---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# st-util

> Run GDB (GNU Debugger) server to interact with STM32 ARM Cortex microcontoller.
> More information: <https://github.com/stlink-org/stlink/blob/testing/doc/man/st-util.md>.

- Run GDB server on port 4500:

`st-util {{[-p|--listen_port]}} {{4500}}`

- [Interactive] Connect to GDB server within `gdb`:

`target extended-remote {{localhost}}:{{4500}}`

- [Interactive] Write firmware to device:

`load {{firmware.elf}}`