在遇到未知I2C从设备地址，但需要访问时，用此程序可以进行暴力寻址，从0x00到0xff，有应答信号则可以判断此地址为有效地址。(When encountering unknown I2C from the device address, but needs to be accessed, the program can be used for addressing violence. From 0x00 to 0xff, if there is a reply signal, it can b