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top_block.py
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top_block.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Africube
# Author: Anton Janovsky
# Generated: Fri Aug 14 19:26:16 2020
##################################################
from gnuradio import analog
from gnuradio import audio
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from grc_gnuradio import blks2 as grc_blks2
from optparse import OptionParser
import SimpleXMLRPCServer
import sdrplay
import threading
class top_block(gr.top_block):
def __init__(self):
gr.top_block.__init__(self, "Africube")
##################################################
# Variables
##################################################
self.samp_rate_Baseband = samp_rate_Baseband = 88200
self.samp_rate = samp_rate = 2205000
self.beacon = beacon = 1
##################################################
# Blocks
##################################################
self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(('localhost', 8080), allow_none=True)
self.xmlrpc_server_0.register_instance(self)
self.xmlrpc_server_0_thread = threading.Thread(target=self.xmlrpc_server_0.serve_forever)
self.xmlrpc_server_0_thread.daemon = True
self.xmlrpc_server_0_thread.start()
self.sdrplay_rsp1_source_0 = sdrplay.rsp1_source(435.1e6, 1536, True, 40, False, False,
False, 0, 1, samp_rate, True, '0')
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate_Baseband, 20000, 2500, firdes.WIN_HAMMING, 6.76))
self.high_pass_filter_0 = filter.fir_filter_ccf(1, firdes.high_pass(
1, samp_rate_Baseband, 24188, 2500, firdes.WIN_HAMMING, 6.76))
self.fir_filter_xxx_0 = filter.fir_filter_ccc(25, (1, ))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_3 = blocks.multiply_const_vcc((beacon, ))
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((0.5, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((20, ))
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blks2_tcp_sink_1 = grc_blks2.tcp_sink(
itemsize=gr.sizeof_gr_complex*1,
addr='127.0.0.1',
port=8011,
server=False,
)
self.audio_source_0 = audio.source(44100, 'plughw:0,1', True)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate_Baseband, analog.GR_COS_WAVE, -30000, 0.300, 0)
self.analog_nbfm_tx_0 = analog.nbfm_tx(
audio_rate=44100,
quad_rate=samp_rate_Baseband,
tau=75e-6,
max_dev=3500,
fh=-1.0,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_tx_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blks2_tcp_sink_1, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.analog_nbfm_tx_0, 0))
self.connect((self.blocks_multiply_const_vxx_3, 0), (self.high_pass_filter_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_multiply_const_vxx_3, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.high_pass_filter_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.sdrplay_rsp1_source_0, 0), (self.fir_filter_xxx_0, 0))
def get_samp_rate_Baseband(self):
return self.samp_rate_Baseband
def set_samp_rate_Baseband(self, samp_rate_Baseband):
self.samp_rate_Baseband = samp_rate_Baseband
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate_Baseband, 20000, 2500, firdes.WIN_HAMMING, 6.76))
self.high_pass_filter_0.set_taps(firdes.high_pass(1, self.samp_rate_Baseband, 24188, 2500, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate_Baseband)
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
def get_beacon(self):
return self.beacon
def set_beacon(self, beacon):
self.beacon = beacon
self.blocks_multiply_const_vxx_3.set_k((self.beacon, ))
def main(top_block_cls=top_block, options=None):
tb = top_block_cls()
tb.start()
tb.wait()
if __name__ == '__main__':
main()