GPS Info To OLED

#!/bin/ash

# Get the GPS information and write it to a file.
ubus -S call gps info > /root/gpsinfo.txt

# Call the python script to write to the OLED.
python /root/showgps.py

# Exit the script
exit 0

#!/usr/bin/env python

#======================================================
# Show GPS Location on the OLED Screen on the Omega 2+
# Written By: Brad Buskey
# Contact Me: deckyon@gmail.com
#======================================================

#Initialize the script and pull in the required libraries.
from OmegaExpansion import oledExp
import time
import json
import os

# Initialize and clear the OLED screen
oledExp.setVerbosity(0)
oledExp.setTextColumns()
oledExp.driverInit()

# Draw the header for the display
oledExp.setCursor(0, 0)
oledExp.write("__Current GPS Info__")
oledExp.setCursor(1, 0)
oledExp.write("====================")

# Check fo the file size of gpsinfo.txt and exit if < 1
if os.path.getsize('/root/gpsinfo.txt') == 0:
	# File is empty or doesnt exist
	oledExp.setCursor(3, 0)
	oledExp.write("GPS Info doesnt seem")
	oledExp.setCursor(4, 0)
	oledExp.write("to exist.")
	oledExp.setCursor(6, 0)
	oledExp.write("Check GPSInfo file.")
	exit()

# Get the data fro mthe file written to in the shell script.
with file('/root/gpsinfo.txt', 'r') as gpsfile:
	gpsinfo = json.load(gpsfile)
	
# Pause the script and pretend to look stuff up.
time.sleep(2)

# Test for the existence of a GPS signal
if gpsinfo.has_key('signal'):
	# No GPS Signal, let the OLED reflect that
	oledExp.setCursor(3, 0)
	oledExp.write("No GPS signal found")
	oledExp.setCursor(4, 0)
	oledExp.write("Please try later!")
elif gpsinfo.has_key('latitude'):
	# Pull out the data from the desired fields in the dictionary 'gpsinfo'
	lat=gpsinfo['latitude']
	lon=gpsinfo['longitude']
	elv=gpsinfo['elevation']
	cou=gpsinfo['course']
	spd=gpsinfo['speed']
	# Build the data strings to be written to the OLED
	lat="Latitude : "+lat
	lon="Longitude: "+lon
	elv="Elevation: "+elv
	cou="Course   : "+cou
	spd="Speed    : "+spd
	# Draw out the rest of the information gathered from 'gpsinfo'
	oledExp.setCursor(2, 0)
	oledExp.write(lat)
	oledExp.setCursor(3, 0)
	oledExp.write(lon)
	oledExp.setCursor(4, 0)
	oledExp.write(elv)
	oledExp.setCursor(5, 0)
	oledExp.write(cou)
	oledExp.setCursor(6, 0)
	oledExp.write(spd)
	
# Exit the script cleanly
exit()

{"age":6357,"latitude":"38.1234","longitude":"-80.1234","elevation":"1234.5","course":"12.34","speed":"N"}

{"signal":"false"}