b22cadb429
- Add FT601Connection in radar_protocol.py using ftd3xx library with proper setChipConfiguration re-enumeration handling (close, wait 2s, re-open) and 4-byte write alignment - Add USB Interface dropdown to V65 Tk GUI (FT2232H default, FT601 option) - Add USB Interface combo to V7 PyQt dashboard with Live/File mode toggle - Fix mock frame_start bit 7 in both FT2232H and FT601 connections - Use FPGA range data from USB packets instead of recomputing in Python - Export FT601Connection from v7/hardware.py and v7/__init__.py - Add 7 FT601Connection tests (91 total in test_GUI_V65_Tk.py)