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Jeff Epler 49db85cb3d Check that select firmwares build on Windows with MSYS2 
This configuration is used by @ladyada and more often than it should
we've discovered late that a change introduced problems building
there.

By adding this to regular CI, hopefully we learn about and fix these
issues sooner rather than later.
 		2021-05-28 16:47:29 -05:00
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bluetooth update Python API according to review comments 2021-05-03 22:29:02 -04:00
boards Fix SAMD 2021-05-14 16:14:24 -07:00
common-hal Merge remote-tracking branch 'adafruit/main' into simplify_status_led 2021-05-20 13:46:42 -07:00
device/nrf52 run code formatting script 2021-03-15 19:27:36 +05:30
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nrfx@3f55e49eb1 update nrfx submodule to v2 2019-12-18 15:39:11 +07:00
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supervisor Merge pull request #4716 from tyomitch/main 2021-05-08 08:47:29 -05:00
.gitignore add CharacteristicBuffer; UART seems to work! 2019-01-07 22:46:20 -05:00
Makefile Check that select firmwares build on Windows with MSYS2 2021-05-28 16:47:29 -05:00
README.md address review comments 2019-12-11 15:43:06 -05:00
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background.h supervisor: factor supervisor_background_tasks from sundry ports 2020-07-15 11:49:44 -05:00
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mpconfigport.mk count in/out endpoints; allow more usb modules on low-endpoint boards 2021-05-13 21:59:02 -04:00
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nrfx_config.h Merge remote-tracking branch 'upstream/main' into nrf52-sleep 2021-04-09 13:48:45 -04:00
nrfx_glue.h run code formatting script 2021-03-15 19:27:36 +05:30
nrfx_log.h nrf: Rewrite the SPI common-hal using nrfx 2018-06-25 23:46:34 +02:00
qstrdefsport.h nrf: Remove old qstr defines 2018-06-27 20:52:13 +02:00
sd_mutex.c run code formatting script 2021-03-15 19:27:36 +05:30
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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: