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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7551 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2014-12-01 10:29:36 +00:00
parent 5b59f89d98
commit c7da76627c
4 changed files with 42 additions and 15 deletions
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22
os/rt/include/chvt.h
View File

@ -464,11 +464,21 @@ static inline void chVTDoTickI(void) {
} }
#else /* CH_CFG_ST_TIMEDELTA > 0 */ #else /* CH_CFG_ST_TIMEDELTA > 0 */
virtual_timer_t *vtp; virtual_timer_t *vtp;
systime_t now = chVTGetSystemTimeX(); systime_t now;
systime_t delta = now - ch.vtlist.vt_lasttime;
while ((vtp = ch.vtlist.vt_next)->vt_delta <= delta) { while (true) {
vtfunc_t fn; vtfunc_t fn;
systime_t delta;
/* Getting the current system time and calculating the time window since
the last time has expired.*/
now = chVTGetSystemTimeX();
delta = now - ch.vtlist.vt_lasttime;
/* The next element is outside the current time window, the loop
is stopped here.*/
if ((vtp = ch.vtlist.vt_next)->vt_delta > delta)
break;
/* The "last time" becomes this timer's expiration time.*/ /* The "last time" becomes this timer's expiration time.*/
delta -= vtp->vt_delta; delta -= vtp->vt_delta;
@ -491,8 +501,12 @@ static inline void chVTDoTickI(void) {
port_timer_stop_alarm(); port_timer_stop_alarm();
} }
else { else {
/* Updating the alarm to the next deadline.*/ /* Updating the alarm to the next deadline, deadline that must not be
closer in time than the minimum time delta.*/
if (vtp->vt_delta >= CH_CFG_ST_TIMEDELTA)
port_timer_set_alarm(now + vtp->vt_delta); port_timer_set_alarm(now + vtp->vt_delta);
else
port_timer_set_alarm(now + CH_CFG_ST_TIMEDELTA);
} }
#endif /* CH_CFG_ST_TIMEDELTA > 0 */ #endif /* CH_CFG_ST_TIMEDELTA > 0 */
} }

7
os/rt/src/chvt.c
View File

@ -180,9 +180,14 @@ void chVTDoResetI(virtual_timer_t *vtp) {
port_timer_stop_alarm(); port_timer_stop_alarm();
} }
else { else {
/* The alarm is set to the next element in the delta list.*/ /* Updating the alarm to the next deadline, deadline that must not be
closer in time than the minimum time delta.*/
if (ch.vtlist.vt_next->vt_delta >= CH_CFG_ST_TIMEDELTA)
port_timer_set_alarm(ch.vtlist.vt_lasttime + port_timer_set_alarm(ch.vtlist.vt_lasttime +
ch.vtlist.vt_next->vt_delta); ch.vtlist.vt_next->vt_delta);
else
port_timer_set_alarm(ch.vtlist.vt_lasttime +
CH_CFG_ST_TIMEDELTA);
} }
} }
#endif /* CH_CFG_ST_TIMEDELTA > 0 */ #endif /* CH_CFG_ST_TIMEDELTA > 0 */

6
test/rt/testsem.c
View File

@ -49,7 +49,7 @@
#if CH_CFG_USE_SEMAPHORES || defined(__DOXYGEN__) #if CH_CFG_USE_SEMAPHORES || defined(__DOXYGEN__)
#define ALLOWED_DELAY MS2ST(5) #define ALLOWED_DELAY MS2ST(2)
/* /*
* Note, the static initializers are not really required because the * Note, the static initializers are not really required because the
@ -170,10 +170,10 @@ static void sem2_execute(void) {
* Testing timeout condition. * Testing timeout condition.
*/ */
test_wait_tick(); test_wait_tick();
target_time = chVTGetSystemTime() + MS2ST(5 * 500); target_time = chVTGetSystemTime() + MS2ST(5 * 50);
for (i = 0; i < 5; i++) { for (i = 0; i < 5; i++) {
test_emit_token('A' + i); test_emit_token('A' + i);
msg = chSemWaitTimeout(&sem1, MS2ST(500)); msg = chSemWaitTimeout(&sem1, MS2ST(50));
test_assert(7, msg == MSG_TIMEOUT, "wrong wake-up message"); test_assert(7, msg == MSG_TIMEOUT, "wrong wake-up message");
test_assert(8, queue_isempty(&sem1.s_queue), "queue not empty"); test_assert(8, queue_isempty(&sem1.s_queue), "queue not empty");
test_assert(9, sem1.s_cnt == 0, "counter not zero"); test_assert(9, sem1.s_cnt == 0, "counter not zero");

16
test/rt/testthd.c
View File

@ -194,22 +194,30 @@ static void thd4_execute(void) {
/* Timeouts in microseconds.*/ /* Timeouts in microseconds.*/
time = chVTGetSystemTime(); time = chVTGetSystemTime();
chThdSleepMicroseconds(100000); chThdSleepMicroseconds(100000);
test_assert_time_window(1, time + US2ST(100000), time + US2ST(100000) + 1); test_assert_time_window(1,
time + US2ST(100000),
time + US2ST(100000) + CH_CFG_ST_TIMEDELTA);
/* Timeouts in milliseconds.*/ /* Timeouts in milliseconds.*/
time = chVTGetSystemTime(); time = chVTGetSystemTime();
chThdSleepMilliseconds(100); chThdSleepMilliseconds(100);
test_assert_time_window(2, time + MS2ST(100), time + MS2ST(100) + 1); test_assert_time_window(2,
time + MS2ST(100),
time + MS2ST(100) + CH_CFG_ST_TIMEDELTA);
/* Timeouts in seconds.*/ /* Timeouts in seconds.*/
time = chVTGetSystemTime(); time = chVTGetSystemTime();
chThdSleepSeconds(1); chThdSleepSeconds(1);
test_assert_time_window(3, time + S2ST(1), time + S2ST(1) + 1); test_assert_time_window(3,
time + S2ST(1),
time + S2ST(1) + CH_CFG_ST_TIMEDELTA);
/* Absolute timelines.*/ /* Absolute timelines.*/
time = chVTGetSystemTime() + MS2ST(100); time = chVTGetSystemTime() + MS2ST(100);
chThdSleepUntil(time); chThdSleepUntil(time);
test_assert_time_window(4, time, time + 1); test_assert_time_window(4,
time,
time + CH_CFG_ST_TIMEDELTA);
} }
ROMCONST struct testcase testthd4 = { ROMCONST struct testcase testthd4 = {