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/*
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* rtc1308.h
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*
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* Created on: Nov 4, 2014
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* Author: Alan Aguilar Sologuren
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*/
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#ifndef RTC1308_H_
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#define RTC1308_H_
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#include <Arduino.h>
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#include <pins_arduino.h>
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#include <Wire.h>
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#include <Time.h>
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#include <te_structs.h>
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extern void ISR_gnss_pps(void);
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namespace te_rtc{
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#define DS1308_CTRL_ID 0x68
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#define DS1308_RAM_BASE 0x08 /*!< Direccion base de la memoria RAM */
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#define DS1308_RAM_MAX 0x37 /*!< Direccion del final de la RAM */
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#define DS1308_RAM_REGS (DS1308_RAM_MAX - DS1308_RAM_BASE + 1)
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#define DS1308_SEC_ADD 0x00 /*!< Direccion de registro de configuracion de segundos */
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#define DS1308_MIN_ADD 0x01 /*!< Direccion de registro de configuracion de minutos */
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#define DS1308_HOU_ADD 0x02 /*!< Direccion de registro de configuracion de horas */
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#define DS1308_DOW_ADD 0x03 /*!< Direccion de registro de configuracion de dia de la semana */
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#define DS1308_DAT_ADD 0x04 /*!< Direccion de registro de configuracion de dia del mes */
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#define DS1308_MON_ADD 0x05 /*!< Direccion de registro de configuracion de mes */
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#define DS1308_YEA_ADD 0x06 /*!< Direccion de registro de configuracion de ahno */
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#define DS1308_CTL_ADD 0x07 /*!< Direccion de registro de control */
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#define OUT 7 /*!< Bit 7 en DS1308_CTL_ADD */
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#define ECLK 6 /*!< Bit 6 en DS1308_CTL_ADD */
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#define OSF 5 /*!< Bit 5 en DS1308_CTL_ADD */
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#define SQWE 4 /*!< Bit 4 en DS1308_CTL_ADD */
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#define LOS 3 /*!< Bit 3 en DS1308_CTL_ADD */
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#define BBCLK 2 /*!< Bit 2 en DS1308_CTL_ADD */
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#define RS1 1 /*!< Bit 1 en DS1308_CTL_ADD */
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#define RS0 0 /*!< Bit 0 en DS1308_CTL_ADD */
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//pin ports
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#define CLKIN 38 /*!< internal PPS output PD7 AVR <> 38 ARDUINO MEGA */
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#define PPS 0 /*|< GNSS receptor PPS signal interrupt int0, port 2 (Arduino i/o), pe4 (avr i/o) */
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void initialization(void);
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void configure(rtc_config_struct &rtc);
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void set_time(tmElements_t &tm);
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void activate_pps(void);
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uint8_t read_ram(uint8_t regaddr, uint8_t *pbuf, uint8_t cnt);
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uint8_t write_ram(uint8_t regaddr, uint8_t val);
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uint8_t write_ram(uint8_t regaddr, const uint8_t *pbuf,uint8_t cnt);
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inline uint8_t dec2bcd(uint8_t val);
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}
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#endif /* RTC1308_H_ */
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