What

Native Elgato StreamDeck integration via HIDAPI. Button presses mapped to radio actions, rotary dials mapped to tuning/gain controls, and live radio status rendered on LCD key images.

Supported Devices

Features

Key images (live radio status)

• Frequency display, mode indicator, S-meter readout
• TX/RX state (red/green), band buttons
• SWR/power gauges, VFO A/B indicators
• Dark theme matching AetherSDR's UI

Button mapping

• 36+ keys mappable to radio actions (MOX, TUNE, band change, mode switch, etc.)
• Same action dispatch as FlexControl/MIDI (50+ parameters)
• Configurable profiles

Dial mapping

• VFO tuning, AF gain, RF power, squelch, RIT/XIT
• Same coalesce pattern as FlexControl (20ms batching)

Touchscreen strip

• Mini S-meter bar, power/SWR display, or spectrum preview

Architecture

• StreamDeckManager on ExtControllers thread (same as HidEncoderManager)
• Uses HIDAPI (already integrated via HAVE_HIDAPI)
• Key image rendering via QPainter → JPEG → HID write
• State change signals from RadioModel/SliceModel trigger image updates
• Configuration UI in Radio Setup → Serial tab

Prior Art

• HIDAPI integration already done (ICOM RC-28 remote encoder (USB VFO) #616)
• StreamDeck XL+ protocol verified and tested on hardware
• Driver code proven in ~/build/sc-python-elgato-streamdeck

Reference

• Protocol: same HID reports as python-elgato-streamdeck library
• Key images: 112×112 JPEG, 90° rotation for portrait LCD
• Touchscreen: 1200×100 JPEG with coordinate swap
• Brightness: feature report [0x03, 0x08, percent]