picoruby

Start an on-device GDB debugging session for r2p2 PicoRuby/FemtoRuby firmware on a real Raspberry Pi Pico (RP2040 / RP2350) over SWD, driving openocd and gdb inside tmux panes. Use when the user wants to debug on real hardware (jikki / on-device), e.g. "pico2…