diff options
| -rw-r--r-- | usr.sbin/xntpd/xntpd/refclock_nmea.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/usr.sbin/xntpd/xntpd/refclock_nmea.c b/usr.sbin/xntpd/xntpd/refclock_nmea.c index f8ae4bc72130..b7be01dc4162 100644 --- a/usr.sbin/xntpd/xntpd/refclock_nmea.c +++ b/usr.sbin/xntpd/xntpd/refclock_nmea.c @@ -210,15 +210,20 @@ nmea_receive(rbufp) * we only care about a few of them. The most important being * the $GPRMC format * $GPRMC,hhmmss,a,fddmm.xx,n,dddmmm.xx,w,zz.z,yyy.,ddmmyy,dd,v*CC + * $GPGGA,162617.0,4548.339,N,00837.719,E,1,07,0.97,00262,M,048,M,,*5D */ #define GPRMC 0 #define GPXXX 1 +#define GPGCA 2 cp = pp->lastcode; pp->leap = 0; cmdtype=0; if(strncmp(cp,"$GPRMC",6)==0) { cmdtype=GPRMC; } + else if(strncmp(cp,"$GPGGA",6)==0) { + cmdtype=GPGCA; + } else if(strncmp(cp,"$GPXXX",6)==0) { cmdtype=GPXXX; } @@ -227,6 +232,7 @@ nmea_receive(rbufp) switch( cmdtype ) { case GPRMC: + case GPGCA: /* * Check time code format of NMEA */ @@ -250,6 +256,14 @@ nmea_receive(rbufp) } + if (cmdtype ==GPGCA) { + /* only time */ + time_t tt = time(NULL); + struct tm * t = gmtime(&tt); + day = t->tm_mday; + month = t->tm_mon + 1; + pp->year= t->tm_year; + } else { dp = field_parse(cp,9); /* * Convert date and check values. @@ -260,6 +274,7 @@ nmea_receive(rbufp) month = (month * 10) + dp[3] - '0'; pp->year = dp[4] - '0'; pp->year = (pp->year * 10) + dp[5] - '0'; + } if (month < 1 || month > 12 || day < 1) { refclock_report(peer, CEVNT_BADTIME); |