str_pkt_3.grc

options:
  parameters:
    author: Barry Duggan
    catch_exceptions: 'True'
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: Packet test
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: str_pkt_3
    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: str_pkt_3
    window_size: (1000,1000)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 12.0]
    rotation: 0
    state: enabled

blocks:
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: '32000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [200, 12.0]
    rotation: 0
    state: enabled
- name: blocks_message_debug_1
  id: blocks_message_debug
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    en_uvec: 'True'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1016, 224.0]
    rotation: 0
    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: [720, 288.0]
    rotation: 0
    state: disabled
- name: blocks_tag_debug_0
  id: blocks_tag_debug
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    display: 'True'
    filter: '""'
    name: ''
    num_inputs: '1'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [552, 292.0]
    rotation: 0
    state: disabled
- name: blocks_throttle_0
  id: blocks_throttle
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: samp_rate
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [520, 220.0]
    rotation: 0
    state: true
- name: epy_block_0
  id: epy_block
  parameters:
    _source_code: "\"\"\"\nEmbedded Python Block: File Source to Tagged Stream\n\"\
      \"\"\n\nimport numpy as np\nfrom gnuradio import gr\nimport pmt\nimport os.path\n\
      import sys\n\nclass blk(gr.sync_block):\n    def __init__(self):\n        gr.sync_block.__init__(\n\
      \            self,\n            name='EPB: File Source to Tagged Stream',\n\
      \            in_sig=None,\n            out_sig=[np.uint8])\n\n        global\
      \ _eof\n        global indx\n        _eof = False\n        indx = 0\n      \
      \  fn = \"/home/barry/Documents/Gettysburg.txt\"\n        if (os.path.exists(fn)):\n\
      \            # open input file\n            global f_in\n            f_in =\
      \ open (fn, 'rb')\n        else:\n            print('The input file does not\
      \ exist')\n            _eof = True\n\n    def work(self, input_items, output_items):\n\
      \        global _eof\n        global indx\n        global f_in\n        Pkt_len\
      \ = 252\n        # print(type(output_items[0][0]))\n        while (not (_eof)):\n\
      \            buff = f_in.read (Pkt_len)\n            b_len = len(buff)\n   \
      \         if b_len == 0:\n                print ('End of file')\n          \
      \      _eof = True\n                f_in.close()\n                break\n  \
      \          key0 = pmt.intern(\"packet_len\")\n            val0 = pmt.from_long(b_len)\n\
      \            self.add_item_tag(0, # Write to output port 0\n               \
      \ indx,   # Index of the tag\n                key0,   # Key of the tag\n   \
      \             val0    # Value of the tag\n                )\n            # print\
      \ (indx, b_len)\n            indx += b_len\n            i = 0\n            while\
      \ (i < b_len):\n                output_items[0][i] = buff[i]\n             \
      \   i += 1\n            return (b_len)\n\n"
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    _io_cache: '(''EPB: File Source to Tagged Stream'', ''blk'', [], [], [(''0'',
      ''byte'', 1)], '''', [])'
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [224, 224.0]
    rotation: 0
    state: true
- name: pdu_tagged_stream_to_pdu_0
  id: pdu_tagged_stream_to_pdu
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    tag: packet_len
    type: byte
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [720, 220.0]
    rotation: 0
    state: enabled

connections:
- [blocks_throttle_0, '0', blocks_null_sink_0, '0']
- [blocks_throttle_0, '0', pdu_tagged_stream_to_pdu_0, '0']
- [epy_block_0, '0', blocks_tag_debug_0, '0']
- [epy_block_0, '0', blocks_throttle_0, '0']
- [pdu_tagged_stream_to_pdu_0, pdus, blocks_message_debug_1, print]

metadata:
  file_format: 1
  grc_version: 3.10.5.1