beautypg.com

Settriggercount, Settriggerlength, Settriggermode – Dataman 770 Series User Manual

Page 18

background image


Development kit for DATAMAN 770 series

Programmer’s Guide

Public Declare Sub SetTriggerLevel Lib "m770drvdk.dll" (ByVal channel As

Long, ByVal level As Long)

Parameters:
channel – determines channel

CHANNEL_A – channel A

CHANNEL_B – channel B

level – determines quantization level (0 to 255), which will be considered as threshold

Return value: -

3.3.6. SetTriggerCount

Sets amount of trigger events necessary to start acquisition on the selected trigger
level.

Public Declare Sub SetTriggerCount Lib "m770drvdk.dll" (ByVal level As

Long, ByVal amount As Long)

Parameters:

level – determines level of the trigger system

TRIGGER_LEVEL_PRIMARY – primary level

TRIGGER_LEVEL_SECONDARY – secondary level

amount – amount of trigger events necessary to start acquisition


Return value: -

3.3.7. SetTriggerLength

Sets minimal length of valid trigger event.

Public Declare Sub SetTriggerLength Lib "m770drvdk.dll" (ByVal level As

Long, ByVal samples As Long)

Parameters:
level – determines level of the trigger system

TRIGGER_LEVEL_PRIMARY – primary level

TRIGGER_LEVEL_SECONDARY – secondary level

samples – minimal length of the valid trigger event from 8 to 131068 with step of 4.
Value 0 turns the digital filter off.

Return value: -

3.3.8. SetTriggerMode

Sets trigger mode.

Public Declare Sub SetTriggerMode Lib "m770drvdk.dll" (ByVal mode As

Long)

- 18 -