Deep SUNA Manual
For SUNA running firmware version 2.4 or later
7. SUNA Frame Definitions
7. SUNA Frame Definitions
7.1 Frames with Synchronization Headers
The frames described in this section start with a ten character header which uniquely
identifies the sensor and data type. The unique header allows to extract sensor specific
frames from arbitrary collections of data.
There are two types of such frames: Variable length frames and fixed length frames. In
variable length frames, the fields are in ASCII format and comma separated . In fixed
length frames, each field has a fixed size, and is usually in binary format.
The variable length frame headers start with SAT, followed by three characters
identifying the frame type. SATSLF and SATSDF for full ASCII light and dark frames,
and SATSLC and SATSDC for concentration light and dark frames, respectively. The
last four characters are the sensor serial number. Example for serial number 1234:
SATSLC1234 for concentration light frame.
The fixed length frame headers start with SAT, followed by three characters identifying
the frame type: SATSLB and SATSDB for full binary light and dark frames, and SATSLR
and SATSDR for reduced binary and dark frames, respectively. The last four characters
are the sensor serial number. Example for serial number 1234: SATSLR1234 for
reduced binary light frame.
For each field in these frames, format and size are given. The formats are ASCII Integer
(AI), ASCII Float (AF), ASCII String (AS), Binary Unsigned Integer (BU), Binary Float
(BF), and Binary Double (BD). Binary fields have fixed sizes, ASCII fields may have
fixed or variable sizes. BF and BD data formats conform to the IEEE 754 standard.
Binary data are in big endian order.
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