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FreeDATA/tnc/main.py

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#!/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 multiprocessing
import os
import signal
import socketserver
import sys
import threading
import time
import config
import data_handler
import helpers
import log_handler
import modem
import static
import structlog
log = structlog.get_logger("main")
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__":
# This is for Windows multiprocessing support
multiprocessing.freeze_support()
# --------------------------------------------GET PARAMETER INPUTS
PARSER = argparse.ArgumentParser(description="FreeDATA TNC")
PARSER.add_argument(
"--use-config",
dest="configfile",
action="store_true",
help="Use the default config file config.ini",
)
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_bandwidth_mode",
action="store_true",
help="Enable low bandwidth 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,
)
PARSER.add_argument(
"--rx-buffer-size",
dest="rx_buffer_size",
default=16,
help="Set the maximum size of rx buffer.",
type=int,
)
ARGS = PARSER.parse_args()
if ARGS.configfile:
# init config
config = config.CONFIG().read_config()
# additional step for being sure our callsign is correctly
# in case we are not getting a station ssid
# then we are forcing a station ssid = 0
mycallsign = bytes(config['STATION']['mycall'], "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 = [] ####
static.MYGRID = bytes(config['STATION']['mygrid'], "utf-8")
static.AUDIO_INPUT_DEVICE = int(config['AUDIO']['rx'])
static.AUDIO_OUTPUT_DEVICE = int(config['AUDIO']['tx'])
static.PORT = int(config['NETWORK']['tncport'])
static.HAMLIB_DEVICE_NAME = config['RADIO']['devicename']
static.HAMLIB_DEVICE_PORT = config['RADIO']['deviceport']
static.HAMLIB_PTT_TYPE = config['RADIO']['pttprotocol']
static.HAMLIB_PTT_PORT = config['RADIO']['pttport']
static.HAMLIB_SERIAL_SPEED = str(config['RADIO']['serialspeed'])
static.HAMLIB_DATA_BITS = str(config['RADIO']['data_bits'])
static.HAMLIB_STOP_BITS = str(config['RADIO']['stop_bits'])
static.HAMLIB_HANDSHAKE = config['RADIO']['handshake']
static.HAMLIB_RADIOCONTROL = config['RADIO']['radiocontrol']
static.HAMLIB_RIGCTLD_IP = config['RADIO']['rigctld_ip']
static.HAMLIB_RIGCTLD_PORT = str(config['RADIO']['rigctld_port'])
static.ENABLE_SCATTER = config['TNC']['scatter']
static.ENABLE_FFT = config['TNC']['fft']
static.ENABLE_FSK = False
static.LOW_BANDWIDTH_MODE = config['TNC']['narrowband']
static.TUNING_RANGE_FMIN = float(config['TNC']['fmin'])
static.TUNING_RANGE_FMAX = float(config['TNC']['fmax'])
static.TX_AUDIO_LEVEL = config['AUDIO']['txaudiolevel']
static.RESPOND_TO_CQ = config['TNC']['qrv']
static.RX_BUFFER_SIZE = config['TNC']['rxbuffersize']
else:
# additional step for being 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_RIGCTLD_IP = ARGS.rigctld_ip
static.HAMLIB_RIGCTLD_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_BANDWIDTH_MODE = ARGS.low_bandwidth_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
static.RX_BUFFER_SIZE = ARGS.rx_buffer_size
# 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 in ["win32", "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 Exception as err:
log.error("[DMN] logger init error", exception=err)
log.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:
log.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 err:
log.error("[TNC] Starting TCP/IP socket failed", port=static.PORT, e=err)
sys.exit(1)
while True:
time.sleep(1)
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