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发表于 2018-2-2 22:07:13
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main.c文件
[mw_shl_code=c,true]/****************************************************************
* Copyright (C) 2017, XinLi, all right reserved.
* File name: main.c
* Date: 2017.10.17
* Description: GPS, UTC and local time displays.
*****************************************************************/
/****************************************************************
* Header include
*****************************************************************/
#include "DateTime.h"
#include <stdint.h>
#include <stdio.h>
#include <time.h>
#include <windows.h>
/****************************************************************
* Global variables
*****************************************************************/
/****************************************************************
* Function declaration
*****************************************************************/
static void gotoxy(int x, int y);
/****************************************************************
* Function definition
*****************************************************************/
/****************************************************************
* Function: main
* Description: Program entry.
* Input:
* Output:
* Return:
*****************************************************************/
int main(void)
{
for(;;)
{
time_t times = 0;
double mjd = 0.0;
DateTime utctime = {.year = 1970, .month = 1, .day = 1, .hour = 0, .minute = 0, .second = 0};
DateTime localtime = {.year = 1970, .month = 1, .day = 1, .hour = 8, .minute = 0, .second = 0};
DateTime gpstime = {.year = 1970, .month = 1, .day = 1, .hour = 0, .minute = 0, .second = 0};
GpsWeekSecond gpstimews = {0};
time(×);
if(times > INT32_MAX)
{
utctime = GregorianCalendarDateAddSecond(utctime, INT32_MAX);
utctime = GregorianCalendarDateAddSecond(utctime, (int)(times - INT32_MAX));
}
else
{
utctime = GregorianCalendarDateAddSecond(utctime, (int)times);
}
mjd = GregorianCalendarDateToModifiedJulianDate(utctime);
localtime = GregorianCalendarDateAddHour(utctime, 8);
gpstime = GregorianCalendarDateAddSecond(utctime, 18);
gpstimews = GregorianCalendarDateToGpsWeekSecond(gpstime);
gotoxy(0, 0);
printf("Local | %d-%.2d-%.2d %.2d:%.2d:%.2d | timezone UTC+8\n",
localtime.year, localtime.month, localtime.day,
localtime.hour, localtime.minute, localtime.second);
printf("UTC | %d-%.2d-%.2d %.2d:%.2d:%.2d | MJD %.5f\n",
utctime.year, utctime.month, utctime.day,
utctime.hour, utctime.minute, utctime.second,
mjd);
printf("GPS | %d-%.2d-%.2d %.2d:%.2d:%.2d | week %d %d s\n",
gpstime.year, gpstime.month, gpstime.day,
gpstime.hour, gpstime.minute, gpstime.second,
gpstimews.week, gpstimews.second);
Sleep(100);
}
}
[/mw_shl_code] |
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发表于 2018-2-2 21:55:36
