swaitsandClaude Opus 4.7
0032d01638
Embassy-based no_std firmware for the Seeed Studio Xiao RP2040 that masquerades as a Dell MS116 USB HID Boot Mouse. Each cycle picks a random axis from the RP2040 ROSC RANDOMBIT register, nudges +1 px, dwells 25 ms, nudges -1 px, then sleeps 4.5 minutes. After 8 hours elapsed from boot or RESET press the device idles silently (watchdog still fed) until the user taps RESET (R) again, aligning a single press with one workday. Tooling: - mise.toml pins rust 1.95.0 with explicit components and the thumbv6m-none-eabi target, plus cargo-binutils / uf2conv helpers. - justfile shell is set to "mise exec -- sh -eu -c" so every recipe uses the pinned toolchain without any shell activation. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
109 lines
2.8 KiB
Makefile
109 lines
2.8 KiB
Makefile
# Every recipe runs inside `mise exec --`, so cargo, rustup components, and
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# cargo helpers (objcopy, uf2conv, …) come from the toolchain pinned in
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# mise.toml — no shell activation required.
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set shell := ["mise", "exec", "--", "sh", "-eu", "-c"]
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firmware := "jiggly"
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target := "thumbv6m-none-eabi"
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base_addr := "0x10000000"
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family_id := "0xE48BFF56"
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out_release := "target" / target / "release" / firmware
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out_bin := "target" / target / "release" / firmware + ".bin"
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out_uf2 := "target" / target / "release" / firmware + ".uf2"
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# Show available recipes.
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default:
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@just --list --unsorted
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# Debug build.
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build:
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cargo build
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# Optimised release build.
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release:
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cargo build --release
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# `cargo check` on the firmware binary.
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check:
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cargo check
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# Clippy — treat warnings as errors.
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clippy:
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cargo clippy -- -D warnings
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# Format source in place.
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fmt:
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cargo fmt --all
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# Verify formatting without writing.
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fmt-check:
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cargo fmt --all -- --check
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# All lint gates (fmt-check + clippy).
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lint: fmt-check clippy
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# Local CI pipeline: check + lint + release build.
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ci: check lint release
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# Remove build artefacts.
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clean:
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cargo clean
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# Re-run `cargo check` on source changes.
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watch:
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cargo watch -x check
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# Print section sizes of the release ELF.
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size: release
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cargo size --release -- -A
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# Symbol-level size breakdown of the release ELF.
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bloat: release
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cargo bloat --release -n 30
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# Expand macros (helpful for inspecting `bind_interrupts!` / `#[embassy_executor::main]`).
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expand:
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cargo expand
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# Build rustdoc for this crate and dependencies, then open in a browser.
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doc:
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cargo doc --open
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# Strip the release ELF to a raw binary image.
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bin: release
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cargo objcopy --release -- -O binary {{ out_bin }}
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@echo "→ {{ out_bin }}"
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# Produce a UF2 image ready to flash onto the XIAO bootloader volume.
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uf2: bin
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uf2conv {{ out_bin }} -b {{ base_addr }} -f {{ family_id }} -o {{ out_uf2 }}
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@echo "→ {{ out_uf2 }}"
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# Build UF2 and copy it to the first mounted XIAO UF2 volume (Linux/macOS).
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flash: uf2
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#!/usr/bin/env bash
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set -euo pipefail
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echo "Hold BOOT (B) and tap RESET (R) on the XIAO RP2040 to enter bootloader mode…"
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for i in {1..60}; do
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for mount in /media/*/RPI-RP2* /run/media/*/RPI-RP2* /Volumes/RPI-RP2*; do
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if [[ -d "$mount" ]]; then
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cp "{{ out_uf2 }}" "$mount/"
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sync
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echo "→ Copied to $mount"
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exit 0
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fi
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done
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sleep 1
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done
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echo "Timed out waiting for XIAO UF2 volume. Copy {{ out_uf2 }} manually." >&2
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exit 1
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# Install the toolchain and cargo helpers declared in mise.toml.
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bootstrap:
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mise install
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# Show firmware file size summary.
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stats: uf2
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@ls -lh {{ out_release }} {{ out_bin }} {{ out_uf2 }}
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