GoPro interval photo taker (Hero5)

gp_latest_photo_url

#!/bin/bash

tmpfile=$(mktemp)

while true; do
  curl --silent http://10.5.5.9/gp/gpMediaList > $tmpfile
  grep "busy" $tmpfile > /dev/null
  if [ $? -eq 1 ]; then break; fi
  sleep 1
done

# Format:
# {"id":"1155632757213017663","media":[..., {"d":"100GOPRO","fs":[..., {"n":"GOPR0001.JPG","mod":"1620260578","s":"3267875"}]}]}

d=$(cat $tmpfile | jq -r ".media[-1].d")
n=$(cat $tmpfile | jq -r ".media[-1].fs[-1].n")

echo http://10.5.5.9/videos/DCIM/$d/$n

rm $tmpfile

gp_take_photo

#!/bin/bash

MACADDR=SET_MAC_ADDRESS_HERE
MAX_RETRY=20

echo "Turning on GoPro..."
retry=0
while true; do
  sudo gatttool -t random -b $MACADDR --char-write-req -a 0x2f -n 03170101
  if [ $? -eq 0 ]; then echo "  OK."; break; fi
  retry=$((retry + 1))
  if [ $retry -ge $MAX_RETRY ]; then
    echo "  retrying count exceeded max retry count (${MAX_RETRY})"
    exit 1
  fi
  echo "  retrying (${retry} tried / ${MAX_RETRY})"
done

echo "Waiting Wi-Fi connection... (iw link)"
retry=0
while true; do
  iw wlan0 link | grep "Not connected" > /dev/null
  if [ $? -eq 1 ]; then echo "  OK."; break; fi
  retry=$((retry + 1))
  if [ $retry -ge $MAX_RETRY ]; then
    echo "  retrying count exceeded max retry count (${MAX_RETRY})"
    exit 1
  fi
  echo "  retrying (${retry} tried / ${MAX_RETRY})"
  sleep 2
done

echo "Waiting Wi-Fi connection... (ip addr)"
retry=0
while true; do
  ip addr show dev wlan0 | grep "NO-CARRIER"
  if [ $? -eq 1 ]; then echo "  OK."; break; fi
  retry=$((retry + 1))
  if [ $retry -ge $MAX_RETRY ]; then
    echo "  retrying count exceeded max retry count (${MAX_RETRY})"
    exit 1
  fi
  echo "  retrying (${retry} tried / ${MAX_RETRY})"
  sleep 2
done

echo "Waiting Wi-Fi connection... (REST API)"
retry=0
while true; do
  curl --silent http://10.5.5.9/gp/gpControl/status > /dev/null
  if [ $? -eq 0 ]; then echo "  OK."; break; fi
  retry=$((retry + 1))
  if [ $retry -ge $MAX_RETRY ]; then
    echo "  retrying count exceeded max retry count (${MAX_RETRY})"
    exit 1
  fi
  echo "  retrying (${retry} tried / ${MAX_RETRY})"
  sleep 2
done

echo "Connected over Wi-Fi."

echo

echo "Set photo mode"
# mode 1 is only for Hero 5
# sub_mode: 1 (photo), 2 (night photo)
curl --silent "http://10.5.5.9/gp/gpControl/command/sub_mode?mode=1&sub_mode=1" > /dev/null
[ $? -ne 0 ] && echo "  Failed" && exit 1
echo "  OK."

echo "Setting resolution"

RESOLUTION_12MP_WIDE=http://10.5.5.9/gp/gpControl/setting/17/0
RESOLUTION_12MP_LINEAR=http://10.5.5.9/gp/gpControl/setting/17/10
RESOLUTION_12MP_MEDIUM=http://10.5.5.9/gp/gpControl/setting/17/8
RESOLUTION_12MP_NARROW=http://10.5.5.9/gp/gpControl/setting/17/9

curl --silent $RESOLUTION_12MP_LINEAR > /dev/null
[ $? -ne 0 ] && echo "  Failed" && exit 1
echo "  OK."

echo "Waiting to get stable (3sec) ..."
sleep 3

echo "Trigger shutter..."
curl --silent "http://10.5.5.9/gp/gpControl/command/shutter?p=1" > /dev/null
[ $? -ne 0 ] && echo "  Failed" && exit 1
echo "  OK."

sleep 1

url=$(./gp_latest_photo_url)
echo "Taken photo url: ${url}, downloading..."
if [[ $DEBUG = "" ]]; then
  wget -P /tmp $url
else
  echo "  Enabled debug mode, set destination to /dev/null"
  wget -O /dev/null $url
fi
echo "  OK."

echo "Fetch status"
curl --silent http://10.5.5.9/gp/gpControl/status | jq -c '.status | {"BattPercent": ."70", "PhotosTaken":."38"}' | tee -a /tmp/gopro_bench
[ $? -ne 0 ] && echo "  Failed" && exit 1
echo "  OK."

echo "Turning off"
curl --silent "http://10.5.5.9/gp/gpControl/command/system/sleep"
[ $? -ne 0 ] && echo "  Failed" && exit 1
echo "  OK."

# sudo gatttool -t random -b $MACADDR --char-write-req -a 0x2f -n 0105