max31343_internal.h

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/*
 * SPDX-FileCopyrightText: 2026 Technische Universität Hamburg
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#define MAX31343_I2C_ADDR           (0x68U) 
 
/* Status/Config registers */
#define MAX31343_REG_STATUS         (0x00U) 
#define MAX31343_REG_INT_EN         (0x01U) 
#define MAX31343_REG_RTC_RESET      (0x02U) 
#define MAX31343_REG_RTC_CFG1       (0x03U) 
#define MAX31343_REG_RTC_CFG2       (0x04U) 
#define MAX31343_REG_TIMER_CFG      (0x05U) 
#define MAX31343_REG_TEMP_MSB       (0x1AU) 
#define MAX31343_REG_TEMP_LSB       (0x1BU) 
#define MAX31343_REG_TS_CONFIG      (0x1CU) 
 
#define MAX31343_REG_TIME0          (0x06U) 
#define MAX31343_TIME_LEN           (7U)    
 
#define MAX31343_RTC_CFG1_ENOSC     (1U << 1)   
 
#define MAX31343_RTC_CFG2_SQW_HZ_MASK   (0x07U) 
 
#define MAX31343_MONTH_CENTURY      (1U << 7)   
 
#define MAX31343_TS_AUTOMODE        (1U << 7)   
#define MAX31343_TS_TTSINT_MASK     (0x38U)     
#define MAX31343_TS_TTSINT_SHIFT    (3U)        
 
#define MAX31343_REG_ALM1_SEC       (0x0DU) 
#define MAX31343_REG_ALM1_MIN       (0x0EU) 
#define MAX31343_REG_ALM1_HRS       (0x0FU) 
#define MAX31343_REG_ALM1_DAY_DATE  (0x10U) 
#define MAX31343_REG_ALM1_MON       (0x11U) 
#define MAX31343_REG_ALM1_YEAR      (0x12U) 
#define MAX31343_ALM1_LEN           (6U)    
 
#define MAX31343_ALM_MASK_BIT       (1U << 7)   
#define MAX31343_ALM_DY_DT          (1U << 6)   
 
#define MAX31343_STATUS_A1F         (1U << 0)   
#define MAX31343_STATUS_A2F         (1U << 1)   
#define MAX31343_STATUS_OSF         (1U << 6)   
 
#define MAX31343_INTEN_A1IE         (1U << 0)   
#define MAX31343_INTEN_A2IE         (1U << 1)   
 
#define MAX31343_REG_TRICKLE        (0x19U)         
#define MAX31343_TRICKLE_TCHE_SHIFT (4U)            
#define MAX31343_TRICKLE_TCHE_MASK  (0xF0U)         
#define MAX31343_TRICKLE_TCHE_ENABLE (0x5U)         
#define MAX31343_TRICKLE_D_MASK     (0x0FU)         
#define MAX31343_TRICKLE_D_CHARGER_OFF (1U << 3)    
#define MAX31343_TRICKLE_D_DIODE    (1U << 2)       
#define MAX31343_TRICKLE_D_RES_MASK (0x03U)         
 
#ifdef __cplusplus
}
#endif