zephyr/lib/gui/lvgl/lvgl_display_16bit.c

37 lines
969 B
C

/*
* Copyright (c) 2019 Jan Van Winkel <jan.van_winkel@dxplore.eu>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr.h>
#include <lvgl.h>
#include "lvgl_display.h"
void lvgl_flush_cb_16bit(struct _disp_drv_t *disp_drv,
const lv_area_t *area, lv_color_t *color_p)
{
const struct device *display_dev = (const struct device *)disp_drv->user_data;
uint16_t w = area->x2 - area->x1 + 1;
uint16_t h = area->y2 - area->y1 + 1;
struct display_buffer_descriptor desc;
desc.buf_size = w * 2U * h;
desc.width = w;
desc.pitch = w;
desc.height = h;
display_write(display_dev, area->x1, area->y1, &desc, (void *) color_p);
lv_disp_flush_ready(disp_drv);
}
#ifndef CONFIG_LVGL_COLOR_DEPTH_16
void lvgl_set_px_cb_16bit(struct _disp_drv_t *disp_drv,
uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
lv_color_t color, lv_opa_t opa)
{
uint16_t *buf_xy = (uint16_t *)(buf + x * 2U + y * 2U * buf_w);
*buf_xy = lv_color_to16(color);
}
#endif