Everytag v0.3.0

Built against nRF Connect SDK v3.2.4 (Zephyr 4.2.99).

Flash usage

Non-DFU builds (no MCUboot, uses full chip flash):

SoC	Release	Dev	Available	Release Usage
nrf52810	133 KB	154 KB	192 KB	69%
nrf52832	128 KB	148 KB	512 KB	25%
nrf52833	128 KB	148 KB	512 KB	25%
nrf52840	145 KB	166 KB	1024 KB	14%
nrf54l15	141 KB	163 KB	1524 KB	9%
thingy52	134 KB	155 KB	512 KB	26%

DFU builds (MCUboot + app, constrained by app slot):

SoC	Release	Dev	App slot	Release Usage
nrf52832	146 KB	168 KB	224 KB	65%
nrf52833	146 KB	168 KB	224 KB	65%
nrf52840	162 KB	186 KB	475 KB	34%
nrf54l15	160 KB	184 KB	674 KB	23%
thingy52	151 KB	175 KB	224 KB	67%

Files

• *-<board>-<tag>.hex — Release firmware (production, no logging). Flash via SWD.
• *-<board>-dev-<tag>.hex — Dev firmware (logging + RTT console). Use for debugging/bring-up via J-Link.
• *-<board>-dfu-<tag>.merged.hex — MCUboot + app (initial SWD flash for DFU-capable boards)
• *-<board>-dfu-<tag>.signed.hex — Signed app image (for OTA updates)
• everytag-<tag>.cdx.json / .spdx.json / .csv — Software Bill of Materials

Changes since v0.2.0

• fix(ci): pre-build firmware to keep derivation alive for sbomnix
• chore: gitignore local sbomnix output artifacts
• docs(todo): add module packaging + vendor-neutral portability entries
• fix(ci): generate buildtime + runtime SBOMs with nixpkgs metadata
• fix(test): clean build dir before host tests
• refactor(adv): mode-specific IHardware methods + pauseUpload docs
• fix: explicit DFU trigger replaces implicit pauseUpload heuristic
• test: state machine transition discipline (7 new tests, 27 assertions)
• refactor: clean up conn_beacon.py (named UUIDs, helpers, dedup)
• feat(fuzz): libFuzzer targets for GATT validators
• docs: ext-adv deferred indefinitely, update TODO + plan status
• docs: ext-adv migration + remaining TODOs plan
• feat: deferred migration fold-ins (bt_hci_err_to_str + BUILD_ASSERT)
• chore: remove migration artifacts + unwired overlay
• fix: k_work_cancel_sync NULL crash + simplify adv restart handler
• Merge pull request #11 from ak2k/ncs-upgrade/phase-4-polish
• ncs-upgrade phase-4: polish — update docs, close plan
• Merge pull request #10 from ak2k/ncs-upgrade/phase-3-ncs-3.2.4
• ncs-upgrade phase-3: fix bsim_dfu BT_LE_ADV_CONN → BT_LE_ADV_CONN_FAST_1
• ncs-upgrade phase-3: fix bsim-test build (glibc 2.42 _FORTIFY_SOURCE)
• ncs-upgrade phase-3: NCS 3.2.4 final baselines
• ncs-upgrade phase-3: bump sdk-nrf to v3.2.4 (final target)
• Merge pull request #9 from ak2k/ncs-upgrade/phase-2-ncs-3.1
• ncs-upgrade phase-2: NCS 3.1.0 baselines
• ncs-upgrade phase-2: bump sdk-nrf to v3.1.0 + bt_hci_cmd_alloc
• Merge pull request #8 from ak2k/ncs-upgrade/phase-1b-advertising
• ncs-upgrade phase-1b: 1β baselines + TODO entries for deferred 1h gate items
• ncs-upgrade phase-1b: clang-format zephyr_hardware.cpp adv helpers
• ncs-upgrade phase-1b: add rapid-reconnect + auth-isolation tests (1h gate subset)
• ncs-upgrade phase-1b: add THREAD_ANALYZER bsim overlay (1g runtime verification)
• ncs-upgrade phase-1b: stack pinning + RAM levers (1g step 1+3)
• ncs-upgrade phase-1b: settings adv uses BT_GAP_ADV_FAST_INT_1 macros (1c fold-in)
• ncs-upgrade phase-1b: cancel adv work before every state transition (1c step 4)
• ncs-upgrade phase-1b: wire .recycled callback + clear authorizedGatt (1c step 3)
• ncs-upgrade phase-1b: add adv workqueue + multi-mode tracker (1c step 1+2)
• Merge pull request #7 from ak2k/ncs-upgrade/phase-1a-build-system
• ncs-upgrade phase-1a: NCS 3.0.2 baselines (sizes, configs, symbols)
• ncs-upgrade phase-1a: extract NVS ID enum to shared header + fix test drift
• ncs-upgrade phase-1a: explicit ZMS Kconfig + lookup cache
• ncs-upgrade phase-1a: Kconfig deprecations + RAM savers for Zephyr 4.0
• ncs-upgrade phase-1a: rename BT_LE_ADV_OPT_CONNECTABLE → BT_LE_ADV_OPT_CONN
• ncs-upgrade phase-1a: add chmod hook for NCS 3.x python scripts
• ncs-upgrade phase-1a: bump sdk-nrf to v3.0.2 + regenerate lockfiles
• Merge pull request #6 from ak2k/ncs-upgrade/phase-0-baselines
• docs: fix NCS migration plan — flake attr name + nrfutil deferral
• docs: NCS 2.9.2 pre-migration baselines (Phase 0)
• docs: add research appendix for NCS 3.2.4 migration plan
• docs: NCS 3.2.4 migration plan (staged, simulation-only validation)
• ncs-upgrade: use workflow annotation instead of issue for major advisory
• ncs-upgrade: advisory tracking issue for major version availability
• bsim: extract BabbleSim pins to bsim-west2nix.toml (auto-generated)
• ncs-upgrade: fix semver comparison + reject board-suffix tags
• add NCS upgrade check workflow (weekly, same-major only)
• auto: refresh flake.lock + west2nix.toml (#5)
• test-ble: point pytest cache at $TMPDIR to silence read-only warning
• fix checks.default: test app must support read-only src
• CI: hybrid cache scoping — shared scopes for firmware/bsim, per-job for tests
• release: add test gates, SBOMs, scheduled lockfile refresh; CI concurrency
• CI: homogenize cross-compile to Nix, add nrf52840 + thingy52 targets
• kconfig: prj-lowpower.conf becomes an 80-line → 5-line overlay, add TODO.md
• CI: pass Cachix auth token so builds push back to shared cache

Full diff: https://github.com/ak2k/Everytag/compare/v0.2.0...v0.3.0

Everytag v0.2.0

Built against nRF Connect SDK v2.9.2 (Zephyr 3.7.99).

Flash usage

Non-DFU builds (no MCUboot, uses full chip flash):

SoC	Release	Dev	Available	Release Usage
nrf52810	133 KB	154 KB	192 KB	69%
nrf52832	127 KB	148 KB	512 KB	24%
nrf52833	127 KB	148 KB	512 KB	24%
nrf54l15	155 KB	177 KB	1524 KB	10%

DFU builds (MCUboot + app, constrained by app slot):

SoC	Release	Dev	App slot	Release Usage
nrf52832	145 KB	168 KB	224 KB	64%
nrf52833	145 KB	168 KB	224 KB	64%
nrf54l15	172 KB	196 KB	674 KB	25%

Files

• *-<board>-<tag>.hex — Release firmware (production, no logging). Flash via SWD.
• *-<board>-dev-<tag>.hex — Dev firmware (logging + RTT console). Use for debugging/bring-up via J-Link.
• *-<board>-dfu-<tag>.merged.hex — MCUboot + app (initial SWD flash for DFU-capable boards)
• *-<board>-dfu-<tag>.signed.hex — Signed app image (for OTA updates)

Changes since v0.1.0

• CI: add cache-nix-action for /nix/store caching, extract setup-nix composite
• release: matrix parallel builds, dfu-dev variants, rich release notes
• bsim-test CI: stream logs during build, dump on completion
• upgrade NCS 2.8.0 → 2.9.2, refactor flake apps to writeShellApplication
• add release workflow: tag-triggered firmware builds + GitHub Release

Full diff: https://github.com/ak2k/Everytag/compare/v0.1.0...v0.2.0

Everytag v0.1.0

Flash usage

SoC	Release	Dev	Available	Release usage
nrf52810	133 KB	154 KB	192 KB	69%
nrf52832	127 KB	148 KB	512 KB	24%
nrf52833	127 KB	148 KB	512 KB	24%
nrf54l15	155 KB	177 KB	1524 KB	10%

Files

• *-<board>-<tag>.hex — Release firmware (production, no logging). Flash via SWD.
• *-<board>-dev-<tag>.hex — Dev firmware (logging + RTT console). Use for debugging/bring-up via J-Link.
• *-<board>-dfu-<tag>.merged.hex — MCUboot + app (initial SWD flash for DFU-capable boards)
• *-<board>-dfu-<tag>.signed.hex — Signed app image (for OTA updates)

Built with Nix from flake.lock-pinned toolchain and NCS modules.