76 lines
2.3 KiB
Python
Executable File
76 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2017 Alexander Fasching
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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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from __future__ import print_function, division
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import sys
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import argparse
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import socket
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import time
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('-g', '--gqrx-port', type=int, default=7356,
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metavar='P', help='remote control port configured in Gqrx')
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parser.add_argument('-r', '--rigctld-port', type=int, default=4532,
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metavar='P', help='listening port of rigctld')
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parser.add_argument('-i', '--interval', type=int, default=1000,
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metavar='T', help='update interval in milliseconds')
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parser.add_argument('-f', '--ifreq', type=float, default=68.33,
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metavar='F', help='intermediate frequency in MHz')
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args = parser.parse_args()
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try:
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rs = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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rs.connect(('127.0.0.1', args.rigctld_port))
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except Exception as e:
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print('Connection to rigctld failed:', e, file=sys.stderr)
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return 1
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try:
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gs = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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gs.connect(('127.0.0.1', args.gqrx_port))
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except Exception as e:
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print('Connection to Gqrx failed:', e, file=sys.stderr)
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return 1
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try:
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while True:
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rs.send(b'f\n')
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rigfreq = int(rs.recv(1024))
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lnbfreq = rigfreq - int(args.ifreq * 1e6)
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gs.send('LNB_LO {}'.format(lnbfreq).encode())
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gs.recv(1024)
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time.sleep(args.interval / 1000.0)
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except KeyboardInterrupt:
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pass
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except Exception as e:
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print('Unexpected error:', e, file=sys.stderr)
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return 1
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rs.close()
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gs.close()
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if __name__ == '__main__':
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sys.exit(main() or 0)
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