Add alternative operating modes: spectrum, scan, monitor, lband, track

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Firmware v3.02.0 adds three new vendor commands:
- 0xB7 SIGNAL_MONITOR: fast 8-byte combined signal read
- 0xB8 TUNE_MONITOR: tune + dwell + read in one round-trip
- 0xB9 MULTI_REG_READ: batch read up to 64 indirect registers

New tools/skywalker.py provides five modes that use the BCM4500's
AGC registers as a crude power detector across 950-2150 MHz IF,
even without demodulator lock:
- spectrum: sweep analyzer with ASCII/waterfall/matplotlib display
- scan: automated transponder scanner (sweep + peak detect + blind scan)
- monitor: real-time signal strength for dish alignment
- lband: direct input analyzer with L-band allocation annotations
- track: carrier/beacon tracker with CSV/JSON logging and drift detection

Extracts shared SkyWalker1 class and constants into skywalker_lib.py;
tune.py now imports from the shared library.

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This commit is contained in:

Ryan Malloy 2026-02-12 17:29:00 -07:00

parent b21f4957f6

commit 23055f34ab

4 changed files with 1756 additions and 312 deletions

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