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adafruit_feather_nrf52840_sense.rst

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Adafruit Feather Bluefruit Sense

Contents

Hardware

Platform :ref:`platform_nordicnrf52`: The nRF52 Series are built for speed to carry out increasingly complex tasks in the shortest possible time and return to sleep, conserving precious battery power. They have a Cortex-M4F processor which makes them quite capable Bluetooth Smart SoCs.

Microcontroller NRF52840
Frequency 64MHz
Flash 796KB
RAM 243KB
Vendor Adafruit

Configuration

Please use adafruit_feather_nrf52840_sense ID for :ref:`projectconf_env_board` option in :ref:`projectconf`:

[env:adafruit_feather_nrf52840_sense]
platform = nordicnrf52
board = adafruit_feather_nrf52840_sense

You can override default Adafruit Feather Bluefruit Sense settings per build environment using board_*** option, where *** is a JSON object path from board manifest adafruit_feather_nrf52840_sense.json. For example, board_build.mcu, board_build.f_cpu, etc.

[env:adafruit_feather_nrf52840_sense]
platform = nordicnrf52
board = adafruit_feather_nrf52840_sense

; change microcontroller
board_build.mcu = nrf52840

; change MCU frequency
board_build.f_cpu = 64000000L

Uploading

Adafruit Feather Bluefruit Sense supports the following uploading protocols:

  • blackmagic
  • cmsis-dap
  • jlink
  • nrfjprog
  • nrfutil
  • stlink

Default protocol is nrfutil

You can change upload protocol using :ref:`projectconf_upload_protocol` option:

[env:adafruit_feather_nrf52840_sense]
platform = nordicnrf52
board = adafruit_feather_nrf52840_sense

upload_protocol = nrfutil

Debugging

:ref:`piodebug` - "1-click" solution for debugging with a zero configuration.

Warning

You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions and configuration information.

You can switch between debugging :ref:`debugging_tools` using :ref:`projectconf_debug_tool` option in :ref:`projectconf`.

Adafruit Feather Bluefruit Sense does not have on-board debug probe and IS NOT READY for debugging. You will need to use/buy one of external probe listed below.

Compatible Tools On-board Default
:ref:`debugging_tool_blackmagic`   Yes
:ref:`debugging_tool_cmsis-dap`    
:ref:`debugging_tool_jlink`    
:ref:`debugging_tool_stlink`    

Frameworks

Name Description
:ref:`framework_arduino` Arduino Wiring-based Framework allows writing cross-platform software to control devices attached to a wide range of Arduino boards to create all kinds of creative coding, interactive objects, spaces or physical experiences.