/**************************************************************
 *文件名：PCF8563.c
 *描述:提供8563的底層驅動。
 *日期：2004/12/31
 *************************************************************/

#define   PCF8563_C
#include "PCF8563.h"

/*************************************************************
 *函數性質：公共
 *入口：無
 *出口：無
 *功能：啟動8563時鐘
 *************************************************************/
void StartClock(void)
{
	I2cStart();
	I2cSend(WRITE_ADDR);
	WaitAck();
	I2cSend(CTRL_STU1);
	WaitAck();
	I2cSend(START_CLOCK);
	WaitAck();
	I2cStop();	
}

/**************************************************************
 *函數性質：公共
 *入口：用于保存時鐘參數的結構指針Time_T
 *出口：無
 *功能：讀時鐘
 **************************************************************/
void ReadClock(TIME_T *Time_T)
{
	I2cStart();
	I2cSend(WRITE_ADDR);
	WaitAck();
	I2cSend(SEC_REG);
	WaitAck();
	I2cStart();
	
	I2cSend(READ_ADDR);
	WaitAck();
	Time_T->ucSec = (I2cReceive() & 0x7f);
	SendAck();	
	Time_T->ucMin = (I2cReceive() & 0x7f);
	SendAck();
	Time_T->ucHour = (I2cReceive() & 0x3f);
	SendAck();
	Time_T->ucDay = (I2cReceive() & 0x3f);
	SendAck();
	Time_T->ucWeek = (I2cReceive() & 0x07);
	SendAck();
	Time_T->ucMonth = (I2cReceive() & 0x1f);
	SendAck();
	Time_T->ucYear = I2cReceive();
	SendNotAck();
	I2cStop();
}


/*************************************************************
 *函數性質：公共
 *入口：用于寫入的時鐘參數結構指針Time_T
 *出口：無
 *功能：修改時鐘。
 **************************************************************/
void WriteClock(TIME_T *Time_T)
{
	I2cStart();
	I2cSend(WRITE_ADDR);
	WaitAck();
	I2cSend(SEC_REG);
	WaitAck();
	I2cSend(Time_T->ucSec);
	WaitAck();
	I2cSend(Time_T->ucMin);
	WaitAck();
	I2cSend(Time_T->ucHour);
	WaitAck();
	I2cSend(Time_T->ucDay);
	WaitAck();
	I2cSend(Time_T->ucWeek);
	WaitAck();
	I2cSend(Time_T->ucMonth);
	WaitAck();
	I2cSend(Time_T->ucYear);
	WaitAck();
	I2cStop();
}