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ss-new-driver

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Scaffold a new Serial Studio I/O driver (a new data source under app/src/IO/Drivers/). Use when adding support for a new bus/transport — e.g. "add a <X> driver", "support reading from <Y>", "new data source". Encodes the canonical driver pattern and every registration touch-point so the new driver actually shows up in the UI, CLI, and connection manager.

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Source SKILL.md: https://github.com/Serial-Studio/Serial-Studio/blob/HEAD/.claude/skills/ss-new-driver/SKILL.md

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Serial Studio — new I/O driver

Before writing anything, read app/src/IO/Drivers/BluetoothLE.h and BluetoothLE.cpp in full. They are the canonical reference for the driver contract — match their structure, signal/slot wiring, and driverProperties() shape rather than inventing a new layout. After the read, restate the driver contract in chat in 2-3 sentences (pure virtuals, publish path, timestamp-at-boundary) before scaffolding — a contract you've just named is one the new code follows, not one it drifts from (doc/claude/j-space.md).

A driver subclasses IO::HAL_Driver (app/src/IO/HAL_Driver.h) and must implement the pure virtuals: close, isOpen, isReadable, isWritable, configurationOk, write, open, driverProperties, and setDriverProperty. Also consider the non-pure virtuals with default bodies — deviceIdentifier(), selectByIdentifier(), applyConnectionSettings() — which drive device selection and reconnection. Received bytes are published via publishReceivedData(...) — stamp the timestamp at the driver boundary (source owns time; see [ss-hotpath]). Never re-stamp downstream.

Touch-points to wire (verify each against an existing driver)

  1. app/src/IO/Drivers/<Name>.h / .cpp — the driver class, SPDX header, .h ordering rules.
  2. app/src/SerialStudio.h — add the value to the BusType enum (QML uses SerialStudio.BusType.*, never integer literals).
  3. app/src/IO/ConnectionManager.{h,cpp} — accessor (e.g. network() / uart() analogue), a UI-driver member pointer, and three BusType switches: activeUiDriver(), uiDriverForBusType(), and createDriver() — plus signal forwarding. Update all three.
  4. app/CMakeLists.txt — add src/IO/Drivers/<Name>.cpp to the SOURCES list (sources are listed explicitly, not globbed; commercial drivers go in the guarded set(SOURCES ${SOURCES} ...) block).
  5. QML configuration UI — the driver panes are bespoke forms (nothing renders driverProperties() generically): create app/qml/MainWindow/Panes/SetupPanes/Drivers/<Name>.qml, add its Loader to the StackLayout in SetupPanes/Hardware.qml at the bus's enum position (the layout indexes by Cpp_IO_Manager.busType), and register the new .qml in the QML_SOURCES list in app/CMakeLists.txt.
  6. app/src/API/EnumLabels.cpp — add the bus to the busTypeSlug() and busTypeLabel() switches (the API's string names for the bus; commercial buses go inside the #ifdef BUILD_COMMERCIAL block).
  7. app/src/DataModel/Project/ProjectEditorShared.h — add the bus to the busTypeIcon() switch, and app/src/DataModel/Project/ProjectEditorForms.cpp — add it to the busTypes combobox list in the source form model (the old ProjectEditor.cpp was split; these live in the per-concern TUs now).
  8. Icon — add the driver SVG under app/rcc/icons/devices/drivers/ and register it with a <file> entry in app/rcc/rcc.qrc (busTypeIcon() returns its qrc:/ path).
  9. CLI (optional) — if it should be launchable headless, add options in app/src/Misc/CLI.{h,cpp} following the existing setupUartConnection / setupTcpConnection pattern.
  10. tests/utils/api_client.py (optional) — add the bus to bus_map if integration tests should reach it via io.setBusType (known drift: mqtt is missing from it today).

The list above drifts as the app grows. Before declaring done, grep a recently added bus value (e.g. grep -rn "BusType::HidDevice" app/src) and mirror every switch/list it appears in.

Rules

  • This is a multi-file change (>3 files): state the plan and get confirmation before executing.
  • Follow doc/claude/code-style.md (header ordering, [[nodiscard]], no in-header member init, Q_EMIT not emit, Christmas-tree ordering).
  • Run python scripts/code-verify.py --check on the new files before handoff.
  • Do not build or run the app — leave compilation and runtime testing to the developer.