root privileges check

main
fanta 3 days ago
parent fcffc5ed8f
commit 9e9edac6e3

@ -1,25 +1,36 @@
# https://56k.es/fanta/utilizando-un-modulo-gps-usb-barato-en-gnulinux/
# apt install python3-nmea2 python3-serial
# NMEA 0183 PROTOCOL: https://www.serialmon.com/protocols/nmea0183.shtml
# ('Timestamp', 'timestamp', timestamp),
# ('Latitude', 'lat'),
# ('Latitude Direction', 'lat_dir'),
# ('Longitude', 'lon'),
# ('Longitude Direction', 'lon_dir'),
# ('GPS Quality Indicator', 'gps_qual', int),
# ('Number of Satellites in use', 'num_sats'),
# ('Horizontal Dilution of Precision', 'horizontal_dil'),
# ('Antenna Alt above sea level (mean)', 'altitude', float),
# ('Units of altitude (meters)', 'altitude_units'),
# ('Geoidal Separation', 'geo_sep'),
# ('Units of Geoidal Separation (meters)', 'geo_sep_units'),
# ('Age of Differential GPS Data (secs)', 'age_gps_data'),
# ('Differential Reference Station ID', 'ref_station_id'),
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
https://56k.es/fanta/utilizando-un-modulo-gps-usb-barato-en-gnulinux/
apt install python3-nmea2 python3-serial
NMEA 0183 PROTOCOL: https://www.serialmon.com/protocols/nmea0183.shtml
'Timestamp', 'timestamp'
'Latitude', 'lat'
'Latitude Direction', 'lat_dir'
'Longitude', 'lon'
'Longitude Direction', 'lon_dir'
'GPS Quality Indicator', 'gps_qual', int
'Number of Satellites in use', 'num_sats'
'Horizontal Dilution of Precision', 'horizontal_dil'
'Antenna Alt above sea level (mean)', 'altitude', float
'Units of altitude (meters)', 'altitude_units'
'Geoidal Separation', 'geo_sep'
'Units of Geoidal Separation (meters)', 'geo_sep_units'
'Age of Differential GPS Data (secs)', 'age_gps_data'
'Differential Reference Station ID', 'ref_station_id'
"""
import io
import os
import sys
import pynmea2
import serial
if os.geteuid() != 0:
sys.exit("You need to have root privileges to run this script.\nPlease try again, this time using 'sudo' for example. Exiting.")
ser = serial.Serial('/dev/ttyACM0', 9600, timeout=5.0)
sio = io.TextIOWrapper(io.BufferedRWPair(ser, ser))

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