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| author | phk <phk@FreeBSD.org> | 1998-06-12 23:15:53 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 1998-06-12 23:15:53 +0000 |
| commit | 90b89a118c811a2a88c48b9f5da4b481c65425ec (patch) | |
| tree | 4c3ed48257566fff1e49a18060045b7da10dd035 /sys/dev/ppbus/pps.c | |
| parent | e30abc2a08346cbe0b1ae0b43667d1efc7544966 (diff) | |
| download | FreeBSD-src-90b89a118c811a2a88c48b9f5da4b481c65425ec.zip FreeBSD-src-90b89a118c811a2a88c48b9f5da4b481c65425ec.tar.gz | |
Update to draft-mogul-pps-api-02.txt as submitted to IETF
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 70274b3..74bcf0c 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); |
