7481f91935
The single-file app grew to ~57KB; CircuitPython compiling it at boot fragments the RP2040 heap so badly that the fonts can't get a contiguous block (161KB free, yet a ~16KB alloc fails). Fix: precompile to app.mpy (Adafruit mpy-cross for CP 10.2.1, emits CircuitPython mpy v6) so the device loads bytecode without compiling -> no fragmentation. - build.sh precompiles pico-cp/app.py -> dist/app.mpy via tools/mpy-cross (gitignored binary); the bundle ships app.mpy (NOT app.py); serves pico-cp-app.mpy + pico-cp-app.py (the .py only for the editor's version regex + as readable reference). - Loader (code.py) imports app.mpy and rolls back app.bak as .mpy. - One-click updater now pushes the .mpy: editor base64-encodes it and sends it over the existing flow-controlled chunked transport (512-char = mult-of-4 chunks); the device base64-decodes each chunk to /app.new and verifies the CircuitPython .mpy header (magic 'C', v6, >=4KB) before the A/B install. Version still read from the served .py. Verified: mpy-cross emits magic 'C'/v6; build produces a 21.8KB app.mpy; editing-logic harness + scene render still pass; and a simulated push (base64 -> 57 chunks -> a2b_base64) reassembles the .mpy byte-exact and passes the device's header check. One-time recovery: delete app.py from the drive, copy app.mpy + code.py from the new zip. After that, updates are one-click again (and can't brick: header check + A/B rollback). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
66 lines
4.1 KiB
Bash
Executable file
66 lines
4.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Assemble the deployed single-file pages from source + shared partials + assets/.
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#
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# Every page (the Concepts landing, the editor app, and the device/form-factor
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# pages) is a source that shares code via markers:
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# /*@BUILD:include:src/<file>@*/ inlines a shared partial (engine, seed lists, base CSS, header/footer/chrome)
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# @BUILD:favicon@ / @BUILD:logo-*@ inline base64 assets (voices are all synthesized — no samples)
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# This resolves them so each built page in dist/ is one self-contained file
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# (zero deps, works fully offline). deploy.sh runs this first. dist/ is generated —
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# don't edit or commit it.
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set -euo pipefail
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cd "$(dirname "${BASH_SOURCE[0]}")"
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mkdir -p dist
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# Precompile the PM_K-1 CircuitPython firmware to .mpy. CircuitPython compiles a ~56KB .py at boot,
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# which fragments the heap and OOMs on the RP2040; a precompiled .mpy loads without compiling. Needs
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# Adafruit's mpy-cross matching the device's CircuitPython (10.2.1) -> emits CircuitPython mpy v6.
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MPYC="tools/mpy-cross"
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[[ -x "$MPYC" ]] || { echo "error: $MPYC missing (Adafruit mpy-cross for CircuitPython 10.2.1)" >&2; exit 1; }
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"$MPYC" pico-cp/app.py -o dist/app.mpy
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echo "precompiled dist/app.mpy ($(stat -c%s dist/app.mpy) bytes <- $(stat -c%s pico-cp/app.py) source)"
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python3 - <<'PY'
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import os, pathlib, re
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A = pathlib.Path("assets")
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def build(name):
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src = pathlib.Path(name).read_text()
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# 1) inline shared partials (function-replacement: no backslash/group interpretation)
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src = re.sub(r"/\*@BUILD:include:([^@]+)@\*/",
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lambda m: pathlib.Path(m.group(1)).read_text().rstrip("\n"), src)
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# 2) inline base64 assets (voices are all synthesized now — no samples)
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src = src.replace("@BUILD:favicon@", (A / "favicon.b64").read_text().strip())
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src = src.replace("@BUILD:logo-dark@", (A / "logo-dark.b64").read_text().strip())
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src = src.replace("@BUILD:logo-light@", (A / "logo-light.b64").read_text().strip())
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assert "@BUILD:" not in src, f"unresolved build marker(s) remain in {name}"
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out = pathlib.Path("dist") / name
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out.write_text(src)
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return out.stat().st_size
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for name in ("index.html","editor.html","player.html","teacher.html","stage.html","micro.html","showcase.html","kit.html",
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"embed.html",
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"info-editor.html","info-player.html","info-teacher.html","info-stage.html","info-micro.html","info-showcase.html","info-kit.html"):
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print("built %s (%dKB)" % (name, build(name) // 1024))
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pathlib.Path("dist/embed.js").write_text(pathlib.Path("embed.js").read_text()) # loader, served as-is
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print("copied embed.js")
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pathlib.Path("dist/pico-main.py").write_text(pathlib.Path("pico/main.py").read_text()) # PM_K-1 firmware, downloadable
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print("copied pico-main.py")
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_appsrc = pathlib.Path("pico-cp/app.py").read_text()
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# The A/B updater pushes app.py over USB-MIDI as 7-bit data, so it MUST be pure ASCII -- a stray
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# non-ASCII char (e.g. an em-dash in a comment) gets mangled to a NUL byte and bricks the device.
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_bad = [(i, c) for i, c in enumerate(_appsrc) if ord(c) > 0x7F]
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assert not _bad, "pico-cp/app.py has non-ASCII at %r -- keep it ASCII (version regex + clean source)" % (_bad[:5],)
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pathlib.Path("dist/pico-cp-app.py").write_text(_appsrc) # served for version reading + as readable reference
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# the editor pushes the PRECOMPILED .mpy (base64); serve it next to the source
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pathlib.Path("dist/pico-cp-app.mpy").write_bytes(pathlib.Path("dist/app.mpy").read_bytes())
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print("copied pico-cp-app.py + pico-cp-app.mpy")
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import zipfile # PM_K-1 CircuitPython drive bundle (download → unzip onto CIRCUITPY)
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with zipfile.ZipFile("dist/pm_k1_circuitpy.zip", "w", zipfile.ZIP_DEFLATED) as z:
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for f in ("code.py", "boot.py", "programs.json", "font_s.bin", "font_m.bin", "font_l.bin",
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"logo.bin", "midi.bin", "usb.bin", "README.md", "protect-firmware.sh"):
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z.write("pico-cp/" + f, f)
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z.write("dist/app.mpy", "app.mpy") # the precompiled firmware (NOT app.py - too big to compile on-device)
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z.write("dist/editor.html", "editor.html") # offline copy of the editor, on the drive
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print("zipped pm_k1_circuitpy.zip")
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PY
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