rtc_ds1339.h

#ifndef _AVRIO_RTC_DS1339_H_
#define _AVRIO_RTC_DS1339_H_

#include <avrio/twi.h>

/* constants ================================================================ */
#define DS1339_BASE  0xD0 
// -------------------------------------
#define DS1339_CK_SEC  0x00
#define DS1339_CK_MIN  0x01
#define DS1339_CK_HOUR 0x02
#define DS1339_CK_WDAY 0x03
#define DS1339_CK_DATE 0x04
#define DS1339_CK_MON  0x05
#define DS1339_CK_YEAR 0x06

// -------------------------------------
#define DS1339_A1_SEC  0x07
#define DS1339_A1_MIN  0x08
#define DS1339_A1_HOUR 0x09
#define DS1339_A1_DAY  0x0A

// -------------------------------------
#define DS1339_A2_MIN  0x0B
#define DS1339_A2_HOUR 0x0C
#define DS1339_A2_DAY  0x0D

// -------------------------------------
// Time/Alarm registers bits
#define b12n24  6
#define bPMnAM  5
#define bDYnDT  6

// -------------------------------------
#define DS1339_CONTROL   0x0E
// Control register bits
#define bnEOSC  7
#define bBBSQI  5
#define bRS2    4
#define bRS1    3
#define bINTCN  2
#define bA2IE   1
#define bA1IE   0

// -------------------------------------
#define DS1339_STATUS    0x0F
// Status register bits
#define bOSF    7
#define bA2F    1
#define bA1F    0

// -------------------------------------
#define DS1339_TCHARG    0x10
// Trickle charger register bits
#define bTCS3   7
#define bTCS2   6
#define bTCS1   5
#define bTCS0   4
#define bDS1    3
#define bDS0    2
#define bROUT1  1
#define bROUT0  0


/* ========================================================================== */
#endif  /* _AVRIO_RTC_DS1339_H_ not defined */