Qhpsdr

Next-Generation SDR application for Hermes, Anan, and Hermes-Lite 2 devices.

Overview

Qhpsdr is a modern, high-performance software-defined radio (SDR) application built with Qt6 and OpenGL. It is a major evolution of the deskHPSDR project, aimed at providing a fluid, intuitive, and modern user experience for radio amateurs.

Key Goals

• Qt6 Migration: Moving away from GTK to a modern, cross-platform UI framework.
• OpenGL Acceleration: Offloading spectrum and waterfall rendering to the GPU for ultra-smooth performance even at high sample rates.
• Intuitive UI: Redesigning the menu structure from the ground up to be more intuitive and user-friendly.
• Modular Core: Keeping the robust SDR-core (Metis protocol, WDSP) while wrapping it in clean C++ for better maintainability.

Repository Layout

• src/, include/ — the Qt6 application shell. Currently a minimal MainWindow skeleton; this is where the ported, GTK-free logic and Qt/OpenGL UI will live.
• core/deskhpsdr-src/ — a pristine, unmodified snapshot of the deskHPSDR C source tree (imported 2026-08-17). It still depends on GTK/GLib/cairo throughout and is not part of the CMake build. It exists as the reference/staging area we port from: files move out of here (or get rewritten) into src//core/ proper, one at a time, GTK-free and verified to compile, instead of in one large unverified pass.
• core/wdsp-2.00/ — the WDSP DSP engine. Framework-agnostic (no GTK/GLib), but has external build-time dependencies (libspecbleach, rnnoise, see deskHPSDR's update_libs.sh) that aren't wired up yet, so it's not part of the CMake build yet either.

Current Status

Restarted 2026-08-17 from a clean deskHPSDR baseline after an earlier partial GTK-cleanup attempt turned out to leave GTK/GLib/cairo code (and non-compiling headers) throughout core/. That attempt is preserved under the git tag archive/gtk-partial-cleanup for reference.

• Qt6 project skeleton (builds and runs, no core logic wired in yet).
• Pristine deskHPSDR source imported as a porting reference (core/deskhpsdr-src/).
• Port discovery/protocol/radio logic out of GTK, file by file, into the Qt build.
• Wire up WDSP (build external deps, link into CMake target).
• First basic hardware discovery in the Qt UI.

Build Requirements

• Qt 6.5+ (Widgets, OpenGLWidgets)
• CMake 3.16+

Additional requirements (FFTW3, libsamplerate, libspecbleach, rnnoise) will be reintroduced as WDSP and the protocol/audio layers get wired back into the build.

Development

This project was initiated as a fork of deskHPSDR by dl1bz.

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Note: This is an active work in progress. Expect frequent changes.