#include "../inc/44b.h"
#include "../inc/rtc.h"


#define	RTC_RW_EN()	rRTCCON = 1					//|= 1
#define	RTC_RW_DS()	rRTCCON &= 0xfe

extern int MCLK;

void RtcSetDay(TIME_STRUC *time)
{
	RTC_RW_EN();				//RTC讀寫使能，選擇BCD時鐘、計數器，無復位，1/32768		
	rBCDYEAR = time->year;;		//年
    rBCDMON  = time->month;		//月
    rBCDDAY  = time->day;		//日	
	RTC_RW_DS();
}

void RtcSetWeek(TIME_STRUC *time)
{
	RTC_RW_EN();
	rBCDDATE = time->weekday;
	RTC_RW_DS();
}

void RtcSetTime(TIME_STRUC *time)
{
	RTC_RW_EN();				//RTC讀寫使能，選擇BCD時鐘、計數器，無復位，1/32768		
	rBCDHOUR = time->hour;		//小時
    rBCDMIN  = time->min;		//分
    rBCDSEC  = time->sec;		//秒
	RTC_RW_DS();
}


void RtcInit(TIME_STRUC *time)
{
    RTC_RW_EN();				//RTC讀寫使能，選擇BCD時鐘、計數器，無復位，1/32768
    rBCDYEAR = time->year;;		//年
    rBCDMON  = time->month;		//月
    rBCDDAY  = time->day;		//日
    rBCDDATE = time->weekday;	//星期
    rBCDHOUR = time->hour;		//小時
    rBCDMIN  = time->min;		//分
    rBCDSEC  = time->sec;		//秒
    
    rTICINT = 0x80+127;		//enable tick timer interrupt, set tick timer interrupt time = (127+1)/128 second	
    RTC_RW_DS();	
}

void RtcAlarm(TIME_STRUC *time)  
{
	rALMYEAR = time->year;		//年
	rALMMON  = time->month;		//月
	rALMDAY  = time->day;		//日
	rALMHOUR = time->hour;		//小時
	rALMMIN  = time->min;		//分
	rALMSEC  = time->sec; 		//秒

	rRTCALM = 0x7f;		//全局警報使能控制，年、月、日、星期、時分秒警報使能控制
}

void RtcGetTime(TIME_STRUC *time)
{
	unsigned char m;

	RTC_RW_EN();		//RTC讀寫使能
	time->year = 2000 + rBCDYEAR;
	time->weekday = rBCDDATE;

	m = rBCDMON;	
	time->month = m;//(m>>4)*10 + (m&0xf);	//BCD碼轉十進制

	m = rBCDDAY;	
	time->day = m;//(m>>4)*10 + (m&0xf);	//BCD碼轉十進制	

	m = rBCDHOUR;	
	time->hour = m;//(m>>4)*10 + (m&0xf);	//BCD碼轉十進制
	
	m = rBCDMIN;	
	time->min = m;//(m>>4)*10 + (m&0xf);	//BCD碼轉十進制

	m = rBCDSEC;			
	time->sec = m;//(m>>4)*10 + (m&0xf);	//BCD碼轉十進制
	
    RTC_RW_DS();		//RTC讀寫禁止(降低功率消耗)，選擇BCD時鐘、計數器，無復位，1/32768    

}

void InitSysTimer(unsigned char Freq)
{		
	rTCON   &= 0xf0ffffff;			//clear manual update bit, stop Timer 5 	
	rTCFG0  &= 0xff00ffff;			//定時器4/5的預分頻為16
	rTCFG0  |= (16-1)<<16;
	rTCFG1  &= 0xff0fffff;			//定時器5的MUX為1/8
	rTCFG1  |= 2<<20;	
	rTCNTB5  = MCLK/(Freq*16*8);	//定時器5的重裝值,在ENABLE之前設定	
	rTCON   |= 0x02000000;			//定時器5的MANUAL UPDATE BIT設為1
	rTCON   &= 0xf0ffffff;			//MANUAL UPDATE BIT清零
	rTCON   |= 0x05000000;			//定時器5 start, 設為INTERVAL模式
}