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Keep in mind that some Linux distros having a modemmanger. If you
not having a blocking udev rule or uninstalling it, this piece of
software will try to connect through your uart.
On 03/10/18 22:38, Cufi, Carles wrote:
The controller doesn´t
seem to be responding to the Reset command, as if perhaps
(UART) connection was not working.
Can you try building and
flashing the “hello_world” sample and visualize the output
using minicom or similar, to make sure the serial link is
very much for the reply.
Here is a
paste-bin of the logs you requested. Please let me know
if there's any further information you would like me to
Field Application Engineer
On Wed, Oct
3, 2018 at 8:56 AM, Cufi, Carles <Carles.Cufi@...>
Could you please attach a btmon log
of the attach procedure?
On one shell run “sudo btmon”
On another shell then run: “sudo btattach -B /dev/ttyACM0 -S
And then attach the log output from
btmon in an email or paste service.
Also, have you tried “sudo btmgmt
--index 0”? i.e. specifying the index when
I have built and
installed HCI_UART to nRF52840
Nordic Development kit. When I
connect this device it appears with
"lsusb", seemingly I can attach it
using "btattach -B /dev/ttyACM0 -S
1000000", revealing hci0. I have
made the recommended adaptation to
appending -E to the
When issuing commands
with "btmgmt", "btmon" reports
"Invalid Index (0x11)". Normal HCI
commands fail such as "hciconfig
Ubuntu, 4.15 kernel, Bluez 5.48,
also tested with Xenial Ubuntu 4.15
kernel, Bluez 5.50. Any suggestions
would be greatly appreciated.