Parameter
Number of bytes
Description
IEEE float
dddddddd
8 (MSB first)
Brake Distance
Distance since brake event (m), 64
bit IEEE double precision floating
point number
eeee
4 (MSB first)
Event Time
Time of event from midnight
(seconds)
s
1 (MSB first)
Status Flag
0x01 for brake trigger, 0x02 for
brake trigger active
cc
2 (MSB first)
See CRC Calculation
example below
Notes:
• The 32-bit floats are in Little endian format (low byte first or Intel format)
• The Brake distance number is in Big endian format (high byte first or motorola format)
https://en.racelogic.support//Product_Info/Sensors/Single_and_Dual_Antenna_Speed_Sensors/VBOX_Speed_Sensor_User_Guide/
07_-_VBOX_Speed_Sensor_RS232%2F%2FNMEA_Output
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