kopia lustrzana https://github.com/rpp0/gr-lora
75 wiersze
2.6 KiB
Python
75 wiersze
2.6 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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#
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# Copyright 2016 Pieter Robyns.
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#
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# This is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# This software is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this software; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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from gnuradio import gr
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import gnuradio
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import lora
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class lora_receiver(gr.hier_block2):
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"""
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docstring for block lora_receiver
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"""
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def __init__(self, in_samp_rate, center_freq, channel_list, sf, out_samp_rate, implicit, cr, crc, reduced_rate=False, conj=False):
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gr.hier_block2.__init__(self,
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"lora_receiver", # Min, Max, gr.sizeof_<type>
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gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
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gr.io_signature(0, 0, 0)) # Output signature
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# Parameters
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self.in_samp_rate = in_samp_rate
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self.center_freq = center_freq
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self.sf = sf
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self.out_samp_rate = out_samp_rate
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self.channel_list = channel_list
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self.conj = conj
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# Define blocks
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self.block_conj = gnuradio.blocks.conjugate_cc()
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self.channelizer = lora.channelizer(in_samp_rate, out_samp_rate, center_freq, channel_list)
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self.decoder = lora.decoder(out_samp_rate, sf, implicit, cr, crc, reduced_rate)
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# Messages
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self.message_port_register_hier_out('frames')
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# Connect blocks
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self.connect((self, 0), (self.channelizer, 0))
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if self.conj:
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self.connect((self.channelizer, 0), (self.block_conj, 0))
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self.connect((self.block_conj, 0), (self.decoder, 0))
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else:
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self.connect((self.channelizer, 0), (self.decoder, 0))
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self.msg_connect((self.decoder, 'frames'), (self, 'frames'))
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self.msg_connect((self.decoder, 'control'), (self.channelizer, 'control'))
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def get_sf(self):
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return self.sf
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def set_sf(self, sf):
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self.sf = sf
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self.decoder.set_sf(self.sf)
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def get_center_freq(self):
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return self.center_freq
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def set_center_freq(self, center_freq):
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self.center_freq = center_freq
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self.channelizer.set_center_freq(self.center_freq)
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