rtc.h

RTC for MSP 430 with checksum control

/* RTC */

extern const char month_lengths[13];
// variable
extern unsigned char buffer_seconds; // Gestion du real time. thread type 

struct  rtc_s
{
  unsigned char year;
  unsigned char month;
  unsigned char day;
  unsigned char weekday;
  unsigned char hour;
  unsigned char minute;
  unsigned char second;
  
  unsigned char sumcheck;
};
extern struct rtc_s rtc;

// fonction
extern int bump_rtc(void);
extern void set_rtc_sumcheck(void);
extern unsigned int week_day(unsigned char day,unsigned char month,unsigned char year);

// d閒inition
#define	RTC_INCONSISTENT 0
#define RTC_CHANGED_SECOND 1
#define RTC_CHANGED_MINUTE 2
#define RTC_CHANGED_HOUR 3
#define RTC_CHANGED_DAY 4
#define RTC_CHANGED_MONTH 5
#define RTC_CHANGED_YEAR 6