GDB-OpenOCD Chain Debug Toolchain Debug Toolchain GDB Client TCP :3333 OpenOCD Server USB CMSIS-DAP Probe SWD RP2350 Target GDB Commands target remote :3333 Connect to OpenOCD monitor reset halt Reset + stop at entry break main Set breakpoint info registers Dump all regs SWD Protocol 2 wires only SWCLK = clock SWDIO = data Capabilities Read/write memory Read/write regs Set breakpoints Full chip control