gpstime.h
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00001 /*
00002  * Copyright (C) 2013 Swift Navigation Inc.
00003  * Contact: Fergus Noble <fergus@swift-nav.com>
00004  *
00005  * This source is subject to the license found in the file 'LICENSE' which must
00006  * be be distributed together with this source. All other rights reserved.
00007  *
00008  * THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
00009  * EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
00010  * WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
00011  */
00012 
00013 #ifndef LIBSWIFTNAV_TIME_H
00014 #define LIBSWIFTNAV_TIME_H
00015 
00016 #include <time.h>
00017 
00018 #include "common.h"
00019 
00023 #define GPS_WEEK_CYCLE 1
00024 
00028 #define GPS_MINUS_UTC_SECS 16
00029 
00031 #define GPS_EPOCH 315964800
00032 
00034 typedef struct __attribute__((packed)) {
00035   double tow; 
00036   u16 wn;     
00037 } gps_time_t;
00038 
00039 gps_time_t normalize_gps_time(gps_time_t);
00040 
00041 time_t gps2time(gps_time_t t);
00042 
00043 double gpsdifftime(gps_time_t end, gps_time_t beginning);
00044 
00045 #endif /* LIBSWIFTNAV_TIME_H */
00046 
00047 


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autogenerated on Sat Jun 8 2019 18:55:50