Tactility.py 3.0.0 and SDK updates for 0.7.0-dev (#19)

- Remove `Libraries/Str`
- Replaced usage of `TactilityC` FreeRtos features with `TactilityFreeRtos` library
- Update `tactility.py`
- Removed redundant code from `TactilityCpp`

Apps/Diceware/main/Source/Diceware.h

@@ -1,18 +1,21 @@
 #pragma once
 
 #include "tt_app.h"
-#include "tt_thread.h"
 
-#include <Str.h>
+#include <Tactility/Thread.h>
+
+#include <string>
 #include <lvgl.h>
 #include <TactilityCpp/App.h>
 
+#include <memory>
+
 class Diceware final : public App {
 
     AppHandle handle = nullptr;
     lv_obj_t* spinbox = nullptr;
     lv_obj_t* resultLabel = nullptr;
-    ThreadHandle jobThread = nullptr;
+    std::unique_ptr<tt::Thread> jobThread = nullptr;
     uint32_t wordCount = 5;
 
     static void onClickGenerate(lv_event_t* e);
@@ -20,10 +23,10 @@ class Diceware final : public App {
     static void onSpinboxIncrement(lv_event_t* e);
     static void onHelpClicked(lv_event_t* e);
 
-    static int32_t jobMain(void* data);
+    int32_t jobMain();
 
     void startJob(uint32_t jobWordCount);
-    void onFinishJob(Str result);
+    void onFinishJob(std::string result);
     void cleanupJob();
 
 public: