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44 lines
1.5 KiB
44 lines
1.5 KiB
#!/bin/bash
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# script to transmit SSTV images
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echo
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echo "Script to transmit SSTV images from Pi Camera using CubeSatSim Lite"
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echo
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echo "Transmitting stored image while preparing live image"
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echo
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#cat /home/pi/CubeSatSim/wav/sstv.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 &
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(while true; do (sleep 5 && cat /home/pi/CubeSatSim/wav/sstv.wav); done) | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 &
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#(while true; do (sleep 5 && cat /home/pi/CubeSatSim/wav/sstv.wav); done) | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1 &
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#(while true; do (sleep 5 && cat /home/pi/CubeSatSim/wav/sstv.wav); done) | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 &>/dev/null &
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echo "Taking picture with Pi Camera to Desktop camera.jpg"
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echo
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raspistill -o ~/Desktop/camera.jpg -w 640 -h 496 > /dev/null 2>&1
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echo "Converting image to SSTV with pysstv (takes about a minute)"
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echo
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python3 -m pysstv --mode PD120 ~/Desktop/camera.jpg sstv_camera.wav > /dev/null 2>&1
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echo "Transmitting PD120 SSTV image on 434.9 MHz using rpitx (takes about two minutes to send)"
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echo
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sudo systemctl stop rpitx
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sudo killall -9 rpitx > /dev/null 2>&1
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cat sstv_camera.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1
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