ds1307_internal.h

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/*
 * SPDX-FileCopyrightText: 2017 Freie Universität Berlin
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif

#define DS1307_REG_SEC              (0x00)  
#define DS1307_REG_MIN              (0x01)  
#define DS1307_REG_HOUR             (0x02)  
#define DS1307_REG_DOW              (0x03)  
#define DS1307_REG_DOM              (0x04)  
#define DS1307_REG_MON              (0x05)  
#define DS1307_REG_YEAR             (0x06)  
#define DS1307_REG_SQW_CTL          (0x07)  
#define DS1307_REG_RAM_FIRST        (0x08)  
#define DS1307_REG_RAM_LAST         (0x3F)  

#define DS1307_REG_SEC_CH           (0x80)  
#define DS1307_REG_SEC_MASK         (0x7f)  
#define DS1307_REG_MIN_MASK         (0x7f)  
#define DS1307_REG_HOUR_12H         (0x40)  
#define DS1307_REG_HOUR_PM          (0x20)  
#define DS1307_REG_HOUR_12H_MASK    (0x2f)  
#define DS1307_REG_HOUR_24H_MASK    (0x3f)  
#define DS1307_REG_DOW_MASK         (0x07)  
#define DS1307_REG_DOM_MASK         (0x3f)  
#define DS1307_REG_MON_MASK         (0x1f)  

#define DS1307_DOW_OFFSET           (1)     
#define DS1307_MON_OFFSET           (1)     
#define DS1307_YEAR_OFFSET          (-100)  
 
#ifdef __cplusplus
}
#endif