def build_us_block(options):
"""
Builds the US top block.
The RX path performs the ED sensing
The TX path transmits a BER
@param options
"""
# TOP BLOCK
tb = OpERAFlow(name='US')
# RX PATH
if not options.tx_only:
uhd_source = UHDSource(device_addr=options.args)
uhd_source.samp_rate = 195512
the_source = uhd_source
the_sink = blocks.probe_signal_f()
rx_path = EnergySSArch(fft_size=512,
mavg_size=5,
algorithm=EnergyDecision(th=0.000005)
)
device_source = RadioDevice()
device_source.add_arch(source=the_source, arch=rx_path, sink=the_sink, uhd_device=None, name="source")
###tb.add_arch( abstract_arch = rx_path, radio_device = device_source, name_of_arch = 'rx')
tb.ad_radio(device_source, 'rx')
# TX PATH
tx_path = PacketGMSKTx(name='a')
Logger.add_to_print_list("a_bit_rate", 'bps')
uhd_sink = UHDSink(device_addr = options.args)
uhd_sink.samp_rate = options.samp_rate
the_source = None
the_sink = uhd_sink
uhd_device = uhd_sink
radio_sink = RadioDevice()
#::TODO:: conferir se arch é mesmo tx_path, e fazer essa verificacao do tx_path e rx_path para todos os outros arquivos
radio_sink.add_arch(source=the_source, arch=tx_path, sink=the_sink, uhd_device=uhd_device, name="sink")
###tb.add_arch( tx_path, radio_sink, 'tx', connection_type = OpERAFlow.CONN_SINK)
tb.add_radio(radio_sink, 'tx')
return tb
