ocp-parking-meter

Contains code that will run on parking meter. It should integrate with the parking meter peripherals and send requests to web service.

Setup

GPIO 25 is start button (button 1)
GPIO 17 is idea button (button 2)
GPIO 23 is print button (button 3)
Adafruit LCD backpack is used via serial port ttyACM0 at baud rate 115200
Adafruit Thermal Printer is used via serial port ttyUSB0 at baud rate 19200

Instructions and use case

normal running (not in background) python script.py
run in background nohup python /home/pi/ocp-parking-meter/script.py >/dev/null 2>&1 &
load new data python data-collector.py
load new data then auto start script ./data-loader-cron.sh

Crons

Please set the following cron jobs
set backlight off every minute */1 * * * * /home/pi/ocp-parking-meter/backlight-cron.sh
set script to check every hour and reboot if not running 0 * * * * /home/pi/ocp-parking-meter/script-rebooter-cron.sh
set script to reload data from server every day at midnight 0 0 * * * sudo /home/pi/ocp-parking-meter/data-loader-cron.sh

add to /etc/rc.local to start up the script when pi is booted

nohup python /home/pi/ocp-parking-meter/script.py >/dev/null 2>&1 &