8只数码管闪烁显示

数码管闪烁显示
【源码目录】8只数码管闪烁显示├── Keil C
│   ├── 数码管闪烁显示
│   └── 数码管闪烁显示.hex
├── Last Loaded 数码管闪烁显示.DBK
├── code
│   ├── smg.LST
│   ├── smg.Opt
│   ├── smg.Uv2
│   ├── smg.c
│   ├── smg.plg
│   └── smg_Uv2.Bak
├── 重要说明.txt
├── 数码管闪烁显示.DSN
├── 数码管闪烁显示.PWI
└── 数码管闪烁显示.SDF

2 directories, 13 files

#include <reg52.h>#define uchar unsigned char
#define uint unsigned int

uchar code DSY_CODE[]=
{
 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90
};
uchar code DSY_IDX[]=
{
 0x01;0x02;0x04;0x08;0x10;0x20;0x40;0x80
}
void DelayMS(uint x)
{
uchar t;
while(x--)
{
for(t=120;t>0;t--);
}
}

void main()
{
 uchar k,m;
P0=0xff;
P2=0x00;
while(1)
{
for(k=0;k<30;k )
{
for(m=0;m<8;m )
{
P2=code DSY_IDX[k];
P0=DSY_CODE[m];
DelayMS(2);
}
}
P2=0x00;
DelayMS(1000);
}
}