Measurement-computing ADLIB WIN Manuale Utente Scaricare il pdf (Pagina 132)

Chapter 40 Buffer Handler Functions

27-12

27.11 AL_SetBufferDoneHandlerFunc

Prototype C\C++

ERRNUM AL_SetBufferDoneHandlerFunc(LHLD lhld,

LPBUFFHAND lpfnBufferCbHandlerProc);

LHLD lhld handle of the LDSD

LPBUFFHAND lpfnBufferCbHandlerProc Address of the callback function

The AL_SetBufferDoneHandlerFunc function sets the buffer done handler CALLBACK address

identifier in the LDSD when the ADLIB function AL_SetBufferDoneHandler is set to AL_CALLBACK.

The Prototype for the CALLBACK is:

long __stdcall BufferCbHandlerProc(long lBufferNum, LPBUFFSTRUCT lpbuff, DWORD dwSeqCount,

LPVOID lpvoid)

Parameter Description

lhld Identifies the instance of the logical device subsystem.

lpfnBufferCbHandlerProc Specifies the address of the callback function.

Returns:

On success ERRNUM is set to 1, otherwise ERRNUM contains the last error code that occurred during the

call.

Related Functions:

AL_SetBufferDoneHandler

Supported Logical Device Subsystems:

Pci55xx Series: ADC0, DAC0, DAC1

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Measurement-computing ADLIB WIN Manuale Utente Pagina 132