虛擬終端連接：
單片機(jī)+虛擬終端（作為串口輸入設(shè)備）+串口

連接圖如下：



設(shè)置如下：




單片機(jī)虛擬終端選項(xiàng)作用如下：


如果輸入的是ASCII碼，那么就不要勾選 Hex Display Mode
如果輸入的是16進(jìn)制，那么就不要勾選 Hex Display Mode

Clear Screen 是清屏
Echo Typed Characters 是你在虛擬終端窗口輸入字符時，輸入的字符顯示在虛擬終端窗口上。



具體C程序如下（如有疑問聯(lián)系本人，新浪微博地址：
#include
#include
#define uint unsigned int
#define uchar unsigned char
unsigned char a,flag;
char code YD[]={


0x01,0x00,0x01,0x00,0x7F,0xFC,0x03,0x80,
0x05,0x40,0x09,0x30,0x31,0x0E,0xDF,0xE4,
0x00,0x80,0x01,0x00,0x7F,0xFE,0x01,0x00,
0x01,0x00,0x01,0x00,0x05,0x00,0x02,0x00,


0x20,0x40,0x30,0x40,0x24,0x4C,0x42,0x70,
0xFF,0x44,0x42,0x46,0x00,0x7C,0x7E,0x00,
0x42,0x40,0x7E,0x4C,0x42,0x70,0x7E,0x40,
0x42,0x44,0x42,0x46,0x4A,0x3C,0x44,0x00,


0x00,0x00,0x0F,0xF0,0x08,0x10,0x0F,0xF0,
0x08,0x10,0x0F,0xF0,0x00,0x00,0xFF,0xFE,
0x01,0x00,0x09,0x00,0x09,0xF8,0x09,0x00,
0x15,0x00,0x23,0x00,0x40,0xFE,0x00,0x00,


0x01,0x00,0x01,0x00,0x02,0x80,0x02,0x40,
0x04,0x20,0x09,0x18,0x11,0x0E,0x61,0x04,
0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,
0x01,0x00,0x01,0x00,0x01,0x00,0x00,0x00,


0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,
0x01,0x00,0xFF,0xFE,0x01,0x00,0x02,0x80,
0x02,0x80,0x02,0x40,0x04,0x40,0x04,0x20,
0x08,0x10,0x10,0x18,0x20,0x0E,0x40,0x04,/


0x08,0x20,0x08,0x20,0x08,0x20,0x4B,0xFE,
0x4A,0x22,0x4A,0x22,0x4A,0x22,0x4A,0x22,
0x4A,0x22,0x4A,0x22,0x4A,0x22,0x12,0x2E,
0x12,0x24,0x20,0x20,0x40,0x20,0x80,0x20,


0x00,0x00,0x7F,0xFC,0x00,0x10,0x1F,0x90,
0x10,0x90,0x1F,0x90,0x10,0x90,0x00,0x04,
0xFF,0xFE,0x00,0x10,0x1F,0x90,0x10,0x90,
0x1F,0x90,0x10,0x90,0x00,0x50,0x00,0x20
};


void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}

void main()
{
int i;
TMOD=0x20;//設(shè)置定時器1為工作方式2
TH1=0xfd;
TH2=0xfd;//設(shè)置波特率為9600
TR1=1;//啟動定時器1
SM0=0;
SM1=1;//選擇串口工作方式1
REN=1;//允許接收數(shù)據(jù)
EA=1;//打開總中斷
ES=1;//打開串口中斷

while(1)
{
if(flag==1)
{
flag=0;
while(1)
{
if(a==0x31)//鍵盤碼十六進(jìn)制
{
for(i=0;i<16;i++)
{
P1=i;
P0=~YD[2*i];
P2=~YD[2*i+1];
delay(2);
}
}

if(a==0x32)
{
for(i=1;i<17;i++)
{
P1=i;
P0=~YD[32+2*i];
P2=~YD[32+2*i+1];
delay(2);

}
}

if(a==0x33)
{
for(i=1;i<17;i++)
{
P1=i;
P0=~YD[64+2*i];
P2=~YD[64+2*i+1];
delay(2);
}
}

if(a==0x34)
{
for(i=1;i<17;i++)
{
P1=i;
P0=~YD[96+2*i];
P2=~YD[96+2*i+1];
delay(2);
}
}

if(a==0x35)
{
for(i=1;i<17;i++)
{
P1=i;
P0=~YD[128+2*i];
P2=~YD[128+2*i+1];
delay(2);
}
}

if(a==0x36)
{
for(i=1;i<17;i++)
{
P1=i;
P0=~YD[160+2*i];
P2=~YD[160+2*i+1];
delay(2);
}
}

if(a==0x37)
{
for(i=1;i<17;i++)
{
P1=i;
P0=~YD[192+2*i];
P2=~YD[192+2*i+1];
delay(2);
}
}

}//第二個while結(jié)尾
}//if結(jié)尾
}//第一個while結(jié)尾
}//主函數(shù)結(jié)尾

void ser() interrupt 4
{
RI=0;//接受中斷標(biāo)志位，清0為取消中斷申請
a=SBUF;//接收數(shù)據(jù)
flag=1;//中斷標(biāo)志位
}