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Michael Himing 9ad50dfefb Seeed_XIAO_nRF52840_Sense: Enable rgb status LED
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bluetooth Create first BLE-only board, Micro:Bit v2 2021-07-14 09:55:51 -07:00
boards Seeed_XIAO_nRF52840_Sense: Enable rgb status LED 2022-03-02 22:34:01 +11:00
common-hal Add S3 GATT client support 2022-02-10 11:31:57 -08:00
device/nrf52 more missing-prototypes fixes 2021-11-10 21:00:17 -06:00
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nrfx@3f55e49eb1 update nrfx submodule to v2 2019-12-18 15:39:11 +07:00
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Makefile updating UF2_FAMILY_ID for nrf52833 2021-12-23 16:32:00 -06:00
mpconfigport.h nrf: Set .mpy features consistent with documentation and other ports. 2021-08-13 23:22:54 +10:00
mpconfigport.mk Only enable is31fl3741 for led glasses board 2022-02-01 09:45:50 +11:00
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nrfx_config.h Create first BLE-only board, Micro:Bit v2 2021-07-14 09:55:51 -07:00
nrfx_glue.h nrf/modules/nrf: Add function to enable/disable DCDC. 2021-08-09 14:55:59 +10:00
nrfx_log.h all: Reformat C and Python source code with tools/codeformat.py. 2020-02-28 10:33:03 +11:00
qstrdefsport.h nrf/qstrdefsport.h: Add entries for in-built FS mount points. 2021-08-08 23:17:49 +10:00
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README.md

CircuitPython Port To The Nordic Semiconductor nRF52 Series

This is a port of CircuitPython to the Nordic Semiconductor nRF52 series of chips.

Note

: There are board-specific READMEs that may be more up to date than the generic board-neutral documentation below.

Flash

Some boards have UF2 bootloaders and can simply be flashed in the normal way, by copying firmware.uf2 to the BOOT drive.

For some boards, you can use the flash target:

make BOARD=pca10056 flash

Segger Targets

Install the necessary tools to flash and debug using Segger:

JLink Download

nrfjprog linux-32bit Download

nrfjprog linux-64bit Download

nrfjprog osx Download

nrfjprog win32 Download

note: On Linux it might be required to link SEGGER's libjlinkarm.so inside nrfjprog's folder.

DFU Targets

run follow command to install adafruit-nrfutil from PyPi

$ pip3 install --user adafruit-nrfutil

make flash and make sd will not work with DFU targets. Hence, dfu-gen and dfu-flash must be used instead.

  • dfu-gen: Generates a Firmware zip to be used by the DFU flash application.
  • dfu-flash: Triggers the DFU flash application to upload the firmware from the generated Firmware zip file.

When enabled you have different options to test it: