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3 M�]W�J � " @ s� d dl Z d dlZye W n( eefk r@ G dd� de�ZY nX ye W n eefk rf eZY nX ye W n eefk r� efZY nX dd� Z dd� Z e dg�Z e d g�Z e d g�Z e d g�Zd,\ZZZZZd-\ZZZd.\ZZZZededededed iZG d d � d e �Z G d d � d e �Z e d!�Z e d"�Z G d#d$� d$e j!�Z"e#d%k�r�d dl$Z$e"� Z%e$j&j'd&j(e%j)�� e$j&j'd'j(e%j*�� e$j&j'd(j(e%j+�� e$j&j'd)j(e%j,�� e$j&j'd*j(e%j-�� e$j&j'd+j(e%�� dS )/� Nc @ s e Zd ZdS )� memoryviewN)�__name__� __module__� __qualname__� r r � /usr/lib/python3.6/serialutil.pyr s r c c sF t | t�r| j� } d}x*| ||d � }|d7 }|r<|V qP qW dS )z=Iterate over bytes, returning bytes instead of ints (python3)r � N)� isinstancer �tobytes)�b�i�ar r r � iterbytes& s r c C s� t | t�r| S t | t�r t| �S t | t�r2| j� S t | t�rLtdj| ���n8t� }x(| D ] }t |t�rnt|�}|j |� qXW t|�S dS )z"convert a sequence to a bytes typez?unicode strings are not supported, please encode to bytes: {!r}N) r �bytes� bytearrayr r �unicode� TypeError�format�ord�append)�seqr �itemr r r �to_bytes6 s r � � � � �N�E�O�M�Sr � �?� � � � � �NoneZEvenZOddZMarkZSpacec @ s e Zd ZdZdS )�SerialExceptionz.Base class for serial port related exceptions.N)r r r �__doc__r r r r r) _ s r) c @ s e Zd ZdZdS )�SerialTimeoutExceptionz Write timeouts give an exceptionN)r r r r* r r r r r+ c s r+ z Write timeoutz)Attempting to use a port that is not openc @ s� e Zd ZdZd�ZeeeefZ e e e e efZeeefZd dee ed d!d!d d!d f d"d#�Zed$d%� �Zejd&d%� �Zed'd(� �Zejd)d(� �Zed*d+� �Zejd,d+� �Zed-d.� �Zejd/d.� �Zed0d1� �Zejd2d1� �Zed3d4� �Z e jd5d4� �Z ed6d7� �Z e jd8d7� �Z ed9d:� �Z e jd;d:� �Z ed<d=� �Z e jd>d=� �Z ed?d@� �Z e jdAd@� �Z edBdC� �Z!e!jd�dDdC��Z!edEdF� �Z"e"jdGdF� �Z"edHdI� �Z#e#jdJdI� �Z#edKdL� �Z$e$jdMdL� �Z$edNdO� �Z%e%jdPdO� �Z%d�Z&d[d\� Z'd]d^� Z(d_d`� Z)dadb� Z*dcdd� Z+dedf� Z,dgdh� Z-didj� Z.dkdl� Z/d�dndo�Z0dpdq� Z1drds� Z2dtdu� Z3d�dvdw�Z4d�dydz�Z5d�d{d|�Z6d}d~� Z7dd�� Z8d�d�� Z9d�d�� Z:d�d�� Z;ed�d�� �Z<e<jd�d�� �Z<ed�d�� �Z=e=jd�d�� �Z=d�d�� Z>d�d�� Z?d�d�� Z@d�d�� ZAeBd fd�d��ZCd�d�� ZDd S )�� SerialBasezh Serial port base class. Provides __init__ function and properties to get/set port settings. �2 �K �n � � �� �, �X � � �` � �% � K � � � � � � � � � � � � � � �@B � � �`� 逄 �%& ��- ��g5 � = NFc K s� d| _ d| _d| _d| _d| _d| _d| _d| _d| _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _d| _|| _|| _|| _|| _|| _|| _| | _|| _|| _| | _| | _ d| kr�| j d�| _d| kr�| j d�| _ | r�t dj | ���|dk r�| j � dS )z� Initialize comm port object. If a "port" is given, then the port will be opened immediately. Otherwise a Serial port object in closed state is returned. FNT� writeTimeout�interCharTimeoutz"unexpected keyword arguments: {!r})!�is_open�portstr�name�_port� _baudrate� _bytesize�_parity� _stopbits�_timeout�_write_timeout�_xonxoff�_rtscts�_dsrdtr�_inter_byte_timeout� _rs485_mode� _rts_state� _dtr_state� _break_state�port�baudrate�bytesize�parity�stopbits�timeout� write_timeout�xonxoff�rtscts�dsrdtr�inter_byte_timeout�pop� ValueErrorr �open) �selfr_ r` ra rb rc rd rf rg re rh ri �kwargsr r r �__init__z sJ zSerialBase.__init__c C s | j S )z{ Get the current port setting. The value that was passed on init or using setPort() is passed back. )rP )rm r r r r_ � s zSerialBase.portc C s\ |dk r&t |t� r&tdjt|����| j}|r8| j� || _|| _| j| _ |rX| j � dS )z! Change the port. Nz'"port" must be None or a string, not {}) r � basestringrk r �typerM �closerN rP rO rl )rm r_ Zwas_openr r r r_ � s c C s | j S )z"Get the current baud rate setting.)rQ )rm r r r r` � s zSerialBase.baudratec C s^ y t |�}W n" tk r. tdj|���Y n,X |dk rFtdj|���|| _| jrZ| j� dS )z� Change baud rate. It raises a ValueError if the port is open and the baud rate is not possible. If the port is closed, then the value is accepted and the exception is raised when the port is opened. zNot a valid baudrate: {!r}r N)�intr rk r rQ rM �_reconfigure_port)rm r` r r r r r` � s c C s | j S )z"Get the current byte size setting.)rR )rm r r r ra � s zSerialBase.bytesizec C s0 || j krtdj|���|| _| jr,| j� dS )zChange byte size.zNot a valid byte size: {!r}N)� BYTESIZESrk r rR rM rt )rm ra r r r ra � s c C s | j S )z Get the current parity setting.)rS )rm r r r rb � s zSerialBase.parityc C s0 || j krtdj|���|| _| jr,| j� dS )zChange parity setting.zNot a valid parity: {!r}N)�PARITIESrk r rS rM rt )rm rb r r r rb s c C s | j S )z"Get the current stop bits setting.)rT )rm r r r rc s zSerialBase.stopbitsc C s0 || j krtdj|���|| _| jr,| j� dS )zChange stop bits size.z Not a valid stop bit size: {!r}N)�STOPBITSrk r rT rM rt )rm rc r r r rc s c C s | j S )z Get the current timeout setting.)rU )rm r r r rd s zSerialBase.timeoutc C sf |dk rNy |d W n" t k r6 tdj|���Y nX |dk rNtdj|���|| _| jrb| j� dS )zChange timeout setting.Nr zNot a valid timeout: {!r}r )r rk r rU rM rt )rm rd r r r rd s c C s | j S )z Get the current timeout setting.)rV )rm r r r re , s zSerialBase.write_timeoutc C sf |dk rN|dk r t dj|���y |d W n" tk rL t dj|���Y nX || _| jrb| j� dS )zChange timeout setting.Nr zNot a valid timeout: {!r}r )rk r r rV rM rt )rm rd r r r re 1 s c C s | j S )z0Get the current inter-character timeout setting.)rZ )rm r r r ri @ s z SerialBase.inter_byte_timeoutc C sf |dk rN|dk r t dj|���y |d W n" tk rL t dj|���Y nX || _| jrb| j� dS )z"Change inter-byte timeout setting.Nr zNot a valid timeout: {!r}r )rk r r rZ rM rt )rm Z ic_timeoutr r r ri E s c C s | j S )z!Get the current XON/XOFF setting.)rW )rm r r r rf T s zSerialBase.xonxoffc C s || _ | jr| j� dS )zChange XON/XOFF setting.N)rW rM rt )rm rf r r r rf Y s c C s | j S )z-Get the current RTS/CTS flow control setting.)rX )rm r r r rg ` s zSerialBase.rtsctsc C s || _ | jr| j� dS )z$Change RTS/CTS flow control setting.N)rX rM rt )rm rg r r r rg e s c C s | j S )z-Get the current DSR/DTR flow control setting.)rY )rm r r r rh l s zSerialBase.dsrdtrc C s* |dkr| j | _n|| _| jr&| j� dS )z#Change DsrDtr flow control setting.N)rX rY rM rt )rm rh r r r rh q s c C s | j S )N)r\ )rm r r r �rts} s zSerialBase.rtsc C s || _ | jr| j� d S )N)r\ rM Z_update_rts_state)rm �valuer r r rx � s c C s | j S )N)r] )rm r r r �dtr� s zSerialBase.dtrc C s || _ | jr| j� d S )N)r] rM Z_update_dtr_state)rm ry r r r rz � s c C s | j S )N)r^ )rm r r r �break_condition� s zSerialBase.break_conditionc C s || _ | jr| j� d S )N)r^ rM Z_update_break_state)rm ry r r r r{ � s c C s | j S )z� Enable RS485 mode and apply new settings, set to None to disable. See serial.rs485.RS485Settings for more info about the value. )r[ )rm r r r � rs485_mode� s zSerialBase.rs485_modec C s || _ | jr| j� d S )N)r[ rM rt )rm Zrs485_settingsr r r r| � s r` ra rb rc rf rh rg rd re ri c s t � fdd�� jD ��S )zb Get current port settings as a dictionary. For use with apply_settings(). c s g | ]}|t � d | �f�qS )�_)�getattr)�.0�key)rm r r � <listcomp>� s z+SerialBase.get_settings.<locals>.<listcomp>)�dict�_SAVED_SETTINGS)rm r )rm r � get_settings� s zSerialBase.get_settingsc C sB x<| j D ]2}||kr|| t| d| �krt| ||| � qW dS )z� Apply stored settings from a dictionary returned from get_settings(). It's allowed to delete keys from the dictionary. These values will simply left unchanged. r} N)r� r~ �setattr)rm �dr� r r r �apply_settings� s zSerialBase.apply_settingsc C s dj | jjt| �| d�S )zAString representation of the current port settings and its state.z�{name}<id=0x{id:x}, open={p.is_open}>(port={p.portstr!r}, baudrate={p.baudrate!r}, bytesize={p.bytesize!r}, parity={p.parity!r}, stopbits={p.stopbits!r}, timeout={p.timeout!r}, xonxoff={p.xonxoff!r}, rtscts={p.rtscts!r}, dsrdtr={p.dsrdtr!r}))rO �id�p)r � __class__r r� )rm r r r �__repr__� s zSerialBase.__repr__c C s dS )NTr )rm r r r �readable� s zSerialBase.readablec C s dS )NTr )rm r r r �writable� s zSerialBase.writablec C s dS )NFr )rm r r r �seekable� s zSerialBase.seekablec C sz | j t|��}t|�}y||d |�< W nN tk rt } z2dd l}t||j�sP|�|jd|�|d |�< W Y d d }~X nX |S )Nr r )�read�lenr �arrayr )rm r �data�n�errr� r r r �readinto� s &zSerialBase.readintoc C s | S )Nr )rm r r r � __enter__� s zSerialBase.__enter__c O s | j � d S )N)rr )rm �argsrn r r r �__exit__� s zSerialBase.__exit__� �?c C s$ | j s t�d| _tj|� d| _dS )za Send break condition. Timed, returns to idle state after given duration. TFN)rM �portNotOpenErrorr{ �timeZsleep)rm �durationr r r � send_break� s zSerialBase.send_breakc C s | j � d S )N)Zreset_input_buffer)rm r r r � flushInput� s zSerialBase.flushInputc C s | j � d S )N)Zreset_output_buffer)rm r r r � flushOutput s zSerialBase.flushOutputc C s | j S )N)� in_waiting)rm r r r � inWaiting s zSerialBase.inWaitingc C s | j |� d S )N)r� )rm r� r r r � sendBreak s zSerialBase.sendBreakr c C s || _ d S )N)rx )rm ry r r r �setRTS s zSerialBase.setRTSc C s || _ d S )N)rz )rm ry r r r �setDTR s zSerialBase.setDTRc C s | j S )N)Zcts)rm r r r �getCTS s zSerialBase.getCTSc C s | j S )N)Zdsr)rm r r r �getDSR s zSerialBase.getDSRc C s | j S )N)Zri)rm r r r �getRI s zSerialBase.getRIc C s | j S )N)Zcd)rm r r r �getCD s zSerialBase.getCDc C s || _ d S )N)r_ )rm r_ r r r �setPort s zSerialBase.setPortc C s | j S )N)re )rm r r r rK s zSerialBase.writeTimeoutc C s || _ d S )N)re )rm rd r r r rK $ s c C s | j S )N)ri )rm r r r rL ( s zSerialBase.interCharTimeoutc C s || _ d S )N)ri )rm rL r r r rL , s c C s | j � S )N)r� )rm r r r �getSettingsDict0 s zSerialBase.getSettingsDictc C s | j |� d S )N)r� )rm r� r r r �applySettingsDict3 s z SerialBase.applySettingsDictc C s | j S )N)rM )rm r r r �isOpen6 s zSerialBase.isOpenc C s | j | j�S )zL Read all bytes currently available in the buffer of the OS. )r� r� )rm r r r �read_all< s zSerialBase.read_allc C s` t |�}t� }xH| jd�}|rR||7 }|| d� |kr:P |dk rTt |�|krTP qP qW t|�S )z� Read until a termination sequence is found (' ' by default), the size is exceeded or until timeout occurs. r N)r� r r� r )rm � terminator�sizeZlenterm�line�cr r r � read_untilB s zSerialBase.read_untilc o s" x | j ||�}|sP |V qW dS )zs Read lines, implemented as generator. It will raise StopIteration on timeout (empty read). N)r� )rm r� rn r� r r r � iread_untilU s zSerialBase.iread_until) r- r. r/ r0 r1 r2 r3 r4 r5 r6 r7 r8 r9 r: r; r< r= r> r? r@ rA rB rC rD rE rF rG rH rI rJ )N) r` ra rb rc rf rh rg rd re ri )r� )r� )r )r )Er r r r* � BAUDRATES�FIVEBITS�SIXBITS� SEVENBITS� EIGHTBITSru � PARITY_NONE� PARITY_EVEN� PARITY_ODD� PARITY_MARK� PARITY_SPACErv � STOPBITS_ONE�STOPBITS_ONE_POINT_FIVE� STOPBITS_TWOrw ro �propertyr_ �setterr` ra rb rc rd re ri rf rg rh rx rz r{ r| r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rK rL r� r� r� r� �LFr� r� r r r r r, k s� ; r, �__main__zport name: {} zbaud rates: {} zbyte sizes: {} zparities: {} zstop bits: {} z{} )r r r r r! )r r" r# )r$ r% r& r' ).�ior� r � NameError�AttributeError�objectr �strrp r r ZXONZXOFFZCRr� r� r� r� r� r� r� r� r� r� r� r� r� Z PARITY_NAMES�IOErrorr) r+ ZwriteTimeoutErrorr� � RawIOBaser, r �sys�s�stdout�writer rO r� ru rv rw r r r r �<module> sX z
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