
Description of the data path
PIKE Technical Manual V4.0.0
132
Loading a shading image into the camera
GPDATA_BUFFER is used to load a shading image into the camera. Because
the size of a shading image is larger than GPDATA_BUFFER, input must be
handled in several steps (see also Chapter Reading or writing shading image
from/into the camera on page 294):
Figure 67: Loading the shading reference image
Query limits from
register:
SHDG_INFO and
GPDATA_INFO
Set EnableMemWR
to true (1)
Set AddrOffset to 0
Write n databytes
in
GPDATA_BUFFER
Increase
AddrOffset by n
bytes
Check
EnableMemWR for
no change
Repeat steps until
all data is written
Set EnableMemWR
to false (0)
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