DIvan2000/terminal-oscilloscope
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Author SHA1 Message Date
DIvan2000 bee679d3e1 Merge pull request #2 from DIvan2K/nix-flake 
Add Nix flake for reproducible build and NixOS support
 2026-04-25 22:07:33 +04:00
DIvan2000 0660130653 Merge pull request #1 from DIvan2K/runtime-config 
Add runtime CLI configuration (replace compile-time constants)
 2026-04-25 21:53:34 +04:00
DIvan2000 ff639015c2 docs(cli): update README and help text for runtime config 2026-04-24 19:51:28 +04:00
DIvan2000 659ec6af18 nix: add flake + devShell, ignore result 2026-04-24 19:35:15 +04:00
DIvan2000 5d969888fc runtime config via CLI instead of consts 2026-04-24 19:34:44 +04:00
rolandnsharpandClaude Opus 4.6 f2a94befaa Shrink braille demo GIF to under 15MB for Twitter 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-07 20:24:11 +10:00
rolandnsharpandClaude Opus 4.6 99e8839f4a Add global install instructions to README 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-07 20:17:38 +10:00
rolandnsharpandClaude Opus 4.6 7d886e8d1d Fix gain display precision, reorder README demos 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-07 20:15:57 +10:00
rolandnsharpandClaude Opus 4.6 7b7da1bca5 Add braille renderer with amber demo GIF 
- Braille canvas: 2×4 dots per cell (4× resolution vs half-blocks)
- Shared palettes, effects, and audio between both renderers
- README with both demos and build instructions for each

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-07 20:08:31 +10:00
rolandnsharpandClaude Opus 4.6 5dbd3ebfb6 Replace illwill with custom canvas — zero dependencies 
- Custom terminal canvas: one buffer, one write() per frame
- Threaded audio via Nim channels (20fps → 60fps)
- 6 phosphor palettes (green, amber, cyan, blue, white, red)
- All tuning constants at top of osc.nim
- No illwill dependency, binary 352KB → 200KB
- CRT effects use same palette as trace

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-07 17:33:45 +10:00
rolandnsharpandClaude Opus 4.6 cdd3523550 Remove graticule entirely 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 21:16:35 +10:00
rolandnsharpandClaude Opus 4.6 86a236f77d Remove grid toggle — graticule always on 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 21:14:51 +10:00
rolandnsharpandClaude Opus 4.6 b29170faf1 Higher resolution demo GIF (1040x780) 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:52:03 +10:00
rolandnsharpandClaude Opus 4.6 185c09776a Update demo GIF with green palette and zoom controls 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:50:37 +10:00
rolandnsharpandClaude Opus 4.6 93c8be6e48 Beam sweep stops at center where the trace begins 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:47:08 +10:00
rolandnsharpandClaude Opus 4.6 1c4ef163d7 Increase default gain and time zoom 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:45:23 +10:00
rolandnsharpandClaude Opus 4.6 5dc759e46a Match CRT effects to phosphor green palette — remove all cyan 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:44:13 +10:00
rolandnsharpandClaude Opus 4.6 a4f39f8494 Remove freeze functionality 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:25:19 +10:00
rolandnsharpandClaude Opus 4.6 eca991b685 Remove LIVE/NO SIGNAL label from HUD 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:24:09 +10:00
rolandnsharpandClaude Opus 4.6 c9a4e6eeae Thinner traces — horizontal-only bloom, no vertical bleed 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:21:09 +10:00
rolandnsharpandClaude Opus 4.6 9d65aa1f94 Remove C helper, use pure Nim dynlib imports; better defaults 
- Replaced avhelper.c with direct {.dynlib.} pragma imports
- Grid off by default
- Higher default gain and time zoom

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:08:12 +10:00
rolandnsharpandClaude Opus 4.6 2c04d7f034 Remove crosshair-only grid mode, keep grid on/off toggle 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 20:01:22 +10:00
rolandnsharpandClaude Opus 4.6 1f320b7ff1 Handle terminal resize dynamically 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 19:59:01 +10:00
rolandnsharp bec41a437e Remove diagnostic files from repo 2026-04-05 19:56:14 +10:00
rolandnsharpandClaude Opus 4.6 666af905f3 Fix AVPacket struct layout — was missing pts/dts fields 
The packet layout is buf(8), pts(8), dts(8), data(8), size(4),
stream_index(4). We had buf, data, size, stream_index — reading
the pts timestamp as the data pointer, so every packet was garbage.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 19:56:02 +10:00
rolandnsharpandClaude Opus 4.6 9599855766 Clean up stale comments and README 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 19:41:39 +10:00
rolandnsharpandClaude Opus 4.6 43a7997944 Remove demo signal generator 
Audio capture only — shows NO SIGNAL when libav can't connect.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 19:39:44 +10:00
rolandnsharpandClaude Opus 4.6 fb3a0cb77b Remove ffmpeg subprocess fallback 
Only two paths now: libav via dlopen, or demo signal.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 19:36:58 +10:00
rolandnsharpandClaude Opus 4.6 3fc7ed1c4e Use direct libav bindings via dlopen instead of ffmpeg subprocess 
Loads libavformat + libavdevice at runtime — no dev packages, no
subprocess, no pipe buffering. Falls back gracefully to ffmpeg
subprocess then demo mode if .so files aren't present.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 19:33:52 +10:00
rolandnsharp 3c9a9c7c89 Add MIT license 2026-04-05 14:10:18 +10:00
rolandnsharpandClaude Opus 4.6 94d5b2cf63 Rename crt → osc throughout 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 13:43:15 +10:00
rolandnsharpandClaude Opus 4.6 7ceac6c91f Add README with demo GIF 
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 12:47:30 +10:00
rolandnsharpandClaude Opus 4.6 448b303eba Terminal oscilloscope with CRT phosphor physics 
- CRT boot/shutdown animations (ported from AetherTune)
- Y-T (time-domain) and X-Y (Lissajous) display modes
- Phosphor persistence with bloom and decay
- Half-block rendering for 2x vertical resolution
- Live audio capture via ffmpeg/PulseAudio monitor
- Gain and time/div controls, grid toggle, freeze

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-05 12:43:48 +10:00