From a6cbf3146a67f9022f94682e673ef5a27db17303 Mon Sep 17 00:00:00 2001
From: "Man, Jianting (Meco)" <920369182@qq.com>
Date: Tue, 10 May 2022 13:55:22 -0400
Subject: [PATCH] improve rt-thread initialization process (#3345)

---
 env_support/rt-thread/lv_rt_thread_port.c | 54 ++++++++++++++++++-----
 1 file changed, 44 insertions(+), 10 deletions(-)

diff --git a/env_support/rt-thread/lv_rt_thread_port.c b/env_support/rt-thread/lv_rt_thread_port.c
index a438a4111..60218c34a 100644
--- a/env_support/rt-thread/lv_rt_thread_port.c
+++ b/env_support/rt-thread/lv_rt_thread_port.c
@@ -5,40 +5,74 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2021-10-18     Meco Man     The first version
+ * 2021-10-18     Meco Man     the first version
+ * 2022-05-10     Meco Man     improve rt-thread initialization process
  */
 
 #ifdef __RTTHREAD__
 
+#include <lvgl.h>
 #include <rtthread.h>
+
 #define DBG_TAG    "LVGL"
 #define DBG_LVL    DBG_INFO
 #include <rtdbg.h>
 
-#include <lvgl.h>
-#include <lv_port_disp.h>
-#include <lv_port_indev.h>
+#ifndef LVGL_THREAD_STACK_SIZE
+#define LVGL_THREAD_STACK_SIZE 4096
+#endif /* LVGL_THREAD_STACK_SIZE */
+
+#ifndef LVGL_THREAD_PRIO
+#define LVGL_THREAD_PRIO (RT_THREAD_PRIORITY_MAX*2/3)
+#endif /* LVGL_THREAD_PRIO */
+
+extern void lv_port_disp_init(void);
+extern void lv_port_indev_init(void);
+extern void lv_user_gui_init(void);
+
+static struct rt_thread lvgl_thread;
+static rt_uint8_t lvgl_thread_stack[LVGL_THREAD_STACK_SIZE];
 
 #if LV_USE_LOG
 static void lv_rt_log(const char *buf)
 {
     LOG_I(buf);
 }
-#endif
+#endif /* LV_USE_LOG */
 
-static int lv_port_init(void)
+static void lvgl_thread_entry(void *parameter)
 {
 #if LV_USE_LOG
     lv_log_register_print_cb(lv_rt_log);
-#endif
-
+#endif /* LV_USE_LOG */
     lv_init();
-
     lv_port_disp_init();
     lv_port_indev_init();
+    lv_user_gui_init();
+
+    /* handle the tasks of LVGL */
+    while(1)
+    {
+        lv_task_handler();
+        rt_thread_mdelay(10);
+    }
+}
+
+static int lvgl_thread_init(void)
+{
+    rt_err_t err;
+
+    err = rt_thread_init(&lvgl_thread, "LVGL", lvgl_thread_entry, RT_NULL,
+           &lvgl_thread_stack[0], sizeof(lvgl_thread_stack), LVGL_THREAD_PRIO, 0);
+    if(err != RT_EOK)
+    {
+        LOG_E("Failed to create LVGL thread");
+        return -1;
+    }
+    rt_thread_startup(&lvgl_thread);
 
     return 0;
 }
-INIT_COMPONENT_EXPORT(lv_port_init);
+INIT_ENV_EXPORT(lvgl_thread_init);
 
 #endif /*__RTTHREAD__*/