tm_stm32f4_ds1307.h

#ifndef TM_DS1307_H
#define TM_DS1307_H 120

#include "stm32f4xx.h"
#include "tm_stm32f4_i2c.h"
#include "defines.h"

/* I2C settings for I2C library */
#ifndef DS1307_I2C
#define DS1307_I2C                  I2C1
#define DS1307_I2C_PINSPACK         TM_I2C_PinsPack_1
#endif

/* DS1307 I2C clock */
#ifndef DS1307_I2C_CLOCK
#define DS1307_I2C_CLOCK            100000
#endif

/* I2C slave address for DS1307 */
#define DS1307_I2C_ADDR             0xD0

/* Registers location */
#define DS1307_SECONDS              0x00
#define DS1307_MINUTES              0x01
#define DS1307_HOURS                0x02
#define DS1307_DAY                  0x03
#define DS1307_DATE                 0x04
#define DS1307_MONTH                0x05
#define DS1307_YEAR                 0x06
#define DS1307_CONTROL              0x07

/* Bits in control register */
#define DS1307_CONTROL_OUT          7
#define DS1307_CONTROL_SQWE         4
#define DS1307_CONTROL_RS1          1
#define DS1307_CONTROL_RS0          0

typedef enum {
    TM_DS1307_Result_Ok = 0x00,         
    TM_DS1307_Result_Error,             
    TM_DS1307_Result_DeviceNotConnected 
} TM_DS1307_Result_t;

typedef struct {
    uint8_t seconds; 
    uint8_t minutes; 
    uint8_t hours;   
    uint8_t day;     
    uint8_t date;    
    uint8_t month;   
    uint8_t year;    
} TM_DS1307_Time_t;

typedef enum {
    TM_DS1307_OutputFrequency_1Hz = 0x00, 
    TM_DS1307_OutputFrequency_4096Hz,     
    TM_DS1307_OutputFrequency_8192Hz,     
    TM_DS1307_OutputFrequency_32768Hz,    
    TM_DS1307_OutputFrequency_High,       
    TM_DS1307_OutputFrequency_Low         
} TM_DS1307_OutputFrequency_t;

TM_DS1307_Result_t TM_DS1307_Init(void);

uint8_t TM_DS1307_GetSeconds(void);

uint8_t TM_DS1307_GetMinutes(void);

uint8_t TM_DS1307_GetHours(void);

uint8_t TM_DS1307_GetDay(void);

uint8_t TM_DS1307_GetDate(void);

uint8_t TM_DS1307_GetMonth(void);

uint8_t TM_DS1307_GetYear(void);


void TM_DS1307_SetSeconds(uint8_t seconds);

void TM_DS1307_SetMinutes(uint8_t minutes);

void TM_DS1307_SetHours(uint8_t hours);

void TM_DS1307_SetDay(uint8_t day);

void TM_DS1307_SetDate(uint8_t date);

void TM_DS1307_SetMonth(uint8_t month);

void TM_DS1307_SetYear(uint8_t year);

void TM_DS1307_GetDateTime(TM_DS1307_Time_t* time);

void TM_DS1307_SetDateTime(TM_DS1307_Time_t* time);

void TM_DS1307_EnableOutputPin(TM_DS1307_OutputFrequency_t frequency);

void TM_DS1307_DisableOutputPin(void);


uint8_t TM_DS1307_Bcd2Bin(uint8_t bcd);

uint8_t TM_DS1307_Bin2Bcd(uint8_t bin);

uint8_t TM_DS1307_CheckMinMax(uint8_t val, uint8_t min, uint8_t max);

/* C++ detection */
#ifdef __cplusplus
}
#endif

#endif