From 437b23e68cef3ecd711cd8cf5d0fd2f9ef5478d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Hamal=20Dvo=C5=99=C3=A1k?= <mordae@anilinux.org>
Date: Sun, 25 Feb 2024 18:55:40 +0100
Subject: [PATCH] Simple GNU Radio Companion worksheet for testing

---
 .gitignore      |   1 +
 grc/PicoSDR.grc | 635 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 636 insertions(+)
 create mode 100644 grc/PicoSDR.grc

diff --git a/.gitignore b/.gitignore
index 84c048a..c5d3b94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /build/
+/grc/*.py
diff --git a/grc/PicoSDR.grc b/grc/PicoSDR.grc
new file mode 100644
index 0000000..ebafdd1
--- /dev/null
+++ b/grc/PicoSDR.grc
@@ -0,0 +1,635 @@
+options:
+  parameters:
+    author: ''
+    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: PicoSDR
+    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: Pico SDR
+    window_size: (1000,1000)
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [8, 8]
+    rotation: 0
+    state: enabled
+
+blocks:
+- name: bpsk
+  id: variable_constellation
+  parameters:
+    comment: ''
+    const_points: '[-1-1j, -1+1j, 1+1j, 1-1j]'
+    dims: '1'
+    normalization: digital.constellation.AMPLITUDE_NORMALIZATION
+    precision: '8'
+    rot_sym: '4'
+    soft_dec_lut: None
+    sym_map: '[0, 1, 3, 2]'
+    type: bpsk
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [280, 8.0]
+    rotation: 0
+    state: true
+- name: samp_rate
+  id: variable
+  parameters:
+    comment: ''
+    value: 768_000 // 32
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [176, 8.0]
+    rotation: 0
+    state: enabled
+- name: analog_quadrature_demod_cf_0
+  id: analog_quadrature_demod_cf
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    gain: samp_rate/(2 * math.pi * (samp_rate / 8))
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [512, 568.0]
+    rotation: 0
+    state: true
+- name: blocks_complex_to_mag_squared_0
+  id: blocks_complex_to_mag_squared
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [704, 440.0]
+    rotation: 0
+    state: true
+- name: blocks_interleaved_char_to_complex_0
+  id: blocks_interleaved_char_to_complex
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    scale_factor: '127'
+    vector_input: 'False'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [224, 208.0]
+    rotation: 0
+    state: true
+- name: blocks_nlog10_ff_0
+  id: blocks_nlog10_ff
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    k: '0'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    n: '10'
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [888, 432.0]
+    rotation: 0
+    state: true
+- name: digital_costas_loop_cc_0
+  id: digital_costas_loop_cc
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    order: '2'
+    use_snr: 'False'
+    w: 2 * math.pi / 100
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [704, 288.0]
+    rotation: 0
+    state: true
+- name: import_0
+  id: import
+  parameters:
+    alias: ''
+    comment: ''
+    imports: import math
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [440, 8.0]
+    rotation: 0
+    state: true
+- name: low_pass_filter_1
+  id: low_pass_filter
+  parameters:
+    affinity: ''
+    alias: ''
+    beta: '6.76'
+    comment: ''
+    cutoff_freq: '1250'
+    decim: '1'
+    gain: '4'
+    interp: '1'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    samp_rate: samp_rate
+    type: fir_filter_fff
+    width: '500'
+    win: window.WIN_HAMMING
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [704, 516.0]
+    rotation: 0
+    state: true
+- name: network_tcp_source_0
+  id: network_tcp_source
+  parameters:
+    addr: 127.0.0.1
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    port: '1234'
+    server: 'True'
+    type: byte
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [48, 200.0]
+    rotation: 0
+    state: true
+- name: qtgui_const_sink_x_0
+  id: qtgui_const_sink_x
+  parameters:
+    affinity: ''
+    alias: ''
+    alpha1: '1.0'
+    alpha10: '1.0'
+    alpha2: '1.0'
+    alpha3: '1.0'
+    alpha4: '1.0'
+    alpha5: '1.0'
+    alpha6: '1.0'
+    alpha7: '1.0'
+    alpha8: '1.0'
+    alpha9: '1.0'
+    autoscale: 'False'
+    axislabels: 'True'
+    color1: '"blue"'
+    color10: '"red"'
+    color2: '"red"'
+    color3: '"red"'
+    color4: '"red"'
+    color5: '"red"'
+    color6: '"red"'
+    color7: '"red"'
+    color8: '"red"'
+    color9: '"red"'
+    comment: ''
+    grid: 'True'
+    gui_hint: ''
+    label1: ''
+    label10: ''
+    label2: ''
+    label3: ''
+    label4: ''
+    label5: ''
+    label6: ''
+    label7: ''
+    label8: ''
+    label9: ''
+    legend: 'True'
+    marker1: '0'
+    marker10: '0'
+    marker2: '0'
+    marker3: '0'
+    marker4: '0'
+    marker5: '0'
+    marker6: '0'
+    marker7: '0'
+    marker8: '0'
+    marker9: '0'
+    name: '""'
+    nconnections: '1'
+    size: int(samp_rate // 30)
+    style1: '0'
+    style10: '0'
+    style2: '0'
+    style3: '0'
+    style4: '0'
+    style5: '0'
+    style6: '0'
+    style7: '0'
+    style8: '0'
+    style9: '0'
+    tr_chan: '0'
+    tr_level: '0.0'
+    tr_mode: qtgui.TRIG_MODE_FREE
+    tr_slope: qtgui.TRIG_SLOPE_POS
+    tr_tag: '""'
+    type: complex
+    update_time: 1/30
+    width1: '1'
+    width10: '1'
+    width2: '1'
+    width3: '1'
+    width4: '1'
+    width5: '1'
+    width6: '1'
+    width7: '1'
+    width8: '1'
+    width9: '1'
+    xmax: '1'
+    xmin: '-1'
+    ymax: '1'
+    ymin: '-1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1000, 272.0]
+    rotation: 0
+    state: true
+- name: qtgui_number_sink_1
+  id: qtgui_number_sink
+  parameters:
+    affinity: ''
+    alias: ''
+    autoscale: 'False'
+    avg: '0.001'
+    color1: ("black", "black")
+    color10: ("black", "black")
+    color2: ("black", "black")
+    color3: ("black", "black")
+    color4: ("black", "black")
+    color5: ("black", "black")
+    color6: ("black", "black")
+    color7: ("black", "black")
+    color8: ("black", "black")
+    color9: ("black", "black")
+    comment: ''
+    factor1: '1'
+    factor10: '1'
+    factor2: '1'
+    factor3: '1'
+    factor4: '1'
+    factor5: '1'
+    factor6: '1'
+    factor7: '1'
+    factor8: '1'
+    factor9: '1'
+    graph_type: qtgui.NUM_GRAPH_HORIZ
+    gui_hint: ''
+    label1: ''
+    label10: ''
+    label2: ''
+    label3: ''
+    label4: ''
+    label5: ''
+    label6: ''
+    label7: ''
+    label8: ''
+    label9: ''
+    max: '0'
+    min: '-60'
+    name: '"RSSI"'
+    nconnections: '1'
+    type: float
+    unit1: ''
+    unit10: ''
+    unit2: ''
+    unit3: ''
+    unit4: ''
+    unit5: ''
+    unit6: ''
+    unit7: ''
+    unit8: ''
+    unit9: ''
+    update_time: 1/30
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1000, 400.0]
+    rotation: 0
+    state: true
+- name: qtgui_time_sink_x_0
+  id: qtgui_time_sink_x
+  parameters:
+    affinity: ''
+    alias: ''
+    alpha1: '1.0'
+    alpha10: '1.0'
+    alpha2: '1.0'
+    alpha3: '1.0'
+    alpha4: '1.0'
+    alpha5: '1.0'
+    alpha6: '1.0'
+    alpha7: '1.0'
+    alpha8: '1.0'
+    alpha9: '1.0'
+    autoscale: 'False'
+    axislabels: 'True'
+    color1: blue
+    color10: dark blue
+    color2: red
+    color3: green
+    color4: black
+    color5: cyan
+    color6: magenta
+    color7: yellow
+    color8: dark red
+    color9: dark green
+    comment: ''
+    ctrlpanel: 'False'
+    entags: 'True'
+    grid: 'False'
+    gui_hint: ''
+    label1: Signal 1
+    label10: Signal 10
+    label2: Signal 2
+    label3: Signal 3
+    label4: Signal 4
+    label5: Signal 5
+    label6: Signal 6
+    label7: Signal 7
+    label8: Signal 8
+    label9: Signal 9
+    legend: 'True'
+    marker1: '-1'
+    marker10: '-1'
+    marker2: '-1'
+    marker3: '-1'
+    marker4: '-1'
+    marker5: '-1'
+    marker6: '-1'
+    marker7: '-1'
+    marker8: '-1'
+    marker9: '-1'
+    name: '""'
+    nconnections: '1'
+    size: int(samp_rate // 30)
+    srate: samp_rate
+    stemplot: 'False'
+    style1: '1'
+    style10: '1'
+    style2: '1'
+    style3: '1'
+    style4: '1'
+    style5: '1'
+    style6: '1'
+    style7: '1'
+    style8: '1'
+    style9: '1'
+    tr_chan: '0'
+    tr_delay: '0'
+    tr_level: '0.0'
+    tr_mode: qtgui.TRIG_MODE_FREE
+    tr_slope: qtgui.TRIG_SLOPE_POS
+    tr_tag: '""'
+    type: complex
+    update_time: 1/30
+    width1: '1'
+    width10: '1'
+    width2: '1'
+    width3: '1'
+    width4: '1'
+    width5: '1'
+    width6: '1'
+    width7: '1'
+    width8: '1'
+    width9: '1'
+    ylabel: Amplitude
+    ymax: '1'
+    ymin: '-1'
+    yunit: '""'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [704, 200.0]
+    rotation: 0
+    state: true
+- name: qtgui_time_sink_x_0_0
+  id: qtgui_time_sink_x
+  parameters:
+    affinity: ''
+    alias: ''
+    alpha1: '1.0'
+    alpha10: '1.0'
+    alpha2: '1.0'
+    alpha3: '1.0'
+    alpha4: '1.0'
+    alpha5: '1.0'
+    alpha6: '1.0'
+    alpha7: '1.0'
+    alpha8: '1.0'
+    alpha9: '1.0'
+    autoscale: 'False'
+    axislabels: 'True'
+    color1: blue
+    color10: dark blue
+    color2: red
+    color3: green
+    color4: black
+    color5: cyan
+    color6: magenta
+    color7: yellow
+    color8: dark red
+    color9: dark green
+    comment: ''
+    ctrlpanel: 'False'
+    entags: 'True'
+    grid: 'False'
+    gui_hint: ''
+    label1: Signal 1
+    label10: Signal 10
+    label2: Signal 2
+    label3: Signal 3
+    label4: Signal 4
+    label5: Signal 5
+    label6: Signal 6
+    label7: Signal 7
+    label8: Signal 8
+    label9: Signal 9
+    legend: 'True'
+    marker1: '-1'
+    marker10: '-1'
+    marker2: '-1'
+    marker3: '-1'
+    marker4: '-1'
+    marker5: '-1'
+    marker6: '-1'
+    marker7: '-1'
+    marker8: '-1'
+    marker9: '-1'
+    name: '"FSK"'
+    nconnections: '1'
+    size: (samp_rate // 30)
+    srate: samp_rate
+    stemplot: 'False'
+    style1: '1'
+    style10: '1'
+    style2: '1'
+    style3: '1'
+    style4: '1'
+    style5: '1'
+    style6: '1'
+    style7: '1'
+    style8: '1'
+    style9: '1'
+    tr_chan: '0'
+    tr_delay: '0'
+    tr_level: '0.0'
+    tr_mode: qtgui.TRIG_MODE_FREE
+    tr_slope: qtgui.TRIG_SLOPE_POS
+    tr_tag: '""'
+    type: float
+    update_time: 1/30
+    width1: '1'
+    width10: '1'
+    width2: '1'
+    width3: '1'
+    width4: '1'
+    width5: '1'
+    width6: '1'
+    width7: '1'
+    width8: '1'
+    width9: '1'
+    ylabel: Amplitude
+    ymax: '8'
+    ymin: '-8'
+    yunit: '""'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1000, 544.0]
+    rotation: 0
+    state: true
+- name: qtgui_waterfall_sink_x_0_0
+  id: qtgui_waterfall_sink_x
+  parameters:
+    affinity: ''
+    alias: ''
+    alpha1: '1.0'
+    alpha10: '1.0'
+    alpha2: '1.0'
+    alpha3: '1.0'
+    alpha4: '1.0'
+    alpha5: '1.0'
+    alpha6: '1.0'
+    alpha7: '1.0'
+    alpha8: '1.0'
+    alpha9: '1.0'
+    axislabels: 'True'
+    bw: samp_rate
+    color1: '0'
+    color10: '0'
+    color2: '0'
+    color3: '0'
+    color4: '0'
+    color5: '0'
+    color6: '0'
+    color7: '0'
+    color8: '0'
+    color9: '0'
+    comment: ''
+    fc: '0'
+    fftsize: '1024'
+    freqhalf: 'True'
+    grid: 'False'
+    gui_hint: ''
+    int_max: '10'
+    int_min: '-140'
+    label1: ''
+    label10: ''
+    label2: ''
+    label3: ''
+    label4: ''
+    label5: ''
+    label6: ''
+    label7: ''
+    label8: ''
+    label9: ''
+    legend: 'True'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    name: '"RF"'
+    nconnections: '1'
+    showports: 'False'
+    type: complex
+    update_time: 1/30
+    wintype: window.WIN_BLACKMAN_hARRIS
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [704, 96.0]
+    rotation: 0
+    state: true
+
+connections:
+- [analog_quadrature_demod_cf_0, '0', low_pass_filter_1, '0']
+- [blocks_complex_to_mag_squared_0, '0', blocks_nlog10_ff_0, '0']
+- [blocks_interleaved_char_to_complex_0, '0', analog_quadrature_demod_cf_0, '0']
+- [blocks_interleaved_char_to_complex_0, '0', blocks_complex_to_mag_squared_0, '0']
+- [blocks_interleaved_char_to_complex_0, '0', digital_costas_loop_cc_0, '0']
+- [blocks_interleaved_char_to_complex_0, '0', qtgui_time_sink_x_0, '0']
+- [blocks_interleaved_char_to_complex_0, '0', qtgui_waterfall_sink_x_0_0, '0']
+- [blocks_nlog10_ff_0, '0', qtgui_number_sink_1, '0']
+- [digital_costas_loop_cc_0, '0', qtgui_const_sink_x_0, '0']
+- [low_pass_filter_1, '0', qtgui_time_sink_x_0_0, '0']
+- [network_tcp_source_0, '0', blocks_interleaved_char_to_complex_0, '0']
+
+metadata:
+  file_format: 1
+  grc_version: 3.10.6.0