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Add demo script for using Darknet as engine.

Signed-off-by: Bofu Chen (bafu) <bofu@dt42.io>
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bafu committed Jan 20, 2019
1 parent c6b3ec7 commit e4ee83989ba2c4ba8ca01ea2ea9a9360060791ad
Showing with 92 additions and 0 deletions.
  1. +92 −0 examples/run-darknet-detector.sh
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#!/bin/bash
#
# Copyright 2019 DT42
#
# This file is part of BerryNet.
#
# BerryNet is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# BerryNet is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with BerryNet. If not, see <http://www.gnu.org/licenses/>.

# Example: Run Darknet detector.

set -e

SCRIPT_NAME=$0
COMMAND=$1


usage() {
echo -e "Usage:\n\t$ bash $SCRIPT_NAME start|stop"
exit 1
}

kill_script() {
local script_name=$1
local ext=${script_name##*.}
local interpreter=""
if [ "$ext" == "py" ]; then
interpreter="python3"
elif [ "$ext" == "js" ]; then
interpreter="nodejs"
else
interpreter="bash"
fi
local process_id=$(ps aux | grep $script_name | grep $interpreter | awk '{print $2}')
echo "Terminate $script_name (pid $process_id)"
kill -9 $process_id
}

example_start() {
# Run Freeboard
echo -n "Run Dashboard..."
pushd /usr/lib/berrynet/dashboard > /dev/null
nodejs server.js >> /tmp/berrynet-example.log &
popd > /dev/null
echo "done"

# Run Darknet detector
echo -n "Run Darknet detector..."
sleep 1
python3 /usr/lib/python3/dist-packages/berrynet/service/darknet_service.py \
--service_name detector \
--model_package tinyyolovoc-20170816 \
--draw \
--debug >> /tmp/berrynet-example.log 2>&1 &
echo "done"

# Run camera client
echo -n "Run Camera..."
sleep 1
python3 /usr/lib/python3/dist-packages/berrynet/client/camera.py \
--fps 0.5 >> /tmp/berrynet-example.log 2>&1 &
echo "done"
}

example_stop() {
kill_script "camera.py"
kill_script "darknet_service.py"
kill_script "server.js"
}

main() {
local cmd=$1
if [ "$cmd" == "start" ]; then
example_start
elif [ "$cmd" == "stop" ]; then
example_stop
else
usage
fi
}

main $COMMAND

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