Measurement-computing ADLIB WIN Manual de usuario descargar pdf (Pagina 87)

Chapter 22 Gating Modes

21-3

21.3 AL_GetGateStruct

Prototype C\C++

ERRNUM AL_GetGateStruct(LHLD lhld, LPGATE lpgateStruct);

Visual Basic for Windows

Function AL_GetGateStruct(ByVal lhld As Long, lpgateStruct As GATE) As Long

LHLD lhld handle of the LDSD

LPGATE lpgateStruct address of the user gate structure

The AL_GetGateStruct function provides access to all LDSD gate settings.

Parameter Description

lhld Identifies the instance of the logical device subsystem.

lpgateStruct Specifies a 32 bit far pointer to a gate information structure. This structure has

been pre-defined in the ADLIB include file and is defined as follows:

typedef struct tagGATE

{

char achGateSourceName[MAX_OPTIONS_NAME_STRING];

long lGateSourceId;

long lGateLevel;

}GATE;

typedef GATE FAR * LPGATE;

Returns:

On success ERRNUM is set to 1 and the lpgateStruct structure is filled with the device's gate settings,

otherwise ERRNUM contains the last error code that occurred during the call and the lpgateStruct structure

may contain invalid information.

Related Functions:

AL_SetGateSource

AL_SetGateLevel

AL_SetSwGate

AL_GetSwGate

Supported Logical Device Subsystems:

Pci55xx Series: ADC0, DAC0

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Measurement-computing ADLIB WIN Manual de usuario Pagina 87