IQ visualisation on RPi 
=======================


== Installation:
(Debian/Raspbian)

# rtl-sdr dependencies 
sudo apt-get install cmake
sudo apt-get install libusb-1.0-0-dev

# rtl-sdr library from source
git clone git://git.osmocom.org/rtl-sdr.git
cd rtl-sdr/

# set udev and modprobe rules
sudo cp rtl-sdr.rules /etc/udev/rules.d/
sudo cat <<EOF > /etc/modprobe.d/rtlsdr-blacklist.conf
blacklist dvb_usb_rtl28xxu
EOF
# compile rtl-sdr
mkdir build
cd build/
cmake ..
make
sudo make install

# make sure we got rid of default dvb kernel driver
rmmod -f dvb_usb_rtl28xxu

# frequensea

git clone https://github.com/fdb/frequensea.git
cd frequensea/rpi-fdb/
make

ls -al ./iqvis


== Usage

startup without parameters, usefull keys : '<' and '>' to scroll through spectrum

./iqvis