C++ (Cpp) nmea_reader_update_utc_diff示例

示例#1

文件： athr_gps.c 项目： primiano/udoo_hardware_imx

static void nmea_reader_init( NmeaReader*  r )
{
    memset( r, 0, sizeof(*r) );

    r->pos      = 0;
    r->overflow = 0;
    r->utc_year = -1;
    r->utc_mon  = -1;
    r->utc_day  = -1;

    nmea_reader_update_utc_diff( r );
}

示例#2

文件： gps_s3c.c 项目： adeelmunir/x210_ics_rtm_v13

static void
nmea_reader_init( NmeaReader*  r )
{
    memset( r, 0, sizeof(*r) );

    r->pos      = 0;
    r->overflow = 0;
    r->utc_year = -1;
    r->utc_mon  = -1;
    r->utc_day  = -1;
    r->callback = NULL;
    r->fix.size = sizeof(GpsLocation);

    nmea_reader_update_utc_diff( r );
}

示例#3

文件： athr_gps.c 项目： primiano/udoo_hardware_imx

static int nmea_reader_get_timestamp(NmeaReader*  r, Token  tok, time_t *timestamp)
{
    int        hour, minute;
    double     seconds;
    struct tm  tm;
    time_t     ttime;

    if (tok.p + 6 > tok.end)
        return -1;

    if (r->utc_year < 0) {
        return -1;
    }

    hour    = str2int(tok.p,   tok.p+2);
    minute  = str2int(tok.p+2, tok.p+4);
    seconds = str2float(tok.p+4, tok.end);

    tm.tm_hour = hour;
    tm.tm_min  = minute;
    tm.tm_sec   = (int) seconds;
    tm.tm_year = r->utc_year - 1900;
    tm.tm_mon  = r->utc_mon - 1;
    tm.tm_mday = r->utc_day;
    tm.tm_isdst = -1;

    // D("h: %d, m: %d, s: %d", tm.tm_hour, tm.tm_min, tm.tm_sec);
    // D("Y: %d, M: %d, D: %d", tm.tm_year, tm.tm_mon, tm.tm_mday);

	nmea_reader_update_utc_diff(r);

	ttime = mktime( &tm );
	*timestamp = ttime - r->utc_diff;

    return 0;
}