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| The nRF52 platform supports firmware updates via Over-the-Air (OTA) mechanisms. The **only supported bootloader** for OTA updates is **MCUboot**. |
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Can we improve the documentation on what we need around MCUboot? Most of what I read suggests that we only need slot0 partition but I suspect we need at least two slots for MCUBoot? My nice!nano nRF52 currently has an Adarfruit boot loader and I'm not certain what is required.
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Best if you could open a PR with redaction of the doc. Push to this branch or just open new PR. I can link it to main PR. nrf52 doc could be improved in few places but I have no much time to think about it.
In the nut shell you need:
- flash firmware using SWD e.g. by stlink https://esphome.io/components/nrf52/#flashing-with-mcuboot
- From that moment you can flash new firmware using serial, cdc serial or ble
By default it use slot0 and slot1. https://docs.nordicsemi.com/bundle/ncs-latest/page/mcuboot/readme-zephyr.html
2 participants
Description:
Related issue (if applicable): fixes
Pull request in esphome with YAML changes (if applicable):
Checklist:
I am merging into
nextbecause this is new documentation that has a matching pull-request in esphome as linked above.or
I am merging into
currentbecause this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.Link added in
/components/index.rstwhen creating new documents for new components or cookbook.New Component Images
If you are adding a new component to ESPHome, you can automatically generate a standardized black and white component name image for the documentation.
To generate a component image:
Comment on this pull request with the following command, replacing
COMPONENT_NAMEwith your component name in UPPER_CASE format with underscores (e.g.,BME280,SHT3X,DALLAS_TEMP):The ESPHome bot will respond with a downloadable ZIP file containing the SVG image.
Extract the SVG file and place it in the
images/folder of this repository.Use the image in your component's index table entry in
/components/index.rst.Example: For a component called "DHT22 Temperature Sensor", use: