jopohl/urh

Add SoapySDR support

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#1,161 opened on May 6, 2025

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featurehelp wantedsdr

Description

My environment:

  • Debian 12 KDE Wayland
  • urh version: 2.9.8.
  • SDR: SDRPlay RSPdx with up-to-date API sdrplay_api_api_version=3.150000
Is your feature request related to a problem?

As urh currently does not support the SDRPlay v3 API (see #783), SoapySDR would be an alternative for interfacing with the device using an (almost) hardware-agnostic API.

Contributor guide

Tech stack
python
Domain
api
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
PythonSoapySDR APIURH codebase structure
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
25
Research direction
Start by examining existing SDR backend implementations in urh, e.g., the HackRF or SDRPlay backends, to understand the interface. Then explore the SoapySDR library (https://github.com/pothosware/SoapySDR) and its Python bindings to design a new backend module. Pay attention to device enumeration, stream configuration, and sample handling. No linked PRs or comments provide further guidance.