Introduced a macro AOS_IOEVENT_FLAG() in aos_types.h.This macro acts similar to EVENT_MASK() and should help to simplify development.The new macro was applied to existing code wherever possible.
Fixed a error that AMiRo-OS would not compile when AMIROOS_CFG_DBG was set to false.
updated all file headers to 2019
Introduced a switch to completely disable SSSP (thanks to S. Welzel)
Fixed an occasional error where 'struct tm' could not be resolved correctly.
Introduced some basic stack introspection functionality to threads.According information is now given for the shell thread via the 'module:info' command.
Minor fixes and enhancements.
Minor optimizations regarding memory utilization.
All contents of the os/ folder has been moved one directory up.