shawn/pi-multifx-pedal
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0e77adb4c3fa3a875ed62bbd4a0d6ffae534e7b1
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3 Commits

Author SHA1 Message Date
shawn 0e77adb4c3 Build IR convolution engine 
- Full FFT overlap-add IR convolution in IRLoader (process(), set_mix(), toggle)
- Lazy FFT computation — IR FFT padded to correct block+ir size on first process()
- Wet/dry mix control, enabled/disabled toggle with tail clearing
- Fixed pipeline._apply_ir_cab() to delegate to IRLoader.process() instead of
  poking internals (old code had array-size mismatch bug: IR FFT at ir_len vs
  block FFT at conv_size)
- 46 tests: loading, convolution correctness, overlap-add state, mix, toggle,
  directory listing, performance budget (all <5ms even at 8192 taps), edge cases
- scripts/download_irs.sh: free IR pack downloader (God's Cab, Seacow)
 2026-06-07 23:46:02 -04:00
shawn c38a7b0fd8 Add main entry point + systemd services + integration tests 
New files:
  main.py                   - PedalApp: boots all subsystems in order,
                              wires MIDI/footswitch callbacks, graceful
                              teardown reverses boot order
  src/system/config.py      - YAML config loader with deep-merge
                              (separated to avoid hardware deps)
  src/system/services.py    - systemd unit generator for pedal.service
                              + multi-fx-pedal.target
  scripts/install_service.sh - copies project, creates venv, installs
                              + enables service units
  tests/test_integration.py - 41 tests: boot, routing, display sync,
                              teardown, systemd content, CLI, edge cases

Modified:
  tests/conftest.py         - add project root to sys.path
 2026-06-07 23:39:50 -04:00
shawn ed29748a62 Initial scaffold: Pi Multi-FX Pedal with NAM A2, IR cab, multi-FX, MIDI, stomp UI 2026-06-07 23:22:43 -04:00