#include "reg51.h"
#include "intrins.h"
#define smguan P0
sbit relay=P1^4;
typedef unsigned char u8;
typedef unsigned int u16;
//u8 code smgduan[16]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0xf8,
//0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e}; //共阳
u8 code smgduan[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //共阴
void delay(u16 i)
{
while(i--);
}
void main()
{
u8 i;
smguan=~smgduan[0];
while(1)
{
for(i=0;i<0x10;i++)
{
smguan=~smgduan[i];
delay(50000);
}
}
}
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