Vinten Radamec Free-d User Manual
Page 36
Vinten Broadcast Ltd
free
-
d
™
Installation Manual V1.4.4
Page 36 of 46
<EH><EL> EEPROM Address
<D0>....<DF> 16 bytes of EEPROM data
<CK>
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:
<D9>
Message type
<CA>
Camera ID
<EH><EL> EEPROM address
<CK>
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:
<DA>
Message type
<CA>
Camera ID
<CH><CM><CL>
Lens X-Centre
<DH><DM><DL>
Lens Y-Centre
<SH><SM><SL>
Lens X-Scale
<TH><TM><TL>
Lens Y-Scale
<AH><AM><AL>
Lens Distortion A (radial, square term)
<BH><BM><BL>
Lens Distortion B (radial, fourth power)
<XH><XM><XL>
X-Offset from auxiliary camera to studio camera
<YH><YM><YL>
Y-Offset from auxiliary camera to studio camera
<ZH><ZM><ZL>
Z-Offset from auxiliary camera to studio camera
<CK>
Checksum