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tp_modes.py
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#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Tp Modes
# Generated: Thu Jan 23 20:31:21 2014
##################################################
from datetime import datetime
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
from gnuradio import window
from gnuradio.eng_option import eng_option
from gnuradio.gr import firdes
from gnuradio.wxgui import fftsink2
from gnuradio.wxgui import forms
from gnuradio.wxgui import scopesink2
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import baz
import wx
class tp_modes(grc_wxgui.top_block_gui):
def __init__(self, ppm=30, srate=2.4e6, fftsize=8192):
grc_wxgui.top_block_gui.__init__(self, title="Tp Modes")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.ppm = ppm
self.srate = srate
self.fftsize = fftsize
##################################################
# Variables
##################################################
self.prefix = prefix = "/home/superkuh/vsrt_"
self.recfile = recfile = prefix + datetime.now().strftime("%Y.%m.%d.%H.%M.%S") + ".log"
self.freq = freq = 1600e6
self.bp_width = bp_width = 30e3
self.bp_low = bp_low = 90e3
self.actual_lower_freq = actual_lower_freq = 10.7e9
self.IF_lower_freq = IF_lower_freq = 950e6
self.scope_rate = scope_rate = 2.0
self.record = record = False
self.realfreq_display = realfreq_display = actual_lower_freq + (freq - IF_lower_freq)
self.integ = integ = 1
self.capture_file = capture_file = recfile
self.bp_high = bp_high = bp_low+bp_width
##################################################
# Blocks
##################################################
self._record_check_box = forms.check_box(
parent=self.GetWin(),
value=self.record,
callback=self.set_record,
label="Record",
true=True,
false=False,
)
self.GridAdd(self._record_check_box, 0, 1, 1, 1)
_integ_sizer = wx.BoxSizer(wx.VERTICAL)
self._integ_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_integ_sizer,
value=self.integ,
callback=self.set_integ,
label="Integration Time (Sec)",
converter=forms.float_converter(),
proportion=0,
)
self._integ_slider = forms.slider(
parent=self.GetWin(),
sizer=_integ_sizer,
value=self.integ,
callback=self.set_integ,
minimum=1,
maximum=30,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_integ_sizer)
self._capture_file_text_box = forms.text_box(
parent=self.GetWin(),
value=self.capture_file,
callback=self.set_capture_file,
label=" ",
converter=forms.str_converter(),
)
self.GridAdd(self._capture_file_text_box, 0, 2, 1, 1)
_bp_low_sizer = wx.BoxSizer(wx.VERTICAL)
self._bp_low_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_bp_low_sizer,
value=self.bp_low,
callback=self.set_bp_low,
label="Bandpass Low End",
converter=forms.int_converter(),
proportion=0,
)
self._bp_low_slider = forms.slider(
parent=self.GetWin(),
sizer=_bp_low_sizer,
value=self.bp_low,
callback=self.set_bp_low,
minimum=80e3,
maximum=100e3,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.Add(_bp_low_sizer)
self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="count of LNBF beat frequency bins",
sample_rate=scope_rate,
v_scale=0,
v_offset=0,
t_scale=450,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=srate,
fft_size=2048,
fft_rate=15,
average=False,
avg_alpha=None,
title="Total Power FFT Spectrum",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(1.0/((srate/10)*integ), 1)
self.rtl2832_source_0 = baz.rtl_source_c(defer_creation=True, output_size=gr.sizeof_gr_complex)
self.rtl2832_source_0.set_verbose(True)
self.rtl2832_source_0.set_vid(0x0)
self.rtl2832_source_0.set_pid(0x0)
self.rtl2832_source_0.set_tuner_name("r820t")
self.rtl2832_source_0.set_default_timeout(0)
self.rtl2832_source_0.set_use_buffer(True)
self.rtl2832_source_0.set_fir_coefficients(([]))
self.rtl2832_source_0.set_read_length(0)
if self.rtl2832_source_0.create() == False: raise Exception("Failed to create RTL2832 Source: rtl2832_source_0")
self.rtl2832_source_0.set_sample_rate(scope_rate)
self.rtl2832_source_0.set_frequency(IF_lower_freq)
self.rtl2832_source_0.set_auto_gain_mode(True)
self.rtl2832_source_0.set_relative_gain(True)
self.rtl2832_source_0.set_gain(0)
self._realfreq_display_static_text = forms.static_text(
parent=self.GetWin(),
value=self.realfreq_display,
callback=self.set_realfreq_display,
label="Actual Frequency",
converter=forms.float_converter(),
)
self.GridAdd(self._realfreq_display_static_text, 0, 0, 1, 1)
self.low_pass_filter_0 = gr.fir_filter_fff(int(srate/24e4), firdes.low_pass(
1, srate, 200e3, 24e3, firdes.WIN_HAMMING, 6.76))
_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
label="Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
minimum=950e6,
maximum=2150e6,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freq_sizer)
self._bp_width_text_box = forms.text_box(
parent=self.GetWin(),
value=self.bp_width,
callback=self.set_bp_width,
label="BP Width",
converter=forms.int_converter(),
)
self.GridAdd(self._bp_width_text_box, 0, 4, 1, 1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_float*1, int(srate/20))
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_float*1, "/dev/null" if record == False else capture_file)
self.blocks_file_sink_1.set_unbuffered(True)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.band_pass_filter_0 = gr.fir_filter_fff(1, firdes.band_pass(
1, srate/5, bp_low, bp_high, 24e3, firdes.WIN_HAMMING, 6.76))
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.single_pole_iir_filter_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.single_pole_iir_filter_xx_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.wxgui_scopesink2_0_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.blocks_file_sink_1, 0))
self.connect((self.rtl2832_source_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
def get_ppm(self):
return self.ppm
def set_ppm(self, ppm):
self.ppm = ppm
def get_srate(self):
return self.srate
def set_srate(self, srate):
self.srate = srate
self.single_pole_iir_filter_xx_0.set_taps(1.0/((self.srate/10)*self.integ))
self.blocks_keep_one_in_n_0.set_n(int(self.srate/20))
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.srate, 200e3, 24e3, firdes.WIN_HAMMING, 6.76))
self.wxgui_fftsink2_0.set_sample_rate(self.srate)
self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.srate/5, self.bp_low, self.bp_high, 24e3, firdes.WIN_HAMMING, 6.76))
def get_fftsize(self):
return self.fftsize
def set_fftsize(self, fftsize):
self.fftsize = fftsize
def get_prefix(self):
return self.prefix
def set_prefix(self, prefix):
self.prefix = prefix
self.set_recfile(self.prefix + datetime.now().strftime("%Y.%m.%d.%H.%M.%S") + ".log")
def get_recfile(self):
return self.recfile
def set_recfile(self, recfile):
self.recfile = recfile
self.set_capture_file(self.recfile)
def get_freq(self):
return self.freq
def set_freq(self, freq):
self.freq = freq
self.set_realfreq_display(self.actual_lower_freq + (self.freq - self.IF_lower_freq))
self._freq_slider.set_value(self.freq)
self._freq_text_box.set_value(self.freq)
def get_bp_width(self):
return self.bp_width
def set_bp_width(self, bp_width):
self.bp_width = bp_width
self.set_bp_high(self.bp_low+self.bp_width)
self._bp_width_text_box.set_value(self.bp_width)
def get_bp_low(self):
return self.bp_low
def set_bp_low(self, bp_low):
self.bp_low = bp_low
self.set_bp_high(self.bp_low+self.bp_width)
self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.srate/5, self.bp_low, self.bp_high, 24e3, firdes.WIN_HAMMING, 6.76))
self._bp_low_slider.set_value(self.bp_low)
self._bp_low_text_box.set_value(self.bp_low)
def get_actual_lower_freq(self):
return self.actual_lower_freq
def set_actual_lower_freq(self, actual_lower_freq):
self.actual_lower_freq = actual_lower_freq
self.set_realfreq_display(self.actual_lower_freq + (self.freq - self.IF_lower_freq))
def get_IF_lower_freq(self):
return self.IF_lower_freq
def set_IF_lower_freq(self, IF_lower_freq):
self.IF_lower_freq = IF_lower_freq
self.set_realfreq_display(self.actual_lower_freq + (self.freq - self.IF_lower_freq))
self.rtl2832_source_0.set_frequency(self.IF_lower_freq)
def get_scope_rate(self):
return self.scope_rate
def set_scope_rate(self, scope_rate):
self.scope_rate = scope_rate
self.wxgui_scopesink2_0_0.set_sample_rate(self.scope_rate)
self.rtl2832_source_0.set_sample_rate(self.scope_rate)
def get_record(self):
return self.record
def set_record(self, record):
self.record = record
self._record_check_box.set_value(self.record)
self.blocks_file_sink_1.open("/dev/null" if self.record == False else self.capture_file)
def get_realfreq_display(self):
return self.realfreq_display
def set_realfreq_display(self, realfreq_display):
self.realfreq_display = realfreq_display
self._realfreq_display_static_text.set_value(self.realfreq_display)
def get_integ(self):
return self.integ
def set_integ(self, integ):
self.integ = integ
self._integ_slider.set_value(self.integ)
self._integ_text_box.set_value(self.integ)
self.single_pole_iir_filter_xx_0.set_taps(1.0/((self.srate/10)*self.integ))
def get_capture_file(self):
return self.capture_file
def set_capture_file(self, capture_file):
self.capture_file = capture_file
self._capture_file_text_box.set_value(self.capture_file)
self.blocks_file_sink_1.open("/dev/null" if self.record == False else self.capture_file)
def get_bp_high(self):
return self.bp_high
def set_bp_high(self, bp_high):
self.bp_high = bp_high
self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.srate/5, self.bp_low, self.bp_high, 24e3, firdes.WIN_HAMMING, 6.76))
if __name__ == '__main__':
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
parser.add_option("", "--ppm", dest="ppm", type="eng_float", default=eng_notation.num_to_str(30),
help="Set ppm error [default=%default]")
parser.add_option("", "--srate", dest="srate", type="eng_float", default=eng_notation.num_to_str(2.4e6),
help="Set Sample Rate [default=%default]")
parser.add_option("", "--fftsize", dest="fftsize", type="intx", default=8192,
help="Set fftsize [default=%default]")
(options, args) = parser.parse_args()
tb = tp_modes(ppm=options.ppm, srate=options.srate, fftsize=options.fftsize)
tb.Run(True)