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Description of the data path
OSCAR Technical Manual V2.4.0
62
If the image capture is active (e.g. IsoEnable set in register 614h), the
frames used by the camera for white balance are also output on the 1394 bus.
Any previously active image capture is restarted after the completion of
white balance.
Automatic white balance can also be enabled by using an external trigger.
However, if there is a pause of >10 seconds between capturing individual
frames, this process is aborted.
The following flow diagram illustrates the automatic white balance sequence.
Finally, the calculated correction values can be read from the
WHITE_BALANCE register 80Ch.
Figure 28: Auto white balance sequence
Pause image
capture
Capture image
via One_shot
Calculate and
set correction
values
Restart image
capture if
necessary
Repeat steps
nine times