- Add kernel support for SPI driver
- Add kernel support for UART driver
- Implemented ESP32 UART kernel driver
- Update existing UART-related code in Tactility to use new kernel driver
- Remove UART from tt::hal::Configuration
- Remove tt_hal_uart functionality but keep functions for now
- Update devicetrees for UART changes
- Kernel mutex and recursive mutex: improved locking API design
- Other kernel improvements
- Added device_exists_of_type() and device_find_by_name()
* **New Features**
* Added a full SDK integration test suite with a minimal sample app and automated multi-platform build/run flows.
* Added a new CLI build tool to orchestrate SDK download, build, packaging, and device install/run.
* **Documentation**
* Added typography design token suggestion to ideas.
* **Chores**
* Updated CI to run SDK integration prep and test steps.
* Adjusted build artifact paths, license mappings, and repository ignore rules (including .tactility).
* **New Features**
* Added public accessors for querying module/device start and ready state.
* **Refactor**
* Internal state moved to opaque internal objects; module/device/driver initializers now explicitly initialize internal pointers.
* Lifecycle handling updated to construct/destruct internal state and use accessors.
* **Tests**
* Tests updated to use public accessors and explicit construct/destruct lifecycle calls.
* **Chores**
* Test build/include paths and small metadata updated.
* **New Features**
* Expanded public device and driver APIs (accessors, sync, lifecycle, binding) and a module construct+start helper.
* Added kernel symbol registry and new exported symbols (lvgl, C++ nothrow, I2S APIs, additional math funcs).
* **Refactor**
* Renamed device traversal APIs for consistency (device_for_each*).
* Moved inline helpers to explicit public declarations.
* **Chores**
* Replaced several shell release scripts with Python-based SDK release tooling.
* **Style**
* Header naming consistency fixes.
* **New Features**
* Centralized module management with global symbol resolution
* Level-aware logging with colored prefixes and millisecond timestamps
* **Breaking Changes**
* ModuleParent hierarchy and getModuleParent() removed
* Logging API and adapter model replaced; LogLevel-driven log_generic signature changed
* **Improvements**
* Unified, simplified module registration across build targets
* Tests updated to reflect new module lifecycle and global symbol resolution
* **New Features**
- Adds module symbol support and per-module symbol tables, including LVGL symbol exports moved into a dedicated table.
* **API**
- Adds symbol-resolution APIs and an accessor to enable dynamic lookup between modules.
* **Bug Fixes / Chores**
- Explicitly initializes module symbol pointers across device and platform modules to avoid uninitialized state.
* **Tests**
- Updates tests to account for symbol pointer initialization.
* **New Features**
* Added a standalone LVGL module and enabled LVGL support in the simulator for richer local UI testing.
* **Refactor**
* HAL and LVGL split into distinct modules; startup and device attach/detach flows reorganized for clearer lifecycle management.
* Public APIs tightened with clearer nullability/documentation.
* **Bug Fixes**
* More consistent LVGL start/stop and device attach/detach behavior for improved stability.
* **New Features**
* Added a HAL device module providing device enumeration, type queries and a HAL↔kernel bridge.
* **Improvements**
* Integrated HAL module into startup; standardized module names, includes and lifecycle logging; safer file append behavior; broader build support.
* **API Changes**
* Driver lifecycle now uses explicit add/remove semantics; C and HAL device type/lookup APIs clarified.
* **Chores**
* Added module README and Apache‑2.0 license; updated build configuration to include the new module.
* **Fixes**
* Updated tests and object file handling to behave correctly.
* **New Features**
* Plugin-style modules for platforms and devices with start/stop lifecycle and a runtime-consumable device tree array.
* **Refactor**
* Consolidated initialization into a kernel/module startup flow.
* Generated devicetree artifacts moved to the build Generated directory.
* **Changes**
* Removed legacy no-op registration hooks and I2C lock/unlock wrappers.
* Driver ownership and private state moved to explicit module/owner model.
* Added ERROR_NOT_ALLOWED error code.
* **Documentation**
* Added new C coding style guide detailing naming conventions for files, directories, macros, constants, variables, functions, and type definitions with illustrative examples.
* Updated C++ coding style documentation with clarifications on C naming conventions and header directory organization patterns.
* **Refactor**
* Updated header include paths throughout the codebase to use lowercase naming conventions consistently.
* **New Features**
* Time and delay utilities added (ticks, ms, µs); SD card now uses an expansion-header CS pin; HTTP downloads warn when run on the GUI task and yield to avoid blocking.
* **Bug Fixes / Reliability**
* Many hard-crash paths converted to guarded checks to reduce abrupt termination and improve stability.
* **Tests**
* Unit tests added to validate time and delay accuracy.
* **Chores**
* License header and build/macro updates.
Replace LGPL from past commit with Apache License 2.0 for the newly created projects:
- in Platforms/*
- TactilityKernel
Add license headers to source code in:
- in Platforms/*
- TactilityKernel
- TactilityFreeRtos
Updated LICENSE.md
**New features**
- Created a devicetree DTS and YAML parser in Python
- Created new modules:
- TactilityKernel (LGPL v3.0 license)
- Platforms/PlatformEsp32 (LGPL v3.0 license)
- Platforms/PlatformPosix (LGPL v3.0 license)
- Tests/TactilityKernelTests
Most boards have a placeholder DTS file, while T-Lora Pager has a few devices attached.
**Licenses**
Clarified licenses and copyrights better.
- Add explanation about the intent behind them.
- Added explanation about licenses for past and future subprojects
- Added more details explanations with regards to the logo usage
- Copied licenses to subprojects to make it more explicit
- Add app path get() functions to `TactilityC`
- Improved `Dispatcher` and `DispatcherThread`
- Improved `PubSub` (type safety)
- Created test for `DispatcherThread` and `PubSub`
- Save properties files on app exit (various apps) by posting it to the main dispatcher (fixes UI hanging briefly on app exit)
- Fixed bug with `SystemSettings` being read from the wrong file path.
- `loadPropertiesFile()` now uses `file::readLines()` instead of doing that manually
- Increased timer task stack size (required due to issues when reading a properties file for the very first time)
- General cleanup
- Created `EstimatedPower` driver that uses an ADC pin to measure voltage and estimate the battery charge that is left.
- Cleanup of T-Deck board (updated to new style)
## New
- Read property files with `PropertiesFile`
- Support `boot.properties` so the user can specify the launcher app and an optional app to start after the launcher finishes. (see `BootProperties.cpp`)
- Create registry for CPU affinity and update code to make use of it
- `AppRegistration` and `ServiceRegistration` now also ensure that the `/data` directories always exist for all apps
- `Notes` is now the default app for opening text files. `TextViewer` is removed entirely. Created `tt::app:🎶:start(path)` function.
- WiFi settings moved from NVS to properties file.
- Specify `*.ap.properties` file on the SD card for automatic WiFi settings import on start-up.
- Added `file::getLock(path)` and `file::withLock(path, function)` to do safe file operations on SD cards
## Improvements
- Update TinyUSB to `1.7.6~1`
- Improved `Boot.cpp` code. General code quality fixes and some restructuring to improve readability.
- `tt::string` functionality improvements
- Rename `AppRegistry` to `AppRegistration`
- Rename `ServiceRegistry` to `ServiceRegistration`
- Cleanup in `Notes.cpp`
- `FileTest.cpp` fix for PC
- Created `TestFile` helper class for tests, which automatically deletes files after the test.
- Renamed `Partitions.h` to `MountPoints.h`
- Created `std::string getMountPoints()` function for easy re-use
- Other code quality improvements
- `SdCardDevice`'s `getState()` and `isMounted()` now have a timeout argument
## Fixes
- ELF loading now has a lock so to avoid a bug when 2 ELF apps are loaded in parallel
Various improvements and new internal APIs including a new Development service+app which allows `tactility.py` to upload and run applications remotely.
- Bump version for next release
- Fix default gamma for CYD 2432S032C
- Remember gamma curve setting from Display settings app
- Add UART to Core2 (still has no voltage on Grove port, though)
- LVGL performance improvements: pin to second core and set task priority to "critical"
- Fix build warnings, including deprecations
- Removed deprecated `Thread` constructor
- Fix WaveShare S3 display: Some displays would show a white screen at 12MHz, so I'm putting it back to the
official config values.
- Replace C function pointers with C++ `std::function` in `Thread`, `Timer` and `DispatcherThread`
- Rename `SystemEvent`-related functions
- WiFi: fix auto-connect when WiFi disconnects from bad signal
- WiFi: fix auto-connect when WiFi fails to auto-connect
- WiFi: implement disconnect() when tapping connected WiFi ap in WiFi management app
- Refactored GPS service and HAL: GPS is no longer part of the HAL configuration. You can now add configure new GPS devices from the GPS settings app.
- T-Deck adds a boot hook to check if a GPS configuration exists and adds it when the config is empty.
- Implemented the concept of ObjectFile to read/write arrays of a raw data type (e.g. struct) to disk.
- Implemented more file utils (e.g. to create all directories of a path)
- Added `tt::hal::Device` and functions (de)register devices and search for them.
- Refactored apps: `Power` and `Display` settings apps now use the device API to find devices.
- Implemented the new API for all existing drivers for all devices, including the simulator.
- Updated HAL Configuration to return `std::shared_ptr` instead of raw pointers.
- Added test project for headless tests and implemented tests for the new code.
- Create `Include/` folder for all main projects
- Fix some issues here and there (found while moving things)
- All includes are now in `Tactility/` subfolder and must be included with that prefix. This fixes issues with clashing POSIX headers (e.g. `<semaphore.h>` versus Tactility's `Semaphore.h`)
- Lots of changes for migrating C code to C++
- Improved `Lockable` in several ways like adding `withLock()` (+ tests)
- Improved `Semaphore` a bit for improved readability, and also added some tests
- Upgrade Linux machine in GitHub Actions so that we can compile with a newer GCC
- Simplification of WiFi connection
- Updated funding options
- (and more)
- WiFi Connect app is now hidden by default, but accessible at the bottom of the WiFi Manage app when WiFi is turned on.
- WiFi service now turns on WiFi when calling connect() and WiFi is not on.
- Removed `blocking` option for `service::loader::startApp()`. This feature was unused and complex.
- Various apps: Moved private headers into Private/ folder.
- Various apps: created start() function for easy starting.
- Added documentation to all TactilityC APIs
- Refactored various `enum` into `class enum`
- Refactor M5Stack `initBoot()` (but VBus is still 0V for some reason)
- Various improvements to Thread and Timer:
- Remove "mark as static" option as it is unused
- Implemented core pinning for ESP32 platforms
- Use `TickType_t` consistently (instead of `uint32_t`)
- Use `enum class` instead of `enum`
- Fix for `flash.sh` not working when using `pip` to install `esptool`
- Update `Configuration` to use C++ vector instead of C arrays
- Rename `Desktop` app to `Launcher`
- Fix for hard-coded app start of `Launcher` and `CrashDiagnostics` apps.
- Ensure `Launcher` icons are clickable, even if they're not loading.
- Don't show error scenario for SD card in statusbar when SD card status is unknown (this happens during Mutex timeout due to LVGL rendering delays)
- Cleanup deprecated `Mutex` methods.
- `hal::getConfiguration()` now returns a pointer instead of a reference, just like `tt:getConfiguration()`
* SdCard HAL refactored (#135)
- Refactor SdCard HAL
- introduce Lockable
* Screenshot and FatFS improvements (#136)
- Fix screenshots on ESP32
- Improve Screenshot service
- Convert Screenshot app to class-based instead of structs
- Screenshot app now automatically updates when task is finished
- Enable FatFS long filename support
* Re-use common log messages (#138)
For consistency and binary size reduction
* Toolbar spinner should get margin to the right
* More TactilityC features (#139)
* Rewrote Loader
- Simplified Loader by removing custom threa
- Created DispatcherThread
- Move auto-starting apps to Boot app
- Fixed Dispatcher bug where it could get stuck not processing new
messages
* Hide AP settings if the AP is not saved
* Missing from previous commit
* Replace LV_EVENT_CLICKED with LV_EVENT_SHORT_CLICKED
* Refactored files app and created InputDialog (#140)
- Changed Files app so that it has a View and State
- Files app now allows for long-pressing on files to perform actions
- Files app now has rename and delete actions
- Created InputDialog app
- Improved AlertDialog app layout
* Remove version from artifact name
* Target C++ 20 and higher
* Use cpp string
* Better crash implementation
* String utils in cpp style
* Replace parameter methods with start() method
* MutexType to Mutex::Type
* Kernel c to cpp style
* Cleanup event flag
* More cpp conversions
* Test fixes
* Updated ideas docs
* Boot splash and more
- Added developer sdkconfig
- Refactored the way FreeRTOS includes are included
- Improved Gui/Loader logic
- Implemented boot app with splash screen
* Updated naming for Gui and Loader services
* Renamed Screenshot service methods
* Renames
* Service renames
