Hi,

I am new to Apache and the mynewt-nimble project. I am a little familiar with 
Zephyr and the nRF52840.

We have an application where I want to use the nRF52840 dongle (PCA10059) in 
USB HCI mode with a Linux host system (Pi Zero, BLueZ 5.55) which acts as a BLE 
central. Our application must use LE coded Phy and  tx power settings for max 
range.

I’ve learn from Zephyr devs that setting LE is currently not supported in HCI 
mode with their open source stack.
Does mynewt-nimble support the host system (specifically BLuez and hcitool) 
setting the LE phy and the tx power level in USB HCI mode?
I see commands in 
mynewt-nimble<https://github.com/apache/mynewt-nimble>/nimble<https://github.com/apache/mynewt-nimble/tree/master/nimble>/include<https://github.com/apache/mynewt-nimble/tree/master/nimble/include>/nimble<https://github.com/apache/mynewt-nimble/tree/master/nimble/include/nimble>/hci_common.h
 but I’ve learnt from Zephyr that doesn’t always mean the feature works as yet 😊
If the project does support this I’m assuming I would use this tutorial:
https://mynewt.apache.org/latest/tutorials/ble/blehci_project.html
Change transport to USB in 
mynewt-nimble<https://github.com/apache/mynewt-nimble>/apps<https://github.com/apache/mynewt-nimble/tree/master/apps>/blehci<https://github.com/apache/mynewt-nimble/tree/master/apps/blehci>/syscfg.yml
Go to file<https://github.com/apache/mynewt-nimble/find/master>
Problem: The BSP (PCA10059) is not supported by mynewt-core/hw/bsp.
Thanks,
Valens



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