MCP/gr-mcp
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4 Commits

Author SHA1 Message Date
Ryan Malloy
2405bf5535 examples: replace rtl_fm tuning with GNU Radio XML-RPC control 
The --tune flag now builds an FM receiver from a GRC template,
compiles it with grcc, launches it as a subprocess, and tunes
via XML-RPC — the same mechanism gr-mcp uses for runtime
parameter changes. Includes an interactive freq> prompt for
live re-tuning without restarting the flowgraph.
 2026-01-28 20:46:20 -07:00
Ryan Malloy
b6a031acc2 examples: add live tuning to FM scanner 
--tune flag scans the band then tunes to a station using rtl_fm
piped to aplay. Supports interactive station picker (--tune) or
direct frequency (--tune 102.0).
 2026-01-28 20:30:49 -07:00
Ryan Malloy
b2880a85ee examples: add FM band scanner using rtl_power 
Scans 87.5–108.0 MHz in 200 kHz bins, detects stations above the
noise floor, and displays a ranked signal-strength table. Supports
--json export, --threshold tuning, and --gain control.
 2026-01-28 20:26:40 -07:00
Ryan Malloy
97248fc069 examples: first autonomous FM capture — Pitbull on 101.1 MHz 
LLM-driven SDR session recorded 2026-01-28T15:05:21-07:00.
Built flowgraph via MCP tools, launched in Docker with RTL-SDR
USB passthrough, captured 128s of WBFM audio to WAV.

Song identified via songrec/Shazam: "Damn I Love Miami"
by Pitbull & Lil Jon.

Signal chain: RTL2838 → osmocom source (2.4 MS/s)
→ LPF (100 kHz, ÷5) → WBFM demod (÷10) → 48 kHz WAV

Includes GRC flowgraph, WAV recording, and helper scripts.
 2026-01-28 15:07:39 -07:00