id: goertzel_fc
label: Goertzel

parameters:
-   id: rate
    label: Rate
    dtype: int
-   id: len
    label: Length
    dtype: int
-   id: freq
    label: Frequency
    dtype: real

inputs:
-   domain: stream
    dtype: float

outputs:
-   domain: stream
    dtype: complex

templates:
    imports: from gnuradio import fft
    make: fft.goertzel_fc(${rate}, ${len}, ${freq})
    callbacks:
    - set_freq(${freq})
    - set_rate(${rate})

file_format: 1