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�z Serial.writec C s | j rt�d� q dS )zb Flush of file like objects. In this case, wait until all data
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t�| jr t�| j� n t�| j� dS )zBSet break: Controls TXD. When active, to transmitting is possible.N)r r Z _break_stater Z SetCommBreakr ZClearCommBreakrB r r r �_update_break_statel s
zSerial._update_break_statec C s, | j rt�| jtj� nt�| jtj� dS )z)Set terminal status line: Request To SendN)r> r �EscapeCommFunctionr ZSETRTSZCLRRTSrB r r r �_update_rts_stateu s zSerial._update_rts_statec C s, | j rt�| jtj� nt�| jtj� dS )z-Set terminal status line: Data Terminal ReadyN)r? r rd r ZSETDTRZCLRDTRrB r r r �_update_dtr_state| s zSerial._update_dtr_statec C s, | j s
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zSerial._GetCommModemStatusc C s t j| �� @ dkS )z(Read terminal status line: Clear To Sendr )r Z MS_CTS_ONrh rB r r r �cts� s z
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MS_RLSD_ONrh rB r r r �cd� s z Serial.cdr Nc C s |dkr |}t �| j||� dS )z� Recommend a buffer size to the driver (device driver can ignore this
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t�|r t�| jtj� nt�| jtj� dS )a* Manually control flow - when software flow control is enabled.
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zSerial.out_waitingc C sP t �� }t �| jt�|�t�|�d�}|sLt �� t jt jfkrLt � | j|� dS )�ACancel a blocking read operation, may be called from other threadFN)
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overlappedrX �errr r r �_cancel_overlapped_io� s �z Serial._cancel_overlapped_ioc C s | � | j� dS )rp N)rr r rB r r r r@ � s zSerial.cancel_readc C s | � | j� dS )zBCancel a blocking write operation, may be called from other threadN)rr r rB r r r rA � s zSerial.cancel_writec C s0 |dk r |s t d�|���ntjj�| |� dS )z$Change the exclusive access setting.Nz.win32 only supports exclusive access (not: {}))r% r' r= r � exclusive�__set__)r rs r r r rs � s zSerial.exclusive)r )r N)T)#�__name__�
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