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ofdmQam.py
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ofdmQam.py
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#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Ofdmqam
# Generated: Tue Jun 6 21:05:14 2017
##################################################
from gnuradio import analog
from gnuradio import blocks
from gnuradio import digital
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio import wxgui
from gnuradio.eng_option import eng_option
from gnuradio.fft import window
from gnuradio.filter import firdes
from gnuradio.wxgui import fftsink2
from gnuradio.wxgui import forms
from grc_gnuradio import blks2 as grc_blks2
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import wx
class ofdmQam(grc_wxgui.top_block_gui):
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Ofdmqam")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.ampNoise = ampNoise = 0
##################################################
# Blocks
##################################################
_ampNoise_sizer = wx.BoxSizer(wx.VERTICAL)
self._ampNoise_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ampNoise_sizer,
value=self.ampNoise,
callback=self.set_ampNoise,
label='ampNoise',
converter=forms.float_converter(),
proportion=0,
)
self._ampNoise_slider = forms.slider(
parent=self.GetWin(),
sizer=_ampNoise_sizer,
value=self.ampNoise,
callback=self.set_ampNoise,
minimum=0,
maximum=100,
num_steps=1,
style=wx.SL_VERTICAL,
cast=float,
proportion=1,
)
self.Add(_ampNoise_sizer)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Transmissao",
peak_hold=False,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 1, 1, 1, 1)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(digital.ofdm_mod(
options=grc_blks2.options(
modulation="bpsk",
fft_length=64,
occupied_tones=52,
cp_length=16,
pad_for_usrp=True,
log=None,
verbose=None,
),
),
payload_length=0,
)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_f(digital.ofdm_demod(
options=grc_blks2.options(
modulation="bpsk",
fft_length=64,
occupied_tones=52,
cp_length=16,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload),
),
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_float*1, "/home/luan/Documentos/GNU/ofdmQamLuan_TxRx_File/lena_Tx.jpeg", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float*1, "/home/luan/Documentos/GNU/ofdmQamLuan_TxRx_File/lena_Rx.jpeg", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, ampNoise, 0)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_mod_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_file_source_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_demod_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.digital_ofdm_demod_0, 0))
# QT sink close method reimplementation
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate)
self.blocks_throttle_0.set_sample_rate(self.samp_rate)
def get_ampNoise(self):
return self.ampNoise
def set_ampNoise(self, ampNoise):
self.ampNoise = ampNoise
self.analog_noise_source_x_0.set_amplitude(self.ampNoise)
self._ampNoise_slider.set_value(self.ampNoise)
self._ampNoise_text_box.set_value(self.ampNoise)
if __name__ == '__main__':
import ctypes
import os
if os.name == 'posix':
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print "Warning: failed to XInitThreads()"
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
tb = ofdmQam()
tb.Start(True)
tb.Wait()