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Dan Halbert f826904995
Merge pull request #7468 from DavePutz/issue_6975 
Fixes for microcontroller.on_next_reset() on NRF
2023-01-19 19:03:46 -05:00
..
bluetooth Add two stage reset for BLE 2022-05-12 13:20:44 -07:00
boards Initializing external flash SPI speed to SPI_FLASH_MAX_BAUDRATE, instead of using driver default speed (32MHz), before probing JEDEC identifier. 2022-12-21 16:33:06 +01:00
common-hal Merge pull request #7468 from DavePutz/issue_6975 2023-01-19 19:03:46 -05:00
device/nrf52 more missing-prototypes fixes 2021-11-10 21:00:17 -06:00
freeze run code formatting script 2021-03-15 19:27:36 +05:30
nrfx@3f55e49eb1 update nrfx submodule to v2 2019-12-18 15:39:11 +07:00
peripherals/nrf Use memory fence when disabling cache to avoid -O2 problems 2022-12-29 19:49:40 -05:00
supervisor store wake_alarm in a static object 2022-10-29 16:26:36 -04:00
.gitignore remove redundant port/*/.gitignore; cleanup others 2022-10-01 11:52:36 -04:00
background.c -Werror=missing-prototypes for nRF 2021-11-10 11:26:54 -06:00
background.h supervisor: factor supervisor_background_tasks from sundry ports 2020-07-15 11:49:44 -05:00
gccollect.c run code formatting script 2021-03-15 19:27:36 +05:30
ld_defines.c run code formatting script 2021-03-15 19:27:36 +05:30
Makefile Merge pull request #7247 from tannewt/picow_web_workflow 2022-11-28 14:19:42 -08:00
mpconfigport.h nrf: Set .mpy features consistent with documentation and other ports. 2021-08-13 23:22:54 +10:00
mpconfigport.mk Change I2C terminology from "peripheral" to "target" 2022-08-09 13:13:19 -04:00
mphalport.h Merge tag 'v1.17' into merge-1.17 2021-10-15 08:20:54 -05:00
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
README.md nrf: Facilitate use of freeze manifest. 2021-08-08 23:17:55 +10:00
sd_mutex.c -Werror=missing-prototypes for nRF 2021-11-10 11:26:54 -06:00
sd_mutex.h run code formatting script 2021-03-15 19:27:36 +05:30

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: