FreeDATA/tnc/main.py
dj2ls 57e4af83af first test with 24bit crc
moved from 16bit crc to 24bit crc...First test for ping and file transfer seems to be working... This has been too easy... 🤔
2022-04-19 11:09:11 +02:00

162 lines
7.7 KiB
Python
Executable file

#!/usr/bin/python3
# -*- coding: utf-8 -*-
"""
Created on Tue Dec 22 16:58:45 2020
@author: DJ2LS
main module for running the tnc
"""
import argparse
import threading
import static
import socketserver
import helpers
import data_handler
import structlog
import log_handler
import modem
import sys
import os
import signal
import time
import multiprocessing
# signal handler for closing aplication
def signal_handler(sig, frame):
"""
a signal handler, which closes the network/socket when closing the application
Args:
sig: signal
frame:
Returns: system exit
"""
print('Closing TNC...')
sock.CLOSE_SIGNAL = True
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
if __name__ == '__main__':
# we need to run this on windows for multiprocessing support
multiprocessing.freeze_support()
# --------------------------------------------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('--ssid', dest="ssid_list", nargs='*', default=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15], help="SSID list we are responding to", type=str)
PARSER.add_argument('--mygrid', dest="mygrid", default="JN12AA", help="My gridsquare", type=str)
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)
PARSER.add_argument('--port', dest="socket_port", default=3000, help="Socket port in the range of 1024-65536", type=int)
PARSER.add_argument('--deviceport', dest="hamlib_device_port", default="/dev/ttyUSB0", help="Hamlib device port", type=str)
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', 'CM108', 'MICDATA', 'PARALLEL', 'DTR-H', 'DTR-L', 'NONE'], default='USB', help="PTT Type", type=str)
PARSER.add_argument('--pttport', dest="hamlib_ptt_port", default="/dev/ttyUSB0", help="PTT Port", type=str)
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)
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 )")
PARSER.add_argument('--fsk', dest="enable_fsk", action="store_true", help="Enable FSK mode for ping, beacon and CQ")
PARSER.add_argument('--qrv', dest="enable_respond_to_cq", action="store_true", help="Enable sending a QRV frame if CQ received")
PARSER.add_argument('--tuning_range_fmin', dest="tuning_range_fmin", choices=[-50.0, -100.0, -150.0, -200.0, -250.0], default=-50.0, help="Tuning range fmin", type=float)
PARSER.add_argument('--tuning_range_fmax', dest="tuning_range_fmax", choices=[50.0, 100.0, 150.0, 200.0, 250.0], default=50.0, help="Tuning range fmax", type=float)
PARSER.add_argument('--tx-audio-level', dest="tx_audio_level", default=50, help="Set the tx audio level at an early stage", type=int)
ARGS = PARSER.parse_args()
# additional step for beeing sure our callsign is correctly
# in case we are not getting a station ssid
# then we are forcing a station ssid = 0
mycallsign = bytes(ARGS.mycall.upper(), 'utf-8')
mycallsign = helpers.callsign_to_bytes(mycallsign)
static.MYCALLSIGN = helpers.bytes_to_callsign(mycallsign)
static.MYCALLSIGN_CRC = helpers.get_crc_24(static.MYCALLSIGN)
static.SSID_LIST = ARGS.ssid_list
static.MYGRID = bytes(ARGS.mygrid, 'utf-8')
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
static.HAMLIB_PTT_TYPE = ARGS.hamlib_ptt_type
static.HAMLIB_PTT_PORT = ARGS.hamlib_ptt_port
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)
static.HAMLIB_HANDSHAKE = ARGS.hamlib_handshake
static.HAMLIB_RADIOCONTROL = ARGS.hamlib_radiocontrol
static.HAMLIB_RGICTLD_IP = ARGS.rigctld_ip
static.HAMLIB_RGICTLD_PORT = str(ARGS.rigctld_port)
static.ENABLE_SCATTER = ARGS.send_scatter
static.ENABLE_FFT = ARGS.send_fft
static.ENABLE_FSK = ARGS.enable_fsk
static.LOW_BANDWITH_MODE = ARGS.low_bandwith_mode
static.TUNING_RANGE_FMIN = ARGS.tuning_range_fmin
static.TUNING_RANGE_FMAX = ARGS.tuning_range_fmax
static.TX_AUDIO_LEVEL = ARGS.tx_audio_level
static.RESPOND_TO_CQ = ARGS.enable_respond_to_cq
# we need to wait until we got all parameters from argparse first before we can load the other modules
import sock
# config logging
try:
if sys.platform == 'linux':
logging_path = os.getenv("HOME") + '/.config/' + 'FreeDATA/' + 'tnc'
if sys.platform == 'darwin':
logging_path = os.getenv("HOME") + '/Library/' + 'Application Support/' + 'FreeDATA/' + 'tnc'
if sys.platform == 'win32' or sys.platform == 'win64':
logging_path = os.getenv('APPDATA') + '/' + 'FreeDATA/' + 'tnc'
if not os.path.exists(logging_path):
os.makedirs(logging_path)
log_handler.setup_logging(logging_path)
except:
structlog.get_logger("structlog").error("[DMN] logger init error")
structlog.get_logger("structlog").info("[TNC] Starting FreeDATA", author="DJ2LS", year="2022", version=static.VERSION)
# start data handler
data_handler.DATA()
# start modem
modem = modem.RF()
# --------------------------------------------START CMD SERVER
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)
os._exit(1)
while 1:
time.sleep(1)