fix(porting): add buffer alignment attribute

towerh · Aug 26, 2024 · d01c6a4 · d01c6a4
1 parent d39fc17
commit d01c6a4
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/examples/porting/lv_port_disp_template.c b/examples/porting/lv_port_disp_template.c
@@ -65,20 +65,26 @@ void lv_port_disp_init(void)
 
     /* Example 1
      * One buffer for partial rendering*/
+    LV_ATTRIBUTE_MEM_ALIGN
     static uint8_t buf_1_1[MY_DISP_HOR_RES * 10 * BYTE_PER_PIXEL];            /*A buffer for 10 rows*/
     lv_display_set_buffers(disp, buf_1_1, NULL, sizeof(buf_1_1), LV_DISPLAY_RENDER_MODE_PARTIAL);
 
     /* Example 2
      * Two buffers for partial rendering
      * In flush_cb DMA or similar hardware should be used to update the display in the background.*/
+    LV_ATTRIBUTE_MEM_ALIGN
     static uint8_t buf_2_1[MY_DISP_HOR_RES * 10 * BYTE_PER_PIXEL];
+
+    LV_ATTRIBUTE_MEM_ALIGN
     static uint8_t buf_2_2[MY_DISP_HOR_RES * 10 * BYTE_PER_PIXEL];
     lv_display_set_buffers(disp, buf_2_1, buf_2_2, sizeof(buf_2_1), LV_DISPLAY_RENDER_MODE_PARTIAL);
 
     /* Example 3
      * Two buffers screen sized buffer for double buffering.
      * Both LV_DISPLAY_RENDER_MODE_DIRECT and LV_DISPLAY_RENDER_MODE_FULL works, see their comments*/
+    LV_ATTRIBUTE_MEM_ALIGN
     static uint8_t buf_3_1[MY_DISP_HOR_RES * MY_DISP_VER_RES * BYTE_PER_PIXEL];
+    LV_ATTRIBUTE_MEM_ALIGN
     static uint8_t buf_3_2[MY_DISP_HOR_RES * MY_DISP_VER_RES * BYTE_PER_PIXEL];
     lv_display_set_buffers(disp, buf_3_1, buf_3_2, sizeof(buf_3_1), LV_DISPLAY_RENDER_MODE_DIRECT);