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zSerial._reconfigure_portc C s| | j dk rxtj| j | j� | jdk r@| j� tj| jj� d| _| jdk rf| j � tj| jj� d| _tj| j � d| _ dS )zinternal close port helperN)
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j� ���|jd|j� } nt� } nt� } t| �S )z� Read size bytes from the serial port. If a timeout is set it may
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z Serial.writec C s x| j rtjd� qW dS )zb Flush of file like objects. In this case, wait until all data
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t�tj| jtjtjB � dS )z9Clear input buffer, discarding all that is in the buffer.N)r( r r r8 r r; r< )r r# r# r$ �reset_input_buffer] s zSerial.reset_input_bufferc C s$ | j s
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t�| jr tj| j� n tj| j� dS )zBSet break: Controls TXD. When active, to transmitting is possible.N)r( r Z _break_stater Z SetCommBreakr ZClearCommBreak)r r# r# r$ �_update_break_statel s
zSerial._update_break_statec C s, | j rtj| jtj� ntj| jtj� dS )z)Set terminal status line: Request To SendN)rF r �EscapeCommFunctionr ZSETRTSZCLRRTS)r r# r# r$ �_update_rts_stateu s zSerial._update_rts_statec C s, | j rtj| jtj� ntj| jtj� dS )z-Set terminal status line: Data Terminal ReadyN)rG r ri r ZSETDTRZCLRDTR)r r# r# r$ �_update_dtr_state| s zSerial._update_dtr_statec C s, | j s
t�tj� }tj| jtj|�� |jS )N) r( r r rK ZGetCommModemStatusr r0 r6 rY )r �statr# r# r$ �_GetCommModemStatus� s
zSerial._GetCommModemStatusc C s t j| j� @ dkS )z(Read terminal status line: Clear To Sendr )r Z MS_CTS_ONrm )r r# r# r$ �cts� s z
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MS_RING_ONrm )r r# r# r$ �ri� s z Serial.ric C s t j| j� @ dkS )z)Read terminal status line: Carrier Detectr )r Z
MS_RLSD_ONrm )r r# r# r$ �cd� s z Serial.cd� Nc C s |dkr |}t j| j||� dS )z� Recommend a buffer size to the driver (device driver can ignore this
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t�|r tj| jtj� ntj| jtj� dS )a* Manually control flow - when software flow control is enabled.
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from the other device and control the transmission accordingly.
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N)r( r r ri r ZSETXONZSETXOFF)r �enabler# r# r$ �set_output_flow_control� s
z Serial.set_output_flow_controlc C sD t j� }t j� }t j| jtj|�tj|��s>tdjtj � ���|j
S )z0Return how many bytes the in the outgoing bufferz ClearCommError failed ({!r})) r rK rL rM r r0 r6 r r/ r1 ZcbOutQue)r rO rP r# r# r$ rc � s
zSerial.out_waitingc C sR t j� }t j| jtj|�tj|�d�}| rNt j� t jt jfkrNt j | j|� dS )zACancel a blocking read operation, may be called from other threadFN)
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overlappedr] �errr# r# r$ �_cancel_overlapped_io� s z Serial._cancel_overlapped_ioc C s | j | j� dS )zACancel a blocking read operation, may be called from other threadN)rw r )r r# r# r$ rH � s zSerial.cancel_readc C s | j | j� dS )zBCancel a blocking write operation, may be called from other threadN)rw r )r r# r# r$ rI � s zSerial.cancel_writec C s2 |dk r | r t dj|���ntjjj| |� dS )z$Change the exclusive access setting.Nz.win32 only supports exclusive access (not: {}))r- r/ rE r � exclusive�__set__)r rx r# r# r$ rx � s zSerial.exclusive)r r
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