The build requires the following:
- GNU Tools for ARM Embedded Processors toolchain (compiler, objcopy)
- STLINK software (uploading code to stm32f4)
- STM32 Standard Peripheral Libraries
arm-none-eabi-gcc and arm-none-eabi-objcopy should be in ${PATH}, ${ST_FLASH} contains a path to st-flash.
# clean up
make clean
# compile and link the project
make all
# upload the code to stm32f4 (requires root privileges)
make flash