NI-VISA Help
Table of contents
-
NI-VISA Help
- Related Documentation
- Using Help
- Introduction
-
User Reference
- How to Use the User Reference Topics
- Introductory Programming Examples
- VISA Overview
- Initializing Your VISA Application
-
Message-Based Communication
- Introduction
- Basic I/O Services
-
Formatted I/O Services
- Formatted I/O Operations
- I/O Buffer Operations
- Variable List Operations
- Manually Flushing the Formatted I/O Buffers
- Automatically Flushing the Formatted I/O Buffers
- Resizing the Formatted I/O Buffers
- Formatted I/O Read and Low-Level I/O Receive Buffers
- Formatted I/O Write and Low-Level I/O Transmit Buffers
- Recommendations for Using the VISA Buffers
- Formatted I/O Instrument Driver Examples
- Register-Based Communication
- VISA Events
- VISA Locks
- .NET
-
NI-VISA Utilities
- NI Spy: Debugging Tool
- Interactive Control of VISA
- Measurement & Automation Explorer (MAX)
- visaconf
-
NI-VISA Driver Wizard
- Overview
- Hardware Bus
- Basic FireWire Device Information
- Basic PXI/PCI Device Information
- Basic USB Device Information
- Interrupt Detection Information
- Interrupt Removal Information
- NI-VISA PXI Interrupt Information
- Disarm Interrupt Information
- PXI Express Configuration
- Output Files Information
- Installation Options
- Example for PXI
- Example for USB
-
Interface-Specific Information
- GPIB
- GPIB-VXI
- VXI
-
PXI/PCI
- Introduction to Programming PXI Devices in NI-VISA
- User-Level Functionality
- Configuring NI-VISA to Recognize a PXI Device
- Using LabWindows/CVI to Install Your Device .inf Files
- Other PXI Resource Classes and VISA
- PXI Summary
- Using the NI-VISA Driver Wizard and NI-VISA to Register-Level Program a PXI/PCI Device Under Windows
- Serial
- Ethernet
- Remote NI-VISA
- USB
- FireWire
-
Function Reference
- Overview of the VISA API
-
Attributes
- Attributes
- VI_ATTR_4882_COMPLIANT
- VI_ATTR_ASRL_ALLOW_TRANSMIT
- VI_ATTR_ASRL_AVAIL_NUM
- VI_ATTR_ASRL_BAUD
- VI_ATTR_ASRL_BREAK_LEN
- VI_ATTR_ASRL_BREAK_STATE
- VI_ATTR_ASRL_CONNECTED
- VI_ATTR_ASRL_CTS_STATE
- VI_ATTR_ASRL_DATA_BITS
- VI_ATTR_ASRL_DCD_STATE
- VI_ATTR_ASRL_DISCARD_NULL
- VI_ATTR_ASRL_DSR_STATE
- VI_ATTR_ASRL_DTR_STATE
- VI_ATTR_ASRL_END_IN
- VI_ATTR_ASRL_END_OUT
- VI_ATTR_ASRL_FLOW_CNTRL
- VI_ATTR_ASRL_PARITY
- VI_ATTR_ASRL_REPLACE_CHAR
- VI_ATTR_ASRL_RI_STATE
- VI_ATTR_ASRL_RTS_STATE
- VI_ATTR_ASRL_STOP_BITS
- VI_ATTR_ASRL_WIRE_MODE
- VI_ATTR_ASRL_XOFF_CHAR
- VI_ATTR_ASRL_XON_CHAR
- VI_ATTR_BUFFER
- VI_ATTR_CMDR_LA
- VI_ATTR_DEST_ACCESS_PRIV
- VI_ATTR_DEST_BYTE_ORDER
- VI_ATTR_DEST_INCREMENT
- VI_ATTR_DEV_STATUS_BYTE
- VI_ATTR_DMA_ALLOW_EN
- VI_ATTR_EVENT_TYPE
- VI_ATTR_FDC_CHNL
- VI_ATTR_FDC_MODE
- VI_ATTR_FDC_USE_PAIR
- VI_ATTR_FILE_APPEND_EN
- VI_ATTR_FIREWIRE_DEST_UPPER_OFFSET
- VI_ATTR_FIREWIRE_LOWER_32_CHIP_ID
- VI_ATTR_FIREWIRE_SRC_UPPER_OFFSET
- VI_ATTR_FIREWIRE_UPPER_8_CHIP_ID
- VI_ATTR_FIREWIRE_VENDOR_ID
- VI_ATTR_FIREWIRE_WIN_UPPER_OFFSET
- VI_ATTR_GPIB_ADDR_STATE
- VI_ATTR_GPIB_ATN_STATE
- VI_ATTR_GPIB_CIC_STATE
- VI_ATTR_GPIB_HS488_CBL_LEN
- VI_ATTR_GPIB_NDAC_STATE
- VI_ATTR_GPIB_PRIMARY_ADDR
- VI_ATTR_GPIB_READDR_EN
- VI_ATTR_GPIB_RECV_CIC_STATE
- VI_ATTR_GPIB_REN_STATE
- VI_ATTR_GPIB_SECONDARY_ADDR
- VI_ATTR_GPIB_SRQ_STATE
- VI_ATTR_GPIB_SYS_CNTRL_STATE
- VI_ATTR_GPIB_UNADDR_EN
- VI_ATTR_IMMEDIATE_SERV
- VI_ATTR_INTF_INST_NAME
- VI_ATTR_INTF_NUM
- VI_ATTR_INTF_PARENT_NUM
- VI_ATTR_INTF_TYPE
- VI_ATTR_INTR_STATUS_ID
- VI_ATTR_IO_PROT
- VI_ATTR_JOB_ID
- VI_ATTR_MAINFRAME_LA
- VI_ATTR_MANF_ID
- VI_ATTR_MANF_NAME
- VI_ATTR_MAX_QUEUE_LENGTH
- VI_ATTR_MEM_BASE/VI_ATTR_MEM_BASE_32/VI_ATTR_MEM_BASE_64
- VI_ATTR_MEM_SIZE/VI_ATTR_MEM_SIZE_32/VI_ATTR_MEM_SIZE_64
- VI_ATTR_MEM_SPACE
- VI_ATTR_MODEL_CODE
- VI_ATTR_MODEL_NAME
- VI_ATTR_OPER_NAME
- VI_ATTR_PXI_ACTUAL_LWIDTH
- VI_ATTR_PXI_BUS_NUM
- VI_ATTR_PXI_CHASSIS
- VI_ATTR_PXI_DEST_TRIG_BUS
- VI_ATTR_PXI_DEV_NUM
- VI_ATTR_PXI_DSTAR_BUS
- VI_ATTR_PXI_DSTAR_SET
- VI_ATTR_PXI_FUNC_NUM
- VI_ATTR_PXI_IS_EXPRESS
- VI_ATTR_PXI_MAX_LWIDTH
- VI_ATTR_PXI_MEM_BASE_BAR0/1/2/3/4/5
- VI_ATTR_PXI_MEM_SIZE_BAR0/1/2/3/4/5
- VI_ATTR_PXI_MEM_TYPE_BAR0/1/2/3/4/5
- VI_ATTR_PXI_RECV_INTR_DATA
- VI_ATTR_PXI_RECV_INTR_SEQ
- VI_ATTR_PXI_SLOT_LBUS_LEFT
- VI_ATTR_PXI_SLOT_LBUS_RIGHT
- VI_ATTR_PXI_SLOT_LWIDTH
- VI_ATTR_PXI_SLOTPATH
- VI_ATTR_PXI_SRC_TRIG_BUS
- VI_ATTR_PXI_STAR_TRIG_BUS
- VI_ATTR_PXI_STAR_TRIG_LINE
- VI_ATTR_PXI_TRIG_BUS
- VI_ATTR_RD_BUF_OPER_MODE
- VI_ATTR_RD_BUF_SIZE
- VI_ATTR_RECV_INTR_LEVEL
- VI_ATTR_RECV_TRIG_ID
- VI_ATTR_RET_COUNT/VI_ATTR_RET_COUNT_32/VI_ATTR_RET_COUNT_64
- VI_ATTR_RM_SESSION
- VI_ATTR_RSRC_CLASS
- VI_ATTR_RSRC_IMPL_VERSION
- VI_ATTR_RSRC_LOCK_STATE
- VI_ATTR_RSRC_MANF_ID
- VI_ATTR_RSRC_MANF_NAME
- VI_ATTR_RSRC_NAME
- VI_ATTR_RSRC_SPEC_VERSION
- VI_ATTR_SEND_END_EN
- VI_ATTR_SIGP_STATUS_ID
- VI_ATTR_SLOT
- VI_ATTR_SRC_ACCESS_PRIV
- VI_ATTR_SRC_BYTE_ORDER
- VI_ATTR_SRC_INCREMENT
- VI_ATTR_STATUS
- VI_ATTR_SUPPRESS_END_EN
- VI_ATTR_TCPIP_ADDR
- VI_ATTR_TCPIP_DEVICE_NAME
- VI_ATTR_TCPIP_HOSTNAME
- VI_ATTR_TCPIP_KEEPALIVE
- VI_ATTR_TCPIP_NODELAY
- VI_ATTR_TCPIP_PORT
- VI_ATTR_TERMCHAR
- VI_ATTR_TERMCHAR_EN
- VI_ATTR_TMO_VALUE
- VI_ATTR_TRIG_ID
- VI_ATTR_USB_ALT_SETTING
- VI_ATTR_USB_BULK_IN_PIPE
- VI_ATTR_USB_BULK_IN_STATUS
- VI_ATTR_USB_BULK_OUT_PIPE
- VI_ATTR_USB_BULK_OUT_STATUS
- VI_ATTR_USB_CLASS
- VI_ATTR_USB_CTRL_PIPE
- VI_ATTR_USB_END_IN
- VI_ATTR_USB_INTFC_NUM
- VI_ATTR_USB_INTR_IN_PIPE
- VI_ATTR_USB_INTR_IN_STATUS
- VI_ATTR_USB_MAX_INTR_SIZE
- VI_ATTR_USB_NUM_INTFCS
- VI_ATTR_USB_NUM_PIPES
- VI_ATTR_USB_PROTOCOL
- VI_ATTR_USB_RECV_INTR_DATA
- VI_ATTR_USB_RECV_INTR_SIZE
- VI_ATTR_USB_SERIAL_NUM
- VI_ATTR_USB_SUBCLASS
- VI_ATTR_USER_DATA/VI_ATTR_USER_DATA_32/VI_ATTR_USER_DATA_64
- VI_ATTR_VXI_DEV_CLASS
- VI_ATTR_VXI_LA
- VI_ATTR_VXI_TRIG_STATUS
- VI_ATTR_VXI_TRIG_SUPPORT
- VI_ATTR_VXI_VME_INTR_STATUS
- VI_ATTR_VXI_VME_SYSFAIL_STATE
- VI_ATTR_WIN_ACCESS
- VI_ATTR_WIN_ACCESS_PRIV
- VI_ATTR_WIN_BASE_ADDR/VI_ATTR_WIN_BASE_ADDR_32/VI_ATTR_WIN_BASE_ADDR_64
- VI_ATTR_WIN_BYTE_ORDER
- VI_ATTR_WIN_SIZE/VI_ATTR_WIN_SIZE_32/VI_ATTR_WIN_SIZE_64
- VI_ATTR_WR_BUF_OPER_MODE
- VI_ATTR_WR_BUF_SIZE
-
Events
- Events
- VI_EVENT_ASRL_BREAK
- VI_EVENT_ASRL_CHAR
- VI_EVENT_ASRL_CTS
- VI_EVENT_ASRL_DCD
- VI_EVENT_ASRL_DSR
- VI_EVENT_ASRL_RI
- VI_EVENT_ASRL_TERMCHAR
- VI_EVENT_CLEAR
- VI_EVENT_EXCEPTION
- VI_EVENT_GPIB_CIC
- VI_EVENT_GPIB_LISTEN
- VI_EVENT_GPIB_TALK
- VI_EVENT_IO_COMPLETION
- VI_EVENT_PXI_INTR
- VI_EVENT_SERVICE_REQ
- VI_EVENT_TRIG
- VI_EVENT_USB_INTR
- VI_EVENT_VXI_SIGP
- VI_EVENT_VXI_VME_INTR
- VI_EVENT_VXI_VME_SYSFAIL
- VI_EVENT_VXI_VME_SYSRESET
-
Operations
- Operations
- viAssertIntrSignal
- viAssertTrigger
- viAssertUtilSignal
- viBufRead
- viBufWrite
- viClear
- viClose
- viDisableEvent
- viDiscardEvents
- viEnableEvent
- viEventHandler
- viFindNext
- viFindRsrc
- viFlush
- viGetAttribute
- viGpibCommand
- viGpibControlATN
- viGpibControlREN
- viGpibPassControl
- viGpibSendIFC
- viIn8/viIn16/viIn32/viIn64
- viIn8Ex/viIn16Ex/viIn32Ex/viIn64Ex
- viInstallHandler
- viLock
- viMapAddress/viMapAddressEx
- viMapTrigger
- viMemAlloc/viMemAllocEx
- viMemFree/viMemFreeEx
- viMove/viMoveEx
- viMoveAsync/viMoveAsyncEx
- viMoveIn8/viMoveIn16/viMoveIn32/viMoveIn64
- viMoveIn8Ex/viMoveIn16Ex/viMoveIn32Ex/viMoveIn64Ex
- viMoveOut8/viMoveOut16/viMoveOut32/viMoveOut64
- viMoveOut8Ex/viMoveOut16Ex/viMoveOut32Ex/viMoveOut64Ex
- viOpen
- viOpenDefaultRM
- viOut8/viOut16/viOut32/viOut64
- viOut8Ex/viOut16Ex/viOut32Ex/viOut64Ex
- viParseRsrc
- viParseRsrcEx
- viPeek8/viPeek16/viPeek32/viPeek64
- viPoke8/viPoke16/viPoke32/viPoke64
- viPrintf
- viQueryf
- viRead
- viReadAsync
- viReadSTB
- viReadToFile
- viScanf
- viSetAttribute
- viSetBuf
- viSPrintf
- viSScanf
- viStatusDesc
- viTerminate
- viUninstallHandler
- viUnlock
- viUnmapAddress
- viUnmapTrigger
- viUsbControlIn
- viUsbControlOut
- viVPrintf
- viVQueryf
- viVScanf
- viVSPrintf
- viVSScanf
- viVxiCommandQuery
- viWaitOnEvent
- viWrite
- viWriteAsync
- viWriteFromFile
- Resources
- Status Codes
- Platform-Specific and Portability Issues
- Glossary
- Important Information
- Technical Support and Professional Services