4fsk.grc

options:
  parameters:
    author: rob
    catch_exceptions: 'True'
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: M17_4fsk
    max_nouts: '0'
    output_language: python
    placement: (0,0)
    qt_qss_theme: ''
    realtime_scheduling: ''
    run: 'True'
    run_command: '{python} -u {filename}'
    run_options: prompt
    sizing_mode: fixed
    thread_safe_setters: ''
    title: M17_4fsk
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 8]
    rotation: 0
    state: enabled

blocks:
- name: deviation
  id: variable
  parameters:
    comment: Unit of deviation in Hz (this * symbol value is symbol deviation in Hz)
    value: '800'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 156.0]
    rotation: 0
    state: enabled
- name: interpolation_rate
  id: variable
  parameters:
    comment: ''
    value: '128'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [288, 12.0]
    rotation: 0
    state: enabled
- name: sample_rate
  id: variable
  parameters:
    comment: This must be at least 512k for PlutoSDR
    value: symbol_rate * interpolation_rate
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 76.0]
    rotation: 0
    state: enabled
- name: symbol_rate
  id: variable
  parameters:
    comment: ''
    value: '4800'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 12.0]
    rotation: 0
    state: enabled
- name: analog_frequency_modulator_fc_0
  id: analog_frequency_modulator_fc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    sensitivity: deviation * 2 * 3.141592 / sample_rate
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 748.0]
    rotation: 0
    state: true
- name: blocks_file_source_0
  id: blocks_file_source
  parameters:
    affinity: ''
    alias: ''
    begin_tag: pmt.PMT_NIL
    comment: ''
    file: /home/rob/m17.bin
    length: '0'
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    repeat: 'True'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [24, 252.0]
    rotation: 0
    state: true
- name: blocks_repack_bits_bb_0
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'False'
    comment: ''
    endianness: gr.GR_MSB_FIRST
    k: '8'
    l: '2'
    len_tag_key: '""'
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [248, 276.0]
    rotation: 0
    state: true
- name: digital_chunks_to_symbols_xx_0
  id: digital_chunks_to_symbols_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    dimension: '1'
    in_type: byte
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    out_type: float
    symbol_table: '[+1.0,+3.0,-1.0,-3.0]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [488, 288.0]
    rotation: 0
    state: true
- name: iio_pluto_sink_0
  id: iio_pluto_sink
  parameters:
    affinity: ''
    alias: ''
    attenuation1: '20.0'
    auto_filter: 'True'
    bandwidth: sample_rate // 2
    buffer_size: '32768'
    comment: ''
    cyclic: 'False'
    filter: ''
    frequency: '144910000'
    samplerate: sample_rate
    uri: ip:192.168.2.1
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [488, 684.0]
    rotation: 0
    state: true
- name: qtgui_sink_x_0
  id: qtgui_sink_x
  parameters:
    affinity: ''
    alias: ''
    bw: sample_rate/2
    comment: ''
    fc: '0'
    fftsize: '1024'
    gui_hint: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    name: '""'
    plotconst: 'True'
    plotfreq: 'True'
    plottime: 'True'
    plotwaterfall: 'True'
    rate: '10'
    showports: 'False'
    showrf: 'False'
    type: float
    wintype: firdes.WIN_HAMMING
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [488, 548.0]
    rotation: 0
    state: enabled
- name: root_raised_cosine_filter_0
  id: root_raised_cosine_filter
  parameters:
    affinity: ''
    alias: ''
    alpha: '0.5'
    comment: ''
    decim: '1'
    gain: interpolation_rate
    interp: interpolation_rate
    maxoutbuf: '0'
    minoutbuf: '0'
    ntaps: interpolation_rate*11+1
    samp_rate: interpolation_rate
    sym_rate: '1'
    type: interp_fir_filter_fff
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [488, 388.0]
    rotation: 180
    state: true

connections:
- [analog_frequency_modulator_fc_0, '0', iio_pluto_sink_0, '0']
- [blocks_file_source_0, '0', blocks_repack_bits_bb_0, '0']
- [blocks_repack_bits_bb_0, '0', digital_chunks_to_symbols_xx_0, '0']
- [digital_chunks_to_symbols_xx_0, '0', root_raised_cosine_filter_0, '0']
- [root_raised_cosine_filter_0, '0', analog_frequency_modulator_fc_0, '0']
- [root_raised_cosine_filter_0, '0', qtgui_sink_x_0, '0']

metadata:
  file_format: 1