[BSP][LVGL]An adaptation that creates a buffer in high or low versions

[bsp][stm32]lvgl creates adaptations of buffers in high or low versions

[BSP][LVGL]An adaptation that creates a buffer in high or low versions,code format modifications

[BSP][LVGL]An adaptation that creates a buffer in high or low versions,code format modifications

[bsp][stm32]lvgl creates adaptations of buffers in high or low versions,code format modifications

[bsp][stm32]lvgl creates adaptations of buffers in high or low versions

bsp/stm32/stm32f407-rt-spark/board/ports/lvgl/lv_conf.h

@@ -14,30 +14,25 @@
 #include <rtconfig.h>
 
 #define LV_COLOR_DEPTH          16
-#define LV_USE_PERF_MONITOR     1
 #define MY_DISP_HOR_RES          240
 #define MY_DISP_VER_RES          240
-//#define LV_USE_LOG              1
 
-#ifdef PKG_USING_LV_MUSIC_DEMO
 /* music player demo */
-#define LV_HOR_RES_MAX              MY_DISP_HOR_RES
-#define LV_VER_RES_MAX              MY_DISP_VER_RES
-#define LV_USE_DEMO_RTT_MUSIC       1
-#define LV_DEMO_RTT_MUSIC_AUTO_PLAY 1
-#define LV_FONT_MONTSERRAT_12       1
-#define LV_FONT_MONTSERRAT_16       1
-#define LV_COLOR_SCREEN_TRANSP      1
-
+#ifdef PKG_USING_LV_MUSIC_DEMO
+    #define LV_USE_DEMO_MUSIC           1
+    #define LV_HOR_RES_MAX              MY_DISP_HOR_RES
+    #define LV_VER_RES_MAX              MY_DISP_VER_RES
+    #define LV_USE_DEMO_RTT_MUSIC       1
+    #define LV_DEMO_RTT_MUSIC_AUTO_PLAY 1
+    #define LV_FONT_MONTSERRAT_12       1
+    #define LV_FONT_MONTSERRAT_16       1
+    #define LV_COLOR_SCREEN_TRANSP      1
 #endif
 
-
+#define LV_USE_SYSMON               1
+#define LV_USE_PERF_MONITOR         1
+#define LV_USE_DEMO_WIDGETS         1
+#define LV_FONT_MONTSERRAT_24       1
 #define LV_USE_DEMO_BENCHMARK       1
 
-
-//#define LV_USE_DEMO_WIDGETS         1
-
-
-//#define LV_USE_DEMO_MUSIC           1
-
 #endif

bsp/stm32/stm32f407-rt-spark/board/ports/lvgl/lv_port_disp.c

@@ -26,6 +26,14 @@
     #define MY_DISP_VER_RES    240
 #endif
 
+#if (PKG_LVGL_VER_NUM >= 0x0803FF)
+    #define LV_DISP_TYPE    lv_display_t
+    #define lv_COLOR_TYPE   uint8_t
+#else
+    #define LV_DISP_TYPE    lv_disp_drv_t
+    #define lv_COLOR_TYPE   lv_color_t
+#endif
+
 /**********************
  *      TYPEDEFS
  **********************/
@@ -35,9 +43,7 @@
  **********************/
 static void disp_init(void);
 
-static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p);
-//static void gpu_fill(lv_disp_drv_t * disp_drv, lv_color_t * dest_buf, lv_coord_t dest_width,
-//        const lv_area_t * fill_area, lv_color_t color);
+static void disp_flush(LV_DISP_TYPE * disp_drv, const lv_area_t * area, lv_COLOR_TYPE * color_p);
 
 /**********************
  *  STATIC VARIABLES
@@ -83,9 +89,6 @@ void lv_port_disp_init(void)
      *      and you only need to change the frame buffer's address.
      */
 
-    /* Example for 1) */
-    static lv_disp_draw_buf_t draw_buf_dsc_1;
-
     /*GCC*/
 #if defined ( __GNUC__ )
     static lv_color_t buf_1[MY_DISP_HOR_RES * MY_DISP_HOR_RES / 2] __attribute__((section(".LVGLccm")));                          /*A buffer for 10 rows*/
@@ -94,16 +97,29 @@ void lv_port_disp_init(void)
     __attribute__((at(0x10000000))) lv_color_t buf_1[LCD_H * LCD_W / 2];
 #endif
 
-    lv_disp_draw_buf_init(&draw_buf_dsc_1, buf_1, NULL, MY_DISP_HOR_RES * MY_DISP_HOR_RES / 2);   /*Initialize the display buffer*/
     /*-----------------------------------
      * Register the display in LVGL
      *----------------------------------*/
 
+#if (PKG_LVGL_VER_NUM >= 0x0803FF)
+
+    lv_display_t *display = lv_display_create(MY_DISP_HOR_RES, MY_DISP_VER_RES);
+    lv_display_set_buffers(display, buf_1, NULL, sizeof(buf_1), LV_DISPLAY_RENDER_MODE_PARTIAL);  /*Initialize the display buffer.*/
+    lv_display_set_flush_cb(display, disp_flush);
+
+#else
+
+    /* Example for 1) */
+    static lv_disp_draw_buf_t draw_buf_dsc_1;
+
+    lv_disp_draw_buf_init(&draw_buf_dsc_1, buf_1, NULL, MY_DISP_HOR_RES * MY_DISP_HOR_RES / 2);   /*Initialize the display buffer*/
+
+    /*-----------------------------------
+     * Register the display in LVGL
+     *----------------------------------*/
     static lv_disp_drv_t disp_drv;                         /*Descriptor of a display driver*/
     lv_disp_drv_init(&disp_drv);                    /*Basic initialization*/
 
-    /*Set up the functions to access to your display*/
-
     /*Set the resolution of the display*/
     disp_drv.hor_res = MY_DISP_HOR_RES;
     disp_drv.ver_res = MY_DISP_VER_RES;
@@ -114,16 +130,11 @@ void lv_port_disp_init(void)
     /*Set a display buffer*/
     disp_drv.draw_buf = &draw_buf_dsc_1;
 
-    /*Required for Example 3)*/
-    //disp_drv.full_refresh = 1;
-
-    /* Fill a memory array with a color if you have GPU.
-     * Note that, in lv_conf.h you can enable GPUs that has built-in support in LVGL.
-     * But if you have a different GPU you can use with this callback.*/
-    //disp_drv.gpu_fill_cb = gpu_fill;
-
     /*Finally register the driver*/
     lv_disp_drv_register(&disp_drv);
+
+#endif
+
 }
 
 /**********************
@@ -155,35 +166,16 @@ void disp_disable_update(void)
 /*Flush the content of the internal buffer the specific area on the display
  *You can use DMA or any hardware acceleration to do this operation in the background but
  *'lv_disp_flush_ready()' has to be called when finished.*/
-static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p)
+static void disp_flush(LV_DISP_TYPE * disp_drv, const lv_area_t * area, lv_COLOR_TYPE * color_p)
 {
     extern void lcd_fill_array(rt_uint16_t x_start, rt_uint16_t y_start, rt_uint16_t x_end, rt_uint16_t y_end, void *pcolor);
     lcd_fill_array(area->x1, area->y1, area->x2, area->y2, color_p);
-
     lv_disp_flush_ready(disp_drv);
 }
 
-/*OPTIONAL: GPU INTERFACE*/
-
-/*If your MCU has hardware accelerator (GPU) then you can use it to fill a memory with a color*/
-//static void gpu_fill(lv_disp_drv_t * disp_drv, lv_color_t * dest_buf, lv_coord_t dest_width,
-//                    const lv_area_t * fill_area, lv_color_t color)
-//{
-//    /*It's an example code which should be done by your GPU*/
-//    int32_t x, y;
-//    dest_buf += dest_width * fill_area->y1; /*Go to the first line*/
-//
-//    for(y = fill_area->y1; y <= fill_area->y2; y++) {
-//        for(x = fill_area->x1; x <= fill_area->x2; x++) {
-//            dest_buf[x] = color;
-//        }
-//        dest_buf+=dest_width;    /*Go to the next line*/
-//    }
-//}
-
 
 #else /*Enable this file at the top*/
 
 /*This dummy typedef exists purely to silence -Wpedantic.*/
 typedef int keep_pedantic_happy;
-#endif
+#endif