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Jeff Epler f1ada8e880 Automatically count EXTERNAL_FLASH_DEVICES 2021-03-07 11:48:39 -06:00
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bluetooth wip 2021-02-12 19:01:14 -05:00
boards Automatically count EXTERNAL_FLASH_DEVICES 2021-03-07 11:48:39 -06:00
common-hal [nrf] No need to store `buffer_length` as part of `audiopwmio_pwmaudioout_obj_t` 2021-03-05 06:01:58 -05:00
device/nrf52 nrf: add support for nrf52833 2020-04-21 12:29:56 +08:00
examples Add license to some obvious files. 2020-07-06 19:16:25 +01:00
freeze ports/nrf: Moving nrf51/52 port to new ports directory 2017-10-04 21:46:48 +02:00
nrfx@3f55e49eb1 update nrfx submodule to v2 2019-12-18 15:39:11 +07:00
peripherals/nrf Add license to some obvious files. 2020-07-06 19:16:25 +01:00
supervisor wip 2021-02-12 19:01:14 -05:00
.gitignore add CharacteristicBuffer; UART seems to work! 2019-01-07 22:46:20 -05:00
Makefile -ftree-vrp better diagnostics on -Os builds; -fno-inline-functions for -O2; fix struct init in HCI bleio 2020-12-15 12:23:56 -05:00
README.md address review comments 2019-12-11 15:43:06 -05:00
background.c supervisor: factor supervisor_background_tasks from sundry ports 2020-07-15 11:49:44 -05:00
background.h supervisor: factor supervisor_background_tasks from sundry ports 2020-07-15 11:49:44 -05:00
fatfs_port.c Add license to some obvious files. 2020-07-06 19:16:25 +01:00
gccollect.c Fix up end of file and trailing whitespace. 2020-06-03 10:56:35 +01:00
ld_defines.c SPIM3 buffer must be in first 64kB of RAM 2020-08-15 10:31:56 -04:00
mpconfigport.h CIRCUITPY_* switches for JSON, RE, etc. Doc cleanup 2021-01-24 23:10:20 -05:00
mpconfigport.mk usb descriptors all set; rework of enabling for USB devices 2021-02-04 19:23:40 -05:00
mphalport.h Supervisor: move most of systick to the supervisor 2019-11-18 11:01:23 -06:00
nrfx_config.h SPIM3 buffer must be in first 64kB of RAM 2020-08-15 10:31:56 -04:00
nrfx_glue.h nrf: watchdog: use nrfx_wdt driver 2020-05-27 11:28:49 +08:00
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 nrf: Use RUN_BACKGROUND_TASKS 2019-08-11 08:53:02 -05:00
sd_mutex.h CharacteristicBuffer: make it be a stream class; add locking 2019-01-19 19:45:35 -05:00

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: