#include<reg52.h>
sbit a=P0^0;
sbit b=P0^1;
sbit c=P0^2;
sbit OE0=P0^3;
sbit OE1=P0^4;
sbit OE2=P0^5;
sbit KEY1=P3^2;
sbit KEY2=P3^3;
sbit KEY3=P3^4;
sbit KEY4=P3^5;
unsigned char code LedChar[7][8]={
{0xC3,0x81,0x00,0x00,0x00,0x81,0xFF,0xFF},
{0xFF,0x81,0x00,0x00,0x00,0x81,0xFF,0xFF},
{0xFF,0xFF,0x00,0x00,0x00,0xFF,0xFF,0xFF},
{0xFF,0xFF,0xFF,0x00,0xFF,0xFF,0xFF,0xFF}, //不按按键时
{0xEF,0xDF,0xBF,0x00,0xBF,0xDF,0xEF,0xFF}, //左转
{0xF7,0xFB,0xFD,0x00,0xFD,0xFB,0xF7,0xFF}, //右转
{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x66,0x99}, //W
};
unsigned char LedBuff[16]=
{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
void buan(); //不按按键函数
void ting(); //刹车时函数
void you(); //左转时函数
void zuo(); //右转时函数
void main()
{
TMOD=0x01;
TH0=0xFC;
TL0=0x67;
EA=1;
ET0=1;
TR0=1;
while(1)
{
if(KEY1==0)
{
zuo();
}
else if(KEY2==0)
{
you();
}
else
{
buan();
}
}
}
/*中断函数*/
void zhongduan() interrupt 1 //用于显示刷新
{
static unsigned char i=0;
TH0=0xFC;
TL0=0x67;
P1=0xFF;
switch(i)
{
case 0:a=0;b=0;c=0;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[0];break;
case 1:a=0;b=0;c=1;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[1];break;
case 2:a=0;b=1;c=0;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[2];break;
case 3:a=0;b=1;c=1;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[3];break;
case 4:a=1;b=0;c=0;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[4];break;
case 5:a=1;b=0;c=1;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[5];break;
case 6:a=1;b=1;c=0;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[6];break;
case 7:a=1;b=1;c=1;OE0=0;OE1=1;OE2=1;i++;P1=LedBuff[7];break;
case 8:a=0;b=0;c=0;OE0=1;OE1=0;OE2=1;i++;P1=LedBuff[8];break;
case 9:a=0;b=0;c=1;OE0=1;OE1=0;OE2=1;i++;P1=LedBuff[9];break;
case 10:a=0;b=1;c=0;OE0=1;OE1=0;OE2=1;i++;P1=LedBuff[10];break;
case 11:a=0;b=1;c=1;OE0=1;OE1=0;OE2=1;i++;P1=LedBuff[11];break;
case 12:a=1;b=0;c=0;OE0=1;OE1=0;OE2=1;i++;P1=LedBuff[12];break;
case 13:a=1;b=0;c=1;OE0=1;OE1=0;OE2=1;i++;P1=LedBuff[13];break;
case 14:a=1;b=1;c=0;OE0=1;OE1=0;OE2=1;i++;P1=LedBuff[14];break;
case 15:a=1;b=1;c=1;OE0=1;OE1=0;OE2=1;i=0;P1=LedBuff[15];break;
default:break;
}
}
/*左转*/
void zuo()
{
LedBuff[0]=LedChar[4][0];
LedBuff[1]=LedChar[4][1];
LedBuff[2]=LedChar[4][2];
LedBuff[3]=LedChar[4][3];
LedBuff[4]=LedChar[4][4];
LedBuff[5]=LedChar[4][5];
LedBuff[6]=LedChar[4][6];
LedBuff[7]=LedChar[4][7];
LedBuff[8]=LedChar[6][0];
LedBuff[9]=LedChar[6][1];
LedBuff[10]=LedChar[6][2];
LedBuff[11]=LedChar[6][3];
LedBuff[12]=LedChar[6][4];
LedBuff[13]=LedChar[6][5];
LedBuff[14]=LedChar[6][6];
LedBuff[15]=LedChar[6][7];
}
/*右转*/
void you()
{
LedBuff[0]=LedChar[5][0];
LedBuff[1]=LedChar[5][1];
LedBuff[2]=LedChar[5][2];
LedBuff[3]=LedChar[5][3];
LedBuff[4]=LedChar[5][4];
LedBuff[5]=LedChar[5][5];
LedBuff[6]=LedChar[5][6];
LedBuff[7]=LedChar[5][7];
LedBuff[8]=LedChar[6][0];
LedBuff[9]=LedChar[6][1];
LedBuff[10]=LedChar[6][2];
LedBuff[11]=LedChar[6][3];
LedBuff[12]=LedChar[6][4];
LedBuff[13]=LedChar[6][5];
LedBuff[14]=LedChar[6][6];
LedBuff[15]=LedChar[6][7];
}
/*不按按键*/
void buan()
{
static unsigned char cnt=0;
static unsigned int jisu=0;
static unsigned char f=0;
LedBuff[0]=LedChar[cnt][0];
LedBuff[1]=LedChar[cnt][1];
LedBuff[2]=LedChar[cnt][2];
LedBuff[3]=LedChar[cnt][3];
LedBuff[4]=LedChar[cnt][4];
LedBuff[5]=LedChar[cnt][5];
LedBuff[6]=LedChar[cnt][6];
LedBuff[7]=LedChar[cnt][7];
LedBuff[8]=LedChar[6][0];
LedBuff[9]=LedChar[6][1];
LedBuff[10]=LedChar[6][2];
LedBuff[11]=LedChar[6][3];
LedBuff[12]=LedChar[6][4];
LedBuff[13]=LedChar[6][5];
LedBuff[14]=LedChar[6][6];
LedBuff[15]=LedChar[6][7];
for(f=0;f>50;f++);
jisu++;
if(jisu>=400)
{
jisu=0;
cnt++;
if(cnt>=4)
{
cnt=0;
}
}
}
芯片用的是74hc138
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