| Current File : //usr/lib/python3/dist-packages/twisted/internet/__pycache__/_win32serialport.cpython-312.pyc |
�
Ϫ�f� � �| � d Z ddlZddlZddlmZmZmZ ddlmZ ddl m
Z
ddl m Z G d� de e
j � Zy) zB
Serial port support for Windows.
Requires PySerial and pywin32.
� N)� EIGHTBITS� PARITY_NONE� STOPBITS_ONE)�to_bytes)�abstract)�BaseSerialPortc �L � e Zd ZdZdZdeeeddfd�Zd� Z d� Z
d� Z d � Z d
� Z
d � Zy )
�
SerialPortz@A serial device, acting as a transport, that uses a win32 event.� i�% r c
� � | j |||||d || �� | _ | j � | j � || _ || _ g | _ d| _ d| _ d| _ || _ t j � | _ t j d ddd � | j _ t j � | _ t j d ddd � | j _ | j j# | j j | d� | j j# | j j | d� | j
j% | � | j' � y )N)�baudrate�bytesize�parity�stopbits�timeout�xonxoff�rtsctsr r �serialReadEvent�serialWriteEvent)�_serialFactory�_serial�
flushInput� flushOutput�reactor�protocol�outQueue�closed�closedNotifies�writeInProgress� win32file�
OVERLAPPED�_overlappedRead�
win32event� CreateEvent�hEvent�_overlappedWrite�addEvent�makeConnection�_finishPortSetup)
�selfr �deviceNameOrPortNumberr r
r r r r r s
�C/usr/lib/python3/dist-packages/twisted/internet/_win32serialport.py�__init__zSerialPort.__init__ sB � � �*�*� "� � �� ���� +�
�� �
���� ���� �� � ��
���
��� � ��� �� � ��
� (� 3� 3� 5�� �&0�&<�&<�T�1�a��&N�� � �#� )� 4� 4� 6�� �'1�'=�'=�d�A�q�$�'O�� � �$� � � � � �d� 2� 2� 9� 9�4�AR�S� � � � � �d� 3� 3� :� :�D�BT�U� �
�
�$�$�T�*� � � � � c �� � | j � \ }}t j | j j t j
d� | j � \ }| _ y)zn
Finish setting up the serial port.
This is a separate method to facilitate testing.
r N)�_clearCommErrorr �ReadFiler � _port_handle�AllocateReadBufferr" �read_buf)r* �flags�comstat�rcs r, r) zSerialPort._finishPortSetupK sQ � � �-�-�/���w� %� .� .� �L�L� %� %� � (� (�� +� � � �
���D�Mr. c �T � t j | j j � S )N)r �ClearCommErrorr r2 )r* s r, r0 zSerialPort._clearCommErrorX s � ��'�'�� � �(A�(A�B�Br. c � � t j | j j | j d� }t | j d | � }| j � \ }}|j r�t j | j j � t j | j j t j |j � | j � \ }}t j | j j | j d� }| j j |t |d | � z � n| j j |� t j | j j � t j | j j t j d� | j � \ }| _ y )Nr r )r �GetOverlappedResultr r2 r" r r4 r0 �cbInQuer# �
ResetEventr% r1 r3 r � dataReceived)r* �n�firstr5 r6 r7 �bufs r, r zSerialPort.serialReadEvent[ sg � � � )� )� �L�L� %� %�t�';�';�Q�
�� �� � �r��*�+�� �-�-�/���w� �?�?� � !� !�$�"6�"6�"=�"=� >� �(�(�� � �)�)��,�,�W�_�_�=��$�$��G�B��
�-�-�� � �)�)�4�+?�+?���A�
�M�M� &� &�u�x��B�Q��/@�'@� A�
�M�M� &� &�u� -� � � �d� 2� 2� 9� 9�:� %� .� .� �L�L� %� %� � (� (�� +� � � �
���D�Mr. c �� � |re| j r | j j |� y d| _ t j | j
j || j � y y )Nr )r r �appendr � WriteFiler r2 r& )r* �datas r, �writezSerialPort.write{ sR � � ��#�#��
�
�$�$�T�*�'(��$��#�#��L�L�-�-�t�T�5J�5J�� r. c �� � | j j d� }t j | j j
|| j � y # t $ r
d| _ Y y w xY w)Nr ) r �popr rD r r2 r& �
IndexErrorr )r* � dataToWrites r, r zSerialPort.serialWriteEvent� s^ � � � �-�-�+�+�A�.�K�
� � �� � �)�)�;��8M�8M�
�� � �#$�D� � � �s �A �A&�%A&c �j � | j j | j j � | j j | j j � t
j j | |� | j j � | j j |� y)z�
Called when the serial port disconnects.
Will call C{connectionLost} on the protocol that is handling the
serial data.
N) r � removeEventr" r% r& r �FileDescriptor�connectionLostr �closer )r* �reasons r, rN zSerialPort.connectionLost� sx � �
� � � � ��!5�!5�!<�!<�=� � � � � ��!6�!6�!=�!=�>�� � �.�.�t�V�<� � � ��� � �
�
�$�$�V�,r. N)�__name__�
__module__� __qualname__�__doc__� connectedr r r r- r) r0 r rF r rN � r. r, r
r
sD � �J��I� ��� ���) �V
�C�
�@� � -r. r
)rT r# r �serialr r r �serial.serialutilr �twisted.internetr �twisted.internet.serialportr rM r
rV r. r, �<module>r[ s= �� � � � 8� 7� &� &� 7�@-� ��!8�!8� @-r.