给大家分享下单片机独立按键控制花样流水灯程序Proteus仿真 -

#include <REG52.H>
#define uint unsigned int
#define uchar unsigned char
sbit k1=P1^0;
uchar code table0[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//LED从低位往高位移
uchar code table1[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};//LED从高位往低位移
uchar code table2[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00};//LED从1个亮到8个都点亮(从低位往高位)
uchar code table3[]={0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x00};//LED从1个亮到8个都点亮(从高位往低位)
uchar i,tm;
uchar num=0;
void disp1();
void disp2();
void disp3();
void disp4();
void delay_ms(unsigned int tim); //延时函数
void t0isr() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
tm++;
if(tm>=10)
{
tm=0;
switch(num)
{
case 1: disp1();delay_ms(100);break;
case 2: disp2();delay_ms(100);break;
case 3: disp3();delay_ms(100);break;
case 4: disp4();delay_ms(100);num=0;break;
default:break;
}
}
}
void delay(uchar time)
{
uchar j,k;
for(j=time;j>0;j--)
for(k=125;k>0;k--);
}
void delay_ms(unsigned int tim) //延时函数
{
unsigned int i,j;
for(i=0;i<tim;i++);
for(j=0;j<120;j++);
}
void disp1() //状态1 LED顺时针转一圈
{
for(i=0;i<8;i++)
{
P2=table0[i];
delay(1000);
}
P2=0xff;
for(i=0;i<8;i++)
{
P0=table0[i];
delay(1000);
}
P0=0xff;
}
void disp2() //状态2 LED逆时针转一圈
{
for(i=0;i<8;i++)
{
P0=table1[i];
delay(1000);
}
P0=0xff;
for(i=0;i<8;i++)
{
P2=table1[i];
delay(1000);
}
P2=0xff;
}
void disp3() //状态3 LED自上而下逐渐点亮(一半点亮一半不亮)
{
delay(1000);
if(k1==1)
{
for(i=0;i<8;i++)
{
P0=table2[i];
P2=table2[i];
delay(1000);
}
}
}
void disp4() //状态4 LED自下而上逐渐点亮(直到全部点亮)
{
for(i=0;i<8;i++)
{
P0=table3[i];
P2=table3[i];
delay(1000);
}
P0=0xff; P2=0xff;
}
void main()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TR0=1;
ET0=1;
EA=1;
while(1)
{
if(k1==0)
{
delay_ms(500); //消抖
// while(!k1); //等待按键松开
if(k1==0)
{ num++;
while(!k1);
}
}
}
}

复制代码