Description of the data path
PIKE Technical Manual
V5.0.0
147
Loading a shading image out of the camera
GPDATA_BUFFER is used to load a shading image out of the camera. Because
the size of a shading image is larger than GPDATA_BUFFER, input must be
handled in several steps:
Figure 76: Uploading shading image to host
Note
Configuration
•
To configure this feature in an advanced register: See
Table 153: Advanced register: Shading
•
For information on GPDATA_BUFFER: See Chapter
Query limits from
register:
SHDG_INFO and
GPDATA_INFO
Set EnableMemRD
to true (1)
Set AddrOffset to 0
Read
n databytes
of
GPDATA_BUFFER
Increase
AddrOffset by n
bytes
Check
EnableMemRD for
no change
Repeat steps until
all data is read
Set EnableMemRD
to false (0)
