main.c

i2c总线的程序设计

/**************************************************************
**函数功能：主函数，调试24c04和pca9554的各个子函数、		 **
**创建人：xingyuegu											 **
**创建日期：2006-7-12										 **
**版本：1.0													 **
**************************************************************/
#include "i2c.h"
#include "at24c04.h"
#include "pca9554.h"
#include "common.h"
uchar dat[16];

void delay1(void);
//主函数
void main()
{
	uchar i, readdata[15];
	uchar *str1="hello!";

	
	write_byte(0x0,0x34);
	nop();
	readdata[0]=random_read(0x0);
	write_flash(str1,0x20,sizeof(str1));

	/*readflash(dat,0,16);
	Init_Flash(0);
	readflash(dat,0,16);				 
	for(i=0;i<15;i++)
	{
		
	readdata[i]=readflash_byte();
	}
	
	for(i=0;i<16;i++)
	{
		dat[i]=i;
	}
	writeflash(dat,0,16);
	
	readflash(dat,0,16); */
	writeconfig(0x00);
	writeoutput(0x00);
	writeoutput(0xff);
	readdata[0]=readregister();
	
	writeoutput(0x00);
	delay1();
	writeoutput(0xff);

	while(1);
}
void delay1(void)
{
	uint i;
	for(i=0;i<400;i++)
	{
	}
}