#!/usr/bin/env python # Program iq_opt.py - Handle program options and command line parameters. # Copyright (C) 2013 Martin Ewing # # 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 . # # Contact the author by e-mail: aa6e@arrl.net # # Part of the iq.py program. import optparse # This module gets command-line options from the invocation of the main program, # iq.py. # Set up command line parser. (Use iq.py --help to see a formatted qlisting.) op = optparse.OptionParser() # Boolean options / modes. op.add_option("--FULLSCREEN", action="store_true", dest="fullscreen", help="Switch to full screen display.") op.add_option("--HAMLIB", action="store_true", dest="hamlib", help="use Hamlib to monitor/control rig frequency.") op.add_option("--LAGFIX", action="store_true", dest="lagfix", help="Special mode to fix PCM290x R/L offset.") op.add_option("--LCD4", action="store_true", dest="lcd4", help='Use 4" LCD instead of large screen') op.add_option("--RPI", action="store_true", dest="device_rpi", help="Set up some defaults for Raspberry Pi") op.add_option("--RTL", action="store_true", dest="source_rtl", help="Set source to RTL-SDR") op.add_option("--WATERFALL", action="store_true", dest="waterfall", help="Use waterfall display.") # Options with a parameter. op.add_option("--cpu_load_intvl", action="store", type="float", dest="cpu_load_interval", help="Seconds delay between CPU load calculations") op.add_option("--rate", action="store", type="int", dest="sample_rate", help="sample rate (Hz), eg 48000, 96000, or 1024000 or 2048000 (for rtl)") op.add_option("--hamlib_device", action="store", type="string", dest="hamlib_device", help="Hamlib serial port. Default /dev/ttyUSB0.") op.add_option("--hamlib_intvl", action="store", type="float", dest="hamlib_interval", help="Seconds delay between Hamlib operations") op.add_option("--hamlib_rig", action="store", type="int", dest="hamlib_rigtype", help="Hamlib rig type (int). Run 'rigctl --list' for possibilities. Default " "is 229 (Elecraft K3/KX3).") op.add_option("--index", action="store", type="int", dest="index", help="index of audio input card. Use pa.py to examine choices. Index -1 " \ "selects default input device.") op.add_option("--lcd4_brightness", action="store", type="int", dest="lcd4_brightness", help="LCD4 display brightness 0 - 100") op.add_option("--max_queue", action="store", type="int", dest="max_queue", help="Real-time queue depth") op.add_option("--n_buffers", action="store", type="int", dest="buffers", help="Number of FFT buffers in 'chunk', default 12") op.add_option("--pulse_clip", action="store", type="int", dest="pulse", help="pulse clipping threshold, default 10.") op.add_option("--rtl_freq", action="store", type="float", dest="rtl_frequency", help="Initial RTL operating frequency (float kHz)") op.add_option("--rtl_gain", action="store", type="int", dest="rtl_gain", help="RTL_SDR gain, default 0.") op.add_option("--size", action="store", type="int", dest="size", help="size of FFT. Default is 512.") op.add_option("--take", action="store", type="int", dest="taking", help="No. of buffers to take per chunk, must be <= buffers.") op.add_option("--waterfall_acc", action="store", type="int", dest="waterfall_accumulation", help="No. of spectra per waterfall line") op.add_option("--waterfall_palette", action="store", type="int", dest="waterfall_palette", help="Waterfall color palette (1 or 2)") # The following are the default values which are used if not specified in the # command line. You may want to edit them to be close to your normal operating needs. op.set_defaults( buffers = 12, # no. buffers in sample chunk (RPi-40) cpu_load_interval = 3.0, # cycle time for CPU monitor thread device = None, # Possibly "BBB" or "RPI" (set up appropriately) fullscreen = False, # Use full screen mode? (if not LCD4) hamlib = False, # Using Hamlib? T/F (RPi-False) hamlib_device = "/dev/ttyUSB0", # Device address for Hamlib I/O hamlib_interval = 1.0, # Wait between hamlib freq. checks (secs) hamlib_rigtype = 229, # Elecraft K3/KX3. index = -1, # index of audio device (-1 use default) lagfix = False, # Fix up PCM 290x bug lcd4 = False, # default large screen lcd4_brightness = 75, # brightness 0 - 100 max_queue = 30, # max depth of queue from audio callback pulse = 10, # pulse clip threshold rtl_frequency = 146.e6, # RTL center freq. Hz rtl_gain = 0, # auto sample_rate = 48000, # (stereo) frames/second (Hz) (RTL up to 2048000) size = 384, # size of FFT --> freq. resolution (RPi-256) source_rtl = False, # Use sound card, not RTL-SDR input taking = -1, # 0 < taking < buffers to cut cpu load, -1=all waterfall = False, # Using waterfall? T/F waterfall_accumulation = 4, # No. of spectra per waterfall line waterfall_palette = 2 # choose a waterfall color scheme ) opt, args = op.parse_args() # This is an "option" that the user can't change. opt.ident = "IQ.PY v. 0.30 de AA6E" # --RTL option forces source=rtl, but normally source=audio opt.source = "rtl" if opt.source_rtl else "audio" if opt.device_rpi: # adjust to comfortable settings for Raspberry Pi opt.buffers = 15 opt.taking = 4 # reduce CPU load (to 4/15 of max.) opt.size = 256 # Main module will use: options.opt to pick up this 'opt' instance. if __name__ == '__main__': print 'debug' # Print the variables in opt. Opt is a weird thing, not a dictionary. #print dir(opt) for x in dir(opt): if x[0] != "_" and x.find("read_") < 0 and x != "ensure_value": y = eval("opt."+x) print x, "=", y, type(y)