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refclock: slew last sample even after it was used

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It may be needed by locked PPS refclocks.
This commit is contained in:
Miroslav Lichvar 2016-12-08 13:07:50 +01:00
parent a75d2db75b
commit 8c11044ee2
1 changed files with 13 additions and 2 deletions
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15
refclock.c
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@ -939,11 +939,22 @@ filter_get_sample(struct MedianFilter *filter, struct timespec *sample_time, dou
static void static void
filter_slew_samples(struct MedianFilter *filter, struct timespec *when, double dfreq, double doffset) filter_slew_samples(struct MedianFilter *filter, struct timespec *when, double dfreq, double doffset)
{ {
int i; int i, first, last;
double delta_time; double delta_time;
struct timespec *sample; struct timespec *sample;
for (i = 0; i < filter->used; i++) { if (filter->last < 0)
return;
/* always slew the last sample as it may be needed by PPS refclocks */
if (filter->used > 0) {
first = 0;
last = filter->used - 1;
} else {
first = last = filter->last;
}
for (i = first; i <= last; i++) {
sample = &filter->samples[i].sample_time; sample = &filter->samples[i].sample_time;
UTI_AdjustTimespec(sample, when, sample, &delta_time, dfreq, doffset); UTI_AdjustTimespec(sample, when, sample, &delta_time, dfreq, doffset);
filter->samples[i].offset -= delta_time; filter->samples[i].offset -= delta_time;