S
ERIAL
I
NTERFACE
D
EVELOPERS
G
UIDE
Command Code: Enumeration for CMD_WRITE_VID_ENC_REG
Argument Size: size of 2 * UWord16
Argument: 1
P
st
P
UWord16 – offset, 2
P
nd
P
UWord16 – data. The offset term is relative to the video encoder
mode 0 register. In other words if a value of 0 is supplied as the offset then data will be written to the
mode 0 register.
Note: This command is intended for development purposes and should not be used for normal
operation.
5.3.34 CMD_PERFORM_TEST
Description: Perform test specified by argument in command packet.
Command Code: Enumeration for CMD_PERFORM_TEST
Argument Size: UWord16
Argument: Index from enumeration below.
enum
{
TEST_REGISTERS = 0,
TEST_OPERATIONAL,
TEST_MEMORY,
TEST_UNDEFINED
};
Note: After issuing a test command it is necessary to delay for several seconds until the camera has
completed testing. Then the results can be obtained by reading the global configuration structure
member ‘CAMERA_ERRORS’ (see
X
Appendix A
X
).
5.3.35 CMD_OVERLAY_REFRESH
Description: Command to perform a refresh of the symbology overlay.
Command Code: Enumeration for CMD_OVERLAY_REFRESH
Argument Size: 0
Argument: Null
Note: Erases contents of overlay memory and sets flag so that all objects are repainted.
5.3.36 CMD_FREEZE_IMAGE
Description: Command to (un)freeze display imagery.
Command Code: Enumeration for CMD_FREEZE_IMAGE
Argument Size: UWord16
Argument: 0 – normal imagery, 1 – freeze image
Note: none.
5.3.37 CMD_DETECT_BAD_PIXELS
Description: Command to initiate a defective pixel detection routine.
Command Code: Enumeration for CMD_DETECT_BAD_PIXELS
Argument Size: 0
Argument: Null
16
