Official EVOK API

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  Curl works, Python http.client.request not fully
  • Maxiba  

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  Thank you for the answer! I am using the websocket API now, as this suits my requirements the most. Have a nice day!
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  Read 1wire temp sensor on Axon
  • netman  

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  installation of Evok on actual raspian fails
  • burnscm  

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  Hello @burnscm, thanks to you, we have discovered that the package unipi-kernel-modules v1.54 for Neuron has been incorrectly built. It is now fixed and new OpensourceOS image has been built. I recommend to download the said image (https://kb.unipi.technology/_media/files:software:os-images:neuron-opensource-os_image-20210105.0.zip) and do apt update && apt install -y evok. Thank you for understanding and have a nice day, Martin
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  "time"-value for Digital Input on unipi?
  • Lasse  

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  Hello @Lasse , this value is Unipi 1.1 specific and comes from pigpio subsystem tick value. From documentation: tick: the number of microseconds since system boot. It wraps around after 1h12m
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  Extension xG18 on a Neuron failed, missing xG18.yaml?
  • Stoeffel  

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  So. Now I solved the problem: After a sudo apt-get remove --purge evok && sudo apt-get update && sudo apt-get upgrade && sudo apt-get install evok and with this new configuration in the evok.conf I got it: [EXTENSION_1] global_id = 2 ; Mandatory, REQUIRED TO BE UNIQUE device_name = xG18 ; Mandatory modbus_uart_port = /dev/extcomm/0/0 ; Mandatory ;neuron_uart_circuit = 1_01 ; Optional allow_register_access = True ; Optional address = 1 ; Optional, scan_frequency = 10 ; Optional, scan_enabled = True ; Optional, ;baud_rate = 19200 ; Optional ;parity = N ; Optional, ;stop_bits = 1 ; Optional
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  Upgrading unipi-kernel-modules-dkms to 1.54 causes infinite reboot loop
  • Achilleas Kotsis  

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  Hello @Achilleas-Kotsis, I have tried to upgrade the system from a few older images (also with DKMS drivers) and this kind of behaviour did not occur. The issue seems to be coupled with the filesystem write operation and the following sync (should be invoked by umount command in the script). Moreover, the .inc file should be updated formerly within the upgrade process (as the step of unipi-common package postinst script). Can you retry the whole process with a new uSD card? This kind of problems sometimes occurs on corrupted cards as the write operation is not fully synced in fact.
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  Where is the modbus register map for Unipi 1.1 ?
  • Kermit  

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  You take any cheap 20$ China Raspberry hat and there is a 2-Page manual (in bad english) that gets you up toggling your inputs and outputs in like 20 minutes. I have now been digging for at least a solid 5 to 8 hours in the unorganized pile of stuff available here. Best I have found out now is Unipi 1.1 is outdated and abondoned. Existing docs do not mention all the things that are unimplemented. I will now just throw away the board and not sink any more time in it.
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  Indoor Air Quality (IAQ) sensor modbus connection not working
  • Balardo  

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  Hello @Balardo, you are right - there was a bug in schema validation for /json/all endpoint. It should be fixed in the next release. According to the direct Modbus unit register access - you can use e.g. http://<your IP>/json/unit_register/UART_15_2_42 to get the ambient_light register: {"status": "success", "data": {"name": "ambient_light", "value": 122.51519775390625, "glob_dev_id": 2, "dev": "unit_register", "circuit": "UART_15_2_42", "unit": "lux"}} Register values has been also added to the web control panel: You can test it by install the test version: sudo su apt update && apt install evok=2.3.3.test.20200923165635*
• J

  filter websocket input in order to get all devices except temp
  • juntiedt  

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  one important thing at the end: as soon as you apply a filter the received msg.payload from websocket comes in an array. this means: before the applied filter you could your device with msg.payload.dev with applied filter you must read the device as msg.payload[0].dev !!!
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  Extension xG18 on unipi 1.1
  • juntiedt  

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  Hello @juntiedt, the Unipi 1.1 doesn't have RS485 interface, so you need to use some RS485/USB converter. The latest Evok has support for xG18, you just need to set it in the /etc/evok.conf as a normal Unipi Extension.
• K

  alias in evok
  • ktanghe  

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  Hello @ktanghe, unfortunately, on the UniPi 1.1 series (including Lite version) this feature is not supported now. We will consider adding the feature in the next version of Evok. You should prefer a user-naming (aliasing, labelling...) of selected I/Os in the upper-layer software instead of the API tool.
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  nginx not running
  • juntiedt  

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  Hi Martin, thanks for your help and support. All running again! regards Hannes
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  unipi-kernel-modules-dkms does not generate modules on upgrade
  • Achilleas Kotsis  

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  Thank you
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  List Modbus queue on AXON
  • BeerGeek  

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  Hello @beergeek, yes it is. Start the debugging mode, switch the bottom panel to "Port monitor", select the channel you want and press "play". You will see the Modbus requests and (hopefully) some responses:
• J

  unipi 1.1, Raspberry Pi 4, buster, evok, node-red
  • juntiedt  

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  Node-Red on Raspi 4 works perfect - no problems at all
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  Build-In 1Wire does not work!
  • knebb2  

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  one wire reconnect failed after aprox. one week
  • juntiedt  

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  Latest Update: Issues with unipi_tcp_server and unipispi
  • knebb2  

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  Hi, I fixed it by apt install neuron-kernel It uninstalled dmks modules- I am unsure if this is a proper solution. At least it seems to work now. Greetings /KNEBB
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  load average over 1
  • Christian  

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  Hi @Martin-Kudláček , Sorry to wake this one up again. But i hope you can reassure me a little bit more. This high load kind of freaks me out, so i would really like to put a finger on whats happening I have a lot of Neurons running (at least 15+) with very low load averages, always under 0,10 I also have a lot of (newer) Neurons running (some 20+) with very high load averages, like @cristian mentioned, way above 1,20 I haven't got influxdb running on those, and i'm not doing weird things as far as i know. The only obvious difference I can find is that in the low-load unipi's ther's still the old drivers called NEURONSPI, and in the high-load unipi's they are called UNIPISPI. I'm not sure this is the culprit, but it seems that the OS version is not really an issue I have Debian stretch on the older ones, with low load, but i have also stretch installs that show the high load. All unipi's with Buster have the high load for sure, but they're all UNIPISPI according to dmesg Is there anything you are aware of that justifies the load difference between UNIPISPI and NEURONSPI? Or do i have to look further... Or should i really not worry about this? Most of these unipi's are in production environments long drives away, so if there's something to be fixed i would try to get that done before they break... Thanks a lot, Tony, Fireware Netherlands )
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  EVOK.conf
  • cvrcejir  

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  Hello @cvrcejir, this item is associated with a Modbus extension. The extension can contain "emulated" UART-Over-Modbus port with this index. However, there is no such kind of extension currently available and therefore this value has no meaning now.