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Содержание KM-488-DD

Страница 1: ...KM 4881DD IEEE 488 Interface Board Keifhley MetraByte Corporation A Subsidiary of Keithle Instruments Inc 440 Myles Jandish Boulevard Taunton Massachusetts 02780...

Страница 2: ......

Страница 3: ...wise without the express prior written permission of I RYetra elthley ing Byte Corporation Information furnished by Keithley MetraByte Corporation is believed to be accurate and reliable However no re...

Страница 4: ...es not cause harmful interference to radio jr television reception which can be determined by turning the equipment ff and on the user is encouraged to try to correct the interference by one or nore o...

Страница 5: ...2 10 Part 2 Initial Software Installation and Configuration 2 5 Initial Software Installation and Configuration 2 12 Part 3 Driver Installation 2 6 Loading the KM 488 DD Driver from AUTOEXEC BAT 2 24...

Страница 6: ...ile Description Format 5 l I O Commands 5 2 CHAPTER 6 INTRODUCTION TO PROGRAMMING VIA THE CALL INTERFACE 6 1 Accessing the Call Interface 6 l 6 2 GPIB Terminators 6 2 6 3 KCONFIG 6 3 6 4 Clear Devices...

Страница 7: ...3 CHAPTER 12 WARRANTY INFORMATION 12 l 12 1 12 2 Warranty 12 l Return to Factory Information 12 l APPENDIX A ASCII EQUIVALENCE CHART APPENDIX B IEEE 488 TUTORIAL APPENDIX C IEEE MULTILINE COMMANDS AP...

Страница 8: ...DD Block Diagram l 2 File I O Interface Direct Path l 4 Figure l 3 File I O Interface Direct Output Figure l 4 Input Path l 5 File I O Commands Buffered Output Path l 6 Figure l 5 Call Interface Path...

Страница 9: ...t State Generator to adjust the bus timing This allows the KM 488 DD to perform within the operating specifications of the GPIB controller chip even on the fastest 386 or 486 based PC s The KM 488 DD...

Страница 10: ...CALL interface and the FILE interface is a matter of personal preference Programmers familiar with using file I O Opening files and transferring data between the program and files may be more comfort...

Страница 11: ...ake the form of character strings which are written to the driver output file opened through DOS Groups of commands and also data may be placed in one string but the maximum string length is 255 chara...

Страница 12: ...rom the GPIB bus In either case the data is buffered in the driver awaiting an INPUT action To bring the data into the application program the program does an input from the file that was opened for d...

Страница 13: ...set up the data will move directly between the program memory and the GPIB bus via the KM 488 DD s hardware Figure 1 4 illustrates the case of data send A data entry would appear similar with the dat...

Страница 14: ...tack for use by the driver and the program enters the code of the interface module as diagrammed in Figure 1 5 The interface module for the particular language verifies that the driver is installed an...

Страница 15: ...488 DD are as follows Dimensions One Short PC Slot size Weight 29 lb Data Transfer Rate 300 KB per second IEEE Controller Chip NEC D7210 Power Consumption 650 mA Operating Temperature O to50 C Storage...

Страница 16: ...22El H42El or H62El Switch Selectable Channels 1 2 or 3 shareable Switch Selectable Levels 2 through 7 SHl AHI T6 TEO L4 LEO SRI Pl O RLO DCl DTl CO El 12 Controller Subsets Cl C2 C3 C4 and Cl0 Termin...

Страница 17: ...with the GLIB protocol Chapter 2 Installation and Configuration provides all the necessary information for you to get the KM 488 DD up and running It details how to unpack inspect and install the KM 4...

Страница 18: ...I Equivalence Chart This gives hexadecimal and decimal equivalents for the ASCII 128 Char acter Set Appendix B is an IEEE 488 tutorial Appendices C and D contain supplementary information to the IEEE...

Страница 19: ...e KM 488 DD software Par 3 Driver insfallafion Once you have configured the software you will need to load the driver software before you can use the KM 488 DD This section describes how to load the d...

Страница 20: ...lling multiple KM 488 DD s in the same GPIB system be sure to read Section 2 4 Multiple Board Installation Notes 2 1 UNPACKlNG AND INSPECTION Confirm that each item on the packing list has been shippe...

Страница 21: ...e used The single jumper is used to select the source of the master clock signal The default switch and jumper selections are listed in Table 2 1 Figure 2 l Location of Iumpers and Switches A program...

Страница 22: ...ddress Switch Remember to record your switch selections on the GPIB System Configuration Worksheet found in the rear of this manual The Base Address Switch 611 is a 7 slide DIP switch When a rocker is...

Страница 23: ...e addresses in hex are 02E1 22E1 42El and 62E1 The default base address is 02El To select another base address move the switches to the positions Tib Qj shown in Figure 2 4 ot Et irzFml Figure 2 4 Bas...

Страница 24: ...ect the Interrupt Level DMA Level and the Clock Source Remember to record your jumper selections on the GPIB System Configuration Worksheet found in the rear of this manual lnferrupf Level If you are...

Страница 25: ...data quickly from to a peripheral to the computer The PC has four DMA channels of which one or three may be selected However based on your system configuration they may not all be available Select an...

Страница 26: ...may be required by certain third party software uackatxes 2 3 BOARDlNSTALL4TlON This section provides general instructions for installing the KM 488 DD Board in an IBM PC XT AT 286 386 or compatible...

Страница 27: ...rt of the PC AT cabinet This will safely discharge any static electricity which has built up in your body Unwrap the KM 488 DD from the anti static bag If you haven t already done so set the switches...

Страница 28: ...TION NOTES When installing multiple KM 488 DD in the same GPIB system be sure to Assign a different Base Address to each KM 488 DD Assign a different Interrupt Level to each KM 488 DD if required by y...

Страница 29: ...le Also know which language s you will be developing your programs in Do you wont fo be able fo refer to example programs A full selection of exam ple programs for each language and programming style...

Страница 30: ...sk In most instances this will be disk drive A or B Thus at the DOS prompt type A for the A drive or B for the B drive Now type SETUP The SETUP program will now run This program allows you to copy the...

Страница 31: ...ch you are going to develop your application programs in Choice of lan guages include C Microsoft PASCAL TURBO PASCAL BASICA and QuickBASIC Any combination of languages may be chosen You must indicate...

Страница 32: ...o copy the C support files and the example programs the tree structure that would be created would look like this At this time you will also need to indicate whether or not you want the Example Progra...

Страница 33: ...Y and follow the instructions Once the disk copying process has been completed SETUP will advance to the Device Configuration Screen Figure 2 12 DeviceConfiguration Screen In this part of the initial...

Страница 34: ...ide of the work sheet Once you have completed your System Configuration you will need to save the parameters to the CONFIG DAT file This file is read into the KM 488 DD driver The CONFIG DAT file is d...

Страница 35: ...can be assigned any one of four base addresses 02El hex 22El hex 42El hex and 62El hex The default base address is 02El hex To select a different base address Press Ito move to the CPU Base Address o...

Страница 36: ...s a master clock signal This clock is normally connected to an on board 8 MHz clock oscillator You can however elect to drive this circuitry from the PC s clock The actual clock speed will vary accord...

Страница 37: ...river then replaces these EOL terminators with a GPIB Bus Terminator sequence when communicating with the GPIB bus devices m ws are only used bv the File I O Commands SeeChapter 3 for more information...

Страница 38: ...d from the KM 488 DD driver to the GPIB bus This terminator sequence ls com prised of one or two ASCII characters and may include an asserted GPIB EOI signal Any combination of ASCII characters and EO...

Страница 39: ...dress enter each digit separately Then press m GPUIBUS Termhafon As explained above the BUS Input Terminator sequence marks the end of data transferred from the GPIB bus to the KM 488 DD driver This t...

Страница 40: ...minator character sent The Bus Output Terminator Sequence is selected in the same manner as the Bus Input Terminator Sequence 5 Suvhg Your Configuration fcmxneters to CONf G DAT When you have checked...

Страница 41: ...ation file CONFIG DAT which was created when the SETUP program was run The CONFIG DAT file is re generated every time the CON FIG EXE program is run or may be modified manually The CONFIG DAT program...

Страница 42: ...rom AUTOEXECBAT When you load the driver via the AUTOEXECBAT file your files will remain loaded until you shut down the computer or manually unload the drivers from DOS Seesection 2 9 Note however tha...

Страница 43: ...KM driver Addtheline D PATH KM D PATH FILE EXT Where D l is an optional parameter which indicates the DOS drive where KM EXE or FILE EXT exists You must only include this if the corresponding file is...

Страница 44: ...an optional parameter which indicates the DOS drive where VI EXE or VIPARSE EXE ls installed You must only include this if the VI driver is not installed in the current directory PATE is an optional p...

Страница 45: ...esponding file is not installed in the current directory Instructs DOS to pipe the contents of FILE EXT into KM at load time FILE EXT is the name of the configuration file to be piped into the KM 488...

Страница 46: ...ia your AUTOEXECBAT file Seesection 2 8 To recon figure the software 1 2 3 4 Switch to the directory where the KM 488DD software is loaded At the DDS prompt type CONFIG Load the existing software conf...

Страница 47: ...equired it is wasting computer memory DOS is optimized at power up through entries in the CONFZG SYSfile The entry which controls the number of files which can be opened is FILES n where n is some num...

Страница 48: ...driver The driver recognizes this as a command places the copyright message followed by a carriage return line feed in a driver buffer associated with the device IEEE The DOS TYPE command reads the me...

Страница 49: ...mand recognizes CTRL Z to mean that there is no more data and returns to the DOS prompt Note there is a blank line between message and the prompt because of the addition of the CR LF appended to the m...

Страница 50: ...e two types of GPIB BUS Terminators Input and Output The GPIB BUS Output Terminator sequence delimits the data transferred from the KM 488 DD driver to the GPIB bus This terminator sequence is compris...

Страница 51: ...may include detection of an EOI signal Any combination of ASCII characters and EOI may be selected including EOI alone If Qnly EOI is chosen to signal the end of input data then all the characters rec...

Страница 52: ...pieces and because different GPIB devices use different GPIB terminators there will be cases where it will be necessary or desirable to change the GPIB terminators within a pro gram The OUTPUT comman...

Страница 53: ...a CLEAR command If the clear command contains addresses then only those devices are cleared by means of the addressed GPIB selected device clear If no addresses are sent then all the GLIB bus devices...

Страница 54: ...e background At some point the application program should use the WAIT command to verify that transfer is complete Because their data does not have to pass through XX buffered transfers are generally...

Страница 55: ...HO TIMEOUT 8 6 IEEE followed by Enter The timeout can be disabled by sending 0 for the timeout value but this is not recom mended The timeout should be long enough so that a data transfer can complete...

Страница 56: ...oll mechanism To eliminate the need for the controller to SPOLL a device when no change of status has occurred many devices can assert an SRQ service request line on a status change In this way the co...

Страница 57: ...or another command 3 12 LIGHTPEN INTERRUPTS The KM 488DD board is capable of being configured to generate hardware interrupts on receipt of an SRQ the KM 488 DD driver does not support hardware interr...

Страница 58: ...e device s which a parallel poll has revealed needed servicing This is to obtain more complete status information and to cause the device to unassert its SRQ and parallel responses The following monit...

Страница 59: ...l response which can be read by a controller in charge The seventh bit when set is reserved to generate an SRQ when desired The significance of the other bits would be defined by the application An SR...

Страница 60: ...followedbyIEnter TYPE IEEE 64 will be returned The P returned by STATUS verifies the KM 488 DD is a peripheral and the I indicates that it is in an idle state not addressed to talk or listen Sending...

Страница 61: ...number of file handles Usually the number of files available for a program is small i e GW BASIC Version 3 2 allows two user files This is because BASIC needs at least three file handles just to suppo...

Страница 62: ...pened properly the BASICA PRINT or INPUT command is used to pass through the File I O Command and communi cate with the KM 488 DD board The PRINT command is used to pass commands to the KM 488 DD and...

Страница 63: ...DEF SEG command to define the code segment The particular place for a specific CALL to jump within the driver is defined by an offset from the beginning address The following code segment illustrates...

Страница 64: ...ortant to note that BASIC is limited to a single 64K segment of data This data space ls shared by all data items arrays strings vari ables and the names and internal descriptors used by BASIC to manag...

Страница 65: ...NT PACK BYTBS and UNPACK BYTES routines Syntax CODE ADDRESS Parameters None Returns An integer from 0 to 65535 which represents the segment address Programming 1 This routine is useful when defining t...

Страница 66: ...of the BASIC variable space Offset 0 Syntax CALL GET SEGMENT dataseg Parameters None Returns dataseg is an integer variable which is set to the data space segment value Programming This routine ls us...

Страница 67: ...Programming Guide Using the File I O Commands IOCTL Purpose When followed by BREAK it resets the KM 488 DD and its EOL terminators to their defaults Syntax IOCTL 2 BBBAK Returns None Programming None...

Страница 68: ...en executed this routine returns one of the following values into the A variable 0 This indicates that the KM 488 DD is ready to receive a com mand 1 This indicates that the KM 488 DD has data availab...

Страница 69: ...bit data value Syntax CALL PACK BYTES source O dest O count Ottset 5 Parameters source is the name of the integer array which contains the data to be con verted dest is the name of the integer array i...

Страница 70: ...form a byte swap when exchanging data between the KM 488 DD and various IEEE 488 bus device Byte Swaps are necessary because the KM 488 DD stores integer vari ables as two consecutive bytes The lower...

Страница 71: ...est to count source is the name of the integer array which contains the data to be con verted dest is the name of the integer array in which the converted data is to be stored count is an integer whic...

Страница 72: ...easons First the QLB file contains KUNPACK KSWAP and KNACK routines for manipulating byte data stored within integer BASIC arrays Secondly KM488QB4 QLB contains the function SSEGADD which is intrinsic...

Страница 73: ...IN4 IEEEOLJT4 Once the files have been opened properly the BASICA PRINT or INPUT command is used to pass through the File I O Command and communi cate with the KM 488 DD board The PRINT command is use...

Страница 74: ...rray to consecutive 16 bit integers KSWAP BYVAL array 0 count This swaps the high and low bytes stored in the integer array Buffered Transfers Buffered transfers are normally used to send large amount...

Страница 75: ...In Microsoft PASCAL File I O to and from the KM 488 DD driver ls accomplished via the intrinsic PASCAL type TEXT This type of file han dle allows files opened for input and output at the same time Re...

Страница 76: ...ram These include IEEEWrite Write a command string to the selected KM 488 DD device IEEEReadStz Read data from the KM 48 DD driver into a STRING IEEEReadIntO Read an integer from the KM 488 DD driver...

Страница 77: ...or by using the IEEEWrite procedure provided in the KMPASIOUB library Direct command writes appear in the following fashion WRITELN IEEE SELLO Rewrite IEEE Rewind after write The following is an exam...

Страница 78: ...ation instructs the PASCAL compiler to pass these arguments by reference rather than by value Passing variables by reference passes the address of a variable rather than the contents of that variable...

Страница 79: ...and is issued as follows IOCTL IEEE The maximum allowable string length for a command string writ ten to any of the KM 488 DD devices is 256 characters including the two character EOL sequence Any com...

Страница 80: ...of the example programs used the CRT and DOS units supplied with TURBO PASCAL Users of version 4 0 of TURBO PASCAL should USES the unit IEEEIOV4 TPU rather than ieeeio tpuwhich is intended for users...

Страница 81: ...i command assigns each device to a variable of type TEXT This is accomplished in the IEEEIO TPU unit in the following manner VAR IEEEIn IEEEOut TEXT KM 488 DD Device Eandle Variables BEGIN MAIN BEGIN...

Страница 82: ...the following manner WRITELN IEEEChzt EELLO If a syntax error or GPIB bus error occurs as a result of writing a command to the KM 48 DD device the error will appear in the global TURBO PASCAL variabl...

Страница 83: ...f Line terminator for PASCAL is the Carriage Return Line Feed combination The is the default for the KM 48 DD driver and should not be changed unless you are running other application programs requiri...

Страница 84: ...EEWrito IEEE SEWD LISTEN 10 IEEEWrite IEEE SEND DATA 1 IEEEWrite IEEE SEND DATA 2 IEEEWrito IEEE SEWD DATA 3 IEEEWtite IEEE SEWD DATA 4I Consult the provided example programs fro further details about...

Страница 85: ...our application should contain the line include ieeeio h instructing the C compiler to include the file 1EEEIO H which contains various definitions pertaining to the functions and variables in the 1EE...

Страница 86: ...IEEEIOC several functions have been supplied to facilitate the handling of the KM 488 DD s devices including the function ieeei nit which opens the IEEE device via a UNIX style integer handle ieeeinit...

Страница 87: ...ment value of a pointer Returns Offset value of a pointer Reads from specified IEEE device Writes to specified IEEE device Does nothing just returns false 0 Does nothing Checks if Light Pen interrupt...

Страница 88: ...Likewise there are numerous ways of reading data from the KM 488 DD driver via the IEEE IEEEIN and IEEEOUT devices They include the Intrinsic C functions using the FILE style device handle fread Intr...

Страница 89: ...to reset the default terminators to your needs Notice that the ieeeinit function in the IEEEIOC module performs this task automatically for you by setting the default input terminator to the NULL 0 ch...

Страница 90: ...e broken up into several commands each of which is issued separately For example a lengthy SEND command can be sent as repeated smaller SEND commands ieeewt IR EE SEND DNT UNL MTA LISTEN 10 DATA 1 2 3...

Страница 91: ...r perform a syntax and argument type check during the compile process File or device style I O to and from the KM 488 DD driver is accom plished either via a device handle of type FILE as defined in t...

Страница 92: ...nto raw mode No Carriage Return Line Feed Translation is performed as characters are passed through DO 3 en route to your program from the KM 488 DD driver issues the IOCTL BREAK command to reset the...

Страница 93: ...transfer to Binary Initializes KM 488 Special printff Special scanffl Once you have successfully opened or fopened the IEEE device for reading and writing you can then send commands to the driver and...

Страница 94: ...ice handle fread Intrinsic C buffered file read fgets 0 Intrinsic C file gets0 fgetchar Intrinsic C file getchar0 fgeto Intrinsic C file getc fFlcanf Intrinsic C file scanf The intrinsic C functions u...

Страница 95: ...ally for you by setting the default input termina tor to the NULL 0 character and the default output terminator sequence to Line Feed OxA 3 It is often necessary to provide the KM 488 DD driver with a...

Страница 96: ...ral commands each of which is issued separately For example a lengthy SEND command can be sent as repeated smaller SEND commands ieeewt IEEE SEND UNT UNL MTA LISTEiN 10 DATA 1 2 3 4 is equivalent to i...

Страница 97: ...ypeface Square Brackets f I 1enclose a list of optional parameters You may select any combination of these options as described in the command specific parameters section Parameters This section descr...

Страница 98: ...ars designated deviccW Returns a memory segment address Alters drwer parameters Disables a lIghtpen Interrupt co dltionW Deftne DMA transfer mode Read data from a bus device Sets the EOL terminators 3...

Страница 99: ...s devices Table5 1 List KM DD MODE BUS ACTION I A Y _ A Y A Y System Gmtrolln Active Controller Unasserts REM I TCt TN the UNL MTA LAG Actlve Controller Asserts A fN then LLO Active Controller Ue I O...

Страница 100: ...tem Controller Assert REN t 8n pHonally addresses them to System Controller and Assert RRN then ATN and UNL Active Controller MTA wtth addreeaks LAG EQUEST Defines own Serial Poll Response Peripheral...

Страница 101: ...ommands COMMAND NAME DESCRIPTION KM4S DD MODE BUS ACTION TBRM Sets the GPIB bus terminators A Y TIME OUT Sets theout elapse A Y TRIGGER TrIggem device s Active Controller With yt ATN UNL MTA LAG and A...

Страница 102: ...ices on the bus to the idle state KM 488 DIJ mu be the Act e Controlls ABORT None None If the KM 488 DD is both the Active and System Controller ABORT asserts the IFC line to retain control of the bus...

Страница 103: ...The lightpen status will become true when the KM 488 DD CLEAR TALK LISTEN IDLE which has been acting as a Peripheral becomes the Active Controller The lightpen status will become true when a KM 488 D...

Страница 104: ...s marked by an asterisk 9 will generate an interrupt only when the KM 488 DD s address status has changed This is indicated by the state of the Address Change Bit in the Status byte Seethe STATUS comm...

Страница 105: ...DECREMENT where INCREMENT increases the buffer address after each byte is transferred DECREMENT decreases the buffer address after each byte is transferred None Programming When using INCREMENT durin...

Страница 106: ...n the integer returned represents the number of characters transferred thus far into the operation 2 It is useful to call this command after an ENTER count BUFFER terra This will help you determine if...

Страница 107: ...ary address 00 30 with an optional sec ondary address 00 31 each of which must be specified as two digits i e 05 10 0901 etc None Programmlng 1 Notes 2 When no address is specified the universal GPIB...

Страница 108: ...rs You can EOIJ select one or two GPIB bus terminators followed by EOI or just EOI If you just specify T the GPIB bus termina tors will be reset to no terminators Where term is an optional parameter w...

Страница 109: ...terminator a valid terminator sequence or both are detected Use of the EOI terminator is further described in Chapter 4 Sets the input GPIB bus terminators You can select one or two GLIB bus terminat...

Страница 110: ...tor settings name is the name of the device addr is the primary GPlEJaddress 00 to 30 see addr is the secondary GPIB address 00 to 31 If the options string is not given then the configuration will rev...

Страница 111: ...he KM 488 DD is TRIGGER CLEAR TALK LISTEN IDLE CFIANGE _ acting as an Active Controller The lightpen status will not change when a KM 488 DD act ing as a Peripheral receives a GPIB Trigger command The...

Страница 112: ...es If interrupt is not provided then all conditions which will cause a light pen interrupt to occur will be disabled Example This will disable the KM 488 DD from causing a lightpen interrupt condition...

Страница 113: ...quest signal is unasserted Once this signal has been unasserted for more than one microprocessor clock cycle control of bus is returned to the microprocessor This mode allows the DMA controller chip t...

Страница 114: ...curring within one DMA page Also note that DMA AUTOINITIALIZE transfers specified for buffers that are located in more than a single DMA page are unpredictable 2 It is impossible for a program to halt...

Страница 115: ...ay specify a count m a one or two character GPIB bus terminator with or without EOIQB just EOI alone The parameters are count is an optional parameter It ls a long integer representing the number of c...

Страница 116: ...st not be included and an Active Controller must address a device to talk and the KM 488 DD to listen before the ENTER command is called unless that bus has already been addressed 2 3 4 5 If the terml...

Страница 117: ...ust be preceded with an H i e H300 represents 768 bytes buf addr represents the memory buffer address buf addr may be given either as segmenboffset the colon is required or as an absolute memory addre...

Страница 118: ...ts trans fer If CONT INUE is used and the DMA AUTOINITIALIZE has been enabled then the DMA transfer will continue until a STOP command is invoked or an GLIB BUS input terminator is detected term is an...

Страница 119: ...transfer takes place in the background through DMA At some point when the ENTER data to be used the application program should issue a WAIT command If the DMA transfer is still in progress the progra...

Страница 120: ...The File I O Commands KM 488 DD Programming Guide ENTER BUFFER cont d Example This will read 95 characters from device 19 into memory at H40000 ENTER 19 95 BDFFER hB4OOO O 5 24...

Страница 121: ...o terminators are to be used or one or two ASCII character s to be used as the EOL This terminator character can be represented in any of the following manners char where char is an integer representi...

Страница 122: ...the string When the driver returns a string it will append the EOL input terminator It the programmer s responsibility to know what EOL s are appended by a programming language Example 3 EOL terminat...

Страница 123: ...y of error messages ERRORX x is an optional parameter which determines whether the error message dis play function will be enabled or disabled If ON is specified the error mes sage display is enabled...

Страница 124: ...t a specific ASCII character be returned This charac ter is designated according to the following conventions char where char is an integer representing the hex or decimal equivalent of the terminator...

Страница 125: ...KM 48 l DD Programming Guide The File I O Commands Example This will generate an error message and will not return any characters if no data is available when requested FILL ERROR 529...

Страница 126: ...Parameters Returns Returns an identification string from the KM 488 DD driver EELLO None A string similar to the following copyright c 1991 Keithley MetraByte Carp Programming None Notes Example This...

Страница 127: ...given addr is a primary address 00 30 with an optional secondary address 00 311 each of which must be specified as two digits i e 05 10 0901 etc None Programming 1 Notes If the KM 488DD is the System...

Страница 128: ...Notes local state for manual programming or control The Active Controller can return specific devices to local with lockout state whereby an operator can then use the front panel controls When the dev...

Страница 129: ...imal or from Hl to HFFFFFFFF hex All hex values must be preceded with an H i e H300 would specify 768 bytes data is a string of characters to be sent to the GPIB bus This string will be terminated by...

Страница 130: ...The File I O Commands KMd88 DD Programmlng Guide OUTPUT Example This example will send the string CAT to devices 9 and 25 OUTPUT 09 25 CAT 5 34...

Страница 131: ...dress can be represented in segmenboffset or absolute format segmenboffset The segment and offset values be separated by a colon The segment portion of the address represents a particular 64KByte area...

Страница 132: ...the first byte to check for time out Unless TIME OUT 0 before continuing DMA CONTINUE execution concludes when the KM 488 DD completes its transfer If the DMA AUTOINITIALIZ E Seethe DMA command descri...

Страница 133: ...IB BUS device address addr is a primary address 00 301with an optional secondary address 00 311 each of which must be specified as two digits i e 05 10 0901 etc None Programming If the KM 488 DD which...

Страница 134: ...ll The KM 488 DD be an Active NOTE Many GPIB devices do not support parallel polling Check your device s documentation PPOLL None An integer in the range 0 to 255 decimal that indicates the Data Lines...

Страница 135: ...which must be specified as two digits i e 05 10 0901 etc is an optional delimeter response is an integer which represents the desired Parallel Poll Response Byte This decimal integer is of the follow...

Страница 136: ...mmands KM 488 DD Programming Guide PPOLLCONFIG cont d Returns None Programming None Notes Example This would configure device 12 to assert 1 DI04 when it is parallel polled and needs service PPOLL CON...

Страница 137: ...E addr PPD addr ad specifies the GPIB BUS address of the device s which is to be parallel poll disabled Multiple addr parameters can be included addr is a primary address 00 30 with an optional second...

Страница 138: ...rnate Syntax Disables the Parallel Poll Response of all GPIB bus device The KM 488 DD be an Active Controllet PPOLL UNCONWIG PPV Parameters None Returns None Programming None Notes Example This will d...

Страница 139: ...h an optional secondary address 00 311 each of which must be specified as two digits i e 05 10 0901 etc None 1 If addr is included those devices will be addressed to listened and the GPIB REN line wil...

Страница 140: ...3 2 10 Dl06 RSV Dl06 Dl05 Dl04 Dl03 Dl02 DlOl Bits 1 through 8 of this device s Serial Poll Response Byte correspond to data lines DIOl DIO8 If this bit is 1 the SRQ Service Request line will be asse...

Страница 141: ...uing the following commands Notes l STOP l ERRORON l DISARM l FILLNULL CONFIG l LOCAL l ABORT l REOUEST 0 If Periuheral l BUFFERINCREMENT l Clear CHANGE TRIGGER and l DMASINGLE CLEAR STATUS TIMEOUT10...

Страница 142: ...ween two non Active Controller GPIB devices by unasserting the ATN line The KM 488 DD p Syntax BESVME Parameters None Returns None Programming This command is normally called after a SEND command has...

Страница 143: ...numeric equivalent of an individual ASCII char acter e g 13 decimal or HOD hex for a Carriage Return Hex values must be preceded by H Multiple quoted strings or ASCII values bytes may be sent if they...

Страница 144: ...reted as data This ls the technique which is to be used to send device dependent commands Seethe IEEE 4888 Tutorial in Appendix C for more infor mation The data may be sent as either a quoted string i...

Страница 145: ...display to a plotter so that data passes between the devices without passing through the KM 488 DD In this case a RESUME command must follow 4 If a DATA subcommand is not included in the SEND string...

Страница 146: ...ill read its internal SRQ status bit This means that response will contain an integer either of value 0 or 64 decimal If response is 64 a device is asserting SRQ If the KM 488 DD 1sa Pen _ _ ohen it w...

Страница 147: ...ddress the internal serial poll bit as indicated by Bit 6 of the Serial Poll byte or Sl from the STATUS command will be cleared So that a subsequent SPOLL or STATUS will not reveal an SRQ until a new...

Страница 148: ...om 00 to 30 5 2 Addressed Indkates If the device has changed addressed state Le tf It has cyded between the Talker Listener or Actbe Confm n states This Is meet whenever a STATUS Is read This can be o...

Страница 149: ...ered State values are TO No trigger command has been received Tl A Mgger command has been received Indicates if a Peripheral KM 488 DD has received a GPlB Clear command IhIs is not updated during DMA...

Страница 150: ...ters None Returns None Programming 1 If the DMA CONTINUE transfer has been completed a STOP com Notes mand will have no effect 2 Use the BUFFERED command to determine the actual number of char acters...

Страница 151: ...used This terminator byte can be represented as any of the following Qchar where char is an integer representing the hex or decimal equivalent of the terminators ASCII representation See Appendix B fo...

Страница 152: ...M command will change the default set Notes tlngs for the GPIB terminators made during software installation 2 The termination characters can also be modified by CONFIG 3 EOI is used differently in in...

Страница 153: ...actual time out interval Time out intervals from 0 01 to 0 11 seconds are rounded to 0 11 seconds Larger intervals are rounded to the nearest multiple of 55 msec Returns None Programming 1 If no time...

Страница 154: ...of the device to be triggered Multiple devices may be specified If addr is not specified then the Active Controller must have previously listened the devi ce s to be triggered addr is a primary addre...

Страница 155: ...ies a terminator Remember that the DMA CONTINUE function allows your application program to do some processing while DMA ls finishing in the background 2 Time out checking if enabled is performed whil...

Страница 156: ...The File I O Commands KM 488 DD Programming Guide This page intentionally left blank...

Страница 157: ...re discussed in the following chapters All calls contain an input parameter board nr and a returned value err code board nr is an integer O 3which selects the particular KM 488 DD that the command aff...

Страница 158: ...n the sequence is transmitted Otherwise the terminator sequence character s is appended to the data characters and EOI if used is asserted on the last character sent The GPIB BUS Input Terminator sequ...

Страница 159: ...truc ture is selected then all GPIB bus devices are cleared via the universal Device Clear 6 5 TRANSMITTING DATA Data is sent from the program to the GPIB bus by using the KOIJTPUT or in BASI CA Quick...

Страница 160: ...atically while the application program performs other tasks At some point the application program will want to verify that the transfer is complete by calling KWAITC When KWAITC is issued the timeout...

Страница 161: ...oard can be configured to generate hardware interrupts on receipt of an SRQ The KM 488 DD driver does not support hardware interrupts but does implement the lightpen pseudo interrupt To employ the lig...

Страница 162: ...ause the device to unassert its SRQ and parallel responses A parallel poll is conducted by the KPPOLL call 6 13 KREQUEST The KM 488 DD can function in the non controller or peripheral mode In this mod...

Страница 163: ...he offset for that routine The offsets of the routines in KM488BASBIN are not user selectable They have been defined for you in the file HEADER BAS For example the offset for the KABORT routine is alw...

Страница 164: ...legal BASICA name can be assigned to these vari ables However they must be the correct data type and value and must be passed into a callable routines in the same order as shown in the routine descrip...

Страница 165: ...be the same data type and appear in the same order as those given You can however change their names BASICA has no means for checking that the exact number of parameters are given or that the paramet...

Страница 166: ...e file HEADER BAS has been provided to assist you with defin ing CALL routine offsets This is a BASICA source file which pre defines the offsets It can be modified to suit your needs 6 Do not name you...

Страница 167: ...dress of a device The second is the secondary address If the first is set to 1 the device is assumed to not exist If no address is provided it ls assumed that the bus is already addressed When the KM...

Страница 168: ...considerations for the routine Notes Example This section gives a programming example using the routine Note that all of the examples given assume that the offsets have been set The HEAD ER BAS file...

Страница 169: ...ents the board to be pro grammed ERRCODE is a variable through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error di...

Страница 170: ...Where ADSC Address Status Change If this bit is set to 1 the lightpen status will become true when a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an A...

Страница 171: ...addressed as a Talker and can output data to the GPIB IDLE Idle If this bit is set to one the lightpen status will become true when the KM 488 DD acting as a Peripheral is unaddressed as a Talker or...

Страница 172: ...nue program BRDNDbl 0 First GPIB Board SET DP LIGET PBN INTBRRUPT Enable light pen interrupt detection on SRQ ON PEN GOSDB 2000 BASICA connection of subroutine to the light pen PEN ON BASICA comnand t...

Страница 173: ...ented lf DIR is equal to 0 the buffer address will be decremented ERRCODE is a variable through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to a va...

Страница 174: ...han 0 then an error did occur The error codes are listed in Appendix G BCOUNT represents the number of characters which were transferred dur ing the last buffered transaction This will be an integer 1...

Страница 175: ...application The MYGADS structure is described in section 7 1 Returns ERRCODE is a variable through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to...

Страница 176: ...g options T term term Sets the input and output GPIB bus terminators You EOII can select one or two GLIB bus terminators followed by EOI or just EOI If you just specify T the GPIB bus terminators will...

Страница 177: ...inator a valid terminator sequence or both are detected TI term term Sets the input GPIB bus terminators You can select one EOIl or two GPIB bus terminators followed by EOI or just EOI If you just spe...

Страница 178: ...ly be used if the application program also includes File I O Commands utilizing the named device configurations name is the name of the device addr is the primary GPIB address 00 to 30 secaddr is the...

Страница 179: ...note that the CONFIG string for the KCONFIG call does not include the CONFIG keyword i e as it would if you were using the CONFIG File I O command 3 Primary and Secondary Addresses must each be two c...

Страница 180: ...ll Interface In BASICA KM 488 DD Programming Guide KDIAGOFF Purpose Disables file diagnostics Ottset 18 Syntax xx CALL lanAGoET Parameters None Returns None Programming None Notes Example 1000 CALL KD...

Страница 181: ...me of the file to which the diagnos tic information is to be written STRLEN is the length of the string representing the name of the file None Programming This will echo the value of call parameters i...

Страница 182: ...PER DET SRQ OEC LA TA IDLE Where AOSC Address Status Change If this bit is set to 1 light pen status will not change when a change in address status has occurred i e a Talker becomes a Listener or a...

Страница 183: ...ed as a Talker and can output data to the GPIB IDLE Idle If this bit is set to one light pen status will not change when the KM 488 DD is unaddressed as a Talker or a Listener Returns ERRCODE is a var...

Страница 184: ...t to one the SINGLE mode is selected In this mode when the DMA Request line is asserted the DMA controller assumes control of the bus and transfers a single byte of data Control of the bus is then ret...

Страница 185: ...turns None Programming 1 Notes All DMA AUTOINITIALIZE transfers should occur entirely within a single DMA 64 KByte page So if a DMA buffer operation involves a transfer of more than 64K or occur acros...

Страница 186: ...an integer array large enough to accept the returned data If a non zero COUNT is specified DATA COUNT 2 will suffice for any returned data If COUNT is 0 and terminator characters are used then DATA m...

Страница 187: ...r Seealso the KDMA call description MYGADS N L represents the GPIB bus address of the device to be accessed MYGADS is a pointer to an array of n n can range from 1 to 15 pairs of GPIB addresses You mu...

Страница 188: ...nd GPIB bus terminator Possible values are l HFFFF Use the default terminator Note that if the default first terminator is used this will automatically be selected 0 to 255 Detect this ASCII character...

Страница 189: ...sed to listen then MYGADS can specify no addresses Seesection 7 1 and the bus will not be re addressed 3 If COUNT is specified as 0 then KENTER will terminate when the ter minator s specified by TERML...

Страница 190: ...address 5 910 GADS l 1 first secondary address NONE 920 G bDS 2 1 second primary address NONE 1000 1090 DIM TEBM 3 Default terminator array 1100 TEBl l O 1 Use default SOI 1110 TERM l 1 Use default f...

Страница 191: ...ATA is a string large enough to accept the returned data If a non zero COUNT is specified the string should be of lengthCOUNT If COUNT is 0 and terminator characters are used the string must be large...

Страница 192: ...the data transfer MYGADS N 2 represents the GPIB bus address of the device to be accessed MYGADS is a pointer to an array of n n can range from 1 to 15 pairs of GPIB addresses You must tailor MYGADS t...

Страница 193: ...bus terminator Possible values are l HFFFF Use the default terminator Note that if the default first terminator ls used this will automatically be selected 0 to 255 Detect this ASCII character as the...

Страница 194: ...y one address If a device has been pre viously addressed to talk and the KM 488 DD previously addressed to listen then MYGADS can contain no addresses Seesection 7 1 and the bus will not be m addresse...

Страница 195: ...1 first secondary address NONE 620 EADS 2 1 second primary address NONE and NONB to follow 630 ONLY ONE address is allowed for ENTER EADS 2 must 1 640 820 Terminator Attays 830 840 DIM ETERM 3 ENTER...

Страница 196: ...hich error codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 N...

Страница 197: ...ault con dition returns a NULL character Valid integers are any one of the follow ing 1 OFF The KM 488 DD driver will not return any data charac ters or a DDS error message if no input data is availab...

Страница 198: ...Programming Guide KF LL cont d Example 77OBRDNmd 0 First GPIB Board 780 FILUXiAR 88 Decimal equivalent of X 880 ERBNDN 0 1000 l Set Fill Character To X 1010 CALL KFILL BBDNDM E FILLCRAR 1020 IF ERRNDb...

Страница 199: ...le through which error codes are returned If this vari able ls set to 0 then no error occurred If it ls set to a value other than 0 then an error did occur The error codes are listed in Appendix G Pro...

Страница 200: ...through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Progr...

Страница 201: ...0 BRRNDM 0 590 DIM GADS 3 addressing array for KXCAL conmand 600 GADS O 12 firat pri ma zy address 12 610 GADS l 1 first secondary address NONE 620 GADS 2 1 no second device 2000 Sand Devioe With GPIB...

Страница 202: ...s set to a value other than 0 then an error did occur The error codes are listed in Appendix G 1 The LOCAL button is disabled so that a device cannot be returned to local state for manual programming...

Страница 203: ...e number of characters to be output Valid counts are within the range 1 to 65535 decimal or from 1 to HFFFF hex MODE is an integer which represents whether or not DMA is to be used and if the CONTINUE...

Страница 204: ...used during the KOUTl UTBUFF call These terminators are used in conjunction with COUNT to terminate the input process Terminator choices include whether or not EOI will be asserted to signal the end...

Страница 205: ...ue repre sents the ASCII value of the termina tor character to be used An ASCII Equivalence Chart is provided in Appendix A The following default TERMLIST can also be used DIM TERb IST 3 TERMLIST 1 TE...

Страница 206: ...DS does not have to specify addresses and the bus will not be re addressed A non zero COUNT must always be specified If you do not wish to append terminator characters then be sure to set the terminat...

Страница 207: ...PUTBWF 640 820 Terminator Array 830 EBBNDM 0 840 DIM TF Raa 3 KOUTPUTBUFF terminator array 850 TKBM O 1 NO EOI OVERRIDE 860 TERM l 1 use default first terminator 870 TFml 2 1 use default second termin...

Страница 208: ...counts are within the range 1 to 65535 decimal or from 1 to HFFFF hex Note however that the limit for a BASICA string is 256 bytes MODE is an integer which represents whether or not DMA is to be used...

Страница 209: ...d during the KOUTPUTBUFF call These terminators are used in conjunction with COUNT to terminate the input process Terminator choices include whether or not EOI will be asserted to signal the end of in...

Страница 210: ...epre sents the ASCII value of the termina tor character to be used An ASCII Equivalence Chart is provided in Appendix A The following default TERMLIST can also be used DIM TERblLIST 3 TERMLIST 1 TERML...

Страница 211: ...he devices have been pre viously addressed then MYGADS can specify no addresses and the bus will not be re addressed 4 5 A non zero COUNT must always be specified If you do not wish to append terminat...

Страница 212: ...20 GADS 2 1 no mcce devioes 640 Multiple addresses are allowed with KOUTPUTSTR 760 S STr NG 100 32 761 must initialize string before call 770 820 Terminator Arrays 830 840 DIM TBRM 3 KOUTPIJTSTR termi...

Страница 213: ...gu ous bytes Syntax XX DIM SODRCE XX DIM DEST XX COUNT XX CALL KPACK SODRCE 0 DEST 0 CODNT Offset 60 Parameters SOURCE is the name of the integer array which contains the data to be con verted DEST ls...

Страница 214: ...f integers 2 bytes in BASICA 1270 1280 DIM OUTARRAY NDMD Data To Send To Device 1290 DIM WOm NIJMD 2 Temporary Work Buffer 1300 1310 Code To Fill OKlTARRAY Here 1320 1330 Pack OUTABRAY Into Contiguous...

Страница 215: ...N 2 represents the GPIB bus address of the device to be accessed MYGADS is a pointer to an array of n n can range from 1 to 15 pairs of GPIB addresses You must tailor MYGADS to your application The MY...

Страница 216: ...ERBwDbf 0 960 DIM PERIADS 3 addressing array for PERIPHERAL 970 PERIADS O 2 first primary address 2 980 PERIADS l 1 first secondary address NONE 990 PERIADS 2 1 no more devices 2400 Pass Control To De...

Страница 217: ...the board to be pro grammed ERRCODE is a variable through which error codes are returned If this vari able is set to 0 then no error occurred If it ls set to a value other than 0 then an error did occ...

Страница 218: ...PCCFG BOARDNR is an integer which represents the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed MYGADS N 2 represents the GPIB bus addres...

Страница 219: ...bus device s ist individual status bit Refer to the Device s Id ocumentation for more information I PRPI m is a 3 bit value which tells the device being configured which data bit CD101 through DIOE it...

Страница 220: ...0 DIM GADS 3 addressing array 510 GADS O 1 first primary address 1 520 GADS l 1 first secondary address NONE 530 GADSrb 2 1 no more devices 1240 Configure Device At GPIB Address 1 To Respond 1241 IOn...

Страница 221: ...the range 0 to 3 and represents the board to be pro grammed MYGADS N 2 represents the GPIB bus address of the device to be accessed MYGADS ls a pointer to an array of n n can range from 1 to 15 pairs...

Страница 222: ...70 BBDNDM 0 First GPIB Board 380 BRBNDM 0 500 DIM GADS 3 addressing array 510 GADS O 1 first primary address 1 520 GADS l 1 first secondary ad ass NONE 530 GADS 2 1 no mote devices 1240 Disable Device...

Страница 223: ...les the Parallel Poll Response of all GPIB bus device s The KM 488 DD nut be the Active 75 xx BCABDNB xx ERRC ODE xx CALL BPPD BoARDNB EBBCODE BCABDNR is an integer which represents the board identifi...

Страница 224: ...ress Status Change If this bit is set to 1 a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an Active Controller cc Controller in Charge If this bit is s...

Страница 225: ...s currently in progress ERRCODE is a variable through which error codes are returned If this variable is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur Th...

Страница 226: ...ication number This is an integer in the range 0 to 3 and represents the board to be pro grammed MYGADS N 2 represents the GPiB bus address of the device to be accessed MYSADS is a pointer to an array...

Страница 227: ...isten so they will be put in remote 2 It is good programming practice to issue a Local Lockout to prevent the device s from being returned to Local mode Example 370 BRDNUbf 0 Firat GPIB Board 500 KRRN...

Страница 228: ...ing format 811 7 6 6 4 3 7 1 0 DlO6 rsv Dl06 D105 Dl04 Dl03 DIOZ DlOi Where Dl01 6 Bits 1 through 8 of this device s Serial Poll Response Byte correspond to data lines DIOl DIOE If this bit ls 1 the K...

Страница 229: ...Interface in BASICA KRFQUEST cont d Example 370 BRDNDM 0 Birst GPIB Board 510 ERBxnd 0 3100 Set RSV Don t Set Any Other Bits In Status Byte 3110 WV 64 3120 CALL QUEST BRDNUM BRRNDbf RSV 3230 IB ERBNU...

Страница 230: ...i able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G 1 The KM 488 DD is reset to the following conditions l S...

Страница 231: ...This ls an integer in the range 0 to 3 and represents the board to be pro grammed ERRCODE is a variable through which error codes are returned If this vari able ls set to 0 then no error occurred If i...

Страница 232: ...acters The subcommands are as follows CMD Sends information with the ATN line asserted This indicates to the bus devices that the characters are to be interpreted as GPIB bus commands SeeAppendix B Th...

Страница 233: ...ry address may be appended to the primary address LISTEN addr Addresses another GPIB device s or KM 488 DDf s to listen by sending a GLIB LAG Listen Address Group command with ATN asserted Addr is an...

Страница 234: ...commas e g EOI 120 121 122 STRINGLEN is an integer between 0 and 255 which represents the length of the SEND string Returns ERRCODE is a variable through which error codes are returned If this vari ab...

Страница 235: ...clude the word SEND within the KSEND string as you might do in the FILE I O SEND command 370 BRDNDbl 0 First GPIB Board 510 ERRNUM 0 2250 Address The Device At Address 2 TO Listen 2251 And The Device...

Страница 236: ...pro grammed MYGADS N 2 represents the GPIB bus address of the device to be accessed MYGADS is a pointer to an array of n n can range from 1 to 15 pairs of GPIB addresses You must tailor MYGADS to you...

Страница 237: ...ng SRQ will cause the device to unassert its SRQ The string returned by KSTATUS or the integer status word set by KQUIKSTAT can be checked to determine the presence of an SRQ before a serial poll is c...

Страница 238: ...ith MyGADS containing no addresses SPR will be 64 if a device is asserting SRQ and 0 if not This same result could have been deter mined from KQIJIKSTAT or KSTATUS Note that if this call is issued whe...

Страница 239: ...d to be pro grammed ERRCODE is a variable through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The e...

Страница 240: ...enever a STATUS is read This can be one of the foBowing GO There has not been a change in the addrcsscd status Gl There has been a change in the addrcsscd status 1 mAddressed Indicates if the KM 4 DD...

Страница 241: ...has been received IY A trigger command has been rccxivcd Indicates if the IEEE Clear command has been received or not This Is not updated during DMA CONTINUE transfers Clearec values are CO No Clear...

Страница 242: ...ATUS coni d 370 BRDNDN 0 First GPIB Board 380 STAT STRING 75 32 390 EiRmmbl 0 3950 Log and check status for SRQ 3960 3970 CALL KSTATUS BRDNDM ERRNUM STATS 3971 Request status 3980 IF ERRNUN TEEN PRINT...

Страница 243: ...iable through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G...

Страница 244: ...Notes This routine exchanges the bytes within individual elements of an inte ger array Byte swaps are necessary when communicating with devices that transfer binary data real or integer numbers in hi...

Страница 245: ...240 DIM WORKB 100 1250 COUNT 101 WORXB lOO SAS 101 ELEMENTS 1260 1270 FILL WORKB WITE A SINE WAVE 1280 1290 FOR X 0 TO 100 1300 WORFE X 10 SIN X 1310 NEXT X 1320 1330 KSWAP DATA FOR A DEVICE EXPECTING...

Страница 246: ...er This is an integer in the range 0 to 3 and represents the board to be pro grammed TERMLIST is an integer array which defines the GPIB bus terminators SeeChapter 6 for more information regarding the...

Страница 247: ...r Possible values are 1 No default second GPIB bus termlna tor oto255 Use this ASCII character as the sec ond GPIB bus terminator instead of the default second GPIB Terminator The 0 255 decimal value...

Страница 248: ...to initialize driver terminations 1040 DRVTERW O O 1041 set both input L output default terminators 1050 DRVTRRbl l 1 Asrrert Detect EOI 1060 DRVTEBM 2 1 no first terminator character 1070 DRVTRRM 3 1...

Страница 249: ...error did occur The error codes are listed in Appendix G Programming 1 Notes To suppress Timeout checking set TVALB to 0 2 If a DMA CONTINUE transfer is in progress the KM 488 DD will check for timeo...

Страница 250: ...ts the board to be pro grammed MYGADS N 2 represents the GLIB bus address of the device to be accessed MYGADS is a pointer to an array of n n can range from 1 to 15 pairs of GPIB addresses You must ta...

Страница 251: ...BRRNDM 0 590 DIM oADS 3 I addressing array for KTRIGGER command 600 GADS O 12 first primary address 12 610 GADS l 1 first secondary address NONE 620 GADS 2 1 no mope devices 2000 I Trigger Device With...

Страница 252: ...be twice the size of SOURCE COUNT is an integer which represents the number of bytes to unpack from the SOURCE array The number of elements needed in the DEST array in COUNT 2 Returns dest will conta...

Страница 253: ...ror codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 Notes Ti...

Страница 254: ...Usingthe Call Interface in BASICA KM 4WDD Programming Guide This page intentionally left blank 7 92...

Страница 255: ...library files where needed From within the QuickBASIC Environment Be sure that the appropriate QLB file KM488QB4 QLB or KM488QB7 QLB is located where QuickBASIC can find it Then invoke QuickBASIC by t...

Страница 256: ...GLIB bus terminator settings The KTO call can be used to change the default device timeout value To create a Standalone Program This process compiles the QuickBASIC source code and links it to the Qui...

Страница 257: ...However QuickBASIC treats them as signed mag nitudes 32768 to 32767 When you need to express a value which is greater than or equal to 32768 you will need to express it in one of two ways l Convert i...

Страница 258: ...ses structures which are required by various calls for address ing the bus A single GADS structure consists of two integers The first is the primary address of a device The second is the secondary add...

Страница 259: ...be 0 if no error was detected It is good practice to check errcode after each call and provide a routine to handle errors if they arise Returns Thii section describes any values which are returned by...

Страница 260: ...codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming If the KM 488...

Страница 261: ...tatus Change If this bit is set to 1 the lightpen status will become true when a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an Active Controller This...

Страница 262: ...addressed as a Talker and can output data to the GPIB IDLE Idle If this bit is set to one the lightpen status will become true when the KM 48 DD acting as a Peripheral is unaddressed as w a Talker or...

Страница 263: ...rror DIM ode AS INTEGER Integer to hold interrupt enable mask brdnum 0 First GPIB Board SET UP LIGHT PEN INTERRUPT Enable light pen interrupt detection on SRQ ON PEN GOSW 2000 QB connection of subrout...

Страница 264: ...e through which error codes are returned If this varl able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Prog...

Страница 265: ...ch were transferred dur ing the last buffered transaction This will be a long integer 32 b in the range 0 to 1 048 575 0 to 20z0 1 Programming 1 Notes 2 If data is transferred in the DMA CONTINUE mode...

Страница 266: ...eturned If this varl able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 If mygads contains no a...

Страница 267: ...string This string can be comprised of any of the following options T term term Sets the input and output GPIB bus terminators You EOI can select one or two GPIB bus terminators followed by EOI or jus...

Страница 268: ...that the last character has been sent Data will continue to be read until this terminator a valid terminator sequence or both are detected TI term term Sets the input GLIB bus terminators You can sele...

Страница 269: ...that this should only be used if the appli cation program also includes File I O Com mands using named devices name is the name of the device addr is the primary GPIB address 00 to 301 secaddr is the...

Страница 270: ...e the CONFIG keyword i e as you would if you were using the CONFIG File I O command 3 Primary and Secondary Addresses must each be two characters long e g 01 or 0209 Example DIM Str AS STRING String t...

Страница 271: ...be written strlen is the length of the string representing the name of the file Returns None Programming 1 This will echo the value of the call parameters into a disk file Notes Example DIM Str AS SI...

Страница 272: ...gthe Call Interface in QuIckBASiC KM 488 DD Programming Guide KDIAGOFF Purpose Disables file diagnostics Syntax CALL KDIAGOFF Parameters None Returns None Programming None Notes Example CALL KDIAGOFB...

Страница 273: ...t is set to 1 light pen status will not change when a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an Active Controller Controller in Charge If this bi...

Страница 274: ...t change when the KM 488 DD is unaddressed as a Talker or a Listener Refurns errcode is a variable through which error codes are returned If this variable issetto0 then no error occurred Ifitissettoa...

Страница 275: ...the DMA Request line is asserted the DMA controller assumes control of the bus and transfers a single byte of data Control of the bus is then returned to the microprocessor Note that SINGLE and DEMAN...

Страница 276: ...KOUTPUT transfer in DMA CON TINUE mode is selected the AUTOINlTlALlZE option will only be in effect for that transfer Returns None Programming 1 All DMA AUTOINITIALIZE transfers should occur entirely...

Страница 277: ...IM ertnum AS INTEGER Era or code returned if any 0 indicates no error DIM aingleauto AS INTEGER Integer to hold DblA command brdnum 0 First GPIB Board errnuln 0 singleauto 4 1 Singla autoinitialiee Db...

Страница 278: ...t is a long integer representing the number of characters to be read Valid counts are within the range 0 to 4294967295 1 decimal or from 0 to HFFFFFFFF When 0 is used the KENTERBUF will stop when the...

Страница 279: ...the GPIB bus terminators to be used during the KENTERBUF call These terminators are used in con junction with count to terminate the input process Terminator choices include whether or not EOI will b...

Страница 280: ...selected 0 to 255 Detect this ASCII character as the sec ond GPIB bus terminator instead of the default second GPIB Input Terminator The 0 255 value repre sents the ASCII value of the termina tor char...

Страница 281: ...previously addressed to listen then mygads can be naadd Seesection 8 1 and the bus will not be re addressed 3 If count is specified as 0 then KENTER will terminate when the ter minator s specified by...

Страница 282: ...nter DIM dmain 514 Array to hold DblA input waveform from scope SCOPEadd 0 primad 5 first primary address 5 SCOPEadd O secad 1 first secondary address NONE SCOPEadd l primad 1 second primary address N...

Страница 283: ...read Valid counts are within the range 0 to 4294967295 232 1 decimal or from 0 to HFFFFFFFF Note however that QuickBASIC strings have a maximum length of 65535 HFFFF When count is 0 the KENTERSTR will...

Страница 284: ...the GPIB bus terminators to be used during the KENTERSTR call These terminators are used in con junction with count to terminate the input process Terminator choices include whether or not EOI will be...

Страница 285: ...lected 0 to 255 Detect this ASCII character as the sec ond GLIB bus terminator instead of the default second GPIB Input Terminator The 0 255 value repre sents the ASCII value of the termina tor charac...

Страница 286: ...n the terminator s specified by termlist is encountered If it is desirable to terminate on count only and not use the default terminators then you must select no terminator overrides in the ter mlist...

Страница 287: ...ad 1 first secondary address NONE DMMadd l primad 1 second primary address NONE and NONE to follow brdnum 0 First GPIB Board ettnum 0 mode 0 DMA mode flag 0 no DblA 1 DMA Without CONTINDE 3 DMA With C...

Страница 288: ...alue other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 Notes If KERROR has been used to enable error messages the message will only reveal that Bn error has o...

Страница 289: ...D driver to return a NULL character fillsw can be any one of the following 1 OFF The KM 488 DD driver will not return any data charac ters or a DOS error message if no input data is available 2 ERROR...

Страница 290: ...d to be accessed DIM errnm AS INTEGER Error code returned if any 0 indicates no error DIM fillchar AS INTEGER ASCII value of fill character brdnum 0 First GPIB Board errnum 0 fillohar SE Decimal equiv...

Страница 291: ...rdnum 0 First GPIB Board Must be long enough to hold returned id Str STRINGQ 50 32 Return ID from driver to verify its presence CALL KBELLO brdnum ermum Six IF errnum TEEN PRINT IEEE Error errnum STOP...

Страница 292: ...which error codes are returned If this varl able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1...

Страница 293: ...error DIM DblMadd 2 AS GADS thin structure will hold the primary and secondary addresses of the devices DbfMadd O primad 5 r first primary address 5 DMMadd O seoad 1 first secondary address NONE Db46a...

Страница 294: ...d in Appendix G Programming 1 Notes The LOCAL button is disabled so that a device cannot be returned to local state for manual programming or control The Active Controller can return specific devices...

Страница 295: ...range 1 to 4294967295 I decimal or from 1 to ISKHFFFFFFFF mode is an integer which represents whether or not DMA is to be used and if the CONTINUE mode is to be used This integer is interpreted as fol...

Страница 296: ...IWTBUF call These terminators are used in conjunc tion with count to terminate the output process Terminator choices include whether or not EOI will be asserted with the last byte and whether or not a...

Страница 297: ...na tor character to be used An ASCII Equivalence Chart ls provided in Appendix A 1 The following default termlist can also be used Returns DIM DTRM 3 AS INTEGER DTRM O 1 Use the default EOI choice DTR...

Страница 298: ...rides in the tennlist array 6 If a listener does not accept a character a timeout will occur unless the timeout has been disabled Example DIM SCOPEtm 3 AS INTEGER Terminators for output DIM brdnm AS I...

Страница 299: ...range 1 to 4294967295 23 1 decimal or from 1 to HFFFFFFFF hex mode is an integer which represents whether or not DMA is to be used and if the CONTINUE mode is to be used This integer is interpreted a...

Страница 300: ...the KOUTIWTSTR call These terminators are used in conjunc tion with count to terminate the output process Termination choices include whether or not EOI will be asserted with the last byte and whethe...

Страница 301: ...acter to be used An ASCII Equivalence Chart is provided in Appendix A The following default termlist can also be used DIM DTRM 3 AS INTEGER DTRM 0 1 Use the default EOI choice DTRM 1 1 r Use the defau...

Страница 302: ...ed 4 5 A non zero count must always be specified If you do not wish to append terminator characters then be sure to set the terminator defaults accordingly This may be accomplished via CONFIG DAT or b...

Страница 303: ...utput DItd SCOPEtrm 3 AS INTEGER Terminators for output DIM btdnum AS INTEGER r This variable will contain the board number to be accessed SCOPEadd O primad 5 first primary address 5 SCOPEadd O secad...

Страница 304: ...ata is to be stored count is an integer which represents the number of elements comprising the source array The number of elements needed in the de array is count 2 Returns Result is stored in de Prog...

Страница 305: ...15 GPIB bus addresses to be accessed mygads n is comprised of n structures of type GADS You must tailor mygads to your application The GADS structure is described in section 8 1 and defined in the Qui...

Страница 306: ...x or DIM PERIadd 2 AS GADS this structure will hold the primary and aeoondary addresses of the devise to take control PERIadd O primad 2 first primary address 2 PERIadd O secad 1 first secondary addre...

Страница 307: ...rned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G pprtn is an integer variable which will...

Страница 308: ...entification number This is an integer in the range 0 to 3 and represents the board to be pro grammed mygads n is an array of n n can range from 1 to 15 GPIB bus addresses to be accessed mygads n is c...

Страница 309: ...B bus device s ist bit individual status bit Refer to the Device s documentation for more information P2Pi PO ls a 3 bit value which tells the device being configured which data bit CD101through DIOE...

Страница 310: ...Radd 2 AB GADS f this structure will hold the primary and I secondary addresses of the device to take to be confi gured WRadd O primad 1 first primary address 1 wRadd O secad 1 f first secondary addre...

Страница 311: ...resents the board to be pro grammed mygads n is an array of n n can range from 1 to 15 GPIB bus addresses to be accessed mygads n is comprised of n structures of type GADS You must tailor mygads to yo...

Страница 312: ...icates no error DIM PNRadd 2 AS GADS this structure will hold the primary and secondary addresses of the device to take to be disabled PWRadd O primad 1 first primary address 1 add O secad 1 first sec...

Страница 313: ...brdnum ermum IF errnum TEEN PRINT IEEE Erzor errnum STOP Disables the Parallel Poll Response of all GPIB bus device s The KM be the Active ControlleD CALL KPPIJ boardnr errcode boardnr is an integer w...

Страница 314: ...Status Change If this bit is set to 1 a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an Active Controller Controller in Charge If this bit is set to 1...

Страница 315: ...error codes are rehwned If this variable is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming None Note...

Страница 316: ...ange 0 to 3 and represents the board to be pro grammed mygads n is an array of n n can range from 1 to 15 GLIB bus addresses to be accessed mygads n is comprised of n structures of type GADS You must...

Страница 317: ...kout to prevent the device s from being returned to Local mode Example INCLDDE IiBADER BI DIM brdnum AS INTEGER Number of board to be accessed DIM errnum AS INTEGER Error code returned if any 0 indica...

Страница 318: ...2 10 DKXI rsv Dl06 0105 Dl04 Dl03 Dl02 DlOl Where D101 0 Bits 1 through 8 of this device s Serial Poll Response Byte correspond to data lines DIOI DIOB ISV If this bit is 1 the KM 488 DD will generat...

Страница 319: ...o be accessed DIM etrnum AS INTEGER Error ooda returned if any 0 indicates no error DIM srqreq AS INTEGER Integer to hold byte to request service brdnurn 0 Firet GPIB Board f Set RSV But Don t Set Any...

Страница 320: ...ror did occur The error codes are listed in Appendix G Programming 1 The KM 488 DD is reset to the following conditions Notes l STOP l ERRORON DISARM l FILL NULL l CONFIG LOCAL l ABORT l REQUEST 0 If...

Страница 321: ...urns errcode is a variable through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are...

Страница 322: ...ne asserted This indicates to the bus devices that the characters are to be interpreted as GPIB bus commands The command may be sent as either a quoted string e g COMMAND or as a numeric equivalent of...

Страница 323: ...teger representing the GPIB BUS device address of the device s to talk This integer ranges from 00 to 30 decimal Multiple listeners can be specified DATA Sends information with the ATN line unasserted...

Страница 324: ...r did occur The error codes are listed in Appendix G Programming 1 Notes Typically KSEND is used to send commands to initiate communication directly between peripheral devices For example the KM 488 D...

Страница 325: ...or DIM StrCnt AS INTEGER Length of Str DIM Str AS STRING String to hold returned message b nun 0 First GPIB Board I Address Device 2 To Listen Device 12 to talk str lJ JT UNL LISTEN 02 TALK 12 StrCnt...

Страница 326: ...1 to 15 GPIB bus addresses to be accessed mygads n is comprised of n structures of type GADS You must tailor mygads to your application The GADS structure is described in section 8 1 and defined in th...

Страница 327: ...l cause the device to unassert SRQ The string returned by KSTATUS or the integer status word set by KQUIKSTAT can be checked to determine the presence of an SRQ before a serial poll is conducted If on...

Страница 328: ...g SRQ and 0 if not This same result could have been determined from KQUIKSTAT or KSTATUS Note that if this call is issued when a SRQ is pending it internally clears the SRQ pending bit even though the...

Страница 329: ...he board to be pro grammed errcode is a variable through which error codes are returned If this vari able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occu...

Страница 330: ...eset whenever a STATUS is read This can be one of the following GO There has not been a change in the addressed status Gl Them has been a change in the addressed statw Current Indicates if the KM 488...

Страница 331: ...n received Tl A trigger command has been received u Indicates if the IEEE Clear command has been received or not Tbisis not updated during DMA CONTINUE transfers Cleared values are CO No Clear command...

Страница 332: ...M errnum AS INTEGER f Error code returned if any 0 indicates no Errol DIM Str AS STRING String to hold returned message brdnum 0 First GPIB Board errnum 0 str STRING 75 32 I Loop and check status for...

Страница 333: ...i able is set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 Notes 2 If the DMA CONTINUE transfer has b...

Страница 334: ...h devices that transfer binary data real or integer numbers in high byte low byte order When such a device transfers data into a QuickBASIC integer array your program must swap the bytes in each array...

Страница 335: ...board to be pro grammed termlist 0 is an integer array which contains the new default GPIB bus terminators for the KM 488 DD device specified by boardnr See Chapter 6 for more information regarding th...

Страница 336: ...ble values are l HFFFF Don t use second GPIB bus termina tor 0 to 255 Use this ASCII character as the sec ond GPIB bus terminator instead of the default second GPIB Terminator The 0 255 decimal value...

Страница 337: ...no erzo DIM modterm 4 AS INTEGER used to modify the default terminators brdnum 0 First GPIB Board I r Terminator Arrays modterm 0 0 reset both input b output terminators modterm 1 Enable EOI assert d...

Страница 338: ...ndix G Programming 1 Notes If no timeout period is specified the default of 10 seconds will be used 2 3 To suppress Timeout checking set tval to 0 If a Dh4A CONTINLTE transfer is in progress the KM 48...

Страница 339: ...n is an array of n n can range from 1 to 15 GPIB bus addresses to be accessed mygads n is comprised of n structures of type GADS You must tailor mygads to your application The GADS structure is descri...

Страница 340: ...etcor this ektucture holds the primary and secondary addresses of the devices DIM DMMadd 2 AS GADS DbR dadd O primad 12 first primary address 12 DbQ dd O aeoad 1 first secondary address 3 NONE DblMadd...

Страница 341: ...nts comprising the source array The number of elements needed in the de array is count 2 dest will contain the newly converted data Programming 1 Both source and dest must be declared as COMMON Notes...

Страница 342: ...is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 Time out checking if enabled is performed while KWAITCing Notes 2 This is an wait The fol...

Страница 343: ...e KM driver If either of these files resides in a directory other than the one in which you are compiling your program be sure to specify a complete path to each file Typically the following statement...

Страница 344: ...es which are used to receive data require that a string or array be declared to store the received data The length of the string or size of the array should be sufficient to store the number of bytes...

Страница 345: ...ocation 0 of the string where Microsoft PASCAL normally stores it The string length must be calculated in this manner as the KM 488 DD driver is unaware of which language is issuing the current call 5...

Страница 346: ...an array of n 1 to 15 structures of type gads which contain the GPIB address information required by the call This GPIB address structure consists of TYPE gads RECORD primad INTEGER primary address o...

Страница 347: ...group This part of the callable description describes any data which will be returned after execution of the callable has been completed err code All calls except KDIAGON and KDIAGOFF return an intege...

Страница 348: ...the board to be pro grammed err code is a variable through which error codes are returned If this vari able set to 0 then no error occurred If it is set to a value other than 0 then an error did occu...

Страница 349: ...C LA TA IDLE Where ADSC Address Status Change If this bit is set to 1 the lightpen status will become true when a change in address status has occurred i e a Talker becomes a Listener or a Peripheral...

Страница 350: ...l is addressed as a Talker and can output data to the GPIB IDLE Idle If this bit is set to one the llghtpen status will become true when the KM 488 DD acting as a Peripheral is unaddressed as a Talker...

Страница 351: ...KARM cont d CONS2 CARDNUN o Card Number Parameter For Calls SRQBNAB 16 BIT 4 SRQ Detection VAR ErrorFlag WORD BEGIN t Word TO Hold Error Code Enable Light Pen Interrupt Detection On SRQ I kann CAPDNU...

Страница 352: ...e pro grammed dir selects the direction in which the buffer is to be read If dir is equal to 1 the buffer address will be incremented If dir is equal to 0 the buffer address will be decremented err co...

Страница 353: ...UF CONST CARDm o Card Number Parameter Fat Calla DECFWlENT 0 Decrament Idawry Address on DMA VAR EzrorFlag WORD Word TO Hold Error Code BEGIN t Set Direction Of Memory Address Change With DblA uf CARD...

Страница 354: ...h which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G bcount represe...

Страница 355: ...ST CAFONUN o Card Number Parameter For Calls VAR ErrorFlag WORD Word TO Hold Error Code XferCount INTEGERQ Number Of Bytes Moved In Last Transfer BEGLN t Return Number Of Bytes In La GPIB BUS Data Tra...

Страница 356: ...IB bus address of the device to be cleared mygads is an array of n n can range from 1 to 15 structures of type gads Seesection 10 1 for more information err code is a variable through which error code...

Страница 357: ...WORD Word For Code Returned By Calls t Address Structure For Meter At GPIB Address 12 I add 12 O primad 12 1st Instrument Ha8 GPIB Address 12 add_l2 0 secad 1 1 Indicates 1st Instrument Has No Seconda...

Страница 358: ...grammed cfg string is a user defined string This string can be comprised of any of the following options T term term Sets the input and output GPIB bus terminators You EOI can select one or two GPIB b...

Страница 359: ...t assert the GPIB bus EOI line This would indicate that the last character has been sent Data will continue to be read until this terminator a valid terminator sequence or both are detected Sets the i...

Страница 360: ...ld only be used if the appli cation program also includes File I O Com mands utilizing the named device configurations name is the name of the device addr is the primary GPIB address 00 to 30 set addr...

Страница 361: ...note that the CONFIG string for the KCONFIG call does not include the CONFIG keyword i e as you would if you were using the CONFIG File I O command 3 Primary and Secondary Addresses must be two chara...

Страница 362: ...formation is to be written strlen is the length of the string representing the name of the file Returns None Programming This will echo the value of the call parameters into a disk file Notes Example...

Страница 363: ...sing the Call Interface in Microsoft PASCAL KDIAGOFF Purpose Temporarily disables file diagnostics Synlax kdiagoff Parameters None Returns None Programming None Notes Example BEGIN t Disable File Dia...

Страница 364: ...0 0 ADSC CIC PER DET SRQ DEC LA TA IDLE ADSC Address Status Change If this bit is set to 1 light pen status will not change when a change in address status has occurred i e a Talker becomes a Listener...

Страница 365: ...is set to one light pen status will not change when the KM 488 DD is addressed as a Talker and can output data to the GPIB IDLE Idle If this bit is set to one light pen status will not change when the...

Страница 366: ...ode integer is interpreted as follows Bit 15 3 2 1 0 I 0 1 SIN 1 DEM 1 AUTO I Where SIN SINGLE When this bit is set to one the SINGLE mode is selected In this mode when the DMA Request line is asserte...

Страница 367: ...only in effect until the next KENTER or KOUTPIJT buffered transfer is completed Addi tionally if a KENTER or KOUTPUT transfer in DMA CON TINUE mode is selected the AUTOINITIALIZE option will only be i...

Страница 368: ...r Parameter For Calls AUTO 1 Auto Mode of DblA Transfer l DEMAND 2 Demand Mode of DMA Transfer SINGLE 4 Single Mod 3 of DMA Transfer VAB ErrorFlag WORD BEGIN t Word TO Hold Error Code Set Up D dA Mode...

Страница 369: ...mmed darray is a character array large enough to accept the returned data If a non zero count is specified the array should be of size count If count is 0 and terminator characters are used then darra...

Страница 370: ...in the data transfer mygads n represents the GPIB bus address of the device to be reset mygads is an array of n n can range from 1 to 15 structures of type gads You must tailor mygads to your applica...

Страница 371: ...he first GPIB bus terminator instead of the default first GPIB Input Terminator The 0 255 value represents the ASCII value of the terminator character to be used An ASCII Equivalence Chart is provided...

Страница 372: ...the KM 488 DD is the Active Controller it will automatically address itself as a listener and another device defined in mygads as the talker Since only one device can be a talker the address group myg...

Страница 373: ...OF INTEGER Array Of GPIB Terminators For VSNTER And KOUTPUT BEGIN t Address Structure For Meter At GPIB Address 05 l Inat nt Has GPIB Address 5 l ad O5 0 primad 5 1 Indicates No Secondary Address add...

Страница 374: ...ssage display is enabled This is the default If e sw O is specified the error message display is dis abled err code is a variable through which error codes are returned If this varl ables set to 0 the...

Страница 375: ...PASCAL KERROR cont d Example CONST CARDNUN 0 Card Number Parameter For Calls ERP ON 1 Enable Error Display VAR ErrorFlag WORD BEGIN t Word To Hold Error Code Enable Error Display I kerror CARDNUM Err...

Страница 376: ...and represents the board to be pro grammed fill sw is an integer which represents the Ii11condition The default con dition returns a NULL character Valid integers are any one of the follow ing 1 OFF T...

Страница 377: ...hen no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Example CONST cARDNuM o Card Number Parameter For Calls FILL_SW 88 se X Au F...

Страница 378: ...resents the board to be pro grammed id response will contain a string similar to copyright c 1991 Xexthley MetraByte Corp err code is a variable through which error codes are returned If this vari abl...

Страница 379: ...mine String Length And Stuff It In Location 0 PRCCEDUPX char count VAR ch_stmg LSTRING BEGIN Check For NULL or 255 Characters i 1 WHILE 1 255 AND ch stmg i CHR 0 DO i i 1 Assign Calculated Count TO St...

Страница 380: ...described in section 10 1 err code is a variable through which error codes are returned If this vari able set to 0 then no error occurred If it is set to a value other than 0 then an error did occur...

Страница 381: ...p One Device At 12 ErrorFlag WORD Word For Code Returned By Calls t Address Structure For Meter At GPIB Address 12 adcm12 0 primad 12 1st Device Pri Address 12 add_l2 0 secad 1 1st Device NO Sec Addre...

Страница 382: ...are returned If this vari ablez set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 Notes The LOCAL but...

Страница 383: ...erface in Microsoft PASCAL Example CONST CARDNUN o Card Number Parameter For Calls VAR Errorrlag WORD For Returned Error Code 0 OK BEGIN klol CARDNUbl ErrorFlag Lock Out Local Control Of Devices IF Er...

Страница 384: ...st Parameters board nr is an integer which represents the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed darray is an array of data to ou...

Страница 385: ...data mygada is a pointer to an array of n fn can range from 1 to 15 struc tures of type gads You must tailor mygads to your application mygads structure is defined in the include file mp488dd inc and...

Страница 386: ...CII Equivalence Chart is provided in Appendix A 2nd GPIB bus terminator Possible values are 1MFFFF Use the default terminator Note that if the default first terminator is used this will automatically...

Страница 387: ...ive Controller and my gads contains the device s to be addressed the KOUTPUT will automatically assert the GPIE3REN Remote Enable line 3 If the KM 48 DD is the Active Controller and KOUTPUT is called...

Страница 388: ...IB Terminators PO VENTER And KOUTPUT sdata AmAY O NuMD 11 OF CHAR Array Of Data TO OUTPUT BEGIN Structure For No Default Terminator E01 Overrides dtrm Ol 1 1 Assert EOI koutput Detect EOI kentar dtrm...

Страница 389: ...IB bus address of the device to become the new Active Controller mygads is a pointer to an array of n n can range from 1 to 15 structures of type gads You must tailor mygads to your application mygads...

Страница 390: ...ess Group One Device At 02 l BEGIN Address Structure For Peripheral At GPIB Address 02 add 02 0 primad 2 t 2 1st Instrument Has GPIB Address 02 add_02 0 secad 1 1 1st Inst nt Has No Secondary Address...

Страница 391: ...None Notes board nr is an integer which represents the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed err code is a variable through whi...

Страница 392: ...ber Parameter For Calls l VAR ErrorFlag WORD Integer to Hold Error Code Retuned By Each CALL 0 false no error PP_reSP INTEGER Integer Folf Parallel Response t Conduct Parallel Poll And Print Result I...

Страница 393: ...r which represents the board identification number This is z integer in the range 0 to 3 and represents the board to be pro grammed mygads n contains the GPIB bus addressfes of the device s to be conf...

Страница 394: ...e GPIB bus device s ist individual status bit Refer to the Device s documentation for more information P2P1PO is a 3 bit value which tells the device being configured which data bit CD101 through DIO8...

Страница 395: ...ads Address Group will have one device Q 1 BEGIN Device Supporting PPOLL IS At AddreSS 01 I add l Ol primad 1 1st Instrument Has GPIB Address 01 add_l Ol secad 1 1 1st Instrument Has NO Secondary Addr...

Страница 396: ...in the range 0 to 3 and represents the board to be pro grammed mygads n contains the GLIB bus address of the device es to be dis abled mygads is a pointer to an array of n n can range from 1 to 15 st...

Страница 397: ...AY O I OB gads Address Group will have one device 0 1 t Address Structure For Device At GPIB Address 01 I add_l O primad 1 1st Instrument Has GPIB Address 01 add_l Ol secad 1 1 1st Instrument Has No S...

Страница 398: ...d represents the board to be pro grammed Returns err code is a variable through which error codes are returned If this vari able set to 0 then no error occurred If it is set to a value other than 0 th...

Страница 399: ...2 1 0 0 ADSC CIC PEND DET SRQ DEC LA TA DMA Where ADSC Address Status Change If this bit is set to 1 a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an...

Страница 400: ...M 488 DD is addressed as a Talker and can output data to the GI IB DMA DMA A DMA transfer is currently in progress err code is a variable through which error codes are returned If this vari le is set...

Страница 401: ...number This is an integer in the range 0 to 3 and represents the board to be pro grammed mygads n contains the GPIB bus address of the device es 1to be put in the remote mode mygads is a pointer to a...

Страница 402: ...ce to issue a Local Lockout to prevent the device s from being returned to Local mode CONST CARDNUN o Card Number Parameter For Calls VAR ErrorFlag WORD Integer to Hold Error Code Returned By Each CAL...

Страница 403: ...4 4 3 3 2 2 10 10 DlO6 rsv Dl06 Dl05 D104 Dl03 Dl02 DlOl DIOB rsv Dl06 Dl05 D104 Dl03 Dl02 DlOl Where D101 6 Bits 1 through 8 of this device s Serial Poll Response Byte correspond to data lines DIOl...

Страница 404: ...EQUEST cont d Example CONST CARDNUN o Card Number Parameter For Calls ABSERTSRQ 64 Set Reserved SRQ Bit In Status Byte ErrorFlag WORD Word For Code Returned By Calls BEGIN t Generate SRQ krequest CARD...

Страница 405: ...a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it ls set to a value other than 0 then an error did occur The error codes are listed in Appendi...

Страница 406: ...DD Programming Gulde KRESET cont d Example CONST cARDNrJw o Card Number Parameter For Calls l VAR Errorslag WORD Word For Code Returned By Calls BEGIN t Reset Driver kreset CARDNUM ErrorFlag IF ErrorF...

Страница 407: ...e 0 to 3 and represents the board to be pro grammed err code is a variable through which error codes are returned If this varl ables set to 0 then no error occurred If it ls set to a value other than...

Страница 408: ...fied however the length of the SEND com mand string cannot exceed 255 characters The subcommands are as follows CMD Sends information with the ATN line asserted This indicates to the bus devices that...

Страница 409: ...dresses another GPIB device or KM 488 DD to talk by sending a GPIB TAG Talk Address Group command with the ATN line asserted addr is an integer representing the GPIB BUS device address of the device t...

Страница 410: ...t character ls transmitted This information is interpreted as GPIB bus data and may be sent as either a quoted string e g xyz or as a numeric equivalent of an individual ASCII charac ter e g 13 decima...

Страница 411: ...ng be sure to call KRESUME immediately after the KSEND This is necessary because the ATN line must be dropped so that the transfer will pro ceed Example 6 Do not include the word SEND within the KSEND...

Страница 412: ...mygads n contains the GPIB bus address of the devicetes to be dis abled mygads is a pointer to an array of n n can range from 1 to 15 struc tures of type gads You must tailor mygads to your applicati...

Страница 413: ...sserting SRQ will cause the device to unassert SRQ The string returned by KSTATUS or the integer word by KQUIKSTAT can be checked to determine the presence of an SRQ before a serial poll is conducted...

Страница 414: ...D the peripheral KM 488 DD unasserts the SRQ line For an example see KREQUEST The state of the SRQ bit can also be deter mined from the string returned by KSTATUS or the integer status word set by a K...

Страница 415: ...rn Word For Coda Returned By Calls BEGIN t Address Structure For Meter At GPIB Address 12 add_l2 0 p imad 12 1st Instrument Has GPIB Address 12 add_l2 0 secad 1 1 Indicates 1st Instrument Has No Secon...

Страница 416: ...3 and represents the board to be pro grammed Returns err code is a variable through which error codes are returned If this vari able set to 0 then no error occurred If it is set to a value other than...

Страница 417: ...t whenever a STATUS is read Ibis can be one of the following GO There has not been a change in the addressed status G1 There has been a change in the addressed statw I mAddressed India if the KM488 DD...

Страница 418: ...CO No Clear command has been received Cl A Ctear c mmand has been received 24 2 TransferStatus Indhtes if Pdata transfer is in progress Values which may appear are PO No transfer PI DMA CONTINUE Tran...

Страница 419: ...Code i INTEGER t Proc TO Determine String Length And Put It In Loc 0 I PROCEDURE char count VAR ch 8tmg LSTRING BEGIN t Check For NULL or 255 Characters i 1 WHILE 1 255 AND ch stmg il Cm O DO i itl I...

Страница 420: ...are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 Notes If the DMA CO...

Страница 421: ...in the range 0 to 3 and represents the board to be pro grammed tern list is an integer array which defines the GLIB bus terminators See Chapter 6 for more information regarding the use of GPIB bus te...

Страница 422: ...ator Possible values are l FFFF Don t use second GPIB bus termina tor 0 to 255 Use thii ASCII character as the sec ond GPIB bus terminator instead of the default second GLIB Terminator The 0 255 decim...

Страница 423: ...O 31 OR INTEGER Array Of GPIB Terminators FOX KTEBM l BEGIN t Configure Terminators For BUS Operations t l Structure TO Reset Configuration Terminators tnn_lst o 0 0 Indicates Change Input AND Output...

Страница 424: ...ow before a time out err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The e...

Страница 425: ...N o Card Number Parameter For Calls FIFTEEN 273 15 seconds at 18 2 ticks per second VAR ErrorFlag WORD Word TO Hold Errol Code Returned By Each Call 0 false no errors BEGIN t Set Time Out TO 15 Second...

Страница 426: ...d to be pro grammed mygads n contains the GPIB bus addressfes of the devicefes to be trig gered mygads is a pointer to an array of n n can range from 1 to 15 struc tures of type gads You must tailor m...

Страница 427: ...e At 12 ErrorFlag WORD Word For Code Returned By Calls t Address Structure For Meter At GPIB Address 12 add_lZ O primad lZ 1st Instrument Has GPIB Address add_lZ O secad 1 1 Indicates 1st Instrument H...

Страница 428: ...0 to 3 and represents the board to be pro grammed Returns err code is a variable through which error codes are returned If this varl ables set to 0 then no error occurred If it is set to a value othe...

Страница 429: ...WAITC cont d Example CONST CARDNON o Card Number Parameter For Calls VAR F rrorI 1ag WORD Word For Coda Returned By Calls BEGIN Wait For DNA TO Finish DNA CONTINUE started here kwaitc CARDNUN ErrorFla...

Страница 430: ...Uslng the Call Interface In Microsoft PASCAL KM 488 DD Programming Guide This page intentionally left blank 9 88...

Страница 431: ...an the one in which you are compiling your program be sure to specify a complete path to each file The V is used throughout the example programs to relax string checking during procedure and function...

Страница 432: ...out value Programming 1 Notes 2 Any values passed into a call in a variable may also be passed as a constant or as the returned value of a function Parameters which are also used to return values must...

Страница 433: ...are limited to 255 bytes maximum When values are retuned to the calling program via a string vari able the string length must be calculated and placed in location 0 of the string where Turbo PASCAL n...

Страница 434: ...s is an array of n 1 to 15 structures of type gads which contain the GPIB address information required by the call This GPIB address structure consists of TYPE gads RECORD primad INTEGER secad INTEGER...

Страница 435: ...ns This part of the callable description describes any data which will be returned after execution of the callable has been completed err code All calls except KDIAGON and KDIAGOFF return an integer e...

Страница 436: ...e board to be pro grammed err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur...

Страница 437: ...TA IDLE Where ADBC Address Status Change If this bit is set to 1 the lightpen status will become true when a change in address status has occurred i e a Talker becomes a Listener or a Peripheral beco...

Страница 438: ...eral is addressed as a Talker and can output data to the GPIEl Idle If this bit is set to one the lightpen status will become true when the KM 488 DD acting as a Peripheral is unaddressed as a Talker...

Страница 439: ...n TURBOPASCAL CONST 0 ex Parknataz Fat Calls SRQENAN 16 BIT 4 SRQ Detection VAR ErrorFlag WORD Word To Bold Error Code BEGIN t Enable Light Pen Interrupt Detection On SRQ karm CARDNDM ErrorFlag SRQENA...

Страница 440: ...pro grammed dir selects the direction in which the buffer is to be read If dir is equal to 1 the buffer address will be incremented If dir ls equal to 0 the buffer address will be decremented err cod...

Страница 441: ...d CONST CARDNUM o Card Number Parameter For Calls DECREMENT 30 Decrement Memory Address on DMA VAN ErrorFlag WORD BEGIN t Word To Bold Error Code Set Direction Of Memory Address Change With DMA kbuf C...

Страница 442: ...are returned If this varl ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G bcount represents the number of ch...

Страница 443: ...T CMDNUM o Card Number Parameter For Calls VAB ErrorRlag WORD Word To Bold Error Code XferCount INTEGEB4 Number Of Bytes Moved In Last Transfer BEGIN t Return Numbat Of Bytes In Last GPIB BUS Data Tra...

Страница 444: ...address of the device to be accessed mygads is an array of n n can range from 1 to 15 structures of type gads Seesection 10 1 for more information err code is a variable through which error codes are...

Страница 445: ...ag WORD Word For Code Returned By Calls t Address Structure FOL Meter At GPIB Address 12 I add 12 0 primad 12 1st Instrument Bas GPIB Address 12 add_l2 0 secad 1 1 Indicates 1st Instrument 888 No Seco...

Страница 446: ...cfg string is a user defined string This string can be comprised of any of the following options T term term Sets the input and output Gl IB bus terminators You EOII can select one or two GPIB bus ter...

Страница 447: ...e last character has been sent Data will continue to be read until this terminator a valid terminator sequence or both are detected TI term term Sets the input GPIB bus terminators You can select one...

Страница 448: ...only be used if the appli cation program also includes File I O Com mands utilizing the named device configurations name is the name of the device addr is the primary GLIB address 00 to 30 set addr is...

Страница 449: ...ote that the CONFIG string for the KCONFIG call does not include the CONFIG keyword i e as you would if you were using the CONFIG File I O command Primary and Secondary Addresses must be two character...

Страница 450: ...tic information is to be written strlen is the length of the string representing the name of the file None Programming This will echo the value of the call parameters into a disk file Notes Example CO...

Страница 451: ...de Using the Call Interface In TURBOPASCAL KDIAGOFF Purpose Temporarily disables file diagnostics Syntax kdiagoff Parameters None Returns None Programming None Notes Example BEGIN t Disable File Diagn...

Страница 452: ...DSC CIC PER DET SRQ DEC LA TA IDLE Where ADSC Address Status Change If this bit is set to 1 light pen status will not change when a change in address status has occurred i e a Talker becomes a Listene...

Страница 453: ...will not change when the KM 488 DD is addressed as a Listener and can accept data from the GPIB TA Talk Addressed If this bit is set to one light pen status will not change when the KM 488 DD is addre...

Страница 454: ...ARM cont d CONST CARDNDM o Card Number Parameter For Calls SRQENAB 16 BIT 4 SRQ Detection VAR ErrorFlag WORD Word To Bold Error Code REGIN I Disable Light Pen Interrupt Detection On SRQ kdisarm CARDND...

Страница 455: ...SINGLE When this bit is set to one the SINGLE mode is selected In this mode when the DMA Request line is asserted the Dh4A controller assumes control of the bus and transfers a single byte of data Co...

Страница 456: ...ompleted Addi tionally if a KENTER or KOUTPUT transfer in DMA CON TINUE mode is selected the AUTOINITIALIZE option will only be in effect for that transfer Returns None Programming 1 All DMA AUTOINITI...

Страница 457: ...Parameter For Calls ADTO l Auto bloda of DblA Transfer DEMAND 2 Demand blobodeof DMA Transfer SINGLE 4 Single Noda of DMA Transfer VAX4 ErrorFlag WORD Word To Bold Error Code BEGIN Set up DMA Mode To...

Страница 458: ...rray is a character array large enough to accept the returned data If a non zero count is specified the array should be of size count If count is 0 and terminator characters are used then darray must...

Страница 459: ...A DMA If this bit is set to one then DMA will be used in the data transfer mygads n represents the GPIB bus address of the device to be accessed mygads is an array of n n can range from 1 to 15 struct...

Страница 460: ...terminator instead of the default first GPIB Input Terminator The 0 255 value represents the ASCII value of the terminator character to be used An ASCII Equivalence Chart ls provided in Appendix A te...

Страница 461: ...488 DD is the Active Controller it will automatically address itself as a listener and another device defined in mygads as the talker Since only one device can be a talker the address group raygads ca...

Страница 462: ...2 OF INTEGER Array Of GPIB Terminators For EBNTRR And KOUTPUT BEGIN Address Structure For Meter At GPIB Address 05 add_05 0 primad 5 Instrument Eas GPIB Address 5 add 05 0 secad 1 1 Indicate8 No Secon...

Страница 463: ...lay is enabled This is the default If e sw O is specified the error message display is dis abled err code is a variable through which error codes are returned If this vari able set to 0 then no error...

Страница 464: ...ramming Guide KERROR CONST CARDNUM 0 Card lluuber bamnbstet For Calls m l Enable Error Display VAN ErrorFlag WORD Word To Bold Error Code BEGIN t Enable Error Display I kerror CARDNUbf ErrorFlag ERR O...

Страница 465: ...represents the board to be pro grammed fill sw is an integer which represents the fill condition The default con dition returns a NULL character Valid integers are any one of the follow ing 1 OFF Thi...

Страница 466: ...0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Example CONST CARDNUN 0 Card Number Parameter For Calls FILL SW 88 Use X...

Страница 467: ...ents the board to be pro grammed id response will contain a string similar to copyright c 1991 Kezthley MetraByte Corp err code is a variable through which error codes are returned If this vari ables...

Страница 468: ...Prooedura To Determine String Length And Stuff It In Location 0 PROtXDDRX char count VAR ch strg STRING BEGIN Check For NULL or 255 Characters i 1 WRILE 1 255 AND ch strng i CER 0 DO i i 1 Assign Cal...

Страница 469: ...rough which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programmin...

Страница 470: ...ne Device At 12 ErrorFlag WORD Word For Code Returned By Calls t Address Structure For Nater At GPIB Address 12 I l dd_l2 0 primad 12 1st Devioe Pri Address 12 add_12 0 secad 1 1st Device No Sec Addre...

Страница 471: ...rror codes are returned If this vari ablex set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 Notes The...

Страница 472: ...DD Programming Guide KLOL cont d CONST CAXDNUN o Card Number Parameter For Calls VAX ErrorFlag WOXD For Returned Error Code 0 OX I BEGIN klol CARDNUM ErrorFlag Look Out Local Control Of Devices IF Er...

Страница 473: ...e pro grammed darray is an array of data to output count is a long integer representing the number of characters to be output Valid counts are within the range 1 to 4294967295 r l decimal or from 1 to...

Страница 474: ...d during the KOUTPUT call These terminators are used in conjunc tion with count to terminate the output process Termination choices include whether or not EOI will be detected with the last byte and w...

Страница 475: ...d GPIB Input Terminator The 0 255 value repre sents the ASCII value of the termina tor character to be used An ASCII Equivalence Chart ls provided in Appendix A The following default termlist can also...

Страница 476: ...ally address itself as the talker and another device s con tained in my gads as the listener s If the devices have been pre viously addressed then my gads can be no add and the bus will not be re addr...

Страница 477: ...rFlag WORD Word To Bold Error Code Returned By Each Call 0 false no errors no add AFtRAY O l OF gads Addr Group Signaling No Addressing dtrm ARRAY 0 2 OF INTEGER Array Of GPIB Terminators For KENTER A...

Страница 478: ...he GPIB Bus no add O primad 1 1 Indicates No New Address I no add O eecad 1 1 Indicates No Secondary Ad em no add l primad 1 1 Indicates No Other In8tnumnta c data Array Initialized Xere koutput CARDN...

Страница 479: ...ess of the device to become the new Active Controller mygads is a pointer to an array of n fn can range from 1 to 15 structures of type gads You must tailor mygads to your application mygade structure...

Страница 480: ...Group One Device At 02 BEGIN Address Structute For Peripheral At GPIB Address 02 add_02 0 primad 2 t 2 1st Instrument Has GPIB Address 02 add OZ O secad 1 1 1st Instrument Bas No Secondary Address ad...

Страница 481: ...an integer which represents the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed err code is a variable through which error codes are retur...

Страница 482: ...umber Parameter For Calls l VAR ErrorFlag WORD Integer to Bold Error Code Returned By Each CALL 0 false no error m p INTEGER Integer For Parallel Response P Conduct Parallel Poll And Print Result kppo...

Страница 483: ...board nr err code mygads ppc cfg Parameters board nr is an integer which represents the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed m...

Страница 484: ...GPIB bus device s ist individual status bit Refer to the Device s documentation for more information P2PI Pa is a 3 bit value which tells the device being configured which data bit DIOl through DIO8 i...

Страница 485: ...ds Address Group will have one device 1 BEGIN t Device Supporting PPOLL Is At Ad ass 01 add l O primad 1 1st Instrument Bas GPIB Address 01 add l O seoad 1 1 1st Instrument Bas No Secondary Addr add l...

Страница 486: ...the board identification number This is G integer in the range 0 to 3 and represents the board to be pro grammed mygads n represents the GPIB bus address of the device to be accessed mygads is an arr...

Страница 487: ...O l OF gads Address Group will have one device 1 t Address Structure For Device At GPIB Address 01 I add l O primad 1 1st Instrument 88s GPIB Address 01 add l O secad 1 1 1st Instrument Ras No Second...

Страница 488: ...represents the board to be pro grammed err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an er...

Страница 489: ...1 0 0 ADSC CIC PEND DET SRQ DEC LA TA DMA Where ADSC Address Status Change If this bit is set to 1 a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an A...

Страница 490: ...tener and can accept data from the GPIB TA Talk Addressed If this bit is set to one the KM 488 DD is addressed as a Talker and can output data to the GPIB DMA DMA A DMA transfer is currently in progre...

Страница 491: ...l Interface In TURBOPASCAL KQUIKSTAT cont l Example CONST msc WOO VAR board m INTEGER err code WORD qstat INTEGER BRGIN QSTAT 0 Initialim QSTAT To 0 kquikstat board nr err code q at IF QSTAT AND ADSC...

Страница 492: ...nr is an integer which represents the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed mygads n represents the GPIB bus address of the dev...

Страница 493: ...ckout to prevent the device s from being returned to Local mode Example CONST CARDNUN o Card Number Parameter For Calls VAR ErrorFlag WORD Integer to Hold Error Code Returned By Each CALL 0 false no e...

Страница 494: ...wing format Bll 7 6 6 4 3 2 10 Ill06 rsv Dl06 DlO5 Dl04 Dl03 DIOZ DlOl Where D101 6 Bits 1 through 8 of this device s Serial Poll Response Byte correspond to data lines DIOI DIO8 ISV If this bit ls 1...

Страница 495: ...SCAL Example CONST cAFaNwN 0 Cord Number Pkn er Bar Cal18 ASSERTSRQ 64 Set Reserved SRQ Bit In Status Byte ErrotElag WORD Word For Code Returned By Calls BEGIN t Generate SRQ krequest CARDNUM ErrorFla...

Страница 496: ...rammed err code is a variable through which error codes are returned If this vari ablez set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are...

Страница 497: ...g the Call Interface In TURBOPASCAL KRESET CONST CARDNm 0 Card Number Parameter For Calls VAR ErrorFlag WORD Word For Code Returned By Calls BEGIN t Reset Driver kreset CAFUMJM ErrorFlag IF ErrorFlag...

Страница 498: ...ange 0 to 3 and represents the board to be pro grammed err code is a variable through which error codes are returned If this vari able5 set to 0 then no error occurred If it is set to a value other th...

Страница 499: ...the length of the SEND com mand string cannot exceed 255 characters The subcommands are as follows CMD Sends information with the ATN line asserted This indicates to the bus devices that the characte...

Страница 500: ...sses another GPIE3device or KM 488 DD to talk by sending a GPIB TAG Talk Address Group command with the ATN line asserted addr is an integer representing the GPIB BUS device address of the device to t...

Страница 501: ...haracter is transmitted This information is interpreted as GPIB bus data and may be sent as either a quoted string e g xyz or as a numeric equivalent of an individual ASCII charac ter e g 13 decimal o...

Страница 502: ...ing be sure to call KRESUME immediately after the KSEND This is necessary because the ATN line must be dropped so that the transfer will pro ceed 6 Do not include the word SEND within the KSEND string...

Страница 503: ...nge 0 to 3 and represents the board to be pro grammed mygads n represents the GPIB bus address of the device to be accessed mygads is an array of n n can range from 1 to 15 structures of type gads See...

Страница 504: ...rting SRQ will cause the device to unassert SRQ The string returned by KSTATUS or the integer word by KQUIKSTAT can be checked to determine the presence of an SRQ before a serial poll is conducted If...

Страница 505: ...D the peripheral KM 488 DD unasserts the SRQ line For an example see KREQUEST The state of the SRQ bit can also be deter mined from the string returned by KSTATUS or the integer status word set by a K...

Страница 506: ...d For Code Returned By Calls BBGIN P Address Structure For Meter At GPIB Address 12 add_l2 0 primad 12 1st Instrument Has GPIB Address 12 add_l2 0 secad 1 1 Indicates 1st Instrument Bas No Secondary A...

Страница 507: ...resents the board to be pro grammed Returns err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then a...

Страница 508: ...reset whenever a STATUS is read This can be one of the following GO There has not been a change In the addressed statw Gl There has been a change In the addressed stat 1 mAddressed Indicates if the K...

Страница 509: ...eceived PO No transfer PI DMA CONTINUE Transfer occurring Pz DMA AUTOINITIALIZE Transfer occurring w Contains the Error Message Text assodated with the given error code EXX These emor mwa ges are list...

Страница 510: ...i INTEGER t Ptoo To Determine String Length And Put It In Loo 0 PRCCEDIJRE char count VAR ch strg STRING BEGIN t Check For NDLL or 255 Characters i 1 WEILE 10255 AND ch strng i CER 0 DO i i l t Assig...

Страница 511: ...If this vari able set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 If the DMA CONTINUE transfer has b...

Страница 512: ...the range 0 to 3 and represents the board to be pro grammed tern list is an integer array which defines the GPIB bus terminators See Chapter 6 for more information regarding the use of GLIB bus termi...

Страница 513: ...tor Possible values are 1 FFFF Don t use second GPIB bus termina tor 0 to 255 Use this ASCII character as the sec ond GPIB bus terminator instead of the default second GPIB Terminator The 0 255 decima...

Страница 514: ...INTEGER Array Of GPIB Terminators For KTEF34 BEGIN t Configure Terminators For BUS Operations I t Structure To Reset Configuration Terminators I tm lst ol 0 0 Indicates Change Input AND Output Termin...

Страница 515: ...ertain to check that a DMA CONTINUE transfer has been com pleted Changes the timeout period VAR board nr INTRGER err code WORD tvai INTEGER4 BEGIN kto board nr err code tval board nr is an integer whi...

Страница 516: ...Number Parameter For Calls FIFTEEN 273 15 seconds at 18 2 ticks per second VAN EEECXF O warn Word TO Bold Error Code Returned By Each Call 0 false no errors BEGIN t Set Time Out To 15 Seconds Approx 1...

Страница 517: ...his is an integer in the range 0 to 3 and represents the board to be pro grammed mygads nl represents the GPIB bus address of the device to be accessed mygads is an array of n n can range from 1 to 15...

Страница 518: ...rrorFlag WORD Word For Code Returned By Calla P Address Structure For Meter At GPIB Address 12 add_l2 O primad 12 1st Instrument Has GPIB Address add 12 0 secad 1 1 Indicates 1st Instrument aas No Sec...

Страница 519: ...to 3 and represents the board to be pro grammed Returns err code is a variable through which error codes are returned If this varl ableG set to 0 then no error occurred If it is set to a value other t...

Страница 520: ...Example CONST CARDNUN 10 Card Number Parameter For Calls VAR ErrorFlag WORD Word For Code Returned By Calls BEGIN t Wait For DblA To Finish t DM CONTINDB started here 1cwait c CARDNUN ErrorSlag IF Er...

Страница 521: ...ction prototypes structures etc Compile your program in the normal manner being sure to link it with the library KM4881FCOBJ Far example when working in Microsoft C at the DOS prompt type either cl yo...

Страница 522: ...into the KM 488 DD Routine 3 Any KM 488 DD routine which returns a value into a string requires an additional parameter This defines the total number of bytes available as string space for storage of...

Страница 523: ...is is an array of n 1 to 15 structures of type gads which contain the GLIB address information required by the call This GPIB address structure consists oE struot gads int primad primary address o 30...

Страница 524: ...le description describes any data which will be returned after execution of the callable has been completed err code All calls except KDIAGON and KDIAGOFF return an integer error code which will be 0...

Страница 525: ...in the range 0 to 3 and represents the board to be pro grammed err code is a variable through which error codes are returned If this varl ables set to 0 then no error occurred If it is set to a value...

Страница 526: ...cc PEW DET Address Status Change If this bit is set to 1 the lightpen status will become true when a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an A...

Страница 527: ...is addressed as a Talker and can output data to the GPIB IDLE Idle If this bit is set to one the lightpen status will become true when the KM 48 DD acting as a Peripheral is unaddressed as a Talker or...

Страница 528: ...Using the Call Interface in C KM 48 DD Programming Guide Example define LA 0x4 define PERI 0x40 int err ooda 0 int board m 0 karm board nr Cerr oode PERI 1 LA if err oode my errorhandler err oode 11 8...

Страница 529: ...is equal to 1 the buffer address will be incremented If dir is equal to 0 the buffer address will be decremented err code is a variable through which error codes are returned If this vari ables set to...

Страница 530: ...than 0 then an error did occur The error codes are listed in Appendix G bcount represents the number of characters which were transferred during the last buffered transaction This will be a long integ...

Страница 531: ...lor mygads to your application The mygads struc ture is defined in the include file km488dd h and is described in section 11 1 Returns err code is a variable through which error codes are returned If...

Страница 532: ...er pointer to a user defined string This string can be comprised of any of the following options T term term Sets the input and output GPIB bus terminators You EOI can select one or two GPIB bus termi...

Страница 533: ...the last character has been sent Data will continue to be read until this terminator a valid terminator sequence or both are detected TI term term Sets the input GPIB bus terminators You can select on...

Страница 534: ...nly be used if the appli cation program also includes File I O Com mands utilizing the named device configurations name is the name of the device addr is the prlmary GPIB address 00 to 30 sac addr is...

Страница 535: ...ication program previously written using the File I O commands to callables be sure to note that the CONFIG string for the KCONFIG call does not include the CONFIG keyword i e as you would if you were...

Страница 536: ...kdiagon filename strlen filename filename is string containing the name of the file to which the diagnostic information is to be written strlen is the length of the string representing the name of the...

Страница 537: ...all Interface in C Purpose Temporarily disables file diagnostics Syntax kdiagoff Parameters None Returns None Programming None Notes Example char FileName WYDIAG DAT kdiagon FileName strlen FileName D...

Страница 538: ...light pen status will not change when a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an Active Controller cc Controller in Charge If this bit is set to...

Страница 539: ...not change when the KM 488 DD is addressed as a Talker and can output data to the GPIB IDLE Idle If this bit is set to one light pen status will not change when the KM 488 DD is unaddressed as a Talke...

Страница 540: ...e when the DMA Request line is asserted the DMA controller assumes control of the bus and transfers a single byte of data Control of the bus is then returned to the microprocessor Note that SINGLE and...

Страница 541: ...fect for that transfer Returns None Programming 1 All DMA AUTOINITIALIZE transfers should occur entirely within a Notes single DMA 64 KByte page So if a DMA buffer operation involves a transfer of mor...

Страница 542: ...returned by the device and the termination char acters count is a long integer representing the number of characters to be read Valid counts are within the range 0 to 4294967295 23 l decimal or from...

Страница 543: ...to be used during the KENTER call These terminators are used in conjunc tion with count to terminate the input process Terminator choices include whether or not EOI will be detected to signal end of i...

Страница 544: ...cted 0 to 255 Detect this ASCII character as the sec ond GPIB bus terminator instead of the default second GPIB Input Terminator The 0 255 value repre sents the ASCII value of the termina tor characte...

Страница 545: ...1 and the bus will not be re addressed If count is specified as 0 then KENTER will terminate when the ter minator s specified by term list is encountered If it is desirable to terminate on count only...

Страница 546: ...is dis err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes ar...

Страница 547: ...1 OFF This type of response will not return any data characters or a DOS error message if no input data is available 2 ERROR This type of a response will not return any data characters but will genera...

Страница 548: ...err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed...

Страница 549: ...code is a variable through which error codes are returned If this vari ablez set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in...

Страница 550: ...gads add 05 15 int ErrorFlag 0 Addrem Structure For Device With GPIB Address 05 l let instrument has GPIB primary address 05 no second ary ad e00 add 05 O primad 05 add 05 0 secad 1 add_05 1 primad 1...

Страница 551: ...e other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 The LOCAL button is disabled so that a device cannot be returned to Notes local state for manual programmi...

Страница 552: ...rs to be output Valid counts are within the range 1 to 4294967295 232 1 decimal or from 1 to OxFFFFFFFFhex mode is an integer which represents whether or not DMA is to be used and if the CONTINUE mode...

Страница 553: ...1 term list 31 is an integer array which defines the GLIB bus terminators to be used during the KOUTRJT call These terminators are used in conjunc tion with count to terminate the output process Termi...

Страница 554: ...ter to be used An ASCII Equivalence Chart is provided in Appendix A The following default tsrmlist can also be used int dtrm 3 dtrm O 1 Use the default EOI choice dtzm l 1 Use the default first termin...

Страница 555: ...KCONFIG Andyselect no terminator overrldes in term_list 6 If a listener does not accept a character a timeout will occur unless the timeout has been disabled Example Message To Display On Digital Scop...

Страница 556: ...of the device to become the new Active Controller mygads is a pointer to an array of n n can range from 1 to 15 structures of type gads You must tailor mygads to your application mygads structure is d...

Страница 557: ...devioe 02 int ErrorFlag 0 struct gads add 02 2 1st instrument has BIB primary address 02 and no seaondary address add O2 0 primad 2 _02 0 secad 1 add_02 1 primad 1 no 2nd instrument Pass Control to a...

Страница 558: ...o grammed Returns err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The erro...

Страница 559: ...the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed mygads n contains the GPIB bus address of the deviceces to be confi gured mygads is a...

Страница 560: ...bus device s ist individual status bit Refer to the Device s documentation for more information PRPI m is a 3 bit value which tells the device being configured which data bit CD101 through DIO8 it sho...

Страница 561: ...t mmenab integer for parallel poll enabling Set up 1st instrument with primary address 1 hex l no secondary address add l O primad Oxl add l O secad 1 add l l primad 1 no 2nd instrument Configure Inst...

Страница 562: ...and represents the board to be pro grammed mygads n contains the GPIB bus address of the device es to be dls abled mygads is a pointer to an array of n n can range from 1 to 15 struc tures of type gad...

Страница 563: ...ill have one device 1 int ErrcrPlag atruot gad8 add 1 15 Sat up 1st instrument with GPIB primary address 1 BEX 1 and no secondary address add l O primad Oxl add l O mcad 1 add l l primad 1 no 2nd inst...

Страница 564: ...the board identification number This is an integer in the range 0 to 3 and represents the board to be pro grammed err code is a variable through which error codes are returned If this vari ables set t...

Страница 565: ...SRQ Address Status Change If this bit is set to 1 a change in address status has occurred i e a Talker becomes a Listener or a Peripheral becomes an Active Controller Controller in Charge If this bit...

Страница 566: ...output data to the GPIB DNA DMA A DMA transfer is currently in progress err code is a variable through which error codes are returned If this vari le is set to 0 then no error occurred If it is set to...

Страница 567: ...nteger in the range 0 to 3 and represents the board to be pro grammed mygads n contains the GPIB bus address of the devicefes to be put in the remote mode mygads is a pointer to an array of n n can ra...

Страница 568: ...ess then those devices will also be addressed to listen so they will be put in remote 2 It is good programming practice to issue a Local Lockout to prevent the device s from being returned to Local mo...

Страница 569: ...t Bit 7 6 5 4 3 2 1 0 DIOB rsv Dl06 Dl05 D104 Dl03 Dl02 DlOl Where DlO1 S Bits 1 through 8 of this device s Serial Poll Response Byte correspond to data lines DIOl DI08X ISV If this bit is 1 the KM 48...

Страница 570: ...xample int Errorrlag 0 pend 0 Generate SEaQand Wait for Controller to Respond krequeat O CErrorPlag 64 printf wWait For Controller To Read SRQ n n do 1 kspoll 0 CErrorFlag no add Spend if Errorrlagg a...

Страница 571: ...to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Programming 1 The KM 488 DD is reset to the following conditions Notes...

Страница 572: ...in the range 0 to 3 and represents the board to be pro grammed err code is a variable through which error codes are returned If this vari able set to 0 then no error occurred If it is set to a value o...

Страница 573: ...on with the ATN line asserted This indicates to the bus devices that the characters are to be interpreted as GPIB bus commands The command may be sent as either a quoted string e g COMEbAND 1or as a n...

Страница 574: ...he device s to talk This integer ranges from 00 to 30 decimal Multiple listeners can be specified If addr is not specified all other devices on the GPIB BUS will be designated listeners DATA Sends inf...

Страница 575: ...did occur The error codes are listed in Appendix G Programming 1 Notes 2 3 4 5 6 Typically KSEND is used to send commands to initiate communication directly between peripheral devices For example the...

Страница 576: ...xample int ErrorP18g String To Listen Peripheral Devioe 02 And Talk Peripheral Device 12 chu talk_listen UNT UNL LISTEN 02 TALK 12 ksend 0 CErtorFlag talk listen strlen talk listen if ErrorRlag err_ha...

Страница 577: ...s the GPIB bus address of the device es to be dis abled mygads is a pointer to an array of n n can range from 1 to 15 struc tures of type gads You must tailor mygads to your application mygads structu...

Страница 578: ...unassert SRQ The string returned by KSTATUS or the integer status word set by KQUIKSTAT can be checked to determine the presence of an SRQ before a serial poll is conducted If only one device is asser...

Страница 579: ...KQUIKSTAT call 3 If the KM 488 DD is the Active Controller and issues KSPOLL with mygads equal to no addr spr will be 64 if a device is asserting SRQ and 0 if not This same result could have been dete...

Страница 580: ...ents the board to be pro grammed err code is a variable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did...

Страница 581: ...never a STATUS ts read This can be one of the following GO There has not been a change in the addressed status Gl There has bean a change in the addressed status 3 1 Current Indicates if the KM Xl DD...

Страница 582: ...been received Tl A trigger command has been received w Indicates tf the IEEE Clear command has been received or not This is not updated during DMA CONTINUE transfers Cleared values are CO 1 f No Clear...

Страница 583: ...andler int err num I For Status String Returned By STATUS Conmand I ohar at 75 integer to hold Errol coda returned by each CALL 0 false no error int ErrorFlag printf nError d Consult List In KbMSSDD E...

Страница 584: ...ariable through which error codes are returned If this vari ables set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G...

Страница 585: ...board to be pro grammed term list is an integer array which defines the GPIB bus terminators See Chapter 6 for more information regarding the use of GPIB bus terminators terralist 41 is defined in th...

Страница 586: ...Possible values are l OxFFFF Don t use second GPIB bus termina tor 0 to 255 Use this ASCII character as the sec ond GPIB bus terminator instead of the default second GPIB Terminator The 0 255 decimal...

Страница 587: ...o EOI Without Termination Chataotets trrc lst Ol O change input and output termi natora trm lat l l 1 indioates assert EOI tnr_lst 21 1 1 indioates no 1st terminator tnn at 31 1 1 indicates no 2nd ter...

Страница 588: ...urned If this vari able set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G 1 To suppress Timeout checking set tval to...

Страница 589: ...mygads n contains the GPIB bus address of the devicefes to be trig gered mygads is a pointer to an array of n n can range from 1 to 15 struc tures of type gads You must tailor mygads to your applicati...

Страница 590: ...ress Group will have one devise 12 atruct gads add_l2 15 Address Structure For Meter With GPIB Address 12 adt l2 O primad 12 add_12 0 secad 1 add 12 1 primad 1 no 2nd instrument Trigger DMbl To Perfor...

Страница 591: ...e through which error codes are returned If this vari able5 set to 0 then no error occurred If it is set to a value other than 0 then an error did occur The error codes are listed in Appendix G Progra...

Страница 592: ...Using the Call Interface in C KM 488 DD Programming Guide This page intentionally left blank 11 72...

Страница 593: ...ginal pur chaser Any product that is found to be defective within the warranty period will at the option of Keithley MetraByte be repaired or replaced This warranty does not apply to products damaged...

Страница 594: ...l need your invoice num ber and the date the board was purchased Please reference the RMA number on any corre spondence regarding the board When returning the Board for repair please include the follo...

Страница 595: ...4 NAK Not Acknowledge SYN Synchronous Idle ETB End of Trans Blank CAN Cancel EM End of Medium SUB Substitute ESC Escape ES File Separator GS Group Separator RS Record Separator US Unit Separator SP Sp...

Страница 596: ...60 61 62 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 a KM 488 DD Programming Guide ASCII CHARACTER i e f i ii 1 m n 0 P 9 r S t U V W X Y I LeftZ...

Страница 597: ...he same time our expectations on collecting saving and manipulating the results of measurements has escalated from writing down meter readings and hand calculations to automated storage of and complic...

Страница 598: ...om the Institute for Electrical and Electronic Engineers B 1 TOPOLOGY An IEEE 488 system allows different manufacturers devices to be connected Systems can be connected following a star or linear type...

Страница 599: ...ces can also be a talker or controller however only one of these functions can be performed at a time Talkers A Talker is any device which can transmit data over the bus when properly addressed Only o...

Страница 600: ...The System Controller has the unique ability to retrieve active control of the bus or to enable devices to be remotely programmed It takes control of the bus by issuing an IFC Interface Clear message...

Страница 601: ...ependent Commands They are discussed extensively in section 8 4 Control Lines The control Lines perform a variety of control request and coordinating functions which assure the orderly flow of informa...

Страница 602: ...REN Remote Enable If this tine Is asscrted bus devices can bc programmed via IEEE bus commands issued from an active talker IIis line can only be asserted by the System Control ler SRQ Service Request...

Страница 603: ...e Appendix B IEEE 488Tutorial Section 8 4 describes the use of the handshaking lines Figures B 3 and B 4 illustrate the Handshaking Sequence NDACACCEPTOR i i I III I I 1to 11 12 Figure B 3 I II I 0 14...

Страница 604: ...Appendix B IEEE 488Tutorial KM 488 DD Programming Guide Figure B 4 Transmission ofData from Talker to Listener B 8...

Страница 605: ...AC lines and controlling the DIO lines and DAV as described above In terms of the codes of Appendix D they must have SHl capability Devices listed as SHOcannot act as sources Likewise all devices whic...

Страница 606: ...this section System Initialization When a typical IEEE 488 system is initialized there will be one device which will be the Sys tem Controller The SystemController will usually assert the Interface Cl...

Страница 607: ...te complete capability Addressing u Device Devices are addressed by the Active Controller issuing multiline interface messages from either the talk address group TAG or listen address group LAG as des...

Страница 608: ...Receiving Data Device Commands Data Device Commands is a message which is sent over the bus with ATN unasserted For example a multimeter might send the results of several readings to a printer or disp...

Страница 609: ...Usually devices provide some flexibility in the terminators they support By means of switches or programming one can choose whether or not termination will be used and if so whether termination charac...

Страница 610: ...d in order to determine the status information If a device has asserted SRQ it must be polled before it will release SRQ At the end of a serial poll the controller will issue the serial poll disable S...

Страница 611: ...in controller C codes support parallel poll B 5 BUSINTERfACE COMMANDS Bus commands are issued by the Active Controller There are five types of bus commands Universal Listen Address Group LAG Talk Addr...

Страница 612: ...specified device to be an active taker Only one device can be an active talker at a time The message contains the primary address 0 to 30 of the device which is to talk This address consists of a pri...

Страница 613: ...ands These commands are issued by the Active Controller and affect only those devices which have been properly addressed Not all devices support these commands In order to issue an Addressed Command t...

Страница 614: ...to pass control to another controller on the system The second controller then becomes the controller Secondary Commands Secondary commands are sent immediately following a PI C Parallel Poll Configur...

Страница 615: ...a parallel poll is conducted Setting the 4th lowest bit of the PPE command tells the device to assert its assigned line when service is required while setting the 4th lowest bit low will cause the de...

Страница 616: ...488Tutorial KM 48 l DD Programming Guide Standard Commands for Programmable instruments Manual This document is available from SCPI Consortium 8380 Hercules Drive Suite I 3 La Mesa California 92042 61...

Страница 617: ...KM 488 DD Programming Guide Appendix C IEEEMultiline Commands IEEEMULTILINECOMMANDS CG CG LAG t C l...

Страница 618: ......

Страница 619: ...iption OtherFunction Subsets Reouired SHO NOW3 SH1 Tl TB TEl TEB orC5 C26 TFunction Allowable W ldentilication Description TO T Basic P Talk Talker Only Mode N N N Y Unaddress il MLA OtherFunction Sub...

Страница 620: ...H1 N N SHi andAH1 Y Y SHl andLl L4 orLEl LE4 N Y SHl andLl L4 orLEl LE4 Y Y SHl andLl L4 orLEl LE4 N Y SHl andLl L4orLEl LE4 RL Fmcfion Al avable Subsets OtherFunction Subsets Required NOIM Ll L4 orLE...

Страница 621: ...Y N N AH1 Y Y Y AH1andTl T6 orTEl TEB Y N Y AH1andTl T6 orTEl TEE L Function wfihAddress Extension Allowable Subsets ldentilication Description OtherFunction SubsetsRequired Basic Listen Unaddress Lis...

Страница 622: ......

Страница 623: ...second LI TZ etc A logical deviceis a device which is currently configured to receive the data to be printed Logical devices are represented using a colon for example Lml This would indicate the devi...

Страница 624: ...ample you might specify the device IEEE2022 LPTn identifies a physical printer port where n is the printer port number i e LPTl A Hioaddr is a requried parameter which follows the nl parameter It spec...

Страница 625: ...les These examples assume that your PC has two functioning LPT ports KMLPT IEEE05 A H2El KMLPT LPTl IEEE05 A H2El KMLPT IEEE05 IEEE1201 A H2El Configures LPTI for output to IEEE device 05 on an interf...

Страница 626: ...r until subsequent drivers are unloaded The IFC message is sent when the driver loads SERIALPORTRE DIRECTION Serial Port re direction is accomplished in the same manner as Parallel Port re direction T...

Страница 627: ...is is a primary address with a secondary address ss if needed For example you might specify the device IEEE2022 COM port devices are denoted as COMn where COMn identifies a physical printer port where...

Страница 628: ...lotter If for example a file such as corn1 dat is specified the pro gram will act as if it were writing the data to a genuine file However the output will really be sent to the IEEE bus device to whic...

Страница 629: ...E05 COM2 IEEE1201 COM3 COMl COM4 COM2 Resulting GPIB Bus Activity When the KMCOM changes from one GPIB bus address to another the GPIB activity will occur as follows On a Wrik REN is asserted followed...

Страница 630: ...when the driver loads APPLICATION NOTES You may encounter several problems which attempting to send plotter files to your GPIB plotter For example Direct 0 toutto I O ports can be a problem because m...

Страница 631: ...n the program searching the DOS device driver list and finding a matching device name If this happens the application may refuse to create a file with the same name as a device If all else fails creat...

Страница 632: ...Appendix E Printer and Serial Port Re Direction KM 48 l DD Programming Guide This page intentionally left blank E 10...

Страница 633: ...T File The CONFIG DATfile is generated by the SETUP or CONFIG programs It must be piped into the KM 488 DD driver file when the driver is loaded This process is explained further in Chapter 2 To pipe...

Страница 634: ...Appendix F The CONFIG DAT FILE KM 488 DD Programming Guide F 2...

Страница 635: ...KM 488 DD Programmlng Guide Appendix F The CONFIG DAT File F 3...

Страница 636: ...yd l Spdfy FEZ COKHNNT l COmNT t t tttt t t t t ttt t tt tt t CONNEAT CONFIG c Am 1 ID1 COhxENT CO NT t t t t t t t ttt t t CONnNNT l COmmNT h DNA Ia d CONmNT f CONmNP PURPOSE speoi y The DMA La d Use...

Страница 637: ...MNNI IN oll o12 Ch r ot r oll d 12 tog her ma EOL l CONKENT CONNZNT her oll nd 12 r on of th fcll ing CONNNNTl CONMENT nnn LS LSCTl Ch r at e n 0 n 25 5 COWtENT l X Pri t l ASCII ch Z 0t r x CONNNNP l...

Страница 638: ...k 1 XXXI Ch z Ot Z x CONMENT l CR carri g Faturn 13 oeoim1 COMXNNT LF I F d 10 D dtn 1 COMXENT COblkENT SPECIAL v ing IT 1n t s d Of IT 8 b Input txm Only CONDNT l o ing fro 1 t Of IT at Output tnn o...

Страница 639: ...v a i n clo i ti g of UP to ight h r ot r CONXNNT l m iir t ai2 r ot r m t not im 1 digit t CO NT CONMNNT l ddr th d via CPIB ddr in th form xxyy CONt XNT l h e CONMNNT COMMNNT x i in the rrng 00 30...

Страница 640: ......

Страница 641: ...ses a 64 KBYTE page boundary TIME OUT ERROR ON DATA READ Expected bus data was not received within the TIME OUT INVALID CHANNEL FORDMA DMA transfer requested but the KM 488 DD was not configured TIME...

Страница 642: ...DD without reading back a response to the previous command Internal System Error Report to Factory SeeSection 12 2 Internal System Error Report to FactorySee Section 12 2 Internal System Error Report...

Страница 643: ...T BE 0 THROUGH 15 The response parameter has a NOT A PERIPHERAL The KM 488 DD must be a factory SeeSection 12 2 SYSTEM ERROR INVALID TIMER SYSTEM ERROR TIMER INTS ALREADY OFF ADDRESS REQU1PJ D Interna...

Страница 644: ...which cannot be INVALID PRIMARY ADDRESS INVALID SECONDARY ADDRESS GPIB primary bus addresses must be in the range of 0 to 30 GPIB secondary bus addresses must be in the range of 0 to 31 NOT ADDRESSED...

Страница 645: ...m OR LISTEN mand is a SEND command speci fied the controller s own address Use MTA or MLA instead TIMEOUT ON COMblAND A Time out error occurred dur ing a SEND CMD SPECIFIED BOARD BAS NOT BEEN INITIALI...

Страница 646: ......

Страница 647: ...ssage display kfill board nr err code fill sw Defines response If no data is available khellotbaard nr err code id response ReadsKhUS8 DD identification string klocal hoard nr en code mygads klol baar...

Страница 648: ...en Sends low level bus commands and data kapollfboard nr en code spr mygads ketatusfboardnr en code stat katopfboard nr en code ktcrmfboudnr err code tmt list ktofbwardnr em code hvd ktriggerfboard nr...

Страница 649: ...ated device s Resetsthe KM 4tWDD to its defaults Disables a lightpen interrupt condition s Define DMA transfer mode Read data from a bus device Readsdata from a bus device into a buffer Sets the langu...

Страница 650: ...I DESCRlPTlON Readsresponse s to serial poll Returns K 4 DD status string STOP TBRM dir fcml term2 EOI TIME OUT ITUGGER add ddr WAIT Stops DMA transfers Sets the GPIB bus terminators sets timeout ela...

Страница 651: ...KM 48t3 DD Programming Guide GPIB System Configuration Worksheet GPIB SYSTEMCONFIGURATION WORKSHEET KM 488 DDs TERMINATOR DEFAULTS 1 1 i...

Страница 652: ...GPIB System Configuration Worksheet KM 488 DD Programming Guide DEVICES...

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