VI_ATTR_TMO_VALUE = 2000
VI_ATTR_MAX_QUEUE_LENGTH = 50
VI_ATTR_TERMCHAR = 0x0A
VI_ATTR_TERMCHAR_EN = VI_FALSE
VI_ATTR_IO_PROT = 1
VI_ATTR_SUPPRESS_END_EN = VI_FALSE
VI_ATTR_USB_MAX_INTR_SIZE = 1
VI_ATTR_USB_CTRL_PIPE = 0x0000
VI_ATTR_USB_BULK_OUT_PIPE = 0x0002
VI_ATTR_USB_BULK_IN_PIPE = 0x0081
VI_ATTR_USB_INTR_IN_PIPE = 0xFFFF
VI_ATTR_USB_ALT_SETTING = 0
VI_ATTR_USB_BULK_OUT_STATUS = 0
VI_ATTR_USB_BULK_IN_STATUS = 0
VI_ATTR_USB_INTR_IN_STATUS = -1
VI_ATTR_USB_END_IN = 5