Merge develop into main branch (#137)

* 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

TactilityC/Source/tt_timer.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef void* TimerHandle;
+
+typedef enum {
+    TimerTypeOnce = 0,    ///< One-shot timer.
+    TimerTypePeriodic = 1 ///< Repeating timer.
+} TimerType;
+
+typedef enum {
+    TimerThreadPriorityNormal,   /**< Lower then other threads */
+    TimerThreadPriorityElevated, /**< Same as other threads */
+} TimerThreadPriority;
+
+typedef void (*TimerCallback)(void* context);
+typedef void (*TimerPendingCallback)(void* context, uint32_t arg);
+
+TimerHandle tt_timer_alloc(TimerType type, TimerCallback callback, void* callbackContext);
+void tt_timer_free(TimerHandle handle);
+bool tt_timer_start(TimerHandle handle, uint32_t intervalTicks);
+bool tt_timer_restart(TimerHandle handle, uint32_t intervalTicks);
+bool tt_timer_stop(TimerHandle handle);
+bool tt_timer_is_running(TimerHandle handle);
+uint32_t tt_timer_get_expire_time(TimerHandle handle);
+bool tt_timer_set_pending_callback(TimerHandle handle, TimerPendingCallback callback, void* callbackContext, uint32_t arg);
+void tt_timer_set_thread_priority(TimerHandle handle, TimerThreadPriority priority);
+
+#ifdef __cplusplus
+}
+#endif