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#!/usr/bin/env python3
#
# Copyright 2018 by Ruben Undheim
#
# This 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, or (at your option)
# any later version.
#
# This software 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 software; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
import argparse
import sys
import gnuradio.dab.app
import os
extra_module_path = os.path.dirname(gnuradio.dab.app.__file__)
sys.path.append(extra_module_path)
parser = argparse.ArgumentParser(description='DAB radio (grdab)')
subparsers = parser.add_subparsers()
parser.add_argument("-z","--zeromq", help="Use zeromq", action="store_true")
parser.add_argument("--server", help="Address to ZeroMQ", default="tcp://127.0.0.1:10444")
parser.add_argument("--server_control", help="Address to ZeroMQ control server", default="tcp://127.0.0.1:10445")
parser.add_argument("--file", help="Run with complex input from file", default=None)
parser.add_argument("--file-repeat", help="Repeat file over and over again", action="store_true")
parser_receive = subparsers.add_parser('receive', help='Receive DAB+ audio')
parser_receive.add_argument("-f","--freq", help="Frequency in MHz", type=float, default=220.352)
parser_receive.add_argument("-a","--audiorate", help="Audio sample rate in Hz", type=int, default=48000)
parser_receive.add_argument("--bit_rate", help="", type=int, default=64)
parser_receive.add_argument("--address", help="", type=int, default=304)
parser_receive.add_argument("--subch_size", help="", type=int, default=64)
parser_receive.add_argument("--protect_level", help="", type=int, default=1)
parser_receive.add_argument("--classic", help="Not DAB+", action="store_true")
parser_receive.add_argument("--skip-xrun-monitor", help="Run without throttle and xrun_buffer", action="store_true")
parser_info = subparsers.add_parser('info', help='Get channel details')
parser_info.add_argument("-f","--freq", help="Frequency in MHz", type=float, default=220.352)
parser_adjust = subparsers.add_parser('adjust', help='Find optimum gain and freq error ppm settings')
parser_adjust.add_argument("-f","--freq", help="Frequency in MHz", type=float, default=220.352)
parser_curses = subparsers.add_parser('curses', help='Run the ncurses listening app')
parser_curses.add_argument("--skip-xrun-monitor", help="Run without throttle and xrun_buffer", action="store_true")
import gnuradio.dab.app.config
import os
cfg_dir = "".join([os.getenv("HOME"),"/.grdab"])
cfg = gnuradio.dab.app.config.Configuration(cfg_dir)
rf_gain = 50
if_gain = 0
bb_gain = 0
ppm = 0
if "gain" in cfg.adjust_config:
rf_gain = cfg.adjust_config["gain"]["gain_rf"]
if_gain = cfg.adjust_config["gain"]["gain_if"]
bb_gain = cfg.adjust_config["gain"]["gain_bb"]
if "ppm" in cfg.adjust_config:
ppm = cfg.adjust_config["ppm"]
def receive_handler(res):
print("receive handler")
gnuradio.dab.app.receive_dabplus(frequency=(res.freq*1e6), rf_gain=rf_gain, if_gain=if_gain, bb_gain=bb_gain, ppm=ppm, audio_sample_rate=res.audiorate, dab_bit_rate=res.bit_rate, dab_address=res.address, dab_subch_size=res.subch_size, dab_protect_level=res.protect_level, use_zeromq=res.zeromq, dabplus=not res.classic, server=res.server, server_control=res.server_control, from_file=res.file, from_file_repeat=res.file_repeat, skip_xrun_monitor=res.skip_xrun_monitor)
def info_handler(res):
print("info handler")
gnuradio.dab.app.get_channels(frequency=(res.freq*1e6), rf_gain=rf_gain, if_gain=if_gain, bb_gain=bb_gain, ppm=ppm, use_zeromq=res.zeromq, server=res.server, server_control=res.server_control, from_file=res.file, from_file_repeat=res.file_repeat)
def adjust_handler(res):
import gnuradio.dab.app.adjustment_gui
print("will open GUI to adjust gain and ppm")
class SubClass(gnuradio.dab.app.adjustment_gui.top_block):
def __init__(self):
super(SubClass, self).__init__(frequency_id_default=26, gain_rf_default=rf_gain, gain_if_default=if_gain, gain_bb_default=bb_gain, ppm_default=ppm, zeromq=res.zeromq, server=res.server, server_control=res.server_control, from_file=res.file, from_file_repeat=res.file_repeat)
def set_variable_qtgui_push_button_0(self, val):
self.variable_qtgui_push_button_0 = val
if val == 1:
import gnuradio.dab.app.config
import os
cfg_dir = "".join([os.getenv("HOME"),"/.grdab"])
cfg = gnuradio.dab.app.config.Configuration(cfg_dir)
cfg.adjust_config = {"gain" : {"gain_rf" : self.get_gain_slider(), "gain_if" : self.get_gain_if(), "gain_bb" : self.get_gain_bb()}, "ppm" : self.get_ppm()}
cfg.save()
tp = SubClass
sys.argv = [sys.argv[0]] # Hack since the next function call also parses argv
gnuradio.dab.app.adjustment_gui.main(tp, options=None)
def curses_handler(res):
import gnuradio.dab.app.curses_app
gnuradio.dab.app.curses_app.main(rf_gain=rf_gain, if_gain=if_gain, bb_gain=bb_gain, ppm=ppm, use_zeromq_in=res.zeromq, server=res.server, server_control=res.server_control, from_file=res.file, from_file_repeat=res.file_repeat, skip_xrun_monitor=res.skip_xrun_monitor)
parser_receive.set_defaults(func=receive_handler)
parser_info.set_defaults(func=info_handler)
parser_adjust.set_defaults(func=adjust_handler)
parser_curses.set_defaults(func=curses_handler)
args = parser.parse_args()
try:
func = args.func
except AttributeError:
parser.error("Too few arguments")
func(args)
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