firestarter

Web Interface to start and stop my fireplace.

Manual sys 'API'

Setup Pins

echo "2" > /sys/class/gpio/export
echo "3" > /sys/class/gpio/export
echo "in" > /sys/class/gpio/gpio3/direction
echo "out" > /sys/class/gpio/gpio2/direction && echo "1" > /sys/class/gpio/gpio2/value

Get State

cat /sys/class/gpio/gpio3/value

Change State

echo "0" > /sys/class/gpio/gpio2/value && sleep 0.1 && echo "1" > /sys/class/gpio/gpio2/value

Default State

echo "2" > /sys/class/gpio/unexport
echo "3" > /sys/class/gpio/unexport

RaspberryPi firestarter HAT Schematic

• J1 to RaspberryPi expansion header
• J2 to existing control wires
• J3 to existing manual switch

Docker

Docker build works and defaults to two workers with gunicorn.

• docker build -t firestarter .

Development

Install all into a virtualenv and start like any other gunicorn aiohttp web application.

• uvloop is default but optional ...

sudo apt install python3-rpi.gpio
python3 -m venv --system-site-packages /tmp/tbf/
/tmp/tbf/bin/pip install --upgrade pip setuptools
/tmp/tbf/bin/pip install -e .
/tmp/tbf/bin/gunicorn --bind=[::]:1469 --access-logfile=- --name=firestarter \
    --workers=1 --worker-class=aiohttp.worker.GunicornUVLoopWebWorker "firestarter.server:serve"