15 Commits

Author	SHA1	Message	Date
Gabriel Wang	4864c033b0	minor improvement	2021-06-07 16:30:39 +01:00
Gabriel Wang	1f10f986fa	minor update ... - Fix support for GCC - update safe_atom_code() and __IRQ_SAFE for the latest version of CMSIS	2021-05-24 22:41:58 +01:00
Gabriel Wang	d3ecc136d1	Major update ... - introduce get_system_ticks() - rework on __cycleof__ - update other macros to support gcc extension: ({;;;;}) - update example	2021-03-24 14:44:46 +00:00
Gabriel Wang	04712e54d8	use the longest period during the initialization if the systick is not occupied by user applications	2021-03-24 11:20:23 +00:00
Gabriel Wang	f06324c00d	resolve potential conflicts among macro definitions	2021-03-24 11:17:28 +00:00
Gabriel Wang	7c35545e07	remove wrong dependency	2021-02-08 18:41:49 +00:00
Gabriel Wang	312b9e1d4c	add compenstation (tested in Cortex-M3) to delay_us	2021-01-14 13:53:08 +00:00
Gabriel Wang	e8f3f02300	add compenstation, PERF_CNT_DELAY_US_COMPENSATION, to delay_us	2021-01-14 12:49:23 +00:00
Gabriel Wang	097f387bf9	minor update	2021-01-11 20:14:33 +00:00
Gabriel Wang	233e006869	update comments	2021-01-11 20:09:09 +00:00
Gabriel Wang	2e465bc4c2	found some racing condition and fixed them ... - fixed the racing condition - introduce a minimal systick LOAD restriction - add some comments	2021-01-11 18:50:02 +00:00
Gabriel Wang	6ec7874669	fix the issue when long time delay (>1 s), delay_us might have 25% accumulative error	2021-01-11 10:52:55 +00:00
Gabriel Wang	30337b59f9	add comments for how to use clock()	2021-01-09 13:51:30 +00:00
Gabriel Wang	8b0ee08ee2	clean up the license info	2021-01-09 13:18:39 +00:00
Gabriel Wang	ffe8ad3fca	upload content	2021-01-09 13:10:37 +00:00