#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# vpp43_constants.py - VISA VPP-4.3 constants (VPP-4.3.2 spec, section 3)
#
# Copyright 2005, 2006, 2007, 2008
# Torsten Bronger <bronger@physik.rwth-aachen.de>,
# Gregor Thalhammer <gth@users.sourceforge.net>.
#
# This file is part of PyVISA.
#
# PyVISA is free software; you can redistribute it and/or modify it under
# the terms of the MIT licence:
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
"""Makes all "completion and error codes", "attribute values", "event type
values", and "values and ranges" defined in the VISA specification VPP-4.3.2,
section 3, available as variable values.
The module exports the values under the original, all-uppercase names.
"""
__version__ = "$Revision: 1.4 $"
# $Source: /cvsroot/pyvisa/pyvisa/src/vpp43_constants.py,v $
# _to_int() is necessary because the VISA specification is flawed: It defines
# the VISA codes, which have a value less than zero, in their internal 32-bit
# signed integer representation. However, this is positive. ctypes doesn't
# care about that and (correctly) returns the negative value, which is left as
# such by Python.
#
def _to_int(x):
"""Converts a completion and error code as it is listed in 32-bit notation
in the VPP-4.3.2 specification to the actual integer value.
"""
if x > 0x7FFFFFFFL:
return int(x - 0x100000000L)
else:
return int(x)
VI_SUCCESS = _to_int(0x00000000L)
VI_SUCCESS_EVENT_EN = _to_int(0x3FFF0002L)
VI_SUCCESS_EVENT_DIS = _to_int(0x3FFF0003L)
VI_SUCCESS_QUEUE_EMPTY = _to_int(0x3FFF0004L)
VI_SUCCESS_TERM_CHAR = _to_int(0x3FFF0005L)
VI_SUCCESS_MAX_CNT = _to_int(0x3FFF0006L)
VI_SUCCESS_DEV_NPRESENT = _to_int(0x3FFF007DL)
VI_SUCCESS_TRIG_MAPPED = _to_int(0x3FFF007EL)
VI_SUCCESS_QUEUE_NEMPTY = _to_int(0x3FFF0080L)
VI_SUCCESS_NCHAIN = _to_int(0x3FFF0098L)
VI_SUCCESS_NESTED_SHARED = _to_int(0x3FFF0099L)
VI_SUCCESS_NESTED_EXCLUSIVE = _to_int(0x3FFF009AL)
VI_SUCCESS_SYNC = _to_int(0x3FFF009BL)
VI_WARN_QUEUE_OVERFLOW = _to_int(0x3FFF000CL)
VI_WARN_CONFIG_NLOADED = _to_int(0x3FFF0077L)
VI_WARN_NULL_OBJECT = _to_int(0x3FFF0082L)
VI_WARN_NSUP_ATTR_STATE = _to_int(0x3FFF0084L)
VI_WARN_UNKNOWN_STATUS = _to_int(0x3FFF0085L)
VI_WARN_NSUP_BUF = _to_int(0x3FFF0088L)
# The following one is a non-standard NI extension
VI_WARN_EXT_FUNC_NIMPL = _to_int(0x3FFF00A9L)
VI_ERROR_SYSTEM_ERROR = _to_int(0xBFFF0000L)
VI_ERROR_INV_OBJECT = _to_int(0xBFFF000EL)
VI_ERROR_RSRC_LOCKED = _to_int(0xBFFF000FL)
VI_ERROR_INV_EXPR = _to_int(0xBFFF0010L)
VI_ERROR_RSRC_NFOUND = _to_int(0xBFFF0011L)
VI_ERROR_INV_RSRC_NAME = _to_int(0xBFFF0012L)
VI_ERROR_INV_ACC_MODE = _to_int(0xBFFF0013L)
VI_ERROR_TMO = _to_int(0xBFFF0015L)
VI_ERROR_CLOSING_FAILED = _to_int(0xBFFF0016L)
VI_ERROR_INV_DEGREE = _to_int(0xBFFF001BL)
VI_ERROR_INV_JOB_ID = _to_int(0xBFFF001CL)
VI_ERROR_NSUP_ATTR = _to_int(0xBFFF001DL)
VI_ERROR_NSUP_ATTR_STATE = _to_int(0xBFFF001EL)
VI_ERROR_ATTR_READONLY = _to_int(0xBFFF001FL)
VI_ERROR_INV_LOCK_TYPE = _to_int(0xBFFF0020L)
VI_ERROR_INV_ACCESS_KEY = _to_int(0xBFFF0021L)
VI_ERROR_INV_EVENT = _to_int(0xBFFF0026L)
VI_ERROR_INV_MECH = _to_int(0xBFFF0027L)
VI_ERROR_HNDLR_NINSTALLED = _to_int(0xBFFF0028L)
VI_ERROR_INV_HNDLR_REF = _to_int(0xBFFF0029L)
VI_ERROR_INV_CONTEXT = _to_int(0xBFFF002AL)
VI_ERROR_QUEUE_OVERFLOW = _to_int(0xBFFF002DL)
VI_ERROR_NENABLED = _to_int(0xBFFF002FL)
VI_ERROR_ABORT = _to_int(0xBFFF0030L)
VI_ERROR_RAW_WR_PROT_VIOL = _to_int(0xBFFF0034L)
VI_ERROR_RAW_RD_PROT_VIOL = _to_int(0xBFFF0035L)
VI_ERROR_OUTP_PROT_VIOL = _to_int(0xBFFF0036L)
VI_ERROR_INP_PROT_VIOL = _to_int(0xBFFF0037L)
VI_ERROR_BERR = _to_int(0xBFFF0038L)
VI_ERROR_IN_PROGRESS = _to_int(0xBFFF0039L)
VI_ERROR_INV_SETUP = _to_int(0xBFFF003AL)
VI_ERROR_QUEUE_ERROR = _to_int(0xBFFF003BL)
VI_ERROR_ALLOC = _to_int(0xBFFF003CL)
VI_ERROR_INV_MASK = _to_int(0xBFFF003DL)
VI_ERROR_IO = _to_int(0xBFFF003EL)
VI_ERROR_INV_FMT = _to_int(0xBFFF003FL)
VI_ERROR_NSUP_FMT = _to_int(0xBFFF0041L)
VI_ERROR_LINE_IN_USE = _to_int(0xBFFF0042L)
VI_ERROR_NSUP_MODE = _to_int(0xBFFF0046L)
VI_ERROR_SRQ_NOCCURRED = _to_int(0xBFFF004AL)
VI_ERROR_INV_SPACE = _to_int(0xBFFF004EL)
VI_ERROR_INV_OFFSET = _to_int(0xBFFF0051L)
VI_ERROR_INV_WIDTH = _to_int(0xBFFF0052L)
VI_ERROR_NSUP_OFFSET = _to_int(0xBFFF0054L)
VI_ERROR_NSUP_VAR_WIDTH = _to_int(0xBFFF0055L)
VI_ERROR_WINDOW_NMAPPED = _to_int(0xBFFF0057L)
VI_ERROR_RESP_PENDING = _to_int(0xBFFF0059L)
VI_ERROR_NLISTENERS = _to_int(0xBFFF005FL)
VI_ERROR_NCIC = _to_int(0xBFFF0060L)
VI_ERROR_NSYS_CNTLR = _to_int(0xBFFF0061L)
VI_ERROR_NSUP_OPER = _to_int(0xBFFF0067L)
VI_ERROR_INTR_PENDING = _to_int(0xBFFF0068L)
VI_ERROR_ASRL_PARITY = _to_int(0xBFFF006AL)
VI_ERROR_ASRL_FRAMING = _to_int(0xBFFF006BL)
VI_ERROR_ASRL_OVERRUN = _to_int(0xBFFF006CL)
VI_ERROR_TRIG_NMAPPED = _to_int(0xBFFF006EL)
VI_ERROR_NSUP_ALIGN_OFFSET = _to_int(0xBFFF0070L)
VI_ERROR_USER_BUF = _to_int(0xBFFF0071L)
VI_ERROR_RSRC_BUSY = _to_int(0xBFFF0072L)
VI_ERROR_NSUP_WIDTH = _to_int(0xBFFF0076L)
VI_ERROR_INV_PARAMETER = _to_int(0xBFFF0078L)
VI_ERROR_INV_PROT = _to_int(0xBFFF0079L)
VI_ERROR_INV_SIZE = _to_int(0xBFFF007BL)
VI_ERROR_WINDOW_MAPPED = _to_int(0xBFFF0080L)
VI_ERROR_NIMPL_OPER = _to_int(0xBFFF0081L)
VI_ERROR_INV_LENGTH = _to_int(0xBFFF0083L)
VI_ERROR_INV_MODE = _to_int(0xBFFF0091L)
VI_ERROR_SESN_NLOCKED = _to_int(0xBFFF009CL)
VI_ERROR_MEM_NSHARED = _to_int(0xBFFF009DL)
VI_ERROR_LIBRARY_NFOUND = _to_int(0xBFFF009EL)
VI_ERROR_NSUP_INTR = _to_int(0xBFFF009FL)
VI_ERROR_INV_LINE = _to_int(0xBFFF00A0L)
VI_ERROR_FILE_ACCESS = _to_int(0xBFFF00A1L)
VI_ERROR_FILE_IO = _to_int(0xBFFF00A2L)
VI_ERROR_NSUP_LINE = _to_int(0xBFFF00A3L)
VI_ERROR_NSUP_MECH = _to_int(0xBFFF00A4L)
VI_ERROR_INTF_NUM_NCONFIG = _to_int(0xBFFF00A5L)
VI_ERROR_CONN_LOST = _to_int(0xBFFF00A6L)
# The following two are a non-standard NI extensions
VI_ERROR_MACHINE_NAVAIL = _to_int(0xBFFF00A7L)
VI_ERROR_NPERMISSION = _to_int(0xBFFF00A8L)
#
# Attribute constants
#
# All attribute codes are unsigned long, so no _to_int() is necessary.
#
VI_ATTR_RSRC_CLASS = 0xBFFF0001L
VI_ATTR_RSRC_NAME = 0xBFFF0002L
VI_ATTR_RSRC_IMPL_VERSION = 0x3FFF0003L
VI_ATTR_RSRC_LOCK_STATE = 0x3FFF0004L
VI_ATTR_MAX_QUEUE_LENGTH = 0x3FFF0005L
VI_ATTR_USER_DATA = 0x3FFF0007L
VI_ATTR_FDC_CHNL = 0x3FFF000DL
VI_ATTR_FDC_MODE = 0x3FFF000FL
VI_ATTR_FDC_GEN_SIGNAL_EN = 0x3FFF0011L
VI_ATTR_FDC_USE_PAIR = 0x3FFF0013L
VI_ATTR_SEND_END_EN = 0x3FFF0016L
VI_ATTR_TERMCHAR = 0x3FFF0018L
VI_ATTR_TMO_VALUE = 0x3FFF001AL
VI_ATTR_GPIB_READDR_EN = 0x3FFF001BL
VI_ATTR_IO_PROT = 0x3FFF001CL
VI_ATTR_DMA_ALLOW_EN = 0x3FFF001EL
VI_ATTR_ASRL_BAUD = 0x3FFF0021L
VI_ATTR_ASRL_DATA_BITS = 0x3FFF0022L
VI_ATTR_ASRL_PARITY = 0x3FFF0023L
VI_ATTR_ASRL_STOP_BITS = 0x3FFF0024L
VI_ATTR_ASRL_FLOW_CNTRL = 0x3FFF0025L
VI_ATTR_RD_BUF_OPER_MODE = 0x3FFF002AL
VI_ATTR_RD_BUF_SIZE = 0x3FFF002BL
VI_ATTR_WR_BUF_OPER_MODE = 0x3FFF002DL
VI_ATTR_WR_BUF_SIZE = 0x3FFF002EL
VI_ATTR_SUPPRESS_END_EN = 0x3FFF0036L
VI_ATTR_TERMCHAR_EN = 0x3FFF0038L
VI_ATTR_DEST_ACCESS_PRIV = 0x3FFF0039L
VI_ATTR_DEST_BYTE_ORDER = 0x3FFF003AL
VI_ATTR_SRC_ACCESS_PRIV = 0x3FFF003CL
VI_ATTR_SRC_BYTE_ORDER = 0x3FFF003DL
VI_ATTR_SRC_INCREMENT = 0x3FFF0040L
VI_ATTR_DEST_INCREMENT = 0x3FFF0041L
VI_ATTR_WIN_ACCESS_PRIV = 0x3FFF0045L
VI_ATTR_WIN_BYTE_ORDER = 0x3FFF0047L
VI_ATTR_GPIB_ATN_STATE = 0x3FFF0057L
VI_ATTR_GPIB_ADDR_STATE = 0x3FFF005CL
VI_ATTR_GPIB_CIC_STATE = 0x3FFF005EL
VI_ATTR_GPIB_NDAC_STATE = 0x3FFF0062L
VI_ATTR_GPIB_SRQ_STATE = 0x3FFF0067L
VI_ATTR_GPIB_SYS_CNTRL_STATE = 0x3FFF0068L
VI_ATTR_GPIB_HS488_CBL_LEN = 0x3FFF0069L
VI_ATTR_CMDR_LA = 0x3FFF006BL
VI_ATTR_VXI_DEV_CLASS = 0x3FFF006CL
VI_ATTR_MAINFRAME_LA = 0x3FFF0070L
VI_ATTR_MANF_NAME = 0xBFFF0072L
VI_ATTR_MODEL_NAME = 0xBFFF0077L
VI_ATTR_VXI_VME_INTR_STATUS = 0x3FFF008BL
VI_ATTR_VXI_TRIG_STATUS = 0x3FFF008DL
VI_ATTR_VXI_VME_SYSFAIL_STATE = 0x3FFF0094L
VI_ATTR_WIN_BASE_ADDR = 0x3FFF0098L
VI_ATTR_WIN_SIZE = 0x3FFF009AL
VI_ATTR_ASRL_AVAIL_NUM = 0x3FFF00ACL
VI_ATTR_MEM_BASE = 0x3FFF00ADL
VI_ATTR_ASRL_CTS_STATE = 0x3FFF00AEL
VI_ATTR_ASRL_DCD_STATE = 0x3FFF00AFL
VI_ATTR_ASRL_DSR_STATE = 0x3FFF00B1L
VI_ATTR_ASRL_DTR_STATE = 0x3FFF00B2L
VI_ATTR_ASRL_END_IN = 0x3FFF00B3L
VI_ATTR_ASRL_END_OUT = 0x3FFF00B4L
VI_ATTR_ASRL_REPLACE_CHAR = 0x3FFF00BEL
VI_ATTR_ASRL_RI_STATE = 0x3FFF00BFL
VI_ATTR_ASRL_RTS_STATE = 0x3FFF00C0L
VI_ATTR_ASRL_XON_CHAR = 0x3FFF00C1L
VI_ATTR_ASRL_XOFF_CHAR = 0x3FFF00C2L
VI_ATTR_WIN_ACCESS = 0x3FFF00C3L
VI_ATTR_RM_SESSION = 0x3FFF00C4L
VI_ATTR_VXI_LA = 0x3FFF00D5L
VI_ATTR_MANF_ID = 0x3FFF00D9L
VI_ATTR_MEM_SIZE = 0x3FFF00DDL
VI_ATTR_MEM_SPACE = 0x3FFF00DEL
VI_ATTR_MODEL_CODE = 0x3FFF00DFL
VI_ATTR_SLOT = 0x3FFF00E8L
VI_ATTR_INTF_INST_NAME = 0xBFFF00E9L
VI_ATTR_IMMEDIATE_SERV = 0x3FFF0100L
VI_ATTR_INTF_PARENT_NUM = 0x3FFF0101L
VI_ATTR_RSRC_SPEC_VERSION = 0x3FFF0170L
VI_ATTR_INTF_TYPE = 0x3FFF0171L
VI_ATTR_GPIB_PRIMARY_ADDR = 0x3FFF0172L
VI_ATTR_GPIB_SECONDARY_ADDR = 0x3FFF0173L
VI_ATTR_RSRC_MANF_NAME = 0xBFFF0174L
VI_ATTR_RSRC_MANF_ID = 0x3FFF0175L
VI_ATTR_INTF_NUM = 0x3FFF0176L
VI_ATTR_TRIG_ID = 0x3FFF0177L
VI_ATTR_GPIB_REN_STATE = 0x3FFF0181L
VI_ATTR_GPIB_UNADDR_EN = 0x3FFF0184L
VI_ATTR_DEV_STATUS_BYTE = 0x3FFF0189L
VI_ATTR_FILE_APPEND_EN = 0x3FFF0192L
VI_ATTR_VXI_TRIG_SUPPORT = 0x3FFF0194L
VI_ATTR_TCPIP_ADDR = 0xBFFF0195L
VI_ATTR_TCPIP_HOSTNAME = 0xBFFF0196L
VI_ATTR_TCPIP_PORT = 0x3FFF0197L
VI_ATTR_TCPIP_DEVICE_NAME = 0xBFFF0199L
VI_ATTR_TCPIP_NODELAY = 0x3FFF019AL
VI_ATTR_TCPIP_KEEPALIVE = 0x3FFF019BL
VI_ATTR_4882_COMPLIANT = 0x3FFF019FL
VI_ATTR_USB_SERIAL_NUM = 0xBFFF01A0L
VI_ATTR_USB_INTFC_NUM = 0x3FFF01A1L
VI_ATTR_USB_PROTOCOL = 0x3FFF01A7L
VI_ATTR_USB_MAX_INTR_SIZE = 0x3FFF01AFL
VI_ATTR_JOB_ID = 0x3FFF4006L
VI_ATTR_EVENT_TYPE = 0x3FFF4010L
VI_ATTR_SIGP_STATUS_ID = 0x3FFF4011L
VI_ATTR_RECV_TRIG_ID = 0x3FFF4012L
VI_ATTR_INTR_STATUS_ID = 0x3FFF4023L
VI_ATTR_STATUS = 0x3FFF4025L
VI_ATTR_RET_COUNT = 0x3FFF4026L
VI_ATTR_BUFFER = 0x3FFF4027L
VI_ATTR_RECV_INTR_LEVEL = 0x3FFF4041L
VI_ATTR_OPER_NAME = 0xBFFF4042L
VI_ATTR_GPIB_RECV_CIC_STATE = 0x3FFF4193L
VI_ATTR_RECV_TCPIP_ADDR = 0xBFFF4198L
VI_ATTR_USB_RECV_INTR_SIZE = 0x3FFF41B0L
VI_ATTR_USB_RECV_INTR_DATA = 0xBFFF41B1L
#
# Event Types
#
# All event codes are unsigned long, so no _to_int() is necessary.
#
VI_EVENT_IO_COMPLETION = 0x3FFF2009L
VI_EVENT_TRIG = 0xBFFF200AL
VI_EVENT_SERVICE_REQ = 0x3FFF200BL
VI_EVENT_CLEAR = 0x3FFF200DL
VI_EVENT_EXCEPTION = 0xBFFF200EL
VI_EVENT_GPIB_CIC = 0x3FFF2012L
VI_EVENT_GPIB_TALK = 0x3FFF2013L
VI_EVENT_GPIB_LISTEN = 0x3FFF2014L
VI_EVENT_VXI_VME_SYSFAIL = 0x3FFF201DL
VI_EVENT_VXI_VME_SYSRESET = 0x3FFF201EL
VI_EVENT_VXI_SIGP = 0x3FFF2020L
VI_EVENT_VXI_VME_INTR = 0xBFFF2021L
VI_EVENT_TCPIP_CONNECT = 0x3FFF2036L
VI_EVENT_USB_INTR = 0x3FFF2037L
VI_ALL_ENABLED_EVENTS = 0x3FFF7FFFL
#
# Values and Ranges
#
VI_FIND_BUFLEN = 256
VI_NULL = 0
VI_TRUE = 1
VI_FALSE = 0
VI_INTF_GPIB = 1
VI_INTF_VXI = 2
VI_INTF_GPIB_VXI = 3
VI_INTF_ASRL = 4
VI_INTF_TCPIP = 6
VI_INTF_USB = 7
VI_PROT_NORMAL = 1
VI_PROT_FDC = 2
VI_PROT_HS488 = 3
VI_PROT_4882_STRS = 4
VI_PROT_USBTMC_VENDOR = 5
VI_FDC_NORMAL = 1
VI_FDC_STREAM = 2
VI_LOCAL_SPACE = 0
VI_A16_SPACE = 1
VI_A24_SPACE = 2
VI_A32_SPACE = 3
VI_OPAQUE_SPACE = 0xFFFF
VI_UNKNOWN_LA = -1
VI_UNKNOWN_SLOT = -1
VI_UNKNOWN_LEVEL = -1
VI_QUEUE = 1
VI_HNDLR = 2
VI_SUSPEND_HNDLR = 4
VI_ALL_MECH = 0xFFFF
VI_ANY_HNDLR = 0
VI_TRIG_ALL = -2
VI_TRIG_SW = -1
VI_TRIG_TTL0 = 0
VI_TRIG_TTL1 = 1
VI_TRIG_TTL2 = 2
VI_TRIG_TTL3 = 3
VI_TRIG_TTL4 = 4
VI_TRIG_TTL5 = 5
VI_TRIG_TTL6 = 6
VI_TRIG_TTL7 = 7
VI_TRIG_ECL0 = 8
VI_TRIG_ECL1 = 9
VI_TRIG_PANEL_IN = 27
VI_TRIG_PANEL_OUT = 28
VI_TRIG_PROT_DEFAULT = 0
VI_TRIG_PROT_ON = 1
VI_TRIG_PROT_OFF = 2
VI_TRIG_PROT_SYNC = 5
VI_READ_BUF = 1
VI_WRITE_BUF = 2
VI_READ_BUF_DISCARD = 4
VI_WRITE_BUF_DISCARD = 8
VI_IO_IN_BUF = 16
VI_IO_OUT_BUF = 32
VI_IO_IN_BUF_DISCARD = 64
VI_IO_OUT_BUF_DISCARD = 128
VI_FLUSH_ON_ACCESS = 1
VI_FLUSH_WHEN_FULL = 2
VI_FLUSH_DISABLE = 3
VI_NMAPPED = 1
VI_USE_OPERS = 2
VI_DEREF_ADDR = 3
VI_TMO_IMMEDIATE = 0
# Attention! The following is *really* positive! (unsigned long)
VI_TMO_INFINITE = 0xFFFFFFFFL
VI_NO_LOCK = 0
VI_EXCLUSIVE_LOCK = 1
VI_SHARED_LOCK = 2
VI_LOAD_CONFIG = 4
VI_NO_SEC_ADDR = 0xFFFF
VI_ASRL_PAR_NONE = 0
VI_ASRL_PAR_ODD = 1
VI_ASRL_PAR_EVEN = 2
VI_ASRL_PAR_MARK = 3
VI_ASRL_PAR_SPACE = 4
VI_ASRL_STOP_ONE = 10
VI_ASRL_STOP_ONE5 = 15
VI_ASRL_STOP_TWO = 20
VI_ASRL_FLOW_NONE = 0
VI_ASRL_FLOW_XON_XOFF = 1
VI_ASRL_FLOW_RTS_CTS = 2
VI_ASRL_FLOW_DTR_DSR = 4
VI_ASRL_END_NONE = 0
VI_ASRL_END_LAST_BIT = 1
VI_ASRL_END_TERMCHAR = 2
VI_ASRL_END_BREAK = 3
VI_STATE_ASSERTED = 1
VI_STATE_UNASSERTED = 0
VI_STATE_UNKNOWN = -1
VI_BIG_ENDIAN = 0
VI_LITTLE_ENDIAN = 1
VI_DATA_PRIV = 0
VI_DATA_NPRIV = 1
VI_PROG_PRIV = 2
VI_PROG_NPRIV = 3
VI_BLCK_PRIV = 4
VI_BLCK_NPRIV = 5
VI_D64_PRIV = 6
VI_D64_NPRIV = 7
VI_WIDTH_8 = 1
VI_WIDTH_16 = 2
VI_WIDTH_32 = 4
VI_GPIB_REN_DEASSERT = 0
VI_GPIB_REN_ASSERT = 1
VI_GPIB_REN_DEASSERT_GTL = 2
VI_GPIB_REN_ASSERT_ADDRESS = 3
VI_GPIB_REN_ASSERT_LLO = 4
VI_GPIB_REN_ASSERT_ADDRESS_LLO = 5
VI_GPIB_REN_ADDRESS_GTL = 6
VI_GPIB_ATN_DEASSERT = 0
VI_GPIB_ATN_ASSERT = 1
VI_GPIB_ATN_DEASSERT_HANDSHAKE = 2
VI_GPIB_ATN_ASSERT_IMMEDIATE = 3
VI_GPIB_HS488_DISABLED = 0
VI_GPIB_HS488_NIMPL = -1
VI_GPIB_UNADDRESSED = 0
VI_GPIB_TALKER = 1
VI_GPIB_LISTENER = 2
VI_VXI_CMD16 = 0x0200
VI_VXI_CMD16_RESP16 = 0x0202
VI_VXI_RESP16 = 0x0002
VI_VXI_CMD32 = 0x0400
VI_VXI_CMD32_RESP16 = 0x0402
VI_VXI_CMD32_RESP32 = 0x0404
VI_VXI_RESP32 = 0x0004
VI_ASSERT_SIGNAL = -1
VI_ASSERT_USE_ASSIGNED = 0
VI_ASSERT_IRQ1 = 1
VI_ASSERT_IRQ2 = 2
VI_ASSERT_IRQ3 = 3
VI_ASSERT_IRQ4 = 4
VI_ASSERT_IRQ5 = 5
VI_ASSERT_IRQ6 = 6
VI_ASSERT_IRQ7 = 7
VI_UTIL_ASSERT_SYSRESET = 1
VI_UTIL_ASSERT_SYSFAIL = 2
VI_UTIL_DEASSERT_SYSFAIL = 3
VI_VXI_CLASS_MEMORY = 0
VI_VXI_CLASS_EXTENDED = 1
VI_VXI_CLASS_MESSAGE = 2
VI_VXI_CLASS_REGISTER = 3
VI_VXI_CLASS_OTHER = 4
# "Backwards compatibility" according to NI
VI_NORMAL = VI_PROT_NORMAL
VI_FDC = VI_PROT_FDC
VI_HS488 = VI_PROT_HS488
VI_ASRL488 = VI_PROT_4882_STRS
VI_ASRL_IN_BUF = VI_IO_IN_BUF
VI_ASRL_OUT_BUF = VI_IO_OUT_BUF
VI_ASRL_IN_BUF_DISCARD = VI_IO_IN_BUF_DISCARD
VI_ASRL_OUT_BUF_DISCARD = VI_IO_OUT_BUF_DISCARD
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