PNI TCM 5 - Manual (Page 30)

PNI Sensor Corporation Doc #1007537 r12
TCM3 & TCM5 User Manual- Sept 2011 Page 30
32-Bit (single precision floating point)
Shown below is the 32-bit float format in big endian, in little endian all 4 bytes are in reverse order
(LSB first).
Exponent S Mantissa
3130 23 22 0
The value (v) is determined as (if and only if 0 < Exponent < 255): v = (-1) S * 2 (Exponent-127) * 1.Mantissa
Note: Please refer to ANSI/IEEE Std 754-1985 for more information. It is also recommended that
you refer to the compiler you are using on how it implements floating-point formats.
Signed 32-bit Integer (SInt32)
SInt32 based parameters are signed 32 bit numbers (2’s compliment). Bit 31 represents the sign of
the value (0=positive, 1=negative)
msb
31 24 23 16 15 8
lsb
7 0
Big Endian
lsb
7 0 15 8 23 16
msb
31 24
Little Endian
Signed 16-bit Integer (SInt16)
SInt16 based parameters are signed 16 bit numbers (
2’s compliment). Bit 15 represents the sign of
the value (0=positive, 1=negative)
Big Endian
msb
15 8
lsb
7 0
Little Endian
lsb
7 0
msb
15 8