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/*
* gpsdclient.h -- common functions for GPSD clients
*
* This file is Copyright (c) 2010 by the GPSD project
* SPDX-License-Identifier: BSD-2-clause
*
*/
#ifndef _GPSD_GPSDCLIENT_H_
#define _GPSD_GPSDCLIENT_H_
struct exportmethod_t
/* describe an export method */
{
const char *name;
const char *magic;
const char *description;
};
struct fixsource_t
/* describe a data source */
{
char *spec; /* pointer to actual storage */
char *server;
char *port;
char *device;
};
struct exportmethod_t *export_lookup(const char *);
struct exportmethod_t *export_default(void);
void export_list(FILE *);
enum unit {unspecified, imperial, nautical, metric};
enum unit gpsd_units(void);
enum deg_str_type { deg_dd, deg_ddmm, deg_ddmmss };
float true2magnetic(double, double, double);
/* Warning: deg_to_str() not thread safe */
extern char *deg_to_str(enum deg_str_type type, double f);
extern char *deg_to_str2(enum deg_str_type type, double f,
char *buf, unsigned int buf_size,
const char *suffix_pos, const char *suffix_neg);
extern void gpsd_source_spec(const char *fromstring,
struct fixsource_t *source);
char *maidenhead(double n,double e);
/* this needs to match JSON_DATE_MAX in gpsd.h */
#define CLIENT_DATE_MAX 24
#endif /* _GPSDCLIENT_H_ */
/* gpsdclient.h ends here */
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