S3C 2440 RTC 实时时钟 （miniarm 2440 ）

#ifndef RTC_H
#define RTC_H

#include "2440addr.h"

//实时时钟 数据 均为BCD编码
typedef struct tag_RtcTime
{
//year 默认从0x2000开始，如果要设置为2010年
// year 应赋值为0x10;
U16  year;
char month;
char day;
char week;
char hour;
char minite;
char second;
}RTC_TIME;
void RtcSetTime(RTC_TIME rt);
RTC_TIME RtcReadTime(void);
#endif

#include "rtc.h"

void RtcSetTime(RTC_TIME rt)
{
rRTCCON = 0x01; //使能写

rBCDYEAR = rt.year;
rBCDMON = rt.month;
rBCDDATE = rt.week;
rBCDDAY = rt.day;
rBCDHOUR = rt.hour;
rBCDSEC = rt.second;
rBCDMIN = rt.minite;

rRTCCON &=~0x01;
}
RTC_TIME RtcReadTime(void)
{
RTC_TIME rt;
//..............
return rt;
}

#include "uart.h"
#include "rtc.h"
void delay(U32 tt)
{
U32 i;
for(;tt>0;tt--)
{
for(i=0;i<10000;i++){}
}

}

int Main(void)
{
//char buffer[50]={0};
RTC_TIME rt;

rt.year=0x10;
rt.month=0x01;
rt.day=0x05;
rt.week=0x02;
rt.hour=0x22;
rt.second=0x00;
rt.minite=0x01;

RtcSetTime(rt);
UartInit(9600);
//rRTCCON = 0x01; //使能写
while(1)
{
UartSendStr("RTC Test/r/n");
//sprintf(buffer,"%04x-%02x-%02x-%02x-%02x-%02x/r/n",
//					rBCDYEAR+0x2000,rBCDMON,rBCDDAY,rBCDHOUR,rBCDMIN,rBCDSEC);
// UartSendStr(buffer);
//	UartPrintf("%x/r/n",255);
UartPrintf("%04x-%02x-%02x/r/n",rBCDYEAR+0x2000,rBCDMON,rBCDDAY);
delay(2000);
}
return 0;
}