MattCampbellST commented on issue #93:
URL: https://github.com/apache/mynewt-mcumgr/issues/93#issuecomment-1001658668
That makes sense, `HCI0` is the virtual pass through device that VMware uses
to share BT devices with the VM guest and must only support BT classic.
I have a USB BT dongle that I was trying to use that for sure does support
BT 4.0, but that wasn't working either. I tried running `btmon` on that and to
my surprise, even though I had set `mcumgr` to use `hci1`, all the `btmon`
output was for `hci0`. After disabling the VMWare device, things worked as
expected. Looks like this might be a different issue where `mcumgr` isn't fully
honoring the `ctrl_name` option for ble.
```
mcampbell@ubuntu ~ [1]> hciconfig -a
hci1: Type: Primary Bus: USB
BD Address: 5C:F3:70:8C:94:B0 ACL MTU: 1021:8 SCO MTU: 64:1
UP RUNNING
RX bytes:1548 acl:0 sco:0 events:61 errors:0
TX bytes:3208 acl:0 sco:0 commands:62 errors:0
Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH SNIFF
Link mode: SLAVE ACCEPT
Name: 'ubuntu #2'
Class: 0x6c0000
Service Classes: Rendering, Capturing, Audio, Telephony
Device Class: Miscellaneous,
HCI Version: 4.0 (0x6) Revision: 0x1000
LMP Version: 4.0 (0x6) Subversion: 0x220e
Manufacturer: Broadcom Corporation (15)
hci0: Type: Primary Bus: USB
BD Address: AC:74:B1:85:B6:EF ACL MTU: 8192:128 SCO MTU: 64:128
UP RUNNING
RX bytes:2277 acl:0 sco:0 events:91 errors:0
TX bytes:1961 acl:0 sco:0 commands:104 errors:0
Features: 0xff 0xff 0x8f 0xfe 0x83 0xe1 0x08 0x80
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'ubuntu #1'
Class: 0x6c0000
Service Classes: Rendering, Capturing, Audio, Telephony
Device Class: Miscellaneous,
HCI Version: 2.1 (0x4) Revision: 0x100
LMP Version: 2.1 (0x4) Subversion: 0x100
Manufacturer: not assigned (6502)
mcampbell@ubuntu ~/g/bin> sudo ./mcumgr --conntype ble --connstring
ctlr_name=hci1,peer_name='Zephyr' echo asdf
Error: can't scan: Unknown HCI Command
```
[mcumgr.trace.zip](https://github.com/apache/mynewt-mcumgr/files/7781058/mcumgr.trace.zip)
To prove that the USB BT dongle does work, II removed the VMWare BT device
leaving only the USB BT 4.0 device and things then worked. This sounds like a
different problem than this issue is getting at. Let me know if I should open
up a new ticket for this.
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