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grgsm_channelize: Add ichar data type 

This is the output format of rtl_sdr and hackrf_transfer and this would
allow direct channelization without an additional post processing.

Change-Id: Ia489eca9ec7defc3a83946c42f1ae3f136efe4e8
This commit is contained in:
Vasil Velichkov 2018-09-12 12:28:54 +03:00 committed by Piotr Krysik
parent 0f3bceb13d
commit fa2f784f4f
1 changed files with 5 additions and 1 deletions
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6
apps/helpers/grgsm_channelize
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@ -79,6 +79,10 @@ class grgsm_channelize(gr.top_block):
self.blocks_file_source = blocks.file_source(gr.sizeof_short, input_file, False)
self.source = blocks.interleaved_short_to_complex(False, False)
self.connect((self.blocks_file_source, 0), (self.source, 0))
elif data_type == "ichar":
self.blocks_file_source = blocks.file_source(gr.sizeof_char, input_file, False)
self.source = blocks.interleaved_char_to_complex(False)
self.connect((self.blocks_file_source, 0), (self.source, 0))
elif data_type == "complex":
self.source = blocks.file_source(gr.sizeof_gr_complex, input_file, False)
@ -114,7 +118,7 @@ if __name__ == '__main__':
help="Sample rate of the output capture files [default=%(default)s]")
parser.add_argument("-i", "--input_file", dest="input_file", type=str, required=True,
help="Path to wideband GSM capture file")
parser.add_argument("-t", "--data_type", dest="data_type", type=str, choices=["complex","ishort"], default="complex",
parser.add_argument("-t", "--data_type", dest="data_type", type=str, choices=["complex","ishort","ichar"], default="complex",
help="Type of the input file [default=%(default)s]")
parser.add_argument("-d", "--dest_dir", dest="dest_dir", type=str,
help="Destination directory - if not given defaults to input file name without extension")