diff options
Diffstat (limited to 'gr-digital/examples/narrowband/digital_bert_tx.py')
| -rw-r--r-- | gr-digital/examples/narrowband/digital_bert_tx.py | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/gr-digital/examples/narrowband/digital_bert_tx.py b/gr-digital/examples/narrowband/digital_bert_tx.py index fe8ad0671f..d609534271 100644 --- a/gr-digital/examples/narrowband/digital_bert_tx.py +++ b/gr-digital/examples/narrowband/digital_bert_tx.py @@ -21,25 +21,30 @@ from uhd_interface import uhd_transmitter n2s = eng_notation.num_to_str + class bert_transmit(gr.hier_block2): def __init__(self, constellation, samples_per_symbol, differential, excess_bw, gray_coded, verbose, log): gr.hier_block2.__init__(self, "bert_transmit", - gr.io_signature(0, 0, 0), # Output signature - gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Input signature + # Output signature + gr.io_signature(0, 0, 0), + gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Input signature # Create BERT data bit stream - self._bits = blocks.vector_source_b([1,], True) # Infinite stream of ones - self._scrambler = digital.scrambler_bb(0x8A, 0x7F, 7) # CCSDS 7-bit scrambler + self._bits = blocks.vector_source_b( + [1, ], True) # Infinite stream of ones + self._scrambler = digital.scrambler_bb( + 0x8A, 0x7F, 7) # CCSDS 7-bit scrambler self._mod = digital.generic_mod(constellation, differential, samples_per_symbol, gray_coded, excess_bw, verbose, log) - self._pack = blocks.unpacked_to_packed_bb(self._mod.bits_per_symbol(), gr.GR_MSB_FIRST) + self._pack = blocks.unpacked_to_packed_bb( + self._mod.bits_per_symbol(), gr.GR_MSB_FIRST) self.connect(self._bits, self._scrambler, self._pack, self._mod, self) @@ -66,11 +71,11 @@ class tx_psk_block(gr.top_block): options.samples_per_symbol = self._sink._sps elif(options.to_file is not None): - self._sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file) + self._sink = blocks.file_sink( + gr.sizeof_gr_complex, options.to_file) else: self._sink = blocks.null_sink(gr.sizeof_gr_complex) - self._transmitter = bert_transmit(self._modulator._constellation, options.samples_per_symbol, options.differential, @@ -95,10 +100,11 @@ def get_options(mods): help="Select modulation bit rate (default=%default)") parser.add_option("-S", "--samples-per-symbol", type="float", default=2, help="set samples/symbol [default=%default]") - parser.add_option("","--to-file", default=None, + parser.add_option("", "--to-file", default=None, help="Output file for modulated samples") if not parser.has_option("--verbose"): - parser.add_option("-v", "--verbose", action="store_true", default=False) + parser.add_option("-v", "--verbose", + action="store_true", default=False) if not parser.has_option("--log"): parser.add_option("", "--log", action="store_true", default=False) @@ -114,8 +120,9 @@ def get_options(mods): return (options, args) + if __name__ == "__main__": - print ("""Warning: this example in its current shape is deprecated and + print("""Warning: this example in its current shape is deprecated and will be removed or fundamentally reworked in a coming GNU Radio release.""") mods = digital.modulation_utils.type_1_mods() |