diff options
| author | Poul-Henning Kamp <phk@FreeBSD.org> | 1998-06-12 23:15:53 +0000 |
|---|---|---|
| committer | Poul-Henning Kamp <phk@FreeBSD.org> | 1998-06-12 23:15:53 +0000 |
| commit | 389825d55862df539593aef5a169df740b8c8c65 (patch) | |
| tree | 556607c83da2329569e3346e0cfa25875523ad72 /sys/dev/ppbus/pps.c | |
| parent | 28ed032673006c043e651c46ab2209815b0d4c13 (diff) | |
Notes
Diffstat (limited to 'sys/dev/ppbus/pps.c')
| -rw-r--r-- | sys/dev/ppbus/pps.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/sys/dev/ppbus/pps.c b/sys/dev/ppbus/pps.c index 70274b3b7b215..74bcf0c486e17 100644 --- a/sys/dev/ppbus/pps.c +++ b/sys/dev/ppbus/pps.c @@ -6,7 +6,12 @@ * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp * ---------------------------------------------------------------------------- * - * $Id: pps.c,v 1.5 1998/06/07 19:44:22 phk Exp $ + * $Id: pps.c,v 1.6 1998/06/08 02:43:12 bde Exp $ + * + * This driver implements a draft-mogul-pps-api-02.txt PPS source. + * + * The input pin is pin#10 + * The echo output pin is pin#14 * */ @@ -39,7 +44,8 @@ static int ppscap = PPS_CAPTUREASSERT | PPS_HARDPPSONASSERT | PPS_OFFSETASSERT | - PPS_ECHOASSERT; + PPS_ECHOASSERT | + PPS_TSFMT_TSPEC; static int npps; @@ -152,10 +158,12 @@ ppsintr(int unit) return; if (sc->ppsparam.mode & PPS_ECHOASSERT) ppb_wctr(&sc->pps_dev, IRQENABLE | AUTOFEED); - timespecadd(&tc, &sc->ppsparam.assert_offset); - if (tc.tv_nsec < 0) { - tc.tv_sec--; - tc.tv_nsec += 1000000000; + if (sc->ppsparam.mode & PPS_OFFSETASSERT) { + timespecadd(&tc, &sc->ppsparam.assert_offset); + if (tc.tv_nsec < 0) { + tc.tv_sec--; + tc.tv_nsec += 1000000000; + } } sc->ppsinfo.assert_timestamp = tc; sc->ppsinfo.assert_sequence++; @@ -196,6 +204,7 @@ ppsioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p) case PPS_IOC_FETCH: pi = (pps_info_t *)data; *pi = sc->ppsinfo; + pi->current_mode = sc->ppsparam.mode; return (0); case PPS_IOC_WAIT: return (EOPNOTSUPP); |