#!/usr/bin/env python # Program iq_opt.py - Handle program options and command line parameters. # Copyright (C) 2013-2014 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. # HISTORY # 01-04-2014 Initial release # 05-05-2014 Changed options # 05-31-2014 Si570 control (vs RTL control vs None [af]) import optparse # This module handles command-line options. # Note options changed: # Add "skip", "REV", remove "RPI", "taking", "max_queue" # Add --SI570 # 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("--RTL", action="store_true", dest="source_rtl", help="Set source to RTL-SDR") op.add_option("--SI570", action="store_true", dest="control_si570", help="Set freq control to Si570, not RTL or Hamlib") op.add_option("--REV", action="store_true", dest="rev_iq", help="Reverse I & Q to reverse spectrum display") 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("--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("--si570_frequency", action="store", type="float", dest="si570_frequency", help="Si570 LO initial frequency, (float kHz)") op.add_option("--size", action="store", type="int", dest="size", help="size of FFT. Default is 512.") op.add_option("--skip", action="store", type="int", dest="skip", help="Skipping input data parameter >= 0") op.add_option("--sp_min", action="store", type="int", dest="sp_min", help="spectrum level, low end, dB") op.add_option("--sp_max", action="store", type="int", dest="sp_max", help="spectrum level, hi end, dB") op.add_option("--v_min", action="store", type="int", dest="v_min", help="palette level, low end, dB") op.add_option("--v_max", action="store", type="int", dest="v_max", help="palette level, hi end, dB") 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. DEF_SAMPLE_RATE = 48000 op.set_defaults( buffers = 12, # no. buffers in sample chunk (RPi-40) control_si570 = False, # normally, talk to RTL or Hamlib for freq info cpu_load_interval = 3.0, # cycle time for CPU monitor thread 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 pulse = 10, # pulse clip threshold rev_iq = False, # Reverse I & Q rtl_frequency = 146.e6, # RTL center freq. Hz rtl_gain = 0, # auto sample_rate = DEF_SAMPLE_RATE, # (stereo) frames/second (Hz) si570_frequency = 7050.0, # initial freq. for Si570 LO. size = 384, # size of FFT --> freq. resolution skip = 0, # if not =0, skip some input data source_rtl = False, # Use sound card, not RTL-SDR input sp_min =-120, # dB relative to clipping, at bottom of grid sp_max =-20, # dB relative to clipping, at top of grid v_min =-120, # palette starts at this level v_max =-20, # palette ends at this level 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. 0.35 de AA6E" # 'source' refers to signal source (RTL or audio sound card) # 'control' refers to freq. readout/control (RTL, si570, or none) opt.control = "none" if opt.hamlib: opt.control = "hamlib" if opt.source_rtl: opt.source = "rtl" opt.control= "rtl" else: opt.source = "audio" if opt.control_si570: opt.control = "si570" # Change default Freq for RTL to an appropriate (legal) value (tnx KF3EB) # However, do not override user's --rate setting, if present. if opt.source_rtl and (opt.sample_rate == DEF_SAMPLE_RATE): opt.sample_rate = 1024000 # Main module will use: options.opt to pick up this 'opt' instance. if __name__ == '__main__': print 'debug'