mirror of
https://github.com/saymrwulf/uhd.git
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1bba62a75a
This changes two things in all applicable files: - Remove imports from __future__ - Change default shebangs from /usr/bin/env python to /usr/bin/env python3
58 lines
2 KiB
Python
Executable file
58 lines
2 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Copyright 2017-2018 Ettus Research, a National Instruments Company
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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#
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"""
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Generate and TX samples using a set of waveforms, and waveform characteristics
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"""
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import argparse
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import numpy as np
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import uhd
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waveforms = {
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"sine": lambda n, tone_offset, rate: np.exp(n * 2j * np.pi * tone_offset / rate),
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"square": lambda n, tone_offset, rate: np.sign(waveforms["sine"](n, tone_offset, rate)),
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"const": lambda n, tone_offset, rate: 1 + 1j,
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"ramp": lambda n, tone_offset, rate:
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2*(n*(tone_offset/rate) - np.floor(float(0.5 + n*(tone_offset/rate))))
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}
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def parse_args():
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"""Parse the command line arguments"""
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parser = argparse.ArgumentParser()
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parser.add_argument("-a", "--args", default="", type=str)
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parser.add_argument(
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"-w", "--waveform", default="sine", choices=waveforms.keys(), type=str)
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parser.add_argument("-f", "--freq", type=float, required=True)
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parser.add_argument("-r", "--rate", default=1e6, type=float)
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parser.add_argument("-d", "--duration", default=5.0, type=float)
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parser.add_argument("-c", "--channels", default=0, nargs="+", type=int)
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parser.add_argument("-g", "--gain", type=int, default=10)
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parser.add_argument("--wave-freq", default=1e4, type=float)
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parser.add_argument("--wave-ampl", default=0.3, type=float)
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return parser.parse_args()
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def main():
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"""TX samples based on input arguments"""
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args = parse_args()
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usrp = uhd.usrp.MultiUSRP(args.args)
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if not isinstance(args.channels, list):
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args.channels = [args.channels]
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data = np.array(
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list(map(lambda n: args.wave_ampl * waveforms[args.waveform](n, args.wave_freq, args.rate),
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np.arange(
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int(10 * np.floor(args.rate / args.wave_freq)),
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dtype=np.complex64))),
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dtype=np.complex64) # One period
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usrp.send_waveform(data, args.duration, args.freq, args.rate,
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args.channels, args.gain)
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if __name__ == "__main__":
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main()
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