rusefi
/
ChibiOS
mirror of https://github.com/rusefi/ChibiOS.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Documentation improved. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@14730 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2021-09-03 07:39:45 +00:00
parent d4aa4de53a
commit f8824f15a8
1 changed files with 10 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
os/rt/src/chvt.c
View File

@ -49,7 +49,16 @@
/*===========================================================================*/
#if (CH_CFG_ST_TIMEDELTA > 0) || defined(__DOXYGEN__)
#if 1
/**
* @brief Alarm time setup.
* @note An RFCU fault is registered if the system time skips past
* <tt>(basetime + delta)</tt>, the deadline is skipped forward
* in order to compensate for the event.
*
* @param[in] basetime last known system time
* @param[in] delta delta time over @p basetime
* @return The absolute time for next alarm.
*/
static systime_t vt_set_alarm(systime_t basetime, sysinterval_t delta) {
sysinterval_t mindelta;
systime_t next_alarm;
@ -103,37 +112,6 @@ static systime_t vt_set_alarm(systime_t basetime, sysinterval_t delta) {
return next_alarm;
}
#else
static systime_t vt_set_alarm(systime_t basetime, sysinterval_t delta) {
sysinterval_t mindelta;
systime_t next_alarm;
/* Initial delta is what is configured statically.*/
mindelta = (sysinterval_t)CH_CFG_ST_TIMEDELTA;
if (delta < mindelta) {
/* We need to avoid that the system time goes past the alarm we are
going to set before the alarm is actually set.*/
delta = mindelta;
}
#if CH_CFG_INTERVALS_SIZE > CH_CFG_ST_RESOLUTION
else if (delta > (sysinterval_t)TIME_MAX_SYSTIME) {
/* The delta could be too large for the physical timer to handle
this can happen when: sizeof (systime_t) < sizeof (sysinterval_t).*/
delta = (sysinterval_t)TIME_MAX_SYSTIME;
}
#endif
/* Absolute time for next alarm.*/
next_alarm = chTimeAddX(basetime, delta);
/* Setting up the alarm on the next deadline.*/
port_timer_set_alarm(next_alarm);
return next_alarm;
}
#endif
/**
* @brief Inserts a timer as first element in a delta list.
* @note This is the special case when the delta list is initially empty.