AW00123409000 Image Acquisition Control
Basler ace USB 3.0 165
6.8.3 Acquisition Status Indicator
If a camera receives a software frame burst start trigger signal when it is not in a "waiting for frame
burst start trigger" acquisition status, it will simply ignore the trigger signal and will generate a frame
burst start overtrigger event.
If a camera receives a software frame start trigger signal when it is not in a "waiting for frame start
trigger" acquisition status, it will simply ignore the trigger signal and will generate a frame start
overtrigger event.
The camera’s acquisition status indicator gives you the ability to check whether the camera is in a
"waiting for frame burst start trigger" acquisition status or in a "waiting for frame start trigger"
acquisition status. If you check the acquisition status before you apply each software frame burst
start trigger signal or each software frame start trigger signal, you can avoid applying trigger signals
to the camera that will be ignored.
The acquisition status indicator is designed for use when you are using host control of image
acquisition, i.e., when you are using software frame burst start trigger and frame start trigger
signals.
To determine the acquisition status of the camera via the Basler pylon API:
Use the Acquisition Status Selector to select the Frame Burst Trigger Wait status or the Frame
Trigger Wait status.
Read the value of the Acquisition Status parameter.
If the value is set to "false", the camera is not waiting for the trigger signal.
If the value is set to "true", the camera is waiting for the trigger signal.
You can check the acquisition status from within your application software by using the Basler pylon
API. The following code snippet illustrates using the API to check the acquisition status:
// Check the frame burst start trigger acquisition status
// Set the acquisition status selector
camera.AcquisitionStatusSelector.SetValue(AcquisitionStatusSelector_F
rameBurstTriggerWait);
// Read the acquisition status
bool a = camera.AcquisitionStatus.GetValue();
// Check the frame start trigger acquisition status
// Set the acquisition status selector
camera.AcquisitionStatusSelector.SetValue(AcquisitionStatusSelector_F
rameTriggerWait);
// Read the acquisition status
bool b = camera.AcquisitionStatus.GetValue();
You can also use the Basler pylon Viewer application to easily set the parameters.
For more information about the pylon API and pylon Viewer, see Section 3.1 on page 61.
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