How to build MMDVM repeater firmware for 12MHz V3F446

rpi-rw;
cd ~

#Pull new code from github
sudo git clone https://github.com/g4klx/MMDVM.git
cd MMDVM

#Add STM32F4XX_Lib directory
sudo git clone https://github.com/juribeparada/STM32F4XX_Lib.git

#Download Config.h for 12MHz, ensure the Config.h use 12MHz
curl -OL https://www.bi7jta.org/files/fm-patch/firmware/Config.h

#Compile hex file
sudo make clean;
sudo make dvm;

#Firmware will output to bin/mmdvm_f4.hex