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Thread: evohome HCE80 UFH valve state decoding from radio signals

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  1. #1
    Automated Home Jr Member
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    Default evohome HCE80 UFH valve state decoding from radio signals

    Starting a proper thread after jumping on the tail of https://www.automatedhome.co.uk/vbul...on-02-00-17-03

    Please see the last couple of pages of that thread for context.

    @DanD
    Yep. The evhome controller system summary shows 4 rows.
    1 for the boiler demand and 3 others, 1 for each of the HCE80 UFH zones

  2. #2
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    Like I mentioned on the thread linked above, Domoticz is picking up the 3 zone temperatures but only 1 switch; for the boiler.
    With a debug build of the latest development branch on windows I'm seeing this pattern repeated every few minutes in the logs :

    2020-01-18 21:47:34.339 Status: evohome: WARNING unrecognised message structure - possible corrupt message ' *ERR_BAD_STOP_BIT*' (3)
    2020-01-18 21:47:34.340 Error: evohome: invalid message structure - possible corrupt message
    2020-01-18 21:47:35.330 Status: evohome: WARNING unrecognised message structure - possible corrupt message ' *ERR_BAD_STOP_BIT*' (3)
    2020-01-18 21:47:35.331 Error: evohome: invalid message structure - possible corrupt message
    2020-01-18 21:47:36.098 Status: evohome: HEAT_DEMAND: Zone (0x4f5e9) DevNo 0xfc 162 (0x3150)
    2020-01-18 21:47:36.157 (evoHome) Heating (Boiler)
    2020-01-18 21:47:36.705 Status: evohome: ACTUATOR_STATE: ID:0x379032 (13:233522) DevNo 0x00: 0

    i.e 2 corrupt messages right before each boiler HEAT_DEMAND message. Perhaps those are the UFH zone valve messages I'm after!

    Looks to me that these errors are coming from the radio software?
    I'm using the nanoCUL FTDI 868MHz hardware and the master branch from https://github.com/ghoti57/evofw2
    I saw there's quite a few other versions and branches around; I tried ghoti57 fifo branch but it needed some edits to build so I wasn't confident that it was the best version to be running
    Please let me know if you can recommend a beter version
    Thanks

    Can anyone confirm a good version of that

  3. #3
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    The firmware is work in progress, but I'd recommend the fifo-hang branch of the repo you're using (I've just begun testing it) The error you're seeing in the Domoticz log looks like one of the random errors we see with the firmware rather than device specific. To help understand exactly what messages your HCE80 is sending I suggest just capturing an hour or directly from the serial port (with something like Realterm) and I can can PM you my email if you're happy to share the info As I mentioned on the other thread I suspect the HCE80 only sends a combined heat demand message, but I'm not certain.

  4. #4
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    You can also try the fifo branch but from my repo and this compiles in Arduino for the NanoCUL.

    https://github.com/brucemiranda/evof...e/fifo?files=1

  5. #5
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    Do you know anyone who has a HGI80, because at the moment, we cannot tell if your NanoCUL isnt decoding the radio signals of the HCE80 or indeed the HCE80 radio messages arent being decoded correctly by the apps (Domoticz etc)

  6. #6
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    Just checked and Domoticz and it doesn't look like Domoticz has been updated to handle the array of devices that contain the Heat Demand for a 02: device. But I might be wrong, maybe Dan can confirm. It only decodes the single heat demand message.
    But the Heat Demand for the HCE80 also comes in as an array, unhelpfully on the same message id. See examples below.

    Code:
    2020-01-01T21:27:04.334524 090  I --- 02:001107   --:------ CTL:187666 3150 002 0072
    2020-01-01T23:08:47.060074 061  I --- 02:001107   --:------  02:001107 0008 002 FC00
    2020-01-02T08:18:20.237678 060  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-02T11:19:43.863979 089  I --- 02:001107   --:------ CTL:187666 3150 002 0062
    2020-01-02T11:19:43.927593 089  I --- 02:001107   --:------ CTL:187666 3150 002 0062
    2020-01-02T12:50:20.197217 053  I --- 02:001107   --:------ CTL:187666 3150 002 0052
    2020-01-02T13:20:36.114208 058  I --- 02:001107   --:------ CTL:187666 3150 002 0052
    2020-01-02T13:50:48.714324 087  I --- 02:001107   --:------ CTL:187666 3150 002 0052
    2020-01-02T13:54:39.487609 052  I --- 02:001107   --:------  02:001107 3150 002 FC52
    2020-01-02T14:36:53.057221 051  I --- 02:001107   --:------  02:001107 0008 002 FC00
    2020-01-03T11:24:25.960872 061  I --- 02:001107   --:------  02:001107 0008 002 FCC8
    2020-01-03T14:26:48.449696 090  I --- 02:001107   --:------  02:001107 3150 010 00220122022203220422
    2020-01-04T01:46:58.415665 061  I --- 02:001107   --:------  02:001107 0008 002 FA00
    2020-01-04T07:51:16.195646 050  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-04T07:51:16.892153 050  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-04T09:13:20.477036 085  I --- 02:001107   --:------  02:001107 0008 002 FA00
    2020-01-04T11:37:59.571607 091  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-04T20:54:05.996338 055  I --- 02:001107   --:------  02:001107 0008 002 FA00
    2020-01-05T07:29:41.155004 059  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-05T23:32:27.715739 053  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-06T03:37:40.068920 053  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-06T04:23:03.185378 090  I --- 02:001107   --:------ CTL:187666 3150 002 0000
    2020-01-06T04:55:37.817513 091  I --- 02:001107   --:------  02:001107 3150 002 FC00
    2020-01-06T08:20:56.264483 055  I --- 02:001107   --:------  02:001107 22C9 024 0006400A28010106400A28010206400A28010306400A2801
    2020-01-07T15:34:40.367564 088  I --- 02:001107   --:------ CTL:187666 3150 002 009C
    2020-01-07T18:52:39.123438 056  I --- 02:001107   --:------ CTL:187666 3150 002 0082
    2020-01-10T18:07:11.809677 076  I --- 02:001107   --:------  02:001107 3150 010 002201220222031E041E
    2020-01-10T18:52:10.971190 076  I --- 02:001107   --:------  02:001107 3150 010 004801480248033C043C
    2020-01-11T13:39:29.808793 092  I --- 02:001107   --:------  02:001107 22D0 004 00000002
    2020-01-11T14:29:08.553843 058  I --- 02:001107   --:------  02:001107 3150 002 FC56
    2020-01-11T19:42:03.315502 060  I --- 02:001107   --:------  02:001107 0008 002 FC00
    Those
    Code:
    3150 010
    messages are what you are missing.
    And should be decoded as 2020-01-03T14:26:48.449696 090 I --- 02:001107 --:------ 02:001107 3150 010 00-22 01-22 02-22 03-1E 04-1E

  7. #7
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    Excellent, thanks Bruce. I think we've got all the info we need and most importantly you've confirmed that there are per zone heat demand values. Unfortunately, as you've also highlighted the ability to decode these messages would need to be added to Domoticz and/or Evohome listener.

  8. #8
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    Now with Bruce's recommended radio firmware here's a serial port log captured overnight and this morning.
    What's the next useful thing I could do? More logs? How about trying to correlate 3150 messages with HCE80 zone lights?

    Apologies, couldn't figure out how to attach the log so here's what I could fit into the 10000 character limit

    050 RQ --- 01:062953 13:233522 --:------ 3EF0 001 00
    049 RQ --- 01:062953 13:233522 --:------ 3EF0 001 00
    050 RQ --- 01:062953 13:233522 --:------ 3EF0 001 00
    090 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C020756
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C02075F
    050 I --- 01:062953 --:------ 01:062953 3150 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 000A 018 001401F40DAC011401F40DAC021001F40DAC
    090 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C02075F
    050 I --- 01:062953 --:------ 01:062953 0008 002 FC00
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C020756
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    049 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C020756
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C020769
    089 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    090 I --- 13:233522 --:------ 13:233522 3EF0 003 00C8FF
    049 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C020760
    050 I --- 01:062953 --:------ 01:062953 3150 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C020775
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C020775
    091 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C02076C
    050 I --- 01:062953 --:------ 01:062953 0008 002 FC00
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601071C02076C
    067 I 016 03:125829 --:------ 03:125829 30C9 003 010708
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 000776010708020775
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601070802077F
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00077601070802077F
    050 I --- 01:062953 --:------ 01:062953 3150 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 000776010708020775
    090 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    090 I --- 13:233522 --:------ 13:233522 3EF0 003 00C8FF
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 000776010708020775
    074 I 014 03:255727 --:------ 03:255727 30C9 003 01076C
    050 I --- 01:062953 --:------ 01:062953 0008 002 FC00
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020775
    074 I 006 03:255727 --:------ 03:255727 2389 003 02FFEE
    074 I 000 03:255727 --:------ 03:255727 0002 004 03020105
    068 I 003 03:125829 --:------ 03:125829 2389 003 020046
    067 I 000 03:125829 --:------ 03:125829 0002 004 03020105
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C01070802078A
    050 RQ --- 01:062953 13:233522 --:------ 3EF0 001 00
    050 RQ --- 01:062953 13:233522 --:------ 3EF0 001 00
    050 RQ --- 01:062953 13:233522 --:------ 3EF0 001 00
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020780
    090 I --- 13:233522 --:------ 13:233522 3EF0 003 00C8FF
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020780
    050 I --- 01:062953 --:------ 01:062953 3150 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020780
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 000A 018 001401F40DAC011401F40DAC021001F40DAC
    090 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    090 I --- 13:233522 --:------ 13:233522 3EF0 003 00C8FF
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020789
    050 I --- 01:062953 --:------ 01:062953 0008 002 FC00
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020789
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020789
    090 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    090 I --- 13:233522 --:------ 13:233522 3EF0 003 00C8FF
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020780
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020793
    050 I --- 01:062953 --:------ 01:062953 3150 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020793
    090 I --- 13:233522 --:------ 13:233522 3B00 002 00C8
    050 I --- 01:062953 --:------ 01:062953 3B00 002 FCC8
    050 I --- 01:062953 --:------ 01:062953 1F09 003 FF0744
    050 I --- 01:062953 --:------ 01:062953 2309 009 00082201087A020834
    050 I --- 01:062953 --:------ 01:062953 30C9 009 00076C010708020793

  9. #9
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    Quote Originally Posted by DanD View Post
    Excellent, thanks Bruce. I think we've got all the info we need and most importantly you've confirmed that there are per zone heat demand values. Unfortunately, as you've also highlighted the ability to decode these messages would need to be added to Domoticz and/or Evohome listener.
    This should already be decoded in the evohome listener script. Are you not seeing it or have I missed something? I am getting zone by zone UFH demand from my HCC80R (02: device) via the listener script. Happy to help if you need any info.

  10. #10
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    We're really looking for those longer 3150 messages like Bruce listed, but I couldn't see any in your post. Smar's also confirmed that the listener code should work perfectly if the messages are present.

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