Description of the data path
STINGRAY Technical Manual
V4.4.2
140
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
Note
Configuration
•
To configure this feature in an advanced register: See
Table 139: Advanced register: Shading
•
For information on GPDATA_BUFFER: See Chapter
Figure 65: 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)