Pni FieldForce Trax Manual do Utilizador descarregar pdf (Página 42)

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TRAX User Manual Page 38

7.2.3 Signed Integer

For signed integers, the most significant bit (msb) represents the sign of the value, where

0=positive and 1=negative. Signed integers are represents in 2’s compliment.

Signed 32-Bit Integer (SInt32)

SInt32-based parameters are signed 32-bit numbers (2’s compliment). Bit 31

represents the sign of the value, where 0=positive and 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, where 0=positive and 1=negative.

Big Endian

msb

15 8

lsb

7 0

Little Endian

lsb

7 0

msb

15 8

Signed 8-Bit Integer (SInt8)

UInt8-based parameters are unsigned 8-bit numbers. Bit 7 represents the sign of the

value, where 0=positive and 1=negative.

byte

7 0

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