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rx_fifo->is_full已经满时继续更新rx_fifo->get_index
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define.
Fix compile error when RT_USING_POSIX_TERMIOS is not define.
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1.Fix poll rx issue when data is full.
2.Add TCFLSH and FIONREAD support.
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uart parameters.
data bits should get from CSIZE.
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1. Add macro check in rtdebug.h;
2. Use RT_USING_POSIX for poll/select, stdin etc.
3. Split dfs_posix.h to dfs_posix.h, dfs_poll.h and dfs_select.h;
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method/functions.
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1. Change 'rt_uint8_t' type of cmd to 'int';
2. Add waitqueue;
3. Split device ipc header files;
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uart configure shall not been performed if uart is not open.
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fix reset serial receive interrupt flag when close serial
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This reverts commit 5aeedc4f3a3c3fcfffb0cd4a474f5faa75053839, reversing
changes made to 3d80e414ff6c03ff04fecb914e7aa9b3fb535e03.
This merge breaks every uart driver in all BSPs. @bright-pan , is there
any way to get this done without breaking existing code?
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Add hardware flow support.
Use new struct serial_ringbuffer.
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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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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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*buffer) with buffer pointer
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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2433 bbd45198-f89e-11dd-88c7-29a3b14d5316
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