Is_Setexternaltrigger - THORLABS DCU223x Operation Manual And Sdk

4.3.83 is_SetExternalTrigger

USB 2.0
USB 3.0
Syntax
INT is_SetExternalTrigger (HIDS hCam, INT nTriggerMode)
Description
Using is_SetExternalTrigger(), you can activate the trigger mode. If the camera is in standby mode, it quits
this mode and activates trigger mode.
In hardware trigger mode, image capture is delayed for each function call until the selected trigger event has
occurred.
In software trigger mode, an image is captured immediately when
continuous triggered capture is started when
can use the
is_ForceTrigger()
When you disable the trigger functionality, you can query the signal level at the trigger input. This option causes the
camera to change to freerun mode.
For further information on the image capture modes of the DCx camera, see
Input parameters
hCam
nTriggerMode
IS_SET_TRIGGER_OFF
IS_SET_TRIGGER_HI_LO
IS_SET_TRIGGER_LO_HI
IS_SET_TRIGGER_PRE_HI_LO
IS_SET_TRIGGER_PRE_LO_HI
IS_SET_TRIGGER_HI_LO_SYNC
IS_SET_TRIGGER_LO_HI_SYNC
IS_SET_TRIGGER_SOFTWARE
IS_GET_EXTERNALTRIGGER
IS_GET_TRIGGER_STATUS
IS_GET_SUPPORTED_TRIGGER_M
ODE
Return values
When used with
IS_GET_EXTERNALTRIGGER
When used with
IS_GET_TRIGGER_STATUS
When used with
IS_GET_SUPPORTED_TRIGGER_MODE
IS_INVALID_CAPTURE_MODE
IS_INVALID_CAMERA_HANDLE
© 2013 Thorlabs GmbH
USB 2.0
USB 3.0
is_CaptureVideo()
command to trigger an image capture even if no electric signal is present.
221
Camera handle
Trigger mode
Off
Hardware trigger
Hardware trigger
(Not supported by DCx Cameras)
(Not supported by DCx Cameras)
(Not supported by DCx Cameras)
(Not supported by DCx Cameras)
Software trigger
Returns the trigger mode setting
Returns the current signal level at the trigger input
Returns the supported trigger modes
Returns the current setting
Returns the current signal level at the trigger input
Returns the supported modes linked by logical ORs
The function can not be executed in the current camera
operating mode (free run, trigger or standby).
Invalid camera handle
4 Programming (SDK)
is_FreezeVideo()
is called. In hardware trigger mode, you
177
How to proceed: Image capture
Trigger event
-
Falling signal edge
Rising signal edge
Call of
is_FreezeVideo()
(single frame mode)
Call of
is_CaptureVideo()
(continuous mode)
is called, or a
223
.
134
223
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