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�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
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SerialBasezh Serial port base class. Provides __init__ function and properties to
get/set port settings.
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| _| | _ 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.
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�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.
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terminator�sizeZlenterm�line�cr r r �
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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�
;
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zbaud rates: {}
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z{}
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