gpsd.h-tail

来自「gpsd, a popular GPS daemon.」· H-TAIL 代码 · 共 463 行 · 第 1/2 页

#ifdef NMEA_ENABLE
	struct {
	    int part, await;		/* for tracking GSV parts */
	    struct tm date;
	    double subseconds;
#ifdef GPSCLOCK_ENABLE
	    bool ignore_trailing_edge;
#endif /* GPSCLOCK_ENABLE */
	} nmea;
#endif /* NMEA_ENABLE */
#ifdef BINARY_ENABLE
#ifdef SIRF_ENABLE
	struct {
	    unsigned int driverstate;	/* for private use */
#define SIRF_LT_231	0x01		/* SiRF at firmware rev < 231 */
#define SIRF_EQ_231     0x02            /* SiRF at firmware rev == 231 */
#define SIRF_GE_232     0x04            /* SiRF at firmware rev >= 232 */
#define UBLOX   	0x08		/* uBlox firmware with packet 0x62 */
	    unsigned long satcounter;
	    unsigned int time_seen;
#define TIME_SEEN_GPS_1	0x01	/* Seen GPS time variant 1? */
#define TIME_SEEN_GPS_2	0x02	/* Seen GPS time variant 2? */
#define TIME_SEEN_UTC_1	0x04	/* Seen UTC time variant 1? */
#define TIME_SEEN_UTC_2	0x08	/* Seen UTC time variant 2? */
#ifdef ALLOW_RECONFIGURE
	    /* fields from Navigation Parameters message */
	    bool nav_parameters_seen;	/* have we seen one? */
	    unsigned char altitude_hold_mode;
	    unsigned char altitude_hold_source;
	    int16_t altitude_source_input;
	    unsigned char degraded_mode;
	    unsigned char degraded_timeout;
	    unsigned char dr_timeout;
	    unsigned char track_smooth_mode;
#endif /* ALLOW_RECONFIGURE */
	} sirf;
#endif /* SIRF_ENABLE */
#ifdef TSIP_ENABLE
	struct {
	    int16_t gps_week;		/* Current GPS week number */
	    bool superpkt;		/* Super Packet mode requested */
	    time_t last_41;		/* Timestamps for packet requests */
	    time_t last_5c;
	    time_t last_6d;
	    time_t last_46;
	    unsigned int parity, stopbits; /* saved RS232 link parameters */
	} tsip;
#endif /* TSIP_ENABLE */
#ifdef GARMIN_ENABLE	/* private housekeeping stuff for the Garmin driver */
	struct {
	    unsigned char Buffer[4096+12];	/* Garmin packet buffer */
	    size_t BufferLen;		/* current GarminBuffer Length */
	} garmin;
#endif /* GARMIN_ENABLE */
#ifdef ZODIAC_ENABLE	/* private housekeeping stuff for the Zodiac driver */
	struct {
	    unsigned short sn;		/* packet sequence number */
	    /*
	     * Zodiac chipset channel status from PRWIZCH. Keep it so
	     * raw-mode translation of Zodiac binary protocol can send
	     * it up to the client.
	     */
#define ZODIAC_CHANNELS	12
	    unsigned int Zs[ZODIAC_CHANNELS];	/* satellite PRNs */
	    unsigned int Zv[ZODIAC_CHANNELS];	/* signal values (0-7) */
	} zodiac;
#endif /* ZODIAC_ENABLE */
#ifdef UBX_ENABLE
	struct {
            unsigned int gps_week;
    	} ubx;
#endif /* UBX_ENABLE */
#ifdef NAVCOM_ENABLE
	struct {
	    u_int8_t physical_port;
	    bool warned;
	} navcom;
#endif /* NAVCOM_ENABLE */
	/*
	 * This is not conditionalized on RTCM104_ENABLE because we need to
	 * be able to build rtcmdecode even when RTCM support is not
	 * configured in the daemon.  It doesn't take up extra space.
	 */
	struct {
	    /* ISGPS200 decoding */
	    bool            locked;
	    int             curr_offset;
	    isgps30bits_t   curr_word;
	    isgps30bits_t   buf[RTCM_WORDS_MAX];
	    unsigned int    bufindex;
	} isgps;
#endif /* BINARY_ENABLE */
    } driver;
};

/* logging levels */
#define LOG_ERROR 	0	/* errors, display always */
#define LOG_SHOUT	0	/* not an error but we should always see it */
#define LOG_WARN	1	/* not errors but may indicate a problem */
#define LOG_INF 	2	/* key informative messages */
#define LOG_PROG	3	/* progress messages */
#define LOG_IO  	4	/* IO to and from devices */
#define LOG_RAW 	5	/* raw low-level I/O */

#define IS_HIGHEST_BIT(v,m)	(v & ~((m<<1)-1))==0

/* here are the available GPS drivers */
extern struct gps_type_t **gpsd_drivers;

/* gpsd library internal prototypes */
extern gps_mask_t nmea_parse_input(struct gps_device_t *);
extern gps_mask_t nmea_parse(char *, struct gps_device_t *);
extern int nmea_send(int, const char *, ... );
extern void nmea_add_checksum(char *);

ssize_t generic_get(struct gps_device_t *);
ssize_t pass_rtcm(struct gps_device_t *, char *, size_t);

extern gps_mask_t sirf_parse(struct gps_device_t *, unsigned char *, size_t);
extern gps_mask_t evermore_parse(struct gps_device_t *, unsigned char *, size_t);
extern gps_mask_t navcom_parse(struct gps_device_t *, unsigned char *, size_t);
extern gps_mask_t garmin_ser_parse(struct gps_device_t *);
extern gps_mask_t garmintxt_parse(struct gps_device_t *);

extern bool dgnss_url(char *);
extern int dgnss_open(struct gps_context_t *, char *);
extern int dgnss_poll(struct gps_context_t *);
extern void dgnss_report(struct gps_device_t *);
extern void dgnss_autoconnect(struct gps_context_t *, double, double);

extern void rtcm_relay(struct gps_device_t *);
extern void rtcm_output_mag(isgps30bits_t *, FILE *);

extern int dgpsip_open(struct gps_context_t *, const char *);
extern void dgpsip_report(struct gps_device_t *);
extern void dgpsip_autoconnect(struct gps_context_t *, 
			       double, double, const char *);
extern int ntrip_open(struct gps_context_t *, char *);
extern void ntrip_report(struct gps_device_t *);

extern void gpsd_tty_init(struct gps_device_t *);
extern int gpsd_open(struct gps_device_t *);
extern bool gpsd_set_raw(struct gps_device_t *);
extern ssize_t gpsd_write(struct gps_device_t *, void const *, size_t);
extern bool gpsd_next_hunt_setting(struct gps_device_t *);
extern int gpsd_switch_driver(struct gps_device_t *, char *);
extern void gpsd_set_speed(struct gps_device_t *, speed_t, unsigned char, unsigned int);
extern speed_t gpsd_get_speed(struct termios *);
extern void gpsd_assert_sync(struct gps_device_t *);
extern void gpsd_close(struct gps_device_t *);

extern void gpsd_zero_satellites(/*@out@*/struct gps_data_t *sp)/*@modifies sp@*/;
extern void gpsd_interpret_subframe(struct gps_device_t *, unsigned int[]);
extern /*@ observer @*/ char *gpsd_hexdump(const void *, size_t);
extern int gpsd_hexpack(char *, char *, int);
extern int hex2bin(char *);
extern void ntpd_link_activate(struct gps_device_t *session);
extern char /*@observer@*/ *gpsd_id(/*@in@*/struct gps_device_t *);
extern void gpsd_position_fix_dump(struct gps_device_t *, /*@out@*/char[], size_t);
extern void gpsd_error_model(struct gps_device_t *, struct gps_fix_t *, struct gps_fix_t *);
extern void gpsd_clear_data(struct gps_device_t *);
extern int netlib_connectsock(const char *, const char *, const char *);
extern char /*@observer@*/ *sock2ip(int);

extern void ntpshm_init(struct gps_context_t *, bool);
extern int ntpshm_alloc(struct gps_context_t *);
extern bool ntpshm_free(struct gps_context_t *, int);
extern int ntpshm_put(struct gps_device_t *, double);
extern int ntpshm_pps(struct gps_device_t *,struct timeval *);

extern void ecef_to_wgs84fix(struct gps_data_t *,
			     double, double, double, 
			     double, double, double);
extern gps_mask_t dop(struct gps_data_t *);

/* srecord.c */
extern void hexdump(size_t, unsigned char *, unsigned char *);
extern unsigned char sr_sum(unsigned int, unsigned int, unsigned char *);
extern int bin2srec(unsigned int, unsigned int, unsigned int, unsigned char *, unsigned char *);
extern int srec_hdr(unsigned int, unsigned char *, unsigned char *);
extern int srec_fin(unsigned int, unsigned char *);
extern unsigned char hc(unsigned char);

/* exported bits for the GPS flasher */
bool sirf_write(int fd, unsigned char *msg);

/* application interface */
extern void gpsd_init(struct gps_device_t *, struct gps_context_t *, char *);
extern int gpsd_activate(struct gps_device_t *, bool);
extern void gpsd_deactivate(struct gps_device_t *);
extern gps_mask_t gpsd_poll(struct gps_device_t *);
extern void gpsd_wrap(struct gps_device_t *);

/* caller should supply this */
void gpsd_report(int, const char *, ...);

#ifdef S_SPLINT_S
extern bool finite(double);
extern int cfmakeraw(struct termios *);
extern struct protoent *getprotobyname(const char *);
extern /*@observer@*/char *strptime(const char *,const char *tp,/*@out@*/struct tm *)/*@modifies tp@*/;
extern struct tm *gmtime_r(const time_t *,/*@out@*/struct tm *tp)/*@modifies tp@*/;
extern struct tm *localtime_r(const time_t *,/*@out@*/struct tm *tp)/*@modifies tp@*/;
extern float roundf(float x);
#endif /* S_SPLINT_S */

/* some OSes don't have round(). fake it if need be */
#ifndef HAVE_ROUND
#define	round(x) ((double)rint(x))
#define roundf(x) ((float)rintf((double)x))
#endif /* !HAVE_ROUND */

/* OpenBSD and FreeBSD and Cygwin don't seem to have NAN, NetBSD does, others? */
/* XXX test for this in configure? */
#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__CYGWIN__)
#ifndef NAN
#define NAN (0.0/0.0)
#endif /* !NAN */
#endif /* list of Operating Systems */

/* Cygwin, in addition to NAN, doesn't have cfmakeraw */
#if defined(__CYGWIN__)
void cfmakeraw(struct termios *);
#endif /* defined(__CYGWIN__) */

#endif /* _gpsd_h_ */

// Local variables:
// mode: c
// end: