标题: STC89C51智能小车运行程序 [打印本页]

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作者: 饿饿额2    时间: 2018-6-7 16:47
标题: STC89C51智能小车运行程序

#include <reg52.h>

#define uchar unsigned char

#define uint unsigned int

sbit SET1=P2^4  ;

sbit SET2 =P2^5;

sbit SET3 =P2^6;

sbit SET4 =P2^7;

uchar code seg7code[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

void delay(uchar t) //延时程序1

{

    uchar j;

    while(t--)

    {for(j=50;j>0;j--);}

}

void display ()

{

    P2=P2|0XF0;

    P0=~seg7code[1];

    SET1=0;

    delay(10);

    P2=P2|0XF0;

    P0=~seg7code[2];

    SET2=0;

    delay(10);

    P2=P2|0XF0;

    P0=~seg7code[3];

    SET3=0;

    delay(10);

    P2=P2|0XF0;

P0=~seg7code[4];

    SET4=0;

    delay(10);

    P2=P2|0XF0;

}

void main()

{

    P1=0XFF;

    P2=0XFF;

    P3=0XFF;

    P0=0XFF;

     

    while(1)

    {

        display();

    }

}

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