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This reverts commit 07bd09fc0fc256e5c53ad3c6157802fd94c9910c.
The validation of the context is done with in `rt_set_errno`. So it's
safe to call it here.
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Serial fix
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The errno is associated with threads. It will crash the thread if we set
it in interrupt context.
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Return early if the size is 0 as there is nothing to do.
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K60: fix compile error
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Log trace in mem
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Rm48x50 next
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After `log_trace_init()`, call `memlog_init`. It then turn the logtrace
into a "in-memory" logger which will buffer all the log in memory. It
also set a hook in idle to flush all the log into console. One may
create an other thread to flush the logs but idle might be the simplest
place to go.
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initialize timer in bsp
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With new timer algorithm, timer should be initialized during startup. So
add them to the bsps. Use these commands to get which bsp is missing
calling the function:
% git grep rt_system_timer_init bsp|sed -n 's|bsp/\([^/]*\).*|\1|p' | sort | uniq > have_tm_init
% ls -1 bsp |sed -n 's|\([^/]*\).*|\1|p' | sort > all_bsp
% comm -3 all_bsp have_tm_init
beaglebone
lpc176x
lpc178x
ls1bdev
mb9bf506r
stm32f10x
xplorer4330
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We could not handle any traps except IRQ/FIQ.
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kernel: timer: fix compiling bug in d59aa279c37b7
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Finsh ex
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We split the history handling form the key handling. So we could handle
the direction key even if the history is disabled. As a "side effect", I
also remove the unnecessary "use_history" bit.
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kernel: use skip list to implement timer list
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make sure the device is in STREAM mode when used by rt_kprintf.
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UART DMA tx_complete() with buffer information
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simulator/jffs2: remove _TIME_T_DEFINED when built by VC++
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_TIME_T_DEFINED was pre-defined in order to build jffs2 with VC.
While it may cause many side effects.
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simulator: add createdef.py to generate def file for VS
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kernel: mutex could only be released in thread context
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Now we can get rid off Mingw to create def file. To create def file, one
should run:
scons --def
in the bsp/simulator.
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Mutex has the idea of ownership, only the thread which owns the mutex
can release it. So rt_mutex_release could only be called in thread
context. Add a debug guard to it.
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Skip list is a "random" data structure that in high possibilities it
would get O(log(N)) time complexity in inserting while the old list get
O(N). Forthermore, when set RT_TIMER_SKIP_LIST_LEVEL to 1, it will just
the same as the old double linked list, both in time and space
complexity.
Benchmarks shows that when RT_TIMER_SKIP_LIST_LEVEL is 3, the average
time of random insertion of new timer is about 2 times faster than the
old timer when there are 100 timers and 3 times faster when there are
200 timers.
However, it restores the deprecated funcion rt_system_timer_init. BSPs
must invoke it upon system startup.
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kernel: fix compiling error when RT_DEBUG is not defined
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Define RT_DEBUG_IN_THREAD_CONTEXT when RT_DEBUG is not defined.
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kernel: add RT_DEBUG_IN_THREAD_CONTEXT
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In thread context means: 1) the scheduler has been started; 2) not in
interrupt context. It is more stronger than RT_DEBUG_NOT_IN_INTERRUPT.
With this commit, you will catch the error on situations like taking
mutex before scheduling instead of crashing on NULL pointer reference.
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DFS: add dfs_file_flush prototype in dfs_file.h
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log_trace: fix the memmove use
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The first parameter of memmove is the dst, not src. Besides, fix the
wrong move size.
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components/utilities: add ymodem
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Real-YModem implemented a flexible YModem support. It use callback-based
structure to let the user application to deal with the data. It contains
3 examples:
1. echo.c: write the data recieved on YModem to an other device
2. null.c: discard the YModem data
3. tofile.c: write the data to the file system
Currently, it does not support batch file transmission.
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scons script: support to generate vs2012 project xml
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