rt-thread-official/bsp/renesas/ra6m4-cpk/board/lvgl/lv_port_disp.c

61 lines
1.6 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-11-24 Rbb666 The first version
*/
#include <lvgl.h>
#include "hal_data.h"
#ifdef PKG_USING_ILI9341
#include "lcd_ili9341.h"
#endif
#define COLOR_BUFFER (LV_HOR_RES_MAX * LV_VER_RES_MAX / 4)
/*A static or global variable to store the buffers*/
static lv_disp_draw_buf_t disp_buf;
/*Descriptor of a display driver*/
static lv_disp_drv_t disp_drv;
/*Static or global buffer(s). The second buffer is optional*/
// 0x1FFE0000 0x20040000
static lv_color_t buf_1[COLOR_BUFFER];
static lv_color_t buf_2[COLOR_BUFFER];
static void disp_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
{
#ifdef PKG_USING_ILI9341
lcd_fill_array_spi(area->x1, area->y1, area->x2, area->y2, color_p);
#endif
lv_disp_flush_ready(disp_drv);
}
void lv_port_disp_init(void)
{
#ifdef PKG_USING_ILI9341
spi_lcd_init(20);
#endif
/*Initialize `disp_buf` with the buffer(s). With only one buffer use NULL instead buf_2 */
lv_disp_draw_buf_init(&disp_buf, buf_1, buf_2, COLOR_BUFFER);
lv_disp_drv_init(&disp_drv); /*Basic initialization*/
/*Set the resolution of the display*/
disp_drv.hor_res = LV_HOR_RES_MAX;
disp_drv.ver_res = LV_VER_RES_MAX;
/*Set a display buffer*/
disp_drv.draw_buf = &disp_buf;
/*Used to copy the buffer's content to the display*/
disp_drv.flush_cb = disp_flush;
/*Finally register the driver*/
lv_disp_drv_register(&disp_drv);
}