数码管动态显示

ID:318026 · 发表于 2018-4-27 19:31

#include<reg52.h>
#include<intrins.h>
sbit s7=P3^0;
sbit s6=P3^1;
sbit s5=P3^2;
sbit s4=P3^3;
int b[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x84,0x8f};//0-f
int a[]={0x7E,0xBE,0xDE,0xEE,0x7D,0xBd,0xDD,0xED,0x7B,0xBB};//
int num;
void Delay30ms() //@11.0592MHz
{
unsigned char i, j, k;

_nop_();
_nop_();
i = 2;
j = 67;
k = 183;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
void display(int num){
         P0=0x01;//Y6??
            P2=0xC0;
            P2=0x00;

            P0=b[num];//y7,??  1
      P2=0xE0;
            P2=0x00;
}

void main(){
int i;
P0=0x00;
   P2=0xA0;
   P2=0x00;

   while(1){
    Delay30ms();
   for(i=0;i<16;i++){
      display(i);
Delay30ms();

}


   }
}

ID:332416 · 发表于 2018-5-17 22:50

数码管动态显示1和2
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit wela=P2^7;
sbit dula=P2^6;
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void main()
{
while(1)
{
dula=1;
P0=0x06;
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delay(5);

dula=1;
P0=0x5b;
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delay(5);
}
}

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