实现系统整体功能，红外解码部分是核心，红外解码指将遥控发射器所产生的红外遥控编码脉冲所对应的键值翻译出来的过程-To achieve the overall system functions, decoding the infrared part of the core, the decoding means of the infrared remote control infrared transmitter pulses generated by the remote control cod