Add direct power trace foundation - #2
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Extract backend-neutral control and math helpers for the tinySA prerequisites. Preserve finite IQ averaging, peak decay, noise-floor calculation, and RX session behavior. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Use N intervals across an N-bin IQ FFT span. Share bin windows and frequency conversion across spectrum rendering, waterfall columns, and peak-jump tuning. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Address musithang#14 review with documented availability and parameter contracts, buffer preconditions, and boundary regressions. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Use containing FFT intervals for cursor and marker lookup. Extend the final rendered interval and derive waterfall columns from each drawn row. Use captured-frame coordinates for lab peaks and recall. Address the approved geometry review of musithang#12. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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…sition-preparation Share acquisition transitions and spectrum statistics
…metry-preparation Align spectrum and waterfall bin geometry
Keep existing IQ profiles at -120 to 0 dBFS with a 500 ms trace-age limit. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Address musithang#13 review with shared range-safe zoom, explicit display validation, capability-based initialization, and budget-aware FFT pacing. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
…bility-preparation Move display ranges into device capabilities
Add backend-neutral calibrated trace acquisition, measured-point publication, power RX control, and capability-aware layout fallback. Preserve IQ behavior through the shared prerequisite contracts. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Upstream review: musithang#7. The prerequisites are musithang#12, musithang#13, and musithang#14. This stack adds support for spectrum analyzers that report calibrated power traces.
sdrtop only supported sample-streaming receivers. These analyzers had no accurate path into its spectrum and waterfall views.
This PR adds direct power acquisition, measured-point geometry, the power worker and RX control, and capability-aware layouts. #3 builds the tinySA backend on this foundation.