Co-authored-by: supperthomas <78900636@qq.com>

* sync and update

* [console] 解决在没有定义RT_USING_DEVICE的情况下使用device报错的问题

* format codes

* [libc] 整理格式

* refresh projects

* [kernel][mem] Multiple instances of small memory allocation algorithm

* [kernel][mem] Change small memory management algorithm memory header flag

* [kernel][mem] Fix assertion problem

* [kernel][slab] Multiple instances of slab memory management algorithm

* [kernel][memheap] Remove rt_malloc/rt_free/rt_realloc and other related memory interfaces

* [kernel][mem] Clean up memory space of small memory management objects

* [kernel][kservice] Add memory application interface and thread protection interface

* [kernel][kservice] Fix function return value problem

* [kernel][memheap] Optimize memheaptrace print

* [kernel][memheap] Support best mode

* [kernel][memory] Remove semaphore lock

* [kernel][memheap] Add locked flag

* [kernel][memory] Support malloc memory in interrupt

* [kernel][memheap] Add 'memheapcheck' cmd

* [kernel][mem] Fix failure to request full memory

* [kernel][memheap] Fix compilation warning

* [kernel][mem] Fix mem realloc ASSERT

* [examples][testcases] Add small mem testcase

* [examples][mem_tc] Modify test memory size

* [examples][testcases] Add slab memory management algorithm test case

* [examples][testcases] fix small memory management algorithm test case

* [kernel][memory] Adjusting memory allocation algorithm object definition and interface

* [kernel][memory] Fix compilation warning

* [examples][utest] Fix mem test case

* [examples][utest] fix slab test case

* [utest][testcases] Shorten test time

* [kernel][memory] Formatting code

* [examples][utest] Adjust test run time

* [examples][utest] Formatting code

* [bsp] update all rtconfig.h

1. SConstruct中增加对C++支持
2. 重新menuconfig. 删除application.c/startup.c,增加main.c. 以便通过编译

This reverts commit a966dd3c.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2513 bbd45198-f89e-11dd-88c7-29a3b14d5316

which default value of RT_THREAD_PRIORITY_MAX is 32 not 2 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2303 bbd45198-f89e-11dd-88c7-29a3b14d5316

ex. if RT_USING_MEMHEAP isn't defined, then memheap.c won't be included

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2148 bbd45198-f89e-11dd-88c7-29a3b14d5316

and implement examples in MB9BF506R and LPC176x branches
define RT_USING_BSP_CMSIS in rtconfig.h will use CMSIS in bsp
define RT_USING_RTT_CMSIS in rtconfig.h will use CMSIS in components 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2146 bbd45198-f89e-11dd-88c7-29a3b14d5316

and implement the example in MB9BF506R branch

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2145 bbd45198-f89e-11dd-88c7-29a3b14d5316

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2116 bbd45198-f89e-11dd-88c7-29a3b14d5316

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2101 bbd45198-f89e-11dd-88c7-29a3b14d5316

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1997 bbd45198-f89e-11dd-88c7-29a3b14d5316

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1993 bbd45198-f89e-11dd-88c7-29a3b14d5316