main.c

KEILC51下的PCF8754芯片的驱动程序,已经通过调试

//------------------------------
//Pcf8574的测试调用部分
//Name=	Main.c
//Date=10071010
//------------------------------

#include"public.h"
#include<REG52.H>
#include<string.h>
#include<INTRINS.H>
#include"PCF8574.h"
#include"delay_s.h"

volatile uchar add_of_part	=0;
volatile bit   is_pcf8574a	=0;
volatile uchar str[]		={0,0,0,0,0,0};
//.......................................
//主程序测试部分
//.......................................
void	main(void)
{
	P2 =0xff;
	delay_x1ms(10);
	add_of_part =0;
	str[0] =PCF8574X_read_io(is_pcf8574a, add_of_part);
	delay_x250ms(1);
	PCF8574X_write_io(is_pcf8574a, add_of_part, str[0]+1);

	JUDGE_PCF8574X_INT =1;
	while(1)
	{
		if(JUDGE_PCF8574X_INT ==0)
		{
			str[1] =PCF8574X_read_io(is_pcf8574a, add_of_part);
		}
	};
}


//End Of File