QZSS CLAS (L6D) CSSR decoder and bank management. More...

#include "mrtklib/mrtk_clas.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "mrtklib/mrtk_const.h"
#include "mrtklib/mrtk_trace.h"

Include dependency graph for mrtk_clas.c:

Macros
#define	SQR(x)
#define	MAX(x, y)
#define	MIN(x, y)

Functions
int	clas_ctx_init (clas_ctx_t *ctx)
	Initialize CLAS context (allocate bank control on heap).
void	clas_ctx_free (clas_ctx_t *ctx)
	Free CLAS context (release heap-allocated bank control).
void	clas_bank_init (clas_ctx_t *ctx, int ch)
	Initialize bank control for a channel.
static double	decode_sval (const uint8_t *buff, int i, int n, double lsb)
int	cssr_sys2gnss (int sys, int *prn0)
	Convert RTKLIB system bitmask to CSSR GNSS ID.
int	cssr_gnss2sys (int gnss, int *prn0)
	Convert CSSR GNSS ID to RTKLIB system bitmask.
static int	svmask2nsat (uint64_t svmask)
static int	sigmask2nsig (uint16_t sigmask)
static int	svmask2nsatlist (uint64_t svmask, int id, int *sat)
static int	svmask2sat (uint64_t svmask, int sat)
static float	decode_cssr_quality_stec (int a, int b)
static float	decode_cssr_quality_trop (int a, int b)
static void	check_week_ref (clas_ctx_t ctx, clas_l6buf_t l6, int tow, int i)
static int	sigmask2sig_p (int nsat, int sat, uint16_t sigmask, uint16_t cellmask, int nsig, int *sig)
static int	sigmask2sig (int nsat, int sat, uint16_t sigmask, uint16_t cellmask, int nsig, int *sig)
static clas_orbit_bank_t *	get_same_orbit (clas_bank_ctrl_t *bank, gtime_t time, int network)
static clas_clock_bank_t *	get_same_clock (clas_bank_ctrl_t *bank, gtime_t time, int network)
static clas_bias_bank_t *	get_same_bias (clas_bank_ctrl_t *bank, gtime_t time, int network)
static clas_trop_bank_t *	get_same_trop (clas_bank_ctrl_t *bank, gtime_t time)
static clas_orbit_bank_t *	get_close_orbit (clas_bank_ctrl_t *bank, gtime_t time, int network, double age)
static clas_clock_bank_t *	get_close_clock (clas_bank_ctrl_t *bank, gtime_t obstime, gtime_t time, int network, double age)
static clas_bias_bank_t *	get_close_cbias (clas_bank_ctrl_t *bank, gtime_t time, int network, double age)
static clas_bias_bank_t *	get_close_pbias (clas_bank_ctrl_t *bank, gtime_t time, int network, double age)
static clas_bias_bank_t *	get_close_net_cbias (clas_bank_ctrl_t *bank, gtime_t time, int network, double age)
static clas_bias_bank_t *	get_close_net_pbias (clas_bank_ctrl_t *bank, gtime_t time, int network, double age)
static clas_trop_bank_t *	get_close_trop (clas_bank_ctrl_t *bank, gtime_t obstime, gtime_t time, int network, double age, int tropless)
static int	get_bias_save_point (clas_bias_bank_t *bias, int prn, int mode)
static void	check_cssr_changed_facility (clas_ctx_t *ctx, int ch, int facility)
static void	set_cssr_bank_orbit (clas_ctx_t *ctx, int ch, gtime_t time, int network)
static void	set_cssr_bank_clock (clas_ctx_t *ctx, int ch, gtime_t time, int network)
static void	set_cssr_bank_cbias (clas_ctx_t *ctx, int ch, gtime_t time, int network, int iod)
static void	set_cssr_bank_pbias (clas_ctx_t *ctx, int ch, gtime_t time, int network, int iod)
static void	set_cssr_latest_trop (clas_bank_ctrl_t bank, gtime_t time, ssrn_t ssrn, int network)
static int	get_cssr_latest_trop (clas_bank_ctrl_t bank, double total, double *wet, gtime_t time, int network, int index)
static int	get_cssr_latest_iono (clas_bank_ctrl_t bank, double iono, gtime_t time, int network, int index, int sat)
static void	set_cssr_bank_trop (clas_ctx_t ctx, int ch, gtime_t time, ssrn_t ssrn, int network)
static clas_bias_bank_t *	add_base_value_to_cbias (clas_bank_ctrl_t bank, clas_bias_bank_t srcbias, int network)
static clas_bias_bank_t *	add_base_value_to_pbias (clas_bank_ctrl_t bank, clas_bias_bank_t srcbias, int network)
static void	init_grid_index (clas_corr_t *corr)
static void	set_grid_data (clas_corr_t corr, double pos, int index)
static int	add_data_stec (stec_t *stec, gtime_t time, int sat, int slip, double iono, double rate, double rms, double quality)
static int	add_data_trop (zwd_t *z, gtime_t time, double zwd, double ztd, double quality, double rms, int valid)
static int	sub_get_close_cssr (clas_bank_ctrl_t bank, gtime_t time, int network, clas_orbit_bank_t orbit, clas_clock_bank_t clock, clas_bias_bank_t cbias, clas_bias_bank_t pbias, clas_trop_bank_t trop, int flag)
static int	corr_bias_slot (const int smode[70], int mode)
int	clas_bank_get_close (const clas_ctx_t ctx, gtime_t time, int network, int ch, clas_corr_t corr)
	Merge closest corrections from all banks into a clas_corr_t snapshot.
static gtime_t	backup_cssr_time (const clas_corr_t *corr)
int	clas_backup_valid (const clas_ctx_t *ctx, gtime_t obstime, int l6mrg)
	Save/restore the latest usable CSSR snapshot for short correction gaps.
void	clas_backup_current (clas_ctx_t ctx, const clas_grid_t grid, int l6mrg)
void	clas_clear_current (clas_ctx_t *ctx, int ch)
	Drop the current correction snapshot of one channel.
void	clas_restore_backup (clas_ctx_t ctx, gtime_t time, clas_grid_t grid, int l6mrg)
void	clas_check_grid_status (clas_ctx_t ctx, const clas_corr_t corr, int ch)
	Check and update grid status flags based on correction availability.
void	clas_check_grid_status_time (clas_ctx_t *ctx, gtime_t time, int ch)
void	clas_update_global (nav_t nav, const clas_corr_t corr, int ch)
	Apply global corrections (orbit/clock/bias) to nav_t.ssr[].
void	clas_update_local (nav_t nav, const clas_corr_t corr, int ch)
	Apply local corrections (trop/STEC) to nav_t.
static int	decode_cssr_head (clas_ctx_t ctx, clas_l6buf_t l6, cssr_t cssr, int sync, int tow, int iod, double udint, int ngnss, int i0)
static int	check_bit_width_mask (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_oc (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_cc (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_cb (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_pb (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_bias (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_ura (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_stec (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_grid (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_combo (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_atmos (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	check_bit_width_si (clas_l6buf_t l6, cssr_t cssr, int i0)
static int	decode_cssr_mask (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_oc (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_cc (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_cb (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_pb (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_bias (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_ura (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_stec (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_grid (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_si (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_combo (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_cssr_atmos (clas_ctx_t ctx, int ch, clas_l6buf_t l6, int i0)
static int	decode_qzs_msg (clas_ctx_t *ctx, int ch)
int	clas_get_correct_fac (int msgid)
	Get L6 facility ID from message ID byte.
int	clas_route_l6frame (clas_ctx_t *ctx, int prn, int ptn, int l6mrg, gtime_t now)
	Route one interleaved L6D frame to a CLAS channel (or drop it).
int	clas_input_cssr (clas_ctx_t *ctx, uint8_t data, int ch)
	Input CSSR byte stream (one byte at a time, real-time).
int	clas_decode_msg (clas_ctx_t *ctx, int ch)
	Decode the next pending CSSR message from the assembled bit buffer.
void	clas_set_l6tag (clas_ctx_t *ctx, int ch, double tag)
	Set the receiver time tag of the L6 frame about to be input.
int	clas_input_cssrf (clas_ctx_t ctx, FILE fp, int ch)
	Input CSSR from file (one message at a time, post-processing).
int	clas_read_grid_def (clas_ctx_t ctx, const char gridfile)
	Read CLAS grid definition file.

Variables
static const double	ssrudint [16] = {1, 2, 5, 10, 15, 30, 60, 120, 240, 300, 600, 900, 1800, 3600, 7200, 10800}

Detailed Description

QZSS CLAS (L6D) CSSR decoder and bank management.

References: [1] claslib (https://github.com/mf-arai/claslib) — upstream implementation [2] IS-QZSS-L6-003 — CLAS Compact SSR Specification

Notes:

Ported from upstream claslib/cssr.c with singleton→context conversion.
All output_cssr_* / CSV debug functions are omitted (not needed in core).
Decoders write to ctx->dec_ssr[] (clas_dec_ssr_t) as intermediate buffer, NOT to nav_t.ssr[] directly, to isolate from MRTKLIB ssr_t differences.

Definition in file mrtk_clas.c.

Macro Definition Documentation

◆ MAX

#define MAX	(		x,
			y )

Value:

((x) > (y) ? (x) : (y))

Definition at line 47 of file mrtk_clas.c.

◆ MIN

#define MIN	(		x,
			y )

Value:

((x) < (y) ? (x) : (y))

Definition at line 48 of file mrtk_clas.c.

◆ SQR

#define SQR ( x )

Value:

((x) * (x))

Definition at line 46 of file mrtk_clas.c.

Referenced by ddres(), get_trop_sta(), set_init_pb(), udbias_ppp(), udion(), and udion().

Function Documentation

◆ add_base_value_to_cbias()

clas_bias_bank_t * add_base_value_to_cbias	(	clas_bank_ctrl_t *	bank,
		clas_bias_bank_t *	srcbias,
		int	network )

static

Definition at line 924 of file mrtk_clas.c.

References clas_bias_bank_t::bflag, clas_bias_bank_t::cbias, CSSR_INVALID_VALUE, get_bias_save_point(), get_same_bias(), MAXCODE, MAXSAT, clas_bias_bank_t::prn, clas_bias_bank_t::sflag, clas_bias_bank_t::smode, clas_bias_bank_t::time, time2gpst(), and timeadd().

Referenced by sub_get_close_cssr().

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◆ add_base_value_to_pbias()

clas_bias_bank_t * add_base_value_to_pbias	(	clas_bank_ctrl_t *	bank,
		clas_bias_bank_t *	srcbias,
		int	network )

static

Definition at line 956 of file mrtk_clas.c.

References clas_bias_bank_t::bflag, CSSR_INVALID_VALUE, get_bias_save_point(), get_same_bias(), MAXCODE, MAXSAT, clas_bias_bank_t::pbias, clas_bias_bank_t::prn, clas_bias_bank_t::sflag, clas_bias_bank_t::smode, clas_bias_bank_t::time, time2gpst(), and timeadd().

Referenced by sub_get_close_cssr().

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◆ add_data_stec()

int add_data_stec	(	stec_t *	stec,
		gtime_t	time,
		int	sat,
		int	slip,
		double	iono,
		double	rate,
		double	rms,
		double	quality )

static

Definition at line 1013 of file mrtk_clas.c.

References stec_t::data, stecd_t::flag, stecd_t::iono, stec_t::n, stec_t::nmax, stecd_t::quality, stecd_t::rate, stecd_t::rms, stecd_t::sat, stecd_t::slip, and stecd_t::time.

Referenced by clas_bank_get_close().

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◆ add_data_trop()

int add_data_trop	(	zwd_t *	z,
		gtime_t	time,
		double	zwd,
		double	ztd,
		double	quality,
		double	rms,
		int	valid )

static

Definition at line 1029 of file mrtk_clas.c.

References zwd_t::data, zwd_t::n, zwd_t::nmax, zwdd_t::quality, zwdd_t::rms, zwdd_t::time, zwdd_t::valid, zwdd_t::ztd, and zwdd_t::zwd.

Referenced by clas_bank_get_close().

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◆ backup_cssr_time()

gtime_t backup_cssr_time ( const clas_corr_t * corr )

static

Definition at line 1221 of file mrtk_clas.c.

References clas_corr_t::bias_time, clas_corr_t::clock_time, clas_corr_t::orbit_time, and timediff().

Referenced by clas_backup_valid(), and clas_restore_backup().

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◆ check_bit_width_atmos()

int check_bit_width_atmos	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1769 of file mrtk_clas.c.

References clas_l6buf_t::buff, getbitu(), clas_l6buf_t::havebit, cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_bias()

int check_bit_width_bias	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1629 of file mrtk_clas.c.

References clas_l6buf_t::buff, cssr_t::cellmask, CSSR_MAX_SV, getbitu(), clas_l6buf_t::havebit, cssr_t::sigmask, sigmask2sig(), cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_cb()

int check_bit_width_cb	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1609 of file mrtk_clas.c.

References cssr_t::cellmask, CSSR_MAX_SV, clas_l6buf_t::havebit, cssr_t::sigmask, sigmask2sig(), cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_cc()

int check_bit_width_cc	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1604 of file mrtk_clas.c.

References cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_combo()

int check_bit_width_combo	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1727 of file mrtk_clas.c.

References clas_l6buf_t::buff, CSSR_MAX_SV, getbitu(), clas_l6buf_t::havebit, satsys(), cssr_t::svmask, svmask2sat(), and SYS_GAL.

Referenced by decode_qzs_msg().

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◆ check_bit_width_grid()

int check_bit_width_grid	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1699 of file mrtk_clas.c.

References clas_l6buf_t::buff, getbitu(), clas_l6buf_t::havebit, cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_mask()

int check_bit_width_mask	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1549 of file mrtk_clas.c.

References clas_l6buf_t::buff, getbitu(), clas_l6buf_t::havebit, sigmask2nsig(), and svmask2nsat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_oc()

int check_bit_width_oc	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1588 of file mrtk_clas.c.

References CSSR_MAX_SV, clas_l6buf_t::havebit, satsys(), cssr_t::svmask, svmask2sat(), and SYS_GAL.

Referenced by decode_qzs_msg().

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◆ check_bit_width_pb()

int check_bit_width_pb	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1619 of file mrtk_clas.c.

References cssr_t::cellmask, CSSR_MAX_SV, clas_l6buf_t::havebit, cssr_t::sigmask, sigmask2sig(), cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_si()

int check_bit_width_si	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1860 of file mrtk_clas.c.

References clas_l6buf_t::buff, getbitu(), and clas_l6buf_t::havebit.

Referenced by decode_qzs_msg().

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◆ check_bit_width_stec()

int check_bit_width_stec	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1677 of file mrtk_clas.c.

References clas_l6buf_t::buff, CSSR_MAX_SV, getbitu(), clas_l6buf_t::havebit, cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_bit_width_ura()

int check_bit_width_ura	(	clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int	i0 )

static

Definition at line 1672 of file mrtk_clas.c.

References clas_l6buf_t::havebit, cssr_t::svmask, and svmask2sat().

Referenced by decode_qzs_msg().

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◆ check_cssr_changed_facility()

void check_cssr_changed_facility	(	clas_ctx_t *	ctx,
		int	ch,
		int	facility )

static

Definition at line 619 of file mrtk_clas.c.

References clas_ctx_t::bank, clas_bank_ctrl_t::BiasBank, clas_bank_ctrl_t::ClockBank, clas_bank_ctrl_t::Facility, clas_bank_ctrl_t::LatestTrop, clas_bank_ctrl_t::NextBias, clas_bank_ctrl_t::NextClock, clas_bank_ctrl_t::NextOrbit, clas_bank_ctrl_t::NextTrop, clas_bank_ctrl_t::OrbitBank, clas_bank_ctrl_t::separation, trace(), and clas_bank_ctrl_t::TropBank.

Referenced by decode_cssr_atmos(), decode_cssr_bias(), decode_cssr_cb(), decode_cssr_cc(), decode_cssr_combo(), decode_cssr_grid(), decode_cssr_oc(), and decode_cssr_pb().

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◆ check_week_ref()

void check_week_ref	(	clas_ctx_t *	ctx,
		clas_l6buf_t *	l6,
		int	tow,
		int	i )

static

Definition at line 271 of file mrtk_clas.c.

References gpst2time(), clas_ctx_t::obs_ref, gtime_t::sec, gtime_t::time, timediff(), clas_l6buf_t::tow0, clas_ctx_t::tow_ref, trace(), and clas_ctx_t::week_ref.

Referenced by decode_cssr_atmos(), decode_cssr_bias(), decode_cssr_cb(), decode_cssr_cc(), decode_cssr_combo(), decode_cssr_grid(), decode_cssr_mask(), decode_cssr_oc(), decode_cssr_pb(), decode_cssr_stec(), and decode_cssr_ura().

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◆ clas_backup_current()

void clas_backup_current	(	clas_ctx_t *	ctx,
		const clas_grid_t *	grid,
		int	l6mrg )

extern

Definition at line 1250 of file mrtk_clas.c.

References clas_ctx_t::backup, clas_ctx_t::backup_grid, CLAS_CH_NUM, clas_ctx_t::current, init_grid_index(), and SSR_CH_NUM.

Referenced by ppp_rtk_pos().

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◆ clas_backup_valid()

int clas_backup_valid	(	const clas_ctx_t *	ctx,
		gtime_t	obstime,
		int	l6mrg )

extern

Save/restore the latest usable CSSR snapshot for short correction gaps.

Mirrors claslib's BackupCSSR/BackupGrid path. The backup is considered valid while its latest global correction time is within 180 s of the observation.

Definition at line 1233 of file mrtk_clas.c.

References clas_ctx_t::backup, backup_cssr_time(), CLAS_CH_NUM, SSR_CH_NUM, timediff(), and clas_corr_t::use.

Referenced by ppp_rtk_pos().

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◆ clas_bank_get_close()

int clas_bank_get_close	(	const clas_ctx_t *	ctx,
		gtime_t	time,
		int	network,
		int	ch,
		clas_corr_t *	corr )

extern

Merge closest corrections from all banks into a clas_corr_t snapshot.

Parameters

[in]	ctx	CLAS context
[in]	time	Target time for matching
[in]	network	Network id
[in]	ch	Channel index
[out]	corr	Output merged correction snapshot

Returns: 0 on success, -1 if no valid corrections found

Definition at line 1121 of file mrtk_clas.c.

Referenced by clas_ssr2osr(), decoderaw(), ppp_rtk_pos(), and update_clas().

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◆ clas_bank_init()

void clas_bank_init	(	clas_ctx_t *	ctx,
		int	ch )

extern

Initialize bank control for a channel.

Parameters

[in,out]	ctx	CLAS context
[in]	ch	Channel index

Definition at line 101 of file mrtk_clas.c.

References clas_ctx_t::bank, clas_bank_ctrl_t::BiasBank, CLAS_CH_NUM, CLAS_MAX_NETWORK, clas_bank_ctrl_t::ClockBank, clas_bank_ctrl_t::Facility, clas_bank_ctrl_t::fastfix, clas_bank_ctrl_t::LatestTrop, clas_bank_ctrl_t::NextBias, clas_bank_ctrl_t::NextClock, clas_bank_ctrl_t::NextOrbit, clas_bank_ctrl_t::NextTrop, clas_bank_ctrl_t::OrbitBank, clas_bank_ctrl_t::separation, clas_bank_ctrl_t::TropBank, and clas_bank_ctrl_t::use.

Referenced by clas_ctx_init().

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◆ clas_check_grid_status()

void clas_check_grid_status	(	clas_ctx_t *	ctx,
		const clas_corr_t *	corr,
		int	ch )

extern

Check and update grid status flags based on correction availability.

Validates that orbit, trop, and STEC corrections exist for each grid point and sets grid_stat[ch][network][gp] accordingly. Must be called after clas_bank_get_close() to enable grid-based positioning.

Parameters

[in,out]	ctx	CLAS context (updates grid_stat)
[in]	time	Current observation time
[in]	ch	L6 channel index (0..CLAS_CH_NUM-1)

Definition at line 1320 of file mrtk_clas.c.

References clas_ctx_t::bank, CLAS_CH_NUM, CLAS_MAX_GP, CLAS_MAX_NETWORK, clas_bank_ctrl_t::fastfix, clas_ctx_t::grid_stat, clas_corr_t::gridnum, stec_t::n, clas_corr_t::network, clas_corr_t::orbit_time, clas_corr_t::stec, gtime_t::time, timediff(), trace(), clas_corr_t::trop_time, clas_corr_t::update_time, clas_corr_t::use, zwdd_t::valid, and clas_corr_t::zwddata.

Referenced by clas_ssr2osr(), decoderaw(), ppp_rtk_pos(), and update_clas().

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◆ clas_check_grid_status_time()

void clas_check_grid_status_time	(	clas_ctx_t *	ctx,
		gtime_t	time,
		int	ch )

extern

Definition at line 1365 of file mrtk_clas.c.

References clas_ctx_t::bank, CLAS_CH_NUM, CLAS_MAX_GP, CLAS_MAX_NETWORK, CSSR_INVALID_VALUE, clas_bank_ctrl_t::fastfix, get_close_orbit(), get_close_trop(), clas_ctx_t::grid_stat, clas_trop_bank_t::gridnum, clas_trop_bank_t::iono, clas_orbit_bank_t::network, clas_trop_bank_t::satnum, clas_orbit_bank_t::time, clas_trop_bank_t::time, timediff(), clas_trop_bank_t::total, trace(), clas_bank_ctrl_t::use, and clas_trop_bank_t::wet.

Referenced by update_clas().

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◆ clas_clear_current()

void clas_clear_current	(	clas_ctx_t *	ctx,
		int	ch )

extern

Drop the current correction snapshot of one channel.

Used when a channel supplies no corrections for the epoch, so that clas_update_global() clears nav_t.ssr_ch[ch] instead of re-applying the previous epoch's snapshot.

Parameters

[in,out]	ctx	CLAS context
[in]	ch	Channel index

Definition at line 1266 of file mrtk_clas.c.

References CLAS_CH_NUM, clas_ctx_t::current, and init_grid_index().

Referenced by ppp_rtk_pos().

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◆ clas_ctx_free()

void clas_ctx_free ( clas_ctx_t * ctx )

extern

Free CLAS context (release heap-allocated bank control).

Parameters

[in,out] ctx CLAS context to free

Definition at line 88 of file mrtk_clas.c.

References clas_ctx_t::bank, CLAS_CH_NUM, free, and clas_ctx_t::initialized.

Referenced by clas_ctx_init(), freepreceph(), and rtksvrfree().

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◆ clas_ctx_init()

int clas_ctx_init ( clas_ctx_t * ctx )

extern

Initialize CLAS context (allocate bank control on heap).

Parameters

[out] ctx CLAS context to initialize

Returns: 0 on success, -1 on allocation failure

Definition at line 54 of file mrtk_clas.c.

References clas_ctx_t::bank, calloc, clas_bank_init(), CLAS_CH_NUM, clas_ctx_free(), CSSR_REF_MAX, clas_ctx_t::initialized, clas_ctx_t::l6delivery, clas_ctx_t::l6facility, clas_ctx_t::l6lock_time, clas_ctx_t::l6pattern, gtime_t::sec, gtime_t::time, and clas_ctx_t::tow_ref.

Referenced by readpreceph(), and rtksvrstart().

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◆ clas_decode_msg()

int clas_decode_msg	(	clas_ctx_t *	ctx,
		int	ch )

extern

Decode the next pending CSSR message from the assembled bit buffer.

Call this after clas_input_cssr() to trigger CSSR message decoding. clas_input_cssr() only assembles L6 frames; this function performs the actual CSSR decode step and returns a completion code.

Parameters

[in,out]	ctx	CLAS context
[in]	ch	Channel index (0 = primary)

Returns: 10 when a complete CSSR correction set is ready, 0 otherwise

Definition at line 3213 of file mrtk_clas.c.

References decode_qzs_msg().

Referenced by decoderaw().

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◆ clas_get_correct_fac()

int clas_get_correct_fac ( int msgid )

extern

Get L6 facility ID from message ID byte.

Parameters

[in] msgid L6 message ID byte

Returns: Facility ID (0-3)

Definition at line 3037 of file mrtk_clas.c.

Referenced by clas_input_cssr().

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◆ clas_input_cssr()

int clas_input_cssr	(	clas_ctx_t *	ctx,
		uint8_t	data,
		int	ch )

extern

Input CSSR byte stream (one byte at a time, real-time).

Parameters

[in,out]	ctx	CLAS context
[in]	data	Input byte
[in]	ch	Channel index (0 or 1)

Returns: Status (-1:error, 0:no message, 10:SSR message decoded)

Definition at line 3127 of file mrtk_clas.c.

References l6_header_t::alert, BLEN_MSG, clas_l6buf_t::buff, clas_get_correct_fac(), clas_l6buf_t::decode_start, clas_l6buf_t::fbuff, clas_l6buf_t::frame, clas_l6buf_t::ftag, clas_l6buf_t::ftag_last, clas_l6buf_t::havebit, l6_parse_header(), l6_service_name(), L6_SVC_CLAS, L6_SVC_NULL, clas_ctx_t::l6buf, clas_ctx_t::l6delivery, clas_ctx_t::l6facility, L6FRMPREAMB, clas_l6buf_t::len, l6_header_t::msgid, clas_l6buf_t::nbit, clas_l6buf_t::nbyte, clas_l6buf_t::nframe, clas_l6buf_t::preamble, l6_header_t::prn, setbitu(), l6_header_t::sf_ind, l6_header_t::svc, and trace().

Referenced by clas_input_cssrf(), and decoderaw().

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◆ clas_input_cssrf()

int clas_input_cssrf	(	clas_ctx_t *	ctx,
		FILE *	fp,
		int	ch )

extern

Input CSSR from file (one message at a time, post-processing).

Parameters

[in,out]	ctx	CLAS context
[in]	fp	File pointer
[in]	ch	Channel index

Returns: Status (-2:EOF, -1:error, 0:no message, 10:SSR message decoded)

Definition at line 3217 of file mrtk_clas.c.

References clas_input_cssr(), and decode_qzs_msg().

Referenced by update_clas().

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◆ clas_read_grid_def()

int clas_read_grid_def	(	clas_ctx_t *	ctx,
		const char *	file )

extern

Read CLAS grid definition file.

Parameters

[in,out]	ctx	CLAS context (stores grid positions)
[in]	file	Grid definition file path

Returns: 0 on success, -1 on error

Definition at line 3238 of file mrtk_clas.c.

References CLAS_MAX_GP, CLAS_MAX_NETWORK, clas_ctx_t::grid_pos, clas_ctx_t::gridsel, and trace().

Referenced by execses().

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◆ clas_restore_backup()

void clas_restore_backup	(	clas_ctx_t *	ctx,
		gtime_t	time,
		clas_grid_t *	grid,
		int	l6mrg )

extern

Definition at line 1274 of file mrtk_clas.c.

References clas_ctx_t::backup, backup_cssr_time(), clas_ctx_t::backup_grid, clas_ctx_t::bank, clas_clock_bank_t::c0, clas_corr_t::c0, CLAS_CH_NUM, clas_corr_t::clock_time, clas_ctx_t::current, clas_corr_t::flag, get_close_clock(), init_grid_index(), clas_clock_bank_t::iod, clas_corr_t::iod, MAXSAT, clas_grid_t::network, clas_corr_t::orbit_time, clas_clock_bank_t::prn, clas_corr_t::prn, SSR_CH_NUM, clas_clock_bank_t::time, clas_corr_t::time, timediff(), clas_clock_bank_t::udi, clas_corr_t::udi, clas_bank_ctrl_t::use, and clas_corr_t::use.

Referenced by ppp_rtk_pos().

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◆ clas_route_l6frame()

int clas_route_l6frame	(	clas_ctx_t *	ctx,
		int	prn,
		int	ptn,
		int	l6mrg,
		gtime_t	now )

extern

Route one interleaved L6D frame to a CLAS channel (or drop it).

A single UBX/SBF stream from a multi-channel L6 receiver (e.g. u-blox D9C, and future receivers with more channels) carries L6D frames from several QZS PRNs interleaved. Each CLAS channel decodes one PRN's subframe sequence statefully, so frames from different PRNs must NOT be mixed into the same channel. This router keeps each channel locked to a single active source PRN and drops frames from any other PRN, re-locking only after the active source has been silent for CLAS_L6_RELOCK_TIMEOUT seconds.

Channels are keyed by CLAS Transmit Pattern ID (IS-QZSS-L6 §4.1.1.2): there are only two patterns, so two channels suffice regardless of how many PRNs the receiver tracks. Single-channel CLAS (l6mrg=0) uses ch 0 only and collapses to whichever pattern is currently active; dual-channel CLAS (l6mrg!=0) maps each pattern to its own channel for merging.

Parameters

[in,out]	ctx	CLAS context (holds per-channel PRN/pattern/time lock)
[in]	prn	Broadcasting QZS PRN (L6 frame byte buff[4])
[in]	ptn	CLAS Transmit Pattern ID, (buff[5] & 0x06) >> 1
[in]	l6mrg	L6 merge mode (0:single channel, !=0:dual channel)
[in]	now	Current observation time (GPST) used for the timeout

Returns: Channel index (0..CLAS_CH_NUM-1) to feed, or -1 to drop the frame.

Definition at line 3070 of file mrtk_clas.c.

References CLAS_CH_NUM, CLAS_L6_RELOCK_TIMEOUT, clas_ctx_t::l6delivery, clas_ctx_t::l6lock_time, clas_ctx_t::l6pattern, gtime_t::time, timediff(), and trace().

Referenced by decoderaw().

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◆ clas_set_l6tag()

void clas_set_l6tag	(	clas_ctx_t *	ctx,
		int	ch,
		double	tag )

extern

Set the receiver time tag of the L6 frame about to be input.

L6 frames are broadcast once per second and the L6 header has no frame counter, so a lost frame can only be seen from the receiver time. Call this before inputting each frame when the receiver reports a per-frame time (SBF QZSRawL6 block TOW, UBX-RXM-QZSSL6 time tag). A subframe with a frame missing is then discarded instead of being decoded from shifted bits (#363). Inputs without a time tag (raw L6 byte streams and files) are not checked.

Parameters

[in,out]	ctx	CLAS context
[in]	ch	Channel index (0 or 1)
[in]	tag	Receiver time of the frame (s, any origin; 0: unknown)

Definition at line 3215 of file mrtk_clas.c.

References clas_l6buf_t::ftag, and clas_ctx_t::l6buf.

Referenced by decoderaw().

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◆ clas_update_global()

void clas_update_global	(	nav_t *	nav,
		const clas_corr_t *	corr,
		int	ch )

extern

Apply global corrections (orbit/clock/bias) to nav_t.ssr[].

Parameters

[in,out]	nav	Navigation data
[in]	corr	Merged correction snapshot
[in]	ch	Channel index

Definition at line 1430 of file mrtk_clas.c.

References clas_corr_t::c0, clas_corr_t::cbias, ssr_t::cbias, ssr_t::dclk, ssr_t::ddeph, ssr_t::deph, clas_corr_t::deph0, clas_corr_t::deph1, clas_corr_t::deph2, ssr_t::discnt, clas_corr_t::facility, nav_s::facility, clas_corr_t::iod, ssr_t::iod, clas_corr_t::iode, ssr_t::iode, MAXCODE, MAXSAT, clas_corr_t::pbias, ssr_t::pbias, clas_corr_t::prn, clas_corr_t::smode, nav_s::ssr_ch, ssr_t::t0, clas_corr_t::time, clas_corr_t::udi, ssr_t::udi, and ssr_t::update.

Referenced by clas_ssr2osr(), decoderaw(), ppp_rtk_pos(), and update_clas().

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◆ clas_update_local()

void clas_update_local	(	nav_t *	nav,
		const clas_corr_t *	corr,
		int	ch )

extern

Apply local corrections (trop/STEC) to nav_t.

Parameters

[in,out]	nav	Navigation data
[in]	corr	Merged correction snapshot
[in]	ch	Channel index

Definition at line 1493 of file mrtk_clas.c.

Referenced by clas_ssr2osr(), and ppp_rtk_pos().

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◆ corr_bias_slot()

int corr_bias_slot	(	const int	smode[70],
		int	mode )

static

Definition at line 1106 of file mrtk_clas.c.

References MAXCODE.

Referenced by clas_bank_get_close().

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◆ cssr_gnss2sys()

int cssr_gnss2sys	(	int	gnss,
		int *	prn0 )

extern

Convert CSSR GNSS ID to RTKLIB system bitmask.

Parameters

[in]	gnss	CSSR GNSS ID (CSSR_SYS_GPS, etc.)
[out]	prn0	Output base PRN offset (can be NULL)

Returns: RTKLIB system bitmask (SYS_GPS, etc.), 0 on error

Definition at line 175 of file mrtk_clas.c.

References CSSR_SYS_BDS, CSSR_SYS_GAL, CSSR_SYS_GLO, CSSR_SYS_GPS, CSSR_SYS_QZS, CSSR_SYS_SBS, SYS_CMP, SYS_GAL, SYS_GLO, SYS_GPS, SYS_NONE, SYS_QZS, and SYS_SBS.

Referenced by svmask2nsatlist(), and svmask2sat().

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◆ cssr_sys2gnss()

int cssr_sys2gnss	(	int	sys,
		int *	prn0 )

extern

Convert RTKLIB system bitmask to CSSR GNSS ID.

Parameters

[in]	sys	RTKLIB system (SYS_GPS, etc.)
[out]	prn0	Output base PRN offset (can be NULL)

Returns: CSSR GNSS ID, CSSR_SYS_NONE on error

Definition at line 140 of file mrtk_clas.c.

References CSSR_SYS_BDS, CSSR_SYS_GAL, CSSR_SYS_GLO, CSSR_SYS_GPS, CSSR_SYS_NONE, CSSR_SYS_QZS, CSSR_SYS_SBS, SYS_CMP, SYS_GAL, SYS_GLO, SYS_GPS, SYS_QZS, and SYS_SBS.

Referenced by sigmask2sig(), and sigmask2sig_p().

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◆ decode_cssr_atmos()

int decode_cssr_atmos	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2676 of file mrtk_clas.c.

References clas_ctx_t::bank, clas_l6buf_t::buff, check_cssr_changed_facility(), check_week_ref(), CLAS_MAX_GP, clas_ctx_t::cssr, CSSR_INVALID_VALUE, CSSR_MAX_GP, CSSR_MAX_NET, CSSR_MAX_SV, CSSR_REF_ATMOSPHERIC, CSSR_TROP_HS_REF, D2R, decode_cssr_head(), decode_cssr_quality_stec(), decode_cssr_quality_trop(), decode_sval(), getbitu(), gpst2time(), ssrn_t::grid, clas_ctx_t::grid_pos, cssr_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, clas_l6buf_t::nbit, cssr_t::net_svmask, ssrn_t::ngp, ssrn_t::nsat, ssrn_t::quality, R2D, ssrn_t::sat, set_cssr_bank_trop(), set_cssr_latest_trop(), cssr_t::ssrn, ssrn_t::stec, ssrn_t::stec0, cssr_t::svmask, svmask2sat(), ssrn_t::t0, clas_l6buf_t::time, trace(), ssrn_t::trop_total, ssrn_t::trop_wet, ssrn_t::update, clas_ctx_t::updateac, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_bias()

int decode_cssr_bias	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2185 of file mrtk_clas.c.

References clas_l6buf_t::buff, clas_dec_ssr_t::cbias, cssr_t::cellmask, check_cssr_changed_facility(), check_week_ref(), clas_ctx_t::cssr, CSSR_MAX_SIG, CSSR_MAX_SV, CSSR_REF_BIAS, clas_ctx_t::dec_ssr, decode_cssr_head(), decode_sval(), clas_dec_ssr_t::discnt, getbitu(), gpst2time(), clas_dec_ssr_t::iod, cssr_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, MAXCODE, MAXSAT, clas_l6buf_t::nbit, clas_dec_ssr_t::nsig, clas_dec_ssr_t::pbias, gtime_t::sec, set_cssr_bank_cbias(), set_cssr_bank_pbias(), cssr_t::sigmask, sigmask2sig(), clas_dec_ssr_t::smode, cssr_t::svmask, svmask2sat(), clas_dec_ssr_t::t0, clas_l6buf_t::time, gtime_t::time, trace(), clas_dec_ssr_t::udi, clas_dec_ssr_t::update, clas_dec_ssr_t::update_cb, clas_dec_ssr_t::update_pb, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_cb()

int decode_cssr_cb	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2059 of file mrtk_clas.c.

References clas_l6buf_t::buff, clas_dec_ssr_t::cbias, cssr_t::cellmask, check_cssr_changed_facility(), check_week_ref(), clas_ctx_t::cssr, CSSR_MAX_SIG, CSSR_MAX_SV, CSSR_REF_CBIAS, clas_ctx_t::dec_ssr, decode_cssr_head(), decode_sval(), gpst2time(), clas_dec_ssr_t::iod, cssr_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, MAXCODE, MAXSAT, clas_l6buf_t::nbit, clas_dec_ssr_t::nsig, gtime_t::sec, set_cssr_bank_cbias(), cssr_t::sigmask, sigmask2sig(), clas_dec_ssr_t::smode, cssr_t::svmask, svmask2sat(), clas_dec_ssr_t::t0, clas_l6buf_t::time, gtime_t::time, trace(), clas_dec_ssr_t::udi, clas_dec_ssr_t::update, clas_dec_ssr_t::update_cb, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_cc()

int decode_cssr_cc	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2007 of file mrtk_clas.c.

References clas_l6buf_t::buff, check_cssr_changed_facility(), check_week_ref(), clas_ctx_t::cssr, CSSR_MAX_SV, CSSR_REF_CLOCK, clas_dec_ssr_t::dclk, clas_ctx_t::dec_ssr, decode_cssr_head(), decode_sval(), gpst2time(), clas_dec_ssr_t::iod, cssr_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, MAXSAT, clas_l6buf_t::nbit, gtime_t::sec, set_cssr_bank_clock(), cssr_t::svmask, svmask2sat(), clas_dec_ssr_t::t0, clas_l6buf_t::time, gtime_t::time, trace(), clas_dec_ssr_t::udi, clas_dec_ssr_t::update, clas_dec_ssr_t::update_cc, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_combo()

int decode_cssr_combo	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2560 of file mrtk_clas.c.

References clas_ctx_t::bank, clas_l6buf_t::buff, check_cssr_changed_facility(), check_week_ref(), clas_ctx_t::cssr, CSSR_INVALID_VALUE, CSSR_MAX_SV, CSSR_REF_COMBINED, clas_dec_ssr_t::dclk, clas_dec_ssr_t::ddeph, clas_ctx_t::dec_ssr, decode_cssr_head(), decode_sval(), clas_dec_ssr_t::deph, getbitu(), gpst2time(), clas_dec_ssr_t::iod, cssr_t::iod, clas_dec_ssr_t::iode, clas_ctx_t::l6facility, cssr_t::l6facility, MAXSAT, clas_l6buf_t::nbit, satsys(), gtime_t::sec, clas_bank_ctrl_t::separation, set_cssr_bank_clock(), set_cssr_bank_orbit(), cssr_t::svmask, svmask2sat(), SYS_GAL, clas_dec_ssr_t::t0, clas_l6buf_t::time, gtime_t::time, trace(), clas_dec_ssr_t::udi, clas_dec_ssr_t::update, clas_dec_ssr_t::update_cc, clas_dec_ssr_t::update_oc, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_grid()

int decode_cssr_grid	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2415 of file mrtk_clas.c.

References ssrn_t::a, clas_ctx_t::bank, clas_l6buf_t::buff, check_cssr_changed_facility(), check_week_ref(), CLAS_MAX_GP, clas_ctx_t::cssr, CSSR_INVALID_VALUE, CSSR_MAX_GP, CSSR_MAX_NET, CSSR_MAX_SV, CSSR_REF_GRID, CSSR_TROP_HS_REF, D2R, decode_cssr_head(), decode_cssr_quality_trop(), decode_sval(), getbits(), getbitu(), gpst2time(), ssrn_t::grid, clas_ctx_t::grid_pos, cssr_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, clas_l6buf_t::nbit, cssr_t::net_svmask, ssrn_t::ngp, ssrn_t::nsat, P2_S8_MAX, P2_S9_MAX, ssrn_t::quality, R2D, ssrn_t::sat, set_cssr_bank_trop(), set_cssr_latest_trop(), cssr_t::ssrn, ssrn_t::stec, ssrn_t::stec0, cssr_t::svmask, svmask2sat(), ssrn_t::t0, clas_l6buf_t::time, trace(), ssrn_t::trop_total, ssrn_t::trop_wet, ssrn_t::update, clas_ctx_t::updateac, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_head()

int decode_cssr_head	(	clas_ctx_t *	ctx,
		clas_l6buf_t *	l6,
		cssr_t *	cssr,
		int *	sync,
		int *	tow,
		int *	iod,
		double *	udint,
		int *	ngnss,
		int	i0 )

static

Definition at line 1506 of file mrtk_clas.c.

References clas_l6buf_t::buff, CSSR_TYPE_MASK, getbitu(), cssr_t::iod, ssrudint, clas_l6buf_t::subtype, clas_l6buf_t::time, gtime_t::time, clas_l6buf_t::tow0, clas_l6buf_t::tow_last, and trace().

Referenced by decode_cssr_atmos(), decode_cssr_bias(), decode_cssr_cb(), decode_cssr_cc(), decode_cssr_combo(), decode_cssr_grid(), decode_cssr_mask(), decode_cssr_oc(), decode_cssr_pb(), decode_cssr_stec(), and decode_cssr_ura().

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◆ decode_cssr_mask()

int decode_cssr_mask	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 1875 of file mrtk_clas.c.

References clas_l6buf_t::buff, cssr_t::cellmask, check_week_ref(), cssr_t::cmi, clas_ctx_t::cssr, CSSR_MAX_GNSS, CSSR_MAX_SV, CSSR_REF_MASK, decode_cssr_head(), getbitu(), gpst2time(), cssr_t::iod, clas_ctx_t::l6delivery, cssr_t::l6delivery, clas_ctx_t::l6facility, cssr_t::l6facility, clas_l6buf_t::nbit, cssr_t::sigmask, sigmask2nsig(), cssr_t::svmask, svmask2nsatlist(), clas_l6buf_t::time, clas_l6buf_t::tow0, trace(), and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_oc()

int decode_cssr_oc	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 1937 of file mrtk_clas.c.

References clas_l6buf_t::buff, check_cssr_changed_facility(), check_week_ref(), clas_ctx_t::cssr, CSSR_INVALID_VALUE, CSSR_MAX_SV, CSSR_REF_ORBIT, clas_dec_ssr_t::ddeph, clas_ctx_t::dec_ssr, decode_cssr_head(), decode_sval(), clas_dec_ssr_t::deph, getbitu(), gpst2time(), clas_dec_ssr_t::iod, cssr_t::iod, clas_dec_ssr_t::iode, clas_ctx_t::l6facility, cssr_t::l6facility, MAXSAT, clas_l6buf_t::nbit, satsys(), gtime_t::sec, set_cssr_bank_orbit(), cssr_t::svmask, svmask2sat(), SYS_GAL, clas_dec_ssr_t::t0, clas_l6buf_t::time, gtime_t::time, trace(), clas_dec_ssr_t::udi, clas_dec_ssr_t::update, clas_dec_ssr_t::update_oc, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_pb()

int decode_cssr_pb	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2121 of file mrtk_clas.c.

References clas_l6buf_t::buff, cssr_t::cellmask, check_cssr_changed_facility(), check_week_ref(), clas_ctx_t::cssr, CSSR_MAX_SIG, CSSR_MAX_SV, CSSR_REF_PBIAS, clas_ctx_t::dec_ssr, decode_cssr_head(), decode_sval(), clas_dec_ssr_t::discnt, getbitu(), gpst2time(), clas_dec_ssr_t::iod, cssr_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, MAXCODE, MAXSAT, clas_l6buf_t::nbit, clas_dec_ssr_t::nsig, clas_dec_ssr_t::pbias, gtime_t::sec, set_cssr_bank_pbias(), cssr_t::sigmask, sigmask2sig(), clas_dec_ssr_t::smode, cssr_t::svmask, svmask2sat(), clas_dec_ssr_t::t0, clas_l6buf_t::time, gtime_t::time, trace(), clas_dec_ssr_t::udi, clas_dec_ssr_t::update, clas_dec_ssr_t::update_pb, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_quality_stec()

float decode_cssr_quality_stec	(	int	a,
		int	b )

static

Definition at line 257 of file mrtk_clas.c.

Referenced by decode_cssr_atmos(), and decode_cssr_stec().

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◆ decode_cssr_quality_trop()

float decode_cssr_quality_trop	(	int	a,
		int	b )

static

Definition at line 264 of file mrtk_clas.c.

Referenced by decode_cssr_atmos(), and decode_cssr_grid().

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◆ decode_cssr_si()

int decode_cssr_si	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2534 of file mrtk_clas.c.

References clas_l6buf_t::buff, clas_ctx_t::cssr, getbitu(), clas_l6buf_t::nbit, cssr_t::si_cnt, cssr_t::si_data, and cssr_t::si_sz.

Referenced by decode_qzs_msg().

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◆ decode_cssr_stec()

int decode_cssr_stec	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2342 of file mrtk_clas.c.

References ssrn_t::a, clas_l6buf_t::buff, check_week_ref(), clas_ctx_t::cssr, CSSR_MAX_NET, CSSR_MAX_SV, CSSR_REF_STEC, decode_cssr_head(), decode_cssr_quality_stec(), decode_sval(), getbitu(), gpst2time(), cssr_t::iod, ssrn_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, clas_l6buf_t::nbit, cssr_t::net_svmask, ssrn_t::nsat_f, cssr_t::opt, ssrn_t::quality_f, ssrn_t::sat_f, cssr_t::ssrn, cssropt_t::stec_type, cssr_t::svmask, svmask2sat(), ssrn_t::t0, clas_l6buf_t::time, trace(), ssrn_t::udi, ssrn_t::update, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_cssr_ura()

int decode_cssr_ura	(	clas_ctx_t *	ctx,
		int	ch,
		clas_l6buf_t *	l6,
		int	i0 )

static

Definition at line 2304 of file mrtk_clas.c.

References clas_l6buf_t::buff, check_week_ref(), clas_ctx_t::cssr, CSSR_MAX_SV, CSSR_REF_URA, clas_ctx_t::dec_ssr, decode_cssr_head(), getbitu(), gpst2time(), clas_dec_ssr_t::iod, cssr_t::iod, clas_ctx_t::l6facility, cssr_t::l6facility, clas_l6buf_t::nbit, cssr_t::svmask, svmask2sat(), clas_dec_ssr_t::t0, clas_l6buf_t::time, trace(), clas_dec_ssr_t::udi, clas_dec_ssr_t::update, clas_dec_ssr_t::update_ura, clas_dec_ssr_t::ura, and clas_ctx_t::week_ref.

Referenced by decode_qzs_msg().

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◆ decode_qzs_msg()

int decode_qzs_msg	(	clas_ctx_t *	ctx,
		int	ch )

static

Definition at line 2883 of file mrtk_clas.c.

Referenced by clas_decode_msg(), and clas_input_cssrf().

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◆ decode_sval()

double decode_sval	(	const uint8_t *	buff,
		int	i,
		int	n,
		double	lsb )

static

Definition at line 134 of file mrtk_clas.c.

References CSSR_INVALID_VALUE, and getbits().

Referenced by decode_cssr_atmos(), decode_cssr_bias(), decode_cssr_cb(), decode_cssr_cc(), decode_cssr_combo(), decode_cssr_grid(), decode_cssr_oc(), decode_cssr_pb(), and decode_cssr_stec().

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◆ get_bias_save_point()

int get_bias_save_point	(	clas_bias_bank_t *	bias,
		int	prn,
		int	mode )

static

Definition at line 598 of file mrtk_clas.c.

References MAXCODE, and clas_bias_bank_t::smode.

Referenced by add_base_value_to_cbias(), add_base_value_to_pbias(), set_cssr_bank_cbias(), and set_cssr_bank_pbias().

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◆ get_close_cbias()

clas_bias_bank_t * get_close_cbias	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network,
		double	age )

static

Definition at line 505 of file mrtk_clas.c.

References clas_bias_bank_t::bflag, clas_bank_ctrl_t::BiasBank, CLAS_BANK_NUM, CLAS_MAX_NETWORK, clas_bias_bank_t::network, clas_bias_bank_t::time, timediff(), and clas_bias_bank_t::use.

Referenced by get_close_net_cbias().

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◆ get_close_clock()

clas_clock_bank_t * get_close_clock	(	clas_bank_ctrl_t *	bank,
		gtime_t	obstime,
		gtime_t	time,
		int	network,
		double	age )

static

Definition at line 472 of file mrtk_clas.c.

References CLAS_BANK_NUM, CLAS_MAX_NETWORK, clas_bank_ctrl_t::ClockBank, clas_clock_bank_t::network, search(), clas_bank_ctrl_t::separation, clas_clock_bank_t::time, timediff(), and clas_clock_bank_t::use.

Referenced by clas_restore_backup(), and sub_get_close_cssr().

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◆ get_close_net_cbias()

clas_bias_bank_t * get_close_net_cbias	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network,
		double	age )

static

Definition at line 551 of file mrtk_clas.c.

References get_close_cbias().

Referenced by sub_get_close_cssr().

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◆ get_close_net_pbias()

clas_bias_bank_t * get_close_net_pbias	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network,
		double	age )

static

Definition at line 561 of file mrtk_clas.c.

References get_close_pbias().

Referenced by sub_get_close_cssr().

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◆ get_close_orbit()

clas_orbit_bank_t * get_close_orbit	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network,
		double	age )

static

Definition at line 434 of file mrtk_clas.c.

References CLAS_BANK_NUM, CLAS_MAX_NETWORK, clas_orbit_bank_t::network, clas_bank_ctrl_t::OrbitBank, search(), clas_bank_ctrl_t::separation, clas_orbit_bank_t::time, timediff(), and clas_orbit_bank_t::use.

Referenced by clas_check_grid_status_time(), and sub_get_close_cssr().

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◆ get_close_pbias()

clas_bias_bank_t * get_close_pbias	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network,
		double	age )

static

Definition at line 528 of file mrtk_clas.c.

References clas_bias_bank_t::bflag, clas_bank_ctrl_t::BiasBank, CLAS_BANK_NUM, CLAS_MAX_NETWORK, clas_bias_bank_t::network, clas_bias_bank_t::time, timediff(), and clas_bias_bank_t::use.

Referenced by get_close_net_pbias().

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◆ get_close_trop()

clas_trop_bank_t * get_close_trop	(	clas_bank_ctrl_t *	bank,
		gtime_t	obstime,
		gtime_t	time,
		int	network,
		double	age,
		int	tropless )

static

Definition at line 571 of file mrtk_clas.c.

References CLAS_BANK_NUM, CLAS_MAX_NETWORK, clas_trop_bank_t::gridnum, clas_trop_bank_t::time, timediff(), clas_bank_ctrl_t::TropBank, and clas_trop_bank_t::use.

Referenced by clas_check_grid_status_time(), and sub_get_close_cssr().

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◆ get_cssr_latest_iono()

int get_cssr_latest_iono	(	clas_bank_ctrl_t *	bank,
		double *	iono,
		gtime_t	time,
		int	network,
		int	index,
		int	sat )

static

Definition at line 862 of file mrtk_clas.c.

References CSSR_INVALID_VALUE, CSSR_STECVALIDAGE, FREQ1, FREQ2, clas_bank_ctrl_t::LatestTrop, clas_latest_trop_t::prn, clas_latest_trop_t::stec, clas_latest_trop_t::stec0, clas_latest_trop_t::stectime, and timediff().

Referenced by set_cssr_bank_trop().

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◆ get_cssr_latest_trop()

int get_cssr_latest_trop	(	clas_bank_ctrl_t *	bank,
		double *	total,
		double *	wet,
		gtime_t	time,
		int	network,
		int	index )

static

Definition at line 849 of file mrtk_clas.c.

References CSSR_INVALID_VALUE, CSSR_TROPVALIDAGE, clas_bank_ctrl_t::LatestTrop, timediff(), clas_latest_trop_t::total, clas_latest_trop_t::troptime, and clas_latest_trop_t::wet.

Referenced by set_cssr_bank_trop().

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◆ get_same_bias()

clas_bias_bank_t * get_same_bias	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network )

static

Definition at line 409 of file mrtk_clas.c.

References clas_bank_ctrl_t::BiasBank, CLAS_BANK_NUM, clas_bias_bank_t::network, clas_bias_bank_t::time, timediff(), and clas_bias_bank_t::use.

Referenced by add_base_value_to_cbias(), add_base_value_to_pbias(), set_cssr_bank_cbias(), and set_cssr_bank_pbias().

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◆ get_same_clock()

clas_clock_bank_t * get_same_clock	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network )

static

Definition at line 398 of file mrtk_clas.c.

References CLAS_BANK_NUM, clas_bank_ctrl_t::ClockBank, clas_clock_bank_t::network, clas_clock_bank_t::time, timediff(), and clas_clock_bank_t::use.

Referenced by set_cssr_bank_clock().

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◆ get_same_orbit()

clas_orbit_bank_t * get_same_orbit	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network )

static

Definition at line 387 of file mrtk_clas.c.

References CLAS_BANK_NUM, clas_orbit_bank_t::network, clas_bank_ctrl_t::OrbitBank, clas_orbit_bank_t::time, timediff(), and clas_orbit_bank_t::use.

Referenced by set_cssr_bank_orbit().

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◆ get_same_trop()

clas_trop_bank_t * get_same_trop	(	clas_bank_ctrl_t *	bank,
		gtime_t	time )

static

Definition at line 420 of file mrtk_clas.c.

References CLAS_BANK_NUM, clas_trop_bank_t::time, timediff(), clas_bank_ctrl_t::TropBank, and clas_trop_bank_t::use.

Referenced by set_cssr_bank_trop().

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◆ init_grid_index()

void init_grid_index ( clas_corr_t * corr )

static

Definition at line 992 of file mrtk_clas.c.

References CLAS_MAX_GP, stec_t::data, zwd_t::data, MAXSAT, stec_t::nmax, zwd_t::nmax, clas_corr_t::stec, clas_corr_t::stecdata, clas_corr_t::zwd, and clas_corr_t::zwddata.

Referenced by clas_backup_current(), clas_bank_get_close(), clas_clear_current(), and clas_restore_backup().

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◆ set_cssr_bank_cbias()

void set_cssr_bank_cbias	(	clas_ctx_t *	ctx,
		int	ch,
		gtime_t	time,
		int	network,
		int	iod )

static

Definition at line 723 of file mrtk_clas.c.

Referenced by decode_cssr_bias(), and decode_cssr_cb().

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◆ set_cssr_bank_clock()

void set_cssr_bank_clock	(	clas_ctx_t *	ctx,
		int	ch,
		gtime_t	time,
		int	network )

static

Definition at line 681 of file mrtk_clas.c.

References clas_ctx_t::bank, clas_clock_bank_t::c0, CLAS_BANK_NUM, clas_bank_ctrl_t::ClockBank, CSSR_INVALID_VALUE, clas_dec_ssr_t::dclk, clas_ctx_t::dec_ssr, get_same_clock(), clas_clock_bank_t::iod, clas_dec_ssr_t::iod, MAXSAT, clas_clock_bank_t::network, clas_bank_ctrl_t::NextClock, clas_clock_bank_t::prn, clas_clock_bank_t::time, clas_clock_bank_t::udi, clas_dec_ssr_t::udi, clas_dec_ssr_t::update_cc, and clas_clock_bank_t::use.

Referenced by decode_cssr_cc(), and decode_cssr_combo().

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◆ set_cssr_bank_orbit()

void set_cssr_bank_orbit	(	clas_ctx_t *	ctx,
		int	ch,
		gtime_t	time,
		int	network )

static

Definition at line 634 of file mrtk_clas.c.

References clas_ctx_t::bank, CLAS_BANK_NUM, CSSR_INVALID_VALUE, clas_ctx_t::dec_ssr, clas_dec_ssr_t::deph, clas_orbit_bank_t::deph0, clas_orbit_bank_t::deph1, clas_orbit_bank_t::deph2, get_same_orbit(), clas_dec_ssr_t::iod, clas_orbit_bank_t::iod, clas_dec_ssr_t::iode, clas_orbit_bank_t::iode, MAXSAT, clas_orbit_bank_t::network, clas_bank_ctrl_t::NextOrbit, clas_bank_ctrl_t::OrbitBank, clas_orbit_bank_t::prn, clas_orbit_bank_t::time, clas_dec_ssr_t::udi, clas_orbit_bank_t::udi, clas_dec_ssr_t::update_oc, and clas_orbit_bank_t::use.

Referenced by decode_cssr_combo(), and decode_cssr_oc().

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◆ set_cssr_bank_pbias()

void set_cssr_bank_pbias	(	clas_ctx_t *	ctx,
		int	ch,
		gtime_t	time,
		int	network,
		int	iod )

static

Definition at line 773 of file mrtk_clas.c.

Referenced by decode_cssr_bias(), and decode_cssr_pb().

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◆ set_cssr_bank_trop()

void set_cssr_bank_trop	(	clas_ctx_t *	ctx,
		int	ch,
		gtime_t	time,
		ssrn_t *	ssrn,
		int	network )

static

Definition at line 880 of file mrtk_clas.c.

References clas_ctx_t::bank, CLAS_BANK_NUM, CSSR_INVALID_VALUE, FREQ1, FREQ2, get_cssr_latest_iono(), get_cssr_latest_trop(), get_same_trop(), ssrn_t::grid, clas_trop_bank_t::gridnum, clas_trop_bank_t::gridpos, clas_trop_bank_t::iono, clas_bank_ctrl_t::NextTrop, ssrn_t::ngp, ssrn_t::nsat, clas_trop_bank_t::prn, ssrn_t::sat, clas_trop_bank_t::satnum, ssrn_t::stec, clas_trop_bank_t::time, clas_trop_bank_t::total, ssrn_t::trop_total, ssrn_t::trop_wet, clas_bank_ctrl_t::TropBank, clas_trop_bank_t::use, and clas_trop_bank_t::wet.

Referenced by decode_cssr_atmos(), and decode_cssr_grid().

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◆ set_cssr_latest_trop()

void set_cssr_latest_trop	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		ssrn_t *	ssrn,
		int	network )

static

Definition at line 827 of file mrtk_clas.c.

References CSSR_INVALID_VALUE, clas_latest_trop_t::gridnum, clas_bank_ctrl_t::LatestTrop, ssrn_t::ngp, ssrn_t::nsat, clas_latest_trop_t::prn, ssrn_t::sat, clas_latest_trop_t::stec, ssrn_t::stec, clas_latest_trop_t::stec0, ssrn_t::stec0, clas_latest_trop_t::stectime, clas_latest_trop_t::total, ssrn_t::trop_total, ssrn_t::trop_wet, clas_latest_trop_t::troptime, and clas_latest_trop_t::wet.

Referenced by decode_cssr_atmos(), and decode_cssr_grid().

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◆ set_grid_data()

void set_grid_data	(	clas_corr_t *	corr,
		double *	pos,
		int	index )

static

Definition at line 1002 of file mrtk_clas.c.

References stec_t::n, zwd_t::n, stec_t::pos, zwd_t::pos, R2D, clas_corr_t::stec, and clas_corr_t::zwd.

Referenced by clas_bank_get_close().

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◆ sigmask2nsig()

int sigmask2nsig ( uint16_t sigmask )

static

Definition at line 220 of file mrtk_clas.c.

References CSSR_MAX_SIG.

Referenced by check_bit_width_mask(), and decode_cssr_mask().

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◆ sigmask2sig()

int sigmask2sig	(	int	nsat,
		int *	sat,
		uint16_t *	sigmask,
		uint16_t *	cellmask,
		int *	nsig,
		int *	sig )

static

Definition at line 316 of file mrtk_clas.c.

References CODE_L1B, CODE_L1C, CODE_L1L, CODE_L1P, CODE_L1S, CODE_L1W, CODE_L1X, CODE_L2C, CODE_L2I, CODE_L2L, CODE_L2P, CODE_L2Q, CODE_L2S, CODE_L2W, CODE_L2X, CODE_L3I, CODE_L3Q, CODE_L3X, CODE_L5I, CODE_L5Q, CODE_L5X, CODE_L6I, CODE_L6Q, CODE_L6X, CODE_L7I, CODE_L7Q, CODE_L7X, CODE_L8I, CODE_L8Q, CODE_L8X, CSSR_MAX_SIG, cssr_sys2gnss(), satsys(), SYS_CMP, SYS_GAL, SYS_GLO, SYS_GPS, SYS_QZS, and SYS_SBS.

Referenced by check_bit_width_bias(), check_bit_width_cb(), check_bit_width_pb(), decode_cssr_bias(), decode_cssr_cb(), and decode_cssr_pb().

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◆ sigmask2sig_p()

int sigmask2sig_p	(	int	nsat,
		int *	sat,
		uint16_t *	sigmask,
		uint16_t *	cellmask,
		int *	nsig,
		int *	sig )

static

Definition at line 289 of file mrtk_clas.c.

References CSSR_MAX_SIG, cssr_sys2gnss(), and satsys().

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◆ sub_get_close_cssr()

int sub_get_close_cssr	(	clas_bank_ctrl_t *	bank,
		gtime_t	time,
		int	network,
		clas_orbit_bank_t **	orbit,
		clas_clock_bank_t **	clock,
		clas_bias_bank_t **	cbias,
		clas_bias_bank_t **	pbias,
		clas_trop_bank_t **	trop,
		int *	flag )

static

Definition at line 1046 of file mrtk_clas.c.

References add_base_value_to_cbias(), add_base_value_to_pbias(), clas_bank_ctrl_t::fastfix, get_close_clock(), get_close_net_cbias(), get_close_net_pbias(), get_close_orbit(), get_close_trop(), clas_bias_bank_t::time, gtime_t::time, timediff(), and trace().

Referenced by clas_bank_get_close().

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◆ svmask2nsat()

int svmask2nsat ( uint64_t svmask )

static

Definition at line 210 of file mrtk_clas.c.

References CSSR_MAX_SV_GNSS.

Referenced by check_bit_width_mask().

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◆ svmask2nsatlist()

int svmask2nsatlist	(	uint64_t	svmask,
		int	id,
		int *	sat )

static

Definition at line 230 of file mrtk_clas.c.

References cssr_gnss2sys(), CSSR_MAX_SV_GNSS, and satno().

Referenced by decode_cssr_mask().

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◆ svmask2sat()

int svmask2sat	(	uint64_t *	svmask,
		int *	sat )

static

Definition at line 241 of file mrtk_clas.c.

References cssr_gnss2sys(), CSSR_MAX_GNSS, CSSR_MAX_SV_GNSS, and satno().

Referenced by check_bit_width_atmos(), check_bit_width_bias(), check_bit_width_cb(), check_bit_width_cc(), check_bit_width_combo(), check_bit_width_grid(), check_bit_width_oc(), check_bit_width_pb(), check_bit_width_stec(), check_bit_width_ura(), decode_cssr_atmos(), decode_cssr_bias(), decode_cssr_cb(), decode_cssr_cc(), decode_cssr_combo(), decode_cssr_grid(), decode_cssr_oc(), decode_cssr_pb(), decode_cssr_stec(), and decode_cssr_ura().

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Variable Documentation

◆ ssrudint

const double ssrudint[16] = {1, 2, 5, 10, 15, 30, 60, 120, 240, 300, 600, 900, 1800, 3600, 7200, 10800}

static

Definition at line 44 of file mrtk_clas.c.

Referenced by decode_cssr_head(), decode_mcssr_head(), decode_ssr1_head(), decode_ssr2_head(), decode_ssr7_head(), and encode_ssr_head().

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ MAX

◆ MIN

◆ SQR

Function Documentation

◆ add_base_value_to_cbias()

◆ add_base_value_to_pbias()

◆ add_data_stec()

◆ add_data_trop()

◆ backup_cssr_time()

◆ check_bit_width_atmos()

◆ check_bit_width_bias()

◆ check_bit_width_cb()

◆ check_bit_width_cc()

◆ check_bit_width_combo()

◆ check_bit_width_grid()

◆ check_bit_width_mask()

◆ check_bit_width_oc()

◆ check_bit_width_pb()

◆ check_bit_width_si()

◆ check_bit_width_stec()

◆ check_bit_width_ura()

◆ check_cssr_changed_facility()

◆ check_week_ref()

◆ clas_backup_current()

◆ clas_backup_valid()

◆ clas_bank_get_close()

◆ clas_bank_init()

◆ clas_check_grid_status()

◆ clas_check_grid_status_time()

◆ clas_clear_current()

◆ clas_ctx_free()

◆ clas_ctx_init()

◆ clas_decode_msg()

◆ clas_get_correct_fac()

◆ clas_input_cssr()

◆ clas_input_cssrf()

◆ clas_read_grid_def()

◆ clas_restore_backup()

◆ clas_route_l6frame()

◆ clas_set_l6tag()

◆ clas_update_global()

◆ clas_update_local()

◆ corr_bias_slot()

◆ cssr_gnss2sys()

◆ cssr_sys2gnss()

◆ decode_cssr_atmos()

◆ decode_cssr_bias()

◆ decode_cssr_cb()

◆ decode_cssr_cc()

◆ decode_cssr_combo()

◆ decode_cssr_grid()

◆ decode_cssr_head()

◆ decode_cssr_mask()

◆ decode_cssr_oc()

◆ decode_cssr_pb()

◆ decode_cssr_quality_stec()

◆ decode_cssr_quality_trop()

◆ decode_cssr_si()

◆ decode_cssr_stec()

◆ decode_cssr_ura()

◆ decode_qzs_msg()

◆ decode_sval()

◆ get_bias_save_point()

◆ get_close_cbias()

◆ get_close_clock()

◆ get_close_net_cbias()

◆ get_close_net_pbias()

◆ get_close_orbit()

◆ get_close_pbias()

◆ get_close_trop()

◆ get_cssr_latest_iono()

◆ get_cssr_latest_trop()

◆ get_same_bias()

◆ get_same_clock()

◆ get_same_orbit()