rtc.c

ucCos移植到广州友善nano2410

#include "..\inc\2410addr.h"
#include "..\inc\2410lib.h"

void Rtc_Set(char year, char mon, char date,char hour, char min, char sec)
{
	rRTCCON = 1;

    rBCDYEAR= (((year/10)<<4) + (year%10));
    rBCDMON=(((mon/10)<<4) + (mon%10) );
    rBCDDATE=(((date/10)<<4) + (date%10));

    rBCDHOUR=(((hour/10)<<4) + (hour%10));
    rBCDMIN=(((min/10)<<4) + (min%10));
    rBCDSEC=(((sec/10)<<4) + (sec%10));     	

    rRTCCON&=~1;
}

void  RTC_Display(void)
{
	int min,sec;
	int d_min,d_sec;
	int ret;
	
    Rtc_Set(07,10,22,10,00,01);
    Uart_Printf( "RTC TIME Display, press ESC key to exit !\n" ) ;
    
	while( Uart_GetKey() != '\n' )
	{
	rRTCCON = 0x01;  //RTC read and write enable

	//year = 0x2000+rBCDYEAR  ;	//斥
	//month = rBCDMON  ;	//崔
	//hour = rBCDHOUR  ;	//矫阿
	//day = rBCDDATE  ;		//夸老	
	min     = rBCDMIN;
	sec     = rBCDSEC;

	d_min	= (min & 0xf) + 10 * ((min >> 4) & 0x7) ;
	d_sec	= (sec & 0xf) + 10 * ((sec >> 4) & 0x7) ;

	rRTCCON &= ~1 ;		//RTC read and write disable
	Uart_Printf( "RTC time : %02x:%02x\n", min, sec );
	Delay( 900 ) ;
	
	}
	
	ret = d_min * 60 + d_sec;

	//return ret;
	
}