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標(biāo)題: 新手上路單片機(jī)開發(fā)板動(dòng)態(tài)數(shù)碼管顯示程序 [打印本頁(yè)]

作者: 木一小哥 時(shí)間: 2016-4-2 11:56
標(biāo)題: 新手上路單片機(jī)開發(fā)板動(dòng)態(tài)數(shù)碼管顯示程序
#include<reg51.h>
#define DIG P0
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
unsigned char code DIG_CODE[]={  0x3f,0x06,0x5b,0x66,
   0x4f,0x6d,0x7d,0x07,
   0x7f,0x6f,0x77,0x7c,
   0x39,0x5e,0x79,0x71};
unsigned char DisplayData[8];
void DigDisplay();
void main(void)
{
unsigned char i;
for(i=0;i<8;i++)
{
DisplayData[i]=DIG_CODE[i];
}
while(1)
{
DigDisplay();
}
}
void DigDisplay(void)
{
unsigned char i;
unsigned int j;
for(i=0;i<8;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=0;LSB=0;LSC=1;break;
case(4):LSA=1;LSB=1;LSC=0;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;
}
DIG=DisplayData[i];
j=10;
while(j--);
DIG=0x00;
}
}

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