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root / proj / libs / rtc / include / rtc.h @ 346

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#ifndef RTC_H_INCLUDED
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#define RTC_H_INCLUDED
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/**
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 * @defgroup    rtc rtc
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 * @brief RTC (Real-Time Clock) module.
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 *
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 * @{
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 */
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#include <stdint.h>
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/**
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 * @brief Subscribes RTC Interrupts
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 * @param interrupt_bit Bit of Interrupt Vector that will be set when RTC Interrupt is pending
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 * @param interrupt_id RTC Interrupt ID to specify the RTC Interrupt in other calls
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 * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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 * @see {_ERRORS_H_::errors}
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 */
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int (subscribe_rtc_interrupt)(uint8_t interrupt_bit, int *interrupt_id);
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/**
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 * @brief Read RTC register.
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 * @param   reg     Register to read from
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 * @param   data    Pointer to save read data
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 * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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 * @see {_ERRORS_H_::errors}
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 */
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int (rtc_read_register)(uint32_t reg, uint8_t *data);
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/**
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 * @brief Write RTC register.
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 * @param   reg     Register to write to
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 * @param   data    Data to write in register
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 * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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 * @see {_ERRORS_H_::errors}
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 */
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int (rtc_write_register)(uint32_t reg, uint8_t data);
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/**
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 * @brief Checks if there's an update in progress.
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 * @return  The value of the flag UIP, or ERROR_CODE if error occurs.
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 */
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int (rtc_check_update)(void);
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/**
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 * @brief Enables/Disables updates of time/date registers.
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 * @param   on  zero to disable, any other value to enable
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 * @return  ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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 */
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int (rtc_set_updates)(int on);
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/**
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 * @brief Reads time from RTC.
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 * @param   time  Pointer to array of 3 bytes to store the information about time (hours, minutes, seconds)
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 * @return  ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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 */
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int (rtc_read_time)(uint8_t *time);
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/**
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 * @brief Reads date from RTC.
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 * @param   date  Pointer to array of 4 bytes to store the information about date (year, month, day, weekday)
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 * @return  ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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 */
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int (rtc_read_date)(uint8_t *date);
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/**
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 * @}
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 */
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#endif /* end of include guard: RTC_H_INCLUDED */