No response in homekit #16

dariusrosendahl · 2020-10-24T17:09:49Z

Hi there,

First of all, thank you for creating this plugin!

The plugin worked fine for a few weeks. Had some problems and got new wifi (TP-Link M9 mesh router) so I decided to do a complete reinstall of the raspberry pi.

Homebridge can find it but the Home app just keeps saying "No Response".

I tried:

Restarting homebridge
Resetting the blinds to factory default
Turning off bluetooth on phone
Setting "hap_interaction_timeout":"0"

I turned on debug mode, this are all the entries the plugin gives me, can you help me where to look?

[10/24/2020, 6:58:49 PM] [am43-blinds] Stopped searching for AM43 Blinds, found 0 devices
[10/24/2020, 6:59:10 PM] [am43-blinds] Started scanning for AM43 blinds, stopping in 5 seconds
[10/24/2020, 6:59:10 PM] [am43-blinds] Started scan for missing devices
[10/24/2020, 6:59:11 PM] [am43-blinds] Found known AM43 Motor: 02:bb:95:80:85:d8 (02:bb:95:80:85:d8)
[10/24/2020, 6:59:15 PM] [am43-blinds] Stopped searching for AM43 Blinds, found 1 devices
[10/24/2020, 6:59:16 PM] [am43-blinds] Requesting position update
[10/24/2020, 6:59:16 PM] [am43-blinds] Reporting position: 100
[10/24/2020, 6:59:16 PM] [am43-blinds] Reporting target position: 100
[10/24/2020, 6:59:16 PM] [am43-blinds] Reporting direction: 2

And my config:

{
  "platform": "am43-blinds",
  "allowed_devices": [
    "02:bb:95:80:85:d8"
  ]
},

Screenshot of home app:

Would really love to get this plugin to work so I can buy 5 more of these devices 😇

The text was updated successfully, but these errors were encountered:

renssies · 2020-10-24T17:15:39Z

Do you have more devices on the same instance of Homebridge, and do those work?

dariusrosendahl · 2020-10-24T18:02:55Z

Yes, all devices work perfectly except the blinds.

renssies · 2020-10-24T18:18:22Z

I'm not sure if you noticed but the plugin was updated just earlier today, so please update it and try running homebridge with -D so homebridge -D as the command. That should add a lot more debug messages to the log.

dariusrosendahl · 2020-10-24T19:29:54Z

Ah great.

New output:

[10/24/2020, 9:27:00 PM] [am43-blinds] Stopped searching for AM43 Blinds, found 1 devices
2020-10-24T19:27:02.142Z AM43 02:bb:95:80:85:d8 (02:bb:95:80:85:d8): Device connected: 02bb958085d8
2020-10-24T19:27:02.223Z AM43 02:bb:95:80:85:d8 (02:bb:95:80:85:d8): Device disconnected: 02bb958085d8

Apparently it automatically disconnects... when I press a button (both in the Home app or in the homebridge UI) the same thing:

2020-10-24T19:29:13.357Z AM43 02:bb:95:80:85:d8 (02:bb:95:80:85:d8): Device connected: 02bb958085d8
2020-10-24T19:29:13.402Z AM43 02:bb:95:80:85:d8 (02:bb:95:80:85:d8): Device disconnected: 02bb958085d8

Also, the device is always open according to Homebridge UI. Even though it's closed now.

dariusrosendahl · 2020-10-24T19:37:56Z

Oh, I suddenly get the following error, it's weird because it's saying it's coming from the Sonos ZP plugin but it reads the error in the homebridge-am43-blinds folder:

[10/24/2020, 9:35:55 PM] [ZP] error: TypeError: Cannot read property 'writeAsync' of null
    at AM43Device.sendCommandAsync (/usr/lib/node_modules/homebridge-am43-blinds/lib/AM43Device.js:343:44)
    at AM43Device.updatePositionAsync (/usr/lib/node_modules/homebridge-am43-blinds/lib/AM43Device.js:299:16)
    at AM43Device.prepareAsync (/usr/lib/node_modules/homebridge-am43-blinds/lib/AM43Device.js:204:16)
    at Noble.<anonymous> (/usr/lib/node_modules/homebridge-am43-blinds/lib/AM43Platform.js:136:16)
    at runNextTicks (internal/process/task_queues.js:62:5)
    at processTimers (internal/timers.js:494:9)

Also, when I start up the server I see another error before the device connected disconnected:

[10/24/2020, 9:41:01 PM] [Config] [HapClient] [192.168.68.106:51166 (0E:93:9B:15:16:B6)] Failed to set value for AM43 Blind Motor.
[10/24/2020, 9:41:01 PM] [Config] [HapClient] [192.168.68.106:51166 (0E:93:9B:15:16:B6)] Failed to set value for AM43 Blind Motor.
[10/24/2020, 9:41:01 PM] [Config] [HapClient] [192.168.68.106:51166 (0E:93:9B:15:16:B6)] Failed to set value for AM43 Blind Motor.
[10/24/2020, 9:41:01 PM] [Config] [HapClient] [192.168.68.106:51166 (0E:93:9B:15:16:B6)] Failed to set value for AM43 Blind Motor.
[10/24/2020, 9:41:01 PM] [Config] [HapClient] [192.168.68.106:51166 (0E:93:9B:15:16:B6)] Failed to set value for AM43 Blind Motor.

renssies · 2020-10-24T19:47:47Z

Looks like you are experiencing the same issue as #7 and #8. The bad part is that I'm unable to reproduce that bug myself and we have yet to find the cause (and a solution).

It can occur when the motor is still connected to the blind engine app, but since you turned off Bluetooth I feel that's not the issue.

Do you use any other Bluetooth HomeKit or Homebridge accessories?

dariusrosendahl · 2020-10-24T19:55:08Z

Hmm..that's a shame.
I thought it might be because of https://www.npmjs.com/package/homebridge-zp since it referenced the error there. Unfortunately, no luck. My other plugins are the following, but I don't believe any of them are using bluetooth:

For the sake of testing I removed the native 'blinds engine` app. Didn't do anything... I don't think that's it.

Also tried sudo setcap cap_net_raw+eip $(eval readlink -f $(which node)) without any luck.

dariusrosendahl · 2020-10-24T20:09:33Z

Maybe it's because me and #7 and #8 are on a RBP4? Which would still be weird since it used to work great...

renssies · 2020-10-24T20:10:14Z

Since you are a bit of a web developer. Do you mind to attempt to change a line in the plugin on your machine? You will need to find the plugin in the global modules folder on your machine, this depends on how you've installed node and NPM.

The line is 319 in AM43Device.js. Change it from this

if (!this.isConnected) {

To this

if (!this.isConnected || this.blindsControlCharacteristic == null) {

That should rediscover the blindsControlCharacteristic if it's unavailable before trying to write it.

renssies · 2020-10-24T20:13:37Z

Also, I saw you added that you tried to do sudo setcap cap_net_raw+eip $(eval readlink -f $(which node)). Did that generate an error? When done successfully it shouldn't show anything.

dariusrosendahl · 2020-10-24T20:19:40Z

Also, I saw you added that you tried to do sudo setcap cap_net_raw+eip $(eval readlink -f $(which node)). Did that generate an error? When done successfully it shouldn't show anything.

No, the errors (in homebridge logs) were before I tried that. Setting the permissions seems to be working fine and doesn't give any response.

dariusrosendahl · 2020-10-24T20:28:55Z

Since you are a bit of a web developer. Do you mind to attempt to change a line in the plugin on your machine? You will need to find the plugin in the global modules folder on your machine, this depends on how you've installed node and NPM.

Just bit haha. I work everyday in Typescript/Javascript but making Homebridge plugins or working with Bluetooth is new to me.

The line is 319 in AM43Device.js. Change it from this
if (!this.isConnected) {
To this
if (!this.isConnected || this.blindsControlCharacteristic == null) {
That should rediscover the blindsControlCharacteristic if it's unavailable before trying to write it.

I changed the line. Right now it's been scanning for 2 minutes for devices...seems it can't find any now:

[10/24/2020, 10:26:33 PM] [am43-blinds] Started scanning for AM43 blinds, stopping in 5 seconds
[10/24/2020, 10:26:38 PM] [am43-blinds] Stopped searching for AM43 Blinds, found 0 devices

Those 2 lines keep repeating.

Ah the error I was talking about is when shutting down homebridge. Doesn't seem to be related:

[10/24/2020, 10:25:42 PM] [am43-blinds] Homebridge is shutting down, disconnecting AM43 motors and saving state
[10/24/2020, 10:25:42 PM] [Config] [HapClient] [192.168.68.106:51166 (0E:93:9B:15:16:B6)] Failed to set value for AM43 Blind Motor.
[10/24/2020, 10:25:42 PM] [Config] [HapClient] [192.168.68.106:51166 (0E:93:9B:15:16:B6)] Failed to set value for AM43 Blind Motor.

UPDATE Seems to find it after clicking on open/close blinds in the accessoires tab. Then it disconnects again:

[10/24/2020, 10:33:07 PM] [am43-blinds] Found known AM43 Motor: 02:bb:95:80:85:d8 (02:bb:95:80:85:d8)
[10/24/2020, 10:33:08 PM] [am43-blinds] Stopped searching for AM43 Blinds, found 1 devices
2020-10-24T20:33:17.200Z AM43 02:bb:95:80:85:d8 (02:bb:95:80:85:d8): Device connected: 02bb958085d8
2020-10-24T20:33:17.233Z AM43 02:bb:95:80:85:d8 (02:bb:95:80:85:d8): Device disconnected: 02bb958085d8

renssies · 2020-10-24T20:37:16Z

UPDATE Seems to find it after clicking on open/close blinds in the accessoires tab. Then it disconnects again:

Hmm, just to check, you still have "hap_interaction_timeout":"0" in the config?

dariusrosendahl · 2020-10-24T20:38:54Z

I actually had it as a number, not a string.I tried to be creative apparently :P

Changing it didn't make a difference though.

renssies · 2020-10-24T20:43:59Z

Hmm, then the motor is getting disconnected by something outside the plugin, and I have no idea what. Maybe it could be a range issue? Try moving the motor closer to the Pi.

Btw. a string should still have been parsed to a number :)

dariusrosendahl · 2020-10-24T20:54:40Z

Btw. a string should still have been parsed to a number :)

TIL ... :)

Hmm, then the motor is getting disconnected by something outside the plugin, and I have no idea what. Maybe it could be a range issue? Try moving the motor closer to the Pi.

Ok....apparently it's range.... when setting it next to the Pi it works right away. Setting it 4 meters further it stops working. My kitchen is 8 meters away (no walls). Why did it work a few weeks/months ago though .... It's not like you switched to another bluetooth library or something right?

renssies · 2020-10-24T20:57:56Z

It could be that a Pi firmware update reduced the power of the Bluetooth. Have a look online to see if people have similar issues.

If that still doesn't work you could try an external Bluetooth adapter (that is compatible with Pi). ~~The Noble library should automatically switch to an external Bluetooth adapter~~

Correction: On Linux (including the Raspberry Pi) you have to manually switch the device: https://github.com/abandonware/noble#multiple-adapters-linux-specific

dariusrosendahl · 2020-10-24T21:12:00Z

It could be that a Pi firmware update reduced the power of the Bluetooth. Have a look online to see if people have similar issues.

If that still doesn't work you could try an external Bluetooth adapter (that is compatible with Pi). ~~The Noble library should automatically switch to an external Bluetooth adapter~~

Correction: On Linux (including the Raspberry Pi) you have to manually switch the device: https://github.com/abandonware/noble#multiple-adapters-linux-specific

Thanks, I ordered the only one they have on CoolBlue so should be able to try it tomorrow :)

Really hope it works though. Could really see the connection improvement by setting it 1-2 meters away from the Pi. Would be nice to have a pair of automated blinds upstairs in the bedroom too.

Also, what's still weird is that the plugin says it's connected and then disconnected. The native app just keeps loading. Perhaps you could build in some sort of check of you get more then just the name to make sure there aren't more issues like this popping up?

dariusrosendahl · 2020-10-25T17:54:55Z

Update. It works! Thank you! I bought this one, but I'm sure any 4.0 dongle will work: https://www.coolblue.nl/product/236284/trust-bluetooth-4-0-usb-adapter.html

It's easier then the link you provided. Steps for the next person:

sudo geany /boot/config.txt
Add dtoverlay=disable-bt to the bottom.
Plug your dongle in
Restart the Pi
🎉 Tada

renssies · 2020-10-25T18:47:01Z

Nice, I will add that to the troubleshooting section!

gielk · 2021-01-15T13:56:14Z

Update. It works! Thank you! I bought this one, but I'm sure any 4.0 dongle will work: https://www.coolblue.nl/product/236284/trust-bluetooth-4-0-usb-adapter.html

It's easier then the link you provided. Steps for the next person:

sudo geany /boot/config.txt

Add dtoverlay=disable-bt to the bottom.

Plug your dongle in

Restart the Pi

🎉 Tada

This has solved all the problems for me. I now have a stable connection with the curtains and the curtains that were further away now work fine. Previously I sometimes had to restart homebridge during startup because it was not connected to one of the curtains. This has now been resolved. After this change, they now also work faster.

I bought another through AliExpress Baseus Usb Bluetooth Adapter Dongle here is the link
€3,19
https://nl.aliexpress.com/item/32952692648.html

dariusrosendahl mentioned this issue Oct 25, 2020

Was working perfect but now I am getting the following error #8

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renssies closed this as completed Nov 17, 2020

dariusrosendahl mentioned this issue Nov 18, 2020

Immediate disconnection on connection to motor #20

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No response in homekit #16

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No response in homekit #16

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