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laurenceh avatar image
laurenceh asked

Unable to connect using Bluetooth dongle on Venus Rpi 2.42 - VC 5.18

When I try to connect to my Venus Rpi device I get stuck in a pairing loop with continual requests to enter the pairing PIN. I believe the default is 000000

I am posting this in modification as I am working on a Venus Rpi. My goal is to get the native Rpi Bluetooth working as I know this is something that Victron are interested in the community looking into. I wanted to get the 'known working' USB bluetooth working first. I also have a working Ubuntu Mate Bluetooth installation working on a second Rpi so once working I should be able to compare the two and try to get native Bluetooth working on the Venus Rpi.

I have acquainted myself with the bluetooth tools available in the Venus Os installation.

I have plugged in a USB bluetooth device and enabled bluetooth which then appears in the services menu and restarted the device.

I can see my device in VC via Ethernet and Bluetooth like this.


Connecting via ethernet is working fine, but connection via Bluetooth is failing to pair. Here is the screen asking for the PIN. This loops two or three times and then exist with advice to check the obvious things.


While I am doing this the following messages appear in var/log/messages.

Jan 26 08:06:13 raspberrypi2 daemon.warn bluetoothd[593]: No cache for 46:57:4A:86:65:12
Jan 26 08:06:14 raspberrypi2 auth.notice dbus[582]: [system] Rejected send message, 2 matched rules; type="method_return", sender=":1.56" (uid=0 pid=1135 comm="/usr/bin/python2 -u /opt/victronenergy/vesmart-ser") interface="(unset)" member="(unset)" error name="(unset)" reque
Jan 26 08:05:37 raspberrypi2 daemon.info dnsmasq[598]: started, version 2.78 cachesize 150
Jan 26 08:06:16 raspberrypi2 daemon.warn dnsmasq[598]: overflow: 3 log entries lost
Jan 26 08:06:23 raspberrypi2 auth.notice dbus[582]: [system] Rejected send message, 2 matched rules; type="method_return", sender=":1.56" (uid=0 pid=1135 comm="/usr/bin/python2 -u /opt/victronenergy/vesmart-ser") interface="(unset)" member="(unset)" error name="(unset)" reque


I have googled or an answer but don't seem to be able to find anything

I don't recognise the Mac address from the hciconfig response but the messages only happen when I try to connect by bluetooth. Also here is the output from hciconfig -a

root@raspberrypi2:/var/log# hciconfig -a
hci0:    Type: Primary  Bus: USB
    BD Address: 00:1A:7D:DA:71:13  ACL MTU: 310:10  SCO MTU: 64:8
    UP RUNNING 
    RX bytes:4563 acl:139 sco:0 events:259 errors:0
    TX bytes:4778 acl:131 sco:0 commands:120 errors:0
    Features: 0xff 0xff 0x8f 0xfe 0xdb 0xff 0x5b 0x87
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
    Link policy: RSWITCH HOLD SNIFF PARK 
    Link mode: SLAVE ACCEPT 
    Name: 'Raspberry Pi 3 Model B Plus Rev 1.3 HQ0000AAAAA'
    Class: 0x000000
    Service Classes: Unspecified
    Device Class: Miscellaneous, 
    HCI Version: 4.0 (0x6)  Revision: 0x22bb
    LMP Version: 4.0 (0x6)  Subversion: 0x22bb
    Manufacturer: Cambridge Silicon Radio (10)

If I try to use bluetoothctl with Bluetooth enabled on the console I get an error. Which is cleard when I toggle the Bluetooth state on the remote console.

root@raspberrypi2:~# bluetoothctl
Agent registered
[bluetooth]# power on
Changing power on succeeded
[bluetooth]# scan on
Failed to start discovery: org.bluez.Error.InProgress

<-----------Bluetooth disabled on console here ----->
[NEW] Device 46:57:4A:86:65:12 46-57-4A-86-65-12
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 SupportedInstances: 0x05
[CHG] Controller 00:1A:7D:DA:71:13 ActiveInstances: 0x00
[CHG] Controller 00:1A:7D:DA:71:13 DiscoverableTimeout: 0x00000000
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 68c10001-b17f-4d3a-a290-34ad6499937c
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 306b0001-b081-4037-83dc-e59fcc3cdfd0
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 97580001-ddf1-48be-b73e-182664615d8e
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 68c10001-b17f-4d3a-a290-34ad6499937c
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 306b0001-b081-4037-83dc-e59fcc3cdfd0
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 97580001-ddf1-48be-b73e-182664615d8e
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 SupportedInstances: 0x04
[CHG] Controller 00:1A:7D:DA:71:13 ActiveInstances: 0x01
[bluetooth]# exit
root@raspberrypi2:~# 

The log in bluetoothctl is active while the pairing attempts are made - here is a sample from that log:

<----- bluetooth enabled on console ---->
[CHG] Controller 00:1A:7D:DA:71:13 DiscoverableTimeout: 0x00000000
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 68c10001-b17f-4d3a-a290-34ad6499937c
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 306b0001-b081-4037-83dc-e59fcc3cdfd0
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 97580001-ddf1-48be-b73e-182664615d8e
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 68c10001-b17f-4d3a-a290-34ad6499937c
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 306b0001-b081-4037-83dc-e59fcc3cdfd0
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 97580001-ddf1-48be-b73e-182664615d8e
[CHG] Controller 00:1A:7D:DA:71:13 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Controller 00:1A:7D:DA:71:13 SupportedInstances: 0x04
[CHG] Controller 00:1A:7D:DA:71:13 ActiveInstances: 0x01
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -82
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Key: 0x004c
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Value:
  0c 0e 00 8c 60 02 cf f9 7b d6 1e 7b 59 b3 1e 56  ....`...{..{Y..V
  10 06 5b 1e a2 5f e7 6a                          ..[.._.j        
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -68
[CHG] Device 53:25:24:46:B2:A9 RSSI: -57
[CHG] Device 53:25:24:46:B2:A9 RSSI: -71
[CHG] Device 53:25:24:46:B2:A9 RSSI: -59
[CHG] Device 53:25:24:46:B2:A9 RSSI: -72
[CHG] Device 53:25:24:46:B2:A9 RSSI: -60
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Key: 0x004c
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Value:
  0c 0e 00 8d 60 b3 0a 48 18 f4 d1 e4 10 93 fd 12  ....`..H........
  10 06 5b 1e a2 5f e7 6a                          ..[.._.j        
[CHG] Device 53:25:24:46:B2:A9 RSSI: -70
[CHG] Device 53:25:24:46:B2:A9 RSSI: -60
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -77
[CHG] Device 53:25:24:46:B2:A9 RSSI: -68
[CHG] Device 53:25:24:46:B2:A9 RSSI: -57
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Key: 0x004c
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Value:
  0c 0e 00 8e 60 d4 5e be 5c 30 0c 16 d9 8a b7 95  ....`.^.\0......
  10 06 5b 1e a2 5f e7 6a                          ..[.._.j        
[CHG] Device 53:25:24:46:B2:A9 RSSI: -67
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -66
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Key: 0x004c
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Value:
  0c 0e 00 8f 60 fd 4e 28 3c 92 48 94 54 71 5d 2a  ....`.N(<.H.Tq]*
  10 06 5b 1e a2 5f e7 6a                          ..[.._.j        
[CHG] Device 53:25:24:46:B2:A9 RSSI: -84
[CHG] Device 53:25:24:46:B2:A9 RSSI: -74
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Key: 0x004c
[CHG] Device 53:25:24:46:B2:A9 ManufacturerData Value:
  10 06 5b 1e a2 5f e7 6a                          ..[.._.j        
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -79
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -67
[CHG] Device 53:25:24:46:B2:A9 RSSI: -65
[CHG] Device 53:25:24:46:B2:A9 RSSI: -78

<------ Pairing attempts start here ---->
[CHG] Device 53:25:24:46:B2:A9 Connected: yes
[CHG] Controller 00:1A:7D:DA:71:13 Discoverable: no
[CHG] Device 53:25:24:46:B2:A9 RSSI: -62
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -77
[NEW] Device 48:F6:E0:5E:48:F3 48-F6-E0-5E-48-F3
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -86
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -64
[CHG] Device 61:25:C6:44:01:79 RSSI: -87
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -85
[CHG] Device 53:25:24:46:B2:A9 Connected: no
[DEL] Device 53:25:24:46:B2:A9 53-25-24-46-B2-A9
[CHG] Controller 00:1A:7D:DA:71:13 Discoverable: yes
[CHG] Device 48:F6:E0:5E:48:F3 Connected: yes
[CHG] Controller 00:1A:7D:DA:71:13 Discoverable: no
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -67
[NEW] Device 4A:B5:EB:3C:8D:42 4A-B5-EB-3C-8D-42
[CHG] Device 61:25:C6:44:01:79 RSSI: -77
[CHG] Device 48:F6:E0:5E:48:F3 RSSI: -74
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -76
[CHG] Device 48:F6:E0:5E:48:F3 RSSI: -83
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -65
[CHG] Device 48:F6:E0:5E:48:F3 Connected: no
[DEL] Device 48:F6:E0:5E:48:F3 48-F6-E0-5E-48-F3
[CHG] Controller 00:1A:7D:DA:71:13 Discoverable: yes
[NEW] Device 48:F6:E0:5E:48:F3 48-F6-E0-5E-48-F3
[CHG] Device 48:F6:E0:5E:48:F3 Connected: yes
[CHG] Controller 00:1A:7D:DA:71:13 Discoverable: no
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -77
[CHG] Device 48:F6:E0:5E:48:F3 RSSI: -81
[CHG] Device 48:F6:E0:5E:48:F3 RSSI: -69
[CHG] Device 48:F6:E0:5E:48:F3 Connected: no
[DEL] Device 48:F6:E0:5E:48:F3 48-F6-E0-5E-48-F3
[CHG] Controller 00:1A:7D:DA:71:13 Discoverable: yes
[NEW] Device 48:F6:E0:5E:48:F3 48-F6-E0-5E-48-F3
[CHG] Controller 00:1A:7D:DA:71:13 Discoverable: no
[CHG] Device 48:F6:E0:5E:48:F3 RSSI: -80
[CHG] Device 77:19:F7:3A:FA:6A RSSI: -66
[CHG] Device 48:F6:E0:5E:48:F3 RSSI: -72

Any ideas what is going wrong or more importantly how to fix it?







Venus GX - VGXRaspberry PiBluetooth
screenshot-2020-02-16-at-222411.png (190.2 KiB)
screenshot-2020-02-16-at-222329.png (415.6 KiB)
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2 Answers
Stefanie (Victron Energy Staff) avatar image
Stefanie (Victron Energy Staff) answered ·

I've been struggling with this too yesterday, but found a fix which works for my environment (RPi 3+ B, Asus BT400, Venus OS 2.42 (also 2.50~2-signalk-1 and 2.60~4).
The problem was that the default pin "000000" did not work.

After some googling I came around this, using bluetoothctl:

root@raspberrypi2:~# bluetoothctl
[bluetooth]# power on
Changing power on succeeded
[bluetooth]# discoverable on
Changing discoverable on succeeded
[bluetooth]# pairable on
Changing pairable on succeeded
[bluetooth]# agent NoInputNoOutput
Agent is already registered
[bluetooth]# default-agent
Default agent request successful

In the bluetoothctl console output you should now be able to read the pairing code, when trying to pair with VC. That worked for my iPhone. However, the same pin did not work on my MBP, thus had to do the whole procedure again, giving me a new pairing code for the MacBook.
Once paired, settings survive a Venus OS firmware update.

What does not work: changing the pairing code within VC and as said, it's ignoring the pairing code which is set in Venus OS/Bluetooth menu.

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laurenceh avatar image laurenceh commented ·

Stefanie

Thanks - worked like a charm. Now all we need to do is make sure it works all the time - perhaps with some python code round it to properly display the passcode so that it can be done without command line access, and pass the results back to Victron for them to work into a release.

Ah and also get the native Rpi Bluetooth working - have you managed that?

The one other strange observation I have on my iPhone is that after pairing I lose the wi-fi connection to the Venus Rpi and have to uninstall and reinstall the Victron connect before I can see the Venus Rpi again as a network connection. do you see the same?

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rk31 avatar image
rk31 answered ·

For those who got connected, have you been able to read any data? Given there's no docs on the BLE interface... I am connected but would be nice to be able to read the stats.

I'm not finding any luck with the MPPT controller data from here https://github.com/Olen/VictronConnect

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rk31 avatar image rk31 commented ·

No. Connected fine, I can connect and pair fine... But the only readable data was

[LE]> char-read-hnd 0x0003
Characteristic value/descriptor: 53 6d 61 72 74 53 6f 6c 61 72 20 48 51 32 30 30 31 42 55 4d 59 53
which equals =
SmartSolar HQ2001BUMYS

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