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4.3 Frame Control
Figure 4.5: Frame Control Block
As soon as the acquisition is active the camera is ready to capture frames, which is controlled by
the frame control block. The behaviour depends on the frame start trigger, frame burst start
trigger and frame burst end trigger configuration.
4.3.1 Frame Start Trigger
The frame start trigger can be used to start a single frame capture. The main property of this
trigger is the trigger mode. It can be set to on or off:
Frame Start Trigger Mode = on As soon as a frame start trigger has been received, a capture of
one frame will be started and the frame status goes to "Frame Active". Once one frame
has been processed, that camera status goes to "Frame Trigger Wait" again. The camera
is ready to process frame start triggers, when the acquisition is active, showed by the
"Acquisition Active" status, and when the "Frame Trigger Wait" status is asserted.
Frame Start Trigger Mode = off The frame start triggers are ignored.
The camera runs in free-running mode when the mode of both triggers, the
frame start trigger and frame burst start trigger, is set to off and the exposure
mode is set to "Timed" (see Section 4.4.1 for more information about the expo-
sure mode).
Fig. 4.6 shows the procedure of a single frame capture started with a frame start trigger. The
acquisition start trigger mode is off, so the camera waits for a frame start trigger once the
acquisition command has been executed. Every receiving frame start trigger starts a capture of
one single frame.
4.3.2 Frame Burst Start Trigger
The frame burst start trigger can be used to start a burst of frame capture. The main property
of this trigger is the trigger mode. It can be set to on or off:
Frame Burst Start Trigger Mode = on As soon as a frame burst start trigger has been received,
a capture of a burst of frames has been started and the frame status goes to "Frame
Active". The number of frames is defined by the "Acquisition Burst Frame Count" value.
The camera goes to "Frame Trigger Wait" again, when the configured number of burst
frames has been captured. The camera is ready to process a frame burst start trigger,
when the acquisition is active, showed by the "Acquisition Active" status, and when the
"Frame Trigger Wait" status is asserted. The frame rate of a burst sequence is configured
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4.3 Frame Control
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