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3 M�]W� � @ s@ d dl T dd� Zdd� Zeddg�Zdd � ZG d d � d e�Zd S ) � )�*c C s6 t | �}| jd�}x |dd � D ]}t||�}q W |S )N�.� )� __import__�split�getattr)�name�modZ components�comp� r � /usr/lib/python3.6/serialjava.py� my_import s r c C sF x8| D ]0}yt |�}|j |S ttfk r4 Y qX qW td��dS )z1try given list of modules and return that importsz/No Java Communications API implementation foundN)r � SerialPort� ImportError�AttributeError)�namesr r r r r �detect_java_comm s r z javax.commzgnu.ioc C sJ t jj� }g }x.|j� r<|j� }|j� t jjkr|j|� qW || j� S )z%Turn a port number into a device name) �comm�CommPortIdentifierZgetPortIdentifiersZhasMoreElementsZ nextElementZ getPortTypeZ PORT_SERIAL�appendZgetName)Z portnumber�enumZportsZelr r r �device* s r c @ s� e Zd ZdZdd� Zdd� Zdd� Zedd � �Zd%d d �Z d d� Z dd� Z dd� Z d&dd�Z dd� Zdd� Zdd� Zed d � �Zed d � �Zed d!� �Zed"d#� �Zd$S )'�Serialz� Serial port class, implemented with Java Communications API and thus usable with jython and the appropriate java extension. c C s� | j dkrtd��| jr td��t| j �td�krBtjj| j �}ntjjt| j ��}y|jdd�| _ W n4 t k r� } zd| _ td| ��W Y dd}~X nX | j � | j j � | _ | j j� | _d| _dS ) zx Open port with current settings. This may throw a SerialException if the port cannot be opened. Nz.Port must be configured before it can be used.zPort is already open.� zpython serial module� zCould not open port: %sT)Z_port�SerialException�is_open�typer r ZgetPortIdentifierr �open�sPort� Exception�_reconfigurePortZgetInputStream� _instreamZgetOutputStream� _outstream)�selfZportId�msgr r r r ; s z Serial.openc C s� | j std��| j jd� | jtkr.tjj}nJ| jtkrBtjj }n6| jt krVtjj }n"| jt krjtjj }ntd| j ��| jtkr�tjj}n6| jtkr�tjj}n"| jtkr�tjj}ntd| j ��| jtkr�tjj}nd| jtkr�tjj}nP| jtk�r tjj}n:| jtk�rtjj}n$| jtk�r,tjj}ntd| j ��d }}| j �rb|tjj O }|tjj O }| j �r�|tjj O }|tjj!O }| j j"| j#|||� | j j$||B � | j%dk�r�| j jt&| j%d �� n | j j'� dS ) z,Set communication parameters on opened port.z'Can only operate on a valid port handle� zunsupported bytesize: %rz"unsupported number of stopbits: %rzunsupported parity type: %rr i� N)(r r ZenableReceiveTimeoutZ _bytesizeZFIVEBITSr r Z DATABITS_5ZSIXBITSZ DATABITS_6Z SEVENBITSZ DATABITS_7Z EIGHTBITSZ DATABITS_8� ValueErrorZ _stopbitsZ STOPBITS_ONEZ STOPBITS_1ZSTOPBITS_ONE_POINT_FIVEZ STOPBITS_1_5Z STOPBITS_TWOZ STOPBITS_2Z_parityZ PARITY_NONEZ PARITY_EVENZ PARITY_ODDZ PARITY_MARKZ PARITY_SPACEZ_rtsctsZFLOWCONTROL_RTSCTS_INZFLOWCONTROL_RTSCTS_OUTZ_xonxoffZFLOWCONTROL_XONXOFF_INZFLOWCONTROL_XONXOFF_OUTZsetSerialPortParamsZ _baudrateZsetFlowControlModeZ_timeout�intZdisableReceiveTimeout)r$ Z jdatabitsZ jstopbitsZjparityZjflowinZjflowoutr r r r! R sT zSerial._reconfigurePortc C s: | j r6| jr0| jj� | jj� | jj� d| _d| _ dS )z Close portNF)r r r" �closer# )r$ r r r r) � s z Serial.closec C s | j s t�| jj� S )z>Return the number of characters currently in the input buffer.)r �portNotOpenErrorr" � available)r$ r r r � in_waiting� s zSerial.in_waitingr c C s\ | j s t�t� }|dkrTx:t|�|k rR| jj� }|dkrF| jdkrPP q|j|� qW 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 r ���) r r* � bytearray�lenr" �readZtimeoutr �bytes)r$ �sizer0 �xr r r r0 � s z Serial.readc C s@ | j s t�t|ttf�s,tdtt|�f ��| jj|� t |�S )z-Output the given string over the serial port.z expected %s or bytearray, got %s) r r* � isinstancer1 r. � TypeErrorr r# �writer/ )r$ �datar r r r6 � s z Serial.writec C s | j s t�| jj| jj� � dS )z9Clear input buffer, discarding all that is in the buffer.N)r r* r" �skipr+ )r$ r r r �reset_input_buffer� s zSerial.reset_input_bufferc C s | j s t�| jj� dS )zs Clear output buffer, aborting the current output and discarding all that is in the buffer. N)r r* r# �flush)r$ r r r �reset_output_buffer� s zSerial.reset_output_buffer� �?c C s | j s t�| j j|d � dS )zHSend break condition. Timed, returns to idle state after given duration.g @�@N)r r* Z sendBreak)r$ Zdurationr r r � send_break� s zSerial.send_breakc C s | j dkrt�td��dS )zBSet break: Controls TXD. When active, to transmitting is possible.Nz<The _update_break_state function is not implemented in java.)�fdr* r )r$ r r r �_update_break_state� s zSerial._update_break_statec C s | j s t�| j j| j� dS )z)Set terminal status line: Request To SendN)r r* ZsetRTSZ _rts_state)r$ r r r �_update_rts_state� s zSerial._update_rts_statec C s | j s t�| j j| j� dS )z-Set terminal status line: Data Terminal ReadyN)r r* ZsetDTRZ _dtr_state)r$ r r r �_update_dtr_state� s zSerial._update_dtr_statec C s | j s t�| j j� dS )z(Read terminal status line: Clear To SendN)r r* ZisCTS)r$ r r r �cts� s z Serial.ctsc C s | j s t�| j j� dS )z)Read terminal status line: Data Set ReadyN)r r* ZisDSR)r$ r r r �dsr� s z Serial.dsrc C s | j s t�| j j� dS )z)Read terminal status line: Ring IndicatorN)r r* ZisRI)r$ r r r �ri� s z Serial.ric C s | j s t�| j j� dS )z)Read terminal status line: Carrier DetectN)r r* ZisCD)r$ r r r �cd� s z Serial.cdN)r )r< )�__name__� __module__� __qualname__�__doc__r r! r) �propertyr, r0 r6 r9 r; r= r? r@ rA rB rC rD rE r r r r r 5 s" 7 r N)Zserial.serialutilr r r r Z SerialBaser r r r r �<module> s
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