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ppxSetDefaultPattern

Description

Sets the default pattern for a connection.

Prototype

DWORD ppxSetDefaultPattern ( PPXHD ppxhd,
BYTE pattern )
ppxhd Handle returned by ppxCreateConnection or by ppxOpenConnection.
pattern Default pattern (e.g., 0x7F for mu-law, or 0xD5 for A-law).

Return Values

SUCCESS
CTAERR_DRIVER_ERRORThe underlying driver retrieved an unrecognized error. Call swiGetLastError to retrieve the MVIP device error code.
CTAERR_INVALID_HANDLEppxhd is not a valid connection handle.
CTAERR_OUT_OF_MEMORYUnable to allocate memory.
PPXERR_COMM_FAILUREProblems were encountered when communicating with the PPX server.
PPXERR_DRIVER_OPEN_FAILEDThe driver open failed, or the driver DLL or device was not found.
SWIERR_INVALID_STREAMOne or more of the streams specified is invalid.
SWIERR_INVALID_TIMESLOTOne or more of the timeslots specified is invalid.

Events

None.

Details

This function sets the default pattern (8-bit fixed pattern) for a connection. If there are listeners attached to the connection, but no talker attached, the default pattern is sent to the listeners. If listeners are connected to a connection and the talker is removed, the default pattern is sent to the listeners.

See Also

ppxAddListeners

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