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| author | Eric S. Raymond <esr@thyrsus.com> | 2011-09-21 17:57:55 -0400 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2011-09-21 17:57:55 -0400 |
| commit | 6e340fcd58233569ee8e7cb3c7aa5b1152e99c87 (patch) | |
| tree | 9fea2fd236c78e9964d26d298a7226ee6399cd1e /libgpsd_core.c | |
| parent | 02ac9b9cd6d9416c2dd7fe9ba0d8456e0abe5316 (diff) | |
| download | gpsd-6e340fcd58233569ee8e7cb3c7aa5b1152e99c87.tar.gz | |
Describe the latency components.
Diffstat (limited to 'libgpsd_core.c')
| -rw-r--r-- | libgpsd_core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libgpsd_core.c b/libgpsd_core.c index 0994f632..a482ea75 100644 --- a/libgpsd_core.c +++ b/libgpsd_core.c @@ -815,6 +815,9 @@ gps_mask_t gpsd_poll(struct gps_device_t *session) #ifdef TIMING_ENABLE /* + * Input just gecame available from a sensor, but no read from the + * device has yet been done. + * * If we ever want a start-of-packet timestamp again, take it here * with a test that session->packet.outbuflen is zero. * @@ -852,6 +855,7 @@ gps_mask_t gpsd_poll(struct gps_device_t *session) #define MINIMUM_QUIET_TIME 0.25 if (session->packet.outbuflen == 0) { + /* beginning of a new packet */ timestamp_t now = timestamp(); if (session->device_type != NULL && session->packet.start_time > 0) { double quiet_time = (MINIMUM_QUIET_TIME * session->device_type->min_cycle); |