forked from sdr/gr-osmosdr
225 lines
5.3 KiB
Groff
225 lines
5.3 KiB
Groff
|
.TH osmocom_fft "1" "October 2013" "OSMOCOM" "User Commands"
|
|||
|
.SH NAME
|
|||
|
osmocom_fft \- Spectrum Browser
|
|||
|
.SH SYNOPSIS
|
|||
|
.B osmocom_fft
|
|||
|
[\fIoptions\fR]
|
|||
|
.SH DESCRIPTION
|
|||
|
Spectrum Browser
|
|||
|
.SH OPTIONS
|
|||
|
.TP
|
|||
|
\fB\-h\fR, \fB\-\-help\fR
|
|||
|
show this help message and exit
|
|||
|
.TP
|
|||
|
\fB\-a\fR ARGS, \fB\-\-args\fR=\fIARGS\fR
|
|||
|
Device args, [default=]
|
|||
|
.TP
|
|||
|
\fB\-A\fR ANTENNA, \fB\-\-antenna\fR=\fIANTENNA\fR
|
|||
|
Select RX antenna where appropriate
|
|||
|
.TP
|
|||
|
\fB\-s\fR SAMP_RATE, \fB\-\-samp\-rate\fR=\fISAMP_RATE\fR
|
|||
|
Set sample rate (bandwidth), minimum by default
|
|||
|
.TP
|
|||
|
\fB\-f\fR FREQ, \fB\-\-center\-freq\fR=\fIFREQ\fR
|
|||
|
Set frequency to FREQ
|
|||
|
.TP
|
|||
|
\fB\-c\fR FREQ_CORR, \fB\-\-freq\-corr\fR=\fIFREQ_CORR\fR
|
|||
|
Set frequency correction (ppm)
|
|||
|
.TP
|
|||
|
\fB\-g\fR GAIN, \fB\-\-gain\fR=\fIGAIN\fR
|
|||
|
Set gain in dB (default is midpoint)
|
|||
|
.TP
|
|||
|
\fB\-W\fR, \fB\-\-waterfall\fR
|
|||
|
Enable waterfall display
|
|||
|
.TP
|
|||
|
\fB\-S\fR, \fB\-\-oscilloscope\fR
|
|||
|
Enable oscilloscope display
|
|||
|
.TP
|
|||
|
\fB\-\-avg\-alpha\fR=\fIAVG_ALPHA\fR
|
|||
|
Set fftsink averaging factor, default=[0.1]
|
|||
|
.TP
|
|||
|
\fB\-\-averaging\fR
|
|||
|
Enable fftsink averaging, default=[False]
|
|||
|
.TP
|
|||
|
\fB\-\-ref\-scale\fR=\fIREF_SCALE\fR
|
|||
|
Set dBFS=0dB input value, default=[1.0]
|
|||
|
.TP
|
|||
|
\fB\-\-fft\-size\fR=\fIFFT_SIZE\fR
|
|||
|
Set number of FFT bins [default=1024]
|
|||
|
.TP
|
|||
|
\fB\-\-fft\-rate\fR=\fIFFT_RATE\fR
|
|||
|
Set FFT update rate, [default=30]
|
|||
|
.TP
|
|||
|
\fB\-v\fR, \fB\-\-verbose\fR
|
|||
|
Use verbose console output [default=False]
|
|||
|
.SH "SEE ALSO"
|
|||
|
The full documentation for
|
|||
|
.B linux;
|
|||
|
is maintained as a Texinfo manual. If the
|
|||
|
.B info
|
|||
|
and
|
|||
|
.B linux;
|
|||
|
programs are properly installed at your site, the command
|
|||
|
.IP
|
|||
|
.B info linux;
|
|||
|
.PP
|
|||
|
should give you access to the complete manual.
|
|||
|
.SH Device specification
|
|||
|
You can specify the source or sink device using a comma separated string of argument=value pairs. The always-up-to-date block documentation with examples is available right here.
|
|||
|
.SH FCD Source
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
fcd=<device-index>
|
|||
|
0-based device identifier, optional
|
|||
|
.TP
|
|||
|
device=hw:2
|
|||
|
overrides the audio device
|
|||
|
.TP
|
|||
|
type=2
|
|||
|
selects the dongle type, 1 for Classic, 2 for Pro+
|
|||
|
.LP
|
|||
|
The "device" argument overrides the audio device used by the underlying driver to access the dongle's IQ sample stream.
|
|||
|
.LP
|
|||
|
The "type" argument selects the dongle type, 1 for Classic, 2 for Pro+.
|
|||
|
.SH OsmoSDR Source
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
osmosdr=<device-index>
|
|||
|
0-based device identifier
|
|||
|
.TP
|
|||
|
buffers=<number-of-buffers>
|
|||
|
Default is 32
|
|||
|
.TP
|
|||
|
buflen=<length-of-buffer>
|
|||
|
Default is 256kB, must be multiple of 512
|
|||
|
.SH RTL-SDR Source
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
rtl=<device-index>
|
|||
|
0-based device identifier OR serial number
|
|||
|
.TP
|
|||
|
rtl_xtal=<frequency>
|
|||
|
Frequency (Hz) used for the RTL chip, accepts eng notation
|
|||
|
.TP
|
|||
|
tuner_xtal=<frequency>
|
|||
|
Frequency (Hz) used for the tuner chip, accepts eng notation
|
|||
|
.TP
|
|||
|
buffers=<number-of-buffers>
|
|||
|
Default is 32
|
|||
|
.TP
|
|||
|
buflen=<length-of-buffer>
|
|||
|
Default is 256kB, must be multiple of 512
|
|||
|
.TP
|
|||
|
direct_samp=0|1|2
|
|||
|
Enable direct sampling mode on the RTL chip. 0: Disable, 1: use I channel, 2: use Q channel
|
|||
|
.TP
|
|||
|
offset_tune=0|1
|
|||
|
Enable offset tune mode for E4000 tuners
|
|||
|
.LP
|
|||
|
NOTE: use rtl_eeprom -s to program your own serial number to the device
|
|||
|
.LP
|
|||
|
NOTE: if you don't specify rtl_xtal/tuner_xtal, the underlying driver will use 28.0MHz
|
|||
|
.SH RTL-SDR TCP Source
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
rtl_tcp=<hostname>:<port>
|
|||
|
hostname defaults to "localhost", port to "1234"
|
|||
|
.TP
|
|||
|
psize=<payload-size>
|
|||
|
Default is 16384 bytes
|
|||
|
.TP
|
|||
|
direct_samp=0|1|2
|
|||
|
Enable direct sampling mode on the RTL chip 0=Off, 1=I-ADC input enabled, 2=Q-ADC input enabled
|
|||
|
.TP
|
|||
|
offset_tune=0|1
|
|||
|
Enable offset tune mode for E4000 tuners
|
|||
|
.SH Miri Source
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
miri=<device-index>
|
|||
|
0-based device identifier
|
|||
|
.TP
|
|||
|
buffers=<number-of-buffers>
|
|||
|
Default is 32
|
|||
|
.SH UHD Source / Sink
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
uhd
|
|||
|
Use this argument without a value
|
|||
|
.TP
|
|||
|
nchan=<channel-count>
|
|||
|
For multichannel USRP configurations use the subdev parameter to specify stream mapping
|
|||
|
.TP
|
|||
|
subdev=<subdev-spec>
|
|||
|
Examples: "A:0", "B:0", "A:0 B:0" when nchan=2. Refer original ettus documentation on this
|
|||
|
.TP
|
|||
|
lo_offset=<frequency>
|
|||
|
Offset frequency in Hz, must be within daughterboard bandwidth. Accepts eng notation
|
|||
|
.LP
|
|||
|
Additional argument/value pairs will be passed to the underlying driver, for more information see specifying the subdevice and common device identifiers in the Ettus documentation.
|
|||
|
.SH bladeRF Source / Sink
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
bladerf[=0]
|
|||
|
0-based device identifier (optional)
|
|||
|
.TP
|
|||
|
fw='/path/to/the/firmware.img'
|
|||
|
program MCU firmware from given file. usually not needed. power cycle required.
|
|||
|
.TP
|
|||
|
fpga='/path/to/the/bitstream.rbf'
|
|||
|
load FPGA bitstream from given file. required only at first run at the moment.
|
|||
|
.SH HackRF Source / Sink
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
hackrf
|
|||
|
Use this argument without a value
|
|||
|
.TP
|
|||
|
buffers=<number-of-buffers>
|
|||
|
Default is 32
|
|||
|
.LP
|
|||
|
Only the first device found may be used at the moment because of libhackrf limitation.
|
|||
|
.LP
|
|||
|
Transmit support has been verified by using the crc-mmbTools DAB sdr transmitter.
|
|||
|
.SH IQ File Source
|
|||
|
.TP
|
|||
|
Argument
|
|||
|
Notes
|
|||
|
.TP
|
|||
|
file=<path-to-file-name>
|
|||
|
.TP
|
|||
|
freq=<frequency>
|
|||
|
Center frequency in Hz, accepts eng notation
|
|||
|
.TP
|
|||
|
rate=<sampling-rate>
|
|||
|
Mandatory, in samples/s, accepts eng notation
|
|||
|
.TP
|
|||
|
repeat=true|false
|
|||
|
Default is true
|
|||
|
.TP
|
|||
|
throttle=true|false
|
|||
|
Throttle flow of samples, default is true
|
|||
|
.SH EXAMPLES
|
|||
|
.LP
|
|||
|
osmocom_fft -a rtl=0 -v -f 100e6 -s 2.4e6 -g 15
|
|||
|
.LP
|
|||
|
osmocom_fft -a hackrf -v
|
|||
|
.LP
|
|||
|
osmocom_fft -a uhd -v
|
|||
|
.SH "SEE ALSO"
|
|||
|
osmocom_siggen(1) osmocom_siggen_nogui(1) osmocom_spectrum_sense(1)
|