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center frequency each time we allocate a new DDC/channel. Adds support for broadcasting channel count change source events so that the tuner can accurately convey sourced channel counts via tuner events. Completes changeover of polyphase channel manager to support arbitrary bandwidth channels. The new approach provides greater compatibility across any tuner sample rates. Likewise, all decoders will have to be updated to adapt to any channel sample rate, although channel bandwidths will be at least 12.5 kHz and likely no more than 25.0 kHz, with a 2x oversampling that produces channel sample rates in range 25.0 - 50.0 kHz.
sdrtrunk
A cross-platform java application for decoding, monitoring, recording and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR).
Figure 1: sdrtrunk Version 0.3.0 Application Screenshot
Instructions:
Build the project
Project uses gradle as build system. You can build it with locally installed gradle or if you do not have/want install gradle you can use preconfigured linux/windows wrapper.
Build with locally installed gradle 4.3.1
gradle clean buildSdr
Build with preconfigured wrapper for linux/windows
Linux
./gradlew clean buildSdr
Windows
gradle.bat clean buildSdr
This would add gradle, download all project dependencies and build JAR
Development
All dependencies/versions are controlled from build.gradle. To change the new release version tag of artifact - change property:
version = '0.3.2'
Run SDRTrunk
SDRTrunk is packed into single uber-jar file. There is need to have folders with dependecies and adding them with classpath. Just run with java.
Use Java8
java -jar build/libs/sdr-trunk-all-0.3.2.jar
TODO ITEMS
- Move project to gradle build
- Changed folders structure, based on java project
- Dependencies are moved to gradle and versions are updated
- Create uberJAR with all dependencies
- Some dependencies left in imports folder. Find them and include into gradle
- Move images into resources of project
- Add tests to project. This would guarantee that after refactoring part of functionality is not broken
- Create modular OOP system (radio-module, gui, web-ui, etc). This would allow to use RADIO modules to call from CLI, GUI or Web UI. And use SDRTrunk as dependency for other projects.