Al_settrigsourcesignal – Measurement Computing ADLIB WIN User Manual
Page 72

Chapter 20 Triggering Modes
19-4
19.3 AL_SetTrigSourceSignal
Prototype
C\C++
ERRNUM
AL_SetTrigSourceSignal(LHLD
lhld, LPSTR lpstrSourceSignal);
Visual Basic for Windows
Function
AL_SetTrigSourceSignal(ByVal
lhld As Long,
ByVal lpstrSourceSignal As String) As Long
LHLD lhld
handle of the LDSD
LPSTR lpstrSourceSignal
address of the trigger source signal string
The AL_SetTrigSourceSignal function sets the hardware trigger source signal of the LDSD.
Parameter
Description
lhld
Identifies the instance of the logical device subsystem.
lpstrSourceSignal Points to the desired trigger source signal string. The available string
settings are device independent and are verified by ADLIB against the
available trigger source signal 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_SetTriggerSource
AL_SetPostSampleCount
AL_GetTriggerStruct
AL_SetTriggerOutput
AL_GetTriggerOutput
Supported Logical Device Subsystems:
Pci55xx Series: ADC0, DAC0, Options:
“FALLING_EDGE“ or “RISING_EDGE“