remove waterfall & frequency plot

fm_radio.grc

@@ -148,148 +148,6 @@ blocks:
     coordinate: [669, 283]
     rotation: 0
     state: true
-- name: qtgui_freq_sink_x_0
-  id: qtgui_freq_sink_x
-  parameters:
-    affinity: ''
-    alias: ''
-    alpha1: '1.0'
-    alpha10: '1.0'
-    alpha2: '1.0'
-    alpha3: '1.0'
-    alpha4: '1.0'
-    alpha5: '1.0'
-    alpha6: '1.0'
-    alpha7: '1.0'
-    alpha8: '1.0'
-    alpha9: '1.0'
-    autoscale: 'False'
-    average: '1.0'
-    axislabels: 'True'
-    bw: channel_width_hertz
-    color1: '"blue"'
-    color10: '"dark blue"'
-    color2: '"red"'
-    color3: '"green"'
-    color4: '"black"'
-    color5: '"cyan"'
-    color6: '"magenta"'
-    color7: '"yellow"'
-    color8: '"dark red"'
-    color9: '"dark green"'
-    comment: ''
-    ctrlpanel: 'False'
-    fc: '0'
-    fftsize: '1024'
-    freqhalf: 'True'
-    grid: 'False'
-    gui_hint: ''
-    label: Relative Gain
-    label1: ''
-    label10: ''''''
-    label2: ''''''
-    label3: ''''''
-    label4: ''''''
-    label5: ''''''
-    label6: ''''''
-    label7: ''''''
-    label8: ''''''
-    label9: ''''''
-    legend: 'False'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    name: '"Demod Out"'
-    nconnections: '1'
-    norm_window: 'False'
-    showports: 'False'
-    tr_chan: '0'
-    tr_level: '0.0'
-    tr_mode: qtgui.TRIG_MODE_FREE
-    tr_tag: '""'
-    type: float
-    units: dB
-    update_time: '0.10'
-    width1: '1'
-    width10: '1'
-    width2: '1'
-    width3: '1'
-    width4: '1'
-    width5: '1'
-    width6: '1'
-    width7: '1'
-    width8: '1'
-    width9: '1'
-    wintype: window.WIN_BLACKMAN_hARRIS
-    ymax: '10'
-    ymin: '-140'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1578, 111]
-    rotation: 0
-    state: true
-- name: qtgui_waterfall_sink_x_0
-  id: qtgui_waterfall_sink_x
-  parameters:
-    affinity: ''
-    alias: ''
-    alpha1: '1.0'
-    alpha10: '1.0'
-    alpha2: '1.0'
-    alpha3: '1.0'
-    alpha4: '1.0'
-    alpha5: '1.0'
-    alpha6: '1.0'
-    alpha7: '1.0'
-    alpha8: '1.0'
-    alpha9: '1.0'
-    axislabels: 'True'
-    bw: samp_rate
-    color1: '0'
-    color10: '0'
-    color2: '0'
-    color3: '0'
-    color4: '0'
-    color5: '0'
-    color6: '0'
-    color7: '0'
-    color8: '0'
-    color9: '0'
-    comment: ''
-    fc: frequency_mhz*1e6
-    fftsize: '1024'
-    freqhalf: 'True'
-    grid: 'False'
-    gui_hint: ''
-    int_max: '10'
-    int_min: '-140'
-    label1: ''
-    label10: ''
-    label2: ''
-    label3: ''
-    label4: ''
-    label5: ''
-    label6: ''
-    label7: ''
-    label8: ''
-    label9: ''
-    legend: 'True'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    name: '""'
-    nconnections: '1'
-    showports: 'False'
-    type: complex
-    update_time: '0.10'
-    wintype: window.WIN_BLACKMAN_hARRIS
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [676, 559]
-    rotation: 0
-    state: true
 - name: rational_resampler_xxx_0
   id: rational_resampler_xxx
   parameters:
@@ -677,12 +535,10 @@ blocks:
     state: true
 
 connections:
-- [analog_wfm_rcv_0, '0', qtgui_freq_sink_x_0, '0']
 - [analog_wfm_rcv_0, '0', rational_resampler_xxx_0, '0']
 - [low_pass_filter_0, '0', analog_wfm_rcv_0, '0']
 - [rational_resampler_xxx_0, '0', audio_sink_0, '0']
 - [rtlsdr_source_0, '0', low_pass_filter_0, '0']
-- [rtlsdr_source_0, '0', qtgui_waterfall_sink_x_0, '0']
 
 metadata:
   file_format: 1

fm_radio.py

@@ -20,17 +20,15 @@ if __name__ == '__main__':
         except:
             print("Warning: failed to XInitThreads()")
 
-from PyQt5 import Qt
-from gnuradio import qtgui
-from gnuradio.filter import firdes
-import sip
 from gnuradio import analog
 from gnuradio import audio
 from gnuradio import filter
+from gnuradio.filter import firdes
 from gnuradio import gr
 from gnuradio.fft import window
 import sys
 import signal
+from PyQt5 import Qt
 from argparse import ArgumentParser
 from gnuradio.eng_arg import eng_float, intx
 from gnuradio import eng_notation
@@ -111,85 +109,6 @@ class fm_radio(gr.top_block, Qt.QWidget):
                 decimation=channel_width_hertz,
                 taps=[],
                 fractional_bw=0)
-        self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
-            1024, #size
-            window.WIN_BLACKMAN_hARRIS, #wintype
-            (frequency_mhz*1e6), #fc
-            samp_rate, #bw
-            "", #name
-            1, #number of inputs
-            None # parent
-        )
-        self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
-        self.qtgui_waterfall_sink_x_0.enable_grid(False)
-        self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
-
-
-
-        labels = ['', '', '', '', '',
-                  '', '', '', '', '']
-        colors = [0, 0, 0, 0, 0,
-                  0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-                  1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(1):
-            if len(labels[i]) == 0:
-                self.qtgui_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
-            self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
-            self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
-
-        self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
-
-        self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.qwidget(), Qt.QWidget)
-
-        self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
-        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
-            1024, #size
-            window.WIN_BLACKMAN_hARRIS, #wintype
-            0, #fc
-            channel_width_hertz, #bw
-            "Demod Out", #name
-            1,
-            None # parent
-        )
-        self.qtgui_freq_sink_x_0.set_update_time(0.10)
-        self.qtgui_freq_sink_x_0.set_y_axis((-140), 10)
-        self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
-        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
-        self.qtgui_freq_sink_x_0.enable_autoscale(False)
-        self.qtgui_freq_sink_x_0.enable_grid(False)
-        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
-        self.qtgui_freq_sink_x_0.enable_axis_labels(True)
-        self.qtgui_freq_sink_x_0.enable_control_panel(False)
-        self.qtgui_freq_sink_x_0.set_fft_window_normalized(False)
-
-        self.qtgui_freq_sink_x_0.disable_legend()
-
-        self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
-
-        labels = ['', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "green", "black", "cyan",
-            "magenta", "yellow", "dark red", "dark green", "dark blue"]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(1):
-            if len(labels[i]) == 0:
-                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
-            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
-            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
-            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
-
-        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.qwidget(), Qt.QWidget)
-        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
         self.low_pass_filter_0 = filter.fir_filter_ccf(
             (int(samp_rate/channel_width_hertz)),
             firdes.low_pass(
@@ -209,12 +128,10 @@ class fm_radio(gr.top_block, Qt.QWidget):
         ##################################################
         # Connections
         ##################################################
-        self.connect((self.analog_wfm_rcv_0, 0), (self.qtgui_freq_sink_x_0, 0))
         self.connect((self.analog_wfm_rcv_0, 0), (self.rational_resampler_xxx_0, 0))
         self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0))
         self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0))
         self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
-        self.connect((self.rtlsdr_source_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
 
 
     def closeEvent(self, event):
@@ -231,7 +148,6 @@ class fm_radio(gr.top_block, Qt.QWidget):
     def set_samp_rate(self, samp_rate):
         self.samp_rate = samp_rate
         self.low_pass_filter_0.set_taps(firdes.low_pass(2, self.samp_rate, 100000, 10000, window.WIN_KAISER, 6.76))
-        self.qtgui_waterfall_sink_x_0.set_frequency_range((self.frequency_mhz*1e6), self.samp_rate)
         self.rtlsdr_source_0.set_sample_rate(self.samp_rate)
 
     def get_frequency_mhz(self):
@@ -239,7 +155,6 @@ class fm_radio(gr.top_block, Qt.QWidget):
 
     def set_frequency_mhz(self, frequency_mhz):
         self.frequency_mhz = frequency_mhz
-        self.qtgui_waterfall_sink_x_0.set_frequency_range((self.frequency_mhz*1e6), self.samp_rate)
         self.rtlsdr_source_0.set_center_freq((self.frequency_mhz*1e6), 0)
 
     def get_channel_width_hertz(self):
@@ -247,7 +162,6 @@ class fm_radio(gr.top_block, Qt.QWidget):
 
     def set_channel_width_hertz(self, channel_width_hertz):
         self.channel_width_hertz = channel_width_hertz
-        self.qtgui_freq_sink_x_0.set_frequency_range(0, self.channel_width_hertz)
 
     def get_audio_sample_rate_hertz(self):
         return self.audio_sample_rate_hertz