pcf8563.c

At91sam7s64+ucosII+pid温度控制

#include "SAMtwi.h"
#include "pcf8563.h"


void PCFinit(void)
{
 unsigned char dat=0;



 TWIsend(PCF8563,0,&dat,1); // start
}

void PCFGetTime(unsigned char *dat)
{
 TWIread(PCF8563,2,dat,7);
}

void PCFSetTime(char *dat)
{
	 TWIsend(PCF8563,2,dat,7);
}