using Plots;
using DSP;

# read I/Q samples
data = reinterpret(Complex{Float32}, read("/home/domagoj/gqrx_20190101_165640_97192000_1800000_fc.raw"));


# create and 24th order Butterworth bandpass filter to sample array
responsetype = Bandpass(50, 150000; fs=1800000);
prototype = Butterworth(24);
db = filt(digitalfilter(responsetype, prototype), data);

# generate and plot 4096-FFT results
#db = data;
windowSize = 1024;
n = floor(Int, size(db,1)/windowSize);
for i in 1:n
    plot(db[(i-1)*windowSize+1:i*windowSize])
    ylims!(-1,1)
    xlims!(-1,1)
    gui();
    sleep(0.04)
end

# EOF