switch(q) //判断按键键码值
{
case 0x16:m=0;break; //串口发送0
case 0x03:m=1;break; //串口发送01
case 0x18:m=2;break; //串口发送02
case 0x55:m=3;break; //串口发送03
case 0x08:m=4;break; //串口发送04
case 0x13:m=5;break; //串口发送05
case 0x51:m=6;break; //串口发送06
case 0x42:m=7;break; //串口发送07
case 0x52:m=8;break; //串口发送08
case 0x41:m=9;break; //串口发送09