def __init__(self, options):
gr.top_block.__init__(self)
self._fft_length = 64
self._cp_length = 16
self._symbol_length = self._fft_length + self._cp_length
N_sym = 25
ofdm_preamble = [list(fft_preamble)]
# print len(fft_preamble)
gap = [list(gap_sample)]
win = []
inchr = (
chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
)
inchr = (
inchr
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
+ chr(0x00)
)
inchr = inchr + chr(0x00) + chr(0x00) + chr(0x00) + chr(0x00) + chr(0x00)
a = map(ord, chr(0))
self.source = gr.file_source(gr.sizeof_gr_complex * self._symbol_length, options.from_file)
self.vector_source = gr.vector_source_b(a, False, 1)
self.preamble = gr_ieee802_11.ofdm_preamble_insert(self._symbol_length, N_sym, ofdm_preamble)
self.zerogap = gr_ieee802_11.ofdm_zerogap_insert(self._symbol_length, N_sym, gap)
self.sink = gr.file_sink(gr.sizeof_gr_complex * self._symbol_length, options.to_file)
self.connect(self.source, (self.preamble, 0))
self.connect(self.vector_source, (self.preamble, 1))
self.connect((self.preamble, 1), (self.zerogap, 1))
self.connect(self.preamble, self.zerogap, self.sink)
# self.connect(self.ifft, gr.file_sink(gr.sizeof_gr_complex * self._fft_length, "ofdm_ifft_test.dat"))
self.connect(
self.preamble, gr.file_sink(gr.sizeof_gr_complex * self._symbol_length, "ofdm_preamble_test_3.6.4.dat")
)
def insert_zerogap(length, N_sym): gap = [list(gap_sample)] ftw_zerogap = gr_ieee802_11.ofdm_zerogap_insert(length, N_sym, gap) return ftw_zerogap
