OpenOCD J-Link ST-Link Debug

Overview

Use this skill to debug probe sessions by separating physical wiring, probe firmware, target voltage, reset strategy, transport, target script, flash algorithm, and GDB behavior. Probe failures are often reset or adapter issues.

When To Use

Use this skill when:

• The user cannot connect, halt, reset, flash, erase, verify, or attach with OpenOCD, J-Link, ST-Link, CMSIS-DAP, pyOCD, or GDB.
• The issue involves SWD/JTAG wiring, adapter speed, reset config, target scripts, flash loaders, protected devices, semihosting, RTT, or multicore.
• The same firmware behaves differently under debugger and standalone boot.