feat: 添加 UI 组件支持，整合界面元素和全局变量管理

components/ui/ui.c

@@ -0,0 +1,32 @@
+#include "ui.h"
+#include "screens.h"
+#include "images.h"
+#include "actions.h"
+#include "vars.h"
+
+#include <string.h>
+
+static int16_t currentScreen = -1;
+
+static lv_obj_t *getLvglObjectFromIndex(int32_t index) {
+    if (index == -1) {
+        return 0;
+    }
+    return ((lv_obj_t **)&objects)[index];
+}
+
+void loadScreen(enum ScreensEnum screenId) {
+    currentScreen = screenId - 1;
+    lv_obj_t *screen = getLvglObjectFromIndex(currentScreen);
+    lv_scr_load_anim(screen, LV_SCR_LOAD_ANIM_FADE_IN, 200, 0, false);
+}
+
+void ui_init() {
+    create_screens();
+    loadScreen(SCREEN_ID_MAIN);
+
+}
+
+void ui_tick() {
+    tick_screen(currentScreen);
+}