SegDSP - Future of RF Monitoring (WIP)

Docker Images

All master branch builds is uploaded to dockerhub with the name racerxdl/segdsp. The following archs are available:

x86 - racerxdl/segdsp:latest - For any x86 machine
amd64 - racerxdl/segdsp:amd64-latest - For 64 bit x86 machines
arm32v6 - racerxdl/segdsp:arm32v6-latest - For 32 bit raspberry pies and equivalents
arm64v8 - racerxdl/segdsp:arm64v8-latest - For 64 bit raspberry pies and equivalents

Binary Release

Please check the Releases for binary releases.

Nice Sample using SegDSP as a Library

Here is a nice sample using segdsp as a library: https://github.com/racerxdl/segdsp-sample

Running

SegDSP is pretty straightforward to run if you know what you want to capture. It accepts both Environment Variables (suitable for docker containers) or just normal command line arguments.

Examples

WBFM Demodulator

# Argument Mode
segdsp -channelFrequency 106300000 -demodMode FM -fmDeviation 75000 -filterBandwidth 120000 -fftFrequency 106300000 -decimationStage 3 -stationName PU2NVX

# Environment Mode
CENTER_FREQUENCY="106300000" DEMOD_MODE="FM" FM_DEVIATION="75000" FFT_FREQUENCY="106300000" FS_BANDWIDTH="120000" DECIMATION_STAGE="3" STATION_NAME="PU2NVX" segdsp

NBFM Demodulator

# Argument Mode
segdsp -channelFrequency 145570000 -demodMode FM -fmDeviation 5000 -filterBandwidth 15000 -fftFrequency 145570000 -decimationStage 5 -stationName PU2NVX

# Environment Mode
CENTER_FREQUENCY="145570000" DEMOD_MODE="FM" FM_DEVIATION="5000" FS_BANDWIDTH="15000" FFT_FREQUENCY="145570000" DECIMATION_STAGE="5" STATION_NAME="PU2NVX" segdsp

Arguments

Argument	Environment variable	Type	Possible Values	Description	Default Value
`-channelFrequency`	`CENTER_FREQUENCY`	number		Channel (IQ) Center Frequency in Hz	106300000
`-cpuprofile`		string		Write cpu profile to specified file
`-decimationStage`	`DECIMATION_STAGE`	number		Channel (IQ) Decimation Stage (The actual decimation will be 2^d)	3
`-demodMode`	`DEMOD_MODE`	string	`FM`, `AM`	Demodulator Mode: [FM]	FM
`-displayPixels`	`DISPLAY_PIXELS`	number		Width in pixels of the FFT	512
`-fftDecimationStage`	`FFT_DECIMATION_STAGE`	number		FFT Decimation Stage (The actual decimation will be 2^d)	0
`-fftFrequency`	`FFT_FREQUENCY`	number		FFT Center Frequency in Hz	106300000
`-filterBandwidth`	`FS_BANDWIDTH`	number		First Stage Filter Bandwidth in Hert	120000
`-squelch`	`SQUELCH`	number		Demodulator Squelch in dB	-72
`-squelchAlpha`	`SQUELCH_ALPHA`	number		Demodulator Squelch Filter Alpha	0.001
`-fmDeviation`	`FM_DEVIATION`	number		FM Demodulator Max Deviation in Hertz	75000
`-fmTau`	`FM_TAU`	number		FM Demodulator Tau in seconds (0 to disable)	0.0000075
`-amAudioCut`	`AM_AUDIO_CUT`	number		AM Demodulator Audio Low Pass Cut	5000
`-httpAddr`	`HTTP_ADDRESS`	string		HTTP Service Address	localhost:8080
`-outputRate`	`OUTPUT_RATE`	number		Output Rate in Hz	48000
`-record`	`RECORD`	bool	`true`, `false`	If it should record output when not squelched	false
`-recordMethod`	`RECORD_METHOD`	string	`file`	Method to use when recording	file
`-radioserver`	`RADIOSERVER`	string		radioserver Address	localhost:5555
`-stationName`	`STATION_NAME`	string		Name of the Station	SegDSP

Git Hooks

pre-commit

Inside the project repository create the following file:

touch .git/hooks/pre-commit

And paste this code inside it:

#!/bin/bash

echo "Formatting code"
go fmt ./...
exit 0

And give execute permission:

chmod +x .git/hooks/pre-commit

racerxdl / segdsp Goto Github PK

segdsp's Introduction

SegDSP - Future of RF Monitoring (WIP)

Docker Images

Binary Release

Nice Sample using SegDSP as a Library

Running

Examples

WBFM Demodulator

NBFM Demodulator

Arguments

Git Hooks

pre-commit

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