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11 Commits (b69dc2bdae61bb0401ea98d7d565640c7ca33be0)

Author SHA1 Message Date
Kevin Bracey 87396e0bf6 Assembler atomics 
Reimplement atomic code in inline assembly. This can improve
optimisation, and avoids potential architectural problems with using
LDREX/STREX intrinsics.

API further extended:
* Bitwise operations (fetch_and/fetch_or/fetch_xor)
* fetch_add and fetch_sub (like incr/decr, but returning old value -
  aligning with C++11)
* compare_exchange_weak
* Explicit memory order specification
* Basic freestanding template overloads for C++

This gives our existing C implementation essentially all the functionality
needed by C++11.

An actual Atomic<T> template based upon these C functions could follow.
 2019-04-26 13:12:35 +03:00
Martin Kojtal ad759b7749 platform: add spdx license 2018-11-28 10:39:52 +00:00
Senthil Ramakrishnan 5ef6728c08 Splitting MBED_ERROR macros to support ones with/without error value argument 2018-05-23 12:21:28 -05:00
Senthil Ramakrishnan d4fe75731d Adding mbed prefixes to all macros and functions to avoid namespace conflicts 2018-05-23 12:21:10 -05:00
Senthil Ramakrishnan 147d9cac4e Test application/cases optimization for some low memory targets, macro changes and test fixes 2018-05-23 12:21:10 -05:00
Senthil Ramakrishnan 2e28dd95e1 Change set_error/set_error_fatal to warning/error, add itm support and other changes 2018-05-23 12:21:08 -05:00
Senthil Ramakrishnan 9041b475c6 Error handling/logging implementation and tests 2018-05-23 12:21:07 -05:00
Bartek Szatkowski 4cb47df40a Add system_reset() function to Mbed OS 2018-02-28 16:42:34 +00:00
Senthil Ramakrishnan 3ad298488c Doxygen comment updates and fixes 2017-10-26 15:36:26 -05:00
Russ Butler f0ac234da7 Prevent DeepSleepLock from leaving sleep locked 
Add _lock_count to DeepSleepLock and use this to prevent deep sleep
from staying locked when the DeepSleepLock objected is destroyed after
an unbalanced number of calls to lock and unlock.
 2017-10-02 11:34:56 -05:00
Martin Kojtal bc704427e2 platform: add DeepSleepLock 
RAII object for disabling, then restoring the deep sleep mode
 2017-09-07 15:35:06 +01:00