options:
  parameters:
    author: ''
    catch_exceptions: 'True'
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: 'Headless IQ saver for HackRF over SSH'
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: no_gui
    hier_block_src_path: '.:'
    id: data_saver
    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: data_saver
    window_size: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 8]
    rotation: 0
    state: enabled

blocks:
- name: serial
  id: parameter
  parameters:
    category: Parameters
    comment: 'HackRF serial'
    hide: none
    label: serial
    short_id: s
    type: string
    value: '00000000000000000000000000000000'
  states:
    coordinate: [48, 48]
    rotation: 0
    state: enabled

- name: freq
  id: parameter
  parameters:
    category: Parameters
    comment: 'Center frequency in Hz'
    hide: none
    label: freq
    short_id: f
    type: real
    value: '1.160e9'
  states:
    coordinate: [48, 96]
    rotation: 0
    state: enabled

- name: save_dir
  id: parameter
  parameters:
    category: Parameters
    comment: 'Directory for IQ files'
    hide: none
    label: save_dir
    short_id: o
    type: string
    value: '/tmp/data_saver'
  states:
    coordinate: [48, 144]
    rotation: 0
    state: enabled

- name: file_tag
  id: parameter
  parameters:
    category: Parameters
    comment: 'File prefix'
    hide: none
    label: file_tag
    short_id: t
    type: string
    value: 'fragment_'
  states:
    coordinate: [48, 192]
    rotation: 0
    state: enabled

- name: samp_rate
  id: parameter
  parameters:
    category: Parameters
    comment: 'Sample rate in S/s'
    hide: none
    label: samp_rate
    short_id: r
    type: real
    value: '20e6'
  states:
    coordinate: [48, 240]
    rotation: 0
    state: enabled

- name: split_size
  id: parameter
  parameters:
    category: Parameters
    comment: 'Max complex samples per file'
    hide: none
    label: split_size
    short_id: n
    type: intx
    value: '400000'
  states:
    coordinate: [48, 288]
    rotation: 0
    state: enabled

- name: delay
  id: parameter
  parameters:
    category: Parameters
    comment: 'Delay between files in seconds'
    hide: none
    label: delay
    short_id: d
    type: real
    value: '0.1'
  states:
    coordinate: [48, 336]
    rotation: 0
    state: enabled

- name: rf_gain
  id: parameter
  parameters:
    category: Parameters
    comment: 'HackRF RF gain'
    hide: none
    label: rf_gain
    short_id: g
    type: real
    value: '12'
  states:
    coordinate: [48, 384]
    rotation: 0
    state: enabled

- name: if_gain
  id: parameter
  parameters:
    category: Parameters
    comment: 'HackRF IF gain'
    hide: none
    label: if_gain
    short_id: i
    type: real
    value: '30'
  states:
    coordinate: [48, 432]
    rotation: 0
    state: enabled

- name: bb_gain
  id: parameter
  parameters:
    category: Parameters
    comment: 'HackRF baseband gain'
    hide: none
    label: bb_gain
    short_id: b
    type: real
    value: '36'
  states:
    coordinate: [48, 480]
    rotation: 0
    state: enabled

- name: dev_args
  id: variable
  parameters:
    comment: ''
    value: '"hackrf=" + str(serial)'
  states:
    coordinate: [48, 540]
    rotation: 0
    state: enabled

- name: epy_block_0
  id: epy_block
  parameters:
    Delay: delay
    FileTag: file_tag
    SaveDir: save_dir
    SplitSize: split_size
    _source_code: "\"\"\"\nEmbedded Python Blocks:\n\nHeadless IQ writer with file splitting.\n\"\"\"\n\nimport numpy as np\nfrom gnuradio import gr\nimport os\nimport time\n\n\nclass Simsi_Sink(gr.sync_block):\n    def __init__(self, SaveDir=\"./signal\", FileTag=\"fragment_\", SplitSize=1000000, Delay=0.0):\n        gr.sync_block.__init__(\n            self,\n            name='Simsi_Sink',\n            in_sig=[np.complex64],\n            out_sig=None\n        )\n\n        self.Delay = float(Delay)\n        self.FileTag = str(FileTag)\n        self.SplitSize = int(SplitSize)\n        self.SaveDir = str(SaveDir)\n\n        os.makedirs(self.SaveDir, exist_ok=True)\n\n        self.it = 0\n        self.last_file_len = 0\n        self.last_fd = None\n\n        self.reading_in_progress_file_path = os.path.join(self.SaveDir, 'reading_in_progress')\n        self.reading_in_progress_file_fd = None\n\n        self._open_next_file()\n\n    def _touch_in_progress(self):\n        if self.reading_in_progress_file_fd is not None:\n            try:\n                self.reading_in_progress_file_fd.close()\n            except Exception:\n                pass\n        self.reading_in_progress_file_fd = open(self.reading_in_progress_file_path, 'wb')\n\n    def _remove_in_progress(self):\n        if self.reading_in_progress_file_fd is not None:\n            try:\n                self.reading_in_progress_file_fd.close()\n            except Exception:\n                pass\n            self.reading_in_progress_file_fd = None\n        if os.path.exists(self.reading_in_progress_file_path):\n            try:\n                os.remove(self.reading_in_progress_file_path)\n            except Exception:\n                pass\n\n    def _open_next_file(self):\n        self._touch_in_progress()\n        self.last_file_path = os.path.join(self.SaveDir, f\"{self.FileTag}{self.it}\")\n        self.last_fd = open(self.last_file_path, 'wb')\n        self.last_file_len = 0\n        print(f\"Opened file: {self.last_file_path}\", flush=True)\n\n    def _rotate_file(self):\n        if self.last_fd is not None:\n            self.last_fd.close()\n            self.last_fd = None\n        self._remove_in_progress()\n        if self.Delay > 0:\n            time.sleep(self.Delay)\n        self.it += 1\n        self._open_next_file()\n\n    def stop(self):\n        try:\n            if self.last_fd is not None:\n                self.last_fd.close()\n                self.last_fd = None\n        finally:\n            self._remove_in_progress()\n        return True\n\n    def work(self, input_items, output_items):\n        data = input_items[0]\n        offset = 0\n        total = len(data)\n\n        while offset < total:\n            remaining = self.SplitSize - self.last_file_len\n            chunk = min(remaining, total - offset)\n\n            self.last_fd.write(data[offset:offset + chunk].copy())\n            self.last_file_len += chunk\n            offset += chunk\n\n            if self.last_file_len >= self.SplitSize:\n                print(f\"Saving file: {self.last_file_path}\", flush=True)\n                self._rotate_file()\n\n        return len(data)\n"
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    _io_cache: ('Simsi_Sink', 'Simsi_Sink', [('SaveDir', "'./signal'"), ('FileTag', "'fragment_'"), ('SplitSize', '1000000'), ('Delay', '0.0')], [('0', 'complex', 1)], [], 'Headless IQ writer with file splitting.', ['Delay', 'FileTag', 'SaveDir', 'SplitSize'])
    coordinate: [688, 208]
    rotation: 0
    state: enabled

- name: osmosdr_source_0
  id: osmosdr_source
  parameters:
    affinity: ''
    alias: ''
    ant0: ''
    ant1: ''
    ant10: ''
    ant11: ''
    ant12: ''
    ant13: ''
    ant14: ''
    ant15: ''
    ant16: ''
    ant17: ''
    ant18: ''
    ant19: ''
    ant2: ''
    ant20: ''
    ant21: ''
    ant22: ''
    ant23: ''
    ant24: ''
    ant25: ''
    ant26: ''
    ant27: ''
    ant28: ''
    ant29: ''
    ant3: ''
    ant30: ''
    ant31: ''
    ant4: ''
    ant5: ''
    ant6: ''
    ant7: ''
    ant8: ''
    ant9: ''
    args: dev_args
    bb_gain0: bb_gain
    bb_gain1: '20'
    bb_gain10: '20'
    bb_gain11: '20'
    bb_gain12: '20'
    bb_gain13: '20'
    bb_gain14: '20'
    bb_gain15: '20'
    bb_gain16: '20'
    bb_gain17: '20'
    bb_gain18: '20'
    bb_gain19: '20'
    bb_gain2: '20'
    bb_gain20: '20'
    bb_gain21: '20'
    bb_gain22: '20'
    bb_gain23: '20'
    bb_gain24: '20'
    bb_gain25: '20'
    bb_gain26: '20'
    bb_gain27: '20'
    bb_gain28: '20'
    bb_gain29: '20'
    bb_gain3: '20'
    bb_gain30: '20'
    bb_gain31: '20'
    bb_gain4: '20'
    bb_gain5: '20'
    bb_gain6: '20'
    bb_gain7: '20'
    bb_gain8: '20'
    bb_gain9: '20'
    bw0: '0'
    bw1: '0'
    bw10: '0'
    bw11: '0'
    bw12: '0'
    bw13: '0'
    bw14: '0'
    bw15: '0'
    bw16: '0'
    bw17: '0'
    bw18: '0'
    bw19: '0'
    bw2: '0'
    bw20: '0'
    bw21: '0'
    bw22: '0'
    bw23: '0'
    bw24: '0'
    bw25: '0'
    bw26: '0'
    bw27: '0'
    bw28: '0'
    bw29: '0'
    bw3: '0'
    bw30: '0'
    bw31: '0'
    bw4: '0'
    bw5: '0'
    bw6: '0'
    bw7: '0'
    bw8: '0'
    bw9: '0'
    clock_source0: ''
    clock_source1: ''
    clock_source2: ''
    clock_source3: ''
    clock_source4: ''
    clock_source5: ''
    clock_source6: ''
    clock_source7: ''
    comment: ''
    corr0: '0'
    corr1: '0'
    corr10: '0'
    corr11: '0'
    corr12: '0'
    corr13: '0'
    corr14: '0'
    corr15: '0'
    corr16: '0'
    corr17: '0'
    corr18: '0'
    corr19: '0'
    corr2: '0'
    corr20: '0'
    corr21: '0'
    corr22: '0'
    corr23: '0'
    corr24: '0'
    corr25: '0'
    corr26: '0'
    corr27: '0'
    corr28: '0'
    corr29: '0'
    corr3: '0'
    corr30: '0'
    corr31: '0'
    corr4: '0'
    corr5: '0'
    corr6: '0'
    corr7: '0'
    corr8: '0'
    corr9: '0'
    dc_offset_mode0: '0'
    dc_offset_mode1: '0'
    dc_offset_mode10: '0'
    dc_offset_mode11: '0'
    dc_offset_mode12: '0'
    dc_offset_mode13: '0'
    dc_offset_mode14: '0'
    dc_offset_mode15: '0'
    dc_offset_mode16: '0'
    dc_offset_mode17: '0'
    dc_offset_mode18: '0'
    dc_offset_mode19: '0'
    dc_offset_mode2: '0'
    dc_offset_mode20: '0'
    dc_offset_mode21: '0'
    dc_offset_mode22: '0'
    dc_offset_mode23: '0'
    dc_offset_mode24: '0'
    dc_offset_mode25: '0'
    dc_offset_mode26: '0'
    dc_offset_mode27: '0'
    dc_offset_mode28: '0'
    dc_offset_mode29: '0'
    dc_offset_mode3: '0'
    dc_offset_mode30: '0'
    dc_offset_mode31: '0'
    dc_offset_mode4: '0'
    dc_offset_mode5: '0'
    dc_offset_mode6: '0'
    dc_offset_mode7: '0'
    dc_offset_mode8: '0'
    dc_offset_mode9: '0'
    freq0: freq
    freq1: 100e6
    freq10: 100e6
    freq11: 100e6
    freq12: 100e6
    freq13: 100e6
    freq14: 100e6
    freq15: 100e6
    freq16: 100e6
    freq17: 100e6
    freq18: 100e6
    freq19: 100e6
    freq2: 100e6
    freq20: 100e6
    freq21: 100e6
    freq22: 100e6
    freq23: 100e6
    freq24: 100e6
    freq25: 100e6
    freq26: 100e6
    freq27: 100e6
    freq28: 100e6
    freq29: 100e6
    freq3: 100e6
    freq30: 100e6
    freq31: 100e6
    freq4: 100e6
    freq5: 100e6
    freq6: 100e6
    freq7: 100e6
    freq8: 100e6
    freq9: 100e6
    gain0: rf_gain
    gain1: '10'
    gain10: '10'
    gain11: '10'
    gain12: '10'
    gain13: '10'
    gain14: '10'
    gain15: '10'
    gain16: '10'
    gain17: '10'
    gain18: '10'
    gain19: '10'
    gain2: '10'
    gain20: '10'
    gain21: '10'
    gain22: '10'
    gain23: '10'
    gain24: '10'
    gain25: '10'
    gain26: '10'
    gain27: '10'
    gain28: '10'
    gain29: '10'
    gain3: '10'
    gain30: '10'
    gain31: '10'
    gain4: '10'
    gain5: '10'
    gain6: '10'
    gain7: '10'
    gain8: '10'
    gain9: '10'
    gain_mode0: 'False'
    gain_mode1: 'False'
    gain_mode10: 'False'
    gain_mode11: 'False'
    gain_mode12: 'False'
    gain_mode13: 'False'
    gain_mode14: 'False'
    gain_mode15: 'False'
    gain_mode16: 'False'
    gain_mode17: 'False'
    gain_mode18: 'False'
    gain_mode19: 'False'
    gain_mode2: 'False'
    gain_mode20: 'False'
    gain_mode21: 'False'
    gain_mode22: 'False'
    gain_mode23: 'False'
    gain_mode24: 'False'
    gain_mode25: 'False'
    gain_mode26: 'False'
    gain_mode27: 'False'
    gain_mode28: 'False'
    gain_mode29: 'False'
    gain_mode3: 'False'
    gain_mode30: 'False'
    gain_mode31: 'False'
    gain_mode4: 'False'
    gain_mode5: 'False'
    gain_mode6: 'False'
    gain_mode7: 'False'
    gain_mode8: 'False'
    gain_mode9: 'False'
    if_gain0: if_gain
    if_gain1: '20'
    if_gain10: '20'
    if_gain11: '20'
    if_gain12: '20'
    if_gain13: '20'
    if_gain14: '20'
    if_gain15: '20'
    if_gain16: '20'
    if_gain17: '20'
    if_gain18: '20'
    if_gain19: '20'
    if_gain2: '20'
    if_gain20: '20'
    if_gain21: '20'
    if_gain22: '20'
    if_gain23: '20'
    if_gain24: '20'
    if_gain25: '20'
    if_gain26: '20'
    if_gain27: '20'
    if_gain28: '20'
    if_gain29: '20'
    if_gain3: '20'
    if_gain30: '20'
    if_gain31: '20'
    if_gain4: '20'
    if_gain5: '20'
    if_gain6: '20'
    if_gain7: '20'
    if_gain8: '20'
    if_gain9: '20'
    iq_balance_mode0: '0'
    iq_balance_mode1: '0'
    iq_balance_mode10: '0'
    iq_balance_mode11: '0'
    iq_balance_mode12: '0'
    iq_balance_mode13: '0'
    iq_balance_mode14: '0'
    iq_balance_mode15: '0'
    iq_balance_mode16: '0'
    iq_balance_mode17: '0'
    iq_balance_mode18: '0'
    iq_balance_mode19: '0'
    iq_balance_mode2: '0'
    iq_balance_mode20: '0'
    iq_balance_mode21: '0'
    iq_balance_mode22: '0'
    iq_balance_mode23: '0'
    iq_balance_mode24: '0'
    iq_balance_mode25: '0'
    iq_balance_mode26: '0'
    iq_balance_mode27: '0'
    iq_balance_mode28: '0'
    iq_balance_mode29: '0'
    iq_balance_mode3: '0'
    iq_balance_mode30: '0'
    iq_balance_mode31: '0'
    iq_balance_mode4: '0'
    iq_balance_mode5: '0'
    iq_balance_mode6: '0'
    iq_balance_mode7: '0'
    iq_balance_mode8: '0'
    iq_balance_mode9: '0'
    maxoutbuf: '0'
    minoutbuf: '0'
    nchan: '1'
    num_mboards: '1'
    sample_rate: samp_rate
    sync: sync
    time_source0: ''
    time_source1: ''
    time_source2: ''
    time_source3: ''
    time_source4: ''
    time_source5: ''
    time_source6: ''
    time_source7: ''
    type: fc32
  states:
    coordinate: [288, 208]
    rotation: 0
    state: enabled

connections:
- [osmosdr_source_0, '0', epy_block_0, '0']

metadata:
  file_format: 1
  grc_version: 3.10.9.2