本来以为模拟PS2协议相当的麻烦，今天下了一本PS2协议手册看了半天，原来读键盘值相当简单嘛，比模拟SPI、I2C简单多了呵呵。-Considerable agreement that the simulation would have trouble PS2, PS2 today an agreement under the manual looked a long time, the original value of reading the keyboard is quite simple