/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-12-06     Administrator       the first version
 */
#ifndef DRIVERS_INCLUDE_LCD_H_
#define DRIVERS_INCLUDE_LCD_H_

#include "ltdc.h"

/* 颜色定义（RGB565） */
#define WHITE       0xFFFF
#define BLACK       0x0000
#define RED         0xF800
#define GREEN       0x07E0
#define BLUE        0x001F
#define YELLOW      0xFFE0
#define CYAN        0x07FF
#define MAGENTA     0xF81F

/* 注意：_lcd_dev 必须在 extern 之前定义！ */
typedef struct {
    uint16_t width;
    uint16_t height;
    uint16_t id;
    uint8_t dir;
} _lcd_dev;

extern uint32_t g_point_color;
extern uint32_t g_back_color;
extern _lcd_dev lcddev;

/* 函数声明 */
void lcd_init(void);
void lcd_clear(uint32_t color);
void lcd_draw_point(uint16_t x, uint16_t y, uint32_t color);
void lcd_fill(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint32_t color);
void lcd_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint32_t color);
void lcd_draw_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint32_t color);
void lcd_draw_circle(uint16_t x0, uint16_t y0, uint8_t r, uint32_t color);
void lcd_fill_circle(uint16_t x, uint16_t y, uint16_t r, uint32_t color);
void lcd_show_char(uint16_t x, uint16_t y, char chr, uint8_t size, uint8_t mode, uint32_t color);
void lcd_show_num(uint16_t x, uint16_t y, uint32_t num, uint8_t len, uint8_t size, uint32_t color);
void lcd_show_xnum(uint16_t x, uint16_t y, uint32_t num, uint8_t len, uint8_t size, uint8_t mode, uint32_t color);
void lcd_show_string(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint8_t size, char *p, uint32_t color);

/* 新增：声明 lcd_display_dir */
void lcd_display_dir(uint8_t dir);

void lcd_rgb_test();

#endif /* DRIVERS_INCLUDE_LCD_H_ */