I build an example of HCI-USB / HCI-UART, not fundamentally, since the result is the same. The PHY does not selects properly, and scan a LE, but I need Long Range (Coded PHY)

[AlexandrX]

Hardware: Raspberry PI4, nrf52840dk_nrf52840 ev. board
Software: Ubuntu 20.04 x64, Bluez 5.53

First, build the "hci-USB" sample, on SES, flash board (nRF52840DK), connect to Raspberry PI4 on USB port.

Next configure the HSI-USB:

ubuntu@ubuntu:~$ sudo hcitool -i hci0 cmd 08 31 03 04 04
< HCI Command: ogf 0x08, ocf 0x0031, plen 3
  03 04 04
> HCI Event: 0x0e plen 4
  01 31 20 00

Then, I make sure that the PHY is set to the desired one:

ubuntu@ubuntu:~$ sudo btmgmt --index 0
[hci0]# phy
Supported phys: LE1MTX LE1MRX LE2MTX LE2MRX LECODEDTX LECODEDRX
Configurable phys: LE2MTX LE2MRX LECODEDTX LECODEDRX
Selected phys: LECODEDTX LECODEDRX

Then we try to scan, for this we have prepared a couple of devices in the BLE Long Range, which are checked and guaranteed to work, reslut:

[hci0]# find -l
Discovery started
hci0 type 6 discovering on
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -62 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -75 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 4C:C9:5E:30:E8:B1 type LE Public rssi -90 flags 0x0004
AD flags 0x00
eir_len 28
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -85 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -85 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 62:18:D1:6E:8F:24 type LE Random rssi -88 flags 0x0000
AD flags 0x1a
eir_len 17
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -85 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -79 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -37 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 4C:C9:5E:30:E8:B1 type LE Public rssi -90 flags 0x0004
AD flags 0x00
eir_len 28
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -75 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -37 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: B8:F6:53:91:29:0A type LE Public rssi -81 flags 0x0000
AD flags 0x18
name JBL Flip 5
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -75 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -66 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -37 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -76 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -37 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -87 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -47 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -59 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -46 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -79 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -46 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -78 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 4C:C9:5E:30:E8:B1 type LE Public rssi -89 flags 0x0004
AD flags 0x00
eir_len 28
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -79 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -76 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -85 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -76 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -75 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -60 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -76 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -85 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -30 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -83 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -29 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: 63:FB:BE:57:40:87 type LE Random rssi -87 flags 0x0000
AD flags 0x1a
eir_len 18
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -75 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -28 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -76 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -29 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -76 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -32 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -75 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -36 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -62 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 62:18:D1:6E:8F:24 type LE Random rssi -90 flags 0x0000
AD flags 0x1a
eir_len 17
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -77 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -39 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 63:FB:BE:57:40:87 type LE Random rssi -92 flags 0x0000
AD flags 0x1a
eir_len 18
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -74 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -88 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -35 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -83 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -34 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 62:18:D1:6E:8F:24 type LE Random rssi -90 flags 0x0000
AD flags 0x1a
eir_len 17
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -64 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -34 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -64 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -87 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -84 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -64 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -38 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 4C:C9:5E:30:E8:B1 type LE Public rssi -88 flags 0x0004
AD flags 0x00
eir_len 28
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -34 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: B8:F6:53:91:29:0A type LE Public rssi -90 flags 0x0000
AD flags 0x18
name JBL Flip 5
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -77 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -35 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -78 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0000
AD flags 0x02
eir_len 21
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -84 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -73 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -34 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 66:6F:DD:C5:47:55 type LE Random rssi -90 flags 0x0000
AD flags 0x1a
eir_len 17
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -73 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -87 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -84 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -34 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -84 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -84 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -83 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -32 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -60 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -32 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -60 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -77 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -60 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 66:6F:DD:C5:47:55 type LE Random rssi -91 flags 0x0000
AD flags 0x1a
eir_len 17
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -88 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -77 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
AD flags 0x1e
eir_len 16
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -74 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -84 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -74 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -38 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -74 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -39 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -84 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -40 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -65 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0000
AD flags 0x02
eir_len 21
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -84 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -85 flags 0x0004
AD flags 0x00
eir_len 27
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -60 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -38 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -84 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 62:18:D1:6E:8F:24 type LE Random rssi -89 flags 0x0000
AD flags 0x1a
eir_len 17
hci0 dev_found: 4C:C9:5E:30:E8:B1 type LE Public rssi -90 flags 0x0004
AD flags 0x00
eir_len 28
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -60 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -38 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: B8:F6:53:91:29:0A type LE Public rssi -86 flags 0x0000
AD flags 0x18
name JBL Flip 5
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -61 flags 0x0000
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AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -83 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -63 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -33 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -63 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -35 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: 4C:C9:5E:30:E8:B1 type LE Public rssi -89 flags 0x0004
AD flags 0x00
eir_len 28
hci0 dev_found: D8:9C:67:3A:33:BA type LE Public rssi -86 flags 0x0004
AD flags 0x00
eir_len 30
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -63 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -34 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -76 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -63 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 dev_found: 32:E9:D0:CF:E8:AD type LE Random rssi -39 flags 0x0004
AD flags 0x00
eir_len 31
hci0 dev_found: DE:21:7A:FE:B1:36 type LE Random rssi -77 flags 0x0000
AD flags 0x06
name RK-G211S
hci0 dev_found: 5C:DC:96:B1:C5:1B type LE Public rssi -62 flags 0x0000
AD flags 0x1e
name [LG] webOS TV UH676V
hci0 type 6 discovering off

The search works crookedly. Returns duplicate results, if you build the project purely on Zephyr, there is no such problem. But the example is based on the nRF SDK. As a result, when the CODED PHY is selected, it searches for normal BLE devices.

And here is the result on a clean marshmallow collected by the "west" utility, the command:

west build -b nrf52840dk_nrf52840 samples/bluetooth/hci_usb

See the different:

[hci0]# find -l
Discovery started
hci0 type 6 discovering on
hci0 dev_found: 00:00:00:00:00:00 type LE Public rssi 0 flags 0x0000
AD flags 0x00
eir_len 0
hci0 dev_found: C7:73:0A:C8:D9:4F type LE Random rssi -44 flags 0x0000
AD flags 0x06
eir_len 3
hci0 dev_found: 00:00:00:00:00:00 type LE Public rssi 0 flags 0x0000
AD flags 0x00
eir_len 0
hci0 dev_found: 40:F1:3C:6E:F0:66 type LE Random rssi -66 flags 0x0000
AD flags 0x02
eir_len 3
hci0 type 6 discovering off

The example from the nRF SDK doesn't work at all! An example from Zephyr at least sees the device's LR.

But when trying to connect (pair-t 2 <adr>) that on a clean Zephyr that on the nRF SDK, the controller just freezes until reset it hard.

Is there a WORKING fully functional HCI-UART/USB working with BLE Long Range (CODER PHY) normally!?

[Kenneth]

Regarding filtering duplicates, this is not supported (as of today at least), as described here:
https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrfxlib/softdevice_controller/limitations.html 

However I am not sure why CODED PHY does not work, do I understand it correctly that in both your cases (hci_usb and hci_lpuart) you are actually receiving regular advertisement even if you configure CODED PHY? 

[AlexandrX]

Yes, that's right, no matter what PHY I put, it only looks for BLE... It is strange that it shows that the CODED PHY is configured, but it only searches for BLE, Long Range does not even display in the results...

[Kenneth]

And you can confirm that CODED PHY works when using the zephyr controller but not the softdevice controller? It's important CODED PHY is not set at the same time as regular 1M PHY (since it can't do both at the same time).

Just want to make sure I am not missing anything here.

Kenneth

[AlexandrX]

"And you can confirm that CODED PHY works when using"

- works, but not pair, only find and display mac's, zephyr slack answer:

"Connection Initiation over Coded PHY is a work in progress. Double-checking with..."

and

"Yes, Connection Initiation to extended advertising is not supported, and is work in progress."

Any ideas?? )

[AlexandrX]

Kenneth said:

It's important CODED PHY is not set at the same time as regular 1M PHY (since it can't do both at the same time).

Of course, I know that only one PHY can work at the moment, proper for this and there is a "phy" command in btmgmt to select an active phy, but it does not work there, only through hcitool!

Example:

[hci0]# phy LE1MTX LE1MRX
PHY Configuration successfully set

Ok, another phys:

[hci0]# phy LECODEDTX LECODEDRX
Could not set PHY Configuration with status 0x0d (Invalid Parameters)
[hci0]# phy LE2MTX LE2MRX
Could not set PHY Configuration with status 0x0d (Invalid Parameters)

- FAIL.

It's weird, isn't it? Since:

[hci0]# phy
Supported phys: LE1MTX LE1MRX LE2MTX LE2MRX LECODEDTX LECODEDRX
Configurable phys: LE2MTX LE2MRX LECODEDTX LECODEDRX

But you can only install LE1MRX/TX, why?

[AlexandrX]

Is that all technical support?