Global Const VI_ERROR_INV_RSRC_NAME = &HBFFF0012
Global Const VI_ERROR_INV_ACC_MODE = &HBFFF0013
Global Const VI_ERROR_TMO = &HBFFF0015
Global Const VI_ERROR_CLOSING_FAILED = &HBFFF0016
Global Const VI_ERROR_INV_DEGREE = &HBFFF001B
Global Const VI_ERROR_INV_JOB_ID = &HBFFF001C
Global Const VI_ERROR_NSUP_ATTR = &HBFFF001D
Global Const VI_ERROR_NSUP_ATTR_STATE = &HBFFF001E
Global Const VI_ERROR_ATTR_READONLY = &HBFFF001F
Global Const VI_ERROR_INV_LOCK_TYPE = &HBFFF0020
Global Const VI_ERROR_INV_ACCESS_KEY = &HBFFF0021
Global Const VI_ERROR_INV_EVENT = &HBFFF0026
Global Const VI_ERROR_INV_MECH = &HBFFF0027
Global Const VI_ERROR_HNDLR_NINSTALLED = &HBFFF0028
Global Const VI_ERROR_INV_HNDLR_REF = &HBFFF0029
Global Const VI_ERROR_INV_CONTEXT = &HBFFF002A
Global Const VI_ERROR_NENABLED = &HBFFF002F
Global Const VI_ERROR_ABORT = &HBFFF0030
Global Const VI_ERROR_RAW_WR_PROT_VIOL = &HBFFF0034
Global Const VI_ERROR_RAW_RD_PROT_VIOL = &HBFFF0035
Global Const VI_ERROR_OUTP_PROT_VIOL = &HBFFF0036
Global Const VI_ERROR_INP_PROT_VIOL = &HBFFF0037
Global Const VI_ERROR_BERR = &HBFFF0038
Global Const VI_ERROR_IN_PROGRESS = &HBFFF0039
Global Const VI_ERROR_INV_SETUP = &HBFFF003A
Global Const VI_ERROR_QUEUE_ERROR = &HBFFF003B
Global Const VI_ERROR_ALLOC = &HBFFF003C
Global Const VI_ERROR_INV_MASK = &HBFFF003D
Global Const VI_ERROR_IO = &HBFFF003E
Global Const VI_ERROR_INV_FMT = &HBFFF003F
Global Const VI_ERROR_NSUP_FMT = &HBFFF0041
Global Const VI_ERROR_LINE_IN_USE = &HBFFF0042
Global Const VI_ERROR_NSUP_MODE = &HBFFF0046
Global Const VI_ERROR_SRQ_NOCCURRED = &HBFFF004A
Global Const VI_ERROR_INV_SPACE = &HBFFF004E
Global Const VI_ERROR_INV_OFFSET = &HBFFF0051
Global Const VI_ERROR_INV_WIDTH = &HBFFF0052
Global Const VI_ERROR_NSUP_OFFSET = &HBFFF0054
Global Const VI_ERROR_NSUP_VAR_WIDTH = &HBFFF0055
Global Const VI_ERROR_WINDOW_NMAPPED = &HBFFF0057
Global Const VI_ERROR_RESP_PENDING = &HBFFF0059
Global Const VI_ERROR_NLISTENERS = &HBFFF005F
Global Const VI_ERROR_NCIC = &HBFFF0060
Global Const VI_ERROR_NSYS_CNTLR = &HBFFF0061
Global Const VI_ERROR_NSUP_OPER = &HBFFF0067
Global Const VI_ERROR_INTR_PENDING = &HBFFF0068
Global Const VI_ERROR_ASRL_PARITY = &HBFFF006A
Global Const VI_ERROR_ASRL_FRAMING = &HBFFF006B
Global Const VI_ERROR_ASRL_OVERRUN = &HBFFF006C
Global Const VI_ERROR_TRIG_NMAPPED = &HBFFF006E
Global Const VI_ERROR_NSUP_ALIGN_OFFSET = &HBFFF0070
Global Const VI_ERROR_USER_BUF = &HBFFF0071
Global Const VI_ERROR_RSRC_BUSY = &HBFFF0072
Global Const VI_ERROR_NSUP_WIDTH = &HBFFF0076
Global Const VI_ERROR_INV_PARAMETER = &HBFFF0078
Global Const VI_ERROR_INV_PROT = &HBFFF0079
Global Const VI_ERROR_INV_SIZE = &HBFFF007B
Global Const VI_ERROR_WINDOW_MAPPED = &HBFFF0080
Global Const VI_ERROR_NIMPL_OPER = &HBFFF0081
Global Const VI_ERROR_INV_LENGTH = &HBFFF0083
Global Const VI_ERROR_INV_MODE = &HBFFF0091
Global Const VI_ERROR_SESN_NLOCKED = &HBFFF009C
Global Const VI_ERROR_MEM_NSHARED = &HBFFF009D
Global Const VI_ERROR_LIBRARY_NFOUND = &HBFFF009E
Global Const VI_ERROR_NSUP_INTR = &HBFFF009F
Global Const VI_ERROR_INV_LINE = &HBFFF00A0
Global Const VI_ERROR_FILE_ACCESS = &HBFFF00A1
Global Const VI_ERROR_FILE_IO = &HBFFF00A2
Global Const VI_ERROR_NSUP_LINE = &HBFFF00A3
Global Const VI_ERROR_NSUP_MECH = &HBFFF00A4
Global Const VI_ERROR_INTF_NUM_NCONFIG = &HBFFF00A5
Global Const VI_ERROR_CONN_LOST = &HBFFF00A6

' - Other VISA Definitions ------------------------------------------------

Global Const VI_FIND_BUFLEN = 256

Global Const VI_NULL = 0
Global Const VI_TRUE = 1
Global Const VI_FALSE = 0

Global Const VI_INTF_GPIB = 1
Global Const VI_INTF_VXI = 2
Global Const VI_INTF_GPIB_VXI = 3
Global Const VI_INTF_ASRL = 4
Global Const VI_INTF_TCPIP = 6
Global Const VI_INTF_USB = 7

Global Const VI_PROT_NORMAL = 1
Global Const VI_PROT_FDC = 2
Global Const VI_PROT_HS488 = 3
Global Const VI_PROT_4882_STRS = 4
Global Const VI_PROT_USBTMC_VENDOR = 5

Global Const VI_FDC_NORMAL = 1
Global Const VI_FDC_STREAM = 2

Global Const VI_LOCAL_SPACE = 0
Global Const VI_A16_SPACE = 1
Global Const VI_A24_SPACE = 2
Global Const VI_A32_SPACE = 3
Global Const VI_OPAQUE_SPACE = &HFFFF

Global Const VI_UNKNOWN_LA = -1
Global Const VI_UNKNOWN_SLOT = -1
Global Const VI_UNKNOWN_LEVEL = -1

Global Const VI_QUEUE = 1
Global Const VI_ALL_MECH = &HFFFF

Global Const VI_TRIG_ALL = -2
Global Const VI_TRIG_SW = -1
Global Const VI_TRIG_TTL0 = 0
Global Const VI_TRIG_TTL1 = 1
Global Const VI_TRIG_TTL2 = 2
Global Const VI_TRIG_TTL3 = 3
Global Const VI_TRIG_TTL4 = 4
Global Const VI_TRIG_TTL5 = 5
Global Const VI_TRIG_TTL6 = 6
Global Const VI_TRIG_TTL7 = 7
Global Const VI_TRIG_ECL0 = 8
Global Const VI_TRIG_ECL1 = 9
Global Const VI_TRIG_PANEL_IN = 27
Global Const VI_TRIG_PANEL_OUT = 28

Global Const VI_TRIG_PROT_DEFAULT = 0
Global Const VI_TRIG_PROT_ON = 1
Global Const VI_TRIG_PROT_OFF = 2
Global Const VI_TRIG_PROT_SYNC = 5

Global Const VI_READ_BUF = 1
Global Const VI_WRITE_BUF = 2
Global Const VI_READ_BUF_DISCARD = 4
Global Const VI_WRITE_BUF_DISCARD = 8
Global Const VI_IO_IN_BUF = 16
Global Const VI_IO_OUT_BUF = 32
Global Const VI_IO_IN_BUF_DISCARD = 64
Global Const VI_IO_OUT_BUF_DISCARD = 128

Global Const VI_FLUSH_ON_ACCESS = 1
Global Const VI_FLUSH_WHEN_FULL = 2
Global Const VI_FLUSH_DISABLE = 3

Global Const VI_NMAPPED = 1
Global Const VI_USE_OPERS = 2
Global Const VI_DEREF_ADDR = 3

Global Const VI_TMO_IMMEDIATE = &H0&
Global Const VI_TMO_INFINITE = &HFFFFFFFF

Global Const VI_NO_LOCK = 0
Global Const VI_EXCLUSIVE_LOCK = 1
Global Const VI_SHARED_LOCK = 2
Global Const VI_LOAD_CONFIG = 4

Global Const VI_NO_SEC_ADDR = &HFFFF

Global Const VI_ASRL_PAR_NONE = 0
Global Const VI_ASRL_PAR_ODD = 1
Global Const VI_ASRL_PAR_EVEN = 2
Global Const VI_ASRL_PAR_MARK = 3
Global Const VI_ASRL_PAR_SPACE = 4

Global Const VI_ASRL_STOP_ONE = 10
Global Const VI_ASRL_STOP_ONE5 = 15
Global Const VI_ASRL_STOP_TWO = 20

Global Const VI_ASRL_FLOW_NONE = 0
Global Const VI_ASRL_FLOW_XON_XOFF = 1
Global Const VI_ASRL_FLOW_RTS_CTS = 2
Global Const VI_ASRL_FLOW_DTR_DSR = 4

Global Const VI_ASRL_END_NONE = 0
Global Const VI_ASRL_END_LAST_BIT = 1
Global Const VI_ASRL_END_TERMCHAR = 2
Global Const VI_ASRL_END_BREAK = 3

Global Const VI_STATE_ASSERTED = 1
Global Const VI_STATE_UNASSERTED = 0
Global Const VI_STATE_UNKNOWN = -1
 
Global Const VI_BIG_ENDIAN = 0
Global Const VI_LITTLE_ENDIAN = 1
 
Global Const VI_DATA_PRIV = 0
Global Const VI_DATA_NPRIV = 1
Global Const VI_PROG_PRIV = 2
Global Const VI_PROG_NPRIV = 3
Global Const VI_BLCK_PRIV = 4
Global Const VI_BLCK_NPRIV = 5
Global Const VI_D64_PRIV = 6
Global Const VI_D64_NPRIV = 7
 
Global Const VI_WIDTH_8 = 1
Global Const VI_WIDTH_16 = 2
Global Const VI_WIDTH_32 = 4

Global Const VI_GPIB_REN_DEASSERT = 0
Global Const VI_GPIB_REN_ASSERT = 1
Global Const VI_GPIB_REN_DEASSERT_GTL = 2
Global Const VI_GPIB_REN_ASSERT_ADDRESS = 3
Global Const VI_GPIB_REN_ASSERT_LLO = 4
Global Const VI_GPIB_REN_ASSERT_ADDRESS_LLO = 5
Global Const VI_GPIB_REN_ADDRESS_GTL = 6

Global Const VI_GPIB_ATN_DEASSERT = 0
Global Const VI_GPIB_ATN_ASSERT = 1
Global Const VI_GPIB_ATN_DEASSERT_HANDSHAKE = 2
Global Const VI_GPIB_ATN_ASSERT_IMMEDIATE = 3

Global Const VI_GPIB_HS488_DISABLED = 0
Global Const VI_GPIB_HS488_NIMPL = -1

Global Const VI_GPIB_UNADDRESSED = 0
Global Const VI_GPIB_TALKER = 1
Global Const VI_GPIB_LISTENER = 2

Global Const VI_VXI_CMD16 = &H200
Global Const VI_VXI_CMD16_RESP16 = &H202
Global Const VI_VXI_RESP16 = &H2
Global Const VI_VXI_CMD32 = &H400
Global Const VI_VXI_CMD32_RESP16 = &H402
Global Const VI_VXI_CMD32_RESP32 = &H404
Global Const VI_VXI_RESP32 = &H4

Global Const VI_ASSERT_SIGNAL = -1
Global Const VI_ASSERT_USE_ASSIGNED = 0
Global Const VI_ASSERT_IRQ1 = 1
Global Const VI_ASSERT_IRQ2 = 2
Global Const VI_ASSERT_IRQ3 = 3
Global Const VI_ASSERT_IRQ4 = 4
Global Const VI_ASSERT_IRQ5 = 5
Global Const VI_ASSERT_IRQ6 = 6
Global Const VI_ASSERT_IRQ7 = 7

Global Const VI_UTIL_ASSERT_SYSRESET = 1
Global Const VI_UTIL_ASSERT_SYSFAIL = 2
Global Const VI_UTIL_DEASSERT_SYSFAIL = 3

Global Const VI_VXI_CLASS_MEMORY = 0
Global Const VI_VXI_CLASS_EXTENDED = 1
Global Const VI_VXI_CLASS_MESSAGE = 2
Global Const VI_VXI_CLASS_REGISTER = 3
Global Const VI_VXI_CLASS_OTHER = 4

' - Backward Compatibility Macros -----------------------------------------

Global Const VI_ERROR_INV_SESSION = &HBFFF000E
Global Const VI_INFINITE = &HFFFFFFFF

Global Const VI_NORMAL = 1
Global Const VI_FDC = 2
Global Const VI_HS488 = 3
Global Const VI_ASRL488 = 4

Global Const VI_ASRL_IN_BUF = 16
Global Const VI_ASRL_OUT_BUF = 32
Global Const VI_ASRL_IN_BUF_DISCARD = 64
Global Const VI_ASRL_OUT_BUF_DISCARD = 128