开机在LCD上显示一些信息之后，即进入等待红外触发，如过接收到正确的红外信号，则解码，并在LCD上显示键值和所代表的意义，以及按键次数等信息。同样我们也是用LED0来指示程序正在运行。 -Boot display some information on the LCD after that into the waiting infrared trigger, such as over the correct infrared signal is received, the decoding