B4L/mppt-testbench
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Author SHA1 Message Date
grabowski
3f65b5f2f2 Add plot-sweep command, degauss buttons, sweep ramp-down, and time estimate 
- Add offline `plot-sweep` CLI command: generates efficiency overlay,
  heatmap, and power loss plots from sweep CSV (no instruments needed)
- Add degauss buttons to CH5/CH6 in GUI (sends :DEMAg SCPI command)
- Gradual load ramp-down at end of 2D sweep to avoid transients
- Live sweep time estimate in GUI based on grid size × settle time
- Update HIOKI submodule to include degauss CLI command

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-12 16:31:33 +07:00
grabowski
05f23d6417 Add HIOKI channel range controls and live range display 
- GUI: voltage/current range selectors for Ch5 and Ch6 with AUTO option
- Worker: queries current V/I ranges each poll cycle, pushes to GUI
- Setting a fixed range automatically disables auto-range for that channel
- Live display shows current range values below each channel's readout

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-11 15:30:10 +07:00
grabowski
956be4b77a Add shade profiles, 2D V×I sweep, meter format toggle, ON/OFF indicators, and GUI console 
- Shade profile: CSV-driven irradiance/voltage sequences with load control
  (bench.run_shade_profile, CLI shade-profile command, GUI profile panel)
- 2D sweep: voltage × load current efficiency map with live graph updates
  (bench.sweep_vi, CLI sweep-vi command, GUI sweep panel with background thread)
- GUI: meter format selector (scientific/normal), supply/load ON/OFF indicators,
  console log with stdout redirect and color-coded messages
- Sample profiles: cloud_pass, partial_shade, intermittent_clouds

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-11 15:27:48 +07:00
grabowski
e2be7109b7 Add GUI control panel with live measurements and full instrument control 
New `mppt-gui` command launches a tkinter app with:
- Live numeric readouts for all 13 measurement channels
- 4-panel real-time matplotlib graphs (power, efficiency, voltage, current)
- Full supply control: voltage, current, OVP, slew, output on/off
- Full load control: mode (CC/CR/CV/CP), setpoint, slew, load on/off
- Meter settings: wiring mode, response speed, coupling per channel
- CSV data logging with start/stop control
- Red SAFE OFF button (also Escape key) bypasses command queue
- Threaded architecture: instrument I/O never blocks the GUI
- Fix apply() silently failing: use set_current + set_voltage instead

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-11 13:42:07 +07:00