20260610
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#ifndef LVGL_DEMO_H
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#define LVGL_DEMO_H
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief 初始化 LVGL + TFT 显示驱动,并启动 Demo UI
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*
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* 内部步骤:
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* 1. lv_init()
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* 2. 添加 SPI TFT 设备 (ST7789 / ST7735)
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* 3. 注册 LVGL flush 回调
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* 4. 创建 Demo UI 对象
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* 5. 启动周期性 LVGL 刷新 Task
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*/
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esp_err_t lvgl_demo_start(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* LVGL_DEMO_H */
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