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docs: update the drivers description (#6423)

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This commit is contained in:
Christian Eggers
2024-07-15 18:41:09 +02:00
committed by GitHub
parent 759d8aef87
commit 0952087285
9 changed files with 50 additions and 21 deletions
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12
examples/porting/lv_port_disp_template.c
View File

@@ -25,6 +25,8 @@
#define MY_DISP_VER_RES 240
#endif
#define BYTE_PER_PIXEL (LV_COLOR_FORMAT_GET_SIZE(LV_COLOR_FORMAT_RGB565)) /*will be 2 for RGB565 */
/**********************
* TYPEDEFS
**********************/
@@ -63,21 +65,21 @@ void lv_port_disp_init(void)
/* Example 1
* One buffer for partial rendering*/
static lv_color_t buf_1_1[MY_DISP_HOR_RES * 10]; /*A buffer for 10 rows*/
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.*/
static lv_color_t buf_2_1[MY_DISP_HOR_RES * 10];
static lv_color_t buf_2_2[MY_DISP_HOR_RES * 10];
static uint8_t buf_2_1[MY_DISP_HOR_RES * 10 * BYTE_PER_PIXEL];
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*/
static lv_color_t buf_3_1[MY_DISP_HOR_RES * MY_DISP_VER_RES];
static lv_color_t buf_3_2[MY_DISP_HOR_RES * MY_DISP_VER_RES];
static uint8_t buf_3_1[MY_DISP_HOR_RES * MY_DISP_VER_RES * BYTE_PER_PIXEL];
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);
}

4
examples/porting/lv_port_lcd_stm32_template.c
View File

@@ -71,8 +71,8 @@ void lv_port_display_init(void)
lv_display_set_rotation(lcd_disp, LV_DISPLAY_ROTATION_270); /* set landscape orientation */
/* Example: two dynamically allocated buffers for partial rendering */
lv_color_t * buf1 = NULL;
lv_color_t * buf2 = NULL;
uint8_t * buf1 = NULL;
uint8_t * buf2 = NULL;
uint32_t buf_size = MY_DISP_HOR_RES * MY_DISP_VER_RES / 10 * lv_color_format_get_size(lv_display_get_color_format(
lcd_disp));