[stm32l475]优化LVGL初始化流程和结构 (#5919)

* [lvgl] 代码精炼

* delet lv_port_indev.c

* Update Kconfig

bsp/stm32/stm32l475-atk-pandora/applications/lvgl/demo/SConscript

@@ -12,5 +12,6 @@ for d in list:
     if os.path.isfile(os.path.join(path, 'SConscript')):
         group = group + SConscript(os.path.join(d, 'SConscript'))
 
-group = group + DefineGroup('LVGL-port', src, depend = ['BSP_USING_LVGL'], CPPPATH = CPPPATH)
+group = group + DefineGroup('LVGL-demo', src, depend = ['BSP_USING_LVGL', 'BSP_USING_LVGL_DEMO'], CPPPATH = CPPPATH)
+
 Return('group')

bsp/stm32/stm32l475-atk-pandora/applications/lvgl/lv_port_disp.h → bsp/stm32/stm32l475-atk-pandora/applications/lvgl/demo/lv_demo.c

@@ -4,20 +4,16 @@
  * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
- * Date           Author       Notes
- * 2021-10-18     Meco Man     The first version
+ * Date           Author        Notes
+ * 2021-10-17     Meco Man      first version
+ * 2022-05-10     Meco Man      improve rt-thread initialization process
  */
-#ifndef LV_PORT_DISP_H
-#define LV_PORT_DISP_H
+#include <lvgl.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+extern void lv_demo_calendar(void);
 
-void lv_port_disp_init(void);
-
-#ifdef __cplusplus
-} /*extern "C"*/
-#endif
-
-#endif
+void lv_user_gui_init(void)
+{
+    /* display demo */
+    lv_demo_calendar();
+}

bsp/stm32/stm32l475-atk-pandora/applications/lvgl/demo/lv_demo_calendar.c

 #include <lvgl.h>
-#include "lv_demo_calendar.h"
 #include <drv_lcd.h>
 
 static void event_handler(lv_event_t * e)

bsp/stm32/stm32l475-atk-pandora/applications/lvgl/demo/lv_demo_calendar.h

-#ifndef __LV_DEMO_CALENDAR_H__
-#define __LV_DEMO_CALENDAR_H__
-
-void lv_demo_calendar(void);
-
-#endif

bsp/stm32/stm32l475-atk-pandora/applications/lvgl/lv_demo.c

-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author        Notes
- * 2021-10-17     Meco Man      First version
- */
-#include <rtthread.h>
-#include <lvgl.h>
-#include <lv_port_indev.h>
-#include <lv_demo_calendar.h>
-#define DBG_TAG    "LVGL.demo"
-#define DBG_LVL    DBG_INFO
-#include <rtdbg.h>
-
-#ifndef LV_THREAD_STACK_SIZE
-#define LV_THREAD_STACK_SIZE 4096
-#endif
-
-#ifndef LV_THREAD_PRIO
-#define LV_THREAD_PRIO (RT_THREAD_PRIORITY_MAX*2/3)
-#endif
-
-static void lvgl_thread(void *parameter)
-{
-    /*assign buttons to coordinates*/
-    const lv_point_t points_array[] =  {{200,35},{0,0},{70,35},{0,0}};
-    lv_indev_set_button_points(button_indev, points_array);
-
-    /* display demo; you may replace with your LVGL application at here */
-    lv_demo_calendar();
-
-    /* handle the tasks of LVGL */
-    while(1)
-    {
-        lv_task_handler();
-        rt_thread_mdelay(10);
-    }
-}
-
-static int lvgl_demo_init(void)
-{
-    rt_thread_t tid;
-
-    tid = rt_thread_create("LVGL", lvgl_thread, RT_NULL, LV_THREAD_STACK_SIZE, LV_THREAD_PRIO, 0);
-    if(tid == RT_NULL)
-    {
-        LOG_E("Fail to create 'LVGL' thread");
-    }
-    rt_thread_startup(tid);
-
-    return 0;
-}
-INIT_APP_EXPORT(lvgl_demo_init);

bsp/stm32/stm32l475-atk-pandora/applications/lvgl/lv_port_indev.c

@@ -83,6 +83,8 @@ void button_read(lv_indev_drv_t * drv, lv_indev_data_t*data)
 void lv_port_indev_init(void)
 {
     static lv_indev_drv_t indev_drv;
+    /*assign buttons to coordinates*/
+    static lv_point_t points_array[] =  {{200,35},{0,0},{70,35},{0,0}};
 
     /* Initialize the on-board buttons */
     rt_pin_mode(BUTTON0_PIN, PIN_MODE_INPUT);
@@ -96,4 +98,6 @@ void lv_port_indev_init(void)
 
     /*Register the driver in LVGL and save the created input device object*/
     button_indev = lv_indev_drv_register(&indev_drv);
+
+    lv_indev_set_button_points(button_indev, points_array);
 }

bsp/stm32/stm32l475-atk-pandora/applications/lvgl/lv_port_indev.h

-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2021-10-18     Meco Man     The first version
- */
-#ifndef LV_PORT_INDEV_H
-#define LV_PORT_INDEV_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void lv_port_indev_init(void);
-
-#ifdef __cplusplus
-} /*extern "C"*/
-#endif
-
-#endif

bsp/stm32/stm32l475-atk-pandora/board/Kconfig

@@ -96,6 +96,12 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_SPI_LCD
         default n
 
+    if BSP_USING_LVGL
+        config BSP_USING_LVGL_DEMO
+            bool "Enable LVGL demo"
+            default n
+    endif
+
     config BSP_USING_SDCARD
         bool "Enable SDCARD (spi1)"
         select BSP_USING_SPI