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Lang_TX.py
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Lang_TX.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Lang Tx
# Generated: Thu May 28 20:34:40 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 import iio
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from optparse import OptionParser
import os
import errno
class Lang_TX(gr.top_block):
def __init__(self):
gr.top_block.__init__(self, "Lang Tx")
##################################################
# Variables
##################################################
self.PTT = PTT = False
self.Mode = Mode = 0
self.MicGain = MicGain = 5.0
self.KEY = KEY = False
self.Filt_Low = Filt_Low = 300
self.Filt_High = Filt_High = 3000
self.FMMIC = FMMIC = 50
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=11,
decimation=1,
taps=None,
fractional_bw=None,
)
self.pluto_sink_0 = iio.pluto_sink('ip:pluto.local', 1000000000, 528000, 2000000, 0x800, False, 0, '', True)
self.blocks_mute_xx_0_0 = blocks.mute_cc(bool(not PTT))
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_4 = blocks.multiply_const_vcc(((Mode < 4) or (Mode==5), ))
self.blocks_multiply_const_vxx_3 = blocks.multiply_const_vcc((Mode==4, ))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((FMMIC/10.0, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(((MicGain/10.0)*(not (Mode==2))*(not (Mode==3)), ))
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_add_xx_2 = blocks.add_vcc(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vcc(((0.5 * int(Mode==5)) + (int(Mode==2) * KEY) +(int(Mode==3) * KEY), ))
self.band_pass_filter_1 = filter.fir_filter_fff(1, firdes.band_pass(
1, 48000, 200, 3000, 100, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0_0 = filter.fir_filter_ccc(1, firdes.complex_band_pass(
1, 48000, Filt_Low, Filt_High, 100, firdes.WIN_HAMMING, 6.76))
self.audio_source_0 = audio.source(48000, "hw:CARD=Device,DEV=0", False)
self.analog_sig_source_x_0 = analog.sig_source_c(48000, analog.GR_COS_WAVE, 0, 1, 0)
self.analog_nbfm_tx_0 = analog.nbfm_tx(
audio_rate=48000,
quad_rate=48000,
tau=75e-6,
max_dev=3000,
fh=-1,
)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0)
self.analog_agc2_xx_1 = analog.agc2_cc(1e-1, 1e-1, 1.3- (0.65*(int(Mode==5))), 1.0)
self.analog_agc2_xx_1.set_max_gain(10)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_1, 0), (self.band_pass_filter_0_0, 0))
self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.analog_nbfm_tx_0, 0), (self.blocks_multiply_const_vxx_3, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.band_pass_filter_0_0, 0), (self.blocks_multiply_const_vxx_4, 0))
self.connect((self.band_pass_filter_1, 0), (self.analog_nbfm_tx_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_add_xx_2, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.band_pass_filter_1, 0))
self.connect((self.blocks_multiply_const_vxx_3, 0), (self.blocks_add_xx_2, 0))
self.connect((self.blocks_multiply_const_vxx_4, 0), (self.blocks_add_xx_2, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc2_xx_1, 0))
self.connect((self.blocks_mute_xx_0_0, 0), (self.pluto_sink_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_mute_xx_0_0, 0))
def get_PTT(self):
return self.PTT
def set_PTT(self, PTT):
self.PTT = PTT
self.blocks_mute_xx_0_0.set_mute(bool(not self.PTT))
def get_Mode(self):
return self.Mode
def set_Mode(self, Mode):
self.Mode = Mode
self.blocks_multiply_const_vxx_4.set_k(((self.Mode < 4) or (self.Mode==5), ))
self.blocks_multiply_const_vxx_3.set_k((self.Mode==4, ))
self.blocks_multiply_const_vxx_0.set_k(((self.MicGain/10.0)*(not (self.Mode==2))*(not (self.Mode==3)), ))
self.blocks_add_const_vxx_0.set_k(((0.5 * int(self.Mode==5)) + (int(self.Mode==2) * self.KEY) +(int(self.Mode==3) * self.KEY), ))
self.analog_agc2_xx_1.set_reference(1.3- (0.65*(int(self.Mode==5))))
def get_MicGain(self):
return self.MicGain
def set_MicGain(self, MicGain):
self.MicGain = MicGain
self.blocks_multiply_const_vxx_0.set_k(((self.MicGain/10.0)*(not (self.Mode==2))*(not (self.Mode==3)), ))
def get_KEY(self):
return self.KEY
def set_KEY(self, KEY):
self.KEY = KEY
self.blocks_add_const_vxx_0.set_k(((0.5 * int(self.Mode==5)) + (int(self.Mode==2) * self.KEY) +(int(self.Mode==3) * self.KEY), ))
def get_Filt_Low(self):
return self.Filt_Low
def set_Filt_Low(self, Filt_Low):
self.Filt_Low = Filt_Low
self.band_pass_filter_0_0.set_taps(firdes.complex_band_pass(1, 48000, self.Filt_Low, self.Filt_High, 100, firdes.WIN_HAMMING, 6.76))
def get_Filt_High(self):
return self.Filt_High
def set_Filt_High(self, Filt_High):
self.Filt_High = Filt_High
self.band_pass_filter_0_0.set_taps(firdes.complex_band_pass(1, 48000, self.Filt_Low, self.Filt_High, 100, firdes.WIN_HAMMING, 6.76))
def get_FMMIC(self):
return self.FMMIC
def set_FMMIC(self, FMMIC):
self.FMMIC = FMMIC
self.blocks_multiply_const_vxx_0_0.set_k((self.FMMIC/10.0, ))
def docommands(tb):
try:
os.mkfifo("/tmp/langstoneTx")
except OSError as oe:
if oe.errno != errno.EEXIST:
raise
ex=False
lastbase=0
while not ex:
fifoin=open("/tmp/langstoneTx",'r')
while True:
try:
with fifoin as filein:
for line in filein:
line=line.strip()
if line=='Q':
ex=True
if line=='R':
tb.set_PTT(False)
if line=='T':
tb.set_PTT(True)
if line=='K':
tb.set_KEY(True)
if line=='k':
tb.set_KEY(False)
if line=='H':
tb.lock()
if line=='h':
tb.unlock()
if line[0]=='G':
value=int(line[1:])
tb.set_MicGain(value)
if line[0]=='g':
value=int(line[1:])
tb.set_FMMIC(value)
if line[0]=='F':
value=int(line[1:])
tb.set_Filt_High(value)
if line[0]=='f':
value=int(line[1:])
tb.set_Filt_Low(value)
if line[0]=='M':
value=int(line[1:])
tb.set_Mode(value)
except:
break
def main(top_block_cls=Lang_TX, options=None):
tb = top_block_cls()
tb.start()
docommands(tb)
tb.stop()
tb.wait()
if __name__ == '__main__':
main()