p8563.h

VFD荧光显示驱动程序

#include "I2C.H"    
/***bcd_data(0)***/
uchar bcd_data(uchar dat) //
{
	uchar i=dat; 
	if(dat > 9)i=dat-6;
	if(dat >25)i=i-6;
	if(dat >41)i=i-6;
	if(dat >57)i=i-6;
	if(dat >73)i=i-6;
	if(dat >89)i=i-6;
	if(dat >105)i=i-6;
	if(dat >121)i=i-6;	
	if(dat >137)i=i-6;
	if(dat >153)i=i-6;	 
	return	i;
}
/***data_bcd(0)***/
uchar data_bcd(uchar dat)
{
	uchar i=dat; 
	if(dat >9)i=dat+6;
	if(i >25)i=i+6;
	if(i >41)i=i+6;
	if(i >57)i=i+6;
	if(i >73)i=i+6;
	if(i >89)i=i+6;
	if(i >105)i=i+6;
	if(i >121)i=i+6;	
	if(i >137)i=i+6;
	if(i >153)i=i+6;		
	return	i;
}
///////////PCF8563 //////////////
uchar r_8563(uchar add)
{
    uchar dat;	
    start(); 
	wd(0XA2); ack();   
	wd(add);  ack();  
	start(); 	   	
	wd(0xA3); ack();
    dat=rd();			  
	delay(2);
	stop();
	return (dat);
}
///////////PCF8563//////////////
cmd_8563(uchar add,uchar dat)
{			   
    start(); 
	wd(0XA2);	ack();	  
	wd(add);    ack();
	wd(dat);    ack();  
	stop();    _nop_(); 
}

///////读取时间/////////
Get_Time(uchar *time1)
{
	bit ea;
	ea=EA;//EA=0;	
	time1[0]=bcd_data(r_8563(0x02)&0x7f);delay(100);//秒 
	time1[1]=bcd_data(r_8563(0x03)&0x7f);delay(100);	//分
	time1[2]=bcd_data(r_8563(0x04)&0x3f);delay(100);	//小时	  
	time1[3]=bcd_data(r_8563(0x05)&0x3f);delay(100);	//日    
	time1[4]= r_8563(0x06)&0x7;delay(100);	//星期	  
	time1[5]=bcd_data(r_8563(0x07)&0x1f);delay(100);	//月    
	time1[6]=bcd_data(r_8563(0x08)&0x7f);delay(100);		 //年  
	EA=ea; 
}
//////设置时间////////
Set_Time(uchar *ti1)
{
	bit ea;
	ea=EA;//EA=0;
	cmd_8563(0,0);delay(100);	//非测试状态，时间开始运行。
	cmd_8563(1,0);delay(100); //
	cmd_8563(0x0d,0x80);delay(100);//时钟输出1024HZ
	cmd_8563(0x02,data_bcd(ti1[0]));delay(100);//sec
	cmd_8563(0x03,data_bcd(ti1[1]));delay(100);//min
	cmd_8563(0x04,data_bcd(ti1[2]));delay(100);//hour
	cmd_8563(0x05,data_bcd(ti1[3]));delay(100); //日
	cmd_8563(0x06,data_bcd(ti1[4]));delay(100);//星期
	cmd_8563(0x07,data_bcd(ti1[5]));delay(100);////月
	cmd_8563(0x08,data_bcd(ti1[6]));delay(100); //年
	EA=ea;
}