lvgl移植完毕，加入dma及双缓冲刷新

controler/User/lvgl/examples/porting/lv_port_disp_template.c

@@ -18,12 +18,12 @@
  *********************/
 #ifndef MY_DISP_HOR_RES
     #warning Please define or replace the macro MY_DISP_HOR_RES with the actual screen width, default value 320 is used for now.
-    #define MY_DISP_HOR_RES    320
+    #define MY_DISP_HOR_RES    240
 #endif
 
 #ifndef MY_DISP_VER_RES
     #warning Please define or replace the macro MY_DISP_HOR_RES with the actual screen height, default value 240 is used for now.
-    #define MY_DISP_VER_RES    240
+    #define MY_DISP_VER_RES    320
 #endif
 
 
@@ -117,7 +117,7 @@ void lv_port_disp_init(void)
     static lv_disp_draw_buf_t draw_buf_dsc_2;
     static lv_color_t buf_2_1[MY_DISP_HOR_RES * 20];                        /*A buffer for 10 rows*/
     static lv_color_t buf_2_2[MY_DISP_HOR_RES * 20];                        /*An other buffer for 10 rows*/
-    lv_disp_draw_buf_init(&draw_buf_dsc_2, buf_2_1, buf_2_2, MY_DISP_HOR_RES * 40);   /*Initialize the display buffer*/
+    lv_disp_draw_buf_init(&draw_buf_dsc_2, buf_2_1, buf_2_2, MY_DISP_HOR_RES * 20);   /*Initialize the display buffer*/
 
 //    /* Example for 3) also set disp_drv.full_refresh = 1 below*/
 //    static lv_disp_draw_buf_t draw_buf_dsc_3;

controler/User/task/config.yaml

@@ -1,6 +1,7 @@
 - delay: 0
   description: ''
-  freq_control: false
+  freq_control: true
-  function: Task_lvgl
+  frequency: 1000.0
-  name: lvgl
+  function: Task_display
+  name: display
   stack: 1024

controler/User/task/display.c

@@ -1,5 +1,5 @@
 /*
-    lvgl Task
+    display Task
     
 */
 
@@ -17,33 +17,55 @@
 /* Private macro ------------------------------------------------------------ */
 /* Private variables -------------------------------------------------------- */
 /* USER STRUCT BEGIN */
+void lv_ex_label(void)
+{
+		char* github_addr = "hahahahahahahahah";
+		lv_obj_t * label = lv_label_create(lv_scr_act());
+    lv_label_set_recolor(label, true);
+    lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR); /*Circular scroll*/
+    lv_obj_set_width(label, 120);
+    lv_label_set_text_fmt(label, "#ff0000 hahahahahahahahaha %s#", github_addr);
+    lv_obj_align(label, LV_ALIGN_CENTER, 0, 10);
 	
+    lv_obj_t * label2 = lv_label_create(lv_scr_act());
+    lv_label_set_recolor(label2, true);
+    lv_label_set_long_mode(label2, LV_LABEL_LONG_SCROLL_CIRCULAR); /*Circular scroll*/
+    lv_obj_set_width(label2, 120);
+    lv_label_set_text_fmt(label2, "#ff0000 hahahahahahaha# #0000ff hahahahahahaha#");
+    lv_obj_align(label2, LV_ALIGN_CENTER, 0, -10);
+}
 /* USER STRUCT END */
 
 /* Private function --------------------------------------------------------- */
 /* Exported functions ------------------------------------------------------- */
-void Task_lvgl(void *argument) {
+void Task_display(void *argument) {
   (void)argument; /* 未使用argument，消除警告 */
 
+  
+  /* 计算任务运行到指定频率需要等待的tick数 */
+  const uint32_t delay_tick = osKernelGetTickFreq() / DISPLAY_FREQ;
+
+  osDelay(DISPLAY_INIT_DELAY); /* 延时一段时间再开启任务 */
+
+  uint32_t tick = osKernelGetTickCount(); /* 控制任务运行频率的计时 */
+  /* USER CODE INIT BEGIN */
+
   lcd_init();
   lv_init();
 
   lv_port_disp_init();
-
+  lv_ex_label();
-  lv_demo_stress();
+  // lv_demo_stress();
-  // osDelay(LVGL_INIT_DELAY); /* 延时一段时间再开启任务 */
-
-  /* USER CODE INIT BEGIN */
-
   /* USER CODE INIT END */
   
   while (1) {
+    tick += delay_tick; /* 计算下一个唤醒时刻 */
+    /* USER CODE BEGIN */
   // lcd_fill(100, 100,200,200,RED);
 lv_task_handler();
-    // lv_timer_handler();
+    lv_tick_inc(1);
-    /* USER CODE BEGIN */
-
     /* USER CODE END */
+    osDelayUntil(tick); /* 运行结束，等待下一次唤醒 */
   }
   
 }

controler/User/task/init.c

@@ -30,7 +30,7 @@ void Task_Init(void *argument) {
   osKernelLock(); /* 锁定内核，防止任务切换 */
   
   /* 创建任务线程 */
-  task_runtime.thread.lvgl = osThreadNew(Task_lvgl, NULL, &attr_lvgl);
+  task_runtime.thread.display = osThreadNew(Task_display, NULL, &attr_display);
 
   // 创建消息队列
   /* USER MESSAGE BEGIN */

controler/User/task/user_task.c

@@ -9,8 +9,8 @@ const osThreadAttr_t attr_init = {
 };
 
 /* User_task */
-const osThreadAttr_t attr_lvgl = {
+const osThreadAttr_t attr_display = {
-    .name = "lvgl",
+    .name = "display",
     .priority = osPriorityNormal,
-    .stack_size = 1024 * 8,
+    .stack_size = 1024 * 4,
 };

controler/User/task/user_task.h

@@ -13,11 +13,11 @@ extern "C" {
 /* USER INCLUDE END */
 /* Exported constants ------------------------------------------------------- */
 /* 任务运行频率 */
-
+#define DISPLAY_FREQ (1000.0)
 
 /* 任务初始化延时ms */
 #define TASK_INIT_DELAY (100u)
-#define LVGL_INIT_DELAY (0)
+#define DISPLAY_INIT_DELAY (0)
 
 /* Exported defines --------------------------------------------------------- */
 /* Exported macro ----------------------------------------------------------- */
@@ -27,7 +27,7 @@ extern "C" {
 typedef struct {
     /* 各任务，也可以叫做线程 */
     struct {
-        osThreadId_t lvgl;
+        osThreadId_t display;
     } thread;
 
     /* USER MESSAGE BEGIN */
@@ -49,17 +49,17 @@ typedef struct {
 
     /* 各任务的stack使用 */
     struct {
-        UBaseType_t lvgl;
+        UBaseType_t display;
     } stack_water_mark;
 
     /* 各任务运行频率 */
     struct {
-
+        float display;
     } freq;
 
     /* 任务最近运行时间 */
     struct {
-
+        float display;
     } last_up_time;
 
 } Task_Runtime_t;
@@ -69,11 +69,11 @@ extern Task_Runtime_t task_runtime;
 
 /* 初始化任务句柄 */
 extern const osThreadAttr_t attr_init;
-extern const osThreadAttr_t attr_lvgl;
+extern const osThreadAttr_t attr_display;
 
 /* 任务函数声明 */
 void Task_Init(void *argument);
-void Task_lvgl(void *argument);
+void Task_display(void *argument);
 
 #ifdef __cplusplus
 }