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rtc_ds1307.h
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rtc_ds1307.h
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/*ds1307 driver header file - Reza Ebrahimi v1.0*/
#ifndef RTC_DS1307_H
#define RTC_DS1307_H
enum options {SECOND, MINUTE, HOUR, DAY_OF_WEEK, DATE, MONTH, YEAR, CONTROL, RAM, TIME, SNAPSHOT, ALL};
enum square_wave {WAVE_OFF, WAVE_1, WAVE_2, WAVE_3, WAVE_4};
enum ds1307_registers {
DS1307_REGISTER_SECONDS,
DS1307_REGISTER_MINUTES,
DS1307_REGISTER_HOURS,
DS1307_REGISTER_DAY_OF_WEEK,
DS1307_REGISTER_DATE,
DS1307_REGISTER_MONTH,
DS1307_REGISTER_YEAR,
DS1307_REGISTER_CONTROL};
#define DS1307_I2C_ADDRESS 0X68
#define CLOCK_RUN 0X01
#define CLOCK_HALT 0X00
#define FORCE_RESET 0X00
#define NO_FORCE_RESET 0X01
#define DS1307_IS_RUNNING 0X01
#define DS1307_IS_STOPPED 0X00
#define OPERATION_DONE 0X01
#define OPERATION_FAILED 0X00
#define DS1307_NOT_INITIALIZED 0X00
#define DS1307_INITIALIZED 0X2C
#define OCCUPIED 0X01
#define NOT_OCCUPIED 0X00
#define DS1307_REGISTER_INIT_STATUS 0X08
#define DS1307_REGISTER_SNAP0_VACANCY 0X09
#define DS1307_RAM_START 0X08
#define DS1307_RAM_END 0X3F
#define DS1307_BIT_SETTING_CH 0X07
#define DS1307_BIT_SETTING_RS0 0X00
#define DS1307_BIT_SETTING_RS1 0X01
#define DS1307_BIT_SETTING_SQWE 0X04
#define DS1307_BIT_SETTING_OUT 0X07
#define DS1307_BIT_SETTING_AMPM 0X06
#define DS1307_TIMEKEEPER_REGISTERS_START 0X00
#define DS1307_TIMEKEEPER_REGISTERS_END 0X07
#define DS1307_REGISTER_SECONDS_DEFAULT 0X00
#define DS1307_REGISTER_MINUTES_DEFAULT 0X00
#define DS1307_REGISTER_HOURS_DEFAULT 0X00
#define DS1307_REGISTER_DAY_OF_WEEK_DEFAULT 0X01
#define DS1307_REGISTER_DATE_DEFAULT 0X01
#define DS1307_REGISTER_MONTH_DEFAULT 0X01
#define DS1307_REGISTER_YEAR_DEFAULT 0X00
#define DS1307_REGISTER_CONTROL_DEFAULT 0X00
#define DS1307_RAM_BLOCK_DEFAULT 0x00
#define DS1307_SNAP0_ADDRESS 0X39
uint8_t DS1307_run(uint8_t run_state);
uint8_t DS1307_run_state(void);
uint8_t DS1307_read(uint8_t registers, uint8_t *data_array);
void DS1307_reset(uint8_t input);
uint8_t DS1307_set(uint8_t registers, uint8_t *data_array);
uint8_t DS1307_init(uint8_t *data_array, uint8_t run_state, uint8_t reset_state);
uint8_t DS1307_init_status_report();
void DS1307_init_status_update();
uint8_t DS1307_square_wave(uint8_t input);
void DS1307_snapshot_save();
void DS1307_snapshot_clear();
void DS1307_I2C_init();
void time_i2c_write_single(uint8_t device_address, uint8_t register_address, uint8_t data_byte);
void time_i2c_write_multi(uint8_t device_address, uint8_t start_register_address, uint8_t *data_array, uint8_t data_length);
void time_i2c_read_single(uint8_t device_address, uint8_t register_address, uint8_t data_byte);
void time_i2c_read_multi(uint8_t device_address, uint8_t start_register_address, uint8_t *data_array, uint8_t data_length);
#endif