Winford Engineering Portal API Reference

Functions:

Error Codes: (These are defined in the header file for C/C++ and the module file for Visual Basic)

WECRD_SUCCESS = 0: No error occurred
WECRD_GENERAL_ERROR = -1: Miscellaneous error
WECRD_IO_ERROR = -10: unable to read or write a port. In Linux, this may result from improper permissions on /dev/port
WECRD_INVALID_HANDLE = -101: No card is currently open with that handle
WECRD_INVALID_MODEL = -102: Model was invalid (doesn't exist)
WECRD_INVALID_ADDRESS = -103: Address invalid for the specified model
WECRD_INVALID_PORT = -104: Port specified is invalid for the card model
WECRD_INVALID_PORTMODE = -105: There is no such mode for that port, or that mode is currently unavailable
WECRD_INVALID_PORTVALUE = -106: Value passed is out of valid range
WECRD_ADDRESS_CONFLICT = -114: Desired address conflicts with an opened card (Card may have been previously opened and never closed)
WECRD_CARD_NOTFOUND = -115: Card doesn't seem to exist at that address
WECRD_WRONG_PORTMODE = -150: Card is not in the correct mode. (such as calling we_OutputValue when the port is in input mode)

Card Model Constants: (These are the valid values that may be passed to we_OpenCard for ModelID)

Other Constants:

WECRD_INPUT = 1: Configures a port to be in input mode. WECRD_INPUT and WECRD_OUTPUT are used for the Mode parameter in the we_ConfigureCard function.
WECRD_OUTPUT = 2: Configures a port to be in output mode.