def __init__(self):
gr.top_block.__init__(self, "CC1101 Burst Detector")
def rx_callback():
print "Callback Fired"
# Variables
self.samp_rate = samp_rate = 125e3
self.f_center = f_center = 868e6
self.bandwidth = bandwidth = 200e3
self.gain = gain = 5
# Blocks
self.uhd_src = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_src.set_subdev_spec("A:0", 0)
self.uhd_src.set_samp_rate(samp_rate)
self.uhd_src.set_center_freq(f_center, 0)
self.uhd_src.set_gain(gain, 0)
self.uhd_src.set_antenna("TX/RX", 0)
self.uhd_src.set_bandwidth(bandwidth, 0)
self.uhd_src.set_samp_rate(self.samp_rate)
self.uhd_src.set_center_freq(self.f_center, 0)
self.uhd_src.set_gain(self.gain, 0)
self.packet_receiver = level.cc1k_demod_pkts(callback=rx_callback())
# Connections
self.connect(self.uhd_src, self.packet_receiver)
def __init__(self):
gr.top_block.__init__(self, "CC1101 Burst Detector")
def rx_callback():
print "Callback Fired"
# Variables
self.samp_rate = samp_rate = 125e3
self.f_center = f_center = 520e6
self.bandwidth = bandwidth = 125e3
self.gain = gain = 5
# Blocks
self.uhd_src = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_src.set_subdev_spec("A:0", 0)
self.uhd_src.set_samp_rate(samp_rate)
self.uhd_src.set_center_freq(f_center, 0)
self.uhd_src.set_gain(gain, 0)
self.uhd_src.set_antenna("RX2", 0)
self.uhd_src.set_bandwidth(bandwidth, 0)
self.uhd_src.set_samp_rate(self.samp_rate)
self.uhd_src.set_center_freq(self.f_center, 0)
self.uhd_src.set_gain(self.gain, 0)
self.packet_receiver = level.cc1k_demod_pkts(callback=rx_callback())
# Connections
self.connect(self.uhd_src, self.packet_receiver)
def __init__(self):
gr.top_block.__init__(self, "CC1101 Burst Detector")
def rx_callback():
print "Callback Fired"
# Variables
self.samp_rate = samp_rate = 250e3
self.f_center = f_center = 510e6
self.bandwidth = bandwidth = 125e3
self.gain = gain = 15
self.sps = sps = 2
# Blocks
self.uhd_src = uhd.usrp_source(
device_addr="serial=E8R10Z2B1", #cheetara
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_src.set_samp_rate(samp_rate)
self.uhd_src.set_center_freq(f_center, 0)
self.uhd_src.set_gain(gain, 0)
self.uhd_src.set_antenna("TX/RX", 0)
self.uhd_src.set_bandwidth(bandwidth, 0)
self.uhd_src.set_samp_rate(self.samp_rate)
self.uhd_src.set_center_freq(self.f_center, 0)
self.uhd_src.set_gain(self.gain, 0)
# change magic_num until abs(ratio) as close to 0 (when sending all A's)
# as possible (.000X or closer)
# need to solve clock synchronization
self.msk_demod = level.msk_demod_cf(ti_adj=False, magic_num=.022)
self.agc = gr.agc2_cc()
#self.clock_sync = digital.pfb_clock_sync_ccf(sps=2,)
self.costas_loop = digital.costas_loop_cc(2*3.14/100.0, 4)
self.packet_receiver = level.cc1k_demod_pkts(callback=rx_callback())
self.vec_sink = gr.vector_sink_f(1)
self.slicer = digital.binary_slicer_fb()
self.bin_sink = gr.vector_sink_b(1)
# Connections
self.connect(self.uhd_src, self.agc, self.msk_demod, self.slicer, self.bin_sink)
self.connect(self.msk_demod, self.vec_sink)
self.connect(self.uhd_src, self.packet_receiver)
