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sys: add sync status setting to generic and Linux driver

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Set the adjtimex status, esterror and maxerror fields to the values
provided by the reference module.
This commit is contained in:
Miroslav Lichvar
2014-12-09 17:31:10 +01:00
parent 2645e632a8
commit 02cbe5e1ad
5 changed files with 54 additions and 17 deletions
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22
sys_generic.c
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@@ -39,9 +39,10 @@
/* ================================================== */
/* System clock frequency drivers */
/* System clock drivers */
static lcl_ReadFrequencyDriver drv_read_freq;
static lcl_SetFrequencyDriver drv_set_freq;
static lcl_SetSyncStatusDriver drv_set_sync_status;
/* Current frequency as requested by the local module (in ppm) */
static double base_freq;
@@ -270,6 +271,22 @@ apply_step_offset(double offset)
/* ================================================== */
static void
set_sync_status(int synchronised, double est_error, double max_error)
{
double offset;
offset = fabs(offset_register);
if (est_error < offset)
est_error = offset;
max_error += offset;
if (drv_set_sync_status)
drv_set_sync_status(synchronised, est_error, max_error);
}
/* ================================================== */
void
SYS_Generic_CompleteFreqDriver(double max_set_freq_ppm, double max_set_freq_delay,
lcl_ReadFrequencyDriver sys_read_freq,
@@ -282,6 +299,7 @@ SYS_Generic_CompleteFreqDriver(double max_set_freq_ppm, double max_set_freq_dela
max_freq_change_delay = max_set_freq_delay * (1.0 + max_freq / 1.0e6);
drv_read_freq = sys_read_freq;
drv_set_freq = sys_set_freq;
drv_set_sync_status = sys_set_sync_status;
base_freq = (*drv_read_freq)();
slew_freq = 0.0;
@@ -292,7 +310,7 @@ SYS_Generic_CompleteFreqDriver(double max_set_freq_ppm, double max_set_freq_dela
lcl_RegisterSystemDrivers(read_frequency, set_frequency,
accrue_offset, sys_apply_step_offset ?
sys_apply_step_offset : apply_step_offset,
offset_convert, sys_set_leap, NULL);
offset_convert, sys_set_leap, set_sync_status);
LCL_AddParameterChangeHandler(handle_step, NULL);
}