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標題: STC89C51智能小車運行程序 [打印本頁]

作者: 餓餓額2 時間: 2018-6-7 16:47
標題: STC89C51智能小車運行程序

#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) //延時程序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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