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gr-satellites LilacSat-1 image downlink

LilacSat-1 image downlink: BPSK demodulator and LilacSat-1 deframer, printing the frames the image is carried in

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Blocks used

BlockModuleUsed
BPSK Demodulatorgr-satellites1
GR World RecordingGNU Radio1
LilacSat-1 Deframergr-satellites1
Message DebugGNU Radio1
NoteGNU Radio1
Short To FloatGNU Radio1
VariableGNU Radio1

Notes in this flowgraph

Flowgraph source

gr-satellites/satellites_image_receiver_lilacsat1.grc
options:
    parameters:
        author: Daniel Estevez
        copyright: ''
        description: 'LilacSat-1 image downlink: BPSK demodulator and LilacSat-1 deframer, printing the frames the image is carried in'
        generate_options: qt_gui
        id: gr_satellites_LilacSat_1_image_downlink
        title: gr-satellites LilacSat-1 image downlink
    states:
        coordinate: [10, 10]
        rotation: 0
        state: enabled
blocks:
-   name: samp_rate
    id: variable
    parameters:
        comment: ''
        value: '48000'
    states:
        coordinate: [580, 10]
        rotation: 0
        state: enabled
-   name: bpsk_demod
    id: satellites_bpsk_demodulator
    parameters:
        affinity: ''
        alias: ''
        baudrate: '9600'
        comment: ''
        differential: 'False'
        f_offset: '12000'
        iq: 'False'
        manchester: 'False'
        maxoutbuf: '0'
        minoutbuf: '0'
        options: '""'
        samp_rate: samp_rate
    states:
        coordinate: [630, 240]
        rotation: 0
        state: enabled
-   name: deframer
    id: satellites_lilacsat_1_deframer
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        maxoutbuf: '0'
        minoutbuf: '0'
        options: '""'
        threshold: '4'
    states:
        coordinate: [990, 260]
        rotation: 0
        state: enabled
-   name: frames
    id: blocks_message_debug
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        en_uvec: 'True'
        log_level: info
    states:
        coordinate: [1390, 170]
        rotation: 0
        state: enabled
-   name: image_note
    id: note
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        note: Upstream assembles the JPEG with the Python image receiver, behind the all-in-one Satellite Decoder. Both are Python-only, so the chain is explicit here and the KISS frames carrying the image are printed.
    states:
        coordinate: [750, 10]
        rotation: 0
        state: enabled
-   name: recording
    id: wasm_gr_world_recording
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        length: '0'
        maxoutbuf: '0'
        minoutbuf: '0'
        offset: '0'
        recording: estevez/lilacsat1-image
        repeat: 'False'
        type: short
    states:
        coordinate: [10, 240]
        rotation: 0
        state: enabled
-   name: to_float
    id: blocks_short_to_float
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        maxoutbuf: '0'
        minoutbuf: '0'
        scale: '32767'
        vlen: '1'
    states:
        coordinate: [370, 270]
        rotation: 0
        state: enabled
connections:
- [bpsk_demod, '0', deframer, '0']
-   src_blk_id: deframer
    src_port_id: out
    snk_blk_id: frames
    snk_port_id: print_pdu
- [recording, '0', to_float, '0']
- [to_float, '0', bpsk_demod, '0']
metadata:
    file_format: 2
    grc_version: 3.11.0.0