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42 Commits

Author SHA1 Message Date
Gregory Nutt
13cac3b592 sched/: Change some *err() message to *info() messages if what was a *dbg() message does not indicate and error condition. 2016-06-11 16:42:42 -06:00
Gregory Nutt
a1469a3e95 Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err() 2016-06-11 15:50:49 -06:00
Gregory Nutt
720343612b Remove some empty file section section header comments 2016-02-17 18:05:03 -06:00
Gregory Nutt
6e3107650d nuttx/sched: Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section() 2016-02-14 08:17:46 -06:00
Gregory Nutt
84d4cb007b clock_systimer: 64-bit timer accesses are not atomic. Noted by Freddie Chopin. 2016-01-22 12:24:36 -06:00
Gregory Nutt
2de5be34e5 Update ChangeLog 2016-01-21 19:29:43 -06:00
Gregory Nutt
032ad1b70b Remove clock_systimer32 and clock_systimer64. There is now only clock_systimer 2016-01-21 16:49:24 -06:00
Gregory Nutt
b04e2ea021 Trivial improvement to comments 2016-01-21 16:28:36 -06:00
Gregory Nutt
a4f5254cbe Fix a typo introduced into the last commit 2016-01-21 13:48:35 -06:00
Gregory Nutt
e001f37593 sched/clock/clock_timespec.c: Fix an error in the time conversion 2016-01-21 13:31:00 -06:00
Gregory Nutt
f348e68069 Update to use 64-bit timer when available 2016-01-21 11:54:26 -06:00
Gregory Nutt
a2e1ece873 RTC: Handle RTC failures. If mktime is called with garbage, it may crash 2015-12-21 14:39:40 -06:00
Gregory Nutt
4b29bcee7f Rename up_rtcinitialize to up_rtc_initialize so that it looks like other RTC interfaces 2015-11-20 08:27:52 -06:00
Gregory Nutt
892ba4f26a DS1307: Change year bias to 1968 which is a leap year juse like 2000 2015-11-19 15:12:40 -06:00
Gregory Nutt
c34b5108a7 RTC: Fix system time initialization when using an exernal RTC. Fix some bugs in the DS1307/DS3231 RTC driver 2015-11-19 14:54:30 -06:00
Lok
da8950fe5b Fix an error in clock_timespec_subtract 2015-11-03 07:28:46 -06:00
Gregory Nutt
79d554939e sched/: Fix some spacing issues 2015-10-07 19:59:14 -06:00
Gregory Nutt
5b51a9fcdd Standardize the width of all comment boxes in C files 2015-10-02 17:43:18 -06:00
Gregory Nutt
cb9e27c3b0 Standardize naming used for public data and function groupings 2015-10-02 16:30:35 -06:00
Gregory Nutt
99664b7811 Sporadic scheduler: Add logic to collection the partial timer expiration when a sporadic thread is suspended in tickless mode 2015-07-26 15:03:47 -06:00
Max Neklyudov
61af0d511f Use up_timer_gettime for CLOCK_MONOTONIC in tickless mode. From Max Neklyudov. 2015-06-22 06:37:26 -06:00
Gregory Nutt
16276a4793 Change the order of some operations to prevent a debug assertion from firing. 2015-05-18 06:34:54 -06:00
Gregory Nutt
b4423c1eed Make some file section headers more consistent with standard 2015-04-08 06:47:36 -06:00
Gregory Nutt
c99d927527 When an RTC is used, clock_systimespec() must subtract the basetime from the RTC time 2015-02-25 07:24:03 -06:00
Gregory Nutt
3724a5e98e RTC: Remove all backdoor interfaces from rtc.h 2015-02-13 08:41:34 -06:00
Gregory Nutt
d9f960e97b Fix a problem in clock_systimer64 that occurs when (1) the 64-bit system time is enabled, and (2) the value of CONFIG_USEC_PER_TICK is less than 1 millisconds (such as when using the tickless mode of operation). In that case, the convertion of time to 64-bit millisecond value in clock_systmer64() causes some bad times to be returned. Time was converted to milliseconds, then to configured ticks. Precision was lost in the millisecond convertion. 
The fix is to first convert time to a 64-bit microsecond value, then to the configured tick value.

Noted by David Sidrane.
 2015-02-13 06:13:47 -06:00
Gregory Nutt
147042218b gettimeofday() and settimeofday(): Move gittimeofdady() from sched/clock to libc/time. All remove gettimeofday() from NuttX system calls. It is only a wrapper around clock_settime() and does not need a trap. gettimeofday() is no longer tried as a core OS interface. 
gettimeofday has been decremented in POSIX 2008.  settimeofday() was never part of POSIX, but I decided to add it to libc as well just for symmetry.
 2015-02-12 11:10:46 -06:00
Gregory Nutt
c5ab7c39d3 Eliminates a warning. From Macs N 2015-02-03 06:44:59 -06:00
Gregory Nutt
e69003cbf7 clock_systimespec(): Fixes for compilation errors in certain configurations. From Macs N. 2015-01-30 08:19:40 -06:00
Gregory Nutt
8c28718bcb alling mq_timedreceived with immediate timeout was getting stuck and not 
timeout. Immediate timeout is achieved by setting absolute timeout value to
past time, for example abstime={ .tv_sec=0, .tv_nsec=0 }. However absolute
time was converted to relative time using unsigned integer arithmetic and
resulted large ticks count by clock_abstime2ticks, instead of expected negative
ticks value.

Patch corrects clock_abstime2ticks to return negative ticks, if absolute time
is in the past.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@haltian.com>
 2014-11-19 09:25:00 -06:00
Gregory Nutt
322f9f401c Simplify how C source files are selected in the build 2014-10-07 07:42:36 -06:00
Gregory Nutt
da29907ac9 Update TODO list + cosmetic changes to clock_systimer.c 2014-10-03 11:21:35 -06:00
Gregory Nutt
8d43a6bdcd Fix build error with CONFIG_SYSTEM_TIME64 2014-10-03 10:20:46 -06:00
Gregory Nutt
4a20cd65c5 clock_gettime.c: Fix a cornercase bug in clock_gettime() 2014-09-10 17:10:54 -06:00
Gregory Nutt
c19659d7d2 Fixes to clock bias logic. Remove vestiges of g_tickbias; apply bias instead to g_basetime 2014-09-10 16:36:25 -06:00
Gregory Nutt
fc7bd31e07 last change alters semantics of __HAVE_KERNEL_GLOBALS 2014-08-30 14:44:48 -06:00
Gregory Nutt
2029236ed0 Back out and replace recent kludges for errno and clock_systimer. There is a cleaner way 2014-08-30 14:26:56 -06:00
Gregory Nutt
0ab1b0de25 nuttx/sched: Remove explicit references to errno. That is a problem from within the kernel for certain configurations 2014-08-28 17:00:24 -06:00
Gregory Nutt
9ab67dce75 In some configurations, g_system_tmer must be extern'ed as a private variable 2014-08-28 17:00:03 -06:00
Gregory Nutt
27c48a383e Don't do 64-bit calculations if accuracy not achievable; Fix compile error in high res RTC mode 2014-08-15 17:48:07 -06:00
Gregory Nutt
eed1d6c619 When reading the system timer, don't read a struct timespec, convert it to a fake tick count, then back to a timespec. Remove CLOCK_ACTIVETIME.. it is non-standard, unused, and gets in the way of changes like this 2014-08-15 03:55:41 -06:00
Gregory Nutt
d4b56eb3cc Move clock functions from sched/ to sched/clock 2014-08-08 14:43:02 -06:00