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GPS，UTC和本地时间的显示器
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转载来源：GPS，UTC和本地时间的显示器8 v' l+ M- m) N' C- O, Z
) P. f' ^; T0 ~ cGitHub仓库：http://github.com/XinLiGitHub/GpsUtcAndLocalTime
7 {+ J$ k7 J+ _( e7 r2 d f. ^! bPS：博文不再更新，后续更新会在GitHub仓库进行。, K0 f9 h ~2 N7 K6 D6 d# [& S
/ U/ R2 y# F: E9 S3 A' ^+ T* g1 _) w GPS，UTC和本地时间的显示器。程序中涉及到朱利安日期的转换，详细介绍见维基百科[Julian day](http://en.wikipedia.org/wiki/Julian_day)。# J9 N7 r& B1 h5 _' v$ w' k6 T
1 x: x+ k* \9 c: e5 q1，开发环境* s# r, Z" @. e! K7 N
1，操作系统：Windows 10 专业版/ b0 B2 m$ f9 H. F
2，IDE：Visual Studio 2015 专业版. i9 Q$ G6 ? \* a( Z
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2，程序源码+ s# W: N: V1 k- d7 z
DateTime.h文件
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- /****************************************************************1 B9 e( ~% I+ p) d2 L2 b# k9 b
- * Copyright (C) 2017, XinLi, all right reserved.# g% F; I6 h8 r% {- U' j, k
- * File name: DateTime.h8 b6 W0 P( ]- D
- * Date: 2017.10.17
/ \0 m- E; p! l/ U - * Description: Date and time module header file.
" {; \7 }% c6 A( k - *****************************************************************/, P- h' v6 v0 ?: X1 w
- ) ^2 h; T" g" y: @8 m% w7 g
- #ifndef __DATETIME_H1 u: f4 @" T* F! }; u' r
- #define __DATETIME_H* v! j6 [* ~$ X: l
- 2 r5 z# s. m+ ~' j
- /****************************************************************
2 }: _) t9 k0 e9 k( Z* O5 Y* N+ y/ c - * Header include
' J6 W3 m" f E/ z' }! x9 D - *****************************************************************/$ F; e, n2 c; d6 E3 k
- 5 D; X! K% O) _) i* t7 j
- 4 J& N. s: Y7 |$ H- r K b8 k
- /****************************************************************) s! v2 ]9 D' w, l
- * Macro definition
( D: Y' P. f5 E T) B2 m - *****************************************************************/
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+ ~" y4 l. C) w4 Y0 ~8 e" e, B* Y- , @; s0 o( i( L! ?$ b4 }4 ~
- /****************************************************************
+ U3 D. D" `; E" L+ F% Z - * Type definition0 D6 [! g, q; z7 g: s C: g. v
- *****************************************************************/
3 [+ `' t' B2 W8 N2 H7 X6 n - W7 O2 _' u f9 K# D6 W' c6 R
- 3 g" a* @# ~1 N2 s
- /****************************************************************
/ X$ G9 R' w% J& R; u0 } - * Structure definition& ]$ n2 z [( o6 g
- *****************************************************************/& E6 e) A! t, w9 V& T
- typedef struct
2 y+ ~/ x8 J: T& r x/ i - {
! X; F" Y8 \/ o. q; _( q5 n - int year;
5 R! O' U: X" [7 k {) p - int month;# I/ I& E( i9 n7 X8 t, V3 p
- int day;# q" C( z: t3 y J* F, g
- int hour;( `1 v. Z: [, g* ~
- int minute;
" s# I1 W+ Y, X: T) O; O- ^ - int second;
8 v# x: l; i* z: T - }DateTime;
# g6 \) O" R v: z+ ~
8 {; ]% X }5 ?7 s7 E; H" r- typedef struct
9 N5 A1 f. \! i3 n: t5 r - {& M+ A, k' B+ p3 Q: n3 M1 V7 W
- int week;
* d% p' d6 L. ]/ G# m - int second;
& ^9 ]0 Q6 n3 }0 w5 P2 w* B - }GpsWeekSecond;0 w$ m$ k2 o$ C3 ~# ?2 v6 v7 ^9 [
- - W5 k3 B5 d+ o& f# t3 p! H. x
- + w6 t- w5 R7 |& l# S% z `
- #ifdef __cplusplus
5 {/ G0 c# k, s2 X - extern "C" {( _2 O6 J- X6 {' U! w9 r$ E3 H5 Y
- #endif /* __cplusplus */' Z! a9 R$ B \$ O% I
, G5 I2 ^5 |% y5 ?- /****************************************************************: {0 S. h. N, T2 v2 o/ M& @
- * Variable declaration
$ B+ o, H- x$ M0 R% a - *****************************************************************/- u) a0 x8 R. _/ Z+ f2 f
- " t: ~+ B$ R6 R! \4 @
- 7 i3 G3 T' n I/ ~$ y
- /****************************************************************( E3 I: H0 t3 D" o( d3 A3 E
- * Function declaration
! W4 M5 [9 P5 ? - *****************************************************************/9 E0 ?; T. B+ D% L- V) f
- DateTime GregorianCalendarDateAddYear(DateTime time, int year);
4 U5 i: N+ c! P7 M% U4 i S - DateTime GregorianCalendarDateAddMonth(DateTime time, int month);/ k% `/ s" f" A$ G/ W: ~+ o" O
- DateTime GregorianCalendarDateAddWeek(DateTime time, int week); t- P# K& t- u; A9 p# i/ Y
- DateTime GregorianCalendarDateAddDay(DateTime time, int day);
3 N) r5 _% I, Q2 m - DateTime GregorianCalendarDateAddHour(DateTime time, int hour);
! B* j& ~7 M2 v# z5 J. G l( ?) e/ n - DateTime GregorianCalendarDateAddMinute(DateTime time, int minute);) ^( o2 N/ B. T7 `
- DateTime GregorianCalendarDateAddSecond(DateTime time, int second);
$ Y! K- }' ^ U) h9 i$ L - GpsWeekSecond GregorianCalendarDateToGpsWeekSecond(DateTime time);
- m& X3 `7 ?4 x% S6 _0 {# D - double GregorianCalendarDateToJulianDate(DateTime time);
R b! v6 }4 k1 c+ i! m1 ]5 h) S - double GregorianCalendarDateToModifiedJulianDate(DateTime time);1 j" {! x$ I r* n2 E/ `+ A m
- GpsWeekSecond GpsWeekSecondAddYear(GpsWeekSecond time, int year);
: O* L" c5 J- h. ?! a7 G; d V& j - GpsWeekSecond GpsWeekSecondAddMonth(GpsWeekSecond time, int month);
7 l7 T& t( m" m2 J$ J - GpsWeekSecond GpsWeekSecondAddWeek(GpsWeekSecond time, int week);
2 [8 s; }2 l4 x9 u - GpsWeekSecond GpsWeekSecondAddDay(GpsWeekSecond time, int day);
: k, Q: v: G- ] m9 f& O - GpsWeekSecond GpsWeekSecondAddHour(GpsWeekSecond time, int hour);
, m" `- X: K) _% ] - GpsWeekSecond GpsWeekSecondAddMinute(GpsWeekSecond time, int minute);# ]$ A# p) ?( C) m5 ?
- GpsWeekSecond GpsWeekSecondAddSecond(GpsWeekSecond time, int second);1 P2 f9 { g! O0 z! X5 {
- DateTime GpsWeekSecondToGregorianCalendarDate(GpsWeekSecond time);
( D% t" z6 N$ ^! }( _3 b - double GpsWeekSecondToJulianDate(GpsWeekSecond time);" p8 g) \! f$ x
- double GpsWeekSecondToModifiedJulianDate(GpsWeekSecond time);" C$ S/ O( K- x5 j3 K
- double JulianDateAddYear(double jd, int year);
1 T% c l& Z# X2 X g; [+ ]- x - double JulianDateAddMonth(double jd, int month);" o- l. W N. e$ Q/ u) E+ ^
- double JulianDateAddWeek(double jd, int week);
( o5 h3 k3 Y+ u' f) l% L) X0 {" ? - double JulianDateAddDay(double jd, int day);
0 s$ Z' J0 [% A - double JulianDateAddHour(double jd, int hour);, y% x. @+ K5 ?2 ^7 T: `3 a( d
- double JulianDateAddMinute(double jd, int minute);" h/ {5 g. j# _, l$ S; X! ]; G7 e4 C
- double JulianDateAddSecond(double jd, int second);
$ P! c# k) v9 P - DateTime JulianDateToGregorianCalendarDate(double jd);
3 Y% l* s+ b- H$ @5 y - GpsWeekSecond JulianDateToGpsWeekSecond(double jd);
7 Z5 ?/ r5 g# m8 U$ j$ h! C - double JulianDateToModifiedJulianDate(double jd);
* i( |5 s# z, `' _8 p. N5 r - double ModifiedJulianDateAddYear(double mjd, int year);
. W v6 Z( X" [! `# U - double ModifiedJulianDateAddMonth(double mjd, int month);
7 r6 k7 ]7 i' y r! h, y - double ModifiedJulianDateAddWeek(double mjd, int week);
5 F1 X# D; _3 c) v9 ] - double ModifiedJulianDateAddDay(double mjd, int day);
- O+ ]$ V& y3 ~! q. H- R - double ModifiedJulianDateAddHour(double mjd, int hour);: v C7 r: k& |# t, i
- double ModifiedJulianDateAddMinute(double mjd, int minute);. |2 m# Q+ Y2 k! ]$ S& I0 c: z
- double ModifiedJulianDateAddSecond(double mjd, int second);5 H! [/ ^# {) V( u
- DateTime ModifiedJulianDateToGregorianCalendarDate(double mjd);
' ]7 x5 L* V3 C2 \$ q - GpsWeekSecond ModifiedJulianDateToGpsWeekSecond(double mjd);
( w' H# R. {# P w - double ModifiedJulianDateToJulianDate(double mjd);- ?. ]+ r |# O: S
! n' }# l K* [* V; F1 Q; c# I" ], A- #ifdef __cplusplus* M- _. [0 }4 L2 {" H
- }# E/ ]( D2 b- S9 j
- #endif /* __cplusplus */
- j4 @) d# Z1 O: s - 4 l/ l5 ~$ X. u4 v! \
- #endif /* __DATETIME_H */
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DateTime.c文件
: d. |* s. J- O w K D- /****************************************************************
# |6 ?+ \+ U& b) T1 O) M - * Copyright (C) 2017, XinLi, all right reserved.! Z) v9 I5 F, a, q3 Q
- * File name: DateTime.c" S( ] u9 o/ [
- * Date: 2017.10.17
6 `9 y6 M2 Y8 {0 w/ b - * Description: Date and time module source file.
% p0 `$ ~# C- t. o - *****************************************************************/, j% S# { q% x5 k3 q! d2 I& W0 ]
- # @4 @7 M5 N/ u" W* g6 N
- /****************************************************************
' S2 l1 a5 [, B# G; T9 k - * Header include e4 M) W% F+ x- g6 `$ _& I
- *****************************************************************/
2 c3 a* v, C6 I7 ?/ ?3 K( T - #include "DateTime.h"! p5 j/ x/ b! ]; H
- 8 V0 G6 \% a9 t# v, x& z4 Y
- /**************************************************************** p- x( q) f# k3 E) q1 ^
- * Global variables, |2 G" ?- B: ]
- *****************************************************************/
) u, \; {7 T& p% W- T( c
5 S8 Y5 `& N( @3 T0 i1 ?/ U/ F M
( ^4 h* h. R( C8 a8 b- /****************************************************************
# }( L, f6 n( R: q- M - * Function declaration; D2 W0 ?: Q, r7 R+ x( o$ j
- *****************************************************************/0 n* _) f7 A: o" N7 }1 l7 W
9 A/ f& S/ X3 e6 J2 P4 i
2 b1 E* t! \8 E' S- /****************************************************************, x$ f4 r& }4 M
- * Function definition q$ v2 B' ]2 w; ?; {+ i# |& c
- *****************************************************************/1 B3 @. H9 q4 @0 S
- 0 w1 R/ v7 q4 S& E" [% H, r3 a6 G Q
- /****************************************************************/ |4 Y( V' {3 J' @5 P; p' W
- * Function: GregorianCalendarDateAddYear
; U/ J: u& y& `; S# i - * Description: Gregorian calendar date add year.
, [% b/ p+ K6 v7 R7 m2 t! U - * Input: time: Gregorian calendar date.
% ?3 u z# c7 N. R5 i z - * year: The number of year to add.
Y5 |- s3 V% P, ^ - * Output:! i; Y6 T# z- X, }) q" r/ n0 z6 [
- * Return: Gregorian calendar date.0 r8 D/ O, W5 z3 u" ^1 d1 T
- *****************************************************************/
* z V: T: O6 P/ @ - DateTime GregorianCalendarDateAddYear(DateTime time, int year)
3 ?0 ]& W2 k& L; N& Z - {. a* A, z' J8 J2 M: @
- time.year += year;
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) ^( }' s. b' b, } M, k- if(time.month == 2)6 q0 h0 }$ f2 p
- {$ z @8 j+ D: e. A/ f
- int mday = 0;
8 V1 t. p/ ]; F8 P' f8 X$ ^# q
4 m0 F9 N3 f+ `* p5 t+ w# [$ y- if((((time.year % 4) == 0) && ((time.year % 100) != 0)) || ((time.year % 400) == 0))
! x) L. U6 J; B4 @ D - {
& G, E5 b: D, h& U! e! q \+ y - mday = 29;) r- ~7 f( `+ G/ J
- }5 W! T ]0 f8 W$ c7 a
- else
/ q. z" {, t3 ?9 X4 y - {
' [& q2 T- P% t2 v - mday = 28; L1 T3 {: G$ Q
- }
! H; i) c2 w. {! D( |/ ^( p- v
2 `- W! Q. P0 O4 E$ b ~- if(time.day > mday)
. G5 D# S2 _. m( Z - {$ d* V3 D# U9 M9 R( l
- time.month += 1;2 C) H" m9 u4 _2 Z
- time.day -= mday;
+ Z; p( A' b- I - }
; s3 a& r6 v& A' Q5 I - }/ C0 t6 q$ U" H. f& f% y1 Y! }9 |
- ) H* B: e8 b% R8 [9 d
- return time;% F0 f* ] X. ]) V/ e) P; J4 e
- }
* @6 Y2 R. Q) j: h
- v5 ?6 K# ~3 l" E. M- /****************************************************************' c. d6 Y4 H: S* a
- * Function: GregorianCalendarDateAddMonth$ O) o' o r. f; S1 f4 r
- * Description: Gregorian calendar date add month.
/ q: a) y y5 R: R: w: ? - * Input: time: Gregorian calendar date.
# D' ~4 G# _/ X, c# \ - * month: The number of month to add.
, r7 d$ e$ }- I - * Output:/ T7 p9 G J" i% N, p' O
- * Return: Gregorian calendar date.7 b% o7 K" O. o9 d& j
- *****************************************************************/
) j, l, h7 g: Y. b" O - DateTime GregorianCalendarDateAddMonth(DateTime time, int month)# i2 l! h0 c/ g4 S6 x; g$ N1 N
- {% \7 ~3 U+ Y; F; v8 H* u% ]2 d
- time.year += month / 12;
! @ [# x# F$ c3 {3 O - time.month += month % 12;' J- x2 F2 X9 P( E6 m; x# d5 b
! i, R" [0 [( Q- if(time.month > 12)
5 K E y* `& u1 B- B: S) M) D - {: Y/ {: x8 {+ p9 ?$ ~
- time.year += 1;. d+ M" n0 h* ~! x
- time.month -= 12;
3 U( d2 Q" q |* w* q! f% A - }
# G; Q2 k# `+ z$ K- h
+ J/ s/ e, ?5 y' t0 l- int mday = 0;- V+ R( g+ P0 R& X p
- N- }- W3 W! i6 J0 K" N- if((time.month == 1) || (time.month == 3) || (time.month == 5) || (time.month == 7) ||% u- q1 z) f8 A5 d
- (time.month == 8) || (time.month == 10) || (time.month == 12))) z6 x2 H3 }" K' |
- {- J0 X+ Q8 y: z5 w( T8 f
- mday = 31;
1 d5 h& z) D o [$ Z - }; G% Q; D! ?1 ]3 [, ?' |
- else if((time.month == 4) || (time.month == 6) || (time.month == 9) || (time.month == 11))5 R2 R& F `& r2 ]5 s
- {
% |5 j; Z i. g4 j" ?3 V - mday = 30;# D7 J, ^5 a y' p+ U
- }
& o% j! n( P! A5 p4 { - else
( t" S) C3 a5 r1 H - {, W% X I$ l, q% v" \2 b6 |
- if((((time.year % 4) == 0) && ((time.year % 100) != 0)) || ((time.year % 400) == 0))) x% j# S* h7 u, |% r- k. `
- {
4 P3 w( r# i0 q5 \' l - mday = 29;/ C8 @ e# L# w) B- N
- }# W3 [2 a6 g; w! v
- else
& J. v" U0 j$ j( y - {: i: k! n' M& I
- mday = 28;
2 X* |' N% l3 ?0 A$ n - }
7 f) d% u1 ~! P7 Y3 k6 ? - }" G2 p& T2 ]; q1 Q1 C2 @
- 8 `9 z( |( [1 `: D, M# G/ N
- if(time.day > mday)5 ]5 @+ C/ d& V, X, n1 b6 M- `) |$ P4 A
- {. F# ]; b0 j" x$ Y) j" ^7 L
- time.month += 1;
- Z+ V$ B2 R% R) B v, C5 o - time.day -= mday;
- z6 h" {4 J4 o, w
* }" ]3 r- E* t, S- if(time.month > 12)
: G# G- }/ k# j, h6 X - {& x* k; R/ w8 v+ ?4 k: b' W
- time.year += 1;9 i& F; `1 o: k3 T1 Z
- time.month -= 12;% J* b* K* i4 G) q, r) o
- }% Y" a9 f3 w3 I5 n5 P$ E
- }
( d( r. ]' e7 z" s* S - ( }! `# K! j# J' \. V$ [% O
- return time;
C: F( g* H/ b4 Z1 {+ Q. U5 N - }
9 d6 o7 ]4 e1 P7 Q2 Z; b1 {* k - * v0 Z7 l9 x1 i
- /****************************************************************0 R9 [7 e, |7 i( I4 C0 u
- * Function: GregorianCalendarDateAddWeek
9 N+ f/ d& y8 Z3 W. Q8 K0 K0 M - * Description: Gregorian calendar date add week.
$ U6 f) R0 [# Z3 i# }5 L' [ - * Input: time: Gregorian calendar date.
: I% n" b/ G: C7 ?) k( t* d - * week: The number of week to add.% [4 c) W9 x, e: ~0 C
- * Output:
?9 K8 o0 m1 F2 V' _8 V/ P( j - * Return: Gregorian calendar date.) P* A3 r0 x. o0 j! v# c9 R
- *****************************************************************/% E. S$ f, s8 u7 G3 m- q
- DateTime GregorianCalendarDateAddWeek(DateTime time, int week) U6 w' {- Y% t( v% C
- { U. Y6 @1 I/ e' C+ Y
- double jd = GregorianCalendarDateToJulianDate(time) + week * 7.0;. P' Q6 p& ?/ _/ y. K
- ( O4 y5 c4 [9 ?8 A1 X
- return JulianDateToGregorianCalendarDate(jd);( Q- a l+ u1 @* |3 m6 h+ C4 t3 n' f
- }2 K% A \0 b# W' G6 m
9 t0 |: z( e% Z, _2 v, l- ]: W: ^- /***************************************************************** b2 F* ?1 x5 G% T7 C( A, R
- * Function: GregorianCalendarDateAddDay5 B# H+ \. j2 K4 d+ S1 G
- * Description: Gregorian calendar date add day.
- J: Y, A; @% _) N+ y6 v/ A2 i- h - * Input: time: Gregorian calendar date.
& b% g$ X, g! y1 q! B1 H6 b - * day: The number of day to add.9 D: }+ [4 ?( O4 a1 P( A
- * Output:
7 N. @6 J, x$ D, z) p - * Return: Gregorian calendar date.* _- {/ W5 A! c# m2 U/ o) c% b
- *****************************************************************/
+ P" Z D5 t# |6 m* @ - DateTime GregorianCalendarDateAddDay(DateTime time, int day); j- G8 r2 C( L4 ~
- {6 `: Z9 ]! J% h6 E
- double jd = GregorianCalendarDateToJulianDate(time) + day;2 L9 a5 b {: n, {
- T8 R3 k; X$ j* F1 m6 ]& k' n. X- return JulianDateToGregorianCalendarDate(jd);0 V* b! N1 P" F# Y" J% `
- }
! l! D! J. }5 T- A& W - 1 Z0 x9 Y. @' e$ W( S0 a! ?4 \! e% q4 z
- /****************************************************************) d8 B9 {0 A7 H3 k) P% w4 Y
- * Function: GregorianCalendarDateAddHour% ]0 V* }# g& y4 [% c& T
- * Description: Gregorian calendar date add hour.
* y" o+ I' h) L; q; H - * Input: time: Gregorian calendar date.
- O0 R* S: P6 O8 ]* Q- K - * hour: The number of hour to add.. a5 ~7 m+ A- z' z' l- b; T
- * Output:/ k& _1 Q. g* r3 h+ |
- * Return: Gregorian calendar date.( d" `: v3 l I
- *****************************************************************/
$ i: C! e" y3 j- ` - DateTime GregorianCalendarDateAddHour(DateTime time, int hour)0 I2 T% I5 ]/ [/ _* x, ?& {
- {
9 |2 H) V& m! L# N0 f - time.hour += hour;
7 X/ O' h7 f1 @, T# L# u% S - . a1 g- s2 \: y. p' [! N7 G
- double jd = GregorianCalendarDateToJulianDate(time);( h7 C1 ?' K, X) W+ @7 F% J7 O* L2 W
% l ?" N( k# J+ r; \: j- return JulianDateToGregorianCalendarDate(jd);
; V/ [# R1 |( r5 V5 L( ? - }7 B3 U6 D _ N8 v% A
7 I6 \4 Y [: V1 L- /****************************************************************2 T M8 j7 l o* X6 q8 n6 O
- * Function: GregorianCalendarDateAddMinute Y3 V' t6 m# V$ t
- * Description: Gregorian calendar date add minute.6 A2 s; u/ g5 J! e1 K, @9 O
- * Input: time: Gregorian calendar date.
4 z, n5 J$ l0 M, u6 @0 l - * minute: The number of minute to add.
- O% ~$ J6 [# o$ @ {0 v - * Output:
0 ?) z) c/ {, D& K - * Return: Gregorian calendar date.6 \1 y3 O0 l5 M/ ]( N8 p
- *****************************************************************/1 Y/ e. ?7 S1 Q% R- \) r8 Q
- DateTime GregorianCalendarDateAddMinute(DateTime time, int minute)4 C$ e6 ]$ S5 H" W: l
- {9 u8 p/ ?4 _' E. d2 d
- time.minute += minute;
! i2 F) ~, Y% f; V/ O) U$ @ - 8 ]/ R. c! F' R& U& h# _. V6 U
- double jd = GregorianCalendarDateToJulianDate(time);
. b& |6 v8 p" a3 J7 n- _ n/ ~
5 T# b6 B N* d- return JulianDateToGregorianCalendarDate(jd);
+ m& d3 D0 t! ]+ R" r+ m8 m f - }2 M: S8 F1 u% O
4 |, q1 J! }4 _6 G- Z0 U- /****************************************************************
$ `( m8 ~# `6 q! o' l: a5 T - * Function: GregorianCalendarDateAddSecond4 E3 G1 E1 e4 f C& ^8 I0 Z0 N3 A
- * Description: Gregorian calendar date add second.# O: R$ Q+ J- n- K
- * Input: time: Gregorian calendar date.
5 P5 N" H- g G/ r5 _+ R- V8 a - * second: The number of seconds to add.( \4 B/ T- s0 G* E
- * Output:
% H1 q( x2 E: J7 s$ n7 M; H - * Return: Gregorian calendar date.: j/ j! e* {/ S9 M m3 O3 v: c
- *****************************************************************/* L, n2 X. v; G# g V
- DateTime GregorianCalendarDateAddSecond(DateTime time, int second)! Y. h- I0 ^& i$ r
- {6 v# g6 ] H0 d8 P" U6 ?2 N& p
- time.second += second;
! C+ a9 [9 _# T% y
0 K6 s* W7 H8 ^" H; m6 L# p; ~- double jd = GregorianCalendarDateToJulianDate(time);" h9 Y8 u. W* n2 n4 K
1 A& E/ G* ^1 M3 z, B- return JulianDateToGregorianCalendarDate(jd);
* M) f2 y) b/ N1 A2 [ - }
" J; q0 a6 ?7 ?& j1 Z c
0 Q! f3 Y# a1 h& M- /****************************************************************
5 m; p. q' I+ E+ b, _, V4 W' J - * Function: GregorianCalendarDateToGpsWeekSecond
9 x/ E: P' b' D9 _0 B0 z3 S' ? - * Description: Gregorian calendar date to gps week and second.! L) S4 j/ a* d
- * Input: time: Gregorian calendar date.4 Z u* L S2 O* @' o0 s* }
- * Output:9 `. l) S, o& S1 U- B+ q& z8 w: L: ?
- * Return: Gps week and second.9 ^0 z1 [$ w- @2 H) l! p
- *****************************************************************/1 |, R( I4 L7 X- {# j, p
- GpsWeekSecond GregorianCalendarDateToGpsWeekSecond(DateTime time)( {$ H1 o! x5 o" o- w& j# |9 `
- {/ e. U$ ~" b) ^4 B% a! |9 h* U# z
- double jd = GregorianCalendarDateToJulianDate(time);
, K# t8 u! v+ s! {- s! l
/ c+ _" r9 n, K& [- return JulianDateToGpsWeekSecond(jd);7 e( x+ k9 `& b7 R& E
- } _6 H0 g( t) t8 j0 P! z
- ! V( B, j% `& X# U% ]
- /****************************************************************
, r+ t: ?5 y4 C2 ?" s1 v' ^ - * Function: GregorianCalendarDateToJulianDate
3 p: k/ T! T& i0 | - * Description: Gregorian calendar date to julian date.
% c! \/ ~3 s) @7 y. G1 e - * Input: time: Gregorian calendar date. k6 q9 p6 S/ ~* y& z+ n
- * Output:
% f) c4 F5 A* [) p( l - * Return: Julian date., i% ]# L2 F7 U; j3 z; j B* R& o
- *****************************************************************/3 E" r, N2 @0 O. `6 V, ^
- double GregorianCalendarDateToJulianDate(DateTime time)* A, `& r( x m8 ^
- {! w( n0 H. _( d- ~
- int jdn = (1461 * (time.year + 4800 + (time.month - 14) / 12)) / 4
/ o& h7 u0 Y+ q& ? - + (367 * (time.month - 2 - 12 * ((time.month - 14) / 12))) / 12
T/ J8 M7 F. G" N( Q- S7 C - - (3 * ((time.year + 4900 + (time.month - 14) / 12) / 100)) / 4) S3 `) X2 U* F! c' Z. c
- + time.day - 32075;
' M0 f6 x% H, L& T" [ O
: q: [4 C) ]( A1 S- double jd = jdn + ((time.hour - 12) * 3600.0 + time.minute * 60.0 + time.second) / 86400.0;
0 G' _+ l1 q, h- Q - . w1 W( T* B) t5 m* N8 P
- return jd;
" o) Z/ ?4 b0 a' {1 u - }* o. i% S& i, {4 D2 I; f: g
+ q8 ?! n1 Q* K- /****************************************************************" b7 r( f( V" G
- * Function: GregorianCalendarDateToModifiedJulianDate2 l0 J0 M, z1 Z: x
- * Description: Gregorian calendar date to modified julian date." C) p, Z/ C, M8 e6 F, t$ j, n
- * Input: time: Gregorian calendar date.
( N7 ~& z) ^2 C+ X: v7 P - * Output:
' w2 x% I) R% P8 s+ J @( I - * Return: Modified julian date.
7 X2 r/ z' D8 U$ H' U. s2 v5 ]; t - *****************************************************************/
6 Y* x- S4 C& k( S2 T3 a - double GregorianCalendarDateToModifiedJulianDate(DateTime time)$ q2 L- H5 g3 K/ x1 O0 M; U8 R5 B
- {/ D- |7 k. [- ]2 P' T8 s$ H
- return GregorianCalendarDateToJulianDate(time) - 2400000.5;
. M' Z) D/ T7 M$ [1 V3 R! ^: o# j - }
$ ]- [. G! i K) z) a7 n% y: w
) H# X" x1 i8 I$ w# t0 ~5 d- /****************************************************************% [6 X% p) b1 r# K0 V* n9 N
- * Function: GpsWeekSecondAddYear
' ?2 ^4 z# x( _0 m" D; g - * Description: Gps week and second add year.
9 n& A0 y# h; R q9 G: d8 I4 B; t - * Input: time: Gps week and second.
/ r5 P5 @7 S. [* J* D' p1 | - * year: The number of year to add.1 D) C3 z s6 m* H0 N
- * Output:
% G% C# f* C) j6 y - * Return: Gps week and second.
5 R$ B% {. E+ W, R* z* I - *****************************************************************/- @9 m6 H& {' J1 j, Y4 |% F
- GpsWeekSecond GpsWeekSecondAddYear(GpsWeekSecond time, int year)$ a7 Q6 a: s0 ?4 G& k9 b: @
- {
4 F; Y: o2 u/ A) X+ W. k. u$ L - DateTime date = GpsWeekSecondToGregorianCalendarDate(time);
% n% r$ M- z; t$ [0 z9 M+ f. o
- a& P" c1 u& `$ i% T& Z- date = GregorianCalendarDateAddYear(date, year);9 C7 P, e B {4 l7 @( i
1 R% @' d& t. ^: Y) k* M! F- return GregorianCalendarDateToGpsWeekSecond(date);
. N( o0 @9 D- j5 T$ } - }
8 e' o: G b& P6 a% H7 z - . q9 E _, V4 [2 O8 Z
- /****************************************************************
3 G: H6 b* B$ s. T2 Q; n6 F - * Function: GpsWeekSecondAddMonth0 H& C# N8 e) u$ K
- * Description: Gps week and second add month.$ M0 v, r3 r4 Q! d' M
- * Input: time: Gps week and second.8 {" a* v8 S6 }& d8 G+ G
- * month: The number of month to add.( c$ x9 {% z5 h0 Z4 x
- * Output:
- z7 Y$ X Y0 M# G' L5 ` - * Return: Gps week and second.; B& |/ b! Z7 h
- *****************************************************************/: e" L b2 M/ W: j6 c7 z6 [
- GpsWeekSecond GpsWeekSecondAddMonth(GpsWeekSecond time, int month)
& G/ p5 O2 P4 ? _ - {
% S; n+ q7 b4 W# P6 k: q - DateTime date = GpsWeekSecondToGregorianCalendarDate(time);! P( [7 D6 w3 Q" G
$ ^. m6 l* j7 i) H- date = GregorianCalendarDateAddMonth(date, month);
! q$ W/ q, c: `) ~: k9 @, B - Z4 |# j8 l. u. n8 D% Q
- return GregorianCalendarDateToGpsWeekSecond(date);* M* I/ I! m# j! L# Y7 Q% n
- }6 o' Y0 J4 p! N: J* W1 E
; ^1 n% p# n: |/ d- R, K8 a- /****************************************************************
0 ^3 f% [7 X( y7 Q% N' v - * Function: GpsWeekSecondAddWeek
8 k: c9 O3 N0 ]7 u - * Description: Gps week and second add week.1 Q; w6 X" P4 c. z/ {1 b
- * Input: time: Gps week and second.8 C/ b& j, Q% b8 [+ R4 z. {6 H
- * week: The number of week to add.5 n6 z2 C, ]8 X; n. I
- * Output:
" {& o& u$ D0 |; d3 | - * Return: Gps week and second.
1 I3 ~ C) _8 N* @8 L - *****************************************************************/
" v& }* y7 g1 M! R5 } T - GpsWeekSecond GpsWeekSecondAddWeek(GpsWeekSecond time, int week)
1 z/ _+ e. l% \, Z( j+ j; \ - {, G; }" E1 k0 d/ l g
- time.week += week;1 J3 t9 E4 I0 v5 h2 P# q
- 4 y- H i" H- C/ }! B: k$ H
- return time;( k+ Z% B+ U9 Q
- }
$ |# Y; e$ k) y1 l9 y' C
) _! [5 R9 | R# G, l7 Z) d8 r- /****************************************************************
6 q* q! I0 A7 G, d - * Function: GpsWeekSecondAddDay+ V. s8 _2 R j& w9 D
- * Description: Gps week and second add day.2 D% g/ G; x5 E0 S8 O
- * Input: time: Gps week and second.& }$ s8 p0 g% a9 _
- * day: The number of day to add.
, n' B" B; m" L3 v, T7 j4 f - * Output:4 \( ~' m( H* y2 L, ~
- * Return: Gps week and second.6 M5 ?0 ~% H3 r2 E
- *****************************************************************/* { J+ b( o+ y* ^1 @$ G
- GpsWeekSecond GpsWeekSecondAddDay(GpsWeekSecond time, int day)! t' E+ I; L/ j3 X) S8 W* M! M9 L
- {$ n' o& t/ y& K& ?4 W* T
- time.week += day / 7;+ U9 x3 H4 D0 _; {
- time.second += day % 7 * 86400;
) b' h4 I# [# J9 R
/ j5 a& H0 x2 c3 ~$ X/ x- if(time.second > 604799)) A0 n1 L- w& j& j9 i
- {
3 y4 r; g) @5 l" q. r( ?' o% J - time.week += 1;
% g( _0 G: @- k& f( z! X' m+ E - time.second -= 604800;
& ^" X6 d1 R: O6 d9 y/ t - }* V$ T3 n# ]8 o1 V% x) H# j. g
\( e. u2 E- `5 [/ M$ z# |- return time;
. Y' n4 I1 x2 M2 ~ - }& @6 |" Q" G* y. {, M
) D: {, Z! O" S3 r+ y- /****************************************************************+ M" D2 e1 L: h- B* v
- * Function: GpsWeekSecondAddHour7 \+ O+ J6 A& r8 K6 Q3 X$ m
- * Description: Gps week and second add hour.) U( t( W5 ?- y# I5 Z+ v% s
- * Input: time: Gps week and second.1 ], v1 y7 @7 {& B3 c5 G
- * hour: The number of hour to add.
( l) S$ n( R% R) N - * Output:
( _% |/ M+ ^1 w6 d - * Return: Gps week and second.
+ L$ Y1 q# j6 o# k2 r& e - *****************************************************************/
4 p- ^7 x$ x2 s+ x5 }: _ - GpsWeekSecond GpsWeekSecondAddHour(GpsWeekSecond time, int hour)
% e( r! Q8 Z4 O* p - {3 M9 [: R2 S! }+ y# e& F/ e
- time.week += hour / 168;
( U; ~2 W: x3 k1 U, x6 ]3 R" F - time.second += hour % 168 * 3600;3 g$ F4 O- b) l, Y
- ! |6 r z$ I/ _7 Z* |& o* a
- if(time.second > 604799)
2 z) {6 @! n, _1 A3 ~ - {
$ J3 E9 w* @2 Z { - time.week += 1;& [0 H F, T! i3 d F6 E5 i1 C
- time.second -= 604800;
/ j6 y9 m% v) S- E* i - }
4 o- w0 v3 J% Y- K+ d, m# w3 l! A8 _8 y - M- @- w1 H1 ^; `/ W; P6 o# {3 ]
- return time;' J! u; J7 }! X+ j. s1 E+ L
- }: `% Z4 l" l4 k, w% K1 x0 q
- p8 M% g! K0 y: l- /****************************************************************% }; f5 G0 `# o8 ~! `( O
- * Function: GpsWeekSecondAddMinute0 [, g% s0 ?7 r8 q
- * Description: Gps week and second add minute.+ J3 k7 t- {1 X
- * Input: time: Gps week and second., c3 n+ A1 ]& t2 j; w* |
- * minute: The number of minute to add.; j; W# {# V$ o, T3 |7 l4 p
- * Output:! e! n: {4 g+ E2 O$ {. @( _
- * Return: Gps week and second.
) B1 ?7 W! I$ \, m, M - *****************************************************************/' J# f3 o: n3 f, L
- GpsWeekSecond GpsWeekSecondAddMinute(GpsWeekSecond time, int minute) G c# F; U! \1 r1 P& Q
- {
/ G6 S9 p9 `3 R/ f1 N. L - time.week += minute / 10080;1 K2 s ?+ X- l9 P
- time.second += minute % 10080 * 60;
3 z& P. y6 X* V+ b( L3 | -
7 l7 } Z- \+ o+ | - if(time.second > 604799)
" d0 X3 a0 t; | W; H - {$ Y& ^1 S% Q& a- j; K
- time.week += 1;
m: u: S) {, P/ R& | - time.second -= 604800;
* P) H. W e; U& z9 u0 w i - }' F9 l6 S/ O/ |3 W
- # M- _, z+ n- F5 e
- return time;. e7 n" h3 Q) Q
- }
2 Y: H" ^" p% J
W$ F- `9 Q; D1 ^- }* T. b- /****************************************************************! D& {, P* C2 _2 A
- * Function: GpsWeekSecondAddSecond
: c/ Z8 E- g3 p: \9 [ - * Description: Gps week and second add second.5 {* h0 U6 X4 S3 D9 B; A
- * Input: time: Gps week and second.9 K+ w' h2 R* v5 D6 R
- * second: The number of second to add.: a. ~8 V3 Z* ]; y% ^3 d( N
- * Output:1 I& q3 B( w6 h: a1 K
- * Return: Gps week and second.
6 l# ^, [+ j) I2 O) J - *****************************************************************/
5 J- W& }6 B7 N7 p5 C" G - GpsWeekSecond GpsWeekSecondAddSecond(GpsWeekSecond time, int second)0 M& Z/ S& M- ^# W( E) L
- {, D8 b3 G$ u! W
- time.week += second / 604800;
1 q- R3 \- F6 V, o7 `$ J - time.second += second % 604800;
) X+ {* G- @' U o
/ L; w/ l+ C+ C! k- if(time.second > 604799)
/ c5 s! V5 T+ b( B2 F - {# B/ P: ]5 p" c- @
- time.week += 1;
9 A6 i* x5 z9 T6 H0 i T5 W - time.second -= 604800;1 H/ \7 [% U' i, w
- }7 [6 l) p. H- X: \: S& W; N
- ( r4 F; s# K" F6 F5 I
- return time;) L; t' Q) \2 `5 f# [
- }/ A- d5 m0 \8 f2 G& g1 j
+ L* k4 l0 B: X/ @7 U* {, V5 o9 o7 J- /****************************************************************3 G$ b! Y, a' ?& Q O8 `: V' c
- * Function: GpsWeekSecondToGregorianCalendarDate# {1 ?/ ]4 `3 O9 I" |" a
- * Description: Gps week and second to gregorian calendar date.. a$ E' T+ w+ j* s' t; k% U1 y
- * Input: time: Gps week and second.
* y$ t, {8 i# E# f8 A - * Output:
) U9 }# @5 k8 W2 k! C4 o% _ - * Return: Gregorian calendar date.
, ^1 [2 X: ^$ }% k+ s - *****************************************************************/
8 s i$ I9 X- L4 u5 f# |3 o$ N - DateTime GpsWeekSecondToGregorianCalendarDate(GpsWeekSecond time)
$ u; Z- W2 x. q( t - {$ d7 i, r5 r: a5 V- Q
- double jd = GpsWeekSecondToJulianDate(time);6 n \, e* o, {; a2 i2 y/ Y
- & s1 I" g6 i: _, @
- return JulianDateToGregorianCalendarDate(jd);( l Z. S4 p1 [* f* L' d
- }
, b- A( I/ g. o9 H& F6 ~) p - . p! ]; `/ [" B
- /****************************************************************( V( p' A7 m: g5 ^# V: A9 j' ?
- * Function: GpsWeekSecondToJulianDate
9 i8 ?+ j# p& P- S( K - * Description: Gps week and second to julian date. T# G; n4 }/ i3 }" e& p% J
- * Input: time: Gps week and second.
* _) N. M$ ?9 T, p* S - * Output: t: ^' H& M d& F
- * Return: Julian date.
+ I6 Q* i* @' w9 s6 A/ c0 f7 ^ - *****************************************************************/5 G, A/ [5 ]9 [% ?: }$ l o1 K
- double GpsWeekSecondToJulianDate(GpsWeekSecond time)4 d! }4 C+ [* ~- L3 m& C
- {4 @& u3 e4 T1 Y
- double jd = 2444244.5 + time.week * 7.0 + time.second / 86400.0;
# g$ i8 ^! |7 ]# Q3 D* V
- I6 v) |8 F1 j$ c) a2 y7 t- return jd;
( C A/ h) V' m" o( c - }
6 Z. e* l1 Y0 u" E$ [0 b - $ b3 F6 [7 V6 P& k2 r
- /****************************************************************
. g$ B8 J( f# y; k$ g3 z$ O) f) V4 K - * Function: GpsWeekSecondToModifiedJulianDate! |$ [. n+ F) B2 O7 p8 n: a( B
- * Description: Gps week and second to modified julian date.
& S* x" z) E2 g9 g - * Input: time: Gps week and second.
. h3 P/ O. I7 Y7 O1 z" i3 z* E - * Output:
( t4 f& b9 ^+ r+ S" f2 [ - * Return: Modified julian date.7 W5 j! S$ k2 ?7 D
- *****************************************************************/
% B- Y4 p& F5 f - double GpsWeekSecondToModifiedJulianDate(GpsWeekSecond time)6 W1 b" P3 t8 @; N# H9 z1 E
- {0 [( q, g2 K4 r: [" k. E9 U
- return GpsWeekSecondToJulianDate(time) - 2400000.5;
. {, f: g! m' G5 g8 _1 ^" {- ^. E - }
p9 x2 _- T9 c0 B2 t! { - " J$ t+ F E' Q6 j/ f! p
- /****************************************************************; g' I E) o0 n' S4 x8 ]
- * Function: JulianDateAddYear
5 O- i. T2 d9 R" U$ \ C1 I - * Description: Julian date add year.5 m' k0 c9 N+ ^- u$ v
- * Input: jd: Julian date.
; Y; d6 M7 ?1 s) D& i - * year: The number of year to add.% Q; Z8 O, V/ A; n& f( l, C$ v B
- * Output:
* W4 m5 a' B- s - * Return: Julian date.
: v' H! H; c: d+ E- O7 ~) |! o1 U: Z - *****************************************************************/$ p% l$ D; k9 d4 d+ E1 }
- double JulianDateAddYear(double jd, int year)
4 X! z9 s8 c1 ]% m0 D4 o) N! f8 _ - {
. O4 b/ c: U, H( k/ E( c, l* u1 r - DateTime date = JulianDateToGregorianCalendarDate(jd);3 x' ` G2 y, w" G
3 @8 a6 G3 L9 b- e% h8 N- date = GregorianCalendarDateAddYear(date, year);
2 b5 g5 @9 Z: l- F* }! K2 } - + l% @7 e$ u" S
- return GregorianCalendarDateToJulianDate(date);
1 k) W4 P; E( j; K" A - }& h+ @: l* g! a5 E
- & J$ y" G! j- q- A6 }0 t
- /****************************************************************: ?- H8 S* r6 e2 R) k8 K
- * Function: JulianDateAddMonth+ C7 t1 o2 k9 _3 { E, L& i& t
- * Description: Julian date add month.+ f% p7 [( C3 b( d- o! W
- * Input: jd: Julian date.
7 Y6 t! B( S2 {, B O - * month: The number of month to add." v8 S7 J9 M; {( {
- * Output:
9 n- X4 H- |" t, Q) L' O. c8 J" J5 d; U - * Return: Julian date.
4 c+ l) ?+ c* [ - *****************************************************************/
7 B5 i+ [0 Z K2 R9 S5 G: ^& T8 a - double JulianDateAddMonth(double jd, int month)' O% g+ k$ x4 s) t
- {
% i, }2 P6 e2 d3 [& @, M - DateTime date = JulianDateToGregorianCalendarDate(jd);
* Z) N5 I) ?9 {: U - 6 f5 F% {9 w: i5 s3 x( [3 S
- date = GregorianCalendarDateAddMonth(date, month);# {! t# V4 q* w3 ^( l u7 o( J
- : ?1 f$ p: D3 M% A
- return GregorianCalendarDateToJulianDate(date);0 R% A) W. g/ X3 k# ], Q1 M( F. ~
- }$ I1 O' a+ D! u/ H3 D+ [+ i
- 1 F/ l0 O8 w1 j
- /****************************************************************
: k2 ]0 ? h/ Q - * Function: JulianDateAddWeek1 E# L: }* `! [/ R+ x- Z1 G. P. z
- * Description: Julian date add week.
5 a$ e& L* s1 z8 r6 U* F - * Input: jd: Julian date.
' C. e3 ?6 u$ U$ @& H/ ^. P - * week: The number of week to add.
" ~9 X0 Y7 F( P3 D - * Output:7 }0 n4 Z* X( ]+ z, F! N
- * Return: Julian date.
3 t+ _6 ~* G, s6 a5 B - *****************************************************************/' V- C) |. h6 a. H) h
- double JulianDateAddWeek(double jd, int week)* `" _; ~7 k: r+ A" G0 q
- {8 D8 X G$ I* T0 H
- jd += week * 7.0;$ \6 r1 c2 L2 r9 h
4 B1 H' v" @1 n( a- return jd;" I5 ^7 |8 M0 c, m$ N
- }7 z9 s, O( J+ q7 `; ]; b
- ! S [8 \% F3 R2 n2 M
- /****************************************************************4 t4 t6 y8 {2 R3 B+ _( T" E: r
- * Function: JulianDateAddDay
' K7 x0 L" _, _ - * Description: Julian date add day.. D8 H( R4 Y3 b& S- F) H# c) j
- * Input: jd: Julian date.: k/ g2 U/ n4 G) ^
- * day: The number of day to add.
" ~: L# y0 Q7 I) ^ - * Output:
, m0 p/ T- ^1 e# Z7 `- Y" g - * Return: Julian date.1 [ Z, r) n, T+ p
- *****************************************************************/7 D$ W, k+ }" w* |' p3 C I
- double JulianDateAddDay(double jd, int day)
+ f' l, w5 s+ B+ h/ y8 [5 K - {
2 T4 u( A, ?. o9 X - jd += day;
& @! ^0 D+ n( R( f - 8 C; p. A8 w! t% j, u
- return jd;3 J/ D# A, Z2 J
- }5 i( d1 ^8 @" Y3 S& m. [, J
3 J. d9 Z; R5 ?! F- /****************************************************************0 j- G, W; ?# T. ^3 D# ?( R
- * Function: JulianDateAddHour
6 X9 B4 ~% z0 J - * Description: Julian date add hour.3 ?$ a C8 e6 t3 E; E4 g
- * Input: jd: Julian date.
& S- g6 d6 ?5 M- r0 {7 h - * hour: The number of hour to add.
% D% Y- x2 ^; Z - * Output:) D$ Z B' B" b# O+ \. c
- * Return: Julian date.1 z2 H" s( L5 {6 e1 t/ T1 A
- *****************************************************************/. [& O& c3 j! \7 G: D( W
- double JulianDateAddHour(double jd, int hour)
- G8 W ]: A) q5 @: c& M6 c - {
7 v/ G1 z& E; b- r0 B - jd += hour / 24.0;- l8 ^$ G7 q3 `
. f+ x* g3 T5 y) ^: [/ e x' L& s$ U M- return jd;
) V7 n$ ?8 p9 B, |' {" G( N8 o2 p - }
! q- S/ X: w) _ - 4 e4 m5 q; j% Z+ Q' p
- /****************************************************************
# q: T) S" y/ V3 F" Q - * Function: JulianDateAddMinute8 V6 q. Z8 o9 t; M' G. V
- * Description: Julian date add minute.
3 Y' T4 L$ ?" f+ K3 o - * Input: jd: Julian date.- p, K6 [) Z* |) a+ s1 |
- * minute: The number of minute to add.: R9 b# M, E1 u; s: g. v
- * Output:
: w* L* r" Y& K$ \ - * Return: Julian date.
4 f; N+ n+ X' k, Y - *****************************************************************/1 p' _1 t8 S" a( C9 ?7 i/ }" b: b
- double JulianDateAddMinute(double jd, int minute)
0 J4 q/ E$ F9 d* G# H8 ^6 P - {% g- b/ i. K P
- jd += minute / 1440.0;
+ j) I' p- ?5 l# ?# ]- w) F - - ^0 t! c8 }7 e+ x
- return jd;
; |: ~( A3 M4 g$ m# [5 ?3 q- ] - }
$ V! N7 B5 b+ ~" _4 y - & E3 H4 J4 V; h* Q) P
- /****************************************************************
2 O* v% s; j8 [0 r - * Function: JulianDateAddSecond% b: g+ o, f! s* U3 g* w% g
- * Description: Julian date add second./ _2 o8 L2 {5 i2 C7 S, c* t
- * Input: jd: Julian date.7 n0 o+ r% i) |- M. l3 z
- * second: The number of second to add.: K$ J. G8 x7 h& z( N: `2 P. Y
- * Output:1 Z- W* V, l, e9 f8 m6 v+ v+ w
- * Return: Julian date.
9 j& |0 ~) D; g! q8 R- i+ Y# t$ G - *****************************************************************/; k' j. ~: i, N+ g R
- double JulianDateAddSecond(double jd, int second)
6 a, O: v9 s: n4 W1 C+ o% _; D - {# h0 O1 K' m) G8 v7 h9 v. s. D
- jd += second / 86400.0;
2 l9 C. X0 d& S) L% t
5 D7 B$ C% D/ x- return jd;$ q( a. B/ W; a6 H$ S6 V# r
- }! ]% c l$ \4 I( f1 C' K
- 6 x$ @' F; G7 H, E2 l
- /****************************************************************+ l$ @8 r. s) u1 z: J: \
- * Function: JulianDateToGregorianCalendarDate; V$ D3 [: L5 [( ~' J* t
- * Description: Julian date to gregorian calendar date.
; k1 B% x/ u0 G" S8 u - * Input: jd: Julian date.
, a0 X. B/ Z, h5 a- ] - * Output:& W1 y V0 ?5 q9 N. w
- * Return: Gregorian calendar date.: L6 q4 m% l2 \0 M
- *****************************************************************/; Q' n; k( |& |2 o+ ?6 f6 L; g
- DateTime JulianDateToGregorianCalendarDate(double jd)
3 `0 P$ A- X1 a2 x - {
1 U& W: w/ o# _0 B- Y! G5 { - int y = 4716; M2 n+ L# N- Y" Q! i
- int j = 1401;; u9 z% @! p0 A6 S" _8 r7 W
- int m = 2;
; H9 R. {1 K$ A/ S0 E* R2 d - int n = 12;
# P6 v2 H& j$ a2 T' Z# a$ t9 p) Q( p - int r = 4;
! }7 h. e& ^0 [5 `, y- U& ^# M - int p = 1461;
- ?$ {0 u: ^8 a D+ t$ j - int v = 3;
1 m$ Y$ ?/ c5 M/ m1 j - int u = 5;
, |4 M8 E# d o* D+ G) u - int s = 153;2 m, {2 G M+ b. L1 i* l6 v5 V
- int w = 2;+ A: m; B% X8 {0 T) h
- int b = 274277;
- \" p( f, M2 s1 \ [ - int c = -38;1 C( w: H0 r( ~4 }
- - G+ F7 R' |3 S g6 u$ ~
- int jdn = (int)(jd + 0.5);& E' q, f O" o* {# Q
- int f = jdn + j + (((4 * jdn + b) / 146097) * 3) / 4 + c;1 i! h% r, q2 v- p/ z+ d. `2 V
- int e = r * f + v;+ E9 V+ R' Z( {1 A6 X& ~7 E
- int g = (e % p) / r;& K0 @8 r7 k2 [# b Z- p
- int h = u * g + w;2 I l/ n/ ?" F+ D7 X" ?
- * y+ N& z/ k3 S+ W0 ~( q! @
- DateTime time = {0};5 ~0 b s9 p6 p: e, a2 i+ ? h
- . ~. N1 |3 Z. }5 T8 d0 U8 b
- time.day = (h % s) / u + 1;
2 t+ P/ j# w' A% ~* x - time.month = (h / s + m) % n + 1;
% w/ l& [" V9 y: T% a, [ - time.year = e / p - y + (n + m - time.month) / n;% {8 ?& g" H: S) I4 g) X; b* V
- time.hour = (int)((jd + 0.5 - jdn) * 86400.5) / 3600;3 u9 E, n# e/ {0 h
- time.minute = (int)((jd + 0.5 - jdn) * 86400.5 - time.hour * 3600) / 60;* S6 X3 G, S% B5 ]4 N! d
- time.second = (int)((jd + 0.5 - jdn) * 86400.5 - time.hour * 3600 - time.minute * 60);
1 `* r" s8 ]) o- ~" f) P - ! C$ q. L" x+ `, l1 h7 G5 j
- return time;
1 p( e7 v' m6 T' D( P9 j) | - }
# X3 u+ |# c; u S! F
0 c' E2 \. A) j4 `3 y# U7 D- /****************************************************************9 h3 o4 j" E6 q! h/ O' f
- * Function: JulianDateToGpsWeekSecond6 H: h& k# j! L/ _! c4 [ _
- * Description: Julian date to gps week and second.
K8 P; I! W* k6 x3 z( ` - * Input: jd: Julian date.- }. ^. n1 ^. K5 s
- * Output:" k7 {. q8 T) H. \0 n$ d
- * Return: Gps week and second.* v, x6 J6 e0 S+ @( Y; |1 I
- *****************************************************************/% h4 G2 G+ r! y0 R
- GpsWeekSecond JulianDateToGpsWeekSecond(double jd)
: ^6 a! u* K) m - {1 H% a+ j7 e, ~& w( m, S; x
- GpsWeekSecond time = {0};
& V- \- o! G* d& p2 m. ^ - DateTime date = JulianDateToGregorianCalendarDate(jd);& p$ z4 n* _/ t4 d8 K4 \) D0 K
6 R) U* B5 J% ]8 J8 N4 t- time.week = (int)(jd - 2444244.5) / 7;/ i+ O" }/ ]. V3 V6 I2 ?* y
- time.second = ((int)(jd - 2444244.5) - time.week * 7) * 86400 + date.hour * 3600 + date.minute * 60 + date.second;
& d$ Q& a5 E% L- R1 @. t4 l, ^& i - 7 C0 R0 n6 f, J2 a6 {. _: u. z% x
- return time;
1 B- U7 V: J* y. i - }
! ^' p8 |$ W: w! z% }
5 K3 B" v6 r7 Q% P- /****************************************************************. i q, Q9 }0 z7 r0 Z& Q5 u
- * Function: JulianDateToModifiedJulianDate
* t$ {2 f: U3 p. }" S O0 Z6 [ - * Description: Julian date to modified julian date." {& j/ ^5 d* d/ r% M" k* D
- * Input: jd: Julian date.* U9 d$ s$ J1 h/ c
- * Output:
& n0 I" _2 p8 A. F8 z. k9 U - * Return: Modified julian date.
) D3 h( x' v s ?1 B* {4 i - *****************************************************************/
) Y, Z5 a2 W8 v - double JulianDateToModifiedJulianDate(double jd)
# N6 \- a" D7 M - {# n$ E4 u* L* e) C Z
- double mjd = jd - 2400000.5;
! A, j1 l& j- A0 D - ; s9 V9 Y4 r8 b" H& M
- return mjd;- J8 c' I: m. F" B' |+ H& T1 e4 O( ?
- }
# e& y6 e1 X5 s: u% G, Q) N
: e7 t- H& Q: _: i) \8 F- /****************************************************************
! c1 C: L9 y3 X - * Function: ModifiedJulianDateAddYear
8 M, j j8 k* ]9 v3 p- e5 j- f- r - * Description: Modified julian date add year. W% n/ q: w/ T( P3 f9 ^
- * Input: mjd: Modified julian date.' ?6 o1 J+ d. O4 B" i
- * year: The number of year to add.. X1 l/ p. j/ |% S* {& s; ^
- * Output:" j4 B# j- o6 y; f. I0 E
- * Return: Modified julian date.
$ _9 w: q2 |- V% A. o& C- i - *****************************************************************/* A3 _- p8 o# l% t5 e1 G+ Z- s$ Y
- double ModifiedJulianDateAddYear(double mjd, int year): n1 M4 D' [6 u9 y: T
- {
$ K5 z( O i) U& x - DateTime date = ModifiedJulianDateToGregorianCalendarDate(mjd);6 p! Q+ Y1 K" i1 ^
- $ ]0 \! `/ p6 X, z
- date = GregorianCalendarDateAddYear(date, year);9 S) _# {4 }/ ?! h4 _' y! a- ^
5 l( W* ^( O/ V* H7 A) T- return GregorianCalendarDateToModifiedJulianDate(date);
; C R0 d! W. R& n - }
0 B9 ]/ a- j( E6 a - # {( u; L* E3 S2 S% @9 k
- /****************************************************************
; D% x! V# e$ d, r2 |4 T3 z - * Function: ModifiedJulianDateAddMonth
$ r! g* `" @. T8 N, u: |. c8 k8 l! @ - * Description: Modified julian date add month.
/ d/ u6 ~% ] k$ c; ?7 [ - * Input: mjd: Modified julian date.4 g- _2 V B1 ^4 ~8 ~
- * month: The number of month to add.- G" `7 L9 J3 @, \: Y
- * Output:
# z3 ]- {3 o( ` - * Return: Modified julian date.
( M l& I; D1 W& k - *****************************************************************/5 x# F! y6 s: T. C7 ?6 T8 c( }
- double ModifiedJulianDateAddMonth(double mjd, int month)* C$ o# T4 H) U0 B' {: ~- G
- {$ D6 @* }5 [; }
- DateTime date = ModifiedJulianDateToGregorianCalendarDate(mjd);
: r9 E5 A k( y- d
2 f& [* [2 b, K! Y( Z7 V- date = GregorianCalendarDateAddMonth(date, month);" n3 |" q' W. o& ^# X5 _8 u
: {+ ` j1 A+ G, l$ Y* F. W- return GregorianCalendarDateToModifiedJulianDate(date);( ]6 j* m" y% n9 ^$ U) C
- }
: L5 z6 ~8 G) h8 ?: y j - ?8 A, V% B4 ]. Y) T- y
- /****************************************************************
. C- c0 A" V! L4 ]5 D - * Function: ModifiedJulianDateAddWeek
) E b \, i* Q' I# ?- U - * Description: Modified julian date add week.6 O4 t( o; m4 k( E3 q$ S
- * Input: mjd: Modified julian date.
, S/ [7 _$ n7 F* |/ O3 M - * week: The number of week to add.
; r! M0 S9 Y; ?( r6 X& j7 R; }6 ? - * Output:
! T2 ?, c# t$ \9 I; i - * Return: Modified julian date.
& u [) b. x3 E) w4 @ - *****************************************************************/9 K* l8 i! m, t T' n) U9 ?
- double ModifiedJulianDateAddWeek(double mjd, int week)# \+ i9 W/ Z% G
- {
/ E2 b9 ?( q- u+ N! n+ s$ _1 G - mjd += week * 7.0;
' u2 p: {2 `, y2 a. K v, u6 {
6 |. z) `4 ]; B+ b( ` l9 V3 u: a- return mjd; g! @6 I$ V8 s# ^) p
- }
* d/ K+ m$ o! l4 M/ p2 h3 [; X
* [- j, |: C) f, t- /****************************************************************9 d/ F* e' ^9 ?1 C; T
- * Function: ModifiedJulianDateAddDay, S- [# V* t" d1 U3 W6 D3 u
- * Description: Modified julian date add day.
5 [1 H5 g0 M1 g5 C" J$ a3 D( l% u - * Input: mjd: Modified julian date.3 C3 x7 r0 m5 K9 C' j
- * day: The number of day to add. y# e) ~9 N1 [- z
- * Output:
- w1 t" l- v2 x - * Return: Modified julian date.2 k0 u' T" ^+ m
- *****************************************************************/
1 D; n, L- s3 R2 e - double ModifiedJulianDateAddDay(double mjd, int day)
5 a9 ^ T2 t- m0 H: K n - {2 Z+ T; P. N/ r& v
- mjd += day;9 g: b& N4 q3 c0 y2 f
, X4 h( ~) U1 \- return mjd;
# }( d0 ]3 W" ?3 I - }% y- v( {! Z2 W- A! \1 y4 P
, r# I8 r! Q# s. u6 ?- /****************************************************************
' b; b( ]5 {# E \; w - * Function: ModifiedJulianDateAddHour1 K# c$ q- l- ?. ?6 C
- * Description: Modified julian date add hour., C9 Y) ~9 l9 _- M x
- * Input: mjd: Modified julian date.! {2 h/ M' @3 @- J7 L* F& }
- * hour: The number of hour to add.
/ f9 D9 n6 p7 I8 o - * Output:: h- M3 B! \8 |" f
- * Return: Modified julian date.; K/ k& o, |* r$ S7 T" L: i
- *****************************************************************/
+ \' x4 W/ X! M2 j - double ModifiedJulianDateAddHour(double mjd, int hour)
7 N3 h1 }4 {" y! h! y. e( j( g& G - {
3 c& {" C0 W% f8 w! S - mjd += hour / 24.0;. f7 [9 `$ H/ w! A& F
! L4 @$ G) a( r$ A( ^& Z- return mjd;" e$ ^+ u, ~/ e. U
- }
; N! ^4 u& I; z* w5 b3 s! ?
4 {0 l+ X/ V* a- /****************************************************************
% R' R* B4 N6 W# \ Y) { - * Function: ModifiedJulianDateAddMinute
: X( x3 y# x0 b9 ?- r" L/ k/ t7 Z - * Description: Modified julian date add minute.
( z7 w) [, I) a% f - * Input: mjd: Modified julian date.
, W6 u+ D* ^% t/ j - * minute: The number of minute to add.
! q, M* _. V6 p. A - * Output:5 W0 F# ^- s7 b' |. S( }
- * Return: Modified julian date.4 v; t& y, B7 Z1 E* S2 Q
- *****************************************************************/ N2 ?8 @( C, y8 d8 L* `
- double ModifiedJulianDateAddMinute(double mjd, int minute)! ~" s/ \: H8 @/ r. @5 O
- {( ?' D) U. W2 T8 D- s% ~* \
- mjd += minute / 1440.0;" q% H( X2 }6 @* f" |
& f4 h1 n( x3 f) a- return mjd;) f- J- v1 Z+ l% [1 P
- }
( w( t+ x7 |" z0 M: S - # X3 F+ Y9 X$ r% `* X1 e( Z, e
- /****************************************************************8 A# ]; f& a1 Q, ^0 w
- * Function: ModifiedJulianDateAddSecond
3 [9 W% v- ^3 \+ _) N: c - * Description: Modified julian date add second.4 W( u4 l3 y& t5 ?
- * Input: mjd: Modified julian date.
A" \* \* {2 C$ Y: G9 e/ K' d - * second: The number of second to add.7 L/ F8 ^% {7 W6 \2 L9 @' L
- * Output:" R% a) Z' H- R6 j' B+ b1 G
- * Return: Modified julian date.4 q' S9 v$ `. E ^4 S8 F
- *****************************************************************/( g p" J5 t7 n/ F! N' u
- double ModifiedJulianDateAddSecond(double mjd, int second)
: _" s; u: J7 a7 N - {
$ _5 _- q% p5 w$ N$ {+ { - mjd += second / 86400.0;! W, c$ d" [3 b, p% J
+ Q3 x0 K" P- y1 g. z- return mjd;7 F1 g2 P0 S, n) V# V
- }
: ~ F: o9 Z3 E( l* i
7 K. Y+ N) ~, Q- /****************************************************************
5 S5 J9 g& ?4 n3 r; {2 a2 [& f - * Function: ModifiedJulianDateToGregorianCalendarDate- S. |9 c: `5 M% d
- * Description: Modified julian date to gregorian calendar date.3 l' {' l7 R5 e* ~1 Y' o; Z! m1 ^4 q7 A
- * Input: mjd: Modified julian date.0 A. z2 g, W" p4 W9 r$ ]
- * Output:
; j( {$ |& M" L4 |: Y3 y/ e6 P* d - * Return: Gregorian calendar date.
( B/ A- \# K- h7 n) C6 R0 q - *****************************************************************/
4 _0 h0 I' q( H - DateTime ModifiedJulianDateToGregorianCalendarDate(double mjd); p8 }' X$ U; t b! {. J
- {
( Q0 G4 g! V, s, N& J! ~ - return JulianDateToGregorianCalendarDate(mjd + 2400000.5);
5 t Z, b6 M. q - }
3 O( Z. k. E' f& {6 y% u - ; ]4 D' a$ Y3 W% F0 A
- /****************************************************************0 J: K9 }; i8 K w6 [
- * Function: ModifiedJulianDateToGpsWeekSecond
@5 i! _3 n3 w# t3 c& Z - * Description: Modified julian date to gps week and second.
- h$ ]! {4 m! H8 O- F6 e# M" S6 U - * Input: mjd: Modified julian date.
4 e2 h( s/ Q8 h* f - * Output:
f+ Q: n4 }6 A% t - * Return: Gps week and second.
1 Q- `0 S8 ?. C9 e! S - *****************************************************************/! i) S$ Q2 X, m/ Y! X# f
- GpsWeekSecond ModifiedJulianDateToGpsWeekSecond(double mjd)# `& b$ p" v+ T( P. ]
- {& w" y* v2 g6 p7 [: l; F
- return JulianDateToGpsWeekSecond(mjd + 2400000.5);
: R& Y/ B- w' B5 I. o - }
5 _3 i- h# i8 \+ D - 0 z- f! h& U I
- /****************************************************************3 ]+ g, ~2 q1 \0 D% b
- * Function: ModifiedJulianDateToJulianDate
, A2 I0 }, e" n/ f, J) y( y - * Description: Modified julian date to julian date.
" S: Q) j9 S, t! \1 P - * Input: mjd: Modified julian date. @% X: y0 S8 j
- * Output:; r& k, K8 [3 ~& n) H
- * Return: Julian date.
, X+ ]4 i6 g b" X - *****************************************************************/! W9 \+ S6 K1 ]0 p* a9 C8 j7 X3 Z
- double ModifiedJulianDateToJulianDate(double mjd)# X2 z8 H Q7 t4 P* H) N \) Q
- {
& d; U* _- p8 {3 v% P8 R - double jd = mjd + 2400000.5;' V( s" |& G3 r" z8 z) G5 {: a
- 7 y& r+ n2 {2 Y
- return jd;2 p6 P' B0 I) z' S+ @0 }/ G S
- }; v& }7 g% q) Y4 ~" ]. m) D
main.c文件
) X7 O7 d: [$ p% ?- /****************************************************************
! Y& H3 a# o# b2 | - * Copyright (C) 2017, XinLi, all right reserved.4 Q) h# Z. [8 L E
- * File name: main.c
& M" `! B( T( c7 R0 h - * Date: 2017.10.17
1 w- \/ S9 n1 {3 M - * Description: GPS, UTC and local time displays.4 B, e! E+ b$ N; E; f/ m7 Q
- *****************************************************************/+ d# h. W8 I7 l/ B/ ^
& I" {5 J L; U& Y, V1 ^5 j, ~- u- /****************************************************************; o$ L3 F: ^5 X' ]' \
- * Header include$ [3 L; z5 K) a" y r$ {1 H
- *****************************************************************/
. S( O' [' l7 j& L6 m5 ~6 W9 j% K - #include "DateTime.h"
: p7 L4 O# t {9 }6 x) [/ {& X - #include <stdint.h>
& G* E1 P+ w5 a5 l s4 t5 ^4 w) y - #include <stdio.h> A" m' P! ]5 G* {$ G/ D
- #include <time.h>' U" d' g, u ^; J7 p+ J* C
- #include <windows.h>
' |5 {2 m9 B" t1 b$ g6 H
) g2 c7 m4 T) K' T8 ?* C' H- /****************************************************************$ @& m; [! |; {7 w( O) f. }
- * Global variables
5 L6 Q6 _5 s: p. l. X$ U - *****************************************************************/
% X" z, P7 e* F7 @. p0 Y - 3 k3 r5 C$ b8 F6 o9 }2 A
- . v' N0 R k, _4 V3 H: _8 C* K( S
- /****************************************************************; p. M6 h; o. r/ x6 N. e Y
- * Function declaration1 K$ S9 ?' E4 L2 `* m% D: W
- *****************************************************************/
- A: F- l/ [: n* L; I/ M - static void gotoxy(int x, int y);3 a) f6 ?+ I7 J- o9 I% u7 `: B+ ?- h
- . b; q5 K8 }0 H0 X6 v
- /****************************************************************
2 g9 z: a- v; W; ~1 h - * Function definition
% d/ _) p2 r% l1 t2 e( I - *****************************************************************/
% I6 Z% Q* O3 o. _7 ^
% s/ }" I2 o0 A' m$ N2 y) W) n% [- /****************************************************************
2 k1 n+ t- ~3 V: Z - * Function: main0 p% K+ G' a! B Q: T9 m. }+ t% F
- * Description: Program entry. k2 A4 O/ o4 H7 t3 a6 z
- * Input:
( x3 f+ [, t/ C$ `, \# a - * Output:. b) i+ Q$ b/ n9 v# l7 S/ G! [' A, n
- * Return:
$ _- R4 J. I0 z3 B1 S - *****************************************************************/
/ a @/ L/ p, ]6 M+ S8 ]. ` - int main(void)
( P# e( \+ k, L0 K+ V, f- ? - {$ F3 _0 j5 J2 z) {
- for(;;)4 L E _& E3 B+ i
- {% |' m0 l( }1 n3 \0 I$ C$ l/ e
- time_t times = 0;
0 \) c# x) r% p0 L% H- R* h8 Z - double mjd = 0.0;
X4 g5 ?/ f, E& q; J - DateTime utctime = {.year = 1970, .month = 1, .day = 1, .hour = 0, .minute = 0, .second = 0};) V( B3 Y) W, b5 b" J$ u5 q
- DateTime localtime = {.year = 1970, .month = 1, .day = 1, .hour = 8, .minute = 0, .second = 0};
- \ Q+ ]' C* K" X2 Y+ R - DateTime gpstime = {.year = 1970, .month = 1, .day = 1, .hour = 0, .minute = 0, .second = 0};
) k4 s. g2 v) d/ t - GpsWeekSecond gpstimews = {0};2 }2 @1 A4 n2 q5 i
7 A9 ~% B. ?2 n$ j' h( ^5 E _- time(×);
9 N' w% `% H) {7 t - , b4 |4 A) m2 e8 `; q
- if(times > INT32_MAX)+ a7 t8 P4 Z5 k% G( d( v
- { E) M1 Y" p2 Q H1 ?1 a
- utctime = GregorianCalendarDateAddSecond(utctime, INT32_MAX);7 n% A2 R; J. q# `7 C9 s
- utctime = GregorianCalendarDateAddSecond(utctime, (int)(times - INT32_MAX)); h* n+ }( J) B2 ?1 {
- }
2 L- `- t6 ^7 J7 \# S - else* ^7 R3 y: o0 I7 c* {. K
- {, q7 u$ d! g. N9 `, E2 Q
- utctime = GregorianCalendarDateAddSecond(utctime, (int)times);
2 H# x9 o# n" b - }
/ ~. T# a( H, v% r0 r% y! M5 W3 e* Y - ; K# h/ q$ H( h6 G1 w7 i6 M
- mjd = GregorianCalendarDateToModifiedJulianDate(utctime);4 f l5 ~5 R9 L8 ?8 {0 S! `* X
- localtime = GregorianCalendarDateAddHour(utctime, 8);, _3 {: B$ ?7 P6 ~+ ]1 ?( y
- gpstime = GregorianCalendarDateAddSecond(utctime, 18);( Q0 X% ]/ ^0 y6 `7 V0 j5 ~* h
- gpstimews = GregorianCalendarDateToGpsWeekSecond(gpstime);
, Y- s1 K8 J5 n4 o
7 R: V! I1 i/ T( `, m- i! U- gotoxy(0, 0);; H9 H% s' e+ ^( g4 ~
- 3 D8 c6 ?$ ]( B; \" R4 {
- printf("Local | %d-%.2d-%.2d %.2d:%.2d:%.2d | timezone UTC+8\n",
* g) j& {7 _; _/ V' z( J - localtime.year, localtime.month, localtime.day," m w% _0 c8 C
- localtime.hour, localtime.minute, localtime.second);
% r) g Q/ O0 _0 F0 s
" I- O/ C0 u' |5 f# d- printf("UTC | %d-%.2d-%.2d %.2d:%.2d:%.2d | MJD %.5f\n",. u* T1 t- L" Q& e
- utctime.year, utctime.month, utctime.day,
- j7 W1 U0 {. G$ K - utctime.hour, utctime.minute, utctime.second,3 X; \( v5 g) P: c9 |
- mjd);
! ~2 o- E! o+ r - 4 X. n$ H7 M8 }
- printf("GPS | %d-%.2d-%.2d %.2d:%.2d:%.2d | week %d %d s\n",4 l2 [, n i7 R. O5 u* I
- gpstime.year, gpstime.month, gpstime.day,
& ]$ x3 H8 j! ]" ~2 M - gpstime.hour, gpstime.minute, gpstime.second,) L8 K' q2 f6 n( f" b# S9 ^
- gpstimews.week, gpstimews.second);% w3 U9 M/ _: H" ] Q8 F3 E
- ' z1 N S" u( u @2 I+ `& [
- Sleep(100);
0 Y7 l- @4 l7 w; I - }4 s: W9 v% I1 C2 M, I8 ?
- }7 z' w4 \0 b% t
" d! R4 J$ l. K; x) b- /****************************************************************
! k5 Z$ _* p' X9 m4 v2 o3 i6 j - * Function: gotoxy o2 J% K: c8 B( Z" Y2 S$ H- x
- * Description: Move the cursor to the specified position on the text screen.
% I; O. L5 S: p3 t% S6 y5 D( O - * Input: x: X axis coordinates.
& o' K0 y# w! T* g" R ^$ t1 q3 y - * y: Y axis coordinates.5 p6 u9 D+ `4 y" I: F( x* X
- * Output:
# j( r L9 b# l - * Return:5 ^0 a1 d9 l: j) v' |; i6 T
- *****************************************************************/
9 i+ L8 S! Q4 z2 Q8 R - static void gotoxy(int x, int y)
2 i/ d( h; f# g' Z6 b. k* k - {
0 W4 J6 H; g2 t- B) s# W+ }& G( P - COORD pos = {x, y};
' H# l, ]% J I. D0 v/ `" j - HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);$ y0 F: k% M ?4 R6 t3 t
- SetConsoleCursorPosition(hOut, pos);
0 w; S$ A( c! v. S: t9 }- [7 P - }
3 c* \1 h9 q( L0 l* e
& R8 t: k& f6 e$ k* B# h5 A3，运行效果8 a# t2 u$ s' H" Z4 h* U* l/ m
/ ?6 o) F9 t0 M7 m; M m) W( m
7 R1 I: Y2 U; P' J& o" L% f( `) b7 ~
|
朱利安日期，GPS周和周内秒，一般的库都没有吧，除非是专门做导航的库才会有这些。写这个是为了方便的在嵌入式端使用。
* ^ u6 c4 k. {8 H* L; ?9 }/ f& L! J
直接 #include <time.h>不就OK了？0 n3 W0 T P+ E
C51才需要自己实现，stm32的环境，何须如此麻烦。" r1 T- M! a4 t% _7 g+ Z4 Z0 J
以上。
儒略历和格里历的转换一般支持时区转换的库都有。（那个不叫朱利安日期……）至于 GPS 周和周内秒，如果用现有库的话，也只要可以和 UNIX 时间戳互转就可以了，没那么复杂。
朱利安日期有这样叫的，是 Julian Date 音译过来的。