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fix(porting): add buffer alignment attribute

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This commit is contained in:
Gabriel Wang
2024-08-26 20:14:33 +01:00
committed by Gabor Kiss-Vamosi
parent d39fc17595
commit d01c6a4892
1 changed files with 6 additions and 0 deletions
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6
examples/porting/lv_port_disp_template.c
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@@ -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);