If the login is unsuccessful, it should rollback operations performed in its login method (the first phase), resetting state, and discarding any credentials acquired for the login principal.
Aiming at the possible fatal accident caused by uncertain IO states when valve control MCU is initializing or accidentally resetting, the method of power up timing design is presented.
针对阀控模块中，MCU初始化或意外复位是管脚状态不确定导致可能的灾难性事故给出上电时序化设计。
3
Note: This method is not regarded as the securest way of resetting the password.