACL 10437 40 pin to 37 pin D Sub cable or cPCI 7200 Digital I O amp Counter Module for 3U CompactPCI Include 100 pin SCSI connector assembly ADLINK CD Software Installation Guide 00 If any of these items is missing or damaged contact the dealer from whom you purchased the product Save the shipping materials and carton in case you want to ship or store the product in the future Installation e 7 2 2 Unpacking Your PCI 7200 card contains sensitive electronic components that can be easily damaged by static electricity The card should be done on a grounded anti static mat The operator should be wearing an anti static wristband grounded at the same point as the anti static mat Inspect the card module carton for obvious damage Shipping and handling may cause damage to your module Be sure there are no shipping and handling damages on the module before processing After opening the card module carton extract the sys tem module and place it only on a grounded anti static surface component side up Again inspect the module for damage Press down on all the socketed IC s to make sure that they are properly seated Do t
39. l clock handshake or external strobe 2 MHz 8MHzZ by internal timer pacer transfer e FIFO 8 words 32 bit for PCI 7200 2K 8 words 32 bit for cPCI 7200 2 e Introduction Input Voltage Low Min 0V Max 0 8V High Min 2 0V Input Load Low 0 5V 0 6mA max High 2 7V 20HA max Output Voltage Low Min 0V Max 0 5V High Min 2 7V Driving Capacity Low Max 0 5V at 24mA Sink High Min 2 4V at 3 0mA Source Programmable Counter Device 82C54 10 with a 4MHz time base Timer 0 DI clock source Timer 1 DO clock source Timer2 Base clock of Timer 0 and Timer 1 Pacer Output 0 00046 Hz 2MHz General Specifications Operating Temperature 0 C 60 C Storage Temperature 20 C 80 C Humidity 5 95 non condensing Connector PCI 7200 one 37 pin D type and one 40 pin ribbon connector cPCI 7200 one 100 pin SCSl type connector Dimension PCI 7200 Compact size only 148mm L X 102mm H cPCI 7200 Standard 3U CompactPCI form factor Power Consumption PCI 7200 5 V 720 mA typical cPCI 7200 5 V 820 mA typical Introduction e 3 1 4 Software Supporting ADLink provides versatile software drivers and packages for users different approach to built up a system We not only provide programming library such as DLL for many Windows systems but also provide drivers for many software package such as LabVIEW HP VEE DASYLab InTouch InControl ISaGRAF and so on A
40. ll the software options are included in the ADLink CD The non free software drivers are protected with serial licensed code Without the software serial number you can still install them and run the demo version for two hours for demonstration purpose Please contact with your dealer to purchase the formal license serial code 1 4 1 Programming Library For customers who are writing their own programs we provide function libraries for many different operating systems including DOS Library Borland C C and Microsoft C the functions descriptions are included in this user s guide Windows 95 DLL For VB VC Delphi BC5 the functions descriptions are included in this user s guide PCIS DASK Include device drivers and DLL for Windows 98 Windows NT and Windows 2000 DLL is binary compatible across Windows 98 Windows NT and Windows 2000 That means all applications developed with PCIS DASK are compatible across Windows 98 Windows NT and Windows 2000 The developing environment can be VB VC Delphi BC5 or any Windows programming language that allows calls to a DLL The user s guide and function reference manual of PCIS DASK are in the CD Please refer the PDF manual files under the following directory Manual_ PDF Software PCIS DASK PCIS DASK X Include device drivers and shared library for Linux The developing environment can be Gnu C C or any programming language that allows linking to a shared library T
41. nStatus i EEN 46 5 24 _7200 DO DMA_ Start EEN EEN 46 5 25 _7200 DO DMA Status EEN 47 5 26 _7200 DO DMA Stop 48 5 27 7200 DI_Timer ala aa 49 5 28 _T7200_DO_ Time K il kk kk kk kk kk AA kK KAKA KAKA AA 50 Chapter 6 Double Buffer Mode Principle 52 Chapter 7 Limitation srreece in eeneceneeiieniiiniene 54 Product Warranty Service errrerie reni inine 55 ii e Table of Contents How to Use This Guide This manual is designed to help you use the PCI 7200 and cPCI 7200 The functionality of PCI 7200 and cPCI 7200 are the same except that cPCI 7200 has 4 auxiliary digital input and output Therefore the PCI 7200 represents both PCI 7200 and cPCI 7200 if not specified The manual describes how to modify various settings on the PCI 7200 card to meet your requirements It is divided into seven chapters Chapter 1 Introduction gives an overview of the product features applications and specifications Chapter 2 Installation describes how to install the PCI 7200 The layout of PCI 7200 is shown and the installation procedures pin assignment of connectors and timer pacer generation are specified Chapter 3 Register Structure amp Format describes the low level register structure and format of the PCI 7200 Chapter 4 Op
42. nd one 40 pin female flat cable header connector CN1 The CN2 is located on the rear mounting plate the CN1 is on front of the board Refer section 2 2 PCI 7200 s layout CN2 is used for digital inputs DI 0 DI 15 and digital outputs DO 0 DO 15 and the reminder digital I O channels DI 16 DI 31 and DO 16 DO 31 are presented on the CN1 The pin assignment of CN1 and CN2 is illustrated in the figure 2 2 and 2 3 Legend DOn Digital Output CH n Din Digital Input CH n GND Ground ACK ACK Signal of handshaking communication REQ REG Signal of handshaking communication I TRG Input signal to start the DI data sampling O_TRG Output signal can be controlled by software DO16 DO17 DO18 DO19 DO20 DO21 DO22 DO23 DO24 DO25 DO26 DO27 DO28 DO29 DO30 DO31 GND O_TRI N C N C Figure 2 2 CN1 Pin Assignments 12 Installation DIO DI 1 DI 2 DI 3 DI 4 DI 5 DI 6 DI 7 DI 8 DI 9 DI10 DI11 DI12 DI13 DI14 DI15 5V LACK I REQ 0000000000000000000 Q O Q Q QO Q Q Q O Q 000000 20 21 23 24 25 26 35 36 37 DOO DO DOG DO3 DO4 DOS DO6 DO7 DO8 DO9 DO10 DO11 DO12 DO13 DO14 DO15 GND I_TRG Figure 2 3 CN2 Pin Assignments Installation e 13 2 6 2 cPCI 7200 Pin Assignments 51 1 DOO 26 O_TRG 103 2 DO2 27 O_REQ 3 DO4 28 O_ACK 4 DO6 29 AUXIN2 5 DO8 30 AUXIN3 6 DO10 31 5Vout 7 DO12 32 5Vout 8 DO14 33 GND 9 GND 3
43. nge is within 32768 and 32767 In Visual Basic if you want to set c0 or c2 as value larger than 32767 please set it as the intended value minus 65536 For example if you want to set c0 as 40000 please set c0 as 40000 65536 25536 mode TIMER_NONCASCADE or TIMER_CASCADE Return Code ERR_NoError ERR_InvalidBoardNumber ERR_InvalidTimerMode ERR_BoardNoInit 5 28 7200 DO Timer Description This function is used to set the internal timer pacer for digital output There are two configurations for the internal timer pacer 1 Non cascaded One COUNTER 0 only 8254 Timer Counte 4MHz Input Counter 1 FW nn al Digital Output Trigg Timer pacer frequency 4Mhz C1 2 Cascaded TIME2 cascaded with COUNTERO 8254 Timer Counte Digital Input Trig 4MHz Input UU Counter 2 d E OUT2 Timer pacer frequency 4Mhz C1 C2 50 e C C Libraries Syntax Visual C Windows 95 int W_7200_DO_Timer U16 cl U16 c2 Booelan mode Visual Basic Windows 95 W_7200_DO_Timer ByVal cl As Integer ByVal c2 As Integer ByVal mode As Byte As Long C C DOS int _7200_DO_Timer U16 cl U16 c2 Boolean mode Argument c1 frequency divider of Counter 1 c2 frequency divider of Counter 2 Note Since the Integer type in Visual Basic is signed integer Its range is within 32768 and 32767 In Visual Basic if you want to set c1 or c2 as value larger than 32767 please set it as the intended value minu
44. nuously loop until the conditions are satisfied again but will not exit the block transfer cycle if the block count is not complete lf there is momentarily no input data the PCI 7200 will relinquish the bus temporarily but returns immediately when more input data appear This operation continues until the whole block is done 4 This operation proceeds transparently until the PCI controller transfer byte count is reached All normal PCI bus operation applies here such as a receiver which cannot accept the transfers higher priority devices requesting the PCI bus etc Remember that only one PCI initiator can have bus mastering at any one time However review the PCI priority and fairness rules Also study the effects of the Latency Timer And be aware that the PCI priority strategy round robin rotated fixed priority custom etc is unique to your host PC and is explicitly not defined by the PCI standard You must determine this priority scheme for your own PC or replace it The interrupt request from the PCI controller can be optionally set up to indicate that this loanword count is complete although this can also be determined by polling the PCI controller C C Libraries e 41 Syntax Visual C Windows 95 int W_7200_DI_DMA Start U8 mode U32 count U32 handle Boolean wait_trg U8 trg_pol Boolean clear_fifo Boolean disable_di Visual Basic Windows 95 W_7200_DI_DMA Start ByVal mode As Byte ByVal count As Long ByVal han
45. of the DI FIFO 1 DI FIFO is empty 0 DI FIFO is not empty FIFOFF Read only Full flag of the DI FIFO 1 DI FIFO is full 0 DI FIFO is not full Note The cPCI 7200 has 2 cascaded DI FIFOs One is located in the PCI controller chip the other one is on the PCI 7200 board The above bits only control the on board FIFO In order to control the on chip FIFO please refer to the AMCC 5933 data book Registers Format e 21 3 6 8254 Timer Registers BASE 0 The 8254 timer counter IC occupies 4 I O address Users can refer to Tundra s or Intel s data sheet for a full description of the 8254 features You can download the 8254 data sheet from the following web site http support intel com support controllers peripheral 231164 htm or http www tundra com for Tundra s 82C54 datasheet C Base o SEK Control CWO 22 e Registers Format Operation Theorem In PCI 7200 there are four data transfer modes can be used for digital I O access and control these modes are 1 Direct Program Control the digital inputs and outputs can be read written and controlled by its corresponding I O port address directly 2 Internal Timer Pacer Mode the digital input and output operations are paced by internal timer pacer and transferred by bus mastering DMA 3 External Clock Mode the digital input operation is clocked by external I REQ strobe and transferred by bus mastering DMA 4 Handshaking through REQ and ACK signals the digit
46. ough REQ signal and ACK signal the digital I O data can have simple handshaking data transfer 1 1 Applications Interface to high speed peripherals High speed data transfers from other computers Digital I O control Interface to external high speed A D and D A converter Digital pattern generator Waveform and pulse generation BCD interface driver Introduction e 1 1 2 Features The PCI 7200 high speed DIO Card provides the following advanced features 32 TTL digital input channels 32 TTL digital output channels Transfer up to 12M Bytes per second High output driving and low input loading 32 bit PCI bus Plug and Play On board internal timer pacer clock Internal timer controls input sampling rate Internal timer controls digital output rate ACK and REQ for handshaking On board 32 byte FIFO for both digital input and output Extra 8 Kbytes digital input FIFO for cPCI 7200 4 auxiliary digital input and output channels cPCI 7200 only Diode terminators for 32 input channels and control signals cPCI 7200 only 0 0 000 0 0 0 4 4 4 7 Multiple interrupt sources are selectable by software m LA Specifications Digital I O DIO Number of DI Channels 32 TTL compatible Number of DO Channels 32 TTL compatible e Data Transfer Mode Program I O Internal timer pacer transfer External _REG strobe input Handshake data transfer Maximum Transfer Speed 3 MHz 12MHz by externa
47. s 65536 For example if you want to set c1 as 40000 please set c1 as 40000 65536 25536 mode TIMER_NONCASCADE or TIMER CASCADE Return Code ERR_NoError ERR_InvalidBoardNumber ERR_InvalidTimerMode ERR_BoardNoInit C C Libraries e 51 Double Buffer Mode Principle The data buffer for double buffered DMA DI operation is a circular buffer logically It logically divided into two equal halves The double buffered DI begins when device starts writing data into the first half of the circular buffer Figure 6 1a After device begins writing to the second half of the circular buffer you can copy the data from the first half into the transfer buffer Figure 6 1b You now can process the data in the transfer buffer according to application needs After the board has filled the second half of the circular buffer the board returns to the first half buffer and overwrites the old data You now can copy the second half of the circular buffer to the transfer buffer Figure 6 1c The data in the transfer buffer is again available for process The process can be repeated endlessly to provide a continuous stream of data to your application Figure 6 1d a Incoming DMA input dala Circular Buffer K sch WW ZIE Transfer Buffer C_ VEH Empty Buffer iz Untransferred Data C Transferred Data Figure 6 1 52 e Double Buffer Mode Principle The PCI 7200 double buffer mode functions were designed according to the principle d
48. us Mastering DMA mode of PCI 7200 PCI bus mastering offers the highest possible speed available on the PCI 7200 When the function _7200_DI_DMA_Start is executed it will enable PCI bus master operation This is conceptually similar to DMA Direct Memory Access transfers in a PC but is really PCI bus mastering It does not use an 8237 style DMA controller in the host computer and therefore isn t blocked in 64K max groups PCI 7200 bus mastering works as follows 1 To set up bus mastering first do all normal PCI 7200 initialization necessary to control the board in status mode This includes testing for the presence of the PCI BIOS determining the base addresses slot number vendor and device ID s I O or memory space allocation etc Please make sure your PCI 7200 is plugged in a bus master slot otherwise this function will not be workable 2 Load the PCI controller with the count and 32 bit physical address of the start of previously allocated destination memory which will accept data This count is the number of bytes not long words transferred during the bus master operation and can be a large number up to 64 million 2426 bytes Since the PCI 7200 transfers are always long words this is 16 million long words 2424 3 After the input sampling is started the input data isstored in the FIFO of PCI controller Each bus mastering data transfer continually tests if any data in the FIFO and then blocks transfer the system will conti
49. with DMA data transfer by using the following four sampling modes 1 pacer trigger internal timer trigger TIME 1 2 Internal timer pacer with O_REQ enable 3 0_REQ amp O_ACK handshaking It will takes place in the background which will not be stop until the Nth conversion has been completed or your program execute 7200 DO DMA Stop function to stop the process After executing this function it is necessary to check the status of the operation by using the function _7200_DO_DMA Status Syntax Visual C Windows 95 int W_7200_DO_DMA_ Start U8 mode U32 count U32 handle Boolean repeat Visual Basic Windows 95 W_7200_DO_DMA_ Start ByVal mode As Byte ByVal count As Long ByVal handle As Long ByVal repeat as Byte As Long 46 e C C Libraries C C DOS int _7200_DO_DMA_ Start U8 mode U32 count U32 do_buffer Boolean repeat Argument mode Digital output trigger modes DO_MODE_0 Internal timer pacer TIME 1 DO_MODE_1 Internal timer pacer with O REQ enable DO_MODE_2 0_REQ amp I_REQ handshaking count the sample number of digital output data in samples not in bytes handle Win 95 the handle of system DMA memory In Windows 95 environment before calling W_7200_DO_DMA_ Start W_7200_Alloc_DMA_Mem must be called to allocate a contiguous DMA memory and get the handle of it Also W_7200_Alloc_DMA_Mem will attach a buffer to DMA memory The DO data is stored in the buffer attached to this handle do butter D
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