我用CCD摄像头和MC9S12XS256RMV1单片机，数码管构成系统，本程序可以分辨人眼的睁闭动作，并且在人眼闭上一定时间后能改变数码管显示-I used the CCD camera and MC9S12XS256RMV1 microcontroller of the digital control system, the program can distinguish between the human eye wide open and closing movements, and cl