echo Install rpitx - some package need internet connection -

sudo apt-get update
sudo apt-get install -y libsndfile1-dev git
sudo apt-get install -y imagemagick libfftw3-dev
#For rtl-sdr use
sudo apt-get install -y rtl-sdr buffer
# We use CSDR as a dsp for analogs modes thanks to HA7ILM
git clone https://github.com/simonyiszk/csdr
cd csdr
make && sudo make install
cd ../

cd src
git clone https://github.com/F5OEO/librpitx
cd librpitx/src
make
cd ../../
make 
sudo make install
cd ..


read -p "In order to run properly, rpitx need to modify /boot/config.txt. Are you sure (y/n) " CONT

if [ "$CONT" = "y" ]; then
  echo "Set GPU to 250Mhz in order to be stable"
   LINE='gpu_freq=250'
   FILE='/boot/config.txt' 
   grep -qF "$LINE" "$FILE"  || echo "$LINE" | sudo tee --append "$FILE"
   echo "Installation completed !"
else
  echo "Warning : Rpitx should be instable and stop from transmitting !";
fi