#include "dump1090.h"
#include "aera.h"

Classes
struct	errorinfo

Macros
#define	NERRORINFO (MODES_LONG_MSG_BITS+MODES_LONG_MSG_BITS*(MODES_LONG_MSG_BITS-1)/2)

Functions
void	addRecentlySeenICAOAddr (uint32_t addr)

void	applyPhaseCorrection (uint16_t *pPayload)

int	cmpErrorInfo (const void p0, const void p1)

void	computeMagnitudeVector (void)

double	cprDlonFunction (double lat, int fflag, int surface)

int	cprModFunction (int a, int b)

int	cprNFunction (double lat, int fflag)

int	cprNLFunction (double lat)

int	decodeAC12Field (int AC12Field, int *unit)

int	decodeAC13Field (int AC13Field, int *unit)

void	decodeCPR (struct aircraft *a, int fflag, int surface)

int	decodeCPRrelative (struct aircraft *a, int fflag, int surface)

int	decodeID13Field (int ID13Field)

void	decodeModesMessage (struct modesMessage mm, unsigned char msg)

int	decodeMovementField (int movement)

void	detectModeS (uint16_t *m, uint32_t mlen)

int	detectOutOfPhase (uint16_t *pPreamble)

void	displayModesMessage (struct modesMessage *mm)

void	dumpMagnitudeBar (int index, int magnitude)

void	dumpMagnitudeVector (uint16_t *m, uint32_t offset)

void	dumpRawMessage (char descr, unsigned char msg, uint16_t *m, uint32_t offset)

void	dumpRawMessageJS (char descr, unsigned char msg, uint16_t m, uint32_t offset, int fixable, char bitpos)

int	fixBitErrors (unsigned char msg, int bits, int maxfix, char fixedbits)

char *	getMEDescription (int metype, int mesub)

int	ICAOAddressWasRecentlySeen (uint32_t addr)

uint32_t	ICAOCacheHashAddress (uint32_t a)

uint32_t	modesChecksum (unsigned char *msg, int bits)

void	modesInitErrorInfo ()

int	modesMessageLenByType (int type)

void	useModesMessage (struct modesMessage *mm)

Variables
struct errorinfo	bitErrorTable [((14 8)+(14 8)((14 8)-1)/2)]

char *	ca_str [8]

char *	cf_str [8]

char *	fs_str [8]

uint32_t	modes_checksum_table [112]

Macro Definition Documentation

#define NERRORINFO (MODES_LONG_MSG_BITS+MODES_LONG_MSG_BITS*(MODES_LONG_MSG_BITS-1)/2)

Definition at line 214 of file mode_s.c.

Referenced by fixBitErrors(), and modesInitErrorInfo().

Function Documentation

void addRecentlySeenICAOAddr ( uint32_t addr )

Definition at line 613 of file mode_s.c.

References ICAOCacheHashAddress(), and Modes.

Referenced by decodeModesMessage().

void applyPhaseCorrection ( uint16_t * pPayload )

Definition at line 1448 of file mode_s.c.

References MODES_LONG_MSG_SAMPLES.

Referenced by detectModeS().

int cmpErrorInfo	(	const void *	p0,
		const void *	p1
	)

Definition at line 219 of file mode_s.c.

References errorinfo::syndrome.

Referenced by fixBitErrors(), and modesInitErrorInfo().

void computeMagnitudeVector ( void )

Definition at line 1386 of file mode_s.c.

References utl::m, Modes, MODES_ASYNC_BUF_SAMPLES, MODES_LONG_MSG_SAMPLES, MODES_LONG_MSG_SIZE, MODES_PREAMBLE_SAMPLES, MODES_PREAMBLE_SIZE, and G4StationSimulatorOG::p.

Referenced by main().

double cprDlonFunction	(	double	lat,
		int	fflag,
		int	surface
	)

Definition at line 1941 of file mode_s.c.

References cprNFunction().

Referenced by decodeCPR(), and decodeCPRrelative().

int cprModFunction	(	int	a,
		int	b
	)

Definition at line 1858 of file mode_s.c.

References RdGeoCeLDFFitter::b.

Referenced by decodeCPR(), and decodeCPRrelative().

int cprNFunction	(	double	lat,
		int	fflag
	)

Definition at line 1933 of file mode_s.c.

References cprNLFunction(), and nl.

Referenced by cprDlonFunction(), and decodeCPR().

int cprNLFunction ( double lat )

Definition at line 1868 of file mode_s.c.

Referenced by cprNFunction(), and decodeCPR().

int decodeAC12Field	(	int	AC12Field,
		int *	unit
	)

N is the 11 bit integer resulting from the removal of bit Q at bit 4

Definition at line 704 of file mode_s.c.

References decodeID13Field(), ModeAToModeC(), and MODES_UNIT_FEET.

Referenced by decodeModesMessage().

int decodeAC13Field	(	int	AC13Field,
		int *	unit
	)

Definition at line 673 of file mode_s.c.

References decodeID13Field(), ModeAToModeC(), MODES_UNIT_FEET, and MODES_UNIT_METERS.

Referenced by decodeModesMessage().

void decodeCPR	(	struct aircraft *	a,
		int	fflag,
		int	surface
	)

Definition at line 1956 of file mode_s.c.

References aircraft::bFlags, cprDlonFunction(), cprModFunction(), cprNFunction(), cprNLFunction(), aircraft::even_cprlat, aircraft::even_cprlon, aircraft::lat, aircraft::lon, utl::m, Modes, MODES_ACFLAGS_LATLON_REL_OK, MODES_ACFLAGS_LATLON_VALID, MODES_USER_LATLON_VALID, aircraft::odd_cprlat, aircraft::odd_cprlon, aircraft::seen, aircraft::seenLatLon, aircraft::timestamp, and aircraft::timestampLatLon.

Referenced by interactiveReceiveData().

int decodeCPRrelative	(	struct aircraft *	a,
		int	fflag,
		int	surface
	)

Definition at line 2021 of file mode_s.c.

References aircraft::bFlags, cprDlonFunction(), cprModFunction(), aircraft::even_cprlat, aircraft::even_cprlon, aircraft::lat, aircraft::lon, utl::m, Modes, MODES_ACFLAGS_LATLON_REL_OK, MODES_ACFLAGS_LATLON_VALID, MODES_USER_LATLON_VALID, aircraft::odd_cprlat, aircraft::odd_cprlon, aircraft::seen, aircraft::seenLatLon, aircraft::timestamp, and aircraft::timestampLatLon.

Referenced by interactiveReceiveData().

int decodeID13Field ( int ID13Field )

Definition at line 648 of file mode_s.c.

Referenced by decodeAC12Field(), decodeAC13Field(), and decodeModesMessage().

void decodeModesMessage	(	struct modesMessage *	mm,
		unsigned char *	msg
	)

Definition at line 819 of file mode_s.c.

Referenced by decodeBinMessage(), decodeHexMessage(), and detectModeS().

int decodeMovementField ( int movement )

Definition at line 729 of file mode_s.c.

Referenced by decodeModesMessage().

void detectModeS	(	uint16_t *	m,
		uint32_t	mlen
	)

Definition at line 1466 of file mode_s.c.

References RdGeoCeLDFFitter::a, applyPhaseCorrection(), RdGeoCeLDFFitter::b, modesMessage::bFlags, modesMessage::correctedbits, modesMessage::crcok, decodeModeAMessage(), decodeModesMessage(), detectModeA(), detectOutOfPhase(), dumpRawMessage(), UnivRecNS::high, MODEAC_MSG_SAMPLES, Modes, MODES_DEBUG_BADCRC, MODES_DEBUG_DEMOD, MODES_DEBUG_DEMODERR, MODES_DEBUG_GOODCRC, MODES_DEBUG_NOPREAMBLE, MODES_DEBUG_NOPREAMBLE_LEVEL, MODES_LONG_MSG_BITS, MODES_LONG_MSG_BYTES, MODES_LONG_MSG_SAMPLES, MODES_MAX_BITERRORS, MODES_MSG_ENCODER_ERRS, MODES_MSG_SQUELCH_LEVEL, MODES_PREAMBLE_SAMPLES, MODES_PREAMBLE_US, MODES_SHORT_MSG_BITS, modesMessageLenByType(), modesSendAllClients(), modesMessage::msg, modesMessage::msgtype, modesMessage::phase_corrected, modesMessage::signalLevel, modesMessage::timestampMsg, and useModesMessage().

Referenced by main().

int detectOutOfPhase ( uint16_t * pPreamble )

Definition at line 1409 of file mode_s.c.

Referenced by detectModeS().

void displayModesMessage ( struct modesMessage * mm )

Definition at line 1097 of file mode_s.c.

References modesMessage::addr, aera, modesMessage::altitude, modesMessage::bFlags, modesMessage::ca, ca_str, cf_str, modesMessage::correctedbits, modesMessage::crc, modesMessage::crcok, modesMessage::ew_velocity, modesMessage::fLat, modesMessage::flight, modesMessage::fLon, modesMessage::fs, fs_str, getMEDescription(), modesMessage::heading, modesMessage::iid, modesMessage::mesub, modesMessage::metype, modesMessage::modeA, Modes, MODES_ACFLAGS_ALTITUDE_VALID, MODES_ACFLAGS_EWSPEED_VALID, MODES_ACFLAGS_HEADING_VALID, MODES_ACFLAGS_LATLON_VALID, MODES_ACFLAGS_NSSPEED_VALID, MODES_ACFLAGS_SPEED_VALID, MODES_ACFLAGS_VERTRATE_VALID, MODES_UNIT_METERS, modesMessage::msg, modesMessage::msgbits, modesMessage::msgtype, mstime(), modesMessage::ns_velocity, modesMessage::raw_latitude, modesMessage::raw_longitude, modesMessage::timestampMsg, modesMessage::unit, modesMessage::velocity, and modesMessage::vert_rate.

Referenced by useModesMessage().

void dumpMagnitudeBar	(	int	index,
		int	magnitude
	)

Definition at line 355 of file mode_s.c.

Referenced by dumpMagnitudeVector().

void dumpMagnitudeVector	(	uint16_t *	m,
		uint32_t	offset
	)

Definition at line 382 of file mode_s.c.

References dumpMagnitudeBar(), MODES_PREAMBLE_SAMPLES, and MODES_SHORT_MSG_SAMPLES.

Referenced by dumpRawMessage().

void dumpRawMessage	(	char *	descr,
		unsigned char *	msg,
		uint16_t *	m,
		uint32_t	offset
	)

Definition at line 440 of file mode_s.c.

References dumpMagnitudeVector(), dumpRawMessageJS(), fixBitErrors(), Modes, MODES_DEBUG_JS, MODES_LONG_MSG_BITS, MODES_LONG_MSG_BYTES, MODES_MAX_BITERRORS, and MODES_SHORT_MSG_BYTES.

Referenced by detectModeS().

void dumpRawMessageJS	(	char *	descr,
		unsigned char *	msg,
		uint16_t *	m,
		uint32_t	offset,
		int	fixable,
		char *	bitpos
	)

Definition at line 398 of file mode_s.c.

References exit, MODES_LONG_MSG_BYTES, MODES_LONG_MSG_SAMPLES, MODES_NOTUSED, MODES_PREAMBLE_SAMPLES, and modesMessageLenByType().

Referenced by dumpRawMessage().

int fixBitErrors	(	unsigned char *	msg,
		int	bits,
		int	maxfix,
		char *	fixedbits
	)

Definition at line 304 of file mode_s.c.

References bitErrorTable, errorinfo::bits, cmpErrorInfo(), MODES_LONG_MSG_BITS, modesChecksum(), NERRORINFO, errorinfo::pos, and errorinfo::syndrome.

Referenced by decodeModesMessage(), and dumpRawMessage().

char* getMEDescription	(	int	metype,
		int	mesub
	)

Definition at line 786 of file mode_s.c.

Referenced by displayModesMessage().

int ICAOAddressWasRecentlySeen ( uint32_t addr )

Definition at line 625 of file mode_s.c.

References RdGeoCeLDFFitter::a, ICAOCacheHashAddress(), Modes, and MODES_ICAO_CACHE_TTL.

Referenced by decodeModesMessage().

uint32_t ICAOCacheHashAddress ( uint32_t a )

Definition at line 598 of file mode_s.c.

References MODES_ICAO_CACHE_LEN.

Referenced by addRecentlySeenICAOAddr(), and ICAOAddressWasRecentlySeen().

uint32_t modesChecksum	(	unsigned char *	msg,
		int	bits
	)

Definition at line 71 of file mode_s.c.

References modes_checksum_table.

Referenced by decodeModesMessage(), fixBitErrors(), and modesInitErrorInfo().

void modesInitErrorInfo ( )

Definition at line 234 of file mode_s.c.

References bitErrorTable, errorinfo::bits, cmpErrorInfo(), Modes, MODES_LONG_MSG_BITS, MODES_LONG_MSG_BYTES, modesChecksum(), NERRORINFO, errorinfo::pos, and errorinfo::syndrome.

Referenced by modesInit(), ppup1090Init(), and view1090Init().

int modesMessageLenByType ( int type )

Definition at line 103 of file mode_s.c.

References MODES_LONG_MSG_BITS, and MODES_SHORT_MSG_BITS.

Referenced by decodeModesMessage(), detectModeS(), and dumpRawMessageJS().

void useModesMessage ( struct modesMessage * mm )

Definition at line 1838 of file mode_s.c.

References modesMessage::correctedbits, modesMessage::crcok, displayModesMessage(), interactiveReceiveData(), Modes, and modesQueueOutput().

Referenced by decodeBinMessage(), decodeHexMessage(), and detectModeS().

Variable Documentation

struct errorinfo bitErrorTable[((14 *8)+(14 *8)*((14 *8)-1)/2)]

Definition at line 216 of file mode_s.c.

Referenced by fixBitErrors(), and modesInitErrorInfo().

char* ca_str[8]

Initial value:

= {
     "Level 1 (Survillance Only)",
     "Level 2 (DF0,4,5,11)",
     "Level 3 (DF0,4,5,11,20,21)",
     "Level 4 (DF0,4,5,11,20,21,24)",
     "Level 2+3+4 (DF0,4,5,11,20,21,24,code7 - is on ground)",
     "Level 2+3+4 (DF0,4,5,11,20,21,24,code7 - is airborne)",
     "Level 2+3+4 (DF0,4,5,11,20,21,24,code7)",
     "Level 7 ???"
}

Definition at line 749 of file mode_s.c.

Referenced by displayModesMessage().

char* cf_str[8]

Initial value:

= {
     "ADS-B ES/NT device with ICAO 24-bit address",
     "ADS-B ES/NT device with other address",
     "Fine format TIS-B",
     "Coarse format TIS-B",
     "TIS-B managment message",
     "TIS-B relay of ADS-B message with other address",
     "ADS-B rebroadcast using DF-17 message format",
     "Reserved"
}

Definition at line 761 of file mode_s.c.

Referenced by displayModesMessage().

char* fs_str[8]

Initial value:

= {
     "Normal, Airborne",
     "Normal, On the ground",
     "ALERT,  Airborne",
     "ALERT,  On the ground",
     "ALERT & Special Position Identification. Airborne or Ground",
     "Special Position Identification. Airborne or Ground",
     "Value 6 is not assigned",
     "Value 7 is not assigned"
}

Definition at line 773 of file mode_s.c.

Referenced by displayModesMessage().

uint32_t modes_checksum_table[112]

Initial value:

= {
0x3935ea, 0x1c9af5, 0xf1b77e, 0x78dbbf, 0xc397db, 0x9e31e9, 0xb0e2f0, 0x587178,
0x2c38bc, 0x161c5e, 0x0b0e2f, 0xfa7d13, 0x82c48d, 0xbe9842, 0x5f4c21, 0xd05c14,
0x682e0a, 0x341705, 0xe5f186, 0x72f8c3, 0xc68665, 0x9cb936, 0x4e5c9b, 0xd8d449,
0x939020, 0x49c810, 0x24e408, 0x127204, 0x093902, 0x049c81, 0xfdb444, 0x7eda22,
0x3f6d11, 0xe04c8c, 0x702646, 0x381323, 0xe3f395, 0x8e03ce, 0x4701e7, 0xdc7af7,
0x91c77f, 0xb719bb, 0xa476d9, 0xadc168, 0x56e0b4, 0x2b705a, 0x15b82d, 0xf52612,
0x7a9309, 0xc2b380, 0x6159c0, 0x30ace0, 0x185670, 0x0c2b38, 0x06159c, 0x030ace,
0x018567, 0xff38b7, 0x80665f, 0xbfc92b, 0xa01e91, 0xaff54c, 0x57faa6, 0x2bfd53,
0xea04ad, 0x8af852, 0x457c29, 0xdd4410, 0x6ea208, 0x375104, 0x1ba882, 0x0dd441,
0xf91024, 0x7c8812, 0x3e4409, 0xe0d800, 0x706c00, 0x383600, 0x1c1b00, 0x0e0d80,
0x0706c0, 0x038360, 0x01c1b0, 0x00e0d8, 0x00706c, 0x003836, 0x001c1b, 0xfff409,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000
}

Definition at line 54 of file mode_s.c.

Referenced by modesChecksum().

Classes

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation