def __init__(self):
gr.top_block.__init__(self, "AX.25 Sink Test")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 256000
self.baud = baud = 9600
self.samp_per_sym = samp_per_sym = samp_rate/baud
##################################################
# Blocks
##################################################
self.digital_gfsk_mod_0 = digital.gfsk_mod(
samples_per_symbol=samp_per_sym,
sensitivity=1.0,
bt=0.35,
verbose=False,
log=False,
)
self.digital_gfsk_demod_0 = digital.gfsk_demod(
samples_per_symbol=samp_per_sym,
sensitivity=1.0,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_file_source_0_0 = blocks.file_source(gr.sizeof_char*1, "/home/ground/jaidenfe/gr-Interfaces/examples/.ax25_sink_test.dat", True)
self.Interfaces_ax25_sink_b_0 = Interfaces.ax25_sink_b("WJ9XLE", "WJ9XLE")
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.digital_gfsk_mod_0, 0))
self.connect((self.digital_gfsk_demod_0, 0), (self.Interfaces_ax25_sink_b_0, 0))
self.connect((self.digital_gfsk_mod_0, 0), (self.digital_gfsk_demod_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ax25 Rx Test")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 195312
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("addr=192.168.10.2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(145.9e6, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.digital_gfsk_demod_0 = digital.gfsk_demod(
samples_per_symbol=2,
sensitivity=1.0,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.Interfaces_ax25_sink_b_0 = Interfaces.ax25_sink_b("WJ9XLE", "WJ9XLE", True)
##################################################
# Connections
##################################################
self.connect((self.digital_gfsk_demod_0, 0), (self.Interfaces_ax25_sink_b_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.digital_gfsk_demod_0, 0))
