Package: nibe
Nibe libraryLibrary for communication with Nibe heatpumps.Supported heatpump modelsF1145F1155F1245F1255F1345F1355F370F470F730F750S320S325S735S2125SMO20SMO40SMOS40VVM225VVM310VVM320VVM325VVM500Connection methodsRS485 hardwired using NibeGW on Arduino or RPi. NibeGW was developed by Pauli Anttila forOpenhab's integration.(Not yet tested)TCP Modbus for S Models(Not yet tested)Serial Modbus for Nibe Modbus 40)NibeGWFor this connection method to work you will need to connect an Arduino with special firmware that will act as a proxy between Heatpump RS485 and this library. Some details regarding how this method works can be foundhere.NibeGW firmware for Arduino or RPi can bedownload here.Library will open 9999 UDP listening port to receive packets from NibeGW.For read commands library will send UDP packets to NibeGW port 9999.For write commands library will send UDP packets to NibeGW port 10000.Ports are configurableimportasyncioimportloggingfromnibe.coilimportCoilDatafromnibe.connection.nibegwimportNibeGWfromnibe.heatpumpimportHeatPump,Modellogger=logging.getLogger("nibe").getChild(__name__)defon_coil_update(coil_data:CoilData):logger.debug(coil_data)asyncdefmain():heatpump=HeatPump(Model.F1255)# heatpump.word_swap = False  # uncomment if you have word swap disabled in 5.3.11 service menuawaitheatpump.initialize()heatpump.subscribe(HeatPump.COIL_UPDATE_EVENT,on_coil_update)connection=NibeGW(heatpump=heatpump,remote_ip="192.168.1.2")awaitconnection.start()if__name__=='__main__':logging.basicConfig(level=logging.DEBUG)loop=asyncio.get_event_loop()loop.run_until_complete(main())loop.run_forever()TCP ModbusWith S series heatpumpsimportasyncioimportloggingfromnibe.coilimportCoilDatafromnibe.connection.modbusimportModbusfromnibe.heatpumpimportHeatPump,Modellogger=logging.getLogger("nibe").getChild(__name__)defon_coil_update(coil_data:CoilData):logger.debug(f"on_coil_update:{coil_data}")asyncdefmain():heatpump=HeatPump(Model.F1255)# heatpump.word_swap = False  # uncomment if you have word swap disabled in 5.3.11 service menuawaitheatpump.initialize()heatpump.subscribe(HeatPump.COIL_UPDATE_EVENT,on_coil_update)connection=Modbus(heatpump=heatpump,url="tcp://192.168.1.2:502",slave_id=1)coil=heatpump.get_coil_by_name('bt50-room-temp-s1-40033')coil_data=awaitconnection.read_coil(coil)logger.debug(f"main:{coil_data}")if__name__=='__main__':logging.basicConfig(level=logging.DEBUG)loop=asyncio.get_event_loop()loop.run_until_complete(main())loop.run_forever()Serial ModbusWith NIBE MODBUS 40importasyncioimportloggingfromnibe.coilimportCoilDatafromnibe.connection.modbusimportModbusfromnibe.heatpumpimportHeatPump,Modellogger=logging.getLogger("nibe").getChild(__name__)defon_coil_update(coil_data:CoilData):logger.debug(f"on_coil_update:{coil_data}")asyncdefmain():heatpump=HeatPump(Model.F1255)# heatpump.word_swap = False  # uncomment if you have word swap disabled in 5.3.11 service menuawaitheatpump.initialize()heatpump.subscribe(HeatPump.COIL_UPDATE_EVENT,on_coil_update)connection=Modbus(heatpump=heatpump,url="serial:///dev/ttyS0",slave_id=1,conn_options={"baudrate":9600})coil=heatpump.get_coil_by_name('bt50-room-temp-s1-40033')coil_data=awaitconnection.read_coil(coil)logger.debug(f"main:{coil_data}")if__name__=='__main__':logging.basicConfig(level=logging.DEBUG)loop=asyncio.get_event_loop()loop.run_until_complete(main())loop.run_forever()Model auto detectionWith NibeGW it is possible to auto identify heatpump model.
Heatpump sends information about model every 15 seconds.heatpump = HeatPump()  # Note that we do not specify model here

# ...

connection = NibeGW(heatpump=heatpump, remote_ip="192.168.1.2")
await connection.start()
heatpump.product_info = await connection.read_product_info()
await heatpump.initialize()DisclaimerNibe is registered mark of NIBE Energy Systems.The code was developed as a way of integrating personally owned Nibe heatpump, and it cannot be used for other purposes. It is not affiliated with any company, and it doesn't have commercial intent.The code is provided AS IS and the developers will not be held responsible for failures in the heatpump operation or any other malfunction.HOWTOs for developersHow to capture and replay traffic from NibeGWRequirementsAPT:tcpdumptcpreplayOn recipient device run:sudotcpdump-ieth0udpport9999-wnibe-9999.pcap

tcprewrite--infile=nibe-9999.pcap--outfile=nibe-9999rw.pcap--dstipmap=192.168.1.3:192.168.1.2--enet-dmac=CC:CC:CC:CC:CC:CC--fixcsum

sudotcpreplay--intf1=eth0nibe-9999rw.pcapYou will need to replace IP addresses for rewrite and Mac address of new recipient deviceI want to add/update registers in the libraryTo add/edit registers in the library first of all you need to find documentation how these parameters are officially called. There will be a backward compatibility break if a name will change.The process contains of mainly next steps: 1. Update source CSV files. 2. Convert CSV files to JSON. 3. Edit extensions.json if needed. 4. Submit PR.1.A For F series pumpsUseModbusManager. Do CSV export for the unit you want to update. Find the correct file innibe/datafolder. Merge data into that file (Do not change/update any lines. All CSV files are source files they must not be changed).1.B For S serires pumpsChange your pump language to English and do registers export. Merge that data into the correct file innibe/datafolder (Do not change/update any lines. All CSV files are source files they must not be changed).2. Convert source CSV files to JSONpython3-mnibe.console_scripts.convert_csv3. Verify JSON filesVerify that convertion was succesful and required lines correctly appeared in the json files. If some modifications are required you need to editextensions.jsonto fix these. Do not edit source CSV files.4. Submit PRAttach your source CSV file for reference so we could verify as well.GNU GENERAL PUBLIC LICENSE
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permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
combined work, and to convey the resulting work.  The terms of this
License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.Revised Versions of this License.The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time.  Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.Each version is given a distinguishing version number.  If the
Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation.  If the Program does not specify a version number of the
GNU General Public License, you may choose any version ever published
by the Free Software Foundation.If the Program specifies that a proxy can decide which future
versions of the GNU General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.Later license versions may give you additional or different
permissions.  However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.Disclaimer of Warranty.THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.Limitation of Liability.IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.Interpretation of Sections 15 and 16.If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.END OF TERMS AND CONDITIONS

        How to Apply These Terms to Your New ProgramsIf you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year>  <name of author>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.Also add information on how to contact you by electronic and paper mail.If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:<program>  Copyright (C) <year>  <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.The hypothetical commandsshow w' andshow c' should show the appropriate
parts of the General Public License.  Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, seehttps://www.gnu.org/licenses/.The GNU General Public License does not permit incorporating your program
into proprietary programs.  If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.  But first, please readhttps://www.gnu.org/licenses/why-not-lgpl.html.