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Dan Halbert 01979acd48
Merge pull request #4604 from tannewt/buffer_size 
Assume max characteristic size when the client
2021-04-20 12:02:06 -04:00
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boards Add board definition files for ARAMCON2 Badge 2021-04-19 20:41:01 +03:00
common-hal Account for max_packet_size in outgoing length 2021-04-15 16:34:06 -07:00
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nrfx@3f55e49eb1 update nrfx submodule to v2 2019-12-18 15:39:11 +07:00
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.gitignore add CharacteristicBuffer; UART seems to work! 2019-01-07 22:46:20 -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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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
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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
README.md address review comments 2019-12-11 15:43:06 -05:00
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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: