forked from Archive/PX4-Autopilot
31 lines
726 B
C
31 lines
726 B
C
/*
|
|
*
|
|
* NMEA library
|
|
* URL: http://nmea.sourceforge.net
|
|
* Author: Tim (xtimor@gmail.com)
|
|
* Licence: http://www.gnu.org/licenses/lgpl.html
|
|
* $Id: units.h 4 2007-08-27 13:11:03Z xtimor $
|
|
*
|
|
*/
|
|
|
|
#ifndef __NMEA_UNITS_H__
|
|
#define __NMEA_UNITS_H__
|
|
|
|
#include "config.h"
|
|
|
|
/*
|
|
* Distance units
|
|
*/
|
|
|
|
#define NMEA_TUD_YARDS (1.0936) /**< Yeards, meter * NMEA_TUD_YARDS = yard */
|
|
#define NMEA_TUD_KNOTS (1.852) /**< Knots, kilometer / NMEA_TUD_KNOTS = knot */
|
|
#define NMEA_TUD_MILES (1.609) /**< Miles, kilometer / NMEA_TUD_MILES = mile */
|
|
|
|
/*
|
|
* Speed units
|
|
*/
|
|
|
|
#define NMEA_TUS_MS (3.6) /**< Meters per seconds, (k/h) / NMEA_TUS_MS= (m/s) */
|
|
|
|
#endif /* __NMEA_UNITS_H__ */
|