Vinten Radamec Free-d - Manual (Page 36)

Vinten Broadcast Ltd free - d ™ Installation Manual V1.4.4
Page 36 of 46
EEPROM Address
.... 16 bytes of EEPROM data
Checksum
The EEPROM can only be programmed or read 16-bytes at a time. The
EEPROM Address within the message corresponds to the address of the first
byte of data transferred.
A.3.8 Type D9 - request EEPROM data
The D9 message is used to request the transfer of EEPROM data from the
free-d™ unit. The free-d™ unit replies with a D8 message containing 16 bytes of
EEPROM data.
The message contains 5 bytes as follows:
Message type
Camera ID
EEPROM address
Checksum
The EEPROM Address determines the address of the first data byte to be
transferred.
A.3.9 Type DA - camera calibration data
The DA message is used for transferring Camera Calibration data from the
free-d™ unit. The data corresponds to the camera currently in use. If a valid
camera is not connected to the free-d™ unit, or if the camera has only recently
been connected, the data is invalid.
The message contains 30 bytes as follows:
Message type
Camera ID
Lens X-Centre
Lens Y-Centre
Lens X-Scale
Lens Y-Scale
Lens Distortion A (radial, square term)
Lens Distortion B (radial, fourth power)
X-Offset from auxiliary camera to studio camera
Y-Offset from auxiliary camera to studio camera
Z-Offset from auxiliary camera to studio camera
Checksum