Nucleo F411RE Bare Metal Development setup

The program does not make use of HAL and CMSIS drivers, or an IDE.

Files

• main.c - contains MCU code, a round-robin scheduler
• led.c - contains code for initializing 4 LEDs
• stm32_startup.c - contains vector table and reset handler
• stm32f411re_linkerscipt.ld - the linker script describes how data is written on the mcu
• syscalls.c - the program uses standard library
• Makefile - for automating of compilation

Dependencies

The compilation and flashing work with:

arm-none-eabi-gcc (GNU Arm Embedded Toolchain 10-2020-q4-major) 10.2.1 20201103 (release)

xPack OpenOCD, x86_64 Open On-Chip Debugger 0.10.0+dev

How to use

Download the code, go to the folder and run

make clean

make - that will generate an final.elf file which you can flash

make semi - that will generate a final_sh.elf file which makes usage of standard library

make load - that will start OpenOCD