Build and Test Environment based on Ubuntu 16.04 LTS for the My F4-Mini board
sudo apt-get update
sudo apt install gcc-arm-none-eabi
sudo apt-get install python-serial
sudo apt-get install cu
cd ~/main/
make t
Change to STM32 uart write mode
Press the RESET while pressing the SW0
If write and view uart debug
make f
If only write
make ff