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Hermann-SW/long_exposure

Created October 19, 2020 16:23
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Shell script to capture arbitrary long exposures with Raspberry HQ camera, no 239 second limit
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long_exposure
#!/bin/bash
if [ ! -f /var/run/pigpio.pid ]; then sudo pigpiod -s 1; sleep 0.5; fi
pigs hp 18 80 3
raspivid -md 4 -w 1012 -h 760 -fps 80 -o tst.h264 -pts tst.pts -p 500,22,506,380 -t $(($1*1000 + 3000)) &
pid=$!
sleep 2
pigs w 18 0
sleep $1
sudo ./nanopulse 39 1 9
wait
sleep 2
echo ...
tail -5 tst.pts
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Used in thread after this posting:
https://www.raspberrypi.org/forums/viewtopic.php?f=43&t=273358&p=1741451#p1741091

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