dis.h

E2ROM的读写程序

//----------------------------------------------------------
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//E-Mail:[e-mail]  [e-mail] 
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//程序设计：豆豆
//适用型号：DG3000综合开发试验仪
//----------------------------------------------------------
//静态显示
//----------------------------------------------------------
#ifndef  _dis_
#define  _dis_
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
//显示与单片机接口
sbit	DIS_SDA=P2^6;
sbit	DIS_CLK=P2^7;


unsigned	char	data	display_bit;
unsigned	char	code	led[20]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0xbf,0xbf,0x89,0x7f};//7f="-" 

void	delay(unsigned int k)
	{	unsigned	int	i,j;
		for(i=0;i<k;i++)
		for(j=0;j<100;j++);
	}

void	send(unsigned char a)
{
	unsigned char i;
	for(i=0;i<8;i++)
		{
			if(_crol_(a,i)&0x80)
				DIS_SDA=1;
			else
				DIS_SDA=0;
			DIS_CLK=0;
			DIS_CLK=1;
			}
}

void	display(unsigned char display_buffer[8])
	{
		unsigned	char	i,k;
		display_bit=0xfe;
		for(i=0;i<8;i++)
		{
			k=led[display_buffer[i]];
			send(k);
			P0=display_bit;
			delay(0x01);
			P0=0xff;
			display_bit=_crol_(display_bit,1);
		}
			display_bit=0xfe;
	}
	
#endif