Al_settriggersource – Measurement Computing ADLIB WIN User Manual

Page 71

Advertising
background image

Chapter 20 Triggering Modes

19-3

19.2 AL_SetTriggerSource

Prototype

C\C++

ERRNUM

AL_SetTriggerSource(LHLD

lhld, LPSTR lpstrSource);


Visual Basic for Windows

Function

AL_SetTriggerSource(ByVal

lhld As Long,

ByVal lpstrSource As String) As Long

LHLD lhld

handle of the LDSD

LPSTR lpstrSource

address of the trigger source string


The AL_SetTriggerSource function sets the hardware trigger source of the LDSD.

Parameter

Description

lhld

Identifies the instance of the logical device subsystem.


lpstrSource

Points to the desired trigger source string. The available string settings are

device independent and are verified by ADLIB against the available trigger

source options specified in the device's capabilities file.


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

Related Functions:
AL_SetTriggerMode
AL_SetTrigSourceSignal
AL_SetPostSampleCount
AL_GetTriggerStruct
AL_SetTriggerOutput
AL_GetTriggerOutput

Supported Logical Device Subsystems:

Pci55xx Series: ADC0, DAC0, Options:

DISABLED or “EXTERNAL”

Advertising