common.cpp File Reference

Functions
double	svaToUra (int sva)
	URA index to URA value (m) GLOBAL POSITIONING SYSTEM STANDARD POSITIONING SERVICE SIGNAL SPECIFICATION 2nd Ed, June 2,1995 see section - 2.5.3 User Range Accuracy.
int	uraToSva (double ura)
	URA value (m) to URA index.
double	svaToSisa (int sva)
	Galileo SISA index to SISA value (m) EUROPEAN GNSS (GALILEO) OPEN SERVICE SIGNAL-IN-SPACE INTERFACE CONTROL DOCUMENT Issue 2.0, January 2021 See Section, 5.1.12.
int	sisaToSva (double sisa)
	Galileo SISA value (m) to SISA index.
unsigned int	crc24q (const unsigned char *buff, int len)
	crc-24q parity compute crc-24q parity for sbas, rtcm3 see reference [2] A.4.3.3 Parity
void	wrapPlusMinusPi (double &angle)
	Wrap angle between (-pi, pi].
void	wrap2Pi (double &angle)
	Wrap angle between [0, 2pi)

Function Documentation

crc24q()

unsigned int crc24q	(	const unsigned char *	buff,
		int	len )

crc-24q parity compute crc-24q parity for sbas, rtcm3 see reference [2] A.4.3.3 Parity

Parameters

buff	data
len	data length (bytes)

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sisaToSva()

int sisaToSva

(

double

sisa

)

Galileo SISA value (m) to SISA index.

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svaToSisa()

double svaToSisa

(

int

sva

)

Galileo SISA index to SISA value (m) EUROPEAN GNSS (GALILEO) OPEN SERVICE SIGNAL-IN-SPACE INTERFACE CONTROL DOCUMENT Issue 2.0, January 2021 See Section, 5.1.12.

Signal In Space Accuracy (SISA)

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svaToUra()

double svaToUra

(

int

sva

)

URA index to URA value (m) GLOBAL POSITIONING SYSTEM STANDARD POSITIONING SERVICE SIGNAL SPECIFICATION 2nd Ed, June 2,1995 see section - 2.5.3 User Range Accuracy.

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uraToSva()

int uraToSva

(

double

ura

)

URA value (m) to URA index.

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wrap2Pi()

void wrap2Pi

(

double &

angle

)

Wrap angle between [0, 2pi)

Parameters

angle

Angle to wrap

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wrapPlusMinusPi()

void wrapPlusMinusPi

(

double &

angle

)

Wrap angle between (-pi, pi].

Parameters

angle

Angle to wrap

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