diff options
Diffstat (limited to 'gr-uhd/apps/hf_radio')
| -rw-r--r-- | gr-uhd/apps/hf_radio/.gitignore | 3 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/Makefile.am | 39 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/README.TXT | 60 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/hfir.sci | 59 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/input.py | 78 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/output.py | 42 | ||||
| -rwxr-xr-x | gr-uhd/apps/hf_radio/radio.py | 319 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/radio.xml | 441 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/ssb_taps | 1023 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/ssbagc.py | 70 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/ssbdemod.py | 116 | ||||
| -rw-r--r-- | gr-uhd/apps/hf_radio/startup.py | 1 | ||||
| -rwxr-xr-x | gr-uhd/apps/hf_radio/ui.py | 316 |
13 files changed, 2567 insertions, 0 deletions
diff --git a/gr-uhd/apps/hf_radio/.gitignore b/gr-uhd/apps/hf_radio/.gitignore new file mode 100644 index 000000000..b6950912c --- /dev/null +++ b/gr-uhd/apps/hf_radio/.gitignore @@ -0,0 +1,3 @@ +/Makefile +/Makefile.in +/*.pyc diff --git a/gr-uhd/apps/hf_radio/Makefile.am b/gr-uhd/apps/hf_radio/Makefile.am new file mode 100644 index 000000000..e514076f6 --- /dev/null +++ b/gr-uhd/apps/hf_radio/Makefile.am @@ -0,0 +1,39 @@ +# +# Copyright 2006,2009 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +include $(top_srcdir)/Makefile.common + +ourdatadir = $(exampledir)/hf_radio + +dist_ourdata_DATA = \ + hfir.sci \ + radio.xml \ + input.py \ + output.py \ + README.TXT \ + ssbagc.py \ + ssbdemod.py \ + startup.py \ + ssb_taps + +dist_ourdata_SCRIPTS = \ + radio.py \ + ui.py diff --git a/gr-uhd/apps/hf_radio/README.TXT b/gr-uhd/apps/hf_radio/README.TXT new file mode 100644 index 000000000..7c7edf5e0 --- /dev/null +++ b/gr-uhd/apps/hf_radio/README.TXT @@ -0,0 +1,60 @@ +# 2008-02-07 +# +# These files have not yet been update to use the new top_block/hier_block2 +# interfaces. Until someone does that, this files will no longer run. +# + + +The files in this directory implement a fairly simple HF radio that works +with the basic rx daughter board on the USRP. + +Many thanks to the Gnu Radio folks for a great new way to waste large blocks +of time in infinitely tweaking a huge number of free parameters. + +Start the receiver by running the radio.py in this directory. Or from the +Python prompt type "from radio import *" and you'll get the prompt back +with the receiver running. You can then poke around to see what's going on. + +There are two spectrum displays. One is the output of the USRP and displays +about 300KHz of bandwidth centered at the current tuning freq. The other +displays the output spectrum of the demodulator. + +The demodulator does AM demod using the complex modulus block from gr. It +does SSB demod using the frequency translating fir filter as a complex +hilbert transformer. The taps for this filter were generated using a program +called Scilab and the Scilab program in the file hfir.sci. More details in +the associated files. + +Tune the receiver using the spin buttons under the big frequency display. + +The agc block is a roll your own. The standard agc in the newer CVS updates +seems to work but doesn't seem to have adjustable time constants or provide +access to internal signal nodes which are used for the RSSI. + +The AGC authority (a sort of gain parameter) and the reference level used +in the power to dB computagion can be adjusted using the spin buttons. + +The audio bandwidth can be similarly adjusted from about 50Hz to 10KHz. + +The GUI layout was produced using wxGlade. The file radio.xml is the GUI +specification. It will produce a file called ui.py which is subclassed +by classes defined in radio.py. The ui.py is purely generated by wxGlade +all app specific code for the GUI is in radio.py. + +Most of the actual signal processing code is built up in the other included +files using the hierarchical block facilities. This organization should +make it easier to tweak to your heart's content. + +Known bugs weakness and other + +wxPython and wxGlade seem to conspire to insure that the layout can never +be exactly what you have in mind. + +Some of the controls don't behave as one might like. wx spin controls +and spin boxes only support integers so it is rather a nuisance to make +units come out nice. In the process of development I came up with a reasonable +kluge so there is a mixture of approaches. + +Enjoy. + +M. Revnell 2006-Jan-06 diff --git a/gr-uhd/apps/hf_radio/hfir.sci b/gr-uhd/apps/hf_radio/hfir.sci new file mode 100644 index 000000000..a2d5e2a62 --- /dev/null +++ b/gr-uhd/apps/hf_radio/hfir.sci @@ -0,0 +1,59 @@ +// designs a complex tap fir filter akin to the hilbert transformer. +// +// The hilbert transformer is classified as a linear phase fir +// with allpass magnitude response and 90 degree phase response for +// positive frequencies and -90 degrees phase for negative frequencies. +// Or, if you prefer, normalized frequencies between .5 and 1 since +// negative frequencies don't really have much meaning outside the complex +// domain. +// +// Normally one would use the hilbert transformer in one leg of a complex +// processing block and a compensating delay in the other. +// +// This one differs in the following respects: +// It is low pass with a cutoff of .078125 +// The filter is a lowpass kaiser windowed filter with parameter 3 +// The phase response is 45 degrees for positive frequencies and -45 +// for negative frequencies. +// The coefficent set is used in one path and the same coefficients +// are used time reversed in the other. This results in the net effect +// of +/- 90 degrees as in the usual hilbert application. +// +// The coefficient set can be used in the gnuradio frequency translating +// fir filter for ssb demodulation. +// +// This isn't as computationally efficient as using the hilbert transformer +// and compensating delay but fascinating none the less. +// +// This program is for the scilab language a very powerful free math +// package similar to Matlab with infinitely better price/performace. +// +// compute the prototype lowpass fir +// length is 255 (odd) for the same symmetry reasons as the hilbert transformer + +len = 1023; +l2 = floor(len/2); +md = l2 + 1; +l3 = md + 1; + +h = wfir( 'lp', len, [10.0/256 0], 'kr', [3 0] ); + +H = fft(h); + +H(1:l2)=H(1:l2)*exp(%i*%pi/4); +H(md)=0+%i*0; +H(l3:len)=H(l3:len)*exp(-%i*%pi/4); + +j=real(ifft(H)); +k(1:len)=j(len:-1:1); +x=j+%i.*k; +X=fft(x); +plot(abs(X)) + +f = file('open','taps') +for i=(1:len) + fprintf( f, '%f%+fj', j(i), k(i) ) +end + +file('close',f) + diff --git a/gr-uhd/apps/hf_radio/input.py b/gr-uhd/apps/hf_radio/input.py new file mode 100644 index 000000000..2626ddfb5 --- /dev/null +++ b/gr-uhd/apps/hf_radio/input.py @@ -0,0 +1,78 @@ +# Copyright 2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +# Basic USRP setup and control. +# It's only ever been tried with a basic rx daughter card. +# +# Imagine that the gnuradio boilerplate is here. +# +# M. Revnell 2005-Dec + +from gnuradio import gr +from gnuradio import uhd + +class uhd_input(gr.hier_block2): + def __init__( self, address, samp_rate): + gr.hier_block2.__init__(self, "uhd_input", + gr.io_signature(0,0,0), + gr.io_signature(1,1,gr.sizeof_gr_complex)) + + self.src = uhd.usrp_source(device_addr=address, + io_type=uhd.io_type.COMPLEX_FLOAT32, + num_channels=1) + + self.src.set_samp_rate(samp_rate) + self.usrp_rate = self.src.get_samp_rate() + + self.connect(self.src, self) + + def set_freq(self, target_freq): + """ + Set the center frequency. + + @param target_freq: frequency in Hz + @type: bool + """ + r = self.src.set_center_freq(target_freq, 0) + + if r: + self.freq = target_freq + return True + else: + return False + + def get_freq(self): + return self.src.get_center_freq(0) + + def set_gain(self, gain): + self.gain = gain + self.src.set_gain(gain, 0) + + def add_options(parser): + parser.add_option("-a", "--address", type="string", + default="addr=192.168.10.2", + help="Address of UHD device, [default=%default]") + parser.add_option("-A", "--antenna", type="string", default=None, + help="select Rx Antenna where appropriate") + parser.add_option("-f", "--freq", type="eng_float", default=None, + help="set frequency to FREQ", metavar="FREQ") + parser.add_option("-g", "--gain", type="eng_float", default=None, + help="set gain in dB (default is midpoint)") + add_options = staticmethod(add_options) diff --git a/gr-uhd/apps/hf_radio/output.py b/gr-uhd/apps/hf_radio/output.py new file mode 100644 index 000000000..8ee7dc54c --- /dev/null +++ b/gr-uhd/apps/hf_radio/output.py @@ -0,0 +1,42 @@ +# Copyright 2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + + +# Audio output with a volume control. +# +# M. Revnell 2005-Dec + +from gnuradio import gr, gru +from gnuradio import audio + +class output( gr.hier_block2 ): + def __init__( self, rate, device ): + gr.hier_block2.__init__(self, "output", + gr.io_signature(1,1,gr.sizeof_float), + gr.io_signature(0,0,0)) + + self.vol = gr.multiply_const_ff( 0.1 ) + self.out = audio.sink( int(rate), device ) + + self.connect( self, self.vol, self.out ) + + def set( self, val ): + self.vol.set_k( val ) + diff --git a/gr-uhd/apps/hf_radio/radio.py b/gr-uhd/apps/hf_radio/radio.py new file mode 100755 index 000000000..32e26c7eb --- /dev/null +++ b/gr-uhd/apps/hf_radio/radio.py @@ -0,0 +1,319 @@ +#!/usr/bin/env python +# +# Copyright 2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +# GUI interactions and high level connections handled here. +# +# Interacts with classes defined by wxGlade in ui.py. +# +# M. Revnell 2006-Jan + +from threading import * +import wx +import wx.lib.evtmgr as em +import time + +from gnuradio import gr, gru, eng_notation, optfir +from gnuradio import audio +from gnuradio import uhd +from gnuradio import blks2 +from gnuradio.wxgui import fftsink2 +from gnuradio.wxgui import waterfallsink2 +from gnuradio.wxgui import scopesink2 + +from input import * +from output import * +from ssbdemod import * +from ssbagc import * +from ui import * +from math import log10 + +class radio_top_block( gr.top_block ): + def __init__( self ): + gr.top_block.__init__(self, "radio_top_block") + + self.address = "addr=192.168.11.2" + self.samp_rate = 256e3 + self.freq = -2.5e6 + self.gain = 0 + self.src = uhd_input( self.address, + self.samp_rate) + self.src.set_freq(self.freq) + self.src.set_gain(self.gain) + + self.fe_rate = self.src.usrp_rate + self.filter_decim = 1 + self.audio_decim = 16 + self.demod_rate = self.fe_rate / self.filter_decim + self.audio_rate = self.demod_rate / self.audio_decim + self.audio_dev = "pulse" + + self.demod = ssb_demod( self.demod_rate, self.audio_rate ) + self.agc = agc() + self.out = output( self.audio_rate, self.audio_dev ) + + self.connect( self.src, self.demod, self.agc, self.out ) + + def tune( self, freq ): + fe_target = -freq + self.src.set_freq( fe_target ) + demod_cf = fe_target - self.src.get_freq() + self.demod.tune( demod_cf ) + +class radio_frame( ui_frame ): + def __init__( self, block, *args, **kwds ): + ui_frame.__init__( self, *args, **kwds ) + self.block = block + self.freq_disp.SetRange(0, 30e6) + f = self.block.src.freq + self.freq_disp.SetValue( -f ) + self.volume.SetRange( 0, 20 ) + self.pga.SetRange( 0, 20 ) + self.rssi_range = 1 + self.rssi.SetRange( self.rssi_range ) + self.agc_max.SetValue( str( self.rssi_range ) ) + self.spin_e0.SetValue( 50 ) + self.spin_e1.SetValue( 50 ) + self.spin_e2.SetValue( 50 ) + self.spin_e3.SetValue( 50 ) + self.spin_e4.SetValue( 50 ) + self.spin_e5.SetValue( 50 ) + self.spin_e6.SetValue( 50 ) + bw = 3.3e3 + self.bandwidth.SetValue( str( bw ) ) + self.block.demod.set_bw( bw ) + self.bw_spin.SetValue( 5 ) + agc_gain = self.block.agc.gain.k() + self.agc_gain_s.SetValue( 5 ) + self.agc_gain.SetValue( str( agc_gain ) ) + agc_ref = self.block.agc.offs.k() + self.agc_ref.SetValue( str( agc_ref ) ) + self.agc_ref_s.SetValue( 5 ) + + self.fespectrum = fftsink2.fft_sink_c( + self.fe_panel, + fft_size=512, + sample_rate = block.fe_rate, + ref_scale = 1.0, + ref_level = 20.0, + y_divs = 12, + avg_alpha = 0.1) + + self.ifspectrum = fftsink2.fft_sink_c( + self.if_panel, + fft_size=512, + sample_rate = block.audio_rate, + ref_scale = 1.0, + ref_level = 20.0, + y_divs = 12, + avg_alpha = 0.1) + + self.fespectrum.win.Bind( wx.EVT_MOTION, self.fe_mouse) + self.fespectrum.win.Bind( wx.EVT_LEFT_DOWN, self.fe_click) + + block.connect( block.src.src, self.fespectrum ) + block.connect( block.demod.xlate, self.ifspectrum ) + + def agc_ref_up( self, event ): + self.agc_ref_s.SetValue( 5 ) + r = float( self.agc_ref.GetValue() ) + r = r + 5 + self.agc_ref.SetValue( str( r ) ) + self.block.agc.offs.set_k( r ) + + def agc_ref_down( self, event ): + self.agc_ref_s.SetValue( 5 ) + r = float( self.agc_ref.GetValue() ) + r = r - 5 + self.agc_ref.SetValue( str( r ) ) + self.block.agc.offs.set_k( r ) + + def agc_gain_up( self, event ): + self.agc_gain_s.SetValue( 5 ) + g = float(self.agc_gain.GetValue()) + g = g + 10 + self.agc_gain.SetValue( str( g ) ) + self.block.agc.gain.set_k( g ) + + def agc_gain_down( self, event ): + self.agc_gain_s.SetValue( 5 ) + g = float(self.agc_gain.GetValue()) + g = g - 10 + self.agc_gain.SetValue( str( g ) ) + self.block.agc.gain.set_k( g ) + + def fe_mouse( self, event ): + f = int(self.freq_disp.GetValue()) + f = f+((event.GetX()-346.)*(400./610.))*1000 + self.fespectrum.win.SetToolTip( + wx.ToolTip( eng_notation.num_to_str(f))) + + def fe_click( self, event ): + f = int(self.freq_disp.GetValue()) + f = f+((event.GetX()-346.)*(400./610.))*1000 + self.tune( f ) + + def setrssi( self, level ): + if level < 0: + level = 0 + if level > self.rssi_range: + self.rssi_range = level + self.rssi.SetRange( level ) + self.agc_max.SetValue( str( level )) + self.rssi.SetValue( level ) + self.agc_level.SetValue( str( level )) + + def tune_evt( self, event ): + f = self.freq_disp.GetValue() + self.tune( f ) + + def tune( self, frequency ): + self.freq_disp.SetValue( frequency ) + self.block.tune( frequency ) + + def up_e0( self, event ): + self.spin_e0.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() + 1e0 ) + + def down_e0( self, event ): + self.spin_e0.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() - 1e0 ) + + def up_e1( self, event ): + self.spin_e1.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() + 1e1 ) + + def down_e1( self, event ): + self.spin_e1.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() - 1e1 ) + + def up_e2( self, event ): + self.spin_e2.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() + 1e2 ) + + def down_e2( self, event ): + self.spin_e2.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() - 1e2 ) + + def up_e3( self, event ): + self.spin_e3.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() + 1e3 ) + + def down_e3( self, event ): + self.spin_e3.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() - 1e3 ) + + def up_e4( self, event ): + self.spin_e4.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() + 1e4 ) + + def down_e4( self, event ): + self.spin_e4.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() - 1e4 ) + + def up_e5( self, event ): + self.spin_e5.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() + 1e5 ) + + def down_e5( self, event ): + self.spin_e5.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() - 1e5 ) + + def up_e6( self, event ): + self.spin_e6.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() + 1e6 ) + + def down_e6( self, event ): + self.spin_e6.SetValue( 50 ) + self.tune( self.freq_disp.GetValue() - 1e6 ) + + def event_pga( self, event ): + self.block.src.set_gain(self.pga.GetValue()) + + def event_vol( self, event ): + self.block.out.set( self.volume.GetValue()/20.0 ) + + def set_usb( self, event ): + self.block.demod.upper_sb() + + def set_lsb( self, event ): + self.block.demod.lower_sb() + + def set_am( self, event ): + self.block.demod.set_am() + + def bw_up( self, event ): + self.bw_spin.SetValue( 5 ) + bw = float(self.bandwidth.GetValue()) + bw = bw + 20.0 + if bw > 10e3: + bw = 10e3 + self.bandwidth.SetValue( str( bw ) ) + self.block.demod.set_bw( bw ) + + def bw_down( self, event ): + self.bw_spin.SetValue( 5 ) + bw = float(self.bandwidth.GetValue()) + bw = bw - 20.0 + if bw < 50: + bw = 50 + self.bandwidth.SetValue( str( bw ) ) + self.block.demod.set_bw( bw ) + + +class radio( wx.App ): + def OnInit( self ): + self.block = radio_top_block() + self.frame = radio_frame( self.block, None, -1, "HF Receiver" ) + self.frame.Show( True ) + self.SetTopWindow( self.frame ) + self.block.start() + return True + +def rssi_function(): + global radio_obj + global sig_probe + + go = True + while go: + try: + level = sig_probe.level() + wx.CallAfter( radio_obj.frame.setrssi, level ) + time.sleep( .1 ) + except: + go = False + +def main(): + global radio_obj, sig_probe + + radio_obj = radio( 0 ) + sig_probe = gr.probe_signal_f() + radio_obj.block.connect(radio_obj.block.agc.offs, sig_probe) + + thread2 = Thread( target = rssi_function ) + thread2.start() + + radio_obj.MainLoop() + + +if __name__ == "__main__": + main() + diff --git a/gr-uhd/apps/hf_radio/radio.xml b/gr-uhd/apps/hf_radio/radio.xml new file mode 100644 index 000000000..81daa19b0 --- /dev/null +++ b/gr-uhd/apps/hf_radio/radio.xml @@ -0,0 +1,441 @@ +<?xml version="1.0"?> +<!-- generated by wxGlade 0.4 on Fri Jan 6 09:51:36 2006 --> + +<application path="/root/radio/ui.py" name="" class="" option="0" language="python" top_window="" encoding="UTF-8" use_gettext="0" overwrite="0" use_new_namespace="1" for_version="2.6"> + <object class="ui_frame" name="frame_1" base="EditFrame"> + <style>wxDEFAULT_FRAME_STYLE</style> + <title>frame_1</title> + <object class="wxStaticBoxSizer" name="sizer_1" base="EditStaticBoxSizer"> + <orient>wxVERTICAL</orient> + <label>sizer_1</label> + <object class="sizeritem"> + <flag>wxEXPAND</flag> + <border>0</border> + <option>1</option> + <object class="wxBoxSizer" name="sizer_2" base="EditBoxSizer"> + <orient>wxHORIZONTAL</orient> + <object class="sizeritem"> + <flag>wxEXPAND</flag> + <border>0</border> + <option>1</option> + <object class="wxBoxSizer" name="sizer_3" base="EditBoxSizer"> + <orient>wxVERTICAL</orient> + <object class="sizeritem"> + <flag>wxEXPAND|wxADJUST_MINSIZE</flag> + <border>0</border> + <option>1</option> + <object class="wxSpinCtrl" name="freq_disp" base="EditSpinCtrl"> + <font> + <size>32</size> + <family>default</family> + <style>normal</style> + <weight>normal</weight> + <underlined>0</underlined> + <face></face> + </font> + <events> + <handler event="EVT_SPINCTRL">tune_evt</handler> + </events> + </object> + </object> + <object class="sizeritem"> + <flag>wxEXPAND</flag> + <border>0</border> + <option>1</option> + <object class="wxGridSizer" name="grid_sizer_1" base="EditGridSizer"> + <hgap>0</hgap> + <rows>2</rows> + <cols>3</cols> + <vgap>0</vgap> + <object class="sizeritem"> + <flag>wxEXPAND</flag> + <border>0</border> + <option>1</option> + <object class="wxGridSizer" name="grid_sizer_2" base="EditGridSizer"> + <hgap>0</hgap> + <rows>1</rows> + <cols>7</cols> + <vgap>0</vgap> + <object class="sizeritem"> + <flag>wxADJUST_MINSIZE</flag> + <border>0</border> + <option>0</option> + <object class="wxSpinButton" name="spin_e6" base="EditSpinButton"> + <events> + <handler event="EVT_SPIN_UP">up_e6</handler> + <handler event="EVT_SPIN_DOWN">down_e6</handler> + </events> + </object> + </object> + <object class="sizeritem"> + <flag>wxADJUST_MINSIZE</flag> + 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+-0.000046+0.000196j +-0.000081+0.000188j +-0.000113+0.000173j +-0.000140+0.000150j +-0.000161+0.000121j +-0.000174+0.000089j +-0.000180+0.000054j +-0.000177+0.000020j +-0.000167-0.000013j +-0.000150-0.000041j +-0.000127-0.000063j +-0.000100-0.000077j +-0.000071-0.000084j +-0.000044-0.000080j +-0.000020-0.000066j +-0.000009-0.000035j diff --git a/gr-uhd/apps/hf_radio/ssbagc.py b/gr-uhd/apps/hf_radio/ssbagc.py new file mode 100644 index 000000000..494712863 --- /dev/null +++ b/gr-uhd/apps/hf_radio/ssbagc.py @@ -0,0 +1,70 @@ +# Copyright 2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. + + +# post detection agc processing +# +# This agc strategy is copied more or less verbatim from +# weaver_isb_am1_usrp3.py by cswiger. +# +# Thanks. +# +# Then modified in a variety of ways. +# +# There doesn't appear to be a way to hook multiple blocks to the +# input port when building a hier block like this. Thus the +# split below. +# +# Basic operation. +# Power is estimated by squaring the input. +# Low pass filter using a 1 pole iir. +# The time constant can be tweaked by changing the taps. +# Currently there is no implementation to change this while operating +# a potentially useful addition. +# The log block turns this into dB +# gain adjusts the agc authority. +# +# M. Revnell 2006-Jan + +from gnuradio import gr + +class agc( gr.hier_block2 ): + def __init__( self ): + gr.hier_block2.__init__(self, "agc", + gr.io_signature(1,1,gr.sizeof_float), + gr.io_signature(1,1,gr.sizeof_float)) + + self.split = gr.multiply_const_ff( 1 ) + self.sqr = gr.multiply_ff( ) + self.int0 = gr.iir_filter_ffd( [.004, 0], [0, .999] ) + self.offs = gr.add_const_ff( -30 ) + self.gain = gr.multiply_const_ff( 70 ) + self.log = gr.nlog10_ff( 10, 1 ) + self.agc = gr.divide_ff( ) + + self.connect(self, self.split) + self.connect(self.split, (self.agc, 0)) + self.connect(self.split, (self.sqr, 0)) + self.connect(self.split, (self.sqr, 1)) + self.connect(self.sqr, self.int0) + self.connect(self.int0, self.log) + self.connect(self.log, self.offs) + self.connect(self.offs, self.gain) + self.connect(self.gain, (self.agc, 1)) + self.connect(self.agc, self) diff --git a/gr-uhd/apps/hf_radio/ssbdemod.py b/gr-uhd/apps/hf_radio/ssbdemod.py new file mode 100644 index 000000000..072d317a2 --- /dev/null +++ b/gr-uhd/apps/hf_radio/ssbdemod.py @@ -0,0 +1,116 @@ +# Copyright 2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +# This tries to push the hilbert transform for ssb demod back into the +# freq. xlating filter. +# +# The starting point for this was weaver_isb_am1_usrp3.py. +# +# The tap coefficients for freq_xlating_fir_filter_ccf were generated +# externally and are read from a file because I didn't want to learn how +# to make fir filters with arbitrary phase response using python numeric +# facilities. +# +# They were generated using Scilab which I am already familiar with. +# M. Revnell Jan 06 + +from gnuradio import gr + +class ssb_demod( gr.hier_block2 ): + def __init__( self, if_rate, af_rate ): + gr.hier_block2.__init__(self, "ssb_demod", + gr.io_signature(1,1,gr.sizeof_gr_complex), + gr.io_signature(1,1,gr.sizeof_float)) + + self.if_rate = int(if_rate) + self.af_rate = int(af_rate) + self.if_decim = int(if_rate / af_rate) + self.sideband = 1 + + self.xlate_taps = ([complex(v) for v in file('ssb_taps').readlines()]) + + self.audio_taps = gr.firdes.low_pass( + 1.0, + self.af_rate, + 3e3, + 600, + gr.firdes.WIN_HAMMING ) + + self.xlate = gr.freq_xlating_fir_filter_ccc( + self.if_decim, + self.xlate_taps, + 0, + self.if_rate ) + + self.split = gr.complex_to_float() + + self.lpf = gr.fir_filter_fff( + 1, self.audio_taps ) + + self.sum = gr.add_ff( ) + self.am_sel = gr.multiply_const_ff( 0 ) + self.sb_sel = gr.multiply_const_ff( 1 ) + self.mixer = gr.add_ff() + self.am_det = gr.complex_to_mag() + + self.connect(self, self.xlate) + self.connect(self.xlate, self.split) + self.connect((self.split, 0), (self.sum, 0)) + self.connect((self.split, 1), (self.sum, 1)) + self.connect(self.sum, self.sb_sel) + self.connect(self.xlate, self.am_det) + self.connect(self.sb_sel, (self.mixer, 0)) + self.connect(self.am_det, self.am_sel) + self.connect(self.am_sel, (self.mixer, 1)) + self.connect(self.mixer, self.lpf) + self.connect(self.lpf, self) + + def upper_sb( self ): + self.xlate.set_taps([v.conjugate() for v in self.xlate_taps]) + self.sb_sel.set_k( 1.0 ) + self.am_sel.set_k( 0.0 ) + + def lower_sb( self ): + self.xlate.set_taps(self.xlate_taps) + self.sb_sel.set_k( 1.0 ) + self.am_sel.set_k( 0.0 ) + + def set_am( self ): + taps = gr.firdes.low_pass( 1.0, + self.if_rate, + 5e3, + 2e3, + gr.firdes.WIN_HAMMING ) + self.xlate.set_taps( taps ) + self.sb_sel.set_k( 0.0 ) + self.am_sel.set_k( 1.0 ) + + def set_bw( self, bw ): + self.audio_taps = gr.firdes.low_pass( + 1.0, + self.af_rate, + bw, + 600, + gr.firdes.WIN_HAMMING ) + self.lpf.set_taps( self.audio_taps ) + + def tune( self, freq ): + self.xlate.set_center_freq( freq ) + diff --git a/gr-uhd/apps/hf_radio/startup.py b/gr-uhd/apps/hf_radio/startup.py new file mode 100644 index 000000000..093369b57 --- /dev/null +++ b/gr-uhd/apps/hf_radio/startup.py @@ -0,0 +1 @@ +from radio import * diff --git a/gr-uhd/apps/hf_radio/ui.py b/gr-uhd/apps/hf_radio/ui.py new file mode 100755 index 000000000..551a30415 --- /dev/null +++ b/gr-uhd/apps/hf_radio/ui.py @@ -0,0 +1,316 @@ +#!/usr/bin/env python +# +# Copyright 2011 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +# -*- coding: UTF-8 -*- +# generated by wxGlade 0.4 on Mon Jan 2 19:02:03 2006 + +import wx + +class ui_frame(wx.Frame): + def __init__(self, *args, **kwds): + # begin wxGlade: ui_frame.__init__ + kwds["style"] = wx.DEFAULT_FRAME_STYLE + wx.Frame.__init__(self, *args, **kwds) + self.sizer_1_staticbox = wx.StaticBox(self, -1, "sizer_1") + self.freq_disp = wx.SpinCtrl(self, -1, "", min=0, max=100) + self.spin_e6 = wx.SpinButton(self, -1 ) + self.spin_e5 = wx.SpinButton(self, -1 ) + self.spin_e4 = wx.SpinButton(self, -1 ) + self.spin_e3 = wx.SpinButton(self, -1 ) + self.spin_e2 = wx.SpinButton(self, -1 ) + self.spin_e1 = wx.SpinButton(self, -1 ) + self.spin_e0 = wx.SpinButton(self, -1 ) + self.panel_1 = wx.Panel(self, -1) + self.panel_2 = wx.Panel(self, -1) + self.button_lsb = wx.Button(self, -1, "LSB") + self.button_usb = wx.Button(self, -1, "USB") + self.button_am = wx.Button(self, -1, "AM") + self.label_1 = wx.StaticText(self, -1, "VOLUME") + self.label_2 = wx.StaticText(self, -1, "PGA") + self.agc_level = wx.TextCtrl(self, -1, "") + self.label_6 = wx.StaticText(self, -1, "") + self.volume = wx.SpinCtrl(self, -1, "", min=0, max=100) + self.pga = wx.SpinCtrl(self, -1, "", min=0, max=100) + self.agc_max = wx.TextCtrl(self, -1, "") + self.label_7 = wx.StaticText(self, -1, "") + self.label_4 = wx.StaticText(self, -1, "AGC AUTHORITY") + self.label_5 = wx.StaticText(self, -1, "AGC REF LVL") + self.label_3 = wx.StaticText(self, -1, "BANDWIDTH") + self.label_8 = wx.StaticText(self, -1, "") + self.agc_gain = wx.TextCtrl(self, -1, "") + self.agc_gain_s = wx.SpinButton(self, -1 ) + self.agc_ref = wx.TextCtrl(self, -1, "") + self.agc_ref_s = wx.SpinButton(self, -1 ) + self.bandwidth = wx.TextCtrl(self, -1, "") + self.bw_spin = wx.SpinButton(self, -1 ) + self.label_9 = wx.StaticText(self, -1, "") + self.rssi = wx.Gauge(self, -1, 10, style=wx.GA_HORIZONTAL|wx.GA_SMOOTH) + self.fe_panel = wx.Panel(self, -1) + self.if_panel = wx.Panel(self, -1) + + self.__set_properties() + self.__do_layout() + + self.Bind(wx.EVT_SPINCTRL, self.tune_evt, self.freq_disp) + self.Bind(wx.EVT_SPIN_DOWN, self.down_e6, self.spin_e6) + self.Bind(wx.EVT_SPIN_UP, self.up_e6, self.spin_e6) + self.Bind(wx.EVT_SPIN_DOWN, self.down_e5, self.spin_e5) + self.Bind(wx.EVT_SPIN_UP, self.up_e5, self.spin_e5) + self.Bind(wx.EVT_SPIN_DOWN, self.down_e4, self.spin_e4) + self.Bind(wx.EVT_SPIN_UP, self.up_e4, self.spin_e4) + self.Bind(wx.EVT_SPIN_DOWN, self.down_e3, self.spin_e3) + self.Bind(wx.EVT_SPIN_UP, self.up_e3, self.spin_e3) + self.Bind(wx.EVT_SPIN_DOWN, self.down_e2, self.spin_e2) + self.Bind(wx.EVT_SPIN_UP, self.up_e2, self.spin_e2) + self.Bind(wx.EVT_SPIN_DOWN, self.down_e1, self.spin_e1) + self.Bind(wx.EVT_SPIN_UP, self.up_e1, self.spin_e1) + self.Bind(wx.EVT_SPIN_DOWN, self.down_e0, self.spin_e0) + self.Bind(wx.EVT_SPIN_UP, self.up_e0, self.spin_e0) + self.Bind(wx.EVT_BUTTON, self.set_lsb, self.button_lsb) + self.Bind(wx.EVT_BUTTON, self.set_usb, self.button_usb) + self.Bind(wx.EVT_BUTTON, self.set_am, self.button_am) + self.Bind(wx.EVT_SPINCTRL, self.event_vol, self.volume) + self.Bind(wx.EVT_SPINCTRL, self.event_pga, self.pga) + self.Bind(wx.EVT_SPIN_DOWN, self.agc_gain_down, self.agc_gain_s) + self.Bind(wx.EVT_SPIN_UP, self.agc_gain_up, self.agc_gain_s) + self.Bind(wx.EVT_SPIN_DOWN, self.agc_ref_down, self.agc_ref_s) + self.Bind(wx.EVT_SPIN_UP, self.agc_ref_up, self.agc_ref_s) + self.Bind(wx.EVT_SPIN_DOWN, self.bw_down, self.bw_spin) + self.Bind(wx.EVT_SPIN_UP, self.bw_up, self.bw_spin) + # end wxGlade + + def __set_properties(self): + # begin wxGlade: ui_frame.__set_properties + self.SetTitle("frame_1") + self.freq_disp.SetFont(wx.Font(32, wx.DEFAULT, wx.NORMAL, wx.NORMAL, 0, "")) + self.rssi.SetMinSize((315, 10)) + self.rssi.SetForegroundColour(wx.Colour(255, 0, 0)) + # end wxGlade + + def __do_layout(self): + # begin wxGlade: ui_frame.__do_layout + sizer_1 = wx.StaticBoxSizer(self.sizer_1_staticbox, wx.VERTICAL) + sizer_2 = wx.BoxSizer(wx.HORIZONTAL) + sizer_4 = wx.BoxSizer(wx.VERTICAL) + grid_sizer_4 = wx.GridSizer(2, 4, 0, 0) + sizer_5 = wx.BoxSizer(wx.HORIZONTAL) + sizer_7 = wx.BoxSizer(wx.HORIZONTAL) + sizer_6 = wx.BoxSizer(wx.HORIZONTAL) + grid_sizer_3 = wx.GridSizer(2, 4, 0, 0) + sizer_3 = wx.BoxSizer(wx.VERTICAL) + grid_sizer_1 = wx.GridSizer(2, 3, 0, 0) + grid_sizer_2 = wx.GridSizer(1, 7, 0, 0) + sizer_3.Add(self.freq_disp, 1, wx.EXPAND|wx.ADJUST_MINSIZE, 0) + grid_sizer_2.Add(self.spin_e6, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_2.Add(self.spin_e5, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_2.Add(self.spin_e4, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_2.Add(self.spin_e3, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_2.Add(self.spin_e2, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_2.Add(self.spin_e1, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_2.Add(self.spin_e0, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_1.Add(grid_sizer_2, 1, wx.EXPAND, 0) + grid_sizer_1.Add(self.panel_1, 1, wx.EXPAND, 0) + grid_sizer_1.Add(self.panel_2, 1, wx.EXPAND, 0) + grid_sizer_1.Add(self.button_lsb, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_1.Add(self.button_usb, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_1.Add(self.button_am, 0, wx.ADJUST_MINSIZE, 0) + sizer_3.Add(grid_sizer_1, 1, wx.EXPAND, 0) + sizer_2.Add(sizer_3, 1, wx.EXPAND, 0) + grid_sizer_3.Add(self.label_1, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_3.Add(self.label_2, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_3.Add(self.agc_level, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_3.Add(self.label_6, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_3.Add(self.volume, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_3.Add(self.pga, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_3.Add(self.agc_max, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_3.Add(self.label_7, 0, wx.ADJUST_MINSIZE, 0) + sizer_4.Add(grid_sizer_3, 1, wx.EXPAND, 0) + grid_sizer_4.Add(self.label_4, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_4.Add(self.label_5, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_4.Add(self.label_3, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_4.Add(self.label_8, 0, wx.ADJUST_MINSIZE, 0) + sizer_6.Add(self.agc_gain, 0, wx.ADJUST_MINSIZE, 0) + sizer_6.Add(self.agc_gain_s, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_4.Add(sizer_6, 1, wx.EXPAND, 0) + sizer_7.Add(self.agc_ref, 0, wx.ADJUST_MINSIZE, 0) + sizer_7.Add(self.agc_ref_s, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_4.Add(sizer_7, 1, wx.EXPAND, 0) + sizer_5.Add(self.bandwidth, 0, wx.ADJUST_MINSIZE, 0) + sizer_5.Add(self.bw_spin, 0, wx.ADJUST_MINSIZE, 0) + grid_sizer_4.Add(sizer_5, 1, wx.EXPAND, 0) + grid_sizer_4.Add(self.label_9, 0, wx.ADJUST_MINSIZE, 0) + sizer_4.Add(grid_sizer_4, 1, wx.EXPAND, 0) + sizer_4.Add(self.rssi, 1, wx.EXPAND|wx.ADJUST_MINSIZE, 0) + sizer_2.Add(sizer_4, 1, wx.EXPAND, 0) + sizer_1.Add(sizer_2, 1, wx.EXPAND, 0) + sizer_1.Add(self.fe_panel, 1, wx.EXPAND, 0) + sizer_1.Add(self.if_panel, 1, wx.EXPAND, 0) + self.SetAutoLayout(True) + self.SetSizer(sizer_1) + sizer_1.Fit(self) + sizer_1.SetSizeHints(self) + self.Layout() + # end wxGlade + + def down_e6(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `down_e6' not implemented" + event.Skip() + + def up_e6(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `up_e6' not implemented" + event.Skip() + + def down_e5(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `down_e5' not implemented" + event.Skip() + + def up_e5(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `up_e5' not implemented" + event.Skip() + + def down_e4(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `down_e4' not implemented" + event.Skip() + + def up_e4(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `up_e4' not implemented" + event.Skip() + + def down_e3(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `down_e3' not implemented" + event.Skip() + + def up_e3(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `up_e3' not implemented" + event.Skip() + + def down_e2(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `down_e2' not implemented" + event.Skip() + + def up_e2(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `up_e2' not implemented" + event.Skip() + + def down_e1(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `down_e1' not implemented" + event.Skip() + + def up_e1(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `up_e1' not implemented" + event.Skip() + + def down_e0(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `down_e0' not implemented" + event.Skip() + + def up_e0(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `up_e0' not implemented" + event.Skip() + + def event_vol(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `event_vol' not implemented" + event.Skip() + + def event_pga(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `event_pga' not implemented" + event.Skip() + + def set_lsb(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `set_lsb' not implemented" + event.Skip() + + def set_usb(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `set_usb' not implemented" + event.Skip() + + def set_am(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `set_am' not implemented" + event.Skip() + + def set_bw(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `set_bw' not implemented" + event.Skip() + + def tune_evt(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `tune_evt' not implemented" + event.Skip() + + def bw_down(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `bw_down' not implemented" + event.Skip() + + def bw_up(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `bw_up' not implemented" + event.Skip() + + def agc_gain_down(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `agc_gain_down' not implemented" + event.Skip() + + def agc_gain_up(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `agc_gain_up' not implemented" + event.Skip() + + def agc_ref_down(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `agc_ref_down' not implemented" + event.Skip() + + def agc_ref_up(self, event): # wxGlade: ui_frame.<event_handler> + print "Event handler `agc_ref_up' not implemented" + event.Skip() + +# end of class ui_frame + + +class RadioFrame(wx.Frame): + def __init__(self, *args, **kwds): + # content of this block not found: did you rename this class? + pass + + def __set_properties(self): + # content of this block not found: did you rename this class? + pass + + def __do_layout(self): + # content of this block not found: did you rename this class? + pass + +# end of class RadioFrame + + +class MyFrame(wx.Frame): + def __init__(self, *args, **kwds): + # content of this block not found: did you rename this class? + pass + + def __set_properties(self): + # content of this block not found: did you rename this class? + pass + + def __do_layout(self): + # content of this block not found: did you rename this class? + pass + +# end of class MyFrame + + |