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Add macro for maximum fastslew timeout

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This commit is contained in:
Miroslav Lichvar 2011-09-01 18:08:45 +02:00
parent f570eb76b3
commit d42addf746
1 changed files with 7 additions and 5 deletions
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12
sys_linux.c
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@ -174,6 +174,9 @@ static SCH_TimeoutID slew_timeout_id;
a fast slew */
static double delta_total_tick;
/* Maximum length of one fast slew */
#define MAX_FASTSLEW_TIMEOUT (3600 * 24 * 7)
/* Max amount of time that we wish to slew by using adjtime (or its
equivalent). If more than this is outstanding, we alter the value
of tick instead, for a set period. Set this according to the
@ -405,8 +408,8 @@ adjust_fast_slew(double old_tick, double old_delta_tick)
dseconds = -offset_register * (current_total_tick + delta_total_tick) / delta_total_tick;
if (dseconds > 3600 * 24 * 7)
dseconds = 3600 * 24 * 7;
if (dseconds > MAX_FASTSLEW_TIMEOUT)
dseconds = MAX_FASTSLEW_TIMEOUT;
UTI_AddDoubleToTimeval(&tv, dseconds, &end_of_slew);
slew_start_tv = tv;
@ -542,9 +545,8 @@ initiate_slew(void)
fast_slewing = 1;
slew_start_tv = T0;
/* Set up timeout for end of slew, limit to one week */
if (dseconds > 3600 * 24 * 7)
dseconds = 3600 * 24 * 7;
if (dseconds > MAX_FASTSLEW_TIMEOUT)
dseconds = MAX_FASTSLEW_TIMEOUT;
UTI_AddDoubleToTimeval(&T0, dseconds, &end_of_slew);
slew_timeout_id = SCH_AddTimeout(&end_of_slew, handle_end_of_slew, NULL);