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d d � Z e d � Z e d � Z e d! � Z d" � Z d# � Z d$ � Z d% � Z RS(' sS Serial port implementation that simulates a loop back connection in plain software.i2 iK in i� i� i� i, iX i� i i` i� i�% i K i � i � i � c C s� | j r t d � � n d | _ t j � | _ t � | _ t | _
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| j � | j � t | _ | j s� | j t � | j t � n | j � | j � d S( sj Open port with current settings. This may throw a SerialException
if the port cannot be opened.s Port is already open.s. Port must be configured before it can be used.N( t _isOpent SerialExceptiont Nonet loggert threadingt Lockt buffer_lockt bytearrayt loop_buffert Falset ctst dsrt _portt fromURLt portt _reconfigurePortt Truet _rtsctst setRTSt setDTRt
flushInputt flushOutput( t self( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt open& s"
c C so t | j t t f � s9 d | j k o3 d k n rO t d | j � � n | j rk | j j d � n d S( sg Set communication parameters on opened port. for the loop://
protocol all settings are ignored!i i i s invalid baudrate: %rs _reconfigurePort()NI ( t
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Close portg333333�?N( R R t timet sleep( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt closeJ s c C s t d � � d S( Ns2 there is no sensible way to turn numbers into URLs( R ( R R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt makeDeviceNameQ s c C s | j � j d � r" | d } n y� x� | j d � D]� } d | k rb | j d d � \ } } n d } | sq q5 | d k r� t j � t j d � | _ | j j t | � | j j
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| � � n Xd S( s( extract host and port from an URL strings loop://i t /t =i t loggings
pySerial.loops enabled loggings unknown option: %rsA expected a string in the form "[loop://][option[/option...]]": %sN(
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startswitht splitR R) t basicConfigt getLoggerR t setLevelt
LOGGER_LEVELSR R" R ( R t urlt optiont valuet e( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyR T s"
c C sK | j s t � n | j r> | j j d t | j � f � n t | j � S( s> Return the number of characters currently in the input buffer.s inWaiting() -> %d( R t portNotOpenErrorR R t lenR ( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt inWaitingl s
#i c C s� | j s t � n | j d k r7 t j � | j } n d } t � } x� | d k r� | j j � z! t | j | � } | j | 4Wd | j j
� X| | 7} | t | � 8} | rI t j � | k rI PqI qI Wt | � S( s� Read size bytes from the serial port. If a timeout is set it may
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until the requested number of bytes is read.i N(
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connection is blocked. May raise SerialException if the connection is
closed.g $@N( R R5 R< R6 R t
_writeTimeoutR R# R$ t writeTimeoutErrorR R9 R R; ( R R? t time_used_to_send( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt write� s
c C s[ | j s t � n | j r. | j j d � n | j j � z | j 2Wd | j j � Xd S( s9 Clear input buffer, discarding all that is in the buffer.s flushInput()N( R R5 R R R R9 R R; ( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyR � s
c C s2 | j s t � n | j r. | j j d � n d S( sb Clear output buffer, aborting the current output and
discarding all that is in the buffer.s
flushOutput()N( R R5 R R ( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyR � s g �?c C s | j s t � n d S( sP Send break condition. Timed, returns to idle state after given
duration.N( R R5 ( R t duration( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt sendBreak� s c C s9 | j s t � n | j r5 | j j d | f � n d S( sJ Set break: Controls TXD. When active, to transmitting is
possible.s setBreak(%r)N( R R5 R R ( R t level( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt setBreak� s c C sB | j s t � n | j r5 | j j d | f � n | | _ d S( s) Set terminal status line: Request To Sends setRTS(%r) -> state of CTSN( R R5 R R R ( R RH ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyR � s
c C sB | j s t � n | j r5 | j j d | f � n | | _ d S( s- Set terminal status line: Data Terminal Readys setDTR(%r) -> state of DSRN( R R5 R R R ( R RH ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyR � s
c C s? | j s t � n | j r8 | j j d | j f � n | j S( s( Read terminal status line: Clear To Sends getCTS() -> state of RTS (%r)( R R5 R R R ( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt getCTS� s
c C s? | j s t � n | j r8 | j j d | j f � n | j S( s) Read terminal status line: Data Set Readys getDSR() -> state of DTR (%r)( R R5 R R R ( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt getDSR� s
c C s2 | j s t � n | j r. | j j d � n t S( s) Read terminal status line: Ring Indicators returning dummy for getRI()( R R5 R R R ( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt getRI� s
c C s2 | j s t � n | j r. | j j d � n t S( s) Read terminal status line: Carrier Detects returning dummy for getCD()( R R5 R R R ( R ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyt getCD� s
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__module__t __doc__t BAUDRATESR R R% R& R R7 RA RE R R RG R RI R R RJ RK RL RM ( ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyR s* t Serialc B s e Z RS( ( RN RO ( ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyRR � s c B s e Z RS( ( RN RO ( ( ( sC /usr/lib/python2.7/site-packages/serial/urlhandler/protocol_loop.pyRR � s t __main__s loop://s %s
s write...
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