Add Serial Console app and update other apps for new SDK (#10)

Apps/SerialConsole/main/Source/SerialConsole.cpp

@@ -0,0 +1,60 @@
+#include "SerialConsole.h"
+#include <tt_lvgl_toolbar.h>
+
+constexpr auto* TAG = "SerialMonitor";
+
+void SerialConsole::stopActiveView() {
+    if (activeView != nullptr) {
+        activeView->onStop();
+        lv_obj_clean(wrapperWidget);
+        activeView = nullptr;
+    }
+}
+
+void SerialConsole::showConsoleView(std::unique_ptr<Uart> uart) {
+    stopActiveView();
+    activeView = &consoleView;
+    consoleView.onStart(wrapperWidget, std::move(uart));
+    lv_obj_remove_flag(disconnectButton, LV_OBJ_FLAG_HIDDEN);
+}
+
+void SerialConsole::showConnectView() {
+    stopActiveView();
+    activeView = &connectView;
+    connectView.onStart(wrapperWidget);
+    lv_obj_add_flag(disconnectButton, LV_OBJ_FLAG_HIDDEN);
+}
+
+void SerialConsole::onDisconnect() {
+    // Changing views (calling ConsoleView::stop()) also disconnects the UART
+    showConnectView();
+}
+
+void SerialConsole::onDisconnectPressed(lv_event_t* event) {
+    auto* app = static_cast<SerialConsole*>(lv_event_get_user_data(event));
+    app->onDisconnect();
+}
+
+void SerialConsole::onShow(AppHandle appHandle, lv_obj_t* parent) {
+    lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
+    lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);
+
+    auto* toolbar = tt_lvgl_toolbar_create_for_app(parent, appHandle);
+
+    disconnectButton = tt_lvgl_toolbar_add_image_button_action(toolbar, LV_SYMBOL_POWER, onDisconnectPressed, this);
+    lv_obj_add_flag(disconnectButton, LV_OBJ_FLAG_HIDDEN);
+
+    wrapperWidget = lv_obj_create(parent);
+    lv_obj_set_width(wrapperWidget, LV_PCT(100));
+    lv_obj_set_flex_grow(wrapperWidget, 1);
+    lv_obj_set_flex_flow(wrapperWidget, LV_FLEX_FLOW_COLUMN);
+    lv_obj_set_style_pad_all(wrapperWidget, 0, LV_STATE_DEFAULT);
+    lv_obj_set_style_border_width(wrapperWidget, 0, LV_STATE_DEFAULT);
+    lv_obj_set_style_bg_opa(wrapperWidget, 0, LV_STATE_DEFAULT);
+
+    showConnectView();
+}
+
+void SerialConsole::onHide(AppHandle context) {
+    stopActiveView();
+}