offline-gps-pi

Offline GPS Raspberry pi app

Installation

Install updates
```
sudo apt update & sudo apt upgrade -y
```
Update boot Config File, enable serial and i2c, and disable serial console. look in the examples folder.
```
sudo nano /boot/config.txt
```

Install required software packages for the gps chip

sudo apt install -y chrony gpsd gpsd-tools git pps-tools

Install required software packages for the lcd screen

sudo apt install -y python3-pip python3-pil python3-numpy python3-smbus python3-serial python3-dev python3-spidev

Install required software packages for this app

sudo apt install -y libosmium2-dev osmium-tool pyosmium libgdal-dev cmake python3-networkx

Turn off the pi
```
sudo reboot
```
Install the components for both devices if you do this earlier it might make your pi unstable (ask me how i know), at least leave the power lines disconnected until the software is installed.
Configure gpsd and chrony using the provided files in the examples folder

enable the gpsd service & chrony service

sudo systemctl enable gpsd && sudo systemctl start gpsd
sudo systemctl enable chrony && sudo systemctl start chrony

create venv and install requirements

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt