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50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
#!/usr/bin/env python
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#
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# Copyright 2015 Ettus Research LLC
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#
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# This program 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 of the License, or
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# (at your option) any later version.
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#
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# This program 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 program. If not, see <http://www.gnu.org/licenses/>.
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#
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""" Run uhd_find_devices and parse the output. """
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import re
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import subprocess
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def get_usrp_list(device_filter=None):
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""" Returns a list of dicts that contain USRP info """
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try:
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if device_filter is not None:
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output = subprocess.check_output(['uhd_find_devices', '--args', device_filter])
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else:
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output = subprocess.check_output('uhd_find_devices')
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except subprocess.CalledProcessError:
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return []
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split_re = "\n*-+\n-- .*\n-+\n"
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uhd_strings = re.split(split_re, output)
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result = []
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for uhd_string in uhd_strings:
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if not re.match("Device Address", uhd_string):
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continue
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this_result = {k: v for k, v in re.findall(" ([a-z]+): (.*)", uhd_string)}
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args_string = ""
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try:
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args_string = "type={},serial={}".format(this_result['type'], this_result['serial'])
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except KeyError:
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continue
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this_result['args'] = args_string
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result.append(this_result)
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return result
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if __name__ == "__main__":
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print get_usrp_list()
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print get_usrp_list('type=x300')
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