初始提交卡包 USB 工程

纳入固件源码、屏幕组件、nand_xfer 工具和文档。忽略本机构建产物、sdkconfig,以及含本机路径的依赖锁。

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
zhengxin
2026-10-13 21:54:50 +08:00
co-authored by Cursor
commit 851e347cf5
260 changed files with 269349 additions and 0 deletions
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#ifndef __SCREEN_BRIGHTNESS_H__
#define __SCREEN_BRIGHTNESS_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "config.h"
extern uint8_t g_current_brightness;
/** percent: 0~100,与滑动条/BLE 一致;0→PWM 下限、100→PWM 上限(见 screen_brightness.c) */
void set_system_brightness(int percent);
/** 有亮度脏标记时写 NVS(内部 50ms 防抖定时器);供退出设置页等场景也可直接调用 */
void commit_brightness_if_dirty(void);
#ifdef __cplusplus
}
#endif
#endif