typedef enum{
		RTC_PARAMETER_SEC,
		RTC_PARAMETER_MIN,
		RTC_PARAMETER_HOUR,
		RTC_PARAMETER_DAY,
		RTC_PARAMETER_DATE,
		RTC_PARAMETER_MONTH,
		RTC_PARAMETER_YEAR,
		RTC_PARAMETERS_COUNT,
	}rtc_params;
	
	
	static struct{
		byte		sync_param;	
			
		byte		seconds;
		byte		minutes;
		byte		hours;
		day_of_week	day;
		byte		date;
		byte		month;
		byte		year;
	}rtc;
	
	static var_property rtc_vars[] = {
		/*	VARIABLE NAME		= LCD_TAG,		RAM_ADDR,			CONFIG_MASK */
		[RTC_PARAMETER_SEC]		= {	"",			&rtc.seconds,		0, 0, 0}, 
		[RTC_PARAMETER_MIN]		= {	"g.min",	&rtc.minutes,		0, 0, 0}, 
		[RTC_PARAMETER_HOUR]	= {"g.hour",	&rtc.hours,			0, 0, 0}, 
		[RTC_PARAMETER_DAY]		= {"g.day",		&rtc.day,			0, 0, 0},
		[RTC_PARAMETER_DATE]	= {"g.date",	&rtc.date,			0, 0, 0},
		[RTC_PARAMETER_MONTH]	= {"g.mnt",		&rtc.month,			0, 0, 0},
		[RTC_PARAMETER_YEAR]	= {"g.year",	&rtc.year,			0, 0, 0},
	};