From e6bbb6cdc594e2e8b8364e2ae552504fbc4bc7d6 Mon Sep 17 00:00:00 2001
From: Wojciech Kaczmarski <44336093+sp5wwp@users.noreply.github.com>
Date: Thu, 19 Sep 2024 17:24:16 +0200
Subject: [PATCH] rtl-sdr receiver flowgraph update

---
 examples/receiverRTLSDR.grc | 309 +++++++++++++++++++-----------------
 1 file changed, 164 insertions(+), 145 deletions(-)

diff --git a/examples/receiverRTLSDR.grc b/examples/receiverRTLSDR.grc
index 1f32f04..0feb853 100644
--- a/examples/receiverRTLSDR.grc
+++ b/examples/receiverRTLSDR.grc
@@ -28,7 +28,7 @@ options:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [48, 24.0]
+    coordinate: [8, 8]
     rotation: 0
     state: enabled
 
@@ -42,16 +42,16 @@ blocks:
     min_len: '200'
     orient: QtCore.Qt.Horizontal
     rangeType: float
-    start: '-100'
+    start: '-10'
     step: '0.1'
-    stop: '100'
-    value: '0'
+    stop: '10'
+    value: '1.2'
     widget: counter_slider
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [328, 32.0]
+    coordinate: [296, 12.0]
     rotation: 0
     state: true
 - name: rf_gain
@@ -66,13 +66,13 @@ blocks:
     start: '0'
     step: '1'
     stop: '49'
-    value: '10'
+    value: '15'
     widget: counter_slider
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [432, 32.0]
+    coordinate: [416, 12.0]
     rotation: 0
     state: true
 - name: samp_rate
@@ -84,7 +84,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [232, 32.0]
+    coordinate: [192, 12.0]
     rotation: 0
     state: enabled
 - name: variable_qtgui_check_box_0
@@ -96,12 +96,12 @@ blocks:
     label: AFC
     'true': '1.0'
     type: real
-    value: '1.0'
+    value: '0.0'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [544, 32.0]
+    coordinate: [536, 12.0]
     rotation: 0
     state: true
 - name: analog_quadrature_demod_cf_0
@@ -117,7 +117,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [528, 216.0]
+    coordinate: [400, 324.0]
     rotation: 0
     state: enabled
 - name: audio_sink_0
@@ -134,7 +134,25 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [384, 480.0]
+    coordinate: [2240, 292.0]
+    rotation: 0
+    state: disabled
+- name: blocks_file_sink_0
+  id: blocks_file_sink
+  parameters:
+    affinity: ''
+    alias: ''
+    append: 'False'
+    comment: ''
+    file: /tmp/fifo1
+    type: float
+    unbuffered: 'False'
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1264, 76.0]
     rotation: 0
     state: enabled
 - name: blocks_moving_average_xx_0
@@ -154,7 +172,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [776, 192.0]
+    coordinate: [432, 420.0]
     rotation: 0
     state: enabled
 - name: blocks_multiply_const_vxx_0
@@ -172,7 +190,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1008, 216.0]
+    coordinate: [600, 444.0]
     rotation: 0
     state: true
 - name: blocks_packed_to_unpacked_xx_0
@@ -191,9 +209,9 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [432, 304.0]
-    rotation: 180
-    state: enabled
+    coordinate: [1432, 284.0]
+    rotation: 0
+    state: disabled
 - name: blocks_short_to_float_0
   id: blocks_short_to_float
   parameters:
@@ -208,9 +226,9 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [64, 480.0]
+    coordinate: [1936, 292.0]
     rotation: 0
-    state: enabled
+    state: disabled
 - name: blocks_stream_to_vector_0
   id: blocks_stream_to_vector
   parameters:
@@ -226,9 +244,9 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [272, 320.0]
-    rotation: 180
-    state: enabled
+    coordinate: [1592, 296.0]
+    rotation: 0
+    state: disabled
 - name: blocks_sub_xx_0
   id: blocks_sub_xx
   parameters:
@@ -244,7 +262,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1240, 192.0]
+    coordinate: [672, 328.0]
     rotation: 0
     state: true
 - name: digital_symbol_sync_xx_0
@@ -271,8 +289,8 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [872, 300.0]
-    rotation: 180
+    coordinate: [984, 284.0]
+    rotation: 0
     state: enabled
 - name: import_0
   id: import
@@ -284,7 +302,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [48, 128.0]
+    coordinate: [8, 100.0]
     rotation: 0
     state: true
 - name: m17_m17_decoder_0_0
@@ -292,19 +310,21 @@ blocks:
   parameters:
     affinity: ''
     alias: ''
+    callsign: 'False'
     comment: ''
     debug_ctrl: 'False'
-    debug_data: 'False'
+    debug_data: 'True'
     maxoutbuf: '0'
     minoutbuf: '0'
-    threshold: '2.0'
+    signed_str: 'False'
+    threshold: '7'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [664, 296.0]
-    rotation: 180
-    state: enabled
+    coordinate: [1264, 276.0]
+    rotation: 0
+    state: disabled
 - name: qtgui_eye_sink_x_0
   id: qtgui_eye_sink_x
   parameters:
@@ -334,7 +354,7 @@ blocks:
     color9: blue
     comment: ''
     ctrlpanel: 'False'
-    entags: 'True'
+    entags: 'False'
     grid: 'True'
     gui_hint: ''
     label1: M17 baseband
@@ -398,8 +418,104 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [920, 472.0]
-    rotation: 180
+    coordinate: [984, 172.0]
+    rotation: 0
+    state: disabled
+- name: qtgui_eye_sink_x_0_0
+  id: qtgui_eye_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: blue
+    color2: blue
+    color3: blue
+    color4: blue
+    color5: blue
+    color6: blue
+    color7: blue
+    color8: blue
+    color9: blue
+    comment: ''
+    ctrlpanel: 'False'
+    entags: 'False'
+    grid: 'True'
+    gui_hint: ''
+    label1: M17 baseband
+    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'
+    nconnections: '1'
+    samp_per_symbol: '1'
+    size: int(samp_rate/100)
+    srate: samp_rate
+    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: '0.10'
+    width1: '1'
+    width10: '1'
+    width2: '1'
+    width3: '1'
+    width4: '1'
+    width5: '1'
+    width6: '1'
+    width7: '1'
+    width8: '1'
+    width9: '1'
+    ylabel: Amplitude
+    ymax: '5'
+    ymin: '-5'
+    yunit: '""'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1264, 164.0]
+    rotation: 0
     state: enabled
 - name: qtgui_time_sink_x_0
   id: qtgui_time_sink_x
@@ -495,105 +611,8 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [528, 392.0]
+    coordinate: [2232, 180.0]
     rotation: 0
-    state: enabled
-- 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: 'False'
-    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: 'False'
-    marker1: '-1'
-    marker10: '-1'
-    marker2: '-1'
-    marker3: '-1'
-    marker4: '-1'
-    marker5: '-1'
-    marker6: '-1'
-    marker7: '-1'
-    marker8: '-1'
-    marker9: '-1'
-    name: '""'
-    nconnections: '1'
-    size: '100'
-    srate: '4800'
-    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: '0.10'
-    width1: '1'
-    width10: '1'
-    width2: '1'
-    width3: '1'
-    width4: '1'
-    width5: '1'
-    width6: '1'
-    width7: '1'
-    width8: '1'
-    width9: '1'
-    ylabel: Amplitude
-    ymax: '5'
-    ymin: '-5'
-    yunit: '""'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [664, 392.0]
-    rotation: 180
     state: disabled
 - name: rational_resampler_xxx_0_0
   id: rational_resampler_xxx
@@ -612,7 +631,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [304, 192.0]
+    coordinate: [232, 300.0]
     rotation: 0
     state: enabled
 - name: rational_resampler_xxx_1
@@ -632,9 +651,9 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [208, 456.0]
+    coordinate: [2072, 268.0]
     rotation: 0
-    state: enabled
+    state: disabled
 - name: root_raised_cosine_filter_0
   id: root_raised_cosine_filter
   parameters:
@@ -655,8 +674,8 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1176, 320.0]
-    rotation: 180
+    coordinate: [776, 300.0]
+    rotation: 0
     state: enabled
 - name: soapy_rtlsdr_source_0
   id: soapy_rtlsdr_source
@@ -665,8 +684,7 @@ blocks:
     agc: 'False'
     alias: ''
     bias: 'False'
-    bufflen: '16384'
-    center_freq: int(433475000*(1+ppm*1e-6))
+    center_freq: int(144875000*(1.0+ppm*1e-6))
     comment: ''
     dev_args: ''
     freq_correction: '0'
@@ -679,7 +697,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [48, 208.0]
+    coordinate: [32, 316.0]
     rotation: 0
     state: true
 - name: vocoder_codec2_decode_ps_0
@@ -695,9 +713,9 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [80, 312.0]
-    rotation: 180
-    state: enabled
+    coordinate: [1744, 292.0]
+    rotation: 0
+    state: disabled
 
 connections:
 - [analog_quadrature_demod_cf_0, '0', blocks_moving_average_xx_0, '0']
@@ -708,8 +726,9 @@ connections:
 - [blocks_short_to_float_0, '0', rational_resampler_xxx_1, '0']
 - [blocks_stream_to_vector_0, '0', vocoder_codec2_decode_ps_0, '0']
 - [blocks_sub_xx_0, '0', root_raised_cosine_filter_0, '0']
+- [digital_symbol_sync_xx_0, '0', blocks_file_sink_0, '0']
 - [digital_symbol_sync_xx_0, '0', m17_m17_decoder_0_0, '0']
-- [digital_symbol_sync_xx_0, '0', qtgui_time_sink_x_0_0, '0']
+- [digital_symbol_sync_xx_0, '0', qtgui_eye_sink_x_0_0, '0']
 - [m17_m17_decoder_0_0, '0', blocks_packed_to_unpacked_xx_0, '0']
 - [rational_resampler_xxx_0_0, '0', analog_quadrature_demod_cf_0, '0']
 - [rational_resampler_xxx_1, '0', audio_sink_0, '0']
@@ -721,4 +740,4 @@ connections:
 
 metadata:
   file_format: 1
-  grc_version: 3.10.10.0
+  grc_version: 3.10.7.0