51单片机 74HC595应用实例+Proteus仿真

51单片机 74HC595应用实例+Proteus仿真

  • Proteus仿真
    在这里插入图片描述

实例代码

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#include <reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char

sbit SH_CP = P2^0;
sbit DS    = P2^1;
sbit ST_CP = P2^2;
uchar temp;
uchar code DSY_CODE[]=
{
 	0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90	
};

void Delay(uint x)
{
 	uchar i;
	while(x--)
	{
	 	for(i=0;i<120;i++);
	}
}

void In\_595()
{
 	uchar i;
	for(i=0;i<8;i++)
	{
	 	temp <<= 1;
		DS   = CY;
		SH_CP = 1;
		\_nop\_();
		\_nop\_();
		SH_CP = 0;
	}
}

void Out\_595()
{
 	ST_CP = 0;
	\_nop\_();
	ST_CP = 1;
	\_nop\_();
	ST_CP = 0;
}

void main()
{
 	uchar i;
	while(1)
	{
	 	for(i=0;i<10;i++)
		{
		 	temp = DSY_CODE[i];
			In\_595();
			Out\_595();
			Delay(200);
		}
	}
}

实例代码和仿真资源

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链接：https://pan.baidu.com/s/1RQYGDR6tLvLRW9UFMEc3cA 
提取码：q8gk