Revision c7dbfcc7 gnuradio-examples/python/ofdm/transmit_path.py

b/gnuradio-examples/python/ofdm/transmit_path.py
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import copy
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import sys
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# from current dir







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import ofdm







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# /////////////////////////////////////////////////////////////////////////////







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#                              transmit path







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# /////////////////////////////////////////////////////////////////////////////







......




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        self._verbose      = options.verbose







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        self._tx_amplitude = options.tx_amplitude    # digital amplitude sent to USRP







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        self.ofdm_mod = ofdm.ofdm_mod(fg, options)







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        self.packet_transmitter = \








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        self.ofdm_transmitter = \







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            blks.mod_ofdm_pkts(fg,







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                               self.ofdm_mod,







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                               access_code=None,








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                               options,







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                               msgq_limit=4,







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                               pad_for_usrp=True)








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                               pad_for_usrp=False)







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        self.amp = gr.multiply_const_cc(1)







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        self.set_tx_amplitude(self._tx_amplitude)







......




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            self._print_verbage()







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        # Create and setup transmit path flow graph







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        fg.connect(self.packet_transmitter, self.amp)








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        fg.connect(self.ofdm_transmitter, self.amp)







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        gr.hier_block.__init__(self, fg, None, self.amp)







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    def set_tx_amplitude(self, ampl):







......




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        """







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        Calls the transmitter method to send a packet







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        """







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        return self.packet_transmitter.send_pkt(payload, eof)








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        return self.ofdm_transmitter.send_pkt(payload, eof)







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    def bitrate(self):







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        return self._bitrate







......




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        """







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        Adds transmitter-specific options to the Options Parser







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        """







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        normal.add_option("", "--tx-amplitude", type="eng_float", default=12000, metavar="AMPL",








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        normal.add_option("", "--tx-amplitude", type="eng_float", default=1, metavar="AMPL",







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                          help="set transmitter digital amplitude: 0 <= AMPL < 32768 [default=%default]")







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        normal.add_option("-v", "--verbose", action="store_true", default=False)







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        expert.add_option("", "--log", action="store_true", default=False,











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