options:
  parameters:
    author: Barry Duggan
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: Morse code generator
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: test0928
    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: Test 0928
    window_size: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 16.0]
    rotation: 0
    state: enabled

blocks:
- name: baud
  id: variable
  parameters:
    comment: ''
    value: speed/1.2
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [400, 20.0]
    rotation: 0
    state: enabled
- name: repeat
  id: variable
  parameters:
    comment: ''
    value: '1200'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [560, 20.0]
    rotation: 0
    state: true
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: baud*repeat
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [688, 20.0]
    rotation: 0
    state: enabled
- name: speed
  id: variable
  parameters:
    comment: ''
    value: '12'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [288, 20.0]
    rotation: 0
    state: true
- name: analog_sig_source_x_0_0
  id: analog_sig_source_x
  parameters:
    affinity: ''
    alias: ''
    amp: '0.5'
    comment: ''
    freq: '600'
    maxoutbuf: '0'
    minoutbuf: '0'
    offset: '0'
    phase: '0'
    samp_rate: samp_rate
    type: float
    waveform: analog.GR_COS_WAVE
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [678, 454]
    rotation: 0
    state: enabled
- name: audio_sink_0
  id: audio_sink
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    device_name: hw:CARD=Device,DEV=0
    num_inputs: '1'
    ok_to_block: 'True'
    samp_rate: '48000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1300, 494]
    rotation: 0
    state: enabled
- name: blocks_float_to_uchar_0
  id: blocks_float_to_uchar
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [945, 121]
    rotation: 0
    state: true
- name: blocks_multiply_xx_0
  id: blocks_multiply_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '2'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [936, 364]
    rotation: 0
    state: enabled
- name: blocks_repeat_0
  id: blocks_repeat
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    interp: repeat
    maxoutbuf: '0'
    minoutbuf: '0'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [483, 360]
    rotation: 0
    state: enabled
- name: blocks_uchar_to_float_0
  id: blocks_uchar_to_float
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [668, 364]
    rotation: 0
    state: enabled
- name: epy_block_0
  id: epy_block
  parameters:
    _source_code: "\"\"\"\nMorse code vector source\n\"\"\"\n\n#  epy_block_0.py\n\
      #  revised 08/20/2019\n#  revised 09/27/2019 to clear input line (code from\
      \ Volker Schroer dl1ksv)\n\nimport numpy as np\nfrom gnuradio import gr\n\n\
      import pmt\n\ntextboxValue = \"\"\n\nMorse = {\n    \"A\": \"1,0,1,1,1\",\n\
      \    \"B\": \"1,1,1,0,1,0,1,0,1\",\n    \"C\": \"1,1,1,0,1,0,1,1,1,0,1\",\n\
      \    \"D\": \"1,1,1,0,1,0,1\",\n    \"E\": \"1\",\n    \"F\": \"1,0,1,0,1,1,1,0,1\"\
      ,\n    \"G\": \"1,1,1,0,1,1,1,0,1\",\n    \"H\": \"1,0,1,0,1,0,1\",\n    \"\
      I\": \"1,0,1\",\n    \"J\": \"1,0,1,1,1,0,1,1,1,0,1,1,1\",\n    \"K\": \"1,1,1,0,1,0,1,1,1\"\
      ,\n    \"L\": \"1,0,1,1,1,0,1,0,1\",\n    \"M\": \"1,1,1,0,1,1,1\",\n    \"\
      N\": \"1,1,1,0,1\",\n    \"O\": \"1,1,1,0,1,1,1,0,1,1,1\",\n    \"P\": \"1,0,1,1,1,0,1,1,1,0,1\"\
      ,\n    \"Q\": \"1,1,1,0,1,1,1,0,1,0,1,1,1\",\n    \"R\": \"1,0,1,1,1,0,1\",\n\
      \    \"S\": \"1,0,1,0,1\",\n    \"T\": \"1,1,1\",\n    \"U\": \"1,0,1,0,1,1,1\"\
      ,\n    \"V\": \"1,0,1,0,1,0,1,1,1\",\n    \"W\": \"1,0,1,1,1,0,1,1,1\",\n  \
      \  \"X\": \"1,1,1,0,1,0,1,0,1,1,1\",\n    \"Y\": \"1,1,1,0,1,0,1,1,1,0,1,1,1\"\
      ,\n    \"Z\": \"1,1,1,0,1,1,1,0,1,0,1\",\n    \" \": \"0\",            # space\n\
      \    \"1\": \"1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1\",\n    \"2\": \"1,0,1,0,1,1,1,0,1,1,1,0,1,1,1\"\
      ,\n    \"3\": \"1,0,1,0,1,0,1,1,1,0,1,1,1\",\n    \"4\": \"1,0,1,0,1,0,1,0,1,1,1\"\
      ,\n    \"5\": \"1,0,1,0,1,0,1,0,1\",\n    \"6\": \"1,1,1,0,1,0,1,0,1,0,1\",\n\
      \    \"7\": \"1,1,1,0,1,1,1,0,1,0,1,0,1\",\n    \"8\": \"1,1,1,0,1,1,1,0,1,1,1,0,1,0,1\"\
      ,\n    \"9\": \"1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1\",\n    \"0\": \"1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1\"\
      ,\n    \".\": \"1,0,1,1,1,0,1,0,1,1,1,0,1,0,1,1,1\",            # period\n \
      \   \",\": \"1,1,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,1,1\",      # comma\n    \"?\"\
      : \"1,0,1,0,1,1,1,0,1,1,1,0,1,0,1\",                 # question\n    \"'\":\
      \ \"1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1\",      # apostrophe\n    \"/\": \"\
      1,1,1,0,1,0,1,0,1,1,1,0,1\",                        # slash\n    \":\": \"1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1\"\
      ,            # colon\n    \"=\": \"1,1,1,0,1,0,1,0,1,0,1,1,1\",            \
      \           # equals\n    \"-\": \"1,1,1,0,1,0,1,0,1,0,1,0,1,1,1\"         \
      \         # dash or minus\n      }\n\n\nclass mc_sync_block(gr.sync_block):\n\
      \    \"\"\"\n    reads input from a message port\n    generates a vector of\
      \ Morse code bits\n    \"\"\"\n    def __init__(self):\n        gr.sync_block.__init__(self,\n\
      \            name = \"Morse code vector source\",\n            in_sig = None,\n\
      \            out_sig = [np.byte])\n        self.message_port_register_in(pmt.intern('msg_in'))\n\
      \        self.message_port_register_out(pmt.intern('clear_input'))\n       \
      \ self.set_msg_handler(pmt.intern('msg_in'), self.handle_msg)\n\n    def handle_msg(self,\
      \ msg):\n        global textboxValue\n\n        textboxValue = pmt.symbol_to_string\
      \ (msg)\n        # print (textboxValue)\n    \n    def work(self, input_items,\
      \ output_items):\n        global Morse\n        global textboxValue\n\n    \
      \    bit_stream = \"\"\n        for in0 in textboxValue:\n            # get\
      \ next char\n            inChar = str (in0)\n            # convert to upper\
      \ case\n            ch = inChar.upper()\n            # get vector\n        \
      \    _dots = str (Morse.get(ch))\n            # print (ch, _dots)\n        \
      \    bit_stream += (_dots + \",0,0,0,\")    # letter space\n\n        if (len(textboxValue)\
      \ > 0):\n            bit_stream += \"0,0,0,0\"    # finish with word space\n\
      \            textboxValue = \"\"\n            self.message_port_pub(pmt.intern('clear_input'),\
      \ pmt.intern(''))\n            # print (bit_stream)\n\n        # get length\
      \ of string\n        _len = len(bit_stream)\n        # num of elements = (length+1)\
      \ / 2\n        _num_elem = int((_len+1) / 2)\n\n        # convert and store\
      \ elements in output array\n        for x in range (_len):\n            y =\
      \ int(x / 2)\n            if (bit_stream[x] == '1'):\n                output_items[0][y]\
      \ = 1\n            elif (bit_stream[x] == '0'):\n                output_items[0][y]\
      \ = 0\n            else:\n                continue    # skip commas\n\n    \
      \    return (_num_elem)\n\n"
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    _io_cache: ('Morse code vector source', 'mc_sync_block', [], [('msg_in', 'message',
      1)], [('0', 'byte', 1), ('clear_input', 'message', 1)], '\n    reads input from
      a message port\n    generates a vector of Morse code bits\n    ', [])
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [189, 364]
    rotation: 0
    state: true
- name: epy_block_1
  id: epy_block
  parameters:
    _source_code: "\"\"\"\nGPIO pin driver\n\"\"\"\n\n#  epy_block_1.py\n#  09/28/2019\n\
      \nimport numpy as np\nfrom gnuradio import gr\nimport RPi.GPIO as GPIO \n\n\
      _last_bit = 0\n\nclass gpio_block(gr.sync_block):\n    \"\"\"\n    reads keying\
      \ data\n    drives GPIO line 17\n    note: this is a data sink\n    \"\"\"\n\
      \n    def __init__(self):\n        gr.sync_block.__init__(self,\n          \
      \  name = \"GPIO pin driver\",\n            in_sig = [np.byte],\n          \
      \  out_sig = None\n            )\n        GPIO.setwarnings(False) \n       \
      \ GPIO.setmode(GPIO.BCM) \n        GPIO.setup(17, GPIO.OUT) \n        GPIO.output(17,\
      \ False)    # start with it off\n\n    def work(self, input_items, output_items):\n\
      \        global _last_bit\n\n        for _in_bit in input_items[0]:\n      \
      \      if (_in_bit != _last_bit):\n                if (_in_bit == 1):\n    \
      \                GPIO.output(17, True) \n                else:\n           \
      \         GPIO.output(17, False)\n                _last_bit = _in_bit\n\n  \
      \      return len (input_items[0])\n"
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    _io_cache: '(''GPIO pin driver'', ''gpio_block'', [], [(''0'', ''byte'', 1)],
      [], ''\n    reads keying data\n    drives GPIO line 17\n    note: this is a
      data sink\n    '', [])'
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1130, 121]
    rotation: 0
    state: enabled
- name: qtgui_edit_box_msg_0
  id: qtgui_edit_box_msg
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    gui_hint: ''
    is_pair: 'False'
    is_static: 'False'
    key: '"text"'
    label: Input
    maxoutbuf: '0'
    minoutbuf: '0'
    type: string
    value: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [218, 506]
    rotation: 180
    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: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    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: '32768'
    srate: '48000'
    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: '0.5'
    tr_mode: qtgui.TRIG_MODE_AUTO
    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: '2'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1337, 360]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_1
  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: '32768'
    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: '0.5'
    tr_mode: qtgui.TRIG_MODE_AUTO
    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: '2'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [990, 208]
    rotation: 0
    state: true
- name: rational_resampler_xxx_0
  id: rational_resampler_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: '1'
    fbw: '0'
    interp: (int)(48000/samp_rate)
    maxoutbuf: '0'
    minoutbuf: '0'
    taps: ''
    type: fff
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1091, 352]
    rotation: 0
    state: true

connections:
- [analog_sig_source_x_0_0, '0', blocks_multiply_xx_0, '1']
- [blocks_float_to_uchar_0, '0', epy_block_1, '0']
- [blocks_multiply_xx_0, '0', rational_resampler_xxx_0, '0']
- [blocks_repeat_0, '0', blocks_uchar_to_float_0, '0']
- [blocks_uchar_to_float_0, '0', blocks_float_to_uchar_0, '0']
- [blocks_uchar_to_float_0, '0', blocks_multiply_xx_0, '0']
- [blocks_uchar_to_float_0, '0', qtgui_time_sink_x_1, '0']
- [epy_block_0, '0', blocks_repeat_0, '0']
- [epy_block_0, clear_input, qtgui_edit_box_msg_0, val]
- [qtgui_edit_box_msg_0, msg, epy_block_0, msg_in]
- [rational_resampler_xxx_0, '0', audio_sink_0, '0']
- [rational_resampler_xxx_0, '0', qtgui_time_sink_x_0, '0']

metadata:
  file_format: 1