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发表于 2018-6-23 21:00:57
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显示全部楼层
很简单啊!
#include <reg52.h>
#include <intrins.h>
typedef unsigned char u8;
typedef unsigned int u16;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
// u8 code smgduan[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,
//0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
u8 code smgduan[7]={0x6d,0x5b,0x3f,0x06,0x4f,0x06,0x66}
void delay(u16 i)
{
while(i--);
}
void DigDisplay()
{
u8 i;
for(i=0;i<7;i++)
{
switch(i)
{
case (0):
LSA=0;LSB=0;LSC=0;break;
case (1):
LSA=1;LSB=0;LSC=0;break;
case (2):
LSA=0;LSB=1;LSC=0;break;
case (3):
LSA=1;LSB=1;LSC=0;break;
case (4):
LSA=0;LSB=0;LSC=1;break;
case (5):
LSA=1;LSB=0;LSC=1;break;
case (6):
LSA=0;LSB=1;LSC=1;break;
case (7):
LSA=1;LSB=1;LSC=1;break;
}
P0=smgduan[i];
delay(100);
P0=0x00;
}
}
void main()
{
while(1)
{
DigDisplay();
}
}
搞定!哈哈哈 |
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