'''
Copyright (C) 2016 Bastille Networks
This program 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.
This program 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 <http://www.gnu.org/licenses/>.
'''
import logging, argparse
from nrf24 import *
channels = []
args = None
parser = None
radio = None
# Initialize the argument parser
def init_args(description):
global parser
parser = argparse.ArgumentParser(description,
formatter_class=lambda prog: argparse.HelpFormatter(prog,max_help_position=50,width=120))
parser.add_argument('-c', '--channels', type=int, nargs='+', help='RF channels', default=range(2, 84), metavar='N')
parser.add_argument('-v', '--verbose', action='store_true', help='Enable verbose output', default=False)
parser.add_argument('-l', '--lna', action='store_true', help='Enable the LNA (for CrazyRadio PA dongles)', default=False)
parser.add_argument('-i', '--index', type=int, help='Dongle index', default=0)
# Parse and process common comand line arguments
def parse_and_init():
global parser
global args
global channels
global radio
# Parse the command line arguments
args = parser.parse_args()
# Setup logging
level = logging.DEBUG if args.verbose else logging.INFO
logging.basicConfig(level=level, format='[%(asctime)s.%(msecs)03d] %(message)s', datefmt="%Y-%m-%d %H:%M:%S")
# Set the channels
channels = args.channels
logging.debug('Using channels {0}'.format(', '.join(str(c) for c in channels)))
# Initialize the radio
radio = nrf24(args.index)
if args.lna: radio.enable_lna()
