feat(rt-thread): implement rt-thread sconscirpt (#2674)

rt-thread/lv_rt_thread_port.c

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-10-18     Meco Man     The first version
+ */
+
+#include <rtthread.h>
+#include <lvgl.h>
+#define DBG_TAG    "LVGL"
+#define DBG_LVL    DBG_INFO
+#include <rtdbg.h>
+
+#if LV_USE_LOG && LV_LOG_PRINTF
+static void lv_rt_log(const char *buf)
+{
+    LOG_I(buf);
+}
+#endif
+
+static int lv_port_init(void)
+{
+#if LV_USE_LOG && LV_LOG_PRINTF
+    lv_log_register_print_cb(lv_rt_log);
+#endif
+
+    return 0;
+}
+INIT_COMPONENT_EXPORT(lv_port_init);