Dataman 520 Series - Manual (Page 12)

Development kit for DATAMAN 520 series
Programmer’s Guide
typedef _export _stdcall int (*fSetTriggerCount) (int InputValue, int
LevelSelector);
TSetTriggerCount = function (InputValue: Integer; LevelSelector: Integer):
Integer; stdcall;
Public Declare Function SetTriggerCount Lib "VBDevKit52X.dll" (ByVal
InputValue As Long, ByVal LevelSelector As Long) As Long
Parameters:
InputValue – Desired count of occurence. Valid range is <0, 32767>
LevelSelector – Specifies affected trigger system level. Valid values are
TRIGGER_LEVEL_PRIMARY or TRIGGER_LEVEL_SECONDARY constants .
Return Value:
ERROR_OK – Function call successfuly completed
ERROR_DEVELOPMENT_KIT_NOT_ENABLED – DK can not be used with
connected device (DK was not purchased)
ERROR_USB_COMMUNICATION_FAILED
– USB communication failed
SetTriggerLength
Sets desired minimal length of valid trigger event. For more information see the
DATAMAN 520 oscilloscope user’s guide, chapters about triggering system
filters.
Declaration:
typedef _export _stdcall int (*fSetTriggerLength)(int SamplesCount, int
LevelSelector);
TSetTriggerLength = function (SamplesCount: Integer; LevelSelector:
Integer): Integer; stdcall;
Public Declare Function SetTriggerLength Lib "VBDevKit52X.dll" (ByVal
SamplesCount As Long, ByVal LevelSelector As Long) As Long
Parameters:
InputValue – Desired length of valid trigger event (samples count). Valid
values are 0, 8 and multiples of 4 from range <12, 131068>.
LevelSelector – Specifies which trigger system level is affected. Valid values
are TRIGGER_LEVEL_PRIMARY or TRIGGER_LEVEL_SECONDARY
constants .
Return Value:
ERROR_OK – Function call successfuly completed
ERROR_DEVELOPMENT_KIT_NOT_ENABLED – DK can not be used with
connected device (DK was not purchased)
ERROR_USB_COMMUNICATION_FAILED
– USB communication failed
SetTriggerMode
Sets trigger mode.
Declaration:
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