FreeDATA/tnc/main.py

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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
"""
Created on Tue Dec 22 16:58:45 2020
@author: DJ2LS
"""
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import argparse
import threading
import static
import socketserver
import helpers
import data_handler
import structlog
import log_handler
import modem
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import sys
import signal
import time
import multiprocessing
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# signal handler for closing aplication
def signal_handler(sig, frame):
print('Closing tnc...')
sock.CLOSE_SIGNAL = True
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
if __name__ == '__main__':
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# we need to run this on windows for multiprocessing support
multiprocessing.freeze_support()
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# --------------------------------------------GET PARAMETER INPUTS
PARSER = argparse.ArgumentParser(description='FreeDATA TNC')
PARSER.add_argument('--mycall', dest="mycall", default="AA0AA", help="My callsign", type=str)
PARSER.add_argument('--mygrid', dest="mygrid", default="JN12AA", help="My gridsquare", type=str)
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PARSER.add_argument('--rx', dest="audio_input_device", default=0, help="listening sound card", type=int)
PARSER.add_argument('--tx', dest="audio_output_device", default=0, help="transmitting sound card", type=int)
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PARSER.add_argument('--port', dest="socket_port", default=3000, help="Socket port", type=int)
PARSER.add_argument('--deviceport', dest="hamlib_device_port", default="/dev/ttyUSB0", help="Hamlib device port", type=str)
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PARSER.add_argument('--devicename', dest="hamlib_device_name", default="2028", help="Hamlib device name", type=str)
PARSER.add_argument('--serialspeed', dest="hamlib_serialspeed", choices=[1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200], default=9600, help="Serialspeed", type=int)
PARSER.add_argument('--pttprotocol', dest="hamlib_ptt_type", choices=['USB', 'RIG', 'RTS', 'DTR'], default='USB', help="PTT Type", type=str)
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PARSER.add_argument('--pttport', dest="hamlib_ptt_port", default="/dev/ttyUSB0", help="PTT Port", type=str)
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PARSER.add_argument('--data_bits', dest="hamlib_data_bits", choices=[7, 8], default=8, help="Hamlib data bits", type=int)
PARSER.add_argument('--stop_bits', dest="hamlib_stop_bits", choices=[1, 2], default=1, help="Hamlib stop bits", type=int)
PARSER.add_argument('--handshake', dest="hamlib_handshake", default="None", help="Hamlib handshake", type=str)
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PARSER.add_argument('--radiocontrol', dest="hamlib_radiocontrol", choices=['disabled', 'direct', 'rigctl', 'rigctld'], default="disabled", help="Set how you want to control your radio")
PARSER.add_argument('--rigctld_port', dest="rigctld_port", default=4532, type=int, help="Set rigctld port")
PARSER.add_argument('--rigctld_ip', dest="rigctld_ip", default="localhost", help="Set rigctld ip")
PARSER.add_argument('--scatter', dest="send_scatter", action="store_true", help="Send scatter information via network")
PARSER.add_argument('--fft', dest="send_fft", action="store_true", help="Send fft information via network")
PARSER.add_argument('--500hz', dest="low_bandwith_mode", action="store_true", help="Enable low bandwith mode ( 500 Hz only )")
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ARGS = PARSER.parse_args()
static.MYCALLSIGN = bytes(ARGS.mycall, 'utf-8')
static.MYCALLSIGN_CRC = helpers.get_crc_16(static.MYCALLSIGN)
static.MYGRID = bytes(ARGS.mygrid, 'utf-8')
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static.AUDIO_INPUT_DEVICE = ARGS.audio_input_device
static.AUDIO_OUTPUT_DEVICE = ARGS.audio_output_device
static.PORT = ARGS.socket_port
static.HAMLIB_DEVICE_NAME = ARGS.hamlib_device_name
static.HAMLIB_DEVICE_PORT = ARGS.hamlib_device_port
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static.HAMLIB_PTT_TYPE = ARGS.hamlib_ptt_type
static.HAMLIB_PTT_PORT = ARGS.hamlib_ptt_port
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static.HAMLIB_SERIAL_SPEED = str(ARGS.hamlib_serialspeed)
static.HAMLIB_DATA_BITS = str(ARGS.hamlib_data_bits)
static.HAMLIB_STOP_BITS = str(ARGS.hamlib_stop_bits)
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static.HAMLIB_HANDSHAKE = ARGS.hamlib_handshake
static.HAMLIB_RADIOCONTROL = ARGS.hamlib_radiocontrol
static.HAMLIB_RGICTLD_IP = ARGS.rigctld_ip
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static.HAMLIB_RGICTLD_PORT = str(ARGS.rigctld_port)
static.ENABLE_SCATTER = ARGS.send_scatter
static.ENABLE_FFT = ARGS.send_fft
static.LOW_BANDWITH_MODE = ARGS.low_bandwith_mode
# we need to wait until we got all parameters from argparse first before we can load the other modules
import sock
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# config logging
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log_handler.setup_logging("tnc")
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structlog.get_logger("structlog").info("[TNC] Starting FreeDATA", author="DJ2LS", year="2022", version="0.1")
# start data handler
data_handler.DATA()
# start modem
modem = modem.RF()
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# --------------------------------------------START CMD SERVER
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try:
structlog.get_logger("structlog").info("[TNC] Starting TCP/IP socket", port=static.PORT)
# https://stackoverflow.com/a/16641793
socketserver.TCPServer.allow_reuse_address = True
cmdserver = sock.ThreadedTCPServer((static.HOST, static.PORT), sock.ThreadedTCPRequestHandler)
server_thread = threading.Thread(target=cmdserver.serve_forever)
server_thread.daemon = True
server_thread.start()
except Exception as e:
structlog.get_logger("structlog").error("[TNC] Starting TCP/IP socket failed", port=static.PORT, e=e)
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os._exit(1)
while 1:
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time.sleep(1)