Smittix c0c066904c Fix Morse decoder scope events not reaching frontend ...

Replace blocking rtl_stdout.read() with select()+os.read() so the
decoder thread emits diagnostic heartbeat scope events when rtl_fm
produces no PCM data (common in direct sampling mode). Add waiting-state
rendering in the scope canvas and hide the generic placeholder/status
bar for morse mode.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-26 09:30:58 +00:00

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