Quadrotor

// VISA specification version 4.0 class definitions for LabVIEW 7.x

// The field between readonly/readwrite and the attribute ID is a bitmask with these flags:

//     1L<<2    enum should include "Other..."

//     1L<<31   property has local scope

class: "VISA object"

flags: 3

sorted: no

  // STOP ATTRIBUTE LIST

  method: "VISA Close" noInvoke

// STOP CLASS

// First come all the I/O classes

class: "I/O Session"

super: "VISA object"

flags: 2

sorted: no

  attribute: "Queue Len"

    "General Settings:Maximum Queue Length"

    uL readwrite 80000000 3FFF0005

    // const: VI_ATTR_MAX_QUEUE_LENGTH

    "Specifies the maximum number of events that can be queued at any time on the given session. This property is read/write until the first time you call VISA Enable Event on a session. Thereafter, it is read only. The default is 50."

  // STOP ATTRIBUTE

  attribute: "Rsrc Lock State"

    "General Settings:Resource Lock State"

    uL enum {Unlocked=0, Exclusive=1, Shared=2} readonly 00000000 3FFF0004

    // const: VI_ATTR_RSRC_LOCK_STATE

    "Returns the current locking state of the resource associated with the given session. The resource can be unlocked, locked with an exclusive lock, or locked with a shared lock. The default is Unlocked."

  // STOP ATTRIBUTE

  attribute: "Rsrc Name"

    "General Settings:Resource Name"

    string readonly 00000000 BFFF0002

    // const: VI_ATTR_RSRC_NAME

    "Returns the unique identifier for a resource."

  // STOP ATTRIBUTE

  attribute: "Rsrc Class"

    "General Settings:Resource Class"

    string readonly 00000000 BFFF0001

    // const: VI_ATTR_RSRC_CLASS

    "Returns the resource class of the resource string used to open the given session.  For example, if the resource string for a given session is COM1 or ASRL1::INSTR, this property returns INSTR, regardless of the class of the I/O control."

  // STOP ATTRIBUTE

  attribute: "Timeout"

    "General Settings:Timeout Value"

    uL readwrite 80000000 3FFF001A

    // const: VI_ATTR_TMO_VALUE

    "Specifies the minimum timeout value, in milliseconds, to use when accessing the device. Note that the actual timeout that VISA returns may be higher than the one requested. The default is 2000."

  // STOP ATTRIBUTE

  attribute: "User Data"

    "General Settings:User Data"

    uL readwrite 80000000 3FFF0007

    // const: VI_ATTR_USER_DATA

    "Specifies a data value for the private use of an application. The VISA implementation stores this value in a per-session location, so that user data on other sessions does not affect the user data on this session. VISA does not use this property for any purpose."

  // STOP ATTRIBUTE

  attribute: "Intf Num"

    "Interface Information:Interface Number"

    uW readonly 00000000 3FFF0176

    // const: VI_ATTR_INTF_NUM

    "Returns the board number for the given interface."

  // STOP ATTRIBUTE

  attribute: "Intf Type"

    "Interface Information:Interface Type"

    uW enum {GPIB=1, VXI=2, GPIB-VXI=3, Serial=4, PXI=5, TCPIP=6, USB=7, FireWire=9} readonly 00000000 3FFF0171

    // const: VI_ATTR_INTF_TYPE

    "Specifies the interface type of the given session."

  // STOP ATTRIBUTE

  attribute: "Intf Inst Name"

    "Interface Information:Interface Description"

    string readonly 00000000 BFFF00E9

    // const: VI_ATTR_INTF_INST_NAME

    "Specifies human-readable text that describes the given interface.

<B>Note:</B> Use the value of this property for display purposes only and not for programmatic decisions. The value can change between VISA implementations and/or revisions."

  // STOP ATTRIBUTE

  attribute: "Impl Version"

    "Version Information:Version of Implementation"

    uL readonly 00000000 3FFF0003

    // const: VI_ATTR_RSRC_IMPL_VERSION

    "Returns the version of a given implementation. This value is defined by the individual manufacturer and increments with each new revision. The format of the value has the upper 12 bits as the major number of the version, the next lower 12 bits as the minor number of the version, and the lowest 8 bits as the sub-minor number of the version."

  // STOP ATTRIBUTE

  attribute: "Spec Version"

    "Version Information:Version of Specification"

    uL readonly 00000000 3FFF0170

    // const: VI_ATTR_RSRC_SPEC_VERSION

    "Returns the value that uniquely identifies the version of the VISA specification to which the implementation complies. The format of the value has the upper 12 bits as the major number of the version, the next lower 12 bits as the minor number of the version, and the lowest 8 bits as the sub-minor number of the version."

  // STOP ATTRIBUTE

  attribute: "Rsrc Manf Id"

    "Version Information:Resource Manufacturer Identification"

    uW readonly 00000000 3FFF0175

    // const: VI_ATTR_RSRC_MANF_ID

    "Returns a value that corresponds to the VXI manufacturer ID of the manufacturer that created the VISA implementation."

  // STOP ATTRIBUTE

  attribute: "Rsrc Manf Name"

    "Version Information:Resource Manufacturer Name"

    string readonly 00000000 BFFF0174

    // const: VI_ATTR_RSRC_MANF_NAME

    "Returns the name of the manufacturer that created the implementation. This is not related to the device manufacturer attributes.

<B>Note:</B> Use the value of this property for display purposes only and not for programmatic decisions. The value can change between VISA implementations and/or revisions."

  // STOP ATTRIBUTE

  // STOP ATTRIBUTE LIST

  method: "VISA Status Description" noInvoke

  method: "VISA Open" noInvoke

  method: "VISA Lock" noInvoke

  method: "VISA Unlock" noInvoke

  method: "VISA Enable Event" noInvoke

  method: "VISA Disable Event" noInvoke

  method: "VISA Wait on Event" noInvoke

  method: "VISA Discard Events" noInvoke

// STOP CLASS

// There is INSTR and its many derivations (GPIB, VXI, Serial, PXI, TCPIP)

class: "Instr"

super: "I/O Session"

sorted: no

classString: "?*::(INSTR|SOCKET)"

  attribute: "Manf Name"

    "General Settings:Manufacturer Name"

    string readonly 00000000 BFFF0072

    // const: VI_ATTR_MANF_NAME

    "Returns the name of the manufacturer that created the device.

<B>Note:</B> Use the value of this property for display purposes only and not for programmatic decisions. The value can change between VISA implementations and/or revisions.

<B>Note:</B> In the Instr class, this property is valid only for GPIB-VXI, VXI, PXI/PCI, FireWire, and USB resources."

  // STOP ATTRIBUTE

  attribute: "Model Name"

    "General Settings:Model Name"

    string readonly 00000000 BFFF0077

    // const: VI_ATTR_MODEL_NAME

    "Returns the model name of the device. 

<B>Note:</B> Use the value of this property for display purposes only and not for programmatic decisions. The value can change between VISA implementations and/or revisions.

<B>Note:</B> In the Instr class, this property is valid only for GPIB-VXI, VXI, PXI/PCI, FireWire, and USB resources."

  // STOP ATTRIBUTE

  attribute: "Manf Id"

    "General Settings:Manufacturer Identification"

    uW readonly 00000000 3FFF00D9

    // const: VI_ATTR_MANF_ID

    "Returns the ID of the manufacturer that created the device. For VXI resources, this refers to the VXI Manufacturer ID. For PXI resources, if the subsystem PCI Vendor ID is nonzero, this refers to the subsystem Vendor ID. Otherwise, this refers to the Vendor ID. For USB resources, this refers to the Vendor ID (VID).

<B>Note:</B> In the Instr class, this property is valid only for GPIB-VXI, VXI, PXI/PCI, and USB resources."

  // STOP ATTRIBUTE

  attribute: "Model Code"

    "General Settings:Model Code"

    uW readonly 00000000 3FFF00DF

    // const: VI_ATTR_MODEL_CODE

    "Returns the device model code assigned by the manufacturer. For VXI resources, this refers to the VXI Model Code. For PXI resources, if the subsystem PCI Vendor ID is nonzero, this refers to the subsystem Device ID. Otherwise, this refers to the Device ID. For USB resources, this refers to the Product ID (PID).

<B>Note:</B> In the Instr class, this property is valid only for GPIB-VXI, VXI, PXI/PCI, and USB resources."

  // STOP ATTRIBUTE

  attribute: "Slot"

    "General Settings:Slot"

    iW readonly 00000000 3FFF00E8

    // const: VI_ATTR_SLOT

    "Returns the physical slot location of the device. If the slot is unknown, the value returned is -1.

<B>Note:</B> In the Instr class, this property is valid only for GPIB-VXI, VXI, and PXI/PCI resources."

  // STOP ATTRIBUTE

  attribute: "Trigger Id"

    "General Settings:Trigger Identifier"

    iW enum {Software=-1, TTL0=0, TTL1=1, TTL2=2, TTL3=3, TTL4=4, TTL5=5, TTL6=6, TTL7=7, ECL0=8, ECL1=9} readwrite 80000000 3FFF0177

    // const: VI_ATTR_TRIG_ID

    "Specifies which trigger mechanism to use. In VXI systems, for example, you can choose between software triggers and hardware triggers on a specific trigger line. The default is Software.

<B>Note:</B> In the Instr class, this property is valid only for GPIB-VXI, VXI, and PXI resources."

  // STOP ATTRIBUTE

  attribute: "Allow DMA"

    "General Settings:Allow DMA Transfers"

    bool readwrite 80000000 3FFF001E

    // const: VI_ATTR_DMA_ALLOW_EN

    "Specifies whether I/O accesses should attempt to use DMA (TRUE) or Programmed I/O (FALSE). In some implementations, this property may have global effects even though it is documented as a local property. This behavior affects performance and not functionality.

<B>Note:</B> In the Instr class, this property is valid only for GPIB, GPIB-VXI, and VXI resources."

  // STOP ATTRIBUTE

  attribute: "TermChar"

    "Message Based Settings:Termination Character"

    uB readwrite 80000000 3FFF0018

    // const: VI_ATTR_TERMCHAR

    "Specifies a character that, when read, causes a read operation to terminate. The termination character also must be enabled. This default is 0x0A (linefeed)."

  // STOP ATTRIBUTE

  attribute: "TermChar En"

    "Message Based Settings:Termination Character Enable"

    bool readwrite 80000000 3FFF0038

    // const: VI_ATTR_TERMCHAR_EN

    "Specifies whether a read operation terminates when it receives the termination character. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "Send End En"

    "Message Based Settings:Send End Enable"

    bool readwrite 80000000 3FFF0016

    // const: VI_ATTR_SEND_END_EN

    "Specifies whether to send an END indicator on the last byte of each write operation. This property is relevant only in VISA Write and related operations. The default is TRUE.

On Serial Instr sessions, if this property is set to FALSE, the write transmits the exact contents of the user buffer, without modifying it and without appending anything to the data. If this property is set to TRUE, VISA performs the behavior described in the property End Mode for Writes (ASRL End Out).

On GPIB, VXI, GPIB-VXI, TCP/IP Instr, and USB Instr sessions, if this property is set to TRUE, VISA includes the 488.2 defined end of message terminator."

  // STOP ATTRIBUTE

  attribute: "Suppress End En"

    "Message Based Settings:Suppress End Enable"

    bool readwrite 80000000 3FFF0036

    // const: VI_ATTR_SUPPRESS_END_EN

    "Specifies whether to terminate a read operation due to an END condition. This property is relevant only in VISA Read and related operations.

For all session types that support this property, if this property is set to TRUE, read does not terminate due to an END condition. However, a read may still terminate successfully if the Message Based Settings:Termination Character Enable (TermChar En) property is set to TRUE. Otherwise, read does not terminate until it receives all of the requested data (or an error occurs). The default is FALSE (except for TCP/IP Socket sessions).

On Serial Instr sessions, if this property is set to FALSE, VISA performs the behavior described in the Serial Settings:End Mode for Reads (ASRL End In) property.

On USB Raw sessions, if this property is set to FALSE, VISA performs the behavior described in the USB Settings:End Mode for Reads (USB End In) property.

On TCP/IP Socket sessions, if this property is set to FALSE, if NI-VISA reads some data and then detects a pause in the arrival of data packets, it terminates the read operation. On TCP/IP Socket sessions, the default value for the property is TRUE in NI-VISA.

On VXI Instr sessions, if this property is set to FALSE, the END bit terminates read operations."

  // STOP ATTRIBUTE

  attribute: "File Append En"

    "Message Based Settings:File Append Enable"

    bool readwrite 80000000 3FFF0192

    // const: VI_ATTR_FILE_APPEND_EN

    "Specifies whether VISA Read To File appends or overwrites (truncates) when opening a file. If this property is set to TRUE, VISA Read To File appends when opening a file. If this property is set to FALSE, VISA Read To File?overwrites (truncates) when opening a file. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "Is 488.2"

    "Message Based Settings:Is 488.2 Compliant"

    bool readonly 00000000 3FFF019F

    // const: VI_ATTR_4882_COMPLIANT

    "Returns whether the device is 488.2 compliant."

  // STOP ATTRIBUTE

  attribute: "IO Prot"

    "Message Based Settings:IO Protocol"

    uW enum {Normal=1, VXI/FDC=2, GPIB/HS488=3, "Serial-TCPIP-USB/488 Strings"=4, "USBTMC/Vendor-Specific"=5} readwrite 80000004 3FFF001C

    // const: VI_ATTR_IO_PROT

    "Specifies which protocol to use. In VXI, you can choose normal word serial or fast data channel. In GPIB, you can choose normal or high-speed HS-488 transfers. In serial, TCP/IP, or USB, you can choose normal transfers or 488.2-defined strings. In USBTMC, you can choose normal or vendor-specific transfers. The default is Normal."

  // STOP ATTRIBUTE

  attribute: "Win Base Addr"

    "Register Based Settings:Window Base Address"

    uL readonly 80000000 3FFF0098

    // const: VI_ATTR_WIN_BASE_ADDR

    "Returns the base interface address to which this window maps. If the Window Access property is Not Mapped, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "Win Size"

    "Register Based Settings:Window Size"

    uL readonly 80000000 3FFF009A

    // const: VI_ATTR_WIN_SIZE

    "Returns the size of the region mapped to this window. If the Window Access property is Not Mapped, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "Win Access"

    "Register Based Settings:Window Access"

    uW enum {"Not Mapped"=1, "Use Peek/Poke Operations"=2, "Can Dereference Pointer"=3, "Pointer value is byte-swapped"=4} readonly 80000000 3FFF00C3

    // const: VI_ATTR_WIN_ACCESS

    "Returns whether the current session has a mapped window, and if so, whether the window allows direct pointer dereferences."

  // STOP ATTRIBUTE

  attribute: "Src Increment"

    "Register Based Settings:Source Increment Count"

    iL readwrite 80000000 3FFF0040

    // const: VI_ATTR_SRC_INCREMENT

    "Specifies the number of elements by which to increment the source address on block move operations. Valid values include 0 and 1. The default is 1. If this property is set to 0, VISA Move In X operations always read from the same element, essentially treating the source as a FIFO register."

  // STOP ATTRIBUTE

  attribute: "Dest Increment"

    "Register Based Settings:Destination Increment Count"

    iL readwrite 80000000 3FFF0041

    // const: VI_ATTR_DEST_INCREMENT

    "Specifies the number of elements by which to increment the destination address on block move operations. Valid values include 0 and 1. The default is 1. If this property is set to 0, VISA Move Out X operations always read from the same element, essentially treating the destination as a FIFO register."

  // STOP ATTRIBUTE

  attribute: "Primary Addr"

    "GPIB Settings:Primary Address"

    uW readonly 00000000 3FFF0172

    // const: VI_ATTR_GPIB_PRIMARY_ADDR

    "Returns the primary address of the GPIB device used by the given session."

  // STOP ATTRIBUTE

  attribute: "Secondary Addr"

    "GPIB Settings:Secondary Address"

    uW readonly 00000000 3FFF0173

    // const: VI_ATTR_GPIB_SECONDARY_ADDR

    "Returns the secondary address of the GPIB device used by the given session. If the device does not have a secondary address, the value of this property is 65535 (0xFFFF)."

  // STOP ATTRIBUTE

  attribute: "Readdress"

    "GPIB Settings:Readdressing"

    bool readwrite 80000000 3FFF001B

    // const: VI_ATTR_GPIB_READDR_EN

    "Specifies whether to use repeat addressing before each read or write operation. The default is TRUE."

  // STOP ATTRIBUTE

  attribute: "Unaddress"

    "GPIB Settings:Unaddressing"

    bool readwrite 80000000 3FFF0184

    // const: VI_ATTR_GPIB_UNADDR_EN

    "Specifies whether to unaddress the device (UNT and UNL) after each read or write operation. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "REN State"

    "GPIB Settings:Line REN State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readonly 00000000 3FFF0181

    // const: VI_ATTR_GPIB_REN_STATE

    "Returns the current state of the GPIB REN (Remote ENable) interface line."

  // STOP ATTRIBUTE

  attribute: "Bytes at Port"

    "Serial Settings:Number of Bytes at Serial Port"

    uL readonly 00000000 3FFF00AC

    // const: VI_ATTR_ASRL_AVAIL_NUM

    "Returns the number of bytes currently available at the serial port used by this session."

  // STOP ATTRIBUTE

  attribute: "Baud"

    "Serial Settings:Baud Rate"

    uL readwrite 00000000 3FFF0021

    // const: VI_ATTR_ASRL_BAUD

    "Specifies the baud rate of the given communications port. The rate is represented as an unsigned 32-bit integer so that any baud rate can be used, but the communications port usually requires a commonly used rate such as 300, 1200, 2400, or 9600 baud."

  // STOP ATTRIBUTE

  attribute: "Data Bits"

    "Serial Settings:Data Bits"

    uW readwrite 00000000 3FFF0022

    // const: VI_ATTR_ASRL_DATA_BITS

    "Specifies the number of data bits contained in each frame. Valid values include 5-8. The data bits for each frame are located in the low-order bits of every byte stored in memory."

  // STOP ATTRIBUTE

  attribute: "Parity"

    "Serial Settings:Parity"

    uW enum {None=0, Odd=1, Even=2, Mark=3, Space=4} readwrite 00000000 3FFF0023

    // const: VI_ATTR_ASRL_PARITY

    "Specifies the parity used with every frame that is transmitted or received. Valid values include: (0) Parity None, (1) Parity Odd, (2) Parity Even, (3) Parity Mark, (4) Parity Space. Mark means that the parity bit exists and is always 1. Space means that the parity bit exists and is always 0."

  // STOP ATTRIBUTE

  attribute: "Stop Bits"

    "Serial Settings:Stop Bits"

    uW enum {1.0=10, 1.5=15, 2.0=20} readwrite 00000000 3FFF0024

    // const: VI_ATTR_ASRL_STOP_BITS

    "Specifies the number of stop bits used to indicate the end of a frame. Valid values include: (10) Stop One, (15) Stop One-and-a-Half, (20) Stop Two."

  // STOP ATTRIBUTE

  attribute: "Flow Cntrl"

    "Serial Settings:Flow Control"

    uW enum {None=0, XON/XOFF=1, RTS/CTS=2, "XON/XOFF & RTS/CTS"=3, DTR/DSR=4, "XON/XOFF & DTR/DSR"=5} readwrite 00000004 3FFF0025

    // const: VI_ATTR_ASRL_FLOW_CNTRL

    "Specifies the flow control method used for both transmitting and receiving data. Valid values include:  (0) Flow None, (1) Flow XON/XOFF, (2) Flow RTS/CTS, (3) Flow XON/XOFF and RTS/CTS, (4) Flow DTR/DSR, (5) Flow XON/XOFF and DTR/DSR. Certain values or combinations of values may not be supported by all serial ports and/or operating systems." "Instr_3FFF0025.html" "..\..\help\lvvisaprop.chm"

  // STOP ATTRIBUTE

  attribute: "ASRL End In"

    "Serial Settings:End Mode for Reads"

    uW enum {None=0, "Last Bit"=1, "TermChar"=2} readwrite 80000000 3FFF00B3

    // const: VI_ATTR_ASRL_END_IN

    "Specifies the method used to terminate read operations. Valid values include: (0) None, (1) Last Bit, (2) TermChar. If the value is (2) TermChar, then the value of the property Termination Character Enable (TermChar En) is ignored. The default is (2) TermChar." "Instr_3FFF00B3.html" "..\..\help\lvvisaprop.chm"

  // STOP ATTRIBUTE

  attribute: "ASRL End Out"

    "Serial Settings:End Mode for Writes"

    uW enum {None=0, "Last Bit"=1, "TermChar"=2, Break=3} readwrite 80000000 3FFF00B4

    // const: VI_ATTR_ASRL_END_OUT

    "Specifies the method used to terminate write operations. Valid values include: (0) None, (1) Last Bit, (2) TermChar, (3) Break. The default is (0) None." "Instr_3FFF00B4.html" "..\..\help\lvvisaprop.chm"

  // STOP ATTRIBUTE

  attribute: "XON Char"

    "Serial Settings:Flow Control XON Character"

    uB readwrite 00000000 3FFF00C1

    // const: VI_ATTR_ASRL_XON_CHAR

    "Specifies the value of the XON character used for XON/XOFF flow control (both directions). If XON/XOFF flow control (software handshaking) is not being used, the value of this property is ignored. The default is 0x11 (Control-Q)."

  // STOP ATTRIBUTE

  attribute: "XOFF Char"

    "Serial Settings:Flow Control XOFF Character"

    uB readwrite 00000000 3FFF00C2

    // const: VI_ATTR_ASRL_XOFF_CHAR

    "Specifies the value of the XOFF character used for XON/XOFF flow control (both directions). If XON/XOFF flow control (software handshaking) is not being used, the value of this property is ignored. The default is 0x13 (Control-S)."

  // STOP ATTRIBUTE

  attribute: "Replace Char"

    "Serial Settings:Error Replacement Character"

    uB readwrite 00000000 3FFF00BE

    // const: VI_ATTR_ASRL_REPLACE_CHAR

    "Specifies the character to use to replace incoming characters that arrive with errors (such as a parity error). The default is 0."

  // STOP ATTRIBUTE

  attribute: "Discard NUL"

    "Serial Settings:Discard NUL Characters"

    bool readwrite 00000000 3FFF00B0

    // const: VI_ATTR_ASRL_DISCARD_NULL

    "Specifies whether to discard each data byte whose value is 0. If this property is TRUE, read operations discard NUL characters. If this property is FALSE, read operations treat NUL characters as normal data characters. For binary transfers, set this property to FALSE. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "Break Len"

    "Serial Settings:Break Length"

    iW readwrite 80000000 3FFF01BD

    // const: VI_ATTR_ASRL_BREAK_LEN

    "Specifies the duration (in milliseconds) of the break signal asserted when End Mode for Writes (ASRL End Out) is set to Break (3). Valid values include 1-500. The default is 250. If you want to control the assertion state and length of a break signal manually, use the VISA Serial Break VI instead."

  // STOP ATTRIBUTE

  attribute: "Allow Transmit"

    "Serial Settings:Allow Transmit"

    bool readwrite 00000000 3FFF01BE

    // const: VI_ATTR_ASRL_ALLOW_TRANSMIT

    "Specifies whether to allow transmission. If FALSE, the serial port suspends transmission as if an XOFF character has been received. If TRUE, it resumes transmission as if an XON character has been received. If XON/XOFF flow control (software handshaking) is not being used, FALSE is an invalid value. The default is TRUE."

  // STOP ATTRIBUTE

  attribute: "Wire Mode"

    "Serial Settings:Wire Mode"

    iW enum {Unknown=-1, RS485/Wire4=0, RS485/Wire2-EchoDTR=1, RS485/Wire2-CtrlDTR=2, RS485/Wire2-Auto=3, RS232/DTE=128, RS232/DCE=129, RS232/AUTO=130} readwrite 00000000 3FFF01BF

    // const: VI_ATTR_ASRL_WIRE_MODE

    "Specifies the current wire/transceiver mode. For RS485 hardware, this property is valid only with the RS485 serial driver developed by National Instruments. For RS232 hardware, the values RS232/DCE and RS232/AUTO are valid only with RS232 serial drivers developed by National Instruments and documented to support this feature with the corresponding National Instruments hardware. When this feature is not supported, RS232/DTE is the only valid value."

  // STOP ATTRIBUTE

  attribute: "Break State"

    "Serial Settings:Modem Line Settings:Break State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readwrite 00000000 3FFF01BC

    // const: VI_ATTR_ASRL_BREAK_STATE

    "Sets manual control of the serial port's break state. If asserted, this property suspends character transmission and places the transmission line in a break state until this property is unasserted. If you want VISA to send a break signal after each write operation automatically, use the Break Length (Break Len) and End Mode for Writes (ASRL End Out) properties instead. The default is Unasserted."

  // STOP ATTRIBUTE

  attribute: "CTS State"

    "Serial Settings:Modem Line Settings:Line CTS State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readonly 00000000 3FFF00AE

    // const: VI_ATTR_ASRL_CTS_STATE

    "Returns the current state of the Clear To Send (CTS) input signal."

  // STOP ATTRIBUTE

  attribute: "DCD State"

  "Serial Settings:Modem Line Settings:Line DCD State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readwrite 00000000 3FFF00AF

    // const: VI_ATTR_ASRL_DCD_STATE

    "Specifies the current state of the Data Carrier Detect (DCD) input signal. This is often used by modems to indicate the detection of a carrier (modem) on the phone line. This signal is also known as Receive Line Signal Detect (RLSD). This property is read only except when the Wire Mode property is set to RS232/DCE, or RS232/AUTO with the hardware currently in the DCE state."

  // STOP ATTRIBUTE

  attribute: "DSR State"

    "Serial Settings:Modem Line Settings:Line DSR State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readonly 00000000 3FFF00B1

    // const: VI_ATTR_ASRL_DSR_STATE

    "Returns the current state of the Data Set Ready (DSR) input signal."

  // STOP ATTRIBUTE

  attribute: "DTR State"

    "Serial Settings:Modem Line Settings:Line DTR State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readwrite 00000000 3FFF00B2

    // const: VI_ATTR_ASRL_DTR_STATE

    "Asserts or unasserts the Data Terminal Ready (DTR) output signal manually."

  // STOP ATTRIBUTE

  attribute: "RI State"

    "Serial Settings:Modem Line Settings:Line RI State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readwrite 00000000 3FFF00BF

    // const: VI_ATTR_ASRL_RI_STATE

    "Specifies the current state of the Ring Indicator (RI) input signal. The RI signal is often used by modems to indicate that the telephone line is ringing. This property is read only except when the Wire Mode property is set to RS232/DCE or to RS232/AUTO with the hardware currently in the DCE state."

  // STOP ATTRIBUTE

  attribute: "RTS State"

    "Serial Settings:Modem Line Settings:Line RTS State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readwrite 00000000 3FFF00C0

    // const: VI_ATTR_ASRL_RTS_STATE

    "Asserts or unasserts the Request To Send (RTS) output signal manually. When the flow control is set to hardware handshaking, it is invalid to change this property."

  // STOP ATTRIBUTE

  attribute: "Is Connected"

    "Serial Settings:Is Port Connected"

    bool readonly 00000000 3FFF01BB

    // const: VI_ATTR_ASRL_CONNECTED

    "Returns whether the port is properly connected to another port or device. This property is valid only with serial drivers developed by National Instruments and documented to support this feature with the corresponding National Instruments hardware."

  // STOP ATTRIBUTE

  attribute: "Device Num"

    "PXI/PCI Settings:PCI Device Number"

    uW readonly 00000000 3FFF0201

    // const: VI_ATTR_PXI_DEV_NUM

    "Returns the PCI device number of the PXI/PCI resource."

  // STOP ATTRIBUTE

  attribute: "Function Num"

    "PXI/PCI Settings:PCI Function Number"

    uW readonly 00000000 3FFF0202

    // const: VI_ATTR_PXI_FUNC_NUM

    "Returns the PCI function number of the PXI/PCI resource. For most devices, the PCI function number is 0, but a multifunction device may have a function number up to 7. The meaning of a function number other than 0 is device-specific."

  // STOP ATTRIBUTE

  attribute: "Bus Num"

    "PXI/PCI Settings:PCI Bus Number"

    uW readonly 00000000 3FFF0205

    // const: VI_ATTR_PXI_BUS_NUM

    "Returns the PCI bus number of the PXI/PCI resource."

  // STOP ATTRIBUTE

  attribute: "Chassis Num"

    "PXI/PCI Settings:PXI Chassis Number"

    iW readonly 00000000 3FFF0206

    // const: VI_ATTR_PXI_CHASSIS

    "Returns the PXI chassis number of this device. A value of -1 means the chassis number is unknown. Other valid values are 0 to 255."

  // STOP ATTRIBUTE

  attribute: "Slot Path"

    "PXI/PCI Settings:Slot Path"

    string readonly 00000000 BFFF0207

    // const: VI_ATTR_PXI_SLOTPATH

    "Returns the slot path of this device."

  // STOP ATTRIBUTE

  attribute: "Loc Bus Left"

    "PXI/PCI Settings:Slot Local Bus Left"

    iW readonly 00000000 3FFF0208

    // const: VI_ATTR_PXI_SLOT_LBUS_LEFT

    "Returns the slot number or special feature connected to the local bus left lines of this device."

  // STOP ATTRIBUTE

  attribute: "Loc Bus Right"

    "PXI/PCI Settings:Slot Local Bus Right"

    iW readonly 00000000 3FFF0209

    // const: VI_ATTR_PXI_SLOT_LBUS_RIGHT

    "Returns the slot number or special feature connected to the local bus right lines of this device."

  // STOP ATTRIBUTE

  attribute: "Trig Bus"

    "PXI/PCI Settings:Trigger Bus Number"

    iW readonly 00000000 3FFF020A

    // const: VI_ATTR_PXI_TRIG_BUS

    "Returns the trigger bus number of this device."

  // STOP ATTRIBUTE

  attribute: "Star Trig Bus"

    "PXI/PCI Settings:Star Trigger Bus Number"

    iW readonly 00000000 3FFF020B

    // const: VI_ATTR_PXI_STAR_TRIG_BUS

    "Returns the star trigger bus number of this device."

  // STOP ATTRIBUTE

  attribute: "Star Trig Line"

    "PXI/PCI Settings:Star Trigger Line"

    iW readonly 00000000 3FFF020C

    // const: VI_ATTR_PXI_STAR_TRIG_LINE

    "Returns the PXI_STAR line connected to this device."

  // STOP ATTRIBUTE

  attribute: "Is PCI Express"

    "PXI/PCI Settings:Express Settings:Is PCI Express"

    bool readonly 00000000 3FFF0240

    // const: VI_ATTR_PXI_IS_EXPRESS

    "Returns whether the device is PXI/PCI or PXI/PCI Express."

  // STOP ATTRIBUTE

  attribute: "Max Link Width"

    "PXI/PCI Settings:Express Settings:Maximum Link Width"

    iW readonly 00000000 3FFF0242

    // const: VI_ATTR_PXI_MAX_LWIDTH

    "Returns the maximum PCI Express link width of the device. A value of -1 indicates that the device is not a PXI/PCI Express device. Common values include 1, 2, 4, 8, and 16."

  // STOP ATTRIBUTE

  attribute: "Link Width"

    "PXI/PCI Settings:Express Settings:Actual Link Width"

    iW readonly 00000000 3FFF0243

    // const: VI_ATTR_PXI_ACTUAL_LWIDTH

    "Returns the PCI Express link width negotiated between the PCI Express host controller and the device. A value of -1 indicates that the device is not a PXI/PCI Express device. Common values include 1, 2, 4, 8, and 16."

  // STOP ATTRIBUTE

  attribute: "Slot Link Width"

    "PXI/PCI Settings:Express Settings:Slot Link Width"

    iW readonly 00000000 3FFF0241

    // const: VI_ATTR_PXI_SLOT_LWIDTH

    "Returns the PCI Express link width of the PXI Express peripheral slot in which the device resides. A value of -1 indicates that the device is not a PXI Express device. Common values include 1, 4, and 8."

  // STOP ATTRIBUTE

  attribute: "D-Star Bus"

    "PXI/PCI Settings:Express Settings:D-Star Bus Number"

    iW readonly 00000000 3FFF0244

    // const: VI_ATTR_PXI_DSTAR_BUS

    "Returns the differential star bus number of this device. A value of -1 means that the chassis is unidentified or does not have a timing slot."

  // STOP ATTRIBUTE

  attribute: "D-Star Set"

    "PXI/PCI Settings:Express Settings:D-Star Set"

    iW readonly 00000000 3FFF0245

    // const: VI_ATTR_PXI_DSTAR_SET

    "Returns the set of differential star lines connected to this device. A value of -1 means that the chassis is unidentified or does not have a timing slot."

  // STOP ATTRIBUTE

  attribute: "BAR0 Type"

    "PXI/PCI Settings:PCI Resources:BAR0 Address Type"

    uW enum {None=0, Memory=1, I/O=2} readonly 00000000 3FFF0211

    // const: VI_ATTR_PXI_MEM_TYPE_BAR0

    "Returns what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value is None (0)."

  // STOP ATTRIBUTE

  attribute: "BAR1 Type"

    "PXI/PCI Settings:PCI Resources:BAR1 Address Type"

    uW enum {None=0, Memory=1, I/O=2} readonly 00000000 3FFF0212

    // const: VI_ATTR_PXI_MEM_TYPE_BAR1

    "Returns what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value is None (0)."

  // STOP ATTRIBUTE

  attribute: "BAR2 Type"

    "PXI/PCI Settings:PCI Resources:BAR2 Address Type"

    uW enum {None=0, Memory=1, I/O=2} readonly 00000000 3FFF0213

    // const: VI_ATTR_PXI_MEM_TYPE_BAR2

    "Returns what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value is None (0)."

  // STOP ATTRIBUTE

  attribute: "BAR3 Type"

    "PXI/PCI Settings:PCI Resources:BAR3 Address Type"

    uW enum {None=0, Memory=1, I/O=2} readonly 00000000 3FFF0214

    // const: VI_ATTR_PXI_MEM_TYPE_BAR3

    "Returns what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value is None (0)."

  // STOP ATTRIBUTE

  attribute: "BAR4 Type"

    "PXI/PCI Settings:PCI Resources:BAR4 Address Type"

    uW enum {None=0, Memory=1, I/O=2} readonly 00000000 3FFF0215

    // const: VI_ATTR_PXI_MEM_TYPE_BAR4

    "Returns what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value is None (0)."

  // STOP ATTRIBUTE

  attribute: "BAR5 Type"

    "PXI/PCI Settings:PCI Resources:BAR5 Address Type"

    uW enum {None=0, Memory=1, I/O=2} readonly 00000000 3FFF0216

    // const: VI_ATTR_PXI_MEM_BASE_BAR5

    "Returns what type of address requirements (memory or I/O) the device has for this Base Address Register. If the device does not request addresses in this space, the value is None (0)."

  // STOP ATTRIBUTE

  attribute: "BAR0 Base"

    "PXI/PCI Settings:PCI Resources:BAR0 Address Base"

    uL readonly 00000000 3FFF0221

    // const: VI_ATTR_PXI_MEM_BASE_BAR0

    "Returns the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "BAR1 Base"

    "PXI/PCI Settings:PCI Resources:BAR1 Address Base"

    uL readonly 00000000 3FFF0222

    // const: VI_ATTR_PXI_MEM_BASE_BAR1

    "Returns the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "BAR2 Base"

    "PXI/PCI Settings:PCI Resources:BAR2 Address Base"

    uL readonly 00000000 3FFF0223

    // const: VI_ATTR_PXI_MEM_BASE_BAR2

    "Returns the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "BAR3 Base"

    "PXI/PCI Settings:PCI Resources:BAR3 Address Base"

    uL readonly 00000000 3FFF0224

    // const: VI_ATTR_PXI_MEM_BASE_BAR3

    "Returns the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "BAR4 Base"

    "PXI/PCI Settings:PCI Resources:BAR4 Address Base"

    uL readonly 00000000 3FFF0225

    // const: VI_ATTR_PXI_MEM_BASE_BAR4

    "Returns the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "BAR5 Base"

    "PXI/PCI Settings:PCI Resources:BAR5 Address Base"

    uL readonly 00000000 3FFF0226

    // const: VI_ATTR_PXI_MEM_BASE_BAR5

    "Returns the system-assigned base this device uses in the given space. If the device does not request addresses in this space, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "BAR0 Size"

    "PXI/PCI Settings:PCI Resources:BAR0 Address Size"

    uL readonly 00000000 3FFF0231

    // const: VI_ATTR_PXI_MEM_SIZE_BAR0

    "Returns the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be determined safely, this property returns the value 0xFFFFFFFF."

  // STOP ATTRIBUTE

  attribute: "BAR1 Size"

    "PXI/PCI Settings:PCI Resources:BAR1 Address Size"

    uL readonly 00000000 3FFF0232

    // const: VI_ATTR_PXI_MEM_SIZE_BAR1

    "Returns the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be determined safely, this property returns the value 0xFFFFFFFF."

  // STOP ATTRIBUTE

  attribute: "BAR2 Size"

    "PXI/PCI Settings:PCI Resources:BAR2 Address Size"

    uL readonly 00000000 3FFF0233

    // const: VI_ATTR_PXI_MEM_SIZE_BAR2

    "Returns the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be determined safely, this property returns the value 0xFFFFFFFF."

  // STOP ATTRIBUTE

  attribute: "BAR3 Size"

    "PXI/PCI Settings:PCI Resources:BAR3 Address Size"

    uL readonly 00000000 3FFF0234

    // const: VI_ATTR_PXI_MEM_SIZE_BAR3

    "Returns the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be determined safely, this property returns the value 0xFFFFFFFF."

  // STOP ATTRIBUTE

  attribute: "BAR4 Size"

    "PXI/PCI Settings:PCI Resources:BAR4 Address Size"

    uL readonly 00000000 3FFF0235

    // const: VI_ATTR_PXI_MEM_SIZE_BAR4

    "Specifies the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be determined safely, this property returns the value 0xFFFFFFFF."

  // STOP ATTRIBUTE

  attribute: "BAR5 Size"

    "PXI/PCI Settings:PCI Resources:BAR5 Address Size"

    uL readonly 00000000 3FFF0236

    // const: VI_ATTR_PXI_MEM_SIZE_BAR5

    "Returns the requested address size of this device in the given space. If the device does not request addresses in this space, the value is meaningless. If this value cannot be determined safely, this property returns the value 0xFFFFFFFF."

  // STOP ATTRIBUTE

  attribute: "TCP Addr"

    "TCP/IP Settings:Dot-Notation Address"

    string readonly 00000000 BFFF0195

    // const: VI_ATTR_TCPIP_ADDR

    "Returns the TCPIP address of the device to which the session is connected. This string is formatted in dot notation."

  // STOP ATTRIBUTE

  attribute: "TCP Hostname"

    "TCP/IP Settings:Computer Hostname"

    string readonly 00000000 BFFF0196

    // const: VI_ATTR_TCPIP_HOSTNAME

    "Returns the host name of the device. If no host name is available, this property returns an empty string."

  // STOP ATTRIBUTE

  attribute: "TCP NoDelay"

    "TCP/IP Settings:No Packet Delay"

    bool readwrite 80000000 3FFF019A

    // const: VI_ATTR_TCPIP_NODELAY

    "Specifies whether the Nagle algorithm is enabled. The Nagle algorithm is disabled when this property is TRUE (and vice versa). The Nagle algorithm improves network performance by buffering written data until a full-size packet can be sent. This property is TRUE by default in VISA to verify that writes get flushed immediately."

  // STOP ATTRIBUTE

  attribute: "TCP KeepAlive"

    "TCP/IP Settings:Keep-Alive Packets"

    bool readwrite 80000000 3FFF019B

    // const: VI_ATTR_TCPIP_KEEPALIVE

    "Specifies whether to use keep-alive packets on TCP connections. Setting this property to TRUE requests that a TCP/IP provider enable the use of keep-alive packets on TCP connections. After the system detects a dropped connection, VISA returns a lost connection error code on subsequent I/O calls on the session. The time required for the system to detect the dropped connection depends on the system and is not settable. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "TCP DevName"

    "TCP/IP Settings:LAN Device Name"

    string readonly 00000000 BFFF0199

    // const: VI_ATTR_TCPIP_DEVICE_NAME

    "Returns the LAN device name used by the VXI-11 protocol (for example, inst0) during connection."

  // STOP ATTRIBUTE

  attribute: "USB Serial Num"

    "USB Settings:Serial Number"

    string readonly 00000000 BFFF01A0

    // const: VI_ATTR_USB_SERIAL_NUM

    "Returns the USB serial number of this device."

  // STOP ATTRIBUTE

  attribute: "USB Intfc Num"

    "USB Settings:USB Interface Number"

    iW readonly 00000000 3FFF01A1

    // const: VI_ATTR_USB_INTFC_NUM

    "Returns the USB interface number used by the given session."

  // STOP ATTRIBUTE

  attribute: "USB Prot"

    "USB Settings:USB Protocol"

    iW readonly 00000000 3FFF01A7

    // const: VI_ATTR_USB_PROTOCOL

    "Returns the USB protocol used by the given session."

  // STOP ATTRIBUTE

  attribute: "USB Max Intr Size"

    "USB Settings:Maximum Interrupt Size"

    uW readwrite 80000000 3FFF01AF

    // const: VI_ATTR_USB_MAX_INTR_SIZE

    "Specifies the maximum size of data stored by any given USB interrupt. If a USB interrupt contains more data than this size, the data in excess of this size is lost. This property is read/write when the corresponding session is not enabled to receive USB interrupt events. When the session is enabled to receive USB interrupt events, this property is read only."

  // STOP ATTRIBUTE

  attribute: "FDC Channel"

    "VXI/VME Settings:Fast Data Channel:Channel Number"

    uW readwrite 80000000 3FFF000D

    // const: VI_ATTR_FDC_CHNL

    "Specifies which FDC channel to use to transfer data buffers. Valid values include 0-7."

  // STOP ATTRIBUTE

  attribute: "FDC Mode"

    "VXI/VME Settings:Fast Data Channel:Channel Mode"

    uW enum {Normal=1, Stream=2} readwrite 80000000 3FFF000F

    // const: VI_ATTR_FDC_MODE

    "Specifies whether FDC transfers use normal or streaming mode. The default is Normal."

  // STOP ATTRIBUTE

  attribute: "FDC Use Pair"

    "VXI/VME Settings:Fast Data Channel:Use Channel Pairs"

    bool readwrite 80000000 3FFF0013

    // const: VI_ATTR_FDC_USE_PAIR

    "Specifies whether transfers use a pair of FDC channels. If you do not set this property, transfers use only one FDC channel. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "Mainframe LA"

    "VXI/VME Settings:Mainframe Logical Address"

    iW readonly 00000000 3FFF0070

    // const: VI_ATTR_MAINFRAME_LA

    "Returns the lowest logical address in the mainframe in which the device resides."

  // STOP ATTRIBUTE

  attribute: "Mem Base"

    "VXI/VME Settings:VXI Memory Base Address"

    uL readonly 00000000 3FFF00AD

    // const: VI_ATTR_MEM_BASE

    "Returns the base address of the device in VXI memory space."

  // STOP ATTRIBUTE

  attribute: "Mem Size"

    "VXI/VME Settings:VXI Memory Size"

    uL readonly 00000000 3FFF00DD

    // const: VI_ATTR_MEM_SIZE

    "Returns the size of memory requested by the device in VXI memory space."

  // STOP ATTRIBUTE

  attribute: "Mem Space"

    "VXI/VME Settings:VXI Memory Address Space"

    uW enum {"VXI/VME A16"=1, "VXI/VME A24"=2, "VXI/VME A32"=3, "VXI/VME A64"=4} readonly 00000000 3FFF00DE

    // const: VI_ATTR_MEM_SPACE

    "Returns the VXI address space used by the device."

  // STOP ATTRIBUTE

  attribute: "VXI LA"

    "VXI/VME Settings:VXI Logical Address"

    iW readonly 00000000 3FFF00D5

    // const: VI_ATTR_VXI_LA

    "Returns the logical address of the VXI device."

  // STOP ATTRIBUTE

  attribute: "Immediate Serv"

    "VXI/VME Settings:Immediate Servant"

    bool readonly 00000000 3FFF0100

    // const: VI_ATTR_IMMEDIATE_SERV

    "Returns whether the VXI device is an immediate servant of the local controller."

  // STOP ATTRIBUTE

  attribute: "Cmdr LA"

    "VXI/VME Settings:VXI Commander Logical Address"

    iW readonly 00000000 3FFF006B

    // const: VI_ATTR_CMDR_LA

    "Returns the logical address of the commander of the VXI device."

  // STOP ATTRIBUTE

  attribute: "Src Access Priv"

    "VXI/VME Settings:Source Access Privilege"

    uW enum {Data/Privileged=0, Data/NonPrivileged=1, Program/Privileged=2, Program/NonPrivileged=3, Block/Privileged=4, Block/NonPrivileged=5, D64/Privileged=6, D64/NonPrivileged=7} readwrite 80000000 3FFF003C

    // const: VI_ATTR_SRC_ACCESS_PRIV

    "Specifies the address modifier to use in high-level access operations, such as VISA In X and VISA Move In X, when reading from the source. The default is Data/Privileged (0)."

  // STOP ATTRIBUTE

  attribute: "Dest Access Priv"

    "VXI/VME Settings:Destination Access Privilege"

    uW enum {Data/Privileged=0, Data/NonPrivileged=1, Program/Privileged=2, Program/NonPrivileged=3, Block/Privileged=4, Block/NonPrivileged=5, D64/Privileged=6, D64/NonPrivileged=7} readwrite 80000000 3FFF0039

    // const: VI_ATTR_DEST_ACCESS_PRIV

    "Specifies the address modifier to use in high-level access operations, such as VISA Out X and VISA Move Out X, when writing to the destination. The default is Data/Privileged (0)."

  // STOP ATTRIBUTE

  attribute: "Win Access Priv"

    "VXI/VME Settings:Window Access Privilege"

    uW enum {Data/Privileged=0, Data/NonPrivileged=1, Program/Privileged=2, Program/NonPrivileged=3, Block/Privileged=4, Block/NonPrivileged=5, D64/Privileged=6, D64/NonPrivileged=7} readwrite 80000000 3FFF0045

    // const: VI_ATTR_WIN_ACCESS_PRIV

    "Specifies the address modifier to use in low-level access operations, such as VISA Map Address, VISA Peek X, and VISA Poke X, when accessing the mapped window. The default is Data/Privileged (0)."

  // STOP ATTRIBUTE

  attribute: "Src Byte Order"

    "VXI/VME Settings:Source Byte Order"

    uW enum {"Big Endian"=0, "Little Endian"=1} readwrite 80000000 3FFF003D

    // const: VI_ATTR_SRC_BYTE_ORDER

    "Specifies the byte order to use in high-level access operations, such as VISA In X and VISA Move In X, when reading from the source. The default is Big Endian (0)."

  // STOP ATTRIBUTE

  attribute: "Dest Byte Order"

    "VXI/VME Settings:Destination Byte Order"

    uW enum {"Big Endian"=0, "Little Endian"=1} readwrite 80000000 3FFF003A

    // const: VI_ATTR_DEST_BYTE_ORDER

    "Specifies the byte order to use in high-level access operations, such as VISA Out X and VISA Move Out X, when writing to the destination. The default is Big Endian (0)."

  // STOP ATTRIBUTE

  attribute: "Win Byte Order"

    "VXI/VME Settings:Window Byte Order"

    uW enum {"Big Endian"=0, "Little Endian"=1} readwrite 80000000 3FFF0047

    // const: VI_ATTR_WIN_BYTE_ORDER

    "Specifies the byte order to use in low-level access operations, such as VISA Map Address, VISA Peek X, and VISA Poke X, when accessing the mapped window. The default is Big Endian (0)."

  // STOP ATTRIBUTE

  attribute: "VXI Trig Supp"

    "VXI/VME Settings:Supported VXI Trigger Lines"

    uL readonly 00000000 3FFF0194

    // const: VI_ATTR_VXI_TRIG_SUPPORT

    "Returns which VXI trigger lines this implementation supports. This property returns a bit vector with bits 0-9 corresponding to TTL0 through ECL1."

  // STOP ATTRIBUTE

  attribute: "VXI Dev Class"

    "VXI/VME Settings:VXI Device Class"

    uW enum {Memory=0, Extended=1, Message=2, Register=3, Other=4} readonly 00000000 3FFF006C

    // const: VI_ATTR_VXI_DEV_CLASS

    "Returns the class to which the VXI or VME device belongs."

  // STOP ATTRIBUTE

  attribute: "1394 Dest Upper"

    "FireWire Settings:Destination Upper Offset"

     uW readwrite 80000000 3FFF01F0

    // const: VI_ATTR_FIREWIRE_DEST_UPPER_OFFSET

    "Specifies the upper 16 bits of the 48-bit destination address for a FireWire device. The default is 0xFFFF."

  // STOP ATTRIBUTE

  attribute: "1394 Src Upper"

    "FireWire Settings:Source Upper Offset"

     uW readwrite 80000000 3FFF01F1

    // const: VI_ATTR_FIREWIRE_SRC_UPPER_OFFSET

    "Specifies the upper 16 bits of the 48-bit source address for a FireWire device. The default is 0xFFFF."

  // STOP ATTRIBUTE

  attribute: "1394 Win Upper"

    "FireWire Settings:Window Upper Offset"

     uW readwrite 80000000 3FFF01F2

    // const: VI_ATTR_FIREWIRE_WIN_UPPER_OFFSET

    "Specifies the upper 16 bits of the 48-bit address for a FireWire device when a window is mapped. The default is 0xFFFF."

  // STOP ATTRIBUTE

  attribute: "1394 Vendor"

    "FireWire Settings:Vendor ID"

     uL readonly 00000000 3FFF01F3

    // const: VI_ATTR_FIREWIRE_VENDOR_ID

    "Returns the vendor ID for a FireWire device."

  // STOP ATTRIBUTE

  attribute: "1394 Lower Chip"

    "FireWire Settings:Lower Chip ID"

     uL readonly 00000000 3FFF01F4

    // const: VI_ATTR_FIREWIRE_LOWER_CHIP_ID

    "Returns the lower chip ID for a FireWire device."

  // STOP ATTRIBUTE

  attribute: "1394 Upper Chip"

    "FireWire Settings:Upper Chip ID"

     uB readonly 00000000 3FFF01F5

    // const: VI_ATTR_FIREWIRE_UPPER_CHIP_ID

    "Returns the upper chip ID for a FireWire device."

  // STOP ATTRIBUTE

  attribute: "Intf Parent Num"

    "Interface Information:Interface Number of Parent"

    uW readonly 00000000 3FFF0101

    // const: VI_ATTR_INTF_PARENT_NUM

    "Returns the board number of the parent device.

<B>Note:</B> In the Instr class, this property is valid only for GPIB-VXI resources."

  // STOP ATTRIBUTE

  // STOP ATTRIBUTE LIST

  method: "VISA Read" noInvoke

  method: "VISA Write" noInvoke

  method: "VISA Read To File" noInvoke

  method: "VISA Write From File" noInvoke

  method: "VISA Clear" noInvoke

  method: "VISA Read STB" noInvoke

  method: "VISA Assert Trigger" noInvoke

  method: "VISA In 64" noInvoke

  method: "VISA In 32" noInvoke

  method: "VISA In 16" noInvoke

  method: "VISA In 8" noInvoke

  method: "VISA Out 64" noInvoke

  method: "VISA Out 32" noInvoke

  method: "VISA Out 16" noInvoke

  method: "VISA Out 8" noInvoke

  method: "VISA Map Address" noInvoke

  method: "VISA Unmap Address" noInvoke

  method: "VISA Peek 64" noInvoke

  method: "VISA Peek 32" noInvoke

  method: "VISA Peek 16" noInvoke

  method: "VISA Peek 8" noInvoke

  method: "VISA Poke 64" noInvoke

  method: "VISA Poke 32" noInvoke

  method: "VISA Poke 16" noInvoke

  method: "VISA Poke 8" noInvoke

  method: "VISA Move In 8" noInvoke

  method: "VISA Move In 16" noInvoke

  method: "VISA Move In 32" noInvoke

  method: "VISA Move In 64" noInvoke

  method: "VISA Move Out 8" noInvoke

  method: "VISA Move Out 16" noInvoke

  method: "VISA Move Out 32" noInvoke

  method: "VISA Move Out 64" noInvoke

  method: "VISA Mem Alloc" noInvoke

  method: "VISA Memory Allocation Ex" noInvoke

  method: "VISA Mem Free" noInvoke

  method: "VISA Set I/O Buffer Size" noInvoke

  method: "VISA Flush I/O Buffer" noInvoke

  method: "VISA GPIB Control REN" noInvoke

  method: "VISA VXI Cmd or Query" noInvoke

  method: "VISA USB Control Out" noInvoke

  method: "VISA USB Control In" noInvoke

// STOP CLASS

class: "GPIB Instr"

super: "I/O Session"

sorted: no

classString: "GPIB?*::INSTR"

  attribute: "Allow DMA"

    "General Settings:Allow DMA Transfers"

    bool readwrite 80000000 3FFF001E

    // const: VI_ATTR_DMA_ALLOW_EN

    "Specifies whether I/O accesses should attempt to use DMA (TRUE) or Programmed I/O (FALSE). In some implementations, this property may have global effects even though it is documented as a local property. This behavior affects performance and not functionality."

  // STOP ATTRIBUTE

  attribute: "TermChar"

    "Message Based Settings:Termination Character"

    uB readwrite 80000000 3FFF0018

    // const: VI_ATTR_TERMCHAR

    "Specifies a character that, when read, causes a read operation to terminate. The termination character also must be enabled. This default is 0x0A (linefeed)."

  // STOP ATTRIBUTE

  attribute: "TermChar En"

    "Message Based Settings:Termination Character Enable"

    bool readwrite 80000000 3FFF0038

    // const: VI_ATTR_TERMCHAR_EN

    "Specifies whether a read operation terminates when it receives the termination character. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "Send End En"

    "Message Based Settings:Send End Enable"

    bool readwrite 80000000 3FFF0016

    // const: VI_ATTR_SEND_END_EN

    "Specifies whether to send an END indicator on the last byte of each write operation. This property is relevant only in VISA Write and related operations. The default is TRUE.

On Serial Instr sessions, if this property is set to FALSE, the write transmits the exact contents of the user buffer, without modifying it and without appending anything to the data. If this property is set to TRUE, VISA performs the behavior described in the property End Mode for Writes (ASRL End Out).

On GPIB, VXI, GPIB-VXI, TCP/IP Instr, and USB Instr sessions, if this property is set to TRUE, VISA includes the 488.2 defined end of message terminator."

  // STOP ATTRIBUTE

  attribute: "File Append En"

    "Message Based Settings:File Append Enable"

    bool readwrite 80000000 3FFF0192

    // const: VI_ATTR_FILE_APPEND_EN

    "Specifies whether VISA Read To File appends or overwrites (truncates) when opening a file. If this property is set to TRUE, VISA Read To File appends when opening a file. If this property is set to FALSE, VISA Read To File?overwrites (truncates) when opening a file. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "IO Prot"

    "Message Based Settings:IO Protocol"

    uW enum {Normal=1, VXI/FDC=2, GPIB/HS488=3, "Serial-TCPIP-USB/488 Strings"=4, "USBTMC/Vendor-Specific"=5} readwrite 80000004 3FFF001C

    // const: VI_ATTR_IO_PROT

    "Specifies which protocol to use. In VXI, you can choose normal word serial or fast data channel. In GPIB, you can choose normal or high-speed HS-488 transfers. In serial, TCP/IP, or USB, you can choose normal transfers or 488.2-defined strings. In USBTMC, you can choose normal or vendor-specific transfers. The default is Normal."

  // STOP ATTRIBUTE

  attribute: "Primary Addr"

    "GPIB Settings:Primary Address"

    uW readonly 00000000 3FFF0172

    // const: VI_ATTR_GPIB_PRIMARY_ADDR

    "Returns the primary address of the GPIB device used by the given session."

  // STOP ATTRIBUTE

  attribute: "Secondary Addr"

    "GPIB Settings:Secondary Address"

    uW readonly 00000000 3FFF0173

    // const: VI_ATTR_GPIB_SECONDARY_ADDR

    "Returns the secondary address of the GPIB device used by the given session. If the device does not have a secondary address, the value of this property is 65535 (0xFFFF)."

  // STOP ATTRIBUTE

  attribute: "Readdress"

    "GPIB Settings:Readdressing"

    bool readwrite 80000000 3FFF001B

    // const: VI_ATTR_GPIB_READDR_EN

    "Specifies whether to use repeat addressing before each read or write operation. The default is TRUE."

  // STOP ATTRIBUTE

  attribute: "Unaddress"

    "GPIB Settings:Unaddressing"

    bool readwrite 80000000 3FFF0184

    // const: VI_ATTR_GPIB_UNADDR_EN

    "Specifies whether to unaddress the device (UNT and UNL) after each read or write operation. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "REN State"

    "GPIB Settings:Line REN State"

    iW enum {Unknown=-1, Unasserted=0, Asserted=1} readonly 00000000 3FFF0181

    // const: VI_ATTR_GPIB_REN_STATE

    "Returns the current state of the GPIB REN (Remote ENable) interface line."

  // STOP ATTRIBUTE

  // STOP ATTRIBUTE LIST

  method: "VISA Read" noInvoke

  method: "VISA Write" noInvoke

  method: "VISA Read To File" noInvoke

  method: "VISA Write From File" noInvoke

  method: "VISA Clear" noInvoke

  method: "VISA Read STB" noInvoke

  method: "VISA Assert Trigger" noInvoke

  method: "VISA GPIB Control REN" noInvoke

// STOP CLASS

class: "VXI/GPIB-VXI MBD Instr"

super: "I/O Session"

sorted: no

classString: "?*VXI?*::INSTR"

  attribute: "Intf Parent Num"

    "Interface Information:Interface Number of Parent"

    uW readonly 00000000 3FFF0101

    // const: VI_ATTR_INTF_PARENT_NUM

    "Returns the board number of the parent device."

  // STOP ATTRIBUTE

  attribute: "Allow DMA"

    "General Settings:Allow DMA Transfers"

    bool readwrite 80000000 3FFF001E

    // const: VI_ATTR_DMA_ALLOW_EN

    "Specifies whether I/O accesses should attempt to use DMA (TRUE) or Programmed I/O (FALSE). In some implementations, this property may have global effects even though it is documented as a local property. This behavior affects performance and not functionality."

  // STOP ATTRIBUTE

  attribute: "Trigger Id"

    "General Settings:Trigger Identifier"

    iW enum {Software=-1, TTL0=0, TTL1=1, TTL2=2, TTL3=3, TTL4=4, TTL5=5, TTL6=6, TTL7=7, ECL0=8, ECL1=9} readwrite 80000000 3FFF0177

    // const: VI_ATTR_TRIG_ID

    "Specifies which trigger mechanism to use. In VXI systems, for example, you can choose between software triggers and hardware triggers on a specific trigger line. The default is Software."

  // STOP ATTRIBUTE

  attribute: "Manf Name"

    "General Settings:Manufacturer Name"

    string readonly 00000000 BFFF0072

    // const: VI_ATTR_MANF_NAME

    "Returns the name of the manufacturer that created the device.

<B>Note:</B> Use the value of this property for display purposes only and not for programmatic decisions. The value can change between VISA implementations and/or revisions."

  // STOP ATTRIBUTE

  attribute: "Model Name"

    "General Settings:Model Name"

    string readonly 00000000 BFFF0077

    // const: VI_ATTR_MODEL_NAME

    "Returns the model name of the device. 

<B>Note:</B> Use the value of this property for display purposes only and not for programmatic decisions. The value can change between VISA implementations and/or revisions."

  // STOP ATTRIBUTE

  attribute: "Manf Id"

    "General Settings:Manufacturer Identification"

    uW readonly 00000000 3FFF00D9

    // const: VI_ATTR_MANF_ID

    "Returns the ID of the manufacturer that created the device. For VXI resources, this refers to the VXI Manufacturer ID. For PXI resources, if the subsystem PCI Vendor ID is nonzero, this refers to the subsystem Vendor ID. Otherwise, this refers to the Vendor ID. For USB resources, this refers to the Vendor ID (VID)."

  // STOP ATTRIBUTE

  attribute: "Model Code"

    "General Settings:Model Code"

    uW readonly 00000000 3FFF00DF

    // const: VI_ATTR_MODEL_CODE

    "Returns the device model code assigned by the manufacturer. For VXI resources, this refers to the VXI Model Code. For PXI resources, if the subsystem PCI Vendor ID is nonzero, this refers to the subsystem Device ID. Otherwise, this refers to the Device ID. For USB resources, this refers to the Product ID (PID)."

  // STOP ATTRIBUTE

  attribute: "Slot"

    "General Settings:Slot"

    iW readonly 00000000 3FFF00E8

    // const: VI_ATTR_SLOT

    "Returns the physical slot location of the device. If the slot is unknown, the value returned is -1."

  // STOP ATTRIBUTE

  attribute: "TermChar"

    "Message Based Settings:Termination Character"

    uB readwrite 80000000 3FFF0018

    // const: VI_ATTR_TERMCHAR

    "Specifies a character that, when read, causes a read operation to terminate. The termination character also must be enabled. This default is 0x0A (linefeed)."

  // STOP ATTRIBUTE

  attribute: "TermChar En"

    "Message Based Settings:Termination Character Enable"

    bool readwrite 80000000 3FFF0038

    // const: VI_ATTR_TERMCHAR_EN

    "Specifies whether a read operation terminates when it receives the termination character. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "Send End En"

    "Message Based Settings:Send End Enable"

    bool readwrite 80000000 3FFF0016

    // const: VI_ATTR_SEND_END_EN

    "Specifies whether to send an END indicator on the last byte of each write operation. This property is relevant only in VISA Write and related operations. The default is TRUE.

On Serial Instr sessions, if this property is set to FALSE, the write transmits the exact contents of the user buffer, without modifying it and without appending anything to the data. If this property is set to TRUE, VISA performs the behavior described in the property End Mode for Writes (ASRL End Out).

On GPIB, VXI, GPIB-VXI, TCP/IP Instr, and USB Instr sessions, if this property is set to TRUE, VISA includes the 488.2 defined end of message terminator."

  // STOP ATTRIBUTE

  attribute: "Suppress End En"

    "Message Based Settings:Suppress End Enable"

    bool readwrite 80000000 3FFF0036

    // const: VI_ATTR_SUPPRESS_END_EN

    "Specifies whether to terminate a read operation due to an END condition. This property is relevant only in VISA Read and related operations.

For all session types that support this property, if this property is set to TRUE, read does not terminate due to an END condition. However, a read may still terminate successfully if the Message Based Settings:Termination Character Enable (TermChar En) property is set to TRUE. Otherwise, read does not terminate until it receives all of the requested data (or an error occurs). The default is FALSE (except for TCP/IP Socket sessions).

On Serial Instr sessions, if this property is set to FALSE, VISA performs the behavior described in the Serial Settings:End Mode for Reads (ASRL End In) property.

On USB Raw sessions, if this property is set to FALSE, VISA performs the behavior described in the USB Settings:End Mode for Reads (USB End In) property.

On TCP/IP Socket sessions, if this property is set to FALSE, if NI-VISA reads some data and then detects a pause in the arrival of data packets, it terminates the read operation. On TCP/IP Socket sessions, the default value for the property is TRUE in NI-VISA.

On VXI Instr sessions, if this property is set to FALSE, the END bit terminates read operations."

  // STOP ATTRIBUTE

  attribute: "File Append En"

    "Message Based Settings:File Append Enable"

    bool readwrite 80000000 3FFF0192

    // const: VI_ATTR_FILE_APPEND_EN

    "Specifies whether VISA Read To File appends or overwrites (truncates) when opening a file. If this property is set to TRUE, VISA Read To File appends when opening a file. If this property is set to FALSE, VISA Read To File?overwrites (truncates) when opening a file. The default is FALSE."

  // STOP ATTRIBUTE

  attribute: "Is 488.2"

    "Message Based Settings:Is 488.2 Compliant"

    bool readonly 00000000 3FFF019F

    // const: VI_ATTR_4882_COMPLIANT

    "Returns whether the device is 488.2 compliant."

  // STOP ATTRIBUTE

  attribute: "IO Prot"

    "Message Based Settings:IO Protocol"

    uW enum {Normal=1, VXI/FDC=2, GPIB/HS488=3, "Serial-TCPIP-USB/488 Strings"=4, "USBTMC/Vendor-Specific"=5} readwrite 80000004 3FFF001C

    // const: VI_ATTR_IO_PROT

    "Specifies which protocol to use. In VXI, you can choose normal word serial or fast data channel. In GPIB, you can choose normal or high-speed HS-488 transfers. In serial, TCP/IP, or USB, you can choose normal transfers or 488.2-defined strings. In USBTMC, you can choose normal or vendor-specific transfers. The default is Normal."

  // STOP ATTRIBUTE

  attribute: "Win Base Addr"

    "Register Based Settings:Window Base Address"

    uL readonly 80000000 3FFF0098

    // const: VI_ATTR_WIN_BASE_ADDR

    "Returns the base interface address to which this window maps. If the Window Access property is Not Mapped, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "Win Size"

    "Register Based Settings:Window Size"

    uL readonly 80000000 3FFF009A

    // const: VI_ATTR_WIN_SIZE

    "Returns the size of the region mapped to this window. If the Window Access property is Not Mapped, the value of this property is meaningless."

  // STOP ATTRIBUTE

  attribute: "Win Access"

    "Register Based Settings:Window Access"

    uW enum {"Not Mapped"=1, "Use Peek/Poke Operations"=2, "Can Dereference Pointer"=3, "Pointer value is byte-swapped"=4} readonly 80000000 3FFF00C3

    // const: VI_ATTR_WIN_ACCESS

    "Returns whether the current session has a mapped window, and if so, whether the window allows direct pointer dereferences."

  // STOP ATTRIBUTE

  attribute: "Src Increment"

    "Register Based Settings:Source Increment Count"

    iL readwrite 80000000 3FFF0040

    // const: VI_ATTR_SRC_INCREMENT

    "Specifies the number of elements by which to increment the source address on block move operations. Valid values include 0 and 1. The default is 1. If this property is set to 0, VISA Move In X operations always read from the same element, essentially treating the source as a FIFO register."

  // STOP ATTRIBUTE

  attribute: "Dest Increment"

    "Register Based Settings:Destination Increment Count"

    iL readwrite 80000000 3FFF0041

    // const: VI_ATTR_DEST_INCREMENT

    "Specifies the number of elements by which to increment the destination address on block move operations. Valid values include 0 and 1. The default is 1. If this property is set to 0, VISA Move Out X operations always read from the same element, essentially treating the destination as a FIFO register."

  // STOP ATTRIBUTE

  attribute: "FDC Channel"

    "VXI/VME Settings:Fast Data Channel:Channel Number"

    uW readwrite 80000000 3FFF000D

    // const: VI_ATTR_FDC_CHNL

    "Specifies which FDC channel to use to transfer data buffers. Valid values include 0-7."

  // STOP ATTRIBUTE

  attribute: "FDC Mode"