maxatslega / embedded-rust-esp32

Embedded Rust Example for ESP32

Useful Commands for ARM Cortex-M Development and Debugging

Setting Up and Running OpenOCD

• Starting OpenOCD for STMicroelectronics NUCLEO Boards:

  openocd -f board/st_nucleo_f7.cfg
  

Starting and Using GDB

• Starting GDB with Your Binary:

  arm-none-eabi-gdb target/thumbv7em-none-eabihf/debug/your_project_name

• Connecting GDB to OpenOCD:

  target remote :3333

• Loading the Program onto the Board:

  load

• Running the Program:

  continue

• Interrupting the Program Execution:

  Ctrl+C

• Detaching GDB from the Target:

  detach

• Exiting GDB:

  quit

Additional Debugging Commands

• Disassembling the Code:

  arm-none-eabi-objdump -Cd target/thumbv7em-none-eabihf/debug/your_project_name

• Reading ELF File Headers:

  arm-none-eabi-readelf -h target/thumbv7em-none-eabihf/debug/your_project_name

• Setting a Breakpoint:

  break [function_name or file_name:line_number]

• Viewing the Source Code:

  list

• Stepping Through the Code:

  • Next Line (Step Over):

    next

  • Into a Function (Step In):

    step

• Inspecting Variables:

  print [variable_name]

• Examining Memory:

  x/[length][format] [address]

• Viewing Register Values:

  info registers