kopia lustrzana https://github.com/projecthorus/horusdemodlib
31 wiersze
1.2 KiB
Bash
Executable File
31 wiersze
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Horus Binary KA9Q-Radio Helper Script
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#
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# Uses ka9q-radio (pcmrecord) to receive a chunk of spectrum, and passes it into horus_demod.
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#
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# Calculate the frequency estimator limits
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FSK_LOWER=$(echo "$RXBANDWIDTH / -2" | bc)
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FSK_UPPER=$(echo "$RXBANDWIDTH / 2" | bc)
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SSRC=$(($RXFREQ / 1000))01
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RADIO=$(echo $SDR_DEVICE | sed 's/-pcm//g')
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echo "Using SDR Centre Frequency: $RXFREQ Hz"
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echo "Using SSRC: $SSRC"
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echo "Using PCM stream: $SDR_DEVICE"
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echo "Using FSK estimation range: $FSK_LOWER - $FSK_UPPER Hz"
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cleanup () {
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echo "Closing channel $SSRC at frequency $RXFREQ"
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tune --samprate 48000 --mode iq --low $FSK_LOWER --high $FSK_UPPER --frequency 0 --ssrc $SSRC --radio $RADIO
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}
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trap cleanup EXIT
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# Start the receive chain.
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# Note that we now pass in the SDR centre frequency ($RXFREQ) and 'target' signal frequency ($RXFREQ)
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# to enable providing additional metadata to Habitat / Sondehub.
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timeout 5 tune --samprate 48000 --mode iq --low $FSK_LOWER --high $FSK_UPPER --frequency $RXFREQ --ssrc $SSRC --radio $RADIO
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pcmrecord --ssrc $SSRC --catmode --raw $SDR_DEVICE | $DECODER -q --stats=5 -g -m binary --fsk_lower=$FSK_LOWER --fsk_upper=$FSK_UPPER - - | python3 -m horusdemodlib.uploader --freq_hz $RXFREQ --freq_target_hz $RXFREQ $@ |