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Add refclock precision

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This commit is contained in:
Miroslav Lichvar
2010-03-02 13:10:54 +01:00
parent b9b0326d15
commit 5fb5551c36
4 changed files with 18 additions and 3 deletions
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10
refclock.c
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@@ -78,6 +78,7 @@ struct RCL_Instance_Record {
unsigned long lock_ref;
double offset;
double delay;
double precision;
SCH_TimeoutID timeout_id;
SRC_Instance source;
};
@@ -166,11 +167,14 @@ RCL_AddRefclock(RefclockParameters *params)
if (strncmp(params->driver_name, "SHM", 4) == 0) {
inst->driver = &RCL_SHM_driver;
inst->precision = 1e-6;
} else if (strncmp(params->driver_name, "SOCK", 4) == 0) {
inst->driver = &RCL_SOCK_driver;
inst->precision = 1e-9;
pps_source = 1;
} else if (strncmp(params->driver_name, "PPS", 4) == 0) {
inst->driver = &RCL_PPS_driver;
inst->precision = 1e-9;
pps_source = 1;
} else {
LOG_FATAL(LOGF_Refclock, "unknown refclock driver %s", params->driver_name);
@@ -194,6 +198,8 @@ RCL_AddRefclock(RefclockParameters *params)
inst->lock_ref = params->lock_ref_id;
inst->offset = params->offset;
inst->delay = params->delay;
if (params->precision > 0.0)
inst->precision = params->precision;
inst->timeout_id = -1;
inst->source = NULL;
@@ -351,7 +357,7 @@ RCL_AddSample(RCL_Instance instance, struct timeval *sample_time, double offset,
LCL_GetOffsetCorrection(sample_time, &correction, &dispersion);
UTI_AddDoubleToTimeval(sample_time, correction, &cooked_time);
dispersion += LCL_GetSysPrecisionAsQuantum() + filter_get_avg_sample_dispersion(&instance->filter);
dispersion += instance->precision + filter_get_avg_sample_dispersion(&instance->filter);
if (!valid_sample_time(instance, sample_time))
return 0;
@@ -377,7 +383,7 @@ RCL_AddPulse(RCL_Instance instance, struct timeval *pulse_time, double second)
LCL_GetOffsetCorrection(pulse_time, &correction, &dispersion);
UTI_AddDoubleToTimeval(pulse_time, correction, &cooked_time);
dispersion += LCL_GetSysPrecisionAsQuantum() + filter_get_avg_sample_dispersion(&instance->filter);
dispersion += instance->precision + filter_get_avg_sample_dispersion(&instance->filter);
if (!valid_sample_time(instance, pulse_time))
return 0;