$ python cserver.py --help
usage: cserver.py [options]

options:
  -h, --help            show this help message and exit
  -v, --verbose         Verbose output
  -D, --debug           Debug mode, some exceptions cause traceback and exit
  -pPORT, --port=PORT   port number [default=8000]
  -RRX_SUBDEV_SPEC, --rx-subdev-spec=RX_SUBDEV_SPEC
                        select USRP Rx side A or B (default=first one
                        with a daughterboard)
  -dDECIM, --decim=DECIM
                        set fgpa decimation rate to DECIM
                        [default=%default]
  -fFREQ, --freq=FREQ   set frequency to FREQ
  -gGAIN, --gain=GAIN   set RxPGA gain in dB, 0..20 dB (default is midpoint)
  -GTXGAIN, --txgain=TXGAIN
                        set TxPGA gain, 0..255 is -20..0 dB
                        [default=%default]
  -8, --width-8         Enable 8-bit samples across USB
  -S, --oscilloscope    Enable oscilloscope display
  -T, --fft             Enable FFT display
  -W, --waterfall       Enable waterfall display
  -FFILENAME, --filename=FILENAME
                        Name of file with filter coeffs, sos format
  -PPFILENAME, --pfilename=PFILENAME
                        Name of file with filter coeffs, params.h format
  -QFRAC_BITS, --frac_bits=FRAC_BITS
                        fraction bits in data path [default=22]
  -qCOEFF_FRAC_BITS, --coeff_frac_bits=COEFF_FRAC_BITS
                        fraction bits in filter coeffs [default=22]
  -CCFILENAME, --cfilename=CFILENAME
                        Name of file with compensator coefficients
  -BBITSTREAM, --bitstream=BITSTREAM
                        Name of FPGA Bitstream file (.rbf)
  -nFRAME_DECIM, --frame-decim=FRAME_DECIM
                        set oscope frame decimation factor to n
                        [default=20]