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| # EDIT - 01 Dec 2023 - Works without the below in Ubuntnu 22.04 | |
| $ lsusb | |
| Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub | |
| Bus 001 Device 040: ID 0a5c:21e8 Broadcom Corp. BCM20702A0 Bluetooth 4.0 | |
| Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub | |
| Bus 001 Device 044: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) | |
| Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub | |
| # get the pre-compiled driver | |
| $ wget https://github.com/Realtek-OpenSource/android_hardware_realtek/raw/rtk1395/bt/rtkbt/Firmware/BT/rtl8761b_fw | |
| $ sudo cp rtl8761b_fw /lib/firmware/rtl_bt/rtl8761b_fw.bin | |
| # unplug and replug the device back in | |
| # check dmesg | |
| [Wed Jan 27 21:16:23 2021] usb 1-1: new full-speed USB device number 44 using xhci_hcd | |
| [Wed Jan 27 21:16:23 2021] usb 1-1: New USB device found, idVendor=0a12, idProduct=0001, bcdDevice=88.91 | |
| [Wed Jan 27 21:16:23 2021] usb 1-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0 | |
| [Wed Jan 27 21:16:23 2021] usb 1-1: Product: USB1.1-A | |
| [Wed Jan 27 21:16:23 2021] Bluetooth: hci1: CSR: Unbranded CSR clone detected; adding workarounds... | |
| # check config | |
| $ hciconfig | |
| hci1: Type: Primary Bus: USB | |
| BD Address: 00:1A:7D:DA:71:11 ACL MTU: 679:9 SCO MTU: 48:16 | |
| DOWN | |
| RX bytes:642 acl:0 sco:0 events:41 errors:0 | |
| TX bytes:2130 acl:0 sco:0 commands:41 errors:0 | |
| # check rfkill | |
| $ sudo rfkill | |
| ID TYPE DEVICE SOFT HARD | |
| 1 wlan phy0 unblocked unblocked | |
| 186 bluetooth hci0 unblocked unblocked | |
| 189 bluetooth hci1 blocked unblocked | |
| # unblock | |
| $ sudo rfkill unblock 189 | |
| # check | |
| $ sudo rfkill | |
| ID TYPE DEVICE SOFT HARD | |
| 1 wlan phy0 unblocked unblocked | |
| 186 bluetooth hci0 unblocked unblocked | |
| 189 bluetooth hci1 unblocked unblocked | |
| # do a scan | |
| $ sudo hcitool -i hci1 lescan | |
| LE Scan ... | |
| 71:5F:E7:16:56:22 (unknown) | |
| 71:5F:E7:16:56:22 (unknown) | |
does not work :(
sudo hcitool -i hci0 lescan i got "invalid device: Network is down.
Friend thank you.
it worked, perfect!
does not work :(
sudo hcitool -i hci0 lescan i got "invalid device: Network is down.
same problem with me
Hi,
Has this issue been resolved?
Nah ... Still same problem 😐😐
Hi, Has this issue been resolved?
Nope :( Same "Invalid device: Network is down" problem at "sudo hcitool -i hci0 lescan"
Still same ... Nothing changed
Folks, I don't own the rtl8761b_fw code, what you have here are my notes on how i got something working 2 years ago.
I'm not working on BLE anymore, so i don't envision i'll try and resolve this myself.
Folks, I don't own the
rtl8761b_fwcode, what you have here are my notes on how i got something working 2 years ago. I'm not working on BLE anymore, so i don't envision i'll try and resolve this myself.
Bro ❤️
Is there any other dongle to use Bluetooth in Ubuntu?
Any other version of the dongle.
does not work :( sudo hcitool -i hci0 lescan i got "invalid device: Network is down.
with "sudo hciconfig hci1 up" fixed for me
yup, that probably means you have more than one Bluetooth device in your system
yup, that probably means you have more than one Bluetooth device in your system
No, I only have one device
does not work :( sudo hcitool -i hci0 lescan i got "invalid device: Network is down.
with "sudo hciconfig hci1 up" fixed for me
this causes Can't init device hci0: Broken pipe (32) for me
does not work :( sudo hcitool -i hci0 lescan i got "invalid device: Network is down.
with "sudo hciconfig hci1 up" fixed for me
this causes
Can't init device hci0: Broken pipe (32)for me
me too
hciconfig
hci0: Type: Primary Bus: USB
BD Address: 00:00:00:00:00:00 ACL MTU: 0:0 SCO MTU: 0:0
DOWN
RX bytes:14 acl:0 sco:0 events:1 errors:0
TX bytes:3 acl:0 sco:0 commands:2 errors:1
and this
sudo hciconfig hci0 up
Can't init device hci0: Broken pipe (32)
same is here
Folks,
This works out of the box in Ubuntu 22.04 so the above is not needed anymore.
os
$ head -n1 /etc/os-release
PRETTY_NAME="Ubuntu 22.04.3 LTS"
lsusb
$ lsusb | grep Blue
Bus 003 Device 005: ID 105b:e065 Foxconn International, Inc. BCM43142A0 Bluetooth module
Bus 003 Device 026: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) <------- this one!
dmesg
[Fri Dec 1 20:01:22 2023] usb 3-1: new full-speed USB device number 26 using xhci_hcd
[Fri Dec 1 20:01:22 2023] usb 3-1: New USB device found, idVendor=0a12, idProduct=0001, bcdDevice=88.91
[Fri Dec 1 20:01:22 2023] usb 3-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[Fri Dec 1 20:01:22 2023] usb 3-1: Product: USB1.1-A
[Fri Dec 1 20:01:22 2023] Bluetooth: hci1: CSR: Setting up dongle with HCI ver=9 rev=0810
[Fri Dec 1 20:01:22 2023] Bluetooth: hci1: LMP ver=9 subver=2312; manufacturer=10
[Fri Dec 1 20:01:22 2023] Bluetooth: hci1: CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once...
[Fri Dec 1 20:01:23 2023] Bluetooth: hci1: HCI Delete Stored Link Key command is advertised, but not supported.
[Fri Dec 1 20:01:23 2023] Bluetooth: hci1: HCI Read Default Erroneous Data Reporting command is advertised, but not supported.
[Fri Dec 1 20:01:23 2023] Bluetooth: hci1: HCI Set Event Filter command not supported.
[Fri Dec 1 20:01:23 2023] Bluetooth: MGMT ver 1.22
[Fri Dec 1 20:01:23 2023] NET: Registered PF_ALG protocol family
[Fri Dec 1 20:01:23 2023] Bluetooth: RFCOMM TTY layer initialized
[Fri Dec 1 20:01:23 2023] Bluetooth: RFCOMM socket layer initialized
[Fri Dec 1 20:01:23 2023] Bluetooth: RFCOMM ver 1.11
hcitool
$ hciconfig
hci1: Type: Primary Bus: USB
BD Address: 00:1A:7D:DA:71:11 ACL MTU: 679:9 SCO MTU: 48:16
UP RUNNING
RX bytes:684 acl:0 sco:0 events:48 errors:0
TX bytes:3126 acl:0 sco:0 commands:48 errors:0
hci0: Type: Primary Bus: USB
BD Address: F8:2F:A8:FD:01:DC ACL MTU: 0:0 SCO MTU: 0:0
DOWN
RX bytes:342 acl:0 sco:0 events:9 errors:0
TX bytes:27 acl:0 sco:0 commands:9 errors:0
check rfkill
$ sudo rfkill | grep blue
1 bluetooth ideapad_bluetooth unblocked unblocked
3 bluetooth hci0 unblocked unblocked
8 bluetooth hci1 unblocked unblocked
run a scan
$ sudo hcitool -i hci1 lescan
LE Scan ...
D9:00:00:0B:77:7C (unknown)
D9:00:00:06:F4:D6 (unknown)
D9:00:00:06:F4:D6 (unknown)
D9:00:00:0B:77:7C (unknown)
D9:00:00:05:45:7E (unknown)
Moi je suis sur Ubuntu 22.04.4 LTS, je viens d'acheter un dongle bluetooth 5.0
Quand je tape lsusb, le dongle est reconnu 'Bus 002 Device 006: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)', j'ai déjà installé blueman mais quand j'active via le paramètre, il reste désactivé. Puis j'ai essayé avec le terminal et ça m'a répondu
=> "power on
No default controller available"
j'ai déjà redémarré et tout mais ça ne marche toujours pas
man after sudo hcitool -i hci0 lescan i got "invalid device: Network is down.