hciconfig is not showing my nrf52840 dongle on my linux terminal

[SanthoshN]

Hi,

I flashed my nrf52840 dongle by nrf Desktop connect app with ble-blinky hex file from nRF5_SDK_15.2.0_9412b96 SDK and I am able to connect to it from nrf connect ios app.

But unable to see the device on hciconfig.

Basing on this below link flashed the dongle with ble_connectivity_s140_usb_hci_pca10059.hex which I got from SDK instead of Zephyr BLE HCI_USB controller firmware as I didn't find its hex file.

devzone.nordicsemi.com/.../flashing-nrf52840-dongle-to-support-bluez

What should be done to make the dongle visible in hciconfig.. ??

[SanthoshN]

Any help is highly appreciated

[Vidar Berg]

nRF connect desktop uses serialized softdevice (Nordic BT stack) API to communicate with the connectivity chip, not HCI commands. In other words, ble_connectivity_s140_usb_hci_pca10059.hex will not work with the Bluez host. 

Do you have a programmer to program the dongle, or do you need to upload the FW through USB DFU? 

[SanthoshN]

Thanks for the reply.

I am using nrf connect desktop application to upload FW on my device.

After uploading fw on nrf52840, I am checking on linux terminal using hciconfig in which I am not able to find my device.

May I know what steps I have to follow to make my dongle as an hci usb and make it visible with the command hciconfig

[SanthoshN]

In Case ID: 211988 https://devzone.nordicsemi.com/f/nordic-q-a/37237/flashing-nrf52840-dongle-to-support-bluez

You mentioned to flash Zephyr BLE HCI_USB controller firmware on dongle.

Could you please point me to the FW as I was unable to locate the hex file.

You also mentioned to change the linker file. Please share the link of source code to change the FW start address.

Our goal is to connect dongle to raspberry Pi and use this dongle to perform BT operations instead of onboard BT chip using BLUEZ library.

Thankyou in advance.

[Vidar Berg]

Zephyr does not include any pre-compiled .hex files so the samples need to be built from source. I have built the example for you, but not verified if it works, see attached. 

zephyr.hex

[SanthoshN]

Thanks for the hex

With this hex I am able to see the device but its mac id is wrong.

santhosh@santhosh:~/Desktop/gw$ hciconfig
hci0:    Type: BR/EDR  Bus: USB
    BD Address: 00:00:00:00:00:00  ACL MTU: 27:7  SCO MTU: 0:0
    DOWN
    RX bytes:215 acl:0 sco:0 events:16 errors:0
    TX bytes:72 acl:0 sco:0 commands:16 errors:0

[Vidar Berg]

I belive there is a HCI command to set the address, please refer to the Zephyr documentation for more details. 

[SanthoshN]

I am trying to change the address with bdaddr but it is throwing the following error

pi@raspberrypi:~/bluez-5.50/tools $ sudo ./bdaddr
Can't read version info for hci0: Network is down (100)

kernel version

pi@raspberrypi:~/bluez-5.50/tools $ uname -a
Linux raspberrypi 4.9.35-v7+ #1014 SMP Fri Jun 30 14:47:43 BST 2017 armv7l GNU/Linux

Bluetooth status

pi@raspberrypi:~/bluez-5.50/tools $ sudo service bluetooth status
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled)
   Active: active (running) since Wed 2019-01-30 08:17:09 UTC; 51min ago
     Docs: man:bluetoothd(8)
 Main PID: 862 (bluetoothd)
   Status: "Running"
   CGroup: /system.slice/bluetooth.service
           └─862 /usr/local/libexec/bluetooth/bluetoothd

Jan 30 08:17:09 raspberrypi systemd[1]: Started Bluetooth service.
Jan 30 08:17:09 raspberrypi bluetoothd[862]: Starting SDP server
Jan 30 08:17:09 raspberrypi bluetoothd[862]: Bluetooth management interface 1.14 initialized
Jan 30 08:17:09 raspberrypi bluetoothd[862]: Failed to open crypto
Jan 30 08:17:09 raspberrypi bluetoothd[862]: No Bluetooth address for index 0
Jan 30 08:17:09 raspberrypi bluetoothd[862]: Failed to set privacy: Rejected (0x0b)
Jan 30 08:17:12 raspberrypi bluetoothd[862]: Endpoint registered: sender=:1.16 path=/MediaEndpoint/A2DPSource
Jan 30 08:17:12 raspberrypi bluetoothd[862]: Endpoint registered: sender=:1.16 path=/MediaEndpoint/A2DPSink
Jan 30 08:17:13 raspberrypi bluetoothd[862]: Endpoint unregistered: sender=:1.16 path=/MediaEndpoint/A2DPSource
Jan 30 08:17:13 raspberrypi bluetoothd[862]: Endpoint unregistered: sender=:1.16 path=/MediaEndpoint/A2DPSink

Can you suggest me how to change the BD address and make it work on my raspberrypi

[SanthoshN]

I upgraded the kernel and tried to change the BD address

It is not updated and throwing the following error

pi@raspberrypi:~/bluez-5.50/tools $ sudo ./bdaddr -r 00:19:1D:6D:D9:DA
Manufacturer:   not assigned (1521)
Device address: 00:00:00:00:00:00 (XEROX CORPORATION)

Unsupported manufacturer