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dA dB � � Z � S)D�Serialz5Serial port implementation for Win32 based on ctypes.�2 �K �n � � �� �, �X � � �` � �% � K � � � � � � c sE t t | � j � d | _ d | _ d | _ t j | | | � d S)N)�superr �__init__� _port_handle�_overlapped_read�_overlapped_write)�self�args�kwargs)� __class__� �4/usr/lib/python3/dist-packages/serial/serialwin32.pyr s
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# z Serial.openc C sD | j s t d � � t j � } | j d k r3 n= | j d k rQ t j | _ n t t | j d � d � | _ | j d k r� | j
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| j t j | � � t j | j t j � t j � } t j | j t j | � � | j | _ | j t j k r�d | _ nm | j t j k r�d | _ nO | j t j k r�d | _ n1 | j t j k r�d | _ n t d
| j � � | j t j k rt j | _! d | _" n� | j t j# k rAt j$ | _! d | _" n� | j t j% k rkt j& | _! d | _" ng | j t j' k r�t j( | _! d | _" n= | j t j) k r�t j* | _! d | _" n t d | j � � | j+ t j, k r�t j- | _. nU | j+ t j/ k rt j0 | _. n4 | j+ t j1 k r5t j2 | _. n t d | j+ � � d | _3 | j4 d k r�| j5 rxt j6 | _7 n | j8 r�t j9 n t j: | _7 | j5 | _; n� | j4 j< s�t d
| j4 j< f � � | j4 j= r�t d | j4 j= f � � | j4 j> d k rt d | j4 j> f � � | j4 j? d k rEt d | j4 j? f � � | j4 j@ rjt d | j4 j@ f � � t jA | _7 d | _; | jB r�t jC | _D n | jE r�t jF n t jG | _D | jB | _H | jI | _J | jI | _K d | _L d | _M d | _N t jO | _P t jQ | _R t jS | j t j | � � s@t d t jT � � � d S)z,Set communication parameters on opened port.z'Can only operate on a valid port handleNr i� r' � � � r& z#Unsupported number of data bits: %rzUnsupported parity mode: %rz#Unsupported number of stop bits: %rz8Unsupported value for RS485Settings.rts_level_for_tx: %rz8Unsupported value for RS485Settings.rts_level_for_rx: %rz7Unsupported value for RS485Settings.delay_before_tx: %rz7Unsupported value for RS485Settings.delay_before_rx: %rz0Unsupported value for RS485Settings.loopback: %rzACannot configure port, something went wrong. Original message: %r)Ur r r r3 Z_timeoutZMAXDWORDZReadIntervalTimeout�maxr, ZReadTotalTimeoutConstantZ_inter_byte_timeout�_write_timeoutZWriteTotalTimeoutConstant�SetCommTimeoutsr/ r5 Z SetCommMaskZEV_ERRZDCBZ GetCommStateZ _baudrateZBaudRateZ _bytesize�serialZFIVEBITSZByteSizeZSIXBITSZ SEVENBITSZ EIGHTBITSr- Z_parityZ PARITY_NONEZNOPARITYZParityZfParityZ PARITY_EVENZ
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fAbortOnErrorZXONZXonCharZXOFFZXoffCharZ SetCommStater0 )r ZtimeoutsZcomDCBr# r# r$ r6 b s� zSerial._reconfigure_portc C s� | j r� t j | j | j � t j | j � | j d k rZ t j | j j � d | _ | j d k r� t j | j j � d | _ d | _ d S)zinternal close port helperN)r r rD r4 Z CloseHandler r1 r )r r# r# r$ r< � s z
Serial._closec C s | j r | j � d | _ d S)z
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z Serial.closec C sU t j � } t j � } t j | j t j | � t j | � � sN t d � � | j S)z9Return the number of bytes currently in the input buffer.z call to ClearCommError failed) r �DWORD�COMSTAT�ClearCommErrorr r/ r5 r �cbInQue)r �flags�comstatr# r# r$ �
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* zSerial.in_waitingr' c C sh | j s t � | d k rUt j | j j � t j � } t j � } t j | j t j
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| � d � | j d | j � } n t � } t | � S)z� Read size bytes from the serial port. If a timeout is set it may
return less characters as requested. With no timeout it will block
until the requested number of bytes is read.r z call to ClearCommError failedzReadFile failed (%r)TN)r r r Z
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ERROR_SUCCESS�ERROR_IO_PENDINGr0 �GetOverlappedResult�raw�value�bytes) r �sizerM rN �nZbuf�rcZread_ok�readr# r# r$ rZ s8 * 3%. 3%. z Serial.readc C s� | j s t � t | � } | r� t j � } t j | j | t | � t j | � | j � } | r� t j
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� � � | j d k r� t j | j | j t j | � d � } | j t | � k r� t � | j Sd Sd S)z2Output the given byte string over the serial port.zWriteFile failed (%r)r TN)r r r r rI Z WriteFile�lenr/ r5 r rQ rR r r0 rC rS rU r )r �datarX �errr# r# r$ �write& s 0 'z Serial.writec C s! x | j r t j d � q Wd S)zb Flush of file like objects. In this case, wait until all data
is written.
g�������?N)� out_waiting�timeZsleep)r r# r# r$ �flush> s z Serial.flushc C s0 | j s t � t j | j t j t j B� d S)z9Clear input buffer, discarding all that is in the buffer.N)r r r r7 r: r; )r r# r# r$ �reset_input_bufferI s zSerial.reset_input_bufferc C s0 | j s t � t j | j t j t j B� d S)zs Clear output buffer, aborting the current output and discarding all
that is in the buffer.
N)r r r r7 r8 r9 )r r# r# r$ �reset_output_bufferO s zSerial.reset_output_bufferc C s? | j s t � | j r+ t j | j � n t j | j � d S)zBSet break: Controls TXD. When active, to transmitting is possible.N)r r Z _break_stater Z SetCommBreakZClearCommBreak)r r# r# r$ �_update_break_stateX s
zSerial._update_break_statec C s< | j r" t j | j t j � n t j | j t j � d S)z)Set terminal status line: Request To SendN)rF r �EscapeCommFunctionr ZSETRTSZCLRRTS)r r# r# r$ �_update_rts_statea s zSerial._update_rts_statec C s< | j r" t j | j t j � n t j | j t j � d S)z-Set terminal status line: Data Terminal ReadyN)rG r re r ZSETDTRZCLRDTR)r r# r# r$ �_update_dtr_stateh s zSerial._update_dtr_statec C s> | j s t � t j � } t j | j t j | � � | j S)N)r r r rI ZGetCommModemStatusr/ r5 rU )r �statr# r# r$ �_GetCommModemStatuso s
zSerial._GetCommModemStatusc C s t j | j � @d k S)z(Read terminal status line: Clear To Sendr )r Z MS_CTS_ONri )r r# r# r$ �ctsv s z
Serial.ctsc C s t j | j � @d k S)z)Read terminal status line: Data Set Readyr )r Z MS_DSR_ONri )r r# r# r$ �dsr{ s z
Serial.dsrc C s t j | j � @d k S)z)Read terminal status line: Ring Indicatorr )r Z
MS_RING_ONri )r r# r# r$ �ri� s z Serial.ric C s t j | j � @d k S)z)Read terminal status line: Carrier Detectr )r Z
MS_RLSD_ONri )r r# r# r$ �cd� s z Serial.cdi Nc C s, | d k r | } t j | j | | � d S)z� Recommend a buffer size to the driver (device driver can ignore this
value). Must be called before the port is opended.
N)r r2 r )r Zrx_sizeZtx_sizer# r# r$ �set_buffer_size� s zSerial.set_buffer_sizeTc C sH | j s t � | r. t j | j t j � n t j | j t j � d S)a* Manually control flow - when software flow control is enabled.
This will do the same as if XON (true) or XOFF (false) are received
from the other device and control the transmission accordingly.
WARNING: this function is not portable to different platforms!
N)r r r re ZSETXONZSETXOFF)r �enabler# r# r$ �set_output_flow_control� s
z Serial.set_output_flow_controlc C sU t j � } t j � } t j | j t j | � t j | � � sN t d � � | j S)z0Return how many bytes the in the outgoing bufferz call to ClearCommError failed) r rI rJ rK r r/ r5 r ZcbOutQue)r rM rN r# r# r$ r_ � s
* zSerial.out_waiting)r r
r r r
r r r r r r r r r r r r ) �__name__�
__module__� __qualname__�__doc__Z BAUDRATESr r> r6 r< rH �propertyrO rZ r^ ra rb rc rd rf rg ri rj rk rl rm rn rp r_ r# r# )r" r$ r s2 A % r �__main__z%s
i K rA )r/ r` rE r Zserial.serialutilr r r r r r rq �sys�s�stdoutr^ ZbaudrateZdatabitsrH r= r> r# r# r# r$ �<module> s$ (� �