static void
wwvb_control(
int unit,
struct refclockstat *in_st,
struct refclockstat *out_st,
struct peer *peer
)
{
register struct wwvbunit *up;
struct refclockproc *pp;
pp = peer->procptr;
up = pp->unitptr;
if (!(pp->sloppyclockflag & CLK_FLAG1)) {
if (!up->ppsapi_tried)
return;
up->ppsapi_tried = 0;
if (!up->ppsapi_lit)
return;
peer->flags &= ~FLAG_PPS;
peer->precision = PRECISION;
time_pps_destroy(up->atom.handle);
up->atom.handle = 0;
up->ppsapi_lit = 0;
return;
}
if (up->ppsapi_tried)
return;
/*
* Light up the PPSAPI interface.
*/
up->ppsapi_tried = 1;
if (refclock_ppsapi(pp->io.fd, &up->atom)) {
up->ppsapi_lit = 1;
return;
}
NLOG(NLOG_CLOCKINFO)
msyslog(LOG_WARNING, "%s flag1 1 but PPSAPI fails",
refnumtoa(&peer->srcadr));
}
/*
* atom_start - initialize data for processing
*/
static bool
atom_start(
int unit, /* unit number (not used) */
struct peer *peer /* peer structure pointer */
)
{
struct refclockproc *pp;
struct ppsunit *up;
char device[80];
/*
* Allocate and initialize unit structure
*/
pp = peer->procptr;
peer->precision = PRECISION;
pp->clockdesc = DESCRIPTION;
pp->stratum = STRATUM_UNSPEC;
memcpy((char *)&pp->refid, REFID, REFIDLEN);
peer->sstclktype = CTL_SST_TS_ATOM;
up = emalloc(sizeof(struct ppsunit));
memset(up, 0, sizeof(struct ppsunit));
pp->unitptr = up;
/*
* Open PPS device. This can be any serial or parallel port and
* not necessarily the port used for the associated radio.
*/
snprintf(device, sizeof(device), DEVICE, unit);
up->fddev = tty_open(device, O_RDWR, 0777);
if (up->fddev <= 0) {
msyslog(LOG_ERR,
"refclock_atom: %s: %m", device);
return false;
}
/*
* Light up the PPSAPI interface.
*/
return (refclock_ppsapi(up->fddev, &up->atom));
}
