Migrate ES3C35P to latest main firmware

- Add server support to `http-module`
- Ensure `DevelopmentService` works on all platforms (including posix)
- Ensure the built-in web server with dashboard works on all platforms (inluding posix). It still has some issues with certain featuers, but the basics work.

.claude/rules/CLAUDE.md

@@ -0,0 +1,65 @@
+# CLAUDE.md
+
+Behavioral guidelines to reduce common LLM coding mistakes. Merge with project-specific instructions as needed.
+
+**Tradeoff:** These guidelines bias toward caution over speed. For trivial tasks, use judgment.
+
+## 1. Think Before Coding
+
+**Don't assume. Don't hide confusion. Surface tradeoffs.**
+
+Before implementing:
+- State your assumptions explicitly. If uncertain, ask.
+- If multiple interpretations exist, present them - don't pick silently.
+- If a simpler approach exists, say so. Push back when warranted.
+- If something is unclear, stop. Name what's confusing. Ask.
+
+## 2. Simplicity First
+
+**Minimum code that solves the problem. Nothing speculative.**
+
+- No features beyond what was asked.
+- No abstractions for single-use code.
+- No "flexibility" or "configurability" that wasn't requested.
+- No error handling for impossible scenarios.
+- If you write 200 lines and it could be 50, rewrite it.
+
+Ask yourself: "Would a senior engineer say this is overcomplicated?" If yes, simplify.
+
+## 3. Surgical Changes
+
+**Touch only what you must. Clean up only your own mess.**
+
+When editing existing code:
+- Don't "improve" adjacent code, comments, or formatting.
+- Don't refactor things that aren't broken.
+- Match existing style, even if you'd do it differently.
+- If you notice unrelated dead code, mention it - don't delete it.
+
+When your changes create orphans:
+- Remove imports/variables/functions that YOUR changes made unused.
+- Don't remove pre-existing dead code unless asked.
+
+The test: Every changed line should trace directly to the user's request.
+
+## 4. Goal-Driven Execution
+
+**Define success criteria. Loop until verified.**
+
+Transform tasks into verifiable goals:
+- "Add validation" → "Write tests for invalid inputs, then make them pass"
+- "Fix the bug" → "Write a test that reproduces it, then make it pass"
+- "Refactor X" → "Ensure tests pass before and after"
+
+For multi-step tasks, state a brief plan:
+```
+1. [Step] → verify: [check]
+2. [Step] → verify: [check]
+3. [Step] → verify: [check]
+```
+
+Strong success criteria let you loop independently. Weak criteria ("make it work") require constant clarification.
+
+---
+
+**These guidelines are working if:** fewer unnecessary changes in diffs, fewer rewrites due to overcomplication, and clarifying questions come before implementation rather than after mistakes.

.claude/rules/app-framework.md

@@ -0,0 +1,18 @@
+# Architecture: App Framework
+
+Apps are event-driven, C API (`app-module`, `<app/*.h>`), not a C++ class. Each app has an `AppManifest` (`id`, `name`, `category`, `location`, `flags`) and a `main(argc, argv)` entry point (`AppMainFn`), modelled on a C program's `main()`. Every app instance gets its own dedicated task for its whole lifetime, and blocks in that task until it returns. Use `app_scheduler_current_app_id()` (`app/scheduler.h`) to identify the running instance - it's not passed as a parameter.
+
+Lifecycle and inter-app communication go through `app_manager_*()` (`app/manager.h`) and `app_event_*()` (`app/event.h`):
+- `app_manager_start()`/`app_manager_start_with_parameters()` launch a plain instance; `app_manager_start_for_result()` launches a modal child that reports back to a parent instance.
+- An app subscribes with `app_event_subscribe()` (registers for its own instance's events, no id argument needed), blocks via `task_event_group_wait()`/`task_event_group_wait_any()`, and drains with `app_event_poll()`, reacting to `APP_EVENT_CLOSE` (terminate now) and `APP_EVENT_RESULT` (a child it started reported back).
+- An app closes itself by calling `app_manager_finish()` right before returning from `main()`; another instance is closed via `app_manager_stop()`.
+
+Apps are registered at startup via `app_manager_add()`. External apps can be loaded from SD card via `manifest.properties` files, or side-loaded as ELF binaries on ESP32 (see `app/loader.h`'s `AppLoaderApi`).
+
+Apps can be loaded from:
+
+- memory (`APP_LOCATION_MEMORY`)
+- a path pointing to an install folder where an `.app` file was installed (`APP_LOCATION_PATH`)
+- a path pointing to an `.elf` file (`APP_LOCATION_PATH`)
+
+An app can build an optional UI via the LVGL window-manager module (see `lvgl.md`).

.claude/rules/architecture-device-model.md

@@ -0,0 +1,10 @@
+# Architecture: Device/Driver/Module System (kernel layer, C API)
+
+The kernel uses a Linux-inspired device model:
+
+- **Module** (`struct Module`): loadable unit that registers drivers, hardware and symbols. Lifecycle: `module_construct` → `module_add` → `module_start`. Each device board and platform is a module.
+- **Driver** (`struct Driver`): binds to devices via `compatible` strings (like devicetree). Has `start_device`/`stop_device` callbacks and an `api` pointer for type-specific operations.
+- **Device** (`struct Device`): represents hardware. Lifecycle: `device_construct` → `device_add` → `device_start`. Has a parent-child tree, driver binding, and locking.
+- **DeviceType** (`struct DeviceType`): enables discovering devices by category (e.g. `DISPLAY_TYPE`, `TOUCH_TYPE`, `UART_CONTROLLER_TYPE`).
+
+Devices are defined via **devicetree** `.dts` files in each `Devices/<id>/` folder. A custom devicetree compiler (`Buildscripts/DevicetreeCompiler/compile.py`) generates C code from these files. Each device folder also has a `devicetree.yaml` specifying dependencies and the `.dts` file.

.claude/rules/architecture-layers.md

@@ -0,0 +1,7 @@
+# Architecture: Layer Stack (bottom to top)
+
+- **TactilityKernel** — C API kernel: device/driver/module lifecycle, concurrency primitives (thread, mutex, timer, dispatcher), filesystem, logging. Header convention: `<tactility/*.h>` (lowercase snake_case).
+- **TactilityFreeRtos** — Thin C++ wrappers around FreeRTOS primitives.
+- **Tactility** — Main OS layer: app framework, service framework, LVGL integration, networking and services (Wi-Fi, BLE, NTP, ESP-NOW), settings, i18n.
+- **TactilityC** — C bindings (`tt_*.h`) for Tactility, used by side-loaded ELF apps on ESP32. Deprecated, replaced by TactilityKernel.
+- **Firmware** — Entry point (`app_main`).

.claude/rules/build-system.md

@@ -0,0 +1,5 @@
+# Architecture: Build System
+
+The `tactility_add_module()` CMake macro (in `Buildscripts/module.cmake`) wraps ESP-IDF's `idf_component_register` on ESP32 and standard `add_library` on POSIX, allowing the same source to build for both targets.
+
+`device.py` reads `Devices/<id>/device.properties` and generates the `sdkconfig` file with all necessary ESP-IDF config (target chip, flash size, SPIRAM, LVGL fonts, Bluetooth, USB, etc.).

.claude/rules/building.md

@@ -0,0 +1,62 @@
+# Building
+
+## Git
+
+The repository uses git submodules. Make sure to use `--recurse-submodules` on relevant git commands.
+
+## Simulator (Linux/macOS, no ESP-IDF needed)
+
+> [!IMPORTANT]
+> The simulator does **NOT** build or run on native Windows (Win32/PowerShell/cmd). This is
+> a hard platform limitation, not a missing tool or PATH issue — do not attempt `cmake -B
+> buildsim` on Windows, it will not work. WSL is a separate, Linux environment and is fine.
+
+```bash
+cmake -B buildsim -G Ninja
+ninja -C buildsim              # build firmware + tests
+./buildsim/Firmware/Tactility   # run simulator
+```
+
+## ESP32 firmware
+
+```bash
+python device.py <device-id>   # generate sdkconfig for device (e.g. lilygo-tdeck)
+python device.py <device-id> --dev  # dev mode: force 4MB partition table
+idf.py build                   # build firmware
+idf.py flash monitor            # flash and monitor
+```
+
+Device IDs are the folder names under `Devices/` (e.g. `lilygo-tdeck`, `m5stack-cores3`, `cyd-2432s028r`).
+
+### Windows: activating the ESP-IDF environment
+
+On native Windows, `idf.py` is not on PATH by default — it must be activated per-shell first.
+The install script places a PowerShell profile activator per IDF version at
+`%IDF_TOOLS_PATH%\Microsoft.v<version>.PowerShell_profile.ps1` (path controlled by the
+`IDF_TOOLS_PATH` environment variable, set to wherever ESP-IDF's tools were installed, e.g.
+`C:\Espressif\tools`). Source it before running any `idf.py` command:
+
+```powershell
+. "$env:IDF_TOOLS_PATH\Microsoft.v5.5.2.PowerShell_profile.ps1"   # match the installed IDF version
+Set-Location "<repo-root>"
+idf.py build 2>&1 | Select-Object -Last 250
+```
+
+This is Windows-specific setup (the main dev works on Linux, where `idf.py` is normally
+already on PATH via `export.sh`/`. ./export.sh` or a shell profile).
+
+## Devicetree
+
+A device implementation has a `.dts` file.
+The parser at `Buildscripts/DevicetreeCompiler/` converts DTS into C code.
+It's called from the `Firmware/` build process.
+
+## Tests
+
+Tests use Doctest and run on simulator (POSIX) target only:
+
+```bash
+cmake -B buildsim -G Ninja
+ninja -C buildsim build-tests
+cd buildsim && ctest --test-dir Tests
+```

.claude/rules/coding-style.md

@@ -0,0 +1,34 @@
+# Coding Style
+
+Two conventions coexist; which one to use depends on the project layer:
+
+- **C code** (TactilityKernel, drivers): `lower_snake_case` for files, functions, variables. `UpperCamelCase` for types. Files in `source/`, `include/`, `private/` directories.
+- **C++ code** (Tactility, apps, services): `UpperCamelCase` for files and types. `lowerCamelCase` for functions. Files in `Source/`, `Include/`, `Private/` directories.
+
+For projects that emit C headers and have a C++ implementation file: the internal C++ function naming should be snake_case.
+
+Formatting is enforced by `.clang-format` (LLVM-based, 4-space indent, no column limit).
+Never throw exceptions — use return types for error handling. Use `enum class` over plain `enum` when writing C++ code.
+Do not add redundant null checks for parameters with an explicit non-null precondition.
+
+Code Comments:
+
+- Should be as short as possible, leaving only important context.
+- Should avoid explaining what the code does, unless the code complexity is high enough to warrant an explanation.
+- Must avoid explaining how the code was before, or how it was changed.
+- Should explain why code is implemented.
+- Should be as brief as possible without losing critical information.
+- Should avoid explaining what was not implemented.
+- Should avoid referring to designs of other subsystems.
+- Must avoid interjections: avoid hyphens or braces to interject. If interjections provide crucial info, use Doxygen entity/anchor references like:
+/**
+ * A dedicated completion \signal for one app instance's task.
+ * Whichever \side finishes with it last is the one that deletes `semaphore` and frees this struct.
+ *
+ * \signal Not the task's shared default FreeRTOS notification, which app_event.cpp's AppEventSubscription also uses.
+ *     An unrelated event delivered to the same task could otherwise unblock a waiter early.
+ * \side The exiting task or a concurrent app_scheduler_stop() that found the entry in time and is waiting on `semaphore`.
+ */
+```
+
+

.claude/rules/hardware-abstraction-layer.md

@@ -0,0 +1,38 @@
+# Architecture: Hardware Abstraction Layer
+
+## Driver
+
+A driver generally consists of:
+- Registration of driver in parent module (optional, but desirable)
+- YAML bindings in the `bindings/` folder
+- An `#include` that is used in the `.dts` file. The include is in `[projectname]/bindings/[drivername].h`
+- The driver implementation: a `.cpp` and `.h` file. The implementation is C++, but the header exposes pure C functions. C implementations are allowed, but C++ is preferred.
+
+Drivers are part of a kernel module.
+
+A driver whose device sits on a shared SPI controller (parent device type `SPI_CONTROLLER_TYPE`)
+must bracket its own bus access with `spi_controller_lock()`/`spi_controller_unlock()`
+(`spi_controller_lock_bus_of()`/`spi_controller_unlock_bus_of()` for the common case of a direct
+child), at the logical-operation level rather than per primitive. This is not done for you by the
+kernel's generic device-type wrappers (`display.cpp`, `pointer.cpp`, etc.) - only the driver knows
+for certain which of its calls touch the bus.
+
+Modules with drivers can be stored in:
+- TactilityKernel
+- A subproject in `Platforms` folder
+- A subproject in `Devices` folder
+- A subproject in `Drivers` folder
+
+## Kernel Modules
+
+Kernel module names are lower case and postfixed with `-module`.
+
+Projects that are kernel modules:
+
+1. Declare a `struct Module`
+2. Contain a `devicetree.yaml` file that declares a list of dependencies (for parsing the devicetree) and specifies the bindings folder that contains the drivers' YAML definitions. For example:
+```yaml
+dependencies:
+  - TactilityKernel
+bindings: bindings
+```

.claude/rules/key-conventions.md

@@ -0,0 +1,8 @@
+# Key Conventions
+
+- Shared cross-platform code uses `#ifdef ESP_PLATFORM` for ESP32-specific paths.
+  Code in `Platforms/PlatformEsp32/` is already ESP-only and does not need guards around ESP-IDF includes.
+- The `Drivers/` directory contains hardware drivers (display controllers, touch controllers, PMICs, etc.) — each is its own CMake component.
+- `Modules/` contains cross-cutting modules. e.g.`lvgl-module` (LVGL task management).
+- `Data/system/` and `Data/data/` are flashed as FAT filesystem images on ESP32.
+- Translations are in `Translations/` as CSV files, generated via `generate.py`.

.claude/rules/lvgl.md

@@ -0,0 +1,8 @@
+# Architecture: LVGL
+
+User interfaces should scale well for everything between very large (e.g. 1280x720) and small (e.g. 135x240) displays. Vertical and horizontal layouts are supported.
+
+Two kernel modules cover LVGL:
+
+- **`lvgl-module`** (`Modules/lvgl-module/`, `<lvgl/*.h>`) owns LVGL's lifecycle: init/deinit, the LVGL task loop, and `lvgl_lock()`/`lvgl_try_lock()`/`lvgl_unlock()` mutex-based locking that any task must hold before touching LVGL objects. It bridges Tactility's device model to LVGL indevs (`lvgl/devices/*.h`: `display`, `pointer`, `keyboard`, `trackball`), and provides shared fonts (`lvgl/fonts.h`: Montserrat text sizes, Material Symbols icon sets for statusbar/launcher/shared use) and a few shared widgets (`lvgl/widgets/*.h`: `toolbar`, `spinner`, `sliderbox`).
+- **`lvgl-window-manager-module`** (`Modules/lvgl-window-manager-module/`, `<lvgl_window_manager/*.h>`) manages a single stacked window per app instance on top of `lvgl-module`. `window_manager_start()`/`window_manager_stop()` create/tear down the root widget (plus optional chrome from a configured `WindowManagerScreenInitFn`); `window_manager_create()`/`window_manager_remove()` push/pop an app's window and (re)populate it via a `WindowCreateWidgetsFn`. Only the topmost window ever has live widgets - burying and resurfacing a window deletes and rebuilds its widget tree rather than hiding/showing it. That rebuild-on-remove path can run `create_widgets` on a *different* app's thread (whichever app's `window_manager_remove()` call caused this window to resurface), so `create_widgets` must only rebuild already-committed state, never decide what happens next - state transitions belong in the app's own `main()` event loop, driven by real `APP_EVENT_RESULT`s.

.claude/rules/platform-abstraction.md

@@ -0,0 +1,4 @@
+# Architecture: Platform Abstraction
+
+- `Platforms/platform-esp32/` — ESP-IDF specific implementations
+- `Platforms/platform-posix/` — POSIX simulator implementations (SDL for display)

.claude/rules/project-overview.md

@@ -0,0 +1,3 @@
+# Project Overview
+
+Tactility is an operating system for the ESP32 microcontroller family. It runs on 40+ supported devices (CYD boards, LilyGO, M5Stack, Elecrow, etc.) and includes a desktop simulator. Built with C++23, ESP-IDF, LVGL, and FreeRTOS.

.claude/rules/service-framework.md

@@ -0,0 +1,3 @@
+# Architecture: Service Framework
+
+Services are a C API (`service-module`, `<service/*.h>`), not a C++ class. Each service has a `ServiceManifest` (`id`, `create_service`/`destroy_service` for its custom data, `on_start`/`on_stop` callbacks) registered via `service_manager_add()`, and is started/stopped via `service_manager_start()`/`service_manager_stop()`. Services are long-running background processes (GUI, Wi-Fi, loader, statusbar, GPS, etc.).

.claude/rules/tests.md

@@ -0,0 +1 @@
+Tests for projects should be placed in the `Tests/` or `tests/` subfolder of that project.

.github/actions/build-firmware/action.yml

@@ -11,7 +11,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         submodules: recursive
     - name: 'Board select'

.github/actions/build-sdk-posix/action.yml

@@ -0,0 +1,41 @@
+name: Build
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/checkout@v6
+      with:
+        submodules: recursive
+        persist-credentials: false
+    - name: 'Detect architecture'
+      id: arch
+      shell: bash
+      run: echo "value=$(uname -m)" >> "$GITHUB_OUTPUT"
+    - name: 'Configure'
+      shell: bash
+      run: cmake -S ./ -B buildsim
+    - name: 'Build'
+      shell: bash
+      run: cmake --build buildsim --target TactilityKernel lvgl minitar minmea $(cat Buildscripts/release-sdk-modules.txt)
+    - name: 'Release'
+      shell: bash
+      run: python Buildscripts/release-sdk-posix.py release/TactilitySDK
+    - name: 'Test Integration Prep'
+      shell: bash
+      env:
+        TACTILITY_ARCH: ${{ steps.arch.outputs.value }}
+      run: |
+        TACTILITY_SDK_NAME="$(cat version.txt)-posix-$TACTILITY_ARCH"
+        mkdir -p test_sdk/$TACTILITY_SDK_NAME
+        cp -r release/TactilitySDK test_sdk/$TACTILITY_SDK_NAME
+    - name: 'Test Integration'
+      shell: bash
+      env:
+        TACTILITY_ARCH: ${{ steps.arch.outputs.value }}
+      run: cd Tests/SdkIntegration && TACTILITY_SDK_PATH=../../test_sdk python tactility.py build -a posix-$TACTILITY_ARCH --local-sdk
+    - name: 'Upload Artifact'
+      uses: actions/upload-artifact@v4
+      with:
+        name: TactilitySDK-posix-${{ steps.arch.outputs.value }}
+        path: release/TactilitySDK
+        retention-days: 30

.github/actions/build-sdk/action.yml

@@ -11,7 +11,7 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         submodules: recursive
     - name: 'Board select'
@@ -29,13 +29,13 @@ runs:
       env:
         # NOTE: Update with ESP-IDF!
         ESP_IDF_VERSION: '5.5.2'
-      run: python Buildscripts/release-sdk.py release/TactilitySDK
+      run: python Buildscripts/release-sdk-esp32.py release/TactilitySDK
     - name: 'Test Integration Prep'
       shell: bash
       # The manifest.properties of our integration test uses version 0.0.0 to indicate that it is not using a normal SDK
       # This way, it only works with our custom build. That means we have to create a copy of the SDK with the correct folder structure:
       run: |
-        TACTILITY_SDK_NAME="0.0.0-${{ inputs.arch }}"
+        TACTILITY_SDK_NAME="$(cat version.txt)-${{ inputs.arch }}"
         mkdir -p test_sdk/$TACTILITY_SDK_NAME
         cp -r release/TactilitySDK test_sdk/$TACTILITY_SDK_NAME
     - name: 'Test Integration'
@@ -43,7 +43,7 @@ runs:
       with:
         esp_idf_version: v5.5.2
         target: ${{ inputs.arch }}
-        command: export TACTILITY_SDK_PATH=../../test_sdk && cd Tests/SdkIntegration && python tactility.py build ${{ inputs.arch }} --local-sdk
+        command: export TACTILITY_SDK_PATH=../../test_sdk && cd Tests/SdkIntegration && python tactility.py build -a ${{ inputs.arch }} --local-sdk
     - name: 'Upload Artifact'
       uses: actions/upload-artifact@v4
       with:

.github/actions/build-simulator/action.yml

@@ -15,7 +15,7 @@ runs:
   using: "composite"
   steps:
     - name: "Checkout repo"
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
     - name: Install Linux Dependencies for SDL
@@ -45,7 +45,7 @@ runs:
       run: cmake -S ./ -B buildsim
     - name: "Build Tests"
       shell: bash
-      run: cmake --build buildsim --target FirmwareSim
+      run: cmake --build buildsim --target Tactility
     - name: 'Release'
       shell: bash
       run: Buildscripts/release-simulator.sh buildsim release/Simulator-${{ inputs.os_name }}-${{ inputs.platform_name }}

.github/workflows/build-simulator.yml

@@ -10,7 +10,7 @@ jobs:
   Linux:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: "Build"
@@ -22,7 +22,7 @@ jobs:
   macOS:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: "Build"

.github/workflows/build.yml

@@ -11,7 +11,7 @@ on:
 permissions: read-all
 
 jobs:
-  BuildSdk:
+  BuildSdkEsp32:
     strategy:
       matrix:
         board: [
@@ -22,7 +22,7 @@ jobs:
         ]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: "Build SDK"
@@ -30,59 +30,32 @@ jobs:
         with:
           board_id: ${{ matrix.board.id }}
           arch: ${{ matrix.board.arch }}
-  BuildFirmware:
-    strategy:
-      matrix:
-        board: [
-          { id: btt-panda-touch, arch: esp32s3 },
-          { id: cyd-2432s024c, arch: esp32 },
-          { id: cyd-2432s024r, arch: esp32 },
-          { id: cyd-2432s028r, arch: esp32 },
-          { id: cyd-2432s028rv3, arch: esp32 },
-          { id: cyd-e32r28t, arch: esp32 },
-          { id: cyd-e32r32p, arch: esp32 },
-          { id: cyd-2432s032c, arch: esp32 },
-          { id: cyd-3248s035c, arch: esp32 },
-          { id: cyd-8048s043c, arch: esp32s3 },
-          { id: cyd-4848s040c, arch: esp32s3 },
-          { id: elecrow-crowpanel-advance-28, arch: esp32s3 },
-          { id: elecrow-crowpanel-advance-35, arch: esp32s3 },
-          { id: elecrow-crowpanel-advance-50, arch: esp32s3 },
-          { id: elecrow-crowpanel-basic-28, arch: esp32 },
-          { id: elecrow-crowpanel-basic-35, arch: esp32 },
-          { id: elecrow-crowpanel-basic-50, arch: esp32s3 },
-          { id: guition-jc1060p470ciwy, arch: esp32p4 },
-          { id: guition-jc2432w328c, arch: esp32 },
-          { id: guition-jc3248w535c, arch: esp32s3 },
-          { id: guition-jc8048w550c, arch: esp32s3 },
-          { id: heltec-wifi-lora-32-v3, arch: esp32s3 },
-          { id: lilygo-tdeck, arch: esp32s3 },
-          { id: lilygo-thmi, arch: esp32s3 },
-          { id: lilygo-tdongle-s3, arch: esp32s3 },
-          { id: lilygo-tdisplay-s3, arch: esp32s3 },
-          { id: lilygo-tlora-pager, arch: esp32s3 },
-          { id: lilygo-tdisplay, arch: esp32 },
-          { id: m5stack-cardputer, arch: esp32s3 },
-          { id: m5stack-cardputer-adv, arch: esp32s3 },
-          { id: m5stack-core2, arch: esp32 },
-          { id: m5stack-cores3, arch: esp32s3 },
-          { id: m5stack-papers3, arch: esp32s3 },
-          { id: m5stack-stackchan, arch: esp32s3 },
-          { id: m5stack-stickc-plus2, arch: esp32 },
-          { id: m5stack-sticks3, arch: esp32s3 },
-          { id: m5stack-tab5, arch: esp32p4 },
-          { id: unphone, arch: esp32s3 },
-          { id: waveshare-esp32-s3-geek, arch: esp32s3 },
-          { id: waveshare-s3-lcd-13, arch: esp32s3 },
-          { id: waveshare-s3-touch-lcd-128, arch: esp32s3 },
-          { id: waveshare-s3-touch-lcd-147, arch: esp32s3 },
-          { id: waveshare-s3-touch-lcd-43, arch: esp32s3 },
-          { id: wireless-tag-wt32-sc01-plus, arch: esp32s3 }
-        ]
+  BuildSdkPosix:
     runs-on: ubuntu-latest
-    needs: [ BuildSdk ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+      - name: "Build SDK"
+        uses: ./.github/actions/build-sdk-posix
+  GenerateDeviceMatrix:
+    runs-on: ubuntu-latest
+    needs: [ BuildSdkEsp32 ]
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+      - id: set-matrix
+        run: python3 Buildscripts/gh-generate-device-matrix.py
+  BuildFirmware:
+    runs-on: ubuntu-latest
+    needs: GenerateDeviceMatrix
+    strategy:
+      matrix: ${{ fromJSON(needs.GenerateDeviceMatrix.outputs.matrix) }}
+    steps:
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: "Build Firmware"
@@ -92,12 +65,14 @@ jobs:
           arch: ${{ matrix.board.arch }}
   BundleArtifacts:
     runs-on: ubuntu-latest
-    needs: [ BuildFirmware ]
+    needs: [ BuildFirmware, BuildSdkPosix ]
     if: |
       (github.event_name == 'push' && github.ref == 'refs/heads/main') ||
       (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v'))
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
       - name: "Bundle Artifacts"
         uses: ./.github/actions/bundle-artifacts
   PublishFirmwareSnapshot:
@@ -105,7 +80,7 @@ jobs:
     needs: [ BundleArtifacts ]
     if: (github.event_name == 'push' && github.ref == 'refs/heads/main')
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: "Publish Firmware Snapshot"
         env:
           CDN_ID: ${{ secrets.CDN_ID }}
@@ -119,7 +94,7 @@ jobs:
     needs: [ BundleArtifacts ]
     if: (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v'))
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: "Publish Firmware Stable"
         env:
           CDN_ID: ${{ secrets.CDN_ID }}
@@ -133,7 +108,7 @@ jobs:
     needs: [ BundleArtifacts ]
     if: (github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v')))
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: "Publish SDKs"
         env:
           CDN_ID: ${{ secrets.CDN_ID }}

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout repo"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
       - name: "Configure Project"
@@ -19,19 +19,12 @@ jobs:
         run: cmake -S ./ -B build
       - name: "Build Tests"
         run: cmake --build build --target build-tests
-      - name: "Run TactilityCore Tests"
-        run: build/Tests/TactilityCore/TactilityCoreTests
-      - name: "Run TactilityFreeRtos Tests"
-        run: build/Tests/TactilityFreeRtos/TactilityFreeRtosTests
-      - name: "Run TactilityHeadless Tests"
-        run: build/Tests/Tactility/TactilityTests
-      - name: "Run TactilityKernel Tests"
-        run: build/Tests/TactilityKernel/TactilityKernelTests
+      - name: "Run Tests"
+        run: ctest --test-dir build/Tests
   DevicetreeTests:
     runs-on: ubuntu-latest
     steps:
-      - name: "Checkout repo"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
           submodules: recursive

.gitignore

@@ -1,9 +1,9 @@
 .idea/
 .DS_Store
 
-build/
-buildsim/
-cmake-*/
+build*/
+!.github/actions/build*/
+cmake*/
 CMakeCache.txt
 *.cbp
 CMakeFiles
@@ -26,3 +26,5 @@ sdkconfig.board.*.dev
 
 .caveman.json
 .ai/mcp
+
+__pycache__

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "Libraries/cJSON/cJSON"]
 	path = Libraries/cJSON/cJSON
 	url = https://github.com/DaveGamble/cJSON.git
+[submodule "Libraries/esp_epaper"]
+	path = Libraries/esp_epaper
+	url = https://github.com/NellowTCS/esp_epaper.git

Buildscripts/DevicetreeCompiler/source/binding_parser.py

@@ -46,6 +46,8 @@ def parse_binding(file_path: str, binding_dirs: list[str]) -> Binding:
             description=details.get('description', '').strip(),
             default=details.get('default', None),
             element_type=details.get('element-type', None),
+            min=details.get('min', None),
+            max=details.get('max', None),
         )
         properties_dict[name] = prop
     filename = os.path.basename(file_path)

Buildscripts/DevicetreeCompiler/source/generator.py

@@ -26,7 +26,7 @@ def get_device_node_name_safe(device: Device):
 def get_device_type_name(device: Device, bindings: list[Binding]):
     device_binding = find_device_binding(device, bindings)
     if device_binding is None:
-        raise DevicetreeException(f"Binding not found for {device.node_name}")
+        raise DevicetreeException(f"Binding not found for {device.node_name}. Make sure that the driver name in the driver's yaml and driver code declarations matches with the device dts file.")
     if device_binding.compatible is None:
         raise DevicetreeException(f"Couldn't find compatible binding for {device.node_name}")
     compatible_safe = device_binding.compatible.split(",")[-1]
@@ -79,6 +79,11 @@ def property_to_string(property: DeviceProperty, devices: list[Device]) -> str:
                 value_list.append(str(item))
         return "{ " + ",".join(value_list) + " }"
     elif type == "phandle":
+        # Mirrors the string-passthrough convention "phandles" already uses for sentinel defaults
+        # like GPIO_PIN_SPEC_NONE: a binding default of "NULL" represents "no device referenced",
+        # not an actual node name to resolve.
+        if isinstance(property.value, str) and property.value == "NULL":
+            return "NULL"
         return find_phandle(devices, property.value)
     elif type == "phandles":
         value_list = list()
@@ -113,6 +118,25 @@ def resolve_phandle_array_entries(device_property, devices):
             entries.append(str(item))
     return entries
 
+def validate_property_range(device: Device, binding_property, value) -> None:
+    """Enforces a binding's optional min/max on int-typed properties. Silently skips
+    values that aren't parseable as a plain integer literal (e.g. a passed-through
+    symbolic #define) - those can't be range-checked at compile time."""
+    if binding_property.min is None and binding_property.max is None:
+        return
+    try:
+        numeric_value = int(value, 0) if isinstance(value, str) else int(value)
+    except (TypeError, ValueError):
+        return
+    if binding_property.min is not None and numeric_value < binding_property.min:
+        raise DevicetreeException(
+            f"Device '{device.node_name}' property '{binding_property.name}' value {numeric_value} is below minimum {binding_property.min}"
+        )
+    if binding_property.max is not None and numeric_value > binding_property.max:
+        raise DevicetreeException(
+            f"Device '{device.node_name}' property '{binding_property.name}' value {numeric_value} is above maximum {binding_property.max}"
+        )
+
 def resolve_parameters_from_bindings(device: Device, bindings: list[Binding], devices: list[Device]) -> list:
     compatible_property = find_device_property(device, "compatible")
     if compatible_property is None:
@@ -137,7 +161,7 @@ def resolve_parameters_from_bindings(device: Device, bindings: list[Binding], de
 
     node_name = get_device_node_name_safe(device)
     result = []
-    phandle_arrays = []
+    array_decls = []
     for binding_property in binding_properties:
         device_property = find_device_property(device, binding_property.name)
 
@@ -148,7 +172,35 @@ def resolve_parameters_from_bindings(device: Device, bindings: list[Binding], de
             array_var = f"{node_name}_{prop_safe}"
             if device_property is not None:
                 entries = resolve_phandle_array_entries(device_property, devices)
-                phandle_arrays.append((array_var, binding_property.element_type, entries))
+                array_decls.append((array_var, binding_property.element_type, entries))
+                result.append(f"({binding_property.element_type}*){array_var}")
+                result.append(str(len(entries)))
+            elif binding_property.default is not None:
+                result.append("NULL")
+                result.append("0")
+            elif binding_property.required:
+                raise DevicetreeException(f"device {device.node_name} doesn't have property '{binding_property.name}'")
+            else:
+                result.append("NULL")
+                result.append("0")
+            continue
+
+        if binding_property.type == "array":
+            # A flat literal array (DTS `[ ... ]` syntax, e.g. a byte blob), as opposed to
+            # phandle-array's list of resolved device references. Emits the same
+            # (pointer, length) parameter pair, backed by a plain data array instead of one
+            # holding phandle-derived initializers.
+            if binding_property.element_type is None:
+                raise DevicetreeException(f"array property '{binding_property.name}' requires 'element-type' in binding")
+            prop_safe = binding_property.name.replace("-", "_")
+            array_var = f"{node_name}_{prop_safe}"
+            if device_property is not None:
+                if device_property.type != "array":
+                    raise DevicetreeException(
+                        f"Device '{device.node_name}' property '{binding_property.name}' must use '[ ... ]' array syntax"
+                    )
+                entries = [str(value) for value in device_property.value]
+                array_decls.append((array_var, binding_property.element_type, entries))
                 result.append(f"({binding_property.element_type}*){array_var}")
                 result.append(str(len(entries)))
             elif binding_property.default is not None:
@@ -163,6 +215,7 @@ def resolve_parameters_from_bindings(device: Device, bindings: list[Binding], de
 
         if device_property is None:
             if binding_property.default is not None:
+                validate_property_range(device, binding_property, binding_property.default)
                 temp_prop = DeviceProperty(
                     name=binding_property.name,
                     type=binding_property.type,
@@ -179,19 +232,20 @@ def resolve_parameters_from_bindings(device: Device, bindings: list[Binding], de
             else:
                 raise DevicetreeException(f"Device {device.node_name} doesn't have property '{binding_property.name}' and no default value is set")
         else:
+            validate_property_range(device, binding_property, device_property.value)
             result.append(property_to_string(device_property, devices))
 
-    return result, phandle_arrays
+    return result, array_decls
 
 def write_config(file, device: Device, bindings: list[Binding], devices: list[Device], type_name: str):
     node_name = get_device_node_name_safe(device)
     config_type = f"{type_name}_config_dt"
     config_variable_name = f"{node_name}_config"
 
-    config_params, phandle_arrays = resolve_parameters_from_bindings(device, bindings, devices)
+    config_params, array_decls = resolve_parameters_from_bindings(device, bindings, devices)
 
-    # Write phandle-array variables before the config struct
-    for array_var, element_type, entries in phandle_arrays:
+    # Write phandle-array/array variables before the config struct
+    for array_var, element_type, entries in array_decls:
         entries_str = ", ".join(entries)
         file.write(f"static {element_type} {array_var}[] = {{ {entries_str} }};\n")
 
@@ -228,6 +282,7 @@ def write_device_structs(file, device: Device, parent_device: Device, bindings:
     file.write(f"\t.address = {address_value},\n")
     file.write(f"\t.name = \"{device.node_name}\",\n") # Use original name
     file.write(f"\t.config = &{config_variable_name},\n")
+    file.write("\t.flags = DEVICE_FLAG_DTS,\n")
     file.write(f"\t.parent = {parent_value},\n")
     file.write("\t.internal = NULL\n")
     file.write("};\n\n")
@@ -295,7 +350,7 @@ def generate_devicetree_c(filename: str, items: list[object], bindings: list[Bin
         for item in items:
             if type(item) is Device:
                 write_device_structs(file, item, None, bindings, devices, verbose)
-        file.write("struct DtsDevice dts_devices[] = {\n")
+        file.write("const struct DtsDevice dts_devices[] = {\n")
         for item in items:
             if type(item) is Device:
                 write_device_list_entry(file, item, bindings, verbose)
@@ -324,7 +379,7 @@ def generate_devicetree_c(filename: str, items: list[object], bindings: list[Bin
             file.write(f"extern struct Module {symbol};\n")
         file.write("\n")
         # Create array of symbol variables
-        file.write("struct Module* dts_modules[] = {\n")
+        file.write("struct Module* const dts_modules[] = {\n")
         for symbol in module_symbol_names:
             file.write(f"\t&{symbol},\n")
         file.write("\tNULL\n")
@@ -342,10 +397,10 @@ def generate_devicetree_h(filename: str):
         #endif
         
         // Array of device tree modules terminated with DTS_MODULE_TERMINATOR
-        extern struct DtsDevice dts_devices[];
+        extern const struct DtsDevice dts_devices[];
         
         // Array of module symbols terminated with NULL
-        extern struct Module* dts_modules[];
+        extern struct Module* const dts_modules[];
         
         #ifdef __cplusplus
         }

Buildscripts/DevicetreeCompiler/source/models.py

@@ -40,6 +40,8 @@ class BindingProperty:
     description: str
     default: object = None
     element_type: str = None
+    min: object = None
+    max: object = None
 
 @dataclass
 class Binding:

Buildscripts/DevicetreeCompiler/tests/data/expected_devicetree.c

@@ -13,6 +13,7 @@ static struct Device root = {
 	.address = 0,
 	.name = "/",
 	.config = &root_config,
+	.flags = DEVICE_FLAG_DTS,
 	.parent = NULL,
 	.internal = NULL
 };
@@ -27,6 +28,7 @@ static struct Device test_device = {
 	.address = 0,
 	.name = "test-device",
 	.config = &test_device_config,
+	.flags = DEVICE_FLAG_DTS,
 	.parent = &root,
 	.internal = NULL
 };
@@ -43,11 +45,12 @@ static struct Device bool_test_device = {
 	.address = 0,
 	.name = "bool-test-device",
 	.config = &bool_test_device_config,
+	.flags = DEVICE_FLAG_DTS,
 	.parent = &root,
 	.internal = NULL
 };
 
-struct DtsDevice dts_devices[] = {
+const struct DtsDevice dts_devices[] = {
 	{ &root, "test,root", DTS_DEVICE_STATUS_OKAY },
 	{ &test_device, "test,generic-device", DTS_DEVICE_STATUS_OKAY },
 	{ &bool_test_device, "test,bool-device", DTS_DEVICE_STATUS_OKAY },
@@ -56,7 +59,7 @@ struct DtsDevice dts_devices[] = {
 
 extern struct Module data_module;
 
-struct Module* dts_modules[] = {
+struct Module* const dts_modules[] = {
 	&data_module,
 	NULL
 };

Buildscripts/DevicetreeCompiler/tests/data/expected_devicetree.h

@@ -7,10 +7,10 @@ extern "C" {
 #endif
 
 // Array of device tree modules terminated with DTS_MODULE_TERMINATOR
-extern struct DtsDevice dts_devices[];
+extern const struct DtsDevice dts_devices[];
 
 // Array of module symbols terminated with NULL
-extern struct Module* dts_modules[];
+extern struct Module* const dts_modules[];
 
 #ifdef __cplusplus
 }

Buildscripts/DevicetreeCompiler/tests/test_integration.py

@@ -76,6 +76,225 @@ def test_compile_invalid_dts():
         print("PASSED")
         return True
 
+def write_minmax_config(tmp_dir, device_property_line, binding_min=0, binding_max=3, binding_default=1):
+    config_dir = os.path.join(tmp_dir, "minmax_data")
+    bindings_dir = os.path.join(config_dir, "bindings")
+    os.makedirs(bindings_dir)
+
+    with open(os.path.join(config_dir, "devicetree.yaml"), "w") as f:
+        f.write("dts: test.dts\nbindings: bindings")
+
+    with open(os.path.join(config_dir, "test.dts"), "w") as f:
+        f.write(f"""/dts-v1/;
+
+/ {{
+    compatible = "test,root";
+    model = "Test Model";
+
+    test-device@0 {{
+        compatible = "test,minmax-device";
+        {device_property_line}
+    }};
+}};
+""")
+
+    with open(os.path.join(bindings_dir, "test,root.yaml"), "w") as f:
+        f.write("description: Test root binding\ncompatible: \"test,root\"\nproperties:\n  model:\n    type: string\n")
+
+    with open(os.path.join(bindings_dir, "test,minmax-device.yaml"), "w") as f:
+        f.write(f"""description: Test min/max binding
+compatible: "test,minmax-device"
+properties:
+  ranged-prop:
+    type: int
+    default: {binding_default}
+    min: {binding_min}
+    max: {binding_max}
+""")
+
+    return config_dir
+
+def test_minmax_within_range_succeeds():
+    print("Running test_minmax_within_range_succeeds...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        config_dir = write_minmax_config(tmp_dir, "ranged-prop = <2>;")
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+
+        result = run_compiler(config_dir, output_dir)
+
+        if result.returncode != 0:
+            print(f"FAILED: Compilation should have succeeded: {result.stderr} {result.stdout}")
+            return False
+
+        print("PASSED")
+        return True
+
+def test_minmax_below_minimum_fails():
+    print("Running test_minmax_below_minimum_fails...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        config_dir = write_minmax_config(tmp_dir, "ranged-prop = <-1>;")
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+
+        result = run_compiler(config_dir, output_dir)
+
+        if result.returncode == 0:
+            print("FAILED: Compilation should have failed for a below-minimum value")
+            return False
+
+        if "below minimum" not in result.stdout:
+            print(f"FAILED: Expected 'below minimum' error message, got: {result.stdout}")
+            return False
+
+        print("PASSED")
+        return True
+
+def test_minmax_above_maximum_fails():
+    print("Running test_minmax_above_maximum_fails...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        config_dir = write_minmax_config(tmp_dir, "ranged-prop = <7>;")
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+
+        result = run_compiler(config_dir, output_dir)
+
+        if result.returncode == 0:
+            print("FAILED: Compilation should have failed for an above-maximum value")
+            return False
+
+        if "above maximum" not in result.stdout:
+            print(f"FAILED: Expected 'above maximum' error message, got: {result.stdout}")
+            return False
+
+        print("PASSED")
+        return True
+
+def test_minmax_out_of_range_default_fails():
+    print("Running test_minmax_out_of_range_default_fails...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        # Property omitted from the .dts entirely, so the (invalid) binding default is used.
+        config_dir = write_minmax_config(tmp_dir, "", binding_default=9)
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+
+        result = run_compiler(config_dir, output_dir)
+
+        if result.returncode == 0:
+            print("FAILED: Compilation should have failed for an out-of-range default value")
+            return False
+
+        if "above maximum" not in result.stdout:
+            print(f"FAILED: Expected 'above maximum' error message, got: {result.stdout}")
+            return False
+
+        print("PASSED")
+        return True
+
+def test_minmax_symbolic_value_skips_validation():
+    print("Running test_minmax_symbolic_value_skips_validation...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        # A passed-through symbolic constant can't be range-checked at compile time and must
+        # not be rejected just because a min/max is declared.
+        config_dir = write_minmax_config(tmp_dir, "ranged-prop = <SOME_DEFINE>;")
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+
+        result = run_compiler(config_dir, output_dir)
+
+        if result.returncode != 0:
+            print(f"FAILED: Compilation should have succeeded for a symbolic value: {result.stderr} {result.stdout}")
+            return False
+
+        print("PASSED")
+        return True
+
+def write_array_config(tmp_dir, device_property_line):
+    config_dir = os.path.join(tmp_dir, "array_data")
+    bindings_dir = os.path.join(config_dir, "bindings")
+    os.makedirs(bindings_dir)
+
+    with open(os.path.join(config_dir, "devicetree.yaml"), "w") as f:
+        f.write("dts: test.dts\nbindings: bindings")
+
+    with open(os.path.join(config_dir, "test.dts"), "w") as f:
+        f.write(f"""/dts-v1/;
+
+/ {{
+    compatible = "test,root";
+    model = "Test Model";
+
+    test-device@0 {{
+        compatible = "test,array-device";
+        {device_property_line}
+    }};
+}};
+""")
+
+    with open(os.path.join(bindings_dir, "test,root.yaml"), "w") as f:
+        f.write("description: Test root binding\ncompatible: \"test,root\"\nproperties:\n  model:\n    type: string\n")
+
+    with open(os.path.join(bindings_dir, "test,array-device.yaml"), "w") as f:
+        f.write("""description: Test array binding
+compatible: "test,array-device"
+properties:
+  init-sequence:
+    type: array
+    element-type: uint8_t
+""")
+
+    return config_dir
+
+def test_array_property_generates_static_array_and_length():
+    print("Running test_array_property_generates_static_array_and_length...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        config_dir = write_array_config(tmp_dir, "init-sequence = [0xFF 0x01 0x00 0x00 0x10 5 0];")
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+
+        result = run_compiler(config_dir, output_dir)
+
+        if result.returncode != 0:
+            print(f"FAILED: Compilation should have succeeded: {result.stderr} {result.stdout}")
+            return False
+
+        with open(os.path.join(output_dir, "devicetree.c")) as f:
+            generated = f.read()
+
+        if "static uint8_t test_device_init_sequence[] = { 0xFF, 0x01, 0x00, 0x00, 0x10, 5, 0 };" not in generated:
+            print(f"FAILED: Expected static array declaration not found:\n{generated}")
+            return False
+
+        if "(uint8_t*)test_device_init_sequence" not in generated or "\t7\n" not in generated:
+            print(f"FAILED: Expected (pointer, length) config params not found:\n{generated}")
+            return False
+
+        print("PASSED")
+        return True
+
+def test_array_property_defaults_to_null_when_absent():
+    print("Running test_array_property_defaults_to_null_when_absent...")
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        config_dir = write_array_config(tmp_dir, "")
+        output_dir = os.path.join(tmp_dir, "output")
+        os.makedirs(output_dir)
+
+        result = run_compiler(config_dir, output_dir)
+
+        if result.returncode != 0:
+            print(f"FAILED: Compilation should have succeeded: {result.stderr} {result.stdout}")
+            return False
+
+        with open(os.path.join(output_dir, "devicetree.c")) as f:
+            generated = f.read()
+
+        if "NULL,\n\t0" not in generated:
+            print(f"FAILED: Expected NULL/0 defaults not found:\n{generated}")
+            return False
+
+        print("PASSED")
+        return True
+
 def test_compile_missing_config():
     print("Running test_compile_missing_config...")
     with tempfile.TemporaryDirectory() as output_dir:
@@ -92,11 +311,46 @@ def test_compile_missing_config():
         print("PASSED")
         return True
 
+
+def test_es3c35p_uses_current_runtime_contract():
+    print("Running test_es3c35p_uses_current_runtime_contract...")
+    repository_root = os.path.abspath(os.path.join(SCRIPT_DIR, "..", "..", ".."))
+    device_dir = os.path.join(repository_root, "Devices", "es3c35p")
+    with open(os.path.join(device_dir, "device.properties")) as f:
+        properties = f.read()
+    with open(os.path.join(device_dir, "es3c35p.dts")) as f:
+        devicetree = f.read()
+
+    requirements = [
+        ("apps.launcherAppId=tactility.launcher" in properties, "current launcher app id"),
+        ("hardware.tinyUsb=" not in properties, "no obsolete hardware.tinyUsb property"),
+        ('wifi0 {\n\t\tcompatible = "espressif,esp32-wifi-pinned";\n\t};' in devicetree,
+         "Wi-Fi enabled for web server and MCP"),
+        ('ble0 {\n\t\tcompatible = "espressif,esp32-ble";\n\t};' in devicetree,
+         "BLE node matches hardware.bluetooth=true"),
+    ]
+    missing = [description for condition, description in requirements if not condition]
+    if missing:
+        print("FAILED: " + ", ".join(missing))
+        return False
+
+    print("PASSED")
+    return True
+
+
 if __name__ == "__main__":
     tests = [
         test_compile_success,
         test_compile_invalid_dts,
-        test_compile_missing_config
+        test_compile_missing_config,
+        test_es3c35p_uses_current_runtime_contract,
+        test_minmax_within_range_succeeds,
+        test_minmax_below_minimum_fails,
+        test_minmax_above_maximum_fails,
+        test_minmax_out_of_range_default_fails,
+        test_minmax_symbolic_value_skips_validation,
+        test_array_property_generates_static_array_and_length,
+        test_array_property_defaults_to_null_when_absent
     ]
     
     failed = 0

Buildscripts/Flashing/flash.ps1

@@ -13,9 +13,9 @@ $jsonClean = $json.flash_files -replace '[\{\}\@\;]', ''
 $jsonClean = $jsonClean -replace '[\=]', ' '
 
 cd Binaries
-$command = "esptool --port $port erase_flash"
+$command = "esptool --port $port erase-flash"
 Invoke-Expression $command
-$command = "esptool --port $port write_flash $jsonClean"
+$command = "esptool --port $port write-flash $jsonClean"
 Invoke-Expression $command
 cd ..
 

Buildscripts/Flashing/flash.sh

@@ -49,7 +49,7 @@ fi
 # Take the flash_arg file contents and join each line in the file into a single line
 flash_args=`grep \n Binaries/flash_args | awk '{print}' ORS=' '`
 cd Binaries
-$esptoolPath --port $1 erase_flash
-$esptoolPath --port $1 write_flash $flash_args
+$esptoolPath --port $1 erase-flash
+$esptoolPath --port $1 write-flash $flash_args
 cd -
 

Buildscripts/TactilitySDK/CMakeLists.txt

@@ -1,24 +1,21 @@
 idf_component_register(
     INCLUDE_DIRS
-        "Libraries/TactilityC/include"
         "Libraries/TactilityKernel/include"
-        "Libraries/TactilityFreeRtos/include"
+        "Libraries/TactilityFreeRtos/Include"
         "Libraries/lvgl/include"
+        "Libraries/minmea/include"
+        "Libraries/minitar/include"
         "Modules/lvgl-module/include"
-        "Drivers/bm8563-module/include"
-        "Drivers/bmi270-module/include"
-        "Drivers/mpu6886-module/include"
-        "Drivers/pi4ioe5v6408-module/include"
-        "Drivers/qmi8658-module/include"
-        "Drivers/rx8130ce-module/include"
-    REQUIRES esp_timer
+    REQUIRES esp_timer app-module crypt-module gps-module lvgl-module lvgl-window-manager-module service-module
 )
 
 # Regular and core features
-add_prebuilt_library(TactilityC Libraries/TactilityC/binary/libTactilityC.a)
 add_prebuilt_library(TactilityKernel Libraries/TactilityKernel/binary/libTactilityKernel.a)
 add_prebuilt_library(lvgl Libraries/lvgl/binary/liblvgl.a)
+add_prebuilt_library(minmea Libraries/minmea/binary/libminmea.a)
+add_prebuilt_library(minitar Libraries/minitar/binary/libminitar.a)
 
-target_link_libraries(${COMPONENT_LIB} INTERFACE TactilityC)
 target_link_libraries(${COMPONENT_LIB} INTERFACE TactilityKernel)
 target_link_libraries(${COMPONENT_LIB} INTERFACE lvgl)
+target_link_libraries(${COMPONENT_LIB} INTERFACE minmea)
+target_link_libraries(${COMPONENT_LIB} INTERFACE minitar)

Buildscripts/TactilitySDK/TactilitySDK.cmake

@@ -1,36 +0,0 @@
-function(tactility_project)
-endfunction()
-
-function(_tactility_project)
-endfunction()
-
-macro(tactility_project project_name)
-    set(TACTILITY_SKIP_SPIFFS 1)
-
-    include("${TACTILITY_SDK_PATH}/Libraries/elf_loader/elf_loader.cmake")
-    project_elf($project_name)
-
-    file(READ ${TACTILITY_SDK_PATH}/idf-version.txt TACTILITY_SDK_IDF_VERSION)
-    string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" TACTILITY_SDK_IDF_MAJOR_MINOR "${TACTILITY_SDK_IDF_VERSION}")
-    string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" CURRENT_IDF_MAJOR_MINOR "$ENV{ESP_IDF_VERSION}")
-    if (NOT "${CURRENT_IDF_MAJOR_MINOR}" STREQUAL "${TACTILITY_SDK_IDF_MAJOR_MINOR}")
-        message(FATAL_ERROR "ESP-IDF version of Tactility SDK (${TACTILITY_SDK_IDF_VERSION}) does not match current ESP-IDF version ($ENV{ESP_IDF_VERSION})")
-    endif()
-
-    set(EXTRA_COMPONENT_DIRS
-        "Libraries/TactilityFreeRtos"
-        "Modules"
-        "Drivers"
-    )
-
-    set(COMPONENTS
-        TactilityFreeRtos
-        bm8563-module
-        bmi270-module
-        mpu6886-module
-        pi4ioe5v6408-module
-        qmi8658-module
-        rx8130ce-module
-    )
-
-endmacro()

Buildscripts/TactilitySDK/TactilitySDK.esp32.cmake

@@ -0,0 +1,62 @@
+function(tactility_project)
+endfunction()
+
+function(_tactility_project)
+endfunction()
+
+macro(tactility_project_pre project_name)
+    include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+    set(EXTRA_COMPONENT_DIRS ${TACTILITY_SDK_PATH} ${TACTILITY_SDK_PATH}/Modules)
+endmacro()
+
+macro(tactility_project_post project_name)
+    set(TACTILITY_SKIP_SPIFFS 1)
+
+    # Tactility's PanicHandler.cpp needs s0 to stay a frame pointer to capture a callstack for
+    # a RISC-V app's crashes, which GCC does not guarantee without this flag. The firmware sets the
+    # same flag for its own code, but a crash usually happens in app code, built separately here.
+    # Gated to RISC-V since Xtensa never reads s0 this way. idf_build_set_property(), not
+    # add_compile_options(): the app's code compiles as an idf_component_register() component
+    # (Apps/*/main/CMakeLists.txt), which reads ESP-IDF's own COMPILE_OPTIONS build property rather
+    # than plain directory-scoped flags. project_elf() below uses the same property for its own
+    # flags for the same reason.
+    if(CONFIG_IDF_TARGET_ARCH_RISCV)
+        idf_build_set_property(COMPILE_OPTIONS "-fno-omit-frame-pointer" APPEND)
+    endif()
+
+    include("${TACTILITY_SDK_PATH}/Libraries/elf_loader/elf_loader.cmake")
+    project_elf($project_name)
+
+    file(READ ${TACTILITY_SDK_PATH}/idf-version.txt TACTILITY_SDK_IDF_VERSION)
+    string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" TACTILITY_SDK_IDF_MAJOR_MINOR "${TACTILITY_SDK_IDF_VERSION}")
+    string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" CURRENT_IDF_MAJOR_MINOR "$ENV{ESP_IDF_VERSION}")
+    if (NOT "${CURRENT_IDF_MAJOR_MINOR}" STREQUAL "${TACTILITY_SDK_IDF_MAJOR_MINOR}")
+        message(FATAL_ERROR "ESP-IDF version of Tactility SDK (${TACTILITY_SDK_IDF_VERSION}) does not match current ESP-IDF version ($ENV{ESP_IDF_VERSION})")
+    endif()
+
+    set(EXTRA_COMPONENT_DIRS
+        "${TACTILITY_SDK_PATH}/Libraries/TactilityFreeRtos"
+        "${TACTILITY_SDK_PATH}/Modules"
+    )
+
+    set(COMPONENTS
+        TactilityFreeRtos
+        app-module
+        crypt-module
+        gps-module
+        lvgl-module
+        lvgl-window-manager-module
+        service-module
+    )
+
+endmacro()
+
+macro(tactility_component_register)
+    cmake_parse_arguments(TT_COMPONENT "" "" "SRCS;INCLUDE_DIRS;REQUIRES;PRIV_REQUIRES" ${ARGN})
+    idf_component_register(
+        SRCS ${TT_COMPONENT_SRCS}
+        INCLUDE_DIRS ${TT_COMPONENT_INCLUDE_DIRS}
+        REQUIRES TactilitySDK ${TT_COMPONENT_REQUIRES}
+        PRIV_REQUIRES ${TT_COMPONENT_PRIV_REQUIRES}
+    )
+endmacro()

Buildscripts/TactilitySDK/TactilitySDK.posix.cmake

@@ -0,0 +1,51 @@
+function(tactility_project)
+endfunction()
+
+function(_tactility_project)
+endfunction()
+
+macro(tactility_project_pre project_name)
+endmacro()
+
+macro(tactility_project_post project_name)
+    # The app's own library target is defined in a subdirectory (e.g. "main"); without this it
+    # would land nested under that subdirectory instead of directly in the build dir.
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
+
+    # Mirrors the ESP-IDF "TactilitySDK" component (Buildscripts/TactilitySDK/CMakeLists.txt):
+    # apps link against this single target instead of listing SDK include dirs themselves.
+    # Posix apps are dlopen()ed into a running Tactility process (see app-posix-module) and
+    # resolve symbols against Tactility's own copies at load time, so headers are all they need
+    # at compile time - no libraries to link.
+    add_library(TactilitySDK INTERFACE)
+    target_include_directories(TactilitySDK INTERFACE
+        ${TACTILITY_SDK_PATH}/Modules/app-module/include
+        ${TACTILITY_SDK_PATH}/Modules/crypt-module/include
+        ${TACTILITY_SDK_PATH}/Modules/gps-module/include
+        ${TACTILITY_SDK_PATH}/Modules/lvgl-module/include
+        ${TACTILITY_SDK_PATH}/Modules/lvgl-window-manager-module/include
+        ${TACTILITY_SDK_PATH}/Modules/service-module/include
+        ${TACTILITY_SDK_PATH}/Libraries/TactilityKernel/include
+        ${TACTILITY_SDK_PATH}/Libraries/lvgl/include
+        ${TACTILITY_SDK_PATH}/Libraries/FreeRTOS-Kernel/include
+        ${TACTILITY_SDK_PATH}/Libraries/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix
+        ${TACTILITY_SDK_PATH}/Libraries/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/utils
+    )
+    target_compile_definitions(TactilitySDK INTERFACE LV_LVGL_H_INCLUDE_SIMPLE)
+
+    # ESP-IDF's project() auto-discovers the "main" component; plain CMake doesn't.
+    add_subdirectory(main)
+endmacro()
+
+macro(tactility_component_register)
+    cmake_parse_arguments(TT_COMPONENT "" "" "SRCS;INCLUDE_DIRS;REQUIRES;PRIV_REQUIRES" ${ARGN})
+    # Must be a SHARED object, not a -pie executable: glibc's dlopen() unconditionally refuses
+    # any ET_DYN carrying the DF_1_PIE flag ("cannot dynamically load position-independent
+    # executable"), regardless of whether it has a dynamic-linker segment - verified empirically.
+    add_library(${PROJECT_NAME} SHARED ${TT_COMPONENT_SRCS})
+    target_link_libraries(${PROJECT_NAME} PRIVATE TactilitySDK)
+    set_target_properties(${PROJECT_NAME} PROPERTIES POSITION_INDEPENDENT_CODE ON)
+    if (TT_COMPONENT_INCLUDE_DIRS)
+        target_include_directories(${PROJECT_NAME} PRIVATE ${TT_COMPONENT_INCLUDE_DIRS})
+    endif ()
+endmacro()

Buildscripts/build-all.py

@@ -5,7 +5,6 @@ import time
 
 def build(device: str) -> bool:
     print(f"Building {device}...")
-    shutil.rmtree(os.path.join('Firmware', 'Generated'), ignore_errors=True)
     result = subprocess.run(['python', 'device.py', device], capture_output=True, text=True)
     if result.returncode != 0:
         print(f"Failed to select device {device}")

Buildscripts/generate-launcher-background.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+
+"""Convert an image to an uncompressed LVGL RGB565 launcher background."""
+
+import argparse
+import shutil
+import struct
+import subprocess
+from pathlib import Path
+
+
+LV_IMAGE_HEADER_MAGIC = 0x19
+LV_COLOR_FORMAT_RGB565 = 0x12
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(
+        description=(
+            "Create an uncompressed LVGL .bin image for "
+            "/sdcard/tactility/launcher/background.bin. Use a square image sized "
+            "to the display's longest edge to support both orientations without scaling "
+            "(for example, 320x320 for a 320x240 display)."
+        )
+    )
+    parser.add_argument("input", type=Path, help="Source image")
+    parser.add_argument("output", type=Path, help="Destination .bin file")
+    parser.add_argument("--width", type=int, required=True, help="Output width")
+    parser.add_argument("--height", type=int, required=True, help="Output height")
+    return parser.parse_args()
+
+
+def main() -> None:
+    args = parse_args()
+    if args.width <= 0 or args.width > 65535 or args.height <= 0 or args.height > 65535:
+        raise SystemExit("width and height must be between 1 and 65535")
+
+    magick = shutil.which("magick")
+    if magick is None:
+        raise SystemExit("ImageMagick is required (the 'magick' command was not found)")
+
+    command = [
+        magick,
+        str(args.input),
+        "-resize",
+        f"{args.width}x{args.height}^",
+        "-gravity",
+        "center",
+        "-extent",
+        f"{args.width}x{args.height}",
+        "-depth",
+        "8",
+        "rgb:-",
+    ]
+    rgb888 = subprocess.run(command, check=True, stdout=subprocess.PIPE).stdout
+    expected_size = args.width * args.height * 3
+    if len(rgb888) != expected_size:
+        raise SystemExit(f"unexpected ImageMagick output: {len(rgb888)} bytes, expected {expected_size}")
+
+    rgb565 = bytearray(args.width * args.height * 2)
+    for source_offset in range(0, len(rgb888), 3):
+        r, g, b = rgb888[source_offset : source_offset + 3]
+        pixel = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3)
+        destination_offset = (source_offset // 3) * 2
+        struct.pack_into("<H", rgb565, destination_offset, pixel)
+
+    stride = args.width * 2
+    header = struct.pack(
+        "<BBHHHHH",
+        LV_IMAGE_HEADER_MAGIC,
+        LV_COLOR_FORMAT_RGB565,
+        0,
+        args.width,
+        args.height,
+        stride,
+        0,
+    )
+
+    args.output.parent.mkdir(parents=True, exist_ok=True)
+    args.output.write_bytes(header + rgb565)
+    print(
+        f"Wrote {args.output} ({args.width}x{args.height}, "
+        f"{len(header) + len(rgb565)} bytes, uncompressed RGB565)"
+    )
+
+
+if __name__ == "__main__":
+    main()

Buildscripts/gh-generate-device-matrix.py

@@ -0,0 +1,57 @@
+import fnmatch
+import json
+import os
+import sys
+
+DEVICES_DIRECTORY = os.path.join(os.path.dirname(__file__), "..", "Devices")
+
+IGNORE_LIST = {
+    "simulator",
+    "generic-*",
+}
+
+
+def is_ignored(device_id):
+    return any(fnmatch.fnmatch(device_id, pattern) for pattern in IGNORE_LIST)
+
+def read_properties_file(path):
+    properties = {}
+    with open(path, "r") as file:
+        for line in file:
+            stripped = line.strip()
+            if not stripped or stripped.startswith("#"):
+                continue
+            key, sep, value = line.partition("=")
+            if not sep:
+                continue
+            properties[key.strip()] = value.strip()
+    return properties
+
+def get_board_entries():
+    boards = []
+    for device_id in sorted(os.listdir(DEVICES_DIRECTORY)):
+        if is_ignored(device_id):
+            continue
+        device_dir = os.path.join(DEVICES_DIRECTORY, device_id)
+        properties_path = os.path.join(device_dir, "device.properties")
+        if not os.path.isdir(device_dir) or not os.path.isfile(properties_path):
+            continue
+        properties = read_properties_file(properties_path)
+        target = properties.get("hardware.target")
+        if not target:
+            sys.exit(f"ERROR: {properties_path} has no hardware.target property")
+        boards.append({"id": device_id, "arch": target.lower()})
+    return boards
+
+def main():
+    matrix_json = json.dumps({"board": get_board_entries()})
+
+    github_output = os.environ.get("GITHUB_OUTPUT")
+    if github_output:
+        with open(github_output, "a") as file:
+            file.write(f"matrix={matrix_json}\n")
+    else:
+        print(matrix_json)
+
+if __name__ == "__main__":
+    main()

Buildscripts/module.cmake

@@ -2,6 +2,8 @@ if (COMMAND tactility_add_module)
     return()
 endif()
 
+cmake_minimum_required(VERSION 3.24)
+
 macro(tactility_get_module_name NAME OUT_NAME)
     if (DEFINED ENV{ESP_IDF_VERSION})
         set(${OUT_NAME} ${COMPONENT_LIB})
@@ -11,21 +13,35 @@ macro(tactility_get_module_name NAME OUT_NAME)
 endmacro()
 
 macro(tactility_add_module NAME)
-    set(options)
+    # WHOLE_ARCHIVE: force every object file in this module into the final link unconditionally,
+    # instead of only the ones some other already-scanned archive currently has a pending
+    # undefined reference to. Needed when this module provides symbols a component it depends on
+    # (e.g. lvgl__lvgl's custom-allocator hooks) calls back into - a reverse reference a normal
+    # single-pass static-archive link can't resolve, since that component is scanned after this
+    # one's archive has already been passed once.
+    set(options WHOLE_ARCHIVE)
     set(oneValueArgs)
     set(multiValueArgs SRCS INCLUDE_DIRS PRIV_INCLUDE_DIRS REQUIRES PRIV_REQUIRES)
     cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
     if (DEFINED ENV{ESP_IDF_VERSION})
+        # idf_component_register's WHOLE_ARCHIVE is a presence-based flag (no value) - only pass
+        # the token at all when requested, rather than passing ARG_WHOLE_ARCHIVE's TRUE/FALSE as
+        # a value, which idf_component_register doesn't expect.
+        set(whole_archive_arg)
+        if (ARG_WHOLE_ARCHIVE)
+            set(whole_archive_arg WHOLE_ARCHIVE)
+        endif()
         idf_component_register(
             SRCS ${ARG_SRCS}
             INCLUDE_DIRS ${ARG_INCLUDE_DIRS}
             PRIV_INCLUDE_DIRS ${ARG_PRIV_INCLUDE_DIRS}
             REQUIRES ${ARG_REQUIRES}
             PRIV_REQUIRES ${ARG_PRIV_REQUIRES}
+            ${whole_archive_arg}
         )
     else()
-        add_library(${NAME} OBJECT)
+        add_library(${NAME} STATIC)
         target_sources(${NAME} PRIVATE ${ARG_SRCS})
         target_include_directories(${NAME}
             PRIVATE ${ARG_PRIV_INCLUDE_DIRS}
@@ -33,5 +49,12 @@ macro(tactility_add_module NAME)
         )
         target_link_libraries(${NAME} PUBLIC ${ARG_REQUIRES})
         target_link_libraries(${NAME} PRIVATE ${ARG_PRIV_REQUIRES})
+        if (ARG_WHOLE_ARCHIVE)
+            # A static archive only pulls in object files that already have a pending undefined
+            # reference at the point the archive is scanned, so a plain link drops ${NAME}'s
+            # reverse dependencies (see WHOLE_ARCHIVE comment above). Make whoever links ${NAME}
+            # whole-archive it instead of just archive-pruning it.
+            set_property(TARGET ${NAME} APPEND PROPERTY INTERFACE_LINK_LIBRARIES $<LINK_LIBRARY:WHOLE_ARCHIVE,${NAME}>)
+        endif()
     endif()
 endmacro()

Buildscripts/properties.cmake

@@ -1,4 +1,11 @@
 function(GET_PROPERTY_VALUE PROPERTIES_CONTENT_VAR KEY_NAME RESULT_VAR)
+    # Optional 4th arg: default value returned when key is missing, instead of erroring.
+    set(has_default FALSE)
+    if (${ARGC} GREATER 3)
+        set(has_default TRUE)
+        set(default_value "${ARGV3}")
+    endif ()
+
     # Search for the key and its value in the properties content
     # Supports KEY=VALUE, KEY="VALUE", and optional spaces around =
     # Use parentheses to capture the value
@@ -6,6 +13,8 @@ function(GET_PROPERTY_VALUE PROPERTIES_CONTENT_VAR KEY_NAME RESULT_VAR)
     # So we look for the key at the beginning of the string or after a newline.
     if ("${${PROPERTIES_CONTENT_VAR}}" MATCHES "(^|\n)${KEY_NAME}[ \t]*=[ \t]*\"?([^\n\"]*)\"?")
         set(${RESULT_VAR} "${CMAKE_MATCH_2}" PARENT_SCOPE)
+    elseif (has_default)
+        set(${RESULT_VAR} "${default_value}" PARENT_SCOPE)
     else ()
         message(FATAL_ERROR "Property '${KEY_NAME}' not found in the properties content.")
     endif ()

Buildscripts/release-sdk-current.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 import os
+import platform
 import shutil
 import subprocess
 import sys
@@ -17,35 +18,24 @@ def get_idf_target():
         return None
     return None
 
-def main():
-    # 1. Get idf_target
-    idf_target = get_idf_target()
-    if not idf_target:
-        print("Could not determine IDF target from sdkconfig")
-        sys.exit(1)
-
-    # 2. Get version
+def get_version():
     try:
         with open("version.txt", "r") as f:
-            version = f.read().strip()
+            return f.read().strip()
     except FileNotFoundError:
         print("version.txt not found")
         sys.exit(1)
 
-    # 3. Construct sdk_path
-    # release/TactilitySDK/${version}-${idf_target}/TactilitySDK
-    sdk_path = os.path.join("release", "TactilitySDK", f"{version}-{idf_target}", "TactilitySDK")
-    
-    # 4. Cleanup sdk_path
+def run_release_script(script_name, sdk_path):
+    # Cleanup sdk_path
     if os.path.exists(sdk_path):
         print(f"Cleaning up {sdk_path}")
         shutil.rmtree(sdk_path)
 
     os.makedirs(sdk_path, exist_ok=True)
 
-    # 5. Call release-sdk.py
     # Note: Using sys.executable to ensure we use the same python interpreter
-    script_path = os.path.join("Buildscripts", "release-sdk.py")
+    script_path = os.path.join("Buildscripts", script_name)
     print(f"Running {script_path} {sdk_path}")
 
     result = subprocess.run([sys.executable, script_path, sdk_path])
@@ -54,5 +44,27 @@ def main():
         print(f"Error: {script_path} failed with return code {result.returncode}")
         sys.exit(result.returncode)
 
+def main():
+    version = get_version()
+
+    # ESP_IDF_VERSION is only set once an ESP-IDF environment has been activated (export.sh /
+    # the Windows PowerShell profile - see building.md); same check release-sdk-esp32.py and
+    # release-sdk-posix.py themselves use to tell the two builds apart.
+    esp_idf_version = os.environ.get("ESP_IDF_VERSION", "")
+
+    if esp_idf_version:
+        idf_target = get_idf_target()
+        if not idf_target:
+            print("Could not determine IDF target from sdkconfig")
+            sys.exit(1)
+        # release/TactilitySDK/${version}-${idf_target}/TactilitySDK
+        sdk_path = os.path.join("release", "TactilitySDK", f"{version}-{idf_target}", "TactilitySDK")
+        run_release_script("release-sdk-esp32.py", sdk_path)
+    else:
+        # release/TactilitySDK/${version}-posix-${arch}/TactilitySDK
+        arch = platform.machine()
+        sdk_path = os.path.join("release", "TactilitySDK", f"{version}-posix-{arch}", "TactilitySDK")
+        run_release_script("release-sdk-posix.py", sdk_path)
+
 if __name__ == "__main__":
     main()

Buildscripts/release-sdk-esp32.py

@@ -0,0 +1,126 @@
+#!/usr/bin/env python3
+
+import os
+import glob
+import subprocess
+import sys
+import importlib.util
+from textwrap import dedent
+
+_shared_spec = importlib.util.spec_from_file_location("release_sdk_shared", os.path.join("Buildscripts", "release-sdk-shared.py"))
+shared = importlib.util.module_from_spec(_shared_spec)
+_shared_spec.loader.exec_module(shared)
+
+def get_driver_mappings(driver_name):
+    return [
+        {'src': f'Drivers/{driver_name}/include/**', 'dst': f'Drivers/{driver_name}/include/'},
+        {'src': f'Drivers/{driver_name}/*.md', 'dst': f'Drivers/{driver_name}/'},
+        {'src': f'build/esp-idf/{driver_name}/lib{driver_name}.a', 'dst': f'Drivers/{driver_name}/binary/lib{driver_name}.a'},
+    ]
+
+def get_module_mappings(module_name):
+    return [
+        {'src': f'Modules/{module_name}/include/**', 'dst': f'Modules/{module_name}/include/'},
+        {'src': f'Modules/{module_name}/*.md', 'dst': f'Modules/{module_name}/'},
+        {'src': f'build/esp-idf/{module_name}/lib{module_name}.a', 'dst': f'Modules/{module_name}/binary/lib{module_name}.a'},
+    ]
+
+def create_module_cmakelists(module_name):
+    return dedent(f'''
+    cmake_minimum_required(VERSION 3.20)
+    idf_component_register(
+        INCLUDE_DIRS "include"
+    )
+    add_prebuilt_library({module_name} "binary/lib{module_name}.a")
+    ''')
+
+def driver_is_available(driver_name):
+    """
+    Some drivers only build for certain chip targets (e.g. sc2356-module is ESP32-P4 only,
+    since it depends on esp_video/esp_cam_sensor/PPA which are themselves chip-restricted).
+    Build output presence is the single source of truth for "does this driver support the
+    current target" - no separate manifest to keep in sync with the real CMakeLists.txt
+    REQUIRES/Kconfig guards.
+    """
+    binary_pattern = f'build/esp-idf/{driver_name}/lib{driver_name}.a'
+    return bool(glob.glob(binary_pattern))
+
+def add_driver(target_path, driver_name):
+    mappings = get_driver_mappings(driver_name)
+    shared.map_copy(mappings, target_path)
+    cmakelists_content = create_module_cmakelists(driver_name)
+    shared.write_module_cmakelists(os.path.join(target_path, f"Drivers/{driver_name}/CMakeLists.txt"), cmakelists_content)
+
+def add_module(target_path, module_name):
+    mappings = get_module_mappings(module_name)
+    shared.map_copy(mappings, target_path)
+    cmakelists_content = create_module_cmakelists(module_name)
+    shared.write_module_cmakelists(os.path.join(target_path, f"Modules/{module_name}/CMakeLists.txt"), cmakelists_content)
+
+def main():
+    if len(sys.argv) < 2:
+        print("Usage: release-sdk-esp32.py [target_path]")
+        print("Example: release-sdk-esp32.py release/TactilitySDK")
+        sys.exit(1)
+
+    esp_idf_version = os.environ.get("ESP_IDF_VERSION", "")
+    if not esp_idf_version:
+        print("Error: ESP_IDF_VERSION environment variable is not set")
+        sys.exit(1)
+
+    target_path = os.path.abspath(sys.argv[1])
+    os.makedirs(target_path, exist_ok=True)
+
+    # Mapping logic
+    mappings = [
+        {'src': 'version.txt', 'dst': ''},
+        # TactilityFreeRtos
+        {'src': 'TactilityFreeRtos/Include/**', 'dst': 'Libraries/TactilityFreeRtos/Include/'},
+        {'src': 'TactilityFreeRtos/CMakeLists.txt', 'dst': 'Libraries/TactilityFreeRtos/'},
+        {'src': 'TactilityFreeRtos/LICENSE*.*', 'dst': 'Libraries/TactilityFreeRtos/'},
+        # TactilityKernel
+        {'src': 'build/esp-idf/TactilityKernel/libTactilityKernel.a', 'dst': 'Libraries/TactilityKernel/binary/'},
+        {'src': 'TactilityKernel/include/**', 'dst': 'Libraries/TactilityKernel/include/'},
+        {'src': 'TactilityKernel/CMakeLists.txt', 'dst': 'Libraries/TactilityKernel/'},
+        {'src': 'TactilityKernel/*.md', 'dst': 'Libraries/TactilityKernel/'},
+        # lvgl (basics)
+        {'src': 'build/esp-idf/lvgl__lvgl/liblvgl__lvgl.a', 'dst': 'Libraries/lvgl/binary/liblvgl.a'},
+        {'src': 'Libraries/lvgl/lvgl.h', 'dst': 'Libraries/lvgl/include/'},
+        {'src': 'Libraries/lvgl/lv_version.h', 'dst': 'Libraries/lvgl/include/'},
+        {'src': 'Libraries/lvgl/LICENCE*.*', 'dst': 'Libraries/lvgl/'},
+        {'src': 'Libraries/lvgl/src/lv_conf_kconfig.h', 'dst': 'Libraries/lvgl/include/lv_conf.h'},
+        {'src': 'Libraries/lvgl/src/**/*.h', 'dst': 'Libraries/lvgl/include/src/'},
+        # elf_loader
+        {'src': 'managed_components/espressif__elf_loader/*.cmake', 'dst': 'Libraries/elf_loader/'},
+        {'src': 'managed_components/espressif__elf_loader/*.lf', 'dst': 'Libraries/elf_loader/'},
+        {'src': 'managed_components/espressif__elf_loader/license.txt', 'dst': 'Libraries/elf_loader/'},
+        # minitar
+        {'src': 'build/esp-idf/minitar/libminitar.a', 'dst': 'Libraries/minitar/binary/'},
+        {'src': 'Libraries/minitar/minitar/minitar.h', 'dst': 'Libraries/minitar/include/'},
+        {'src': 'Libraries/minitar/minitar/LICENSE*', 'dst': 'Libraries/minitar/'},
+        # minmea
+        {'src': 'build/esp-idf/minmea/libminmea.a', 'dst': 'Libraries/minmea/binary/'},
+        {'src': 'Libraries/minmea/Include/**', 'dst': 'Libraries/minmea/include/'},
+        {'src': 'Libraries/minmea/CMakeLists.txt', 'dst': 'Libraries/minmea/'},
+        {'src': 'Libraries/minmea/README.md', 'dst': 'Libraries/minmea/'},
+        {'src': 'Libraries/minmea/LICENSE*.*', 'dst': 'Libraries/minmea/'},
+        {'src': 'Libraries/minmea/COPYING', 'dst': 'Libraries/minmea/'},
+    ]
+
+    shared.map_copy(mappings, target_path)
+
+    # Modules
+    module_names = shared.read_module_list(os.path.join('Buildscripts', 'release-sdk-modules.txt'))
+    for module_name in module_names:
+        add_module(target_path, module_name)
+
+    # Final scripts - copied verbatim
+    shared.generate_tactility_sdk_cmake(target_path, 'esp32')
+    shared.generate_tactility_sdk_top_cmakelists(target_path)
+
+    # Output ESP-IDF SDK version to file
+    with open(os.path.join(target_path, "idf-version.txt"), "a") as f:
+        f.write(esp_idf_version)
+
+if __name__ == "__main__":
+    main()

Buildscripts/release-sdk-modules.txt

@@ -0,0 +1,7 @@
+app-module
+crypt-module
+gps-module
+http-module
+lvgl-module
+lvgl-window-manager-module
+service-module

Buildscripts/release-sdk-posix.py

@@ -0,0 +1,101 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import importlib.util
+from textwrap import dedent
+
+_shared_spec = importlib.util.spec_from_file_location("release_sdk_shared", os.path.join("Buildscripts", "release-sdk-shared.py"))
+shared = importlib.util.module_from_spec(_shared_spec)
+_shared_spec.loader.exec_module(shared)
+
+def get_module_mappings(module_name):
+    return [
+        {'src': f'Modules/{module_name}/include/**', 'dst': f'Modules/{module_name}/include/'},
+        {'src': f'Modules/{module_name}/*.md', 'dst': f'Modules/{module_name}/'},
+        {'src': f'buildsim/Modules/{module_name}/lib{module_name}.a', 'dst': f'Modules/{module_name}/binary/lib{module_name}.a'},
+    ]
+
+def create_module_cmakelists(module_name):
+    return dedent(f'''
+    cmake_minimum_required(VERSION 3.20)
+    add_library({module_name} STATIC IMPORTED)
+    set_target_properties({module_name} PROPERTIES
+        IMPORTED_LOCATION "${{CMAKE_CURRENT_LIST_DIR}}/binary/lib{module_name}.a"
+        INTERFACE_INCLUDE_DIRECTORIES "${{CMAKE_CURRENT_LIST_DIR}}/include"
+    )
+    ''')
+
+def add_module(target_path, module_name):
+    mappings = get_module_mappings(module_name)
+    shared.map_copy(mappings, target_path)
+    cmakelists_content = create_module_cmakelists(module_name)
+    shared.write_module_cmakelists(os.path.join(target_path, f"Modules/{module_name}/CMakeLists.txt"), cmakelists_content)
+
+def main():
+    if len(sys.argv) < 2:
+        print("Usage: release-sdk-posix.py [target_path]")
+        print("Example: release-sdk-posix.py release/TactilitySDK")
+        sys.exit(1)
+
+    esp_idf_version = os.environ.get("ESP_IDF_VERSION", "")
+    if esp_idf_version:
+        print("Error: ESP_IDF_VERSION environment variable is set - this script packages the POSIX/simulator build, run it outside an ESP-IDF environment")
+        sys.exit(1)
+
+    target_path = os.path.abspath(sys.argv[1])
+    os.makedirs(target_path, exist_ok=True)
+
+    # Mapping logic
+    mappings = [
+        {'src': 'version.txt', 'dst': ''},
+        # TactilityFreeRtos
+        {'src': 'TactilityFreeRtos/Include/**', 'dst': 'Libraries/TactilityFreeRtos/Include/'},
+        {'src': 'TactilityFreeRtos/CMakeLists.txt', 'dst': 'Libraries/TactilityFreeRtos/'},
+        {'src': 'TactilityFreeRtos/LICENSE*.*', 'dst': 'Libraries/TactilityFreeRtos/'},
+        # TactilityKernel
+        {'src': 'buildsim/TactilityKernel/libTactilityKernel.a', 'dst': 'Libraries/TactilityKernel/binary/'},
+        {'src': 'TactilityKernel/include/**', 'dst': 'Libraries/TactilityKernel/include/'},
+        {'src': 'TactilityKernel/CMakeLists.txt', 'dst': 'Libraries/TactilityKernel/'},
+        {'src': 'TactilityKernel/*.md', 'dst': 'Libraries/TactilityKernel/'},
+        # FreeRTOS-Kernel - TactilityKernel's public headers (tactility/freertos/*.h) include the
+        # real FreeRTOS.h/task.h/etc directly, unlike ESP32 where ESP-IDF's own "freertos"
+        # component and Kconfig-generated FreeRTOSConfig.h are already part of every project.
+        {'src': 'Libraries/FreeRTOS-Kernel/include/**', 'dst': 'Libraries/FreeRTOS-Kernel/include/'},
+        {'src': 'Libraries/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/*.h', 'dst': 'Libraries/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/'},
+        {'src': 'Libraries/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/utils/*.h', 'dst': 'Libraries/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/utils/'},
+        {'src': 'Libraries/FreeRTOS-Kernel/LICENSE*.*', 'dst': 'Libraries/FreeRTOS-Kernel/'},
+        {'src': 'Devices/simulator/Source/FreeRTOSConfig.h', 'dst': 'Libraries/FreeRTOS-Kernel/include/'},
+        # lvgl (basics)
+        {'src': 'buildsim/Libraries/lvgl/lib/liblvgl.a', 'dst': 'Libraries/lvgl/binary/liblvgl.a'},
+        {'src': 'Libraries/lvgl/lvgl.h', 'dst': 'Libraries/lvgl/include/'},
+        {'src': 'Libraries/lvgl/lv_version.h', 'dst': 'Libraries/lvgl/include/'},
+        {'src': 'Libraries/lvgl/LICENCE*.*', 'dst': 'Libraries/lvgl/'},
+        {'src': 'lv_conf.h', 'dst': 'Libraries/lvgl/include/'},
+        {'src': 'Libraries/lvgl/src/**/*.h', 'dst': 'Libraries/lvgl/include/src/'},
+        # minitar
+        {'src': 'buildsim/Libraries/minitar/libminitar.a', 'dst': 'Libraries/minitar/binary/'},
+        {'src': 'Libraries/minitar/minitar/minitar.h', 'dst': 'Libraries/minitar/include/'},
+        {'src': 'Libraries/minitar/minitar/LICENSE*', 'dst': 'Libraries/minitar/'},
+        # minmea
+        {'src': 'buildsim/Libraries/minmea/libminmea.a', 'dst': 'Libraries/minmea/binary/'},
+        {'src': 'Libraries/minmea/Include/**', 'dst': 'Libraries/minmea/include/'},
+        {'src': 'Libraries/minmea/CMakeLists.txt', 'dst': 'Libraries/minmea/'},
+        {'src': 'Libraries/minmea/README.md', 'dst': 'Libraries/minmea/'},
+        {'src': 'Libraries/minmea/LICENSE*.*', 'dst': 'Libraries/minmea/'},
+        {'src': 'Libraries/minmea/COPYING', 'dst': 'Libraries/minmea/'},
+    ]
+
+    shared.map_copy(mappings, target_path)
+
+    # Modules
+    module_names = shared.read_module_list(os.path.join('Buildscripts', 'release-sdk-modules.txt'))
+    for module_name in module_names:
+        add_module(target_path, module_name)
+
+    # Final scripts - copied verbatim
+    shared.generate_tactility_sdk_cmake(target_path, 'posix')
+    shared.generate_tactility_sdk_top_cmakelists(target_path)
+
+if __name__ == "__main__":
+    main()

Buildscripts/release-sdk-shared.py

@@ -0,0 +1,91 @@
+#!/usr/bin/env python3
+
+# Functions shared between release-sdk-esp32.py and release-sdk-posix.py. Not runnable on its
+# own; loaded by those scripts via importlib (its hyphenated filename isn't a valid Python
+# module name for a plain "import").
+
+import os
+import shutil
+import glob
+import sys
+
+def map_copy(mappings, target_base):
+    """
+    Helper function to map input files/directories to output files/directories.
+    mappings: list of dicts with 'src' (glob pattern) and 'dst' (relative to target_base or absolute)
+    'src' can be a single file or a directory (if it ends with /).
+    """
+    for mapping in mappings:
+        src_pattern = mapping['src']
+        dst_rel = mapping['dst']
+        dst_path = os.path.join(target_base, dst_rel)
+
+        # To preserve directory structure, we need to know where the wildcard starts
+        # or have a way to determine the "base" of the search.
+        # We'll split the pattern into a fixed base and a pattern part.
+
+        # Simple heuristic: find the first occurrence of '*' or '?'
+        wildcard_idx = -1
+        for i, char in enumerate(src_pattern):
+            if char in '*?':
+                wildcard_idx = i
+                break
+
+        if wildcard_idx != -1:
+            # Found a wildcard. The base is the directory containing it.
+            pattern_base = os.path.dirname(src_pattern[:wildcard_idx])
+        else:
+            # No wildcard. If it's a directory, we might want to preserve its name?
+            # For now, let's treat no-wildcard as no relative structure needed.
+            pattern_base = None
+
+        src_files = glob.glob(src_pattern, recursive=True)
+        if not src_files:
+            continue
+
+        for src in src_files:
+            if os.path.isdir(src):
+                continue
+
+            if pattern_base and src.startswith(pattern_base):
+                # Calculate relative path from the base of the glob pattern
+                rel_src = os.path.relpath(src, pattern_base)
+                # If dst_rel ends with /, it's a target directory
+                if dst_rel.endswith('/') or os.path.isdir(dst_path):
+                    final_dst = os.path.join(dst_path, rel_src)
+                else:
+                    # If dst_rel is a file, we can't really preserve structure
+                    # unless we join it. But usually it's a dir if structure is preserved.
+                    final_dst = dst_path
+            else:
+                final_dst = dst_path if not (dst_rel.endswith('/') or os.path.isdir(dst_path)) else os.path.join(dst_path, os.path.basename(src))
+
+            os.makedirs(os.path.dirname(final_dst), exist_ok=True)
+            shutil.copy2(src, final_dst)
+
+def write_module_cmakelists(path, content):
+    with open(path, 'w') as f:
+        f.write(content)
+
+def read_module_list(path):
+    """Reads a newline-separated module name list, skipping empty lines, and checks that each
+    named module actually exists under Modules/ - exits the process with an error if not."""
+    with open(path, 'r') as f:
+        module_names = [line.strip() for line in f if line.strip()]
+
+    for module_name in module_names:
+        if not os.path.isdir(os.path.join('Modules', module_name)):
+            print(f"Error: Modules/{module_name} does not exist (listed in {path})")
+            sys.exit(1)
+
+    return module_names
+
+def generate_tactility_sdk_cmake(target_path, variant):
+    """variant selects Buildscripts/TactilitySDK/TactilitySDK.{variant}.cmake (e.g. "esp32" or
+    "posix") - always copied into the SDK as the platform-neutral name TactilitySDK.cmake."""
+    src = os.path.join('Buildscripts', 'TactilitySDK', f'TactilitySDK.{variant}.cmake')
+    shutil.copy2(src, os.path.join(target_path, 'TactilitySDK.cmake'))
+
+def generate_tactility_sdk_top_cmakelists(target_path):
+    src = os.path.join('Buildscripts', 'TactilitySDK', 'CMakeLists.txt')
+    shutil.copy2(src, os.path.join(target_path, 'CMakeLists.txt'))

Buildscripts/release-sdk.py

@@ -1,163 +0,0 @@
-#!/usr/bin/env python3
-
-import os
-import shutil
-import glob
-import subprocess
-import sys
-from textwrap import dedent
-
-def map_copy(mappings, target_base):
-    """
-    Helper function to map input files/directories to output files/directories.
-    mappings: list of dicts with 'src' (glob pattern) and 'dst' (relative to target_base or absolute)
-    'src' can be a single file or a directory (if it ends with /).
-    """
-    for mapping in mappings:
-        src_pattern = mapping['src']
-        dst_rel = mapping['dst']
-        dst_path = os.path.join(target_base, dst_rel)
-
-        # To preserve directory structure, we need to know where the wildcard starts
-        # or have a way to determine the "base" of the search.
-        # We'll split the pattern into a fixed base and a pattern part.
-        
-        # Simple heuristic: find the first occurrence of '*' or '?'
-        wildcard_idx = -1
-        for i, char in enumerate(src_pattern):
-            if char in '*?':
-                wildcard_idx = i
-                break
-        
-        if wildcard_idx != -1:
-            # Found a wildcard. The base is the directory containing it.
-            pattern_base = os.path.dirname(src_pattern[:wildcard_idx])
-        else:
-            # No wildcard. If it's a directory, we might want to preserve its name?
-            # For now, let's treat no-wildcard as no relative structure needed.
-            pattern_base = None
-
-        src_files = glob.glob(src_pattern, recursive=True)
-        if not src_files:
-            continue
-
-        for src in src_files:
-            if os.path.isdir(src):
-                continue
-            
-            if pattern_base and src.startswith(pattern_base):
-                # Calculate relative path from the base of the glob pattern
-                rel_src = os.path.relpath(src, pattern_base)
-                # If dst_rel ends with /, it's a target directory
-                if dst_rel.endswith('/') or os.path.isdir(dst_path):
-                    final_dst = os.path.join(dst_path, rel_src)
-                else:
-                    # If dst_rel is a file, we can't really preserve structure 
-                    # unless we join it. But usually it's a dir if structure is preserved.
-                    final_dst = dst_path
-            else:
-                final_dst = dst_path if not (dst_rel.endswith('/') or os.path.isdir(dst_path)) else os.path.join(dst_path, os.path.basename(src))
-
-            os.makedirs(os.path.dirname(final_dst), exist_ok=True)
-            shutil.copy2(src, final_dst)
-            
-def get_driver_mappings(driver_name):
-    return [
-        {'src': f'Drivers/{driver_name}/include/**', 'dst': f'Drivers/{driver_name}/include/'},
-        {'src': f'Drivers/{driver_name}/*.md', 'dst': f'Drivers/{driver_name}/'},
-        {'src': f'build/esp-idf/{driver_name}/lib{driver_name}.a', 'dst': f'Drivers/{driver_name}/binary/lib{driver_name}.a'},
-    ]
-
-def get_module_mappings(module_name):
-    return [
-        {'src': f'Modules/{module_name}/include/**', 'dst': f'Modules/{module_name}/include/'},
-        {'src': f'Modules/{module_name}/*.md', 'dst': f'Modules/{module_name}/'},
-        {'src': f'build/esp-idf/{module_name}/lib{module_name}.a', 'dst': f'Modules/{module_name}/binary/lib{module_name}.a'},
-    ]
-
-def create_module_cmakelists(module_name):
-    return dedent(f'''
-    cmake_minimum_required(VERSION 3.20)
-    idf_component_register(
-        INCLUDE_DIRS "include"
-    )
-    add_prebuilt_library({module_name} "binary/lib{module_name}.a")
-    '''.format(module_name=module_name))
-
-def write_module_cmakelists(path, content):
-    with open(path, 'w') as f:
-        f.write(content)
-
-def add_driver(target_path, driver_name):
-    mappings = get_driver_mappings(driver_name)
-    map_copy(mappings, target_path)
-    cmakelists_content = create_module_cmakelists(driver_name)
-    write_module_cmakelists(os.path.join(target_path, f"Drivers/{driver_name}/CMakeLists.txt"), cmakelists_content)
-
-def add_module(target_path, module_name):
-    mappings = get_module_mappings(module_name)
-    map_copy(mappings, target_path)
-    cmakelists_content = create_module_cmakelists(module_name)
-    write_module_cmakelists(os.path.join(target_path, f"Modules/{module_name}/CMakeLists.txt"), cmakelists_content)
-
-def main():
-    if len(sys.argv) < 2:
-        print("Usage: release-sdk.py [target_path]")
-        print("Example: release-sdk.py release/TactilitySDK")
-        sys.exit(1)
-
-    target_path = os.path.abspath(sys.argv[1])
-    os.makedirs(target_path, exist_ok=True)
-
-    # Mapping logic
-    mappings = [
-        {'src': 'version.txt', 'dst': ''},
-        # TactilityC
-        {'src': 'build/esp-idf/TactilityC/libTactilityC.a', 'dst': 'Libraries/TactilityC/binary/'},
-        {'src': 'TactilityC/Include/*', 'dst': 'Libraries/TactilityC/include/'},
-        {'src': 'TactilityC/CMakeLists.txt', 'dst': 'Libraries/TactilityC/'},
-        {'src': 'TactilityC/LICENSE*.*', 'dst': 'Libraries/TactilityC/'},
-        # TactilityFreeRtos
-        {'src': 'TactilityFreeRtos/Include/**', 'dst': 'Libraries/TactilityFreeRtos/include/'},
-        {'src': 'TactilityFreeRtos/CMakeLists.txt', 'dst': 'Libraries/TactilityFreeRtos/'},
-        {'src': 'TactilityFreeRtos/LICENSE*.*', 'dst': 'Libraries/TactilityFreeRtos/'},
-        # TactilityKernel
-        {'src': 'build/esp-idf/TactilityKernel/libTactilityKernel.a', 'dst': 'Libraries/TactilityKernel/binary/'},
-        {'src': 'TactilityKernel/include/**', 'dst': 'Libraries/TactilityKernel/include/'},
-        {'src': 'TactilityKernel/CMakeLists.txt', 'dst': 'Libraries/TactilityKernel/'},
-        {'src': 'TactilityKernel/*.md', 'dst': 'Libraries/TactilityKernel/'},
-        # lvgl (basics)
-        {'src': 'build/esp-idf/lvgl__lvgl/liblvgl__lvgl.a', 'dst': 'Libraries/lvgl/binary/liblvgl.a'},
-        {'src': 'Libraries/lvgl/lvgl.h', 'dst': 'Libraries/lvgl/include/'},
-        {'src': 'Libraries/lvgl/lv_version.h', 'dst': 'Libraries/lvgl/include/'},
-        {'src': 'Libraries/lvgl/LICENCE*.*', 'dst': 'Libraries/lvgl/'},
-        {'src': 'Libraries/lvgl/src/lv_conf_kconfig.h', 'dst': 'Libraries/lvgl/include/lv_conf.h'},
-        {'src': 'Libraries/lvgl/src/**/*.h', 'dst': 'Libraries/lvgl/include/src/'},
-        # elf_loader
-        {'src': 'Libraries/elf_loader/elf_loader.cmake', 'dst': 'Libraries/elf_loader/'},
-        {'src': 'Libraries/elf_loader/license.txt', 'dst': 'Libraries/elf_loader/'},
-        # Final scripts
-        {'src': 'Buildscripts/TactilitySDK/TactilitySDK.cmake', 'dst': ''},
-        {'src': 'Buildscripts/TactilitySDK/CMakeLists.txt', 'dst': ''},
-    ]
-
-    map_copy(mappings, target_path)
-
-    # Modules
-    add_module(target_path, "lvgl-module")
-
-    # Drivers
-    add_driver(target_path, "bm8563-module")
-    add_driver(target_path, "bmi270-module")
-    add_driver(target_path, "mpu6886-module")
-    add_driver(target_path, "pi4ioe5v6408-module")
-    add_driver(target_path, "qmi8658-module")
-    add_driver(target_path, "rx8130ce-module")
-
-    # Output ESP-IDF SDK version to file
-    esp_idf_version = os.environ.get("ESP_IDF_VERSION", "")
-    with open(os.path.join(target_path, "idf-version.txt"), "a") as f:
-        f.write(esp_idf_version)
-
-if __name__ == "__main__":
-    main()

Buildscripts/release-simulator.sh

@@ -9,9 +9,9 @@
 build_path=$1
 target_path=$2
 
-mkdir -p $target_path
+mkdir -p "$target_path"
 
-cp version.txt $target_path
-cp $build_path/Firmware/FirmwareSim $target_path/
-cp -r Data/data $target_path/
-cp -r Data/system $target_path/
+cp version.txt "$target_path"
+cp "$build_path/Tactility/Tactility" "$target_path/"
+cp -r Data/data "$target_path/"
+cp -r Data/system "$target_path/"

Buildscripts/sdkconfig/default.properties

@@ -1,6 +1,6 @@
 # Increase stack size for Wi-Fi (fixes crash after scan)
 CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=3072
-# Ensure large enough stack for network operations
+# Ensure large enough stack for network operations (e.g. AppHub)
 CONFIG_ESP_MAIN_TASK_STACK_SIZE=6144
 # Fixes static assertion: FLASH and PSRAM Mode configuration are not supported
 CONFIG_IDF_EXPERIMENTAL_FEATURES=y
@@ -11,6 +11,12 @@ CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
 # EmbedTLS
 # Use TLS 1.2 because 1.3 conflicts with MbedTLS dynamic buffer
 CONFIG_MBEDTLS_SSL_PROTO_TLS1_2=y
+# Frees TLS IN/OUT buffers between reads/writes instead of holding them for the whole session.
+# Internal-RAM-only devices need this: mbedtls_ssl_setup() otherwise fails with ALLOC_FAILED
+# (-0x7F00).
+# Keep MBEDTLS_SSL_IN_CONTENT_LEN at its 16384 default: servers may send TLS records up to that
+# size, and a smaller buffer fails mid-transfer with MBEDTLS_ERR_SSL_INVALID_RECORD (-0x7200).
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
 # LVGL
 CONFIG_LV_USE_USER_DATA=y
 CONFIG_LV_USE_FS_STDIO=y
@@ -19,13 +25,18 @@ CONFIG_LV_FS_STDIO_PATH=""
 CONFIG_LV_FS_STDIO_CACHE_SIZE=4096
 CONFIG_LV_USE_LODEPNG=y
 CONFIG_LV_USE_BUILTIN_MALLOC=n
-CONFIG_LV_USE_CLIB_MALLOC=y
+# Routes lv_malloc/realloc/free through Modules/lvgl-module/source/lv_mem_custom.c, which prefers
+# PSRAM (falls back to internal RAM automatically) instead of a fixed-size pool or plain malloc.
+CONFIG_LV_USE_CUSTOM_MALLOC=y
 CONFIG_LV_USE_MSGBOX=n
 CONFIG_LV_USE_SPINNER=n
 CONFIG_LV_USE_WIN=n
 CONFIG_LV_USE_SNAPSHOT=y
 CONFIG_LV_BUILD_EXAMPLES=n
 CONFIG_LV_BUILD_DEMOS=n
+# Slot 0 is reserved by ESP-IDF's pthread API (see esp_wifi/lwip pthread_getspecific usage).
+# Tactility's Thread wrappers use slot 1 for their own self-pointer.
+CONFIG_FREERTOS_THREAD_LOCAL_STORAGE_POINTERS=2
 CONFIG_FREERTOS_HZ=1000
 CONFIG_FREERTOS_TASK_NOTIFICATION_ARRAY_ENTRIES=2
 CONFIG_FREERTOS_SMP=n
@@ -41,6 +52,11 @@ CONFIG_WL_SECTOR_MODE_SAFE=y
 CONFIG_WL_SECTOR_MODE=1
 # Allow new i2c_master API (used by Tab5Keyboard for LP_I2C_NUM_0) to coexist with legacy i2c driver
 CONFIG_I2C_SKIP_LEGACY_CONFLICT_CHECK=y
+# Allow new adc_oneshot API (esp32_adc_oneshot kernel driver, linked into every device via
+# platform-esp32) to coexist with boards still reading battery voltage via the legacy ADC driver
+# (e.g. m5stack-cardputer, m5stack-cardputer-adv, lilygo-thmi). Only one API is ever actually used
+# per board at runtime, so this just bypasses ESP-IDF's link-time-only conflict abort.
+CONFIG_ADC_SKIP_LEGACY_CONFLICT_CHECK=y
 # Wi-Fi memory optimizations
 CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=3
 CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=5

CLAUDE.md

@@ -1 +0,0 @@
-Documentation/README.md

CMakeLists.txt

@@ -33,19 +33,23 @@ if (DEFINED ENV{ESP_IDF_VERSION})
     message("Using ESP-IDF ${Cyan}v$ENV{ESP_IDF_VERSION}${ColorReset}")
     include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 
-    set(COMPONENTS Firmware)
+    set(COMPONENTS Tactility)
     set(EXTRA_COMPONENT_DIRS
-        "Firmware"
+        # Tactility must be discovered first: its CMakeLists.txt calls init_tactility_globals(),
+        # which other components' CMakeLists.txt (e.g. lvgl-module) rely on having already run to
+        # read back TACTILITY_DEVICE_ID/TACTILITY_DEVICE_PROJECT via get_property(). ESP-IDF's
+        # requirements-discovery pass processes EXTRA_COMPONENT_DIRS in an isolated sub-process, in
+        # the order listed here, so this must stay first now that Firmware no longer exists as a
+        # separate component.
+        "Tactility"
         "Devices/${TACTILITY_DEVICE_PROJECT}"
         "Drivers"
         "Modules"
         "Platforms/platform-esp32"
         "TactilityKernel"
-        "Tactility"
-        "TactilityC"
-        "TactilityCore"
+        "TactilityKernelCpp"
         "TactilityFreeRtos"
-        "Libraries/elf_loader"
+        "Libraries/esp_epaper"
         "Libraries/lv_screenshot"
         "Libraries/minitar"
         "Libraries/minmea"
@@ -54,10 +58,13 @@ if (DEFINED ENV{ESP_IDF_VERSION})
 
     set(EXCLUDE_COMPONENTS "Simulator")
 
-    # Panic handler wrapping is only available on Xtensa architecture
-    if (CONFIG_IDF_TARGET_ARCH_XTENSA)
+    # panic_info_t is architecture-independent (esp_private/panic_internal.h) so this wrap applies
+    # to every target; PanicHandler.cpp branches internally per architecture.
     idf_build_set_property(LINK_OPTIONS "-Wl,--wrap=esp_panic_handler" APPEND)
-    endif ()
+
+    idf_build_set_property(LINK_OPTIONS "-Wl,--wrap=read" APPEND)
+    idf_build_set_property(LINK_OPTIONS "-Wl,--wrap=write" APPEND)
+    idf_build_set_property(LINK_OPTIONS "-Wl,--wrap=close" APPEND)
 
     idf_build_set_property(LINK_OPTIONS "-Wl,--wrap=lv_button_create" APPEND)
     idf_build_set_property(LINK_OPTIONS "-Wl,--wrap=lv_dropdown_create" APPEND)
@@ -70,23 +77,39 @@ if (DEFINED ENV{ESP_IDF_VERSION})
 
 else ()
     message("Building for sim target")
+    # eps-idf generates these from Kconfig, but posix build isn't set up with Kconfig.
     add_compile_definitions(CONFIG_TT_DEVICE_ID="simulator")
     add_compile_definitions(CONFIG_TT_DEVICE_NAME="Simulator")
     add_compile_definitions(CONFIG_TT_DEVICE_VENDOR="")
     add_compile_definitions(CONFIG_TT_DEVICE_NAME_SIMPLE="Simulator")
-    add_compile_definitions(CONFIG_TT_LAUNCHER_APP_ID="Launcher")
+    add_compile_definitions(CONFIG_TT_LAUNCHER_APP_ID="tactility.launcher")
     add_compile_definitions(CONFIG_TT_AUTO_START_APP_ID="")
     add_compile_definitions(CONFIG_TT_USER_DATA_LOCATION_INTERNAL)
 endif ()
 
 project(Tactility)
 
+if (DEFINED ENV{ESP_IDF_VERSION})
+    # PanicHandler.cpp's RISC-V callstack walker requires s0 to stay a frame pointer, which GCC
+    # does not guarantee without this flag. CONFIG_ESP_SYSTEM_USE_FRAME_POINTER does not add it
+    # (it only selects which ESP-IDF backtrace-printing function gets compiled), and can't be used
+    # instead: the bootloader shares this project's sdkconfig with no per-subproject override, and
+    # enabling it there overflows the bootloader's fixed partition budget. Setting the flag here via
+    # idf_build_set_property() only affects this project's own configure, not the bootloader's
+    # separate one, so it's naturally excluded. Gated to RISC-V since Xtensa never reads s0 this way.
+    # Must run after project(Tactility) above - project() initializes default build specifications
+    # that would otherwise overwrite this.
+    if(CONFIG_IDF_TARGET_ARCH_RISCV)
+        idf_build_set_property(COMPILE_OPTIONS "-fno-omit-frame-pointer" APPEND)
+    endif()
+endif ()
+
 # Defined as regular project for PC and component for ESP
 if (NOT DEFINED ENV{ESP_IDF_VERSION})
     add_subdirectory(Tactility)
-    add_subdirectory(TactilityCore)
     add_subdirectory(TactilityFreeRtos)
     add_subdirectory(TactilityKernel)
+    add_subdirectory(TactilityKernelCpp)
     add_subdirectory(Platforms/platform-posix)
     add_subdirectory(Devices/simulator)
     add_subdirectory(Libraries/cJSON)
@@ -94,8 +117,22 @@ if (NOT DEFINED ENV{ESP_IDF_VERSION})
     add_subdirectory(Libraries/QRCode)
     add_subdirectory(Libraries/minitar)
     add_subdirectory(Libraries/minmea)
-    add_subdirectory(Modules/hal-device-module)
     add_subdirectory(Modules/lvgl-module)
+    add_subdirectory(Modules/c-symbols-module)
+    add_subdirectory(Modules/cpp-symbols-module)
+    add_subdirectory(Modules/crypt-module)
+    add_subdirectory(Modules/freertos-module)
+    add_subdirectory(Modules/gps-module)
+    add_subdirectory(Modules/http-module)
+    add_subdirectory(Modules/mbedtls-module)
+    add_subdirectory(Modules/posix-symbols-module)
+    add_subdirectory(Modules/pthread-module)
+    add_subdirectory(Modules/service-module)
+    add_subdirectory(Modules/app-module)
+    add_subdirectory(Modules/app-posix-module)
+    add_subdirectory(Modules/lvgl-window-manager-module)
+    add_subdirectory(Drivers/gps-generic-module)
+    add_subdirectory(Drivers/gps-meshtastic-module)
 
     # FreeRTOS
     set(FREERTOS_CONFIG_FILE_DIRECTORY ${PROJECT_SOURCE_DIR}/Devices/simulator/Source CACHE STRING "")
@@ -119,9 +156,6 @@ if (NOT DEFINED ENV{ESP_IDF_VERSION})
     add_subdirectory(Libraries/lvgl) # Added as idf component for ESP and as library for other targets
     target_link_libraries(lvgl PRIVATE SDL2-static)
 
-    # Sim app
-    add_subdirectory(Firmware)
-
     # Tests
     add_subdirectory(Tests)
 

Devices/btt-panda-touch/CMakeLists.txt

@@ -1,7 +1,7 @@
-file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+file(GLOB_RECURSE SOURCE_FILES source/*.c*)
 
 idf_component_register(
     SRCS ${SOURCE_FILES}
-    INCLUDE_DIRS "Source"
-    REQUIRES Tactility esp_lvgl_port esp_lcd RgbDisplay GT911 PwmBacklight driver vfs fatfs
+    INCLUDE_DIRS "source"
+    REQUIRES TactilityKernel
 )

Devices/btt-panda-touch/Source/Configuration.cpp

@@ -1,31 +0,0 @@
-#include <PwmBacklight.h>
-#include "devices/Display.h"
-
-#include <Tactility/hal/Configuration.h>
-#include <driver/gpio.h>
-#include <freertos/FreeRTOS.h>
-#include <freertos/task.h>
-
-using namespace tt::hal;
-
-static bool initBoot() {
-    //Display Reset
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_46, GPIO_MODE_OUTPUT));
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_46, 0));
-    vTaskDelay(pdMS_TO_TICKS(100));
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_46, 1));
-    vTaskDelay(pdMS_TO_TICKS(10));
-
-    return driver::pwmbacklight::init(GPIO_NUM_21);
-}
-
-static DeviceVector createDevices() {
-    return {
-        createDisplay()
-    };
-}
-
-extern const Configuration hardwareConfiguration = {
-    .initBoot = initBoot,
-    .createDevices = createDevices
-};

Devices/btt-panda-touch/Source/devices/Display.cpp

@@ -1,107 +0,0 @@
-#include "Display.h"
-
-#include <Gt911Touch.h>
-#include <PwmBacklight.h>
-#include <RgbDisplay.h>
-#include <tactility/check.h>
-#include <tactility/device.h>
-
-std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
-    // Note for future changes: Reset pin is 41 and interrupt pin is 40
-    auto* i2c = device_find_by_name("i2c0");
-    check(i2c);
-    auto configuration = std::make_unique<Gt911Touch::Configuration>(
-        i2c,
-        800,
-        480
-    );
-
-    return std::make_shared<Gt911Touch>(std::move(configuration));
-}
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
-    auto touch = createTouch();
-
-    constexpr uint32_t bufferPixels = 800 * 10;
-
-    esp_lcd_rgb_panel_config_t rgb_panel_config = {
-        .clk_src = LCD_CLK_SRC_DEFAULT,
-        .timings = {
-            .pclk_hz = 14000000,
-            .h_res = 800,
-            .v_res = 480,
-            .hsync_pulse_width = 4,
-            .hsync_back_porch = 8,
-            .hsync_front_porch = 8,
-            .vsync_pulse_width = 4,
-            .vsync_back_porch = 16,
-            .vsync_front_porch = 16,
-            .flags = {
-                .hsync_idle_low = false,
-                .vsync_idle_low = false,
-                .de_idle_high = false,
-                .pclk_active_neg = true,
-                .pclk_idle_high = true
-            }
-        },
-        .data_width = 16,
-        .bits_per_pixel = 0,
-        .num_fbs = 2,
-        .bounce_buffer_size_px = bufferPixels,
-        .sram_trans_align = 8,
-        .psram_trans_align = 64,
-        .hsync_gpio_num = GPIO_NUM_NC,
-        .vsync_gpio_num = GPIO_NUM_NC,
-        .de_gpio_num = GPIO_NUM_38,
-        .pclk_gpio_num = GPIO_NUM_5,
-        .disp_gpio_num = GPIO_NUM_NC,
-        .data_gpio_nums = {
-            GPIO_NUM_17, // B
-            GPIO_NUM_18, // B
-            GPIO_NUM_48, // B
-            GPIO_NUM_47, // B
-            GPIO_NUM_39, // B
-            GPIO_NUM_11, // G
-            GPIO_NUM_12, // G
-            GPIO_NUM_13, // G
-            GPIO_NUM_14, // G
-            GPIO_NUM_15, // G
-            GPIO_NUM_16, // G
-            GPIO_NUM_6, // R
-            GPIO_NUM_7, // R
-            GPIO_NUM_8, // R
-            GPIO_NUM_9, // R
-            GPIO_NUM_10, // R
-        },
-        .flags = {
-            .disp_active_low = false,
-            .refresh_on_demand = false,
-            .fb_in_psram = true,
-            .double_fb = true,
-            .no_fb = false,
-            .bb_invalidate_cache = false
-        }
-    };
-
-    RgbDisplay::BufferConfiguration buffer_config = {
-        .size = (800 * 480),
-        .useSpi = true,
-        .doubleBuffer = true,
-        .bounceBufferMode = true,
-        .avoidTearing = false
-    };
-
-    auto configuration = std::make_unique<RgbDisplay::Configuration>(
-        rgb_panel_config,
-        buffer_config,
-        touch,
-        LV_COLOR_FORMAT_RGB565,
-        false,
-        false,
-        false,
-        false,
-        driver::pwmbacklight::setBacklightDuty
-    );
-
-    return std::make_shared<RgbDisplay>(std::move(configuration));
-}

Devices/btt-panda-touch/Source/devices/Display.h

@@ -1,5 +0,0 @@
-#pragma once
-
-#include <Tactility/hal/display/DisplayDevice.h>
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Devices/btt-panda-touch/Source/module.cpp

@@ -1,23 +0,0 @@
-#include <tactility/module.h>
-
-extern "C" {
-
-static error_t start() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-static error_t stop() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-struct Module btt_panda_touch_module = {
-    .name = "btt-panda-touch",
-    .start = start,
-    .stop = stop,
-    .symbols = nullptr,
-    .internal = nullptr
-};
-
-}

Devices/btt-panda-touch/bigtreetech,panda-touch.dts

@@ -2,18 +2,26 @@
 
 #include <tactility/bindings/root.h>
 #include <tactility/bindings/esp32_ble.h>
+#include <tactility/bindings/esp32_wifi_pinned.h>
 #include <tactility/bindings/esp32_gpio.h>
 #include <tactility/bindings/esp32_i2c.h>
 #include <tactility/bindings/esp32_usbhost.h>
+#include <tactility/bindings/esp32_pwm_ledc.h>
+#include <tactility/bindings/pwm_backlight.h>
+#include <bindings/rgb_display.h>
+#include <bindings/gt911.h>
 
 // Reference: https://github.com/bigtreetech/PandaTouch_PlatformIO/blob/master/docs/PINOUT.md
 / {
 	compatible = "root";
 	model = "BigTreeTech Panda Touch";
 
+	wifi0 {
+		compatible = "espressif,esp32-wifi-pinned";
+	};
+
 	ble0 {
 		compatible = "espressif,esp32-ble";
-		status = "disabled";
 	};
 
 	gpio0 {
@@ -27,6 +35,15 @@
 		clock-frequency = <400000>;
 		pin-sda = <&gpio0 2 GPIO_FLAG_NONE>;
 		pin-scl = <&gpio0 1 GPIO_FLAG_NONE>;
+
+		touch0 {
+			// Reset pin 41 and interrupt pin 40 exist on the board but are not wired up here
+			// (unverified - left disconnected like the original deprecated-HAL config).
+			compatible = "goodix,gt911";
+			reg = <0x5D>;
+			x-max = <800>;
+			y-max = <480>;
+		};
 	};
 
 	i2c_external: i2c1 {
@@ -37,6 +54,57 @@
 		pin-scl = <&gpio0 3 GPIO_FLAG_NONE>;
 	};
 
+	display_backlight_pwm {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 21 GPIO_FLAG_NONE>;
+		period-ns = <33333>;
+		ledc-timer = <0>;
+		ledc-channel = <0>;
+	};
+
+	display_backlight {
+		compatible = "pwm-backlight";
+		pwm = <&display_backlight_pwm>;
+	};
+
+	display0 {
+		compatible = "espressif,esp32-rgb-display";
+		horizontal-resolution = <800>;
+		vertical-resolution = <480>;
+		pixel-clock-hz = <14000000>;
+		hsync-pulse-width = <4>;
+		hsync-back-porch = <8>;
+		hsync-front-porch = <8>;
+		vsync-pulse-width = <4>;
+		vsync-back-porch = <16>;
+		vsync-front-porch = <16>;
+		pclk-active-neg;
+		pclk-idle-high;
+		num-fbs = <2>;
+		double-fb;
+		bounce-buffer-size-px = <8000>;
+		pin-de = <&gpio0 38 GPIO_FLAG_NONE>;
+		pin-pclk = <&gpio0 5 GPIO_FLAG_NONE>;
+		pin-reset = <&gpio0 46 GPIO_FLAG_NONE>;
+		pin-data0 = <&gpio0 17 GPIO_FLAG_NONE>; // B
+		pin-data1 = <&gpio0 18 GPIO_FLAG_NONE>; // B
+		pin-data2 = <&gpio0 48 GPIO_FLAG_NONE>; // B
+		pin-data3 = <&gpio0 47 GPIO_FLAG_NONE>; // B
+		pin-data4 = <&gpio0 39 GPIO_FLAG_NONE>; // B
+		pin-data5 = <&gpio0 11 GPIO_FLAG_NONE>; // G
+		pin-data6 = <&gpio0 12 GPIO_FLAG_NONE>; // G
+		pin-data7 = <&gpio0 13 GPIO_FLAG_NONE>; // G
+		pin-data8 = <&gpio0 14 GPIO_FLAG_NONE>; // G
+		pin-data9 = <&gpio0 15 GPIO_FLAG_NONE>; // G
+		pin-data10 = <&gpio0 16 GPIO_FLAG_NONE>; // G
+		pin-data11 = <&gpio0 6 GPIO_FLAG_NONE>; // R
+		pin-data12 = <&gpio0 7 GPIO_FLAG_NONE>; // R
+		pin-data13 = <&gpio0 8 GPIO_FLAG_NONE>; // R
+		pin-data14 = <&gpio0 9 GPIO_FLAG_NONE>; // R
+		pin-data15 = <&gpio0 10 GPIO_FLAG_NONE>; // R
+		backlight = <&display_backlight>;
+	};
+
 	usbhost0 {
 		compatible = "espressif,esp32-usbhost";
 

Devices/btt-panda-touch/device.properties

@@ -1,7 +1,7 @@
 general.vendor=BigTreeTech
 general.name=Panda Touch,K Touch
 
-apps.launcherAppId=Launcher
+apps.launcherAppId=tactility.launcher
 
 hardware.target=ESP32S3
 hardware.flashSize=16MB

Devices/btt-panda-touch/devicetree.yaml

@@ -1,3 +1,5 @@
 dependencies:
   - Platforms/platform-esp32
+  - Drivers/rgb-display-module
+  - Drivers/gt911-module
 dts: bigtreetech,panda-touch.dts

Devices/btt-panda-touch/source/module.cpp

@@ -0,0 +1,9 @@
+#include <tactility/module.h>
+
+extern "C" {
+
+Module btt_panda_touch_module = {
+    .name = "btt-panda-touch"
+};
+
+}

Devices/cl32/CMakeLists.txt

@@ -0,0 +1,7 @@
+file(GLOB_RECURSE SOURCE_FILES source/*.c*)
+
+idf_component_register(
+    SRCS ${SOURCE_FILES}
+    INCLUDE_DIRS "source"
+    REQUIRES TactilityKernel
+)

Devices/cl32/cl32.dts

@@ -0,0 +1,121 @@
+/dts-v1/;
+
+#include <tactility/bindings/root.h>
+#include <tactility/bindings/esp32_gpio.h>
+#include <tactility/bindings/esp32_grove.h>
+#include <tactility/bindings/esp32_i2c.h>
+#include <tactility/bindings/esp32_spi.h>
+#include <tactility/bindings/esp32_sdspi.h>
+#include <tactility/bindings/esp32_wifi.h>
+
+#include <bindings/tca8418.h>
+#include <bindings/bm8563.h>
+#include <bindings/esp_epaper.h>
+
+/ {
+	compatible = "root";
+	model = "CL-32";
+
+	gpio0 {
+		compatible = "espressif,esp32-gpio";
+		gpio-count = <49>;
+	};
+
+	wifi0 {
+		compatible = "espressif,esp32-wifi";
+		status = "disabled";
+	};
+
+	// Top Stemma/Qwiic port 1 shares this bus with the keyboard and RTC (SDA: pin 1 <-> SCL: pin 2).
+	// External I2C devices on that port are reachable via i2c0.
+	i2c0 {
+		compatible = "espressif,esp32-i2c";
+		port = <I2C_NUM_0>;
+		clock-frequency = <100000>;
+		pin-sda = <&gpio0 1 GPIO_FLAG_PULL_UP>;
+		pin-scl = <&gpio0 2 GPIO_FLAG_PULL_UP>;
+
+		keyboard {
+			compatible = "ti,tca8418";
+			reg = <0x34>;
+			rows = <8>;
+			columns = <10>;
+			keymap-lc = [
+				37 49 50 51 52 53 54 55 56 0 // % 1 2 3 4 5 6 7 8
+				57 48 8 91 93 43 34 39 27 0 // 9 0 BKSP [ ] + " ' EXIT
+				9 113 119 101 114 116 121 117 105 0 // TAB q w e r t y u i
+				111 112 13 40 41 45 59 58 3 0 // o p ENTER ( ) - ; : STOP
+				0 97 115 100 102 103 104 106 107 0 //   a s d f g h j k
+				108 17 35 123 125 42 44 46 2 0 // l UP # { } * , . MENU
+				122 120 99 118 98 32 32 110 109 0 // z x c v b   n m
+				20 18 19 60 62 47 92 61 13 0 // LEFT DOWN RIGHT < > / \ = RUN
+			];
+			keymap-uc = [
+				37 49 50 51 52 53 54 55 56 0 // % 1 2 3 4 5 6 7 8
+				57 48 8 91 93 43 34 39 27 0 // 9 0 BKSP [ ] + " ' EXIT
+				9 81 87 69 82 84 89 85 73 0 // TAB Q W E R T Y U I
+				79 80 13 40 41 45 59 58 3 0 // O P ENTER ( ) - ; : STOP
+				0 65 83 68 70 71 72 74 75 0 //   A S D F G H J K
+				76 17 35 123 125 42 44 46 2 0 // L UP # { } * , . MENU
+				90 88 67 86 66 32 32 78 77 0 // Z X C V B   N M
+				20 18 19 60 62 47 92 61 13 0 // LEFT DOWN RIGHT < > / \ = RUN
+			];
+			keymap-sy = [
+				37 49 50 51 52 53 54 55 56 0 // % 1 2 3 4 5 6 7 8
+				57 48 8 91 93 43 34 39 27 0 // 9 0 BKSP [ ] + " ' EXIT
+				9 113 119 101 114 116 121 117 105 0 // TAB q w e r t y u i
+				111 112 13 40 41 45 59 58 3 0 // o p ENTER ( ) - ; : STOP
+				0 97 115 100 102 103 104 106 107 0 //   a s d f g h j k
+				108 17 35 123 125 42 44 46 2 0 // l UP # { } * , . MENU
+				122 120 99 118 98 32 32 110 109 0 // z x c v b   n m
+				20 18 19 60 62 47 92 61 13 0 // LEFT DOWN RIGHT < > / \ = RUN
+			];
+			shift-row = <4>;
+			shift-col = <0>;
+			sym-row = <5>;
+			sym-col = <8>;
+		};
+
+		rtc: bm8563 {
+			compatible = "belling,bm8563";
+			reg = <0x51>;
+		};
+	};
+
+	port_b: grove1 {
+		compatible = "espressif,esp32-grove";
+		defaultMode = <GROVE_MODE_I2C>;
+		pinSdaTx = <&gpio0 47 GPIO_FLAG_NONE>;
+		pinSclRx = <&gpio0 48 GPIO_FLAG_NONE>;
+		uartPort = <UART_NUM_1>;
+		i2cPort = <I2C_NUM_1>;
+		i2cClockFrequency = <100000>;
+	};
+
+	spi1 {
+		compatible = "espressif,esp32-spi";
+		host = <SPI2_HOST>;
+		cs-gpios = <&gpio0 7 GPIO_FLAG_NONE>;
+		pin-mosi = <&gpio0 10 GPIO_FLAG_NONE>;
+		pin-miso = <&gpio0 11 GPIO_FLAG_NONE>;
+		pin-sclk = <&gpio0 9 GPIO_FLAG_NONE>;
+		max-transfer-size = <4096>;
+
+		sdcard@0 {
+			compatible = "espressif,esp32-sdspi";
+			frequency-khz = <20000>;
+		};
+
+		epd@1 {
+			compatible = "tuanpmt,esp-epaper";
+			pin-dc = <&gpio0 13 GPIO_FLAG_NONE>;
+			pin-reset = <&gpio0 12 GPIO_FLAG_NONE>;
+			pin-busy = <&gpio0 14 GPIO_FLAG_NONE>;
+			pin-cs = <&gpio0 6 GPIO_FLAG_NONE>;
+			clock-speed-hz = <4000000>;
+			panel-type = "gdey029t71h";
+			update-mode = <2>;
+			rotation = <1>;
+		};
+	};
+};

Devices/cl32/device.properties

@@ -0,0 +1,22 @@
+general.vendor=CL-32
+general.name=CL-32
+
+apps.launcherAppId=tactility.launcher
+
+hardware.target=ESP32S3
+hardware.flashSize=8MB
+hardware.spiRam=true
+hardware.spiRamMode=QUAD
+hardware.spiRamSpeed=80M
+hardware.spiRamXipDisabled=true
+hardware.esptoolFlashFreq=80M
+hardware.bluetooth=true
+
+storage.userDataLocation=SD
+
+display.size=2.9"
+display.shape=rectangle
+display.dpi=139
+
+lvgl.colorDepth=8
+lvgl.theme=Mono

Devices/cl32/devicetree.yaml

@@ -0,0 +1,6 @@
+dependencies:
+  - Platforms/platform-esp32
+  - Drivers/tca8418-module
+  - Drivers/esp-epaper-module
+  - Drivers/bm8563-module
+dts: cl32.dts

Devices/cl32/source/module.cpp

@@ -0,0 +1,9 @@
+#include <tactility/module.h>
+
+extern "C" {
+
+struct Module cl32_module = {
+    .name = "cl32"
+};
+
+}

Devices/cyd-2432s024c/CMakeLists.txt

@@ -1,7 +1,6 @@
-file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+file(GLOB_RECURSE SOURCE_FILES source/*.c*)
 
 idf_component_register(
     SRCS ${SOURCE_FILES}
-    INCLUDE_DIRS "Source"
-    REQUIRES Tactility esp_lvgl_port ILI934x CST816S PwmBacklight driver vfs fatfs
+    REQUIRES TactilityKernel
 )

Devices/cyd-2432s024c/LICENSE-Apache-2.0.md

@@ -0,0 +1,195 @@
+Apache License
+==============
+
+_Version 2.0, January 2004_  
+_&lt;<http://www.apache.org/licenses/>&gt;_
+
+### Terms and Conditions for use, reproduction, and distribution
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+

Devices/cyd-2432s024c/Source/Configuration.cpp

@@ -1,30 +0,0 @@
-#include "devices/Display.h"
-#include <driver/gpio.h>
-
-#include <Tactility/hal/Configuration.h>
-#include <PwmBacklight.h>
-
-static bool initBoot() {
-    // Set the RGB LED Pins to output and turn them off
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT)); // Red
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT)); // Green
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT)); // Blue
-
-    // 0 on, 1 off
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_4, 1)); // Red
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1)); // Green
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_17, 1)); // Blue
-
-    return driver::pwmbacklight::init(LCD_PIN_BACKLIGHT);
-}
-
-static tt::hal::DeviceVector createDevices() {
-    return {
-        createDisplay(),
-    };
-}
-
-extern const tt::hal::Configuration hardwareConfiguration = {
-    .initBoot = initBoot,
-    .createDevices = createDevices
-};

Devices/cyd-2432s024c/Source/devices/Display.cpp

@@ -1,45 +0,0 @@
-#include "Display.h"
-#include "Cst816Touch.h"
-
-#include <Ili934xDisplay.h>
-#include <PwmBacklight.h>
-
-static std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
-    // Note: GPIO 25 for reset and GPIO 21 for interrupt?
-    auto configuration = std::make_unique<Cst816sTouch::Configuration>(
-        I2C_NUM_0,
-        240,
-        320
-    );
-
-    return std::make_shared<Cst816sTouch>(std::move(configuration));
-}
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
-    Ili934xDisplay::Configuration panel_configuration = {
-        .horizontalResolution = LCD_HORIZONTAL_RESOLUTION,
-        .verticalResolution = LCD_VERTICAL_RESOLUTION,
-        .gapX = 0,
-        .gapY = 0,
-        .swapXY = false,
-        .mirrorX = true,
-        .mirrorY = false,
-        .invertColor = false,
-        .swapBytes = true,
-        .bufferSize = LCD_BUFFER_SIZE,
-        .touch = createTouch(),
-        .backlightDutyFunction = driver::pwmbacklight::setBacklightDuty,
-        .resetPin = GPIO_NUM_NC,
-        .rgbElementOrder = LCD_RGB_ELEMENT_ORDER_BGR
-    };
-
-    auto spi_configuration = std::make_shared<Ili934xDisplay::SpiConfiguration>(Ili934xDisplay::SpiConfiguration {
-        .spiHostDevice = LCD_SPI_HOST,
-        .csPin = LCD_PIN_CS,
-        .dcPin = LCD_PIN_DC,
-        .pixelClockFrequency = 40'000'000,
-        .transactionQueueDepth = 10
-    });
-
-    return std::make_shared<Ili934xDisplay>(panel_configuration, spi_configuration, true);
-}

Devices/cyd-2432s024c/Source/devices/Display.h

@@ -1,18 +0,0 @@
-#pragma once
-
-#include <Tactility/hal/display/DisplayDevice.h>
-#include <driver/gpio.h>
-#include <driver/spi_common.h>
-#include <memory>
-
-// Display
-constexpr auto LCD_PIN_BACKLIGHT = GPIO_NUM_27;
-constexpr auto LCD_SPI_HOST = SPI2_HOST;
-constexpr auto LCD_PIN_CS = GPIO_NUM_15;
-constexpr auto LCD_PIN_DC = GPIO_NUM_2;
-constexpr auto LCD_HORIZONTAL_RESOLUTION = 240;
-constexpr auto LCD_VERTICAL_RESOLUTION = 320;
-constexpr auto LCD_BUFFER_HEIGHT = LCD_VERTICAL_RESOLUTION / 10;
-constexpr auto LCD_BUFFER_SIZE = LCD_HORIZONTAL_RESOLUTION * LCD_BUFFER_HEIGHT;
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Devices/cyd-2432s024c/Source/module.cpp

@@ -1,23 +0,0 @@
-#include <tactility/module.h>
-
-extern "C" {
-
-static error_t start() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-static error_t stop() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-struct Module cyd_2432s024c_module = {
-    .name = "cyd-2432s024c",
-    .start = start,
-    .stop = stop,
-    .symbols = nullptr,
-    .internal = nullptr
-};
-
-}

Devices/cyd-2432s024c/cyd,2432s024c.dts

@@ -1,16 +1,25 @@
 /dts-v1/;
 
 #include <tactility/bindings/root.h>
+#include <tactility/bindings/esp32_wifi_pinned.h>
 #include <tactility/bindings/esp32_gpio.h>
 #include <tactility/bindings/esp32_i2c.h>
 #include <tactility/bindings/esp32_spi.h>
 #include <tactility/bindings/esp32_sdspi.h>
-#include <tactility/bindings/display_placeholder.h>
+#include <tactility/bindings/esp32_pwm_ledc.h>
+#include <tactility/bindings/pwm_backlight.h>
+#include <tactility/bindings/rgb_led_pwm.h>
+#include <bindings/ili9341.h>
+#include <bindings/cst816s.h>
 
 / {
 	compatible = "root";
 	model = "CYD 2432S024C";
 
+	wifi0 {
+		compatible = "espressif,esp32-wifi-pinned";
+	};
+
 	gpio0 {
 		compatible = "espressif,esp32-gpio";
 		gpio-count = <40>;
@@ -22,6 +31,66 @@
 		clock-frequency = <400000>;
 		pin-sda = <&gpio0 33 GPIO_FLAG_NONE>;
 		pin-scl = <&gpio0 32 GPIO_FLAG_NONE>;
+
+		touch {
+			compatible = "hynitron,cst816s";
+			reg = <0x15>;
+			x-max = <240>;
+			y-max = <320>;
+		};
+	};
+
+	rgb_led_channel_red {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 4 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <0>;
+		inverted;
+	};
+
+	rgb_led_channel_green {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 16 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <1>;
+		inverted;
+	};
+
+	rgb_led_channel_blue {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 17 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <2>;
+		inverted;
+	};
+
+	rgb_led_pwm {
+		compatible = "rgb-led-pwm";
+		pwm-red = <&rgb_led_channel_red>;
+		pwm-green = <&rgb_led_channel_green>;
+		pwm-blue = <&rgb_led_channel_blue>;
+		// Default is red, and we want to reset it to off by default
+		default-color = <0 0 0>;
+		enabled;
+	};
+
+	display_backlight_pwm {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 27 GPIO_FLAG_NONE>;
+		period-ns = <1953125>;
+		ledc-timer = <1>;
+		ledc-channel = <3>;
+	};
+
+	display_backlight {
+		compatible = "pwm-backlight";
+		// Off by default so display power-on won't show the screen from before the last power loss.
+		// The display backlight is turned on during the boot process.
+		status = "disabled";
+		pwm = <&display_backlight_pwm>;
 	};
 
 	spi0 {
@@ -31,8 +100,15 @@
 		pin-mosi = <&gpio0 13 GPIO_FLAG_NONE>;
 		pin-sclk = <&gpio0 14 GPIO_FLAG_NONE>;
 
-		display {
-			compatible = "display-placeholder";
+		display@0 {
+			compatible = "ilitek,ili9341";
+			horizontal-resolution = <240>;
+			vertical-resolution = <320>;
+			mirror-x;
+			bgr-order;
+			pixel-clock-hz = <40000000>;
+			pin-dc = <&gpio0 2 GPIO_FLAG_NONE>;
+			backlight = <&display_backlight>;
 		};
 	};
 
@@ -43,6 +119,7 @@
 		pin-mosi = <&gpio0 23 GPIO_FLAG_NONE>;
 		pin-miso = <&gpio0 19 GPIO_FLAG_NONE>;
 		pin-sclk = <&gpio0 18 GPIO_FLAG_NONE>;
+		miso-pull-up;
 
 		sdcard@0 {
 			compatible = "espressif,esp32-sdspi";

Devices/cyd-2432s024c/device.properties

@@ -1,7 +1,7 @@
 general.vendor=CYD
 general.name=2432S024C
 
-apps.launcherAppId=Launcher
+apps.launcherAppId=tactility.launcher
 
 hardware.target=ESP32
 hardware.flashSize=4MB

Devices/cyd-2432s024c/devicetree.yaml

@@ -1,3 +1,5 @@
 dependencies:
   - Platforms/platform-esp32
+  - Drivers/ili9341-module
+  - Drivers/cst816s-module
 dts: cyd,2432s024c.dts

Devices/cyd-2432s024c/source/module.cpp

@@ -0,0 +1,9 @@
+#include <tactility/module.h>
+
+extern "C" {
+
+Module cyd_2432s024c_module = {
+    .name = "cyd-2432s024c",
+};
+
+}

Devices/cyd-2432s024r/CMakeLists.txt

@@ -1,7 +1,6 @@
-file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+file(GLOB_RECURSE SOURCE_FILES source/*.c*)
 
 idf_component_register(
     SRCS ${SOURCE_FILES}
-    INCLUDE_DIRS "Source"
-    REQUIRES Tactility esp_lvgl_port ILI934x XPT2046 PwmBacklight driver vfs fatfs
+    REQUIRES TactilityKernel
 )

Devices/cyd-2432s024r/LICENSE-Apache-2.0.md

@@ -0,0 +1,195 @@
+Apache License
+==============
+
+_Version 2.0, January 2004_  
+_&lt;<http://www.apache.org/licenses/>&gt;_
+
+### Terms and Conditions for use, reproduction, and distribution
+
+#### 1. Definitions
+
+“License” shall mean the terms and conditions for use, reproduction, and
+distribution as defined by Sections 1 through 9 of this document.
+
+“Licensor” shall mean the copyright owner or entity authorized by the copyright
+owner that is granting the License.
+
+“Legal Entity” shall mean the union of the acting entity and all other entities
+that control, are controlled by, or are under common control with that entity.
+For the purposes of this definition, “control” means **(i)** the power, direct or
+indirect, to cause the direction or management of such entity, whether by
+contract or otherwise, or **(ii)** ownership of fifty percent (50%) or more of the
+outstanding shares, or **(iii)** beneficial ownership of such entity.
+
+“You” (or “Your”) shall mean an individual or Legal Entity exercising
+permissions granted by this License.
+
+“Source” form shall mean the preferred form for making modifications, including
+but not limited to software source code, documentation source, and configuration
+files.
+
+“Object” form shall mean any form resulting from mechanical transformation or
+translation of a Source form, including but not limited to compiled object code,
+generated documentation, and conversions to other media types.
+
+“Work” shall mean the work of authorship, whether in Source or Object form, made
+available under the License, as indicated by a copyright notice that is included
+in or attached to the work (an example is provided in the Appendix below).
+
+“Derivative Works” shall mean any work, whether in Source or Object form, that
+is based on (or derived from) the Work and for which the editorial revisions,
+annotations, elaborations, or other modifications represent, as a whole, an
+original work of authorship. For the purposes of this License, Derivative Works
+shall not include works that remain separable from, or merely link (or bind by
+name) to the interfaces of, the Work and Derivative Works thereof.
+
+“Contribution” shall mean any work of authorship, including the original version
+of the Work and any modifications or additions to that Work or Derivative Works
+thereof, that is intentionally submitted to Licensor for inclusion in the Work
+by the copyright owner or by an individual or Legal Entity authorized to submit
+on behalf of the copyright owner. For the purposes of this definition,
+“submitted” means any form of electronic, verbal, or written communication sent
+to the Licensor or its representatives, including but not limited to
+communication on electronic mailing lists, source code control systems, and
+issue tracking systems that are managed by, or on behalf of, the Licensor for
+the purpose of discussing and improving the Work, but excluding communication
+that is conspicuously marked or otherwise designated in writing by the copyright
+owner as “Not a Contribution.”
+
+“Contributor” shall mean Licensor and any individual or Legal Entity on behalf
+of whom a Contribution has been received by Licensor and subsequently
+incorporated within the Work.
+
+#### 2. Grant of Copyright License
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable copyright license to reproduce, prepare Derivative Works of,
+publicly display, publicly perform, sublicense, and distribute the Work and such
+Derivative Works in Source or Object form.
+
+#### 3. Grant of Patent License
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable (except as stated in this section) patent license to make, have
+made, use, offer to sell, sell, import, and otherwise transfer the Work, where
+such license applies only to those patent claims licensable by such Contributor
+that are necessarily infringed by their Contribution(s) alone or by combination
+of their Contribution(s) with the Work to which such Contribution(s) was
+submitted. If You institute patent litigation against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that the Work or a
+Contribution incorporated within the Work constitutes direct or contributory
+patent infringement, then any patent licenses granted to You under this License
+for that Work shall terminate as of the date such litigation is filed.
+
+#### 4. Redistribution
+
+You may reproduce and distribute copies of the Work or Derivative Works thereof
+in any medium, with or without modifications, and in Source or Object form,
+provided that You meet the following conditions:
+
+* **(a)** You must give any other recipients of the Work or Derivative Works a copy of
+this License; and
+* **(b)** You must cause any modified files to carry prominent notices stating that You
+changed the files; and
+* **(c)** You must retain, in the Source form of any Derivative Works that You distribute,
+all copyright, patent, trademark, and attribution notices from the Source form
+of the Work, excluding those notices that do not pertain to any part of the
+Derivative Works; and
+* **(d)** If the Work includes a “NOTICE” text file as part of its distribution, then any
+Derivative Works that You distribute must include a readable copy of the
+attribution notices contained within such NOTICE file, excluding those notices
+that do not pertain to any part of the Derivative Works, in at least one of the
+following places: within a NOTICE text file distributed as part of the
+Derivative Works; within the Source form or documentation, if provided along
+with the Derivative Works; or, within a display generated by the Derivative
+Works, if and wherever such third-party notices normally appear. The contents of
+the NOTICE file are for informational purposes only and do not modify the
+License. You may add Your own attribution notices within Derivative Works that
+You distribute, alongside or as an addendum to the NOTICE text from the Work,
+provided that such additional attribution notices cannot be construed as
+modifying the License.
+
+You may add Your own copyright statement to Your modifications and may provide
+additional or different license terms and conditions for use, reproduction, or
+distribution of Your modifications, or for any such Derivative Works as a whole,
+provided Your use, reproduction, and distribution of the Work otherwise complies
+with the conditions stated in this License.
+
+#### 5. Submission of Contributions
+
+Unless You explicitly state otherwise, any Contribution intentionally submitted
+for inclusion in the Work by You to the Licensor shall be under the terms and
+conditions of this License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the terms of
+any separate license agreement you may have executed with Licensor regarding
+such Contributions.
+
+#### 6. Trademarks
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+#### 7. Disclaimer of Warranty
+
+Unless required by applicable law or agreed to in writing, Licensor provides the
+Work (and each Contributor provides its Contributions) on an “AS IS” BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+including, without limitation, any warranties or conditions of TITLE,
+NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
+solely responsible for determining the appropriateness of using or
+redistributing the Work and assume any risks associated with Your exercise of
+permissions under this License.
+
+#### 8. Limitation of Liability
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License or
+out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction, or
+any and all other commercial damages or losses), even if such Contributor has
+been advised of the possibility of such damages.
+
+#### 9. Accepting Warranty or Additional Liability
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity, or
+other liability obligations and/or rights consistent with this License. However,
+in accepting such obligations, You may act only on Your own behalf and on Your
+sole responsibility, not on behalf of any other Contributor, and only if You
+agree to indemnify, defend, and hold each Contributor harmless for any liability
+incurred by, or claims asserted against, such Contributor by reason of your
+accepting any such warranty or additional liability.
+
+_END OF TERMS AND CONDITIONS_
+
+### APPENDIX: How to apply the Apache License to your work
+
+To apply the Apache License to your work, attach the following boilerplate
+notice, with the fields enclosed by brackets `[]` replaced with your own
+identifying information. (Don't include the brackets!) The text should be
+enclosed in the appropriate comment syntax for the file format. We also
+recommend that a file or class name and description of purpose be included on
+the same “printed page” as the copyright notice for easier identification within
+third-party archives.
+
+    Copyright [yyyy] [name of copyright owner]
+    
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    
+      http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+

Devices/cyd-2432s024r/Source/Configuration.cpp

@@ -1,21 +0,0 @@
-#include "devices/Display.h"
-
-#include <Tactility/hal/Configuration.h>
-#include <PwmBacklight.h>
-
-using namespace tt::hal;
-
-static bool initBoot() {
-    return driver::pwmbacklight::init(LCD_PIN_BACKLIGHT);
-}
-
-static DeviceVector createDevices() {
-    return {
-        createDisplay()
-    };
-}
-
-extern const Configuration hardwareConfiguration = {
-    .initBoot = initBoot,
-    .createDevices = createDevices
-};

Devices/cyd-2432s024r/Source/devices/Display.cpp

@@ -1,46 +0,0 @@
-#include "Display.h"
-#include "Xpt2046Touch.h"
-#include <Ili934xDisplay.h>
-#include <PwmBacklight.h>
-
-static std::shared_ptr<tt::hal::touch::TouchDevice> createTouch(esp_lcd_spi_bus_handle_t spiDevice) {
-    auto configuration = std::make_unique<Xpt2046Touch::Configuration>(
-        spiDevice,
-        TOUCH_CS_PIN,
-        LCD_HORIZONTAL_RESOLUTION,
-        LCD_VERTICAL_RESOLUTION,
-        true,  // swapXY
-        false,   // mirrorX
-        true    // mirrorY
-    );
-    return std::make_shared<Xpt2046Touch>(std::move(configuration));
-}
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
-    auto spi_configuration = std::make_shared<Ili934xDisplay::SpiConfiguration>(Ili934xDisplay::SpiConfiguration {
-        .spiHostDevice = LCD_SPI_HOST,
-        .csPin = LCD_PIN_CS,
-        .dcPin = LCD_PIN_DC,
-        .pixelClockFrequency = 40'000'000,
-        .transactionQueueDepth = 10
-    });
-
-    Ili934xDisplay::Configuration panel_configuration = {
-        .horizontalResolution = LCD_HORIZONTAL_RESOLUTION,
-        .verticalResolution = LCD_VERTICAL_RESOLUTION,
-        .gapX = 0,
-        .gapY = 0,
-        .swapXY = true,
-        .mirrorX = true,
-        .mirrorY = true,
-        .invertColor = false,
-        .swapBytes = true,
-        .bufferSize = LCD_BUFFER_SIZE,
-        .touch = createTouch(spi_configuration->spiHostDevice),
-        .backlightDutyFunction = driver::pwmbacklight::setBacklightDuty,
-        .resetPin = LCD_PIN_RST,
-        .rgbElementOrder = LCD_RGB_ELEMENT_ORDER_RGB
-    };
-
-    return std::make_shared<Ili934xDisplay>(panel_configuration, spi_configuration, true);
-}

Devices/cyd-2432s024r/Source/devices/Display.h

@@ -1,28 +0,0 @@
-#pragma once
-
-#include <Tactility/hal/display/DisplayDevice.h>
-#include <driver/gpio.h>
-#include <driver/spi_common.h>
-#include <memory>
-
-// Display
-constexpr auto LCD_SPI_HOST = SPI2_HOST;
-constexpr auto LCD_PIN_CS   = GPIO_NUM_15;
-constexpr auto LCD_PIN_DC   = GPIO_NUM_2;
-constexpr auto LCD_PIN_RST  = GPIO_NUM_NC;  // tied to ESP32 RST
-constexpr auto LCD_PIN_CLK  = GPIO_NUM_14;
-constexpr auto LCD_PIN_MOSI = GPIO_NUM_13;
-constexpr auto LCD_PIN_MISO = GPIO_NUM_12;
-constexpr auto LCD_HORIZONTAL_RESOLUTION = 240;
-constexpr auto LCD_VERTICAL_RESOLUTION = 320;
-constexpr auto LCD_BUFFER_HEIGHT = LCD_VERTICAL_RESOLUTION / 10;
-constexpr auto LCD_BUFFER_SIZE = LCD_HORIZONTAL_RESOLUTION * LCD_BUFFER_HEIGHT;
-
-// Backlight
-constexpr auto LCD_PIN_BACKLIGHT = GPIO_NUM_27;
-
-// Touch
-constexpr auto TOUCH_CS_PIN  = GPIO_NUM_33;
-constexpr auto TOUCH_IRQ_PIN = GPIO_NUM_36;
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Devices/cyd-2432s024r/Source/module.cpp

@@ -1,23 +0,0 @@
-#include <tactility/module.h>
-
-extern "C" {
-
-static error_t start() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-static error_t stop() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-struct Module cyd_2432s024r_module = {
-    .name = "cyd-2432s024r",
-    .start = start,
-    .stop = stop,
-    .symbols = nullptr,
-    .internal = nullptr
-};
-
-}

Devices/cyd-2432s024r/cyd,2432s024r.dts

@@ -1,22 +1,83 @@
 /dts-v1/;
 
 #include <tactility/bindings/root.h>
+#include <tactility/bindings/esp32_wifi_pinned.h>
 #include <tactility/bindings/esp32_gpio.h>
 #include <tactility/bindings/esp32_spi.h>
 #include <tactility/bindings/esp32_sdspi.h>
-#include <tactility/bindings/display_placeholder.h>
-#include <tactility/bindings/touch_placeholder.h>
 #include <tactility/bindings/esp32_uart.h>
+#include <tactility/bindings/esp32_pwm_ledc.h>
+#include <tactility/bindings/pwm_backlight.h>
+#include <tactility/bindings/rgb_led_pwm.h>
+#include <bindings/ili9341.h>
+#include <bindings/xpt2046.h>
 
 / {
     compatible = "root";
 	model = "CYD 2432S024R";
 
+	wifi0 {
+		compatible = "espressif,esp32-wifi-pinned";
+	};
+
     gpio0 {
         compatible = "espressif,esp32-gpio";
         gpio-count = <40>;
     };
 
+	rgb_led_channel_red {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 4 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <0>;
+		inverted;
+	};
+
+	rgb_led_channel_green {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 16 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <1>;
+		inverted;
+	};
+
+	rgb_led_channel_blue {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 17 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <2>;
+		inverted;
+	};
+
+	rgb_led_pwm {
+		compatible = "rgb-led-pwm";
+		pwm-red = <&rgb_led_channel_red>;
+		pwm-green = <&rgb_led_channel_green>;
+		pwm-blue = <&rgb_led_channel_blue>;
+		// Default is red, and we want to reset it to off by default
+		default-color = <0 0 0>;
+		enabled;
+	};
+
+	display_backlight_pwm {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 27 GPIO_FLAG_NONE>;
+		period-ns = <1953125>;
+		ledc-timer = <1>;
+		ledc-channel = <3>;
+	};
+
+	display_backlight {
+		compatible = "pwm-backlight";
+		// Off by default so display power-on won't show the screen from before the last power loss.
+		// The display backlight is turned on during the boot process.
+		status = "disabled";
+		pwm = <&display_backlight_pwm>;
+	};
+
     spi0 {
         compatible = "espressif,esp32-spi";
         host = <SPI2_HOST>;
@@ -27,11 +88,23 @@
                    <&gpio0 33 GPIO_FLAG_NONE>; // Touch
 
 		display@0 {
-			compatible = "display-placeholder";
+			compatible = "ilitek,ili9341";
+			horizontal-resolution = <240>;
+			vertical-resolution = <320>;
+			swap-xy;
+			mirror-x;
+			mirror-y;
+			pixel-clock-hz = <40000000>;
+			pin-dc = <&gpio0 2 GPIO_FLAG_NONE>;
+			backlight = <&display_backlight>;
 		};
 
 		touch@1 {
-			compatible = "touch-placeholder";
+			compatible = "xptek,xpt2046";
+			x-max = <240>;
+			y-max = <320>;
+			swap-xy;
+			mirror-y;
 		};
     };
 

Devices/cyd-2432s024r/device.properties

@@ -1,7 +1,7 @@
 general.vendor=CYD
 general.name=2432S024R
 
-apps.launcherAppId=Launcher
+apps.launcherAppId=tactility.launcher
 
 hardware.target=ESP32
 hardware.flashSize=4MB

Devices/cyd-2432s024r/devicetree.yaml

@@ -1,3 +1,5 @@
 dependencies:
   - Platforms/platform-esp32
+  - Drivers/ili9341-module
+  - Drivers/xpt2046-module
 dts: cyd,2432s024r.dts

Devices/cyd-2432s024r/source/module.cpp

@@ -0,0 +1,9 @@
+#include <tactility/module.h>
+
+extern "C" {
+
+Module cyd_2432s024r_module = {
+    .name = "cyd-2432s024r"
+};
+
+}

Devices/cyd-2432s028r/CMakeLists.txt

@@ -1,7 +1,6 @@
-file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+file(GLOB_RECURSE SOURCE_FILES source/*.c*)
 
 idf_component_register(
     SRCS ${SOURCE_FILES}
-    INCLUDE_DIRS "Source"
-    REQUIRES Tactility esp_lvgl_port ILI934x XPT2046SoftSPI PwmBacklight driver vfs fatfs
+    REQUIRES TactilityKernel
 )

Devices/cyd-2432s028r/LICENSE-Apache-2.0.md

@@ -0,0 +1,195 @@
+Apache License
+==============
+
+_Version 2.0, January 2004_  
+_&lt;<http://www.apache.org/licenses/>&gt;_
+
+### Terms and Conditions for use, reproduction, and distribution
+
+#### 1. Definitions
+
+“License” shall mean the terms and conditions for use, reproduction, and
+distribution as defined by Sections 1 through 9 of this document.
+
+“Licensor” shall mean the copyright owner or entity authorized by the copyright
+owner that is granting the License.
+
+“Legal Entity” shall mean the union of the acting entity and all other entities
+that control, are controlled by, or are under common control with that entity.
+For the purposes of this definition, “control” means **(i)** the power, direct or
+indirect, to cause the direction or management of such entity, whether by
+contract or otherwise, or **(ii)** ownership of fifty percent (50%) or more of the
+outstanding shares, or **(iii)** beneficial ownership of such entity.
+
+“You” (or “Your”) shall mean an individual or Legal Entity exercising
+permissions granted by this License.
+
+“Source” form shall mean the preferred form for making modifications, including
+but not limited to software source code, documentation source, and configuration
+files.
+
+“Object” form shall mean any form resulting from mechanical transformation or
+translation of a Source form, including but not limited to compiled object code,
+generated documentation, and conversions to other media types.
+
+“Work” shall mean the work of authorship, whether in Source or Object form, made
+available under the License, as indicated by a copyright notice that is included
+in or attached to the work (an example is provided in the Appendix below).
+
+“Derivative Works” shall mean any work, whether in Source or Object form, that
+is based on (or derived from) the Work and for which the editorial revisions,
+annotations, elaborations, or other modifications represent, as a whole, an
+original work of authorship. For the purposes of this License, Derivative Works
+shall not include works that remain separable from, or merely link (or bind by
+name) to the interfaces of, the Work and Derivative Works thereof.
+
+“Contribution” shall mean any work of authorship, including the original version
+of the Work and any modifications or additions to that Work or Derivative Works
+thereof, that is intentionally submitted to Licensor for inclusion in the Work
+by the copyright owner or by an individual or Legal Entity authorized to submit
+on behalf of the copyright owner. For the purposes of this definition,
+“submitted” means any form of electronic, verbal, or written communication sent
+to the Licensor or its representatives, including but not limited to
+communication on electronic mailing lists, source code control systems, and
+issue tracking systems that are managed by, or on behalf of, the Licensor for
+the purpose of discussing and improving the Work, but excluding communication
+that is conspicuously marked or otherwise designated in writing by the copyright
+owner as “Not a Contribution.”
+
+“Contributor” shall mean Licensor and any individual or Legal Entity on behalf
+of whom a Contribution has been received by Licensor and subsequently
+incorporated within the Work.
+
+#### 2. Grant of Copyright License
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable copyright license to reproduce, prepare Derivative Works of,
+publicly display, publicly perform, sublicense, and distribute the Work and such
+Derivative Works in Source or Object form.
+
+#### 3. Grant of Patent License
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable (except as stated in this section) patent license to make, have
+made, use, offer to sell, sell, import, and otherwise transfer the Work, where
+such license applies only to those patent claims licensable by such Contributor
+that are necessarily infringed by their Contribution(s) alone or by combination
+of their Contribution(s) with the Work to which such Contribution(s) was
+submitted. If You institute patent litigation against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that the Work or a
+Contribution incorporated within the Work constitutes direct or contributory
+patent infringement, then any patent licenses granted to You under this License
+for that Work shall terminate as of the date such litigation is filed.
+
+#### 4. Redistribution
+
+You may reproduce and distribute copies of the Work or Derivative Works thereof
+in any medium, with or without modifications, and in Source or Object form,
+provided that You meet the following conditions:
+
+* **(a)** You must give any other recipients of the Work or Derivative Works a copy of
+this License; and
+* **(b)** You must cause any modified files to carry prominent notices stating that You
+changed the files; and
+* **(c)** You must retain, in the Source form of any Derivative Works that You distribute,
+all copyright, patent, trademark, and attribution notices from the Source form
+of the Work, excluding those notices that do not pertain to any part of the
+Derivative Works; and
+* **(d)** If the Work includes a “NOTICE” text file as part of its distribution, then any
+Derivative Works that You distribute must include a readable copy of the
+attribution notices contained within such NOTICE file, excluding those notices
+that do not pertain to any part of the Derivative Works, in at least one of the
+following places: within a NOTICE text file distributed as part of the
+Derivative Works; within the Source form or documentation, if provided along
+with the Derivative Works; or, within a display generated by the Derivative
+Works, if and wherever such third-party notices normally appear. The contents of
+the NOTICE file are for informational purposes only and do not modify the
+License. You may add Your own attribution notices within Derivative Works that
+You distribute, alongside or as an addendum to the NOTICE text from the Work,
+provided that such additional attribution notices cannot be construed as
+modifying the License.
+
+You may add Your own copyright statement to Your modifications and may provide
+additional or different license terms and conditions for use, reproduction, or
+distribution of Your modifications, or for any such Derivative Works as a whole,
+provided Your use, reproduction, and distribution of the Work otherwise complies
+with the conditions stated in this License.
+
+#### 5. Submission of Contributions
+
+Unless You explicitly state otherwise, any Contribution intentionally submitted
+for inclusion in the Work by You to the Licensor shall be under the terms and
+conditions of this License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the terms of
+any separate license agreement you may have executed with Licensor regarding
+such Contributions.
+
+#### 6. Trademarks
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+#### 7. Disclaimer of Warranty
+
+Unless required by applicable law or agreed to in writing, Licensor provides the
+Work (and each Contributor provides its Contributions) on an “AS IS” BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+including, without limitation, any warranties or conditions of TITLE,
+NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
+solely responsible for determining the appropriateness of using or
+redistributing the Work and assume any risks associated with Your exercise of
+permissions under this License.
+
+#### 8. Limitation of Liability
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License or
+out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction, or
+any and all other commercial damages or losses), even if such Contributor has
+been advised of the possibility of such damages.
+
+#### 9. Accepting Warranty or Additional Liability
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity, or
+other liability obligations and/or rights consistent with this License. However,
+in accepting such obligations, You may act only on Your own behalf and on Your
+sole responsibility, not on behalf of any other Contributor, and only if You
+agree to indemnify, defend, and hold each Contributor harmless for any liability
+incurred by, or claims asserted against, such Contributor by reason of your
+accepting any such warranty or additional liability.
+
+_END OF TERMS AND CONDITIONS_
+
+### APPENDIX: How to apply the Apache License to your work
+
+To apply the Apache License to your work, attach the following boilerplate
+notice, with the fields enclosed by brackets `[]` replaced with your own
+identifying information. (Don't include the brackets!) The text should be
+enclosed in the appropriate comment syntax for the file format. We also
+recommend that a file or class name and description of purpose be included on
+the same “printed page” as the copyright notice for easier identification within
+third-party archives.
+
+    Copyright [yyyy] [name of copyright owner]
+    
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    
+      http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+

Devices/cyd-2432s028r/Source/Configuration.cpp

@@ -1,32 +0,0 @@
-#include "devices/Display.h"
-#include <driver/gpio.h>
-
-#include <Tactility/hal/Configuration.h>
-#include <PwmBacklight.h>
-
-using namespace tt::hal;
-
-static bool initBoot() {
-    // Set the RGB LED Pins to output and turn them off
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT)); // Red
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT)); // Green
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT)); // Blue
-
-    // 0 on, 1 off
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_4, 1)); // Red
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1)); // Green
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_17, 1)); // Blue
-
-    return driver::pwmbacklight::init(LCD_PIN_BACKLIGHT);
-}
-
-static DeviceVector createDevices() {
-    return {
-        createDisplay(),
-    };
-}
-
-extern const Configuration hardwareConfiguration = {
-    .initBoot = initBoot,
-    .createDevices = createDevices
-};

Devices/cyd-2432s028r/Source/devices/Display.cpp

@@ -1,49 +0,0 @@
-#include "Display.h"
-#include "Xpt2046SoftSpi.h"
-#include <Ili934xDisplay.h>
-#include <PwmBacklight.h>
-
-static std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
-    auto configuration = std::make_unique<Xpt2046SoftSpi::Configuration>(
-        TOUCH_MOSI_PIN,
-        TOUCH_MISO_PIN,
-        TOUCH_SCK_PIN,
-        TOUCH_CS_PIN,
-        LCD_HORIZONTAL_RESOLUTION,
-        LCD_VERTICAL_RESOLUTION,
-        false, // swapXY
-        true, // mirrorX
-        false // mirrorY
-    );
-
-    return std::make_shared<Xpt2046SoftSpi>(std::move(configuration));
-}
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
-    Ili934xDisplay::Configuration panel_configuration = {
-        .horizontalResolution = LCD_HORIZONTAL_RESOLUTION,
-        .verticalResolution = LCD_VERTICAL_RESOLUTION,
-        .gapX = 0,
-        .gapY = 0,
-        .swapXY = false,
-        .mirrorX = true,
-        .mirrorY = false,
-        .invertColor = false,
-        .swapBytes = true,
-        .bufferSize = LCD_BUFFER_SIZE,
-        .touch = createTouch(),
-        .backlightDutyFunction = driver::pwmbacklight::setBacklightDuty,
-        .resetPin = GPIO_NUM_NC,
-        .rgbElementOrder = LCD_RGB_ELEMENT_ORDER_BGR
-    };
-
-    auto spi_configuration = std::make_shared<Ili934xDisplay::SpiConfiguration>(Ili934xDisplay::SpiConfiguration {
-        .spiHostDevice = LCD_SPI_HOST,
-        .csPin = LCD_PIN_CS,
-        .dcPin = LCD_PIN_DC,
-        .pixelClockFrequency = 40'000'000,
-        .transactionQueueDepth = 10
-    });
-
-    return std::make_shared<Ili934xDisplay>(panel_configuration, spi_configuration, true);
-}

Devices/cyd-2432s028r/Source/devices/Display.h

@@ -1,27 +0,0 @@
-#pragma once
-
-#include <Tactility/hal/display/DisplayDevice.h>
-#include <driver/gpio.h>
-#include <driver/spi_common.h>
-#include <memory>
-
-// Display
-constexpr auto LCD_SPI_HOST = SPI2_HOST;
-constexpr auto LCD_PIN_CS = GPIO_NUM_15;
-constexpr auto LCD_PIN_DC = GPIO_NUM_2;
-constexpr auto LCD_HORIZONTAL_RESOLUTION = 240;
-constexpr auto LCD_VERTICAL_RESOLUTION = 320;
-constexpr auto LCD_BUFFER_HEIGHT = LCD_VERTICAL_RESOLUTION / 10;
-constexpr auto LCD_BUFFER_SIZE = LCD_HORIZONTAL_RESOLUTION * LCD_BUFFER_HEIGHT;
-
-// Display backlight (PWM)
-constexpr auto LCD_PIN_BACKLIGHT = GPIO_NUM_21;
-
-// Touch (Software SPI)
-constexpr auto TOUCH_MISO_PIN = GPIO_NUM_39;
-constexpr auto TOUCH_MOSI_PIN = GPIO_NUM_32;
-constexpr auto TOUCH_SCK_PIN = GPIO_NUM_25;
-constexpr auto TOUCH_CS_PIN = GPIO_NUM_33;
-constexpr auto TOUCH_IRQ_PIN = GPIO_NUM_36;
-
-std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Devices/cyd-2432s028r/Source/module.cpp

@@ -1,23 +0,0 @@
-#include <tactility/module.h>
-
-extern "C" {
-
-static error_t start() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-static error_t stop() {
-    // Empty for now
-    return ERROR_NONE;
-}
-
-struct Module cyd_2432s028r_module = {
-    .name = "cyd-2432s028r",
-    .start = start,
-    .stop = stop,
-    .symbols = nullptr,
-    .internal = nullptr
-};
-
-}

Devices/cyd-2432s028r/cyd,2432s028r.dts

@@ -1,18 +1,26 @@
 /dts-v1/;
 
 #include <tactility/bindings/root.h>
+#include <tactility/bindings/esp32_wifi_pinned.h>
 #include <tactility/bindings/esp32_gpio.h>
 #include <tactility/bindings/esp32_i2c.h>
 #include <tactility/bindings/esp32_spi.h>
 #include <tactility/bindings/esp32_uart.h>
 #include <tactility/bindings/esp32_sdspi.h>
-#include <tactility/bindings/display_placeholder.h>
-#include <tactility/bindings/touch_placeholder.h>
+#include <tactility/bindings/esp32_pwm_ledc.h>
+#include <tactility/bindings/pwm_backlight.h>
+#include <tactility/bindings/rgb_led_pwm.h>
+#include <bindings/ili9341.h>
+#include <bindings/xpt2046_softspi.h>
 
 / {
 	compatible = "root";
 	model = "CYD 2432S028R";
 
+	wifi0 {
+		compatible = "espressif,esp32-wifi-pinned";
+	};
+
 	gpio0 {
 		compatible = "espressif,esp32-gpio";
 		gpio-count = <40>;
@@ -26,21 +34,87 @@
 		pin-scl = <&gpio0 22 GPIO_FLAG_NONE>;
 	};
 
+	rgb_led_channel_red {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 4 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <0>;
+		inverted;
+	};
+
+	rgb_led_channel_green {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 16 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <1>;
+		inverted;
+	};
+
+	rgb_led_channel_blue {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 17 GPIO_FLAG_NONE>;
+		period-ns = <500000>;
+		ledc-timer = <0>;
+		ledc-channel = <2>;
+		inverted;
+	};
+
+	display_backlight_pwm {
+		compatible = "espressif,esp32-pwm-ledc";
+		pin = <&gpio0 21 GPIO_FLAG_NONE>;
+		period-ns = <1953125>;
+		ledc-timer = <1>;
+		ledc-channel = <3>;
+	};
+
+	rgb_led_pwm {
+		compatible = "rgb-led-pwm";
+		pwm-red = <&rgb_led_channel_red>;
+		pwm-green = <&rgb_led_channel_green>;
+		pwm-blue = <&rgb_led_channel_blue>;
+		// Default is red, and we want to reset it to off by default
+		default-color = <0 0 0>;
+		enabled;
+	};
+
+	display_backlight {
+		compatible = "pwm-backlight";
+		// Off by default so display power-on won't show the screen from before the last power loss.
+		// The display backlight is turned on during the boot process.
+		status = "disabled";
+		pwm = <&display_backlight_pwm>;
+	};
+
+	touch {
+		compatible = "xptek,xpt2046-softspi";
+		pin-mosi = <&gpio0 32 GPIO_FLAG_NONE>;
+		pin-miso = <&gpio0 39 GPIO_FLAG_NONE>;
+		pin-sck = <&gpio0 25 GPIO_FLAG_NONE>;
+		pin-cs = <&gpio0 33 GPIO_FLAG_NONE>;
+		x-max = <240>;
+		y-max = <320>;
+		mirror-x;
+	};
+
 	spi0 {
 		compatible = "espressif,esp32-spi";
 		host = <SPI2_HOST>;
-		cs-gpios = <&gpio0 15 GPIO_FLAG_NONE>, // Display
-		           <&gpio0 33 GPIO_FLAG_NONE>; // Touch
+		cs-gpios = <&gpio0 15 GPIO_FLAG_NONE>;
 		pin-mosi = <&gpio0 13 GPIO_FLAG_NONE>;
 		pin-miso = <&gpio0 12 GPIO_FLAG_NONE>;
 		pin-sclk = <&gpio0 14 GPIO_FLAG_NONE>;
 
 		display@0 {
-			compatible = "display-placeholder";
-		};
-
-		touch@1 {
-			compatible = "touch-placeholder";
+			compatible = "ilitek,ili9341";
+			horizontal-resolution = <240>;
+			vertical-resolution = <320>;
+			mirror-x;
+			bgr-order;
+			pixel-clock-hz = <40000000>;
+			pin-dc = <&gpio0 2 GPIO_FLAG_NONE>;
+			backlight = <&display_backlight>;
 		};
 	};
 

Devices/cyd-2432s028r/device.properties

@@ -1,7 +1,7 @@
 general.vendor=CYD
 general.name=2432S028R
 
-apps.launcherAppId=Launcher
+apps.launcherAppId=tactility.launcher
 
 hardware.target=ESP32
 hardware.flashSize=4MB
@@ -13,6 +13,9 @@ display.size=2.8"
 display.shape=rectangle
 display.dpi=143
 
+touch.calibrationSupported=true
+touch.calibrationRequired=false
+
 cdn.warningMessage=There are 3 hardware variants of this board. This build works on the original variant only ("v1").
 
 lvgl.colorDepth=16

Devices/cyd-2432s028r/devicetree.yaml

@@ -1,3 +1,5 @@
 dependencies:
   - Platforms/platform-esp32
+  - Drivers/ili9341-module
+  - Drivers/xpt2046-softspi-module
 dts: cyd,2432s028r.dts

Devices/cyd-2432s028r/source/module.cpp

@@ -0,0 +1,9 @@
+#include <tactility/module.h>
+
+extern "C" {
+
+Module cyd_2432s028r_module = {
+    .name = "cyd-2432s028r"
+};
+
+}

Devices/cyd-2432s028rv3/CMakeLists.txt

@@ -1,7 +1,6 @@
-file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+file(GLOB_RECURSE SOURCE_FILES source/*.c*)
 
 idf_component_register(
     SRCS ${SOURCE_FILES}
-    INCLUDE_DIRS "Source"
-    REQUIRES Tactility esp_lvgl_port ST7789 XPT2046SoftSPI PwmBacklight driver vfs fatfs
+    REQUIRES TactilityKernel
 )

Devices/cyd-2432s028rv3/LICENSE-Apache-2.0.md

@@ -0,0 +1,195 @@
+Apache License
+==============
+
+_Version 2.0, January 2004_  
+_&lt;<http://www.apache.org/licenses/>&gt;_
+
+### Terms and Conditions for use, reproduction, and distribution
+
+#### 1. Definitions
+
+“License” shall mean the terms and conditions for use, reproduction, and
+distribution as defined by Sections 1 through 9 of this document.
+
+“Licensor” shall mean the copyright owner or entity authorized by the copyright
+owner that is granting the License.
+
+“Legal Entity” shall mean the union of the acting entity and all other entities
+that control, are controlled by, or are under common control with that entity.
+For the purposes of this definition, “control” means **(i)** the power, direct or
+indirect, to cause the direction or management of such entity, whether by
+contract or otherwise, or **(ii)** ownership of fifty percent (50%) or more of the
+outstanding shares, or **(iii)** beneficial ownership of such entity.
+
+“You” (or “Your”) shall mean an individual or Legal Entity exercising
+permissions granted by this License.
+
+“Source” form shall mean the preferred form for making modifications, including
+but not limited to software source code, documentation source, and configuration
+files.
+
+“Object” form shall mean any form resulting from mechanical transformation or
+translation of a Source form, including but not limited to compiled object code,
+generated documentation, and conversions to other media types.
+
+“Work” shall mean the work of authorship, whether in Source or Object form, made
+available under the License, as indicated by a copyright notice that is included
+in or attached to the work (an example is provided in the Appendix below).
+
+“Derivative Works” shall mean any work, whether in Source or Object form, that
+is based on (or derived from) the Work and for which the editorial revisions,
+annotations, elaborations, or other modifications represent, as a whole, an
+original work of authorship. For the purposes of this License, Derivative Works
+shall not include works that remain separable from, or merely link (or bind by
+name) to the interfaces of, the Work and Derivative Works thereof.
+
+“Contribution” shall mean any work of authorship, including the original version
+of the Work and any modifications or additions to that Work or Derivative Works
+thereof, that is intentionally submitted to Licensor for inclusion in the Work
+by the copyright owner or by an individual or Legal Entity authorized to submit
+on behalf of the copyright owner. For the purposes of this definition,
+“submitted” means any form of electronic, verbal, or written communication sent
+to the Licensor or its representatives, including but not limited to
+communication on electronic mailing lists, source code control systems, and
+issue tracking systems that are managed by, or on behalf of, the Licensor for
+the purpose of discussing and improving the Work, but excluding communication
+that is conspicuously marked or otherwise designated in writing by the copyright
+owner as “Not a Contribution.”
+
+“Contributor” shall mean Licensor and any individual or Legal Entity on behalf
+of whom a Contribution has been received by Licensor and subsequently
+incorporated within the Work.
+
+#### 2. Grant of Copyright License
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable copyright license to reproduce, prepare Derivative Works of,
+publicly display, publicly perform, sublicense, and distribute the Work and such
+Derivative Works in Source or Object form.
+
+#### 3. Grant of Patent License
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable (except as stated in this section) patent license to make, have
+made, use, offer to sell, sell, import, and otherwise transfer the Work, where
+such license applies only to those patent claims licensable by such Contributor
+that are necessarily infringed by their Contribution(s) alone or by combination
+of their Contribution(s) with the Work to which such Contribution(s) was
+submitted. If You institute patent litigation against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that the Work or a
+Contribution incorporated within the Work constitutes direct or contributory
+patent infringement, then any patent licenses granted to You under this License
+for that Work shall terminate as of the date such litigation is filed.
+
+#### 4. Redistribution
+
+You may reproduce and distribute copies of the Work or Derivative Works thereof
+in any medium, with or without modifications, and in Source or Object form,
+provided that You meet the following conditions:
+
+* **(a)** You must give any other recipients of the Work or Derivative Works a copy of
+this License; and
+* **(b)** You must cause any modified files to carry prominent notices stating that You
+changed the files; and
+* **(c)** You must retain, in the Source form of any Derivative Works that You distribute,
+all copyright, patent, trademark, and attribution notices from the Source form
+of the Work, excluding those notices that do not pertain to any part of the
+Derivative Works; and
+* **(d)** If the Work includes a “NOTICE” text file as part of its distribution, then any
+Derivative Works that You distribute must include a readable copy of the
+attribution notices contained within such NOTICE file, excluding those notices
+that do not pertain to any part of the Derivative Works, in at least one of the
+following places: within a NOTICE text file distributed as part of the
+Derivative Works; within the Source form or documentation, if provided along
+with the Derivative Works; or, within a display generated by the Derivative
+Works, if and wherever such third-party notices normally appear. The contents of
+the NOTICE file are for informational purposes only and do not modify the
+License. You may add Your own attribution notices within Derivative Works that
+You distribute, alongside or as an addendum to the NOTICE text from the Work,
+provided that such additional attribution notices cannot be construed as
+modifying the License.
+
+You may add Your own copyright statement to Your modifications and may provide
+additional or different license terms and conditions for use, reproduction, or
+distribution of Your modifications, or for any such Derivative Works as a whole,
+provided Your use, reproduction, and distribution of the Work otherwise complies
+with the conditions stated in this License.
+
+#### 5. Submission of Contributions
+
+Unless You explicitly state otherwise, any Contribution intentionally submitted
+for inclusion in the Work by You to the Licensor shall be under the terms and
+conditions of this License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the terms of
+any separate license agreement you may have executed with Licensor regarding
+such Contributions.
+
+#### 6. Trademarks
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+#### 7. Disclaimer of Warranty
+
+Unless required by applicable law or agreed to in writing, Licensor provides the
+Work (and each Contributor provides its Contributions) on an “AS IS” BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+including, without limitation, any warranties or conditions of TITLE,
+NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
+solely responsible for determining the appropriateness of using or
+redistributing the Work and assume any risks associated with Your exercise of
+permissions under this License.
+
+#### 8. Limitation of Liability
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License or
+out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction, or
+any and all other commercial damages or losses), even if such Contributor has
+been advised of the possibility of such damages.
+
+#### 9. Accepting Warranty or Additional Liability
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity, or
+other liability obligations and/or rights consistent with this License. However,
+in accepting such obligations, You may act only on Your own behalf and on Your
+sole responsibility, not on behalf of any other Contributor, and only if You
+agree to indemnify, defend, and hold each Contributor harmless for any liability
+incurred by, or claims asserted against, such Contributor by reason of your
+accepting any such warranty or additional liability.
+
+_END OF TERMS AND CONDITIONS_
+
+### APPENDIX: How to apply the Apache License to your work
+
+To apply the Apache License to your work, attach the following boilerplate
+notice, with the fields enclosed by brackets `[]` replaced with your own
+identifying information. (Don't include the brackets!) The text should be
+enclosed in the appropriate comment syntax for the file format. We also
+recommend that a file or class name and description of purpose be included on
+the same “printed page” as the copyright notice for easier identification within
+third-party archives.
+
+    Copyright [yyyy] [name of copyright owner]
+    
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    
+      http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+

Devices/cyd-2432s028rv3/Source/Configuration.cpp

@@ -1,32 +0,0 @@
-#include "devices/Display.h"
-#include <driver/gpio.h>
-
-#include <Tactility/hal/Configuration.h>
-#include <PwmBacklight.h>
-
-using namespace tt::hal;
-
-static bool initBoot() {
-    // Set the RGB LED Pins to output and turn them off
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT)); // Red
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT)); // Green
-    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT)); // Blue
-
-    // 0 on, 1 off
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_4, 1)); // Red
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1)); // Green
-    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_17, 1)); // Blue
-
-    return driver::pwmbacklight::init(LCD_PIN_BACKLIGHT);
-}
-
-static DeviceVector createDevices() {
-    return {
-        createDisplay(),
-    };
-}
-
-extern const Configuration hardwareConfiguration = {
-    .initBoot = initBoot,
-    .createDevices = createDevices
-};