M17 loopback flowgraph update

examples/m17_loopback.grc

@@ -1,11 +1,11 @@
 options:
   parameters:
-    author: SP5WWP
+    author: Wojciech SP5WWP
     catch_exceptions: 'True'
     category: '[GRC Hier Blocks]'
     cmake_opt: ''
     comment: ''
-    copyright: M17 Project, Dec 2022
+    copyright: M17 Project, Jan 2024
     description: ''
     gen_cmake: 'On'
     gen_linking: dynamic
@@ -22,60 +22,45 @@ options:
     run_options: prompt
     sizing_mode: fixed
     thread_safe_setters: ''
-    title: M17 data streamer
+    title: M17 loopback demo
     window_size: (1000,1000)
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [112, 40.0]
+    coordinate: [8, 4.0]
     rotation: 0
     state: enabled
 
 blocks:
-- name: dst_id
+- name: dst_str
   id: variable_qtgui_entry
   parameters:
     comment: ''
     gui_hint: ''
-    label: ''
+    label: DST
     type: string
-    value: RECEIV
+    value: ALL
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [664, 288.0]
+    coordinate: [568, 12.0]
     rotation: 0
     state: true
-- name: meta
+- name: meta_str
   id: variable_qtgui_entry
   parameters:
     comment: ''
     gui_hint: ''
-    label: ''
+    label: META
     type: string
-    value: metastring
+    value: Hello!
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [376, 288.0]
-    rotation: 0
-    state: true
-- name: mtype
-  id: variable_qtgui_entry
-  parameters:
-    comment: ''
-    gui_hint: ''
-    label: ''
-    type: int
-    value: '5'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [792, 288.0]
+    coordinate: [288, 12.0]
     rotation: 0
     state: true
 - name: samp_rate
@@ -87,22 +72,37 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [280, 40.0]
+    coordinate: [192, 12.0]
     rotation: 0
     state: true
-- name: src_id
+- name: src_str
   id: variable_qtgui_entry
   parameters:
     comment: ''
     gui_hint: ''
-    label: ''
+    label: SRC
     type: string
-    value: EMITTER
+    value: AB1CDE
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [528, 288.0]
+    coordinate: [424, 12.0]
+    rotation: 0
+    state: true
+- name: type_val
+  id: variable_qtgui_entry
+  parameters:
+    comment: ''
+    gui_hint: ''
+    label: TYPE
+    type: int
+    value: '5'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [688, 12.0]
     rotation: 0
     state: true
 - name: blocks_file_sink_0
@@ -120,9 +120,26 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [512, 88.0]
+    coordinate: [208, 172.0]
     rotation: 180
-    state: true
+    state: enabled
+- name: blocks_null_sink_0
+  id: blocks_null_sink
+  parameters:
+    affinity: ''
+    alias: ''
+    bus_structure_sink: '[[0,],]'
+    comment: ''
+    num_inputs: '1'
+    type: byte
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [272, 256.0]
+    rotation: 180
+    state: disabled
 - name: blocks_throttle2_0
   id: blocks_throttle2
   parameters:
@@ -141,7 +158,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [560, 176.0]
+    coordinate: [448, 348.0]
     rotation: 0
     state: true
 - name: blocks_vector_source_x_0_2
@@ -162,7 +179,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [168, 168.0]
+    coordinate: [16, 340.0]
     rotation: 0
     state: true
 - name: m17_m17_coder_0
@@ -172,17 +189,17 @@ blocks:
     alias: ''
     comment: ''
     debug: 'False'
-    dst_id: ALL
+    dst_id: dst_str
     maxoutbuf: '0'
-    meta: meta
+    meta: meta_str
     minoutbuf: '0'
-    src_id: EMITTER1
-    type: mtype
+    src_id: src_str
+    type: type_val
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [376, 152.0]
+    coordinate: [224, 324.0]
     rotation: 0
     state: true
 - name: m17_m17_decoder_0
@@ -195,12 +212,12 @@ blocks:
     debug_data: 'False'
     maxoutbuf: '0'
     minoutbuf: '0'
-    threshold: '0.9'
+    threshold: '2.0'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [680, 16.0]
+    coordinate: [440, 172.0]
     rotation: 180
     state: true
 - name: note_0_2
@@ -213,161 +230,16 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [208, 256.0]
+    coordinate: [64, 292.0]
     rotation: 0
     state: true
-- name: qtgui_freq_sink_x_0
-  id: qtgui_freq_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'
-    average: '1.0'
-    axislabels: 'True'
-    bw: samp_rate
-    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'
-    fc: '0'
-    fftsize: '1024'
-    freqhalf: 'True'
-    grid: 'False'
-    gui_hint: ''
-    label: Relative Gain
-    label1: ''
-    label10: ''''''
-    label2: ''''''
-    label3: ''''''
-    label4: ''''''
-    label5: ''''''
-    label6: ''''''
-    label7: ''''''
-    label8: ''''''
-    label9: ''''''
-    legend: 'True'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    name: '""'
-    nconnections: '1'
-    norm_window: 'False'
-    showports: 'False'
-    tr_chan: '0'
-    tr_level: '0.0'
-    tr_mode: qtgui.TRIG_MODE_FREE
-    tr_tag: '""'
-    type: float
-    units: dB
-    update_time: '0.10'
-    width1: '1'
-    width10: '1'
-    width2: '1'
-    width3: '1'
-    width4: '1'
-    width5: '1'
-    width6: '1'
-    width7: '1'
-    width8: '1'
-    width9: '1'
-    wintype: window.WIN_BLACKMAN_hARRIS
-    ymax: '10'
-    ymin: '-140'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [760, 168.0]
-    rotation: 0
-    state: true
-- name: qtgui_number_sink_0
-  id: qtgui_number_sink
-  parameters:
-    affinity: ''
-    alias: ''
-    autoscale: 'False'
-    avg: '0'
-    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_NONE
-    gui_hint: ''
-    label1: ''
-    label10: ''
-    label2: ''
-    label3: ''
-    label4: ''
-    label5: ''
-    label6: ''
-    label7: ''
-    label8: ''
-    label9: ''
-    max: '1'
-    min: '-1'
-    name: '""'
-    nconnections: '1'
-    type: byte
-    unit1: ''
-    unit10: ''
-    unit2: ''
-    unit3: ''
-    unit4: ''
-    unit5: ''
-    unit6: ''
-    unit7: ''
-    unit8: ''
-    unit9: ''
-    update_time: '0.10'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [368, 8.0]
-    rotation: 180
-    state: true
 
 connections:
 - [blocks_throttle2_0, '0', m17_m17_decoder_0, '0']
-- [blocks_throttle2_0, '0', qtgui_freq_sink_x_0, '0']
 - [blocks_vector_source_x_0_2, '0', m17_m17_coder_0, '0']
 - [m17_m17_coder_0, '0', blocks_throttle2_0, '0']
 - [m17_m17_decoder_0, '0', blocks_file_sink_0, '0']
-- [m17_m17_decoder_0, '0', qtgui_number_sink_0, '0']
+- [m17_m17_decoder_0, '0', blocks_null_sink_0, '0']
 
 metadata:
   file_format: 1