#
# Simple program to read gpsd and return the APRS formatted position string including the APRS symbol.
# Can be used to generate position beacons
#
# (C)2025 M.T. Konstapel https://meezenest.nl/mees
#
#    get_position.oy is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    PE1RXF-APRS-server is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#

#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
#

import gpsd2

import geo_util

# Define APRS symbol, camp ground = /;
SymbolTableIdentifier = '/'
SymbolCode = ';'

try:
    # Connect to the local gpsd
    gpsd2.connect()

    # Connect somewhere else
    gpsd2.connect(host="127.0.0.1", port=2947)

    # Get gps position
    packet = gpsd2.get_current()

    # See the inline docs for GpsResponse for the available data
    aprs_position = packet.position()
except:
  aprs_position = (0,0)


# Translate the gps location data to the APRS location standard
aprs_lat = geo_util.dec2dm_lat(aprs_position[0])
aprs_lng = geo_util.dec2dm_lng(aprs_position[1])
aprs_location='!'+aprs_lat+SymbolTableIdentifier+aprs_lng+SymbolCode

aprs_beacon = aprs_location + 'Portable HAM station'

print(aprs_location)
#print(aprs_beacon)