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feat(dfu_ext): Add ext dfu flash #4

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feat(dfu_ext): Add ext dfu flash #4

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1120204
feat: nrf52833
Schievel1 Aug 18, 2026
64f07e4
feat: add noswap feature
Schievel1 Aug 19, 2026
8c540cc
feat(dfu_ext): add external flash dfu partition
Schievel1 Aug 19, 2026
f8b430a
feat: add optional defmt logging over RTT
Schievel1 Aug 19, 2026
755aeb7
chore: finalize docs, gitignore and release workflow
Schievel1 Aug 19, 2026
307d203
feat(nrf52): enter DFU mode via GPREGRET magic from application
Schievel1 Aug 24, 2026
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3 changes: 3 additions & 0 deletions .cargo/config.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,3 +3,6 @@ runner = "probe-rs run --chip RP2040"

[target.thumbv7em-none-eabihf]
runner = "probe-rs run --chip nRF52840_xxAA"

[env]
DEFMT_LOG = "trace"
27 changes: 22 additions & 5 deletions .github/workflows/release.yml
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Expand Up @@ -19,19 +19,36 @@ jobs:
- name: Install build tools
run: cargo install cargo-make cargo-binutils cargo-hex-to-uf2

- name: Build all UF2 variants
run: cargo make uf2-all
- name: Build release UF2 variants
run: cargo make uf2-release

- name: Copy nRF ELF
run: cp target/thumbv7em-none-eabihf/release/rmk-boot rmk-boot-nrf52840.elf
- name: Copy nRF ELFs
run: |
cargo build --release --target thumbv7em-none-eabihf --features nrf52840
cp target/thumbv7em-none-eabihf/release/rmk-boot rmk-boot-nrf52840.elf
cargo build --release --target thumbv7em-none-eabihf --features nrf52833
cp target/thumbv7em-none-eabihf/release/rmk-boot rmk-boot-nrf52833.elf
cargo build --release --target thumbv7em-none-eabihf --features nrf52840,noswap
cp target/thumbv7em-none-eabihf/release/rmk-boot rmk-boot-nrf52840-noswap.elf
cargo build --release --target thumbv7em-none-eabihf --features nrf52833,noswap
cp target/thumbv7em-none-eabihf/release/rmk-boot rmk-boot-nrf52833-noswap.elf
cargo build --release --target thumbv7em-none-eabihf --features nrf52840,dfu_ext
cp target/thumbv7em-none-eabihf/release/rmk-boot rmk-boot-nrf52840-dfu_ext.elf
cargo build --release --target thumbv7em-none-eabihf --features nrf52833,dfu_ext
cp target/thumbv7em-none-eabihf/release/rmk-boot rmk-boot-nrf52833-dfu_ext.elf

- name: Upload release assets
uses: softprops/action-gh-release@v3
with:
files: |
*.uf2
*.hex
*-memory.x
rmk-boot-*-memory.x
rmk-boot-nrf52840.elf
rmk-boot-nrf52833.elf
rmk-boot-nrf52840-noswap.elf
rmk-boot-nrf52833-noswap.elf
rmk-boot-nrf52840-dfu_ext.elf
rmk-boot-nrf52833-dfu_ext.elf
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
8 changes: 6 additions & 2 deletions .gitignore
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Expand Up @@ -4,9 +4,13 @@ debug
target

# Linker scripts generated by build.rs
# rmk-memory.x and the variant-specific rmk-<variant>-memory.x
# rmk-memory.x and the variant-specific rmk-boot-<variant>-memory.x
rmk-memory.x
rmk-*-memory.x
rmk-boot-*-memory.x

# Compiled firmware images (generated via cargo objcopy / hex-to-uf2)
rmk-boot-*.hex
rmk-boot-*.uf2

# These are backup files generated by rustfmt
**/*.rs.bk
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