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changelog
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07/21/18
-Fixed bools that are part of an array with MultiRead. Ex MyBool[0]
07/18/18
-Fixed reading bits of a word with MultiRead. Ex: DintTag.0
06/03/18
-Fixed issues handling CIP error codes
-Fixed issue when mixing Read with MultiRead
04/08/18
-Increased default socket timeout
10/23/17
-Raise error for unsupported features
10/06/17
-Added Micro8xx support
-Cleaned up formatting of lgxDevice.py
10/05/17
-Added array writing
-Forward Open/Close cleanup
09/29/17
-Rewrote reply parser to handle bit/bool arrays
06/06/17
-Specify max timeout when discovering devices
06/04/17
-Fixed multiread not dealing with strings properly
03/21/17
-Fixed GetTagList() appending program scoped tags
03/17/17
-Fixed GetTagList() appending every time it is called
02/17/17
-Updated InitialRead usage
-Found a few more formatting issues
02/12/17
-Cleaned up _connect() and it's usage
02/11/17
-Fixed CIP type for LINT, changed to signed
-Cleaned up some formatting issues
-Fixed crash on a read/write after a multi-packet reply
-Modified InitialRead() to raise exception if tag doesn't exist
02/06/17
-Use a different attribute in GetPLCTime()
-Added SetPLCTime() to set the PLC clock
11/23/16
-GetTagList() now includes program scoped tags
11/21/16
-Rewrote GetTagList() to be more efficient, uses connected send
11/16/16
-Fixed crash if GetTagList() was called twice
10/29/16
-Fixed derp with _connect in _multiRead()
10/27/16
-Added .Close() to close the session with the PLC. Whenever a script is done
.Close() should be called.
-Added __exit__() so PLC can be used in a with statement
10/26/16
-Added _getBytes() for sending/receiving data. Should handle failure better
-Rewrote _connect() to handle disconnect/reconnects better
08/17/16
-Fixed tagIOI not dealing with greater than 4 byte tag index
08/05/16
-Fixed derp with calling _getTagList
07/29/16
-Fixed writing to boolean array
07/27/16
-Fixed defaulting to element zero when writing to an array value
07/09/16
-Added CIP error messages, fixed looking at wrong byte for error
-Fixed single bool from array write
07/07/16
-.discover() returns .IPAddress instead of .Address
-Moved some code from _parseIdentityResponse() to lgxDevice.py to simplify function
-Fixed issue with some devices failing to parse
-Better filtering discovered devices
06/15/16
-Added GetTagList() to retreive the controller scope tags
06/14/16
-Added Discover() to query all of the Ethernet I/P devices on the network.
06/09/16
-Added multi-read function back in, also GetPLCTime()
-Fixed writing strings
06/08/16
-Fixed multi-dim read's, array reads. Write functions now working
06/07/16
-Rewrite eip.py. Trying to make it easier to use, only Read functions work for now
04/07/16
-Modified identify.py to get rid of the functions for the lists
03/04/16
-Fixed issue reading array only returning first element
02/25/16
-more mods to identify.py, made it more pythonic with JordanCClark's suggestions
-try without binding if looping through ipv4 addreses doesn't return anything
02/22/16
-identify.py now sends packet out each network adapter
12/11/15
-Fixed incorrect vendorID's in identify.py
-Filter out garbage from GetTagList
-Added MultiRead() function
11/28/15
-Renamed SetIPAddress to IPAddress and SetProcessorSlot to ProcessorSlot
-Updated README with identify.py info
11/27/15
-SequencCounter starts at 1, apparently L32E has problem with it starting at zero
11/23/15
-Added rolling context
10/15/15
-Pretty major rewrite of how we build the CIP request, more to come I'm sure
10/14/15
-DataType is retreived properly now (one byte)
10/09/15
-Reworked the Read function a bit
10/08/15
-Updated TagNameParser and InitialRead to store only base tag
-Fixed read STRING array returning only the first string
10/07/15
-Initial reads minimum amount of data to get data type
10/06/15
-Fixed single bool array read derp, removed some old code
-Reworked CIPDataTypes dict
-Removed, obsolete functions
-Context is no longer a string
-Fixed STRING array reads
10/05/15
-Fixed multi dim write
-Added write single array bool support
10/04/15
-Added multi dim read support
10/01/15
-A bunch of rework for reading/writing bit of a word
-Cleaned up extra read when writing to tag
09/28/15
-Read single BOOL from array works now, reworked initial tag read
-Fixed bit of a word reading, changed code for checking value of bit of a word
09/27/15
-Each unique tag read gets stored in a dictionary so we won't read it again
when we do a write
-Back to returning just value instead of tag type
-Cleaned up write function with new dict changes, fixed issue with bit of word confusion
-Cleaned some more commented functions
09/22/15
-Fixed large array read bug
-Fixed LINT array reads
-Added TagNameParser function
09/20/15
-Large array reads now sort of working
08/31/15
-Write bit of a word fixed (something wrong with bit 31)
08/27/2015
-Added ParsePacket to LGXTag which GetTagList uses
-Read now returns LGXTag type
-Write no longer requres providing data type
-Fixed GetTagList when processor is not in slot 0
08/26/2015
-Added LINT read support
-Added functino .GetPLCTime()
-Fixed write reporting error when successful
-Removed some white space
06/20/2015
-Removed duplicate _buildEIPSendRRDatHeader, renamed some stuff
-Fixed TagName length, was grabbing extra data
-Write now reports an error if it fails
06/17/15
-Created LGXTag object, GetTagList() now returns list of LGXTag
-Modified read for string to accomodate custom string size data types
-Renamed ReadStuffs/WriteStuffs to Read/Write, "STRUCT" data type renamed to "STRING"
06/15/2015
-GetTagList() is now working. Still could use some work though.
06/14/2015
-Rename some TagList functions, combined TagListMessage functions, still needs work
06/12/2015
-Added GetTagList function, needs some serious work though
04/07/2015
-Removed some old code (open connection)
-OpenConnection is handled in Read/Write functions, must use .SetIPAddress("192.168.1.10")
03/23/2015
-Added ProcessorSlot. If not in slot 0, use .SetProcessorSlot(n)
03/22/2015
-Added check for connection in read/write functions, no longer crashes
-Added change log
03/18/2015
-Removed buildCIPTagRead and Write requests (now one funtion)
03/17/2015
-Merged buildTagRead and Write Request into one common function called buildTagRequest
-Cleaned up some code
03/16/2015
-Reworked CIPRequest to read complex data types (specific array elements and UDT's)
-Added ability to read a single simple array element
03/14/2015
-Removed duplicate CIPTagReadRequest function (from testing)
-Initial commit