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iot-bedroom-environment-con…/components/lvgl_st7789_use/include/lvgl_st7789_use.h
2026-03-31 21:52:29 +08:00

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// SPDX-License-Identifier: MIT
#pragma once
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
/* LCD size (ST7789 240x240) */
#define EXAMPLE_LCD_H_RES (160)
#define EXAMPLE_LCD_V_RES (80)
/* LCD SPI总线配置 */
#define EXAMPLE_LCD_SPI_NUM (SPI2_HOST) // 使用SPI2主机接口进行通信
/* LCD显示参数配置 */
#define EXAMPLE_LCD_PIXEL_CLK_HZ (20 * 1000 * 1000) // ST7789常用20MHz兼顾稳定性与刷新速度
/* LCD命令和参数配置 */
#define EXAMPLE_LCD_CMD_BITS (8) // 命令位数为8位用于发送LCD控制命令
#define EXAMPLE_LCD_PARAM_BITS (8) // 参数位数为8位用于发送命令参数
/* LCD颜色和缓冲区配置 */
#define EXAMPLE_LCD_BITS_PER_PIXEL (16) // 每个像素使用16位颜色(RGB565格式)
#define EXAMPLE_LCD_DRAW_BUFF_DOUBLE (1) // 启用双缓冲模式,提高显示流畅度
#define EXAMPLE_LCD_DRAW_BUFF_HEIGHT (50) // 绘图缓冲区高度为50行影响刷新性能
/* ST7789颜色配置出现偏色时优先调整这三项 */
#define EXAMPLE_LCD_COLOR_ORDER_BGR (1) // 0: RGB, 1: BGR
#define EXAMPLE_LCD_INVERT_COLOR (1) // 0: 正常色, 1: 反色
#define EXAMPLE_LCD_SWAP_BYTES (1) // 0: 不交换RGB565高低字节, 1: 交换
/* LCD背光配置 */
#define EXAMPLE_LCD_BL_ON_LEVEL (1) // 背光开启电平为高电平(1)
/* LCD方向/偏移配置 */
#define EXAMPLE_LCD_GAP_X (1) // LCD水平偏移1像素调整显示位置
#define EXAMPLE_LCD_GAP_Y (26) // LCD垂直偏移26像素调整显示位置ST7789常见偏移值
#define EXAMPLE_LCD_ROT_SWAP_XY (1)
#define EXAMPLE_LCD_ROT_MIRROR_X (1)
#define EXAMPLE_LCD_ROT_MIRROR_Y (0)
/* 调试项:上电后是否先显示三色测试图 */
#define EXAMPLE_LCD_ENABLE_COLOR_TEST (0)
/* LCD pins */
#define EXAMPLE_LCD_GPIO_SCLK (GPIO_NUM_2)
#define EXAMPLE_LCD_GPIO_MOSI (GPIO_NUM_3)
#define EXAMPLE_LCD_GPIO_RST (GPIO_NUM_9)
#define EXAMPLE_LCD_GPIO_DC (GPIO_NUM_8)
#define EXAMPLE_LCD_GPIO_CS (GPIO_NUM_7)
#define EXAMPLE_LCD_GPIO_BL (GPIO_NUM_6)
esp_err_t start_lvgl_demo(void);
esp_err_t lvgl_st7789_set_center_text(const char *text);
#ifdef __cplusplus
}
#endif